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git.odroid.com / yocto / linux / multimedia / gst-plugin-aml-v4l2dec / 6bccf82911582b6abe2983271e33e238dd111938 / . / src / gstamlv4l2object.c
blob: fe60aa05c9de1f9592b848fdeec6654d1b48bea7 [file] [log] [blame]
/* GStreamer
* Copyright (C) 2022 <xuesong.jiang@amlogic.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
* Boston, MA 02110-1335, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <sys/utsname.h>
#ifdef HAVE_GUDEV
#include <gudev/gudev.h>
#endif
#include "ext/videodev2.h"
#include "gstamlv4l2object.h"
#include "gst/gst-i18n-plugin.h"
#include <gst/video/video.h>
#include <gst/allocators/gstdmabuf.h>
GST_DEBUG_CATEGORY_EXTERN(aml_v4l2_debug);
#define GST_CAT_DEFAULT aml_v4l2_debug
#define DEFAULT_PROP_DEVICE_NAME NULL
#define DEFAULT_PROP_DEVICE_FD -1
#define DEFAULT_PROP_FLAGS 0
#define DEFAULT_PROP_TV_NORM 0
#define DEFAULT_PROP_IO_MODE GST_V4L2_IO_AUTO
#define ENCODED_BUFFER_SIZE (4 * 1024 * 1024)
#define LOW_MEM_ENCODED_BUFFER_SIZE (1 * 1024 * 1024)
#define V4L2_CONFIG_PARM_DECODE_CFGINFO (1 << 0)
#define V4L2_CONFIG_PARM_DECODE_PSINFO (1 << 1)
#define V4L2_CONFIG_PARM_DECODE_HDRINFO (1 << 2)
#define V4L2_CONFIG_PARM_DECODE_CNTINFO (1 << 3)
#define V4L2_CID_USER_AMLOGIC_BASE (V4L2_CID_USER_BASE + 0x1100)
#define AML_V4L2_SET_DRMMODE (V4L2_CID_USER_AMLOGIC_BASE + 0)
#define AML_V4L2_GET_FILMGRAIN_INFO (V4L2_CID_USER_AMLOGIC_BASE + 3)
#define AML_V4L2_DEC_PARMS_CONFIG (V4L2_CID_USER_AMLOGIC_BASE + 7)
#define AML_V4L2_SET_STREAM_MODE (V4L2_CID_USER_AMLOGIC_BASE + 9)
#define AML_V4L2_SET_I_FRAME (V4L2_CID_USER_AMLOGIC_BASE + 14)
enum
{
PROP_0,
V4L2_STD_OBJECT_PROPS,
};
/*
* common format / caps utilities:
*/
typedef enum
{
GST_V4L2_RAW = 1 << 0,
GST_V4L2_CODEC = 1 << 1,
GST_V4L2_TRANSPORT = 1 << 2,
GST_V4L2_NO_PARSE = 1 << 3,
GST_V4L2_ALL = 0xffff
} GstAmlV4L2FormatFlags;
typedef struct
{
guint32 format;
gboolean dimensions;
GstAmlV4L2FormatFlags flags;
} GstAmlV4L2FormatDesc;
static const GstAmlV4L2FormatDesc gst_aml_v4l2_formats[] = {
/* RGB formats */
{V4L2_PIX_FMT_RGB332, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_ARGB555, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_XRGB555, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_ARGB555X, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_XRGB555X, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_RGB565, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_RGB565X, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_BGR666, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_BGR24, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_RGB24, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_ABGR32, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_XBGR32, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_ARGB32, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_XRGB32, TRUE, GST_V4L2_RAW},
/* Deprecated Packed RGB Image Formats (alpha ambiguity) */
{V4L2_PIX_FMT_RGB444, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_RGB555, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_RGB555X, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_BGR32, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_RGB32, TRUE, GST_V4L2_RAW},
/* Grey formats */
{V4L2_PIX_FMT_GREY, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y4, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y6, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y10, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y12, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y16, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y16_BE, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y10BPACK, TRUE, GST_V4L2_RAW},
/* Palette formats */
{V4L2_PIX_FMT_PAL8, TRUE, GST_V4L2_RAW},
/* Chrominance formats */
{V4L2_PIX_FMT_UV8, TRUE, GST_V4L2_RAW},
/* Luminance+Chrominance formats */
{V4L2_PIX_FMT_YVU410, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YVU420, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YVU420M, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUYV, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YYUV, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YVYU, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_UYVY, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_VYUY, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV422P, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV411P, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_Y41P, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV444, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV555, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV565, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV32, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV410, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV420, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_YUV420M, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_HI240, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_HM12, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_M420, TRUE, GST_V4L2_RAW},
/* two planes -- one Y, one Cr + Cb interleaved */
{V4L2_PIX_FMT_NV12, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV12M, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV12MT, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV12MT_16X16, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV21, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV21M, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV16, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV16M, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV61, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV61M, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV24, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_NV42, TRUE, GST_V4L2_RAW},
/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
{V4L2_PIX_FMT_SBGGR8, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_SGBRG8, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_SGRBG8, TRUE, GST_V4L2_RAW},
{V4L2_PIX_FMT_SRGGB8, TRUE, GST_V4L2_RAW},
/* compressed formats */
{V4L2_PIX_FMT_MJPEG, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_DV, FALSE, GST_V4L2_TRANSPORT},
{V4L2_PIX_FMT_MPEG, FALSE, GST_V4L2_TRANSPORT},
{V4L2_PIX_FMT_FWHT, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_H264, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_H264_NO_SC, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_H264_MVC, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_HEVC, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_H263, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_MPEG1, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_MPEG2, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_MPEG4, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_XVID, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_VC1_ANNEX_G, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_VC1_ANNEX_L, FALSE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_VP8, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_VP9, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_AV1, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_AVS, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_AVS2, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
{V4L2_PIX_FMT_AVS3, FALSE, GST_V4L2_CODEC | GST_V4L2_NO_PARSE},
/* Vendor-specific formats */
{V4L2_PIX_FMT_WNVA, TRUE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_SN9C10X, TRUE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_PWC1, TRUE, GST_V4L2_CODEC},
{V4L2_PIX_FMT_PWC2, TRUE, GST_V4L2_CODEC},
};
#define GST_AML_V4L2_FORMAT_COUNT (G_N_ELEMENTS(gst_aml_v4l2_formats))
static GSList *gst_aml_v4l2_object_get_format_list(GstAmlV4l2Object *v4l2object);
static gboolean gst_aml_v4l2_set_control(GstAmlV4l2Object *v4l2object, guint ctl);
static gboolean get_amlogic_vdec_parm(GstAmlV4l2Object *v4l2object, struct v4l2_streamparm *streamparm);
static int gst_aml_config_dw(GstAmlV4l2Object *v4l2object, guint32 pixFormat, guint width, guint height, gboolean interlace);
#define GST_TYPE_AML_V4L2_DEVICE_FLAGS (gst_aml_v4l2_device_get_type())
static GType
gst_aml_v4l2_device_get_type(void)
{
static GType v4l2_device_type = 0;
if (v4l2_device_type == 0)
{
static const GFlagsValue values[] = {
{V4L2_CAP_VIDEO_CAPTURE, "Device supports video capture", "capture"},
{V4L2_CAP_VIDEO_OUTPUT, "Device supports video playback", "output"},
{V4L2_CAP_VIDEO_OVERLAY, "Device supports video overlay", "overlay"},
{V4L2_CAP_VBI_CAPTURE, "Device supports the VBI capture", "vbi-capture"},
{V4L2_CAP_VBI_OUTPUT, "Device supports the VBI output", "vbi-output"},
{V4L2_CAP_TUNER, "Device has a tuner or modulator", "tuner"},
{V4L2_CAP_AUDIO, "Device has audio inputs or outputs", "audio"},
{0, NULL, NULL}};
v4l2_device_type =
g_flags_register_static("GstAmlV4l2DeviceTypeFlags", values);
}
return v4l2_device_type;
}
GType gst_aml_v4l2_io_mode_get_type(void)
{
static GType v4l2_io_mode = 0;
if (!v4l2_io_mode)
{
static const GEnumValue io_modes[] = {
{GST_V4L2_IO_AUTO, "GST_V4L2_IO_AUTO", "auto"},
{GST_V4L2_IO_RW, "GST_V4L2_IO_RW", "rw"},
{GST_V4L2_IO_MMAP, "GST_V4L2_IO_MMAP", "mmap"},
{GST_V4L2_IO_USERPTR, "GST_V4L2_IO_USERPTR", "userptr"},
{GST_V4L2_IO_DMABUF, "GST_V4L2_IO_DMABUF", "dmabuf"},
{GST_V4L2_IO_DMABUF_IMPORT, "GST_V4L2_IO_DMABUF_IMPORT",
"dmabuf-import"},
{0, NULL, NULL}};
v4l2_io_mode = g_enum_register_static("GstAmlV4l2IOMode", io_modes);
}
return v4l2_io_mode;
}
void gst_aml_v4l2_object_install_properties_helper(GObjectClass *gobject_class,
const char *default_device)
{
g_object_class_install_property(gobject_class, PROP_DEVICE,
g_param_spec_string("device", "Device", "Device location",
default_device, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_DEVICE_NAME,
g_param_spec_string("device-name", "Device name",
"Name of the device", DEFAULT_PROP_DEVICE_NAME,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_DEVICE_FD,
g_param_spec_int("device-fd", "File descriptor",
"File descriptor of the device", -1, G_MAXINT, DEFAULT_PROP_DEVICE_FD,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_FLAGS,
g_param_spec_flags("flags", "Flags", "Device type flags",
GST_TYPE_AML_V4L2_DEVICE_FLAGS, DEFAULT_PROP_FLAGS,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
/**
* GstV4l2Src:brightness:
*
* Picture brightness, or more precisely, the black level
*/
g_object_class_install_property(gobject_class, PROP_BRIGHTNESS,
g_param_spec_int("brightness", "Brightness",
"Picture brightness, or more precisely, the black level", G_MININT,
G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
/**
* GstV4l2Src:contrast:
*
* Picture contrast or luma gain
*/
g_object_class_install_property(gobject_class, PROP_CONTRAST,
g_param_spec_int("contrast", "Contrast",
"Picture contrast or luma gain", G_MININT,
G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
/**
* GstV4l2Src:saturation:
*
* Picture color saturation or chroma gain
*/
g_object_class_install_property(gobject_class, PROP_SATURATION,
g_param_spec_int("saturation", "Saturation",
"Picture color saturation or chroma gain", G_MININT,
G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
/**
* GstV4l2Src:hue:
*
* Hue or color balance
*/
g_object_class_install_property(gobject_class, PROP_HUE,
g_param_spec_int("hue", "Hue",
"Hue or color balance", G_MININT,
G_MAXINT, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
/**
* GstV4l2Src:io-mode:
*
* IO Mode
*/
g_object_class_install_property(gobject_class, PROP_IO_MODE,
g_param_spec_enum("io-mode", "IO mode",
"I/O mode",
GST_TYPE_AML_V4L2_IO_MODE, DEFAULT_PROP_IO_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstV4l2Src:extra-controls:
*
* Additional v4l2 controls for the device. The controls are identified
* by the control name (lowercase with '_' for any non-alphanumeric
* characters).
*
* Since: 1.2
*/
g_object_class_install_property(gobject_class, PROP_EXTRA_CONTROLS,
g_param_spec_boxed("extra-controls", "Extra Controls",
"Extra v4l2 controls (CIDs) for the device",
GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstV4l2Src:pixel-aspect-ratio:
*
* The pixel aspect ratio of the device. This overwrites the pixel aspect
* ratio queried from the device.
*
* Since: 1.2
*/
g_object_class_install_property(gobject_class, PROP_PIXEL_ASPECT_RATIO,
g_param_spec_string("pixel-aspect-ratio", "Pixel Aspect Ratio",
"Overwrite the pixel aspect ratio of the device", "1/1",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstV4l2Src:force-aspect-ratio:
*
* When enabled, the pixel aspect ratio queried from the device or set
* with the pixel-aspect-ratio property will be enforced.
*
* Since: 1.2
*/
g_object_class_install_property(gobject_class, PROP_FORCE_ASPECT_RATIO,
g_param_spec_boolean("force-aspect-ratio", "Force aspect ratio",
"When enabled, the pixel aspect ratio will be enforced", TRUE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
void gst_aml_v4l2_object_install_m2m_properties_helper(GObjectClass *gobject_class)
{
g_object_class_install_property(gobject_class, PROP_DEVICE,
g_param_spec_string("device", "Device", "Device location",
NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_DEVICE_NAME,
g_param_spec_string("device-name", "Device name",
"Name of the device", DEFAULT_PROP_DEVICE_NAME,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_DEVICE_FD,
g_param_spec_int("device-fd", "File descriptor",
"File descriptor of the device", -1, G_MAXINT, DEFAULT_PROP_DEVICE_FD,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_OUTPUT_IO_MODE,
g_param_spec_enum("output-io-mode", "Output IO mode",
"Output side I/O mode (matches sink pad)",
GST_TYPE_AML_V4L2_IO_MODE, DEFAULT_PROP_IO_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_CAPTURE_IO_MODE,
g_param_spec_enum("capture-io-mode", "Capture IO mode",
"Capture I/O mode (matches src pad)",
GST_TYPE_AML_V4L2_IO_MODE, DEFAULT_PROP_IO_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_EXTRA_CONTROLS,
g_param_spec_boxed("extra-controls", "Extra Controls",
"Extra v4l2 controls (CIDs) for the device",
GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_DUMP_FRAME_LOCATION,
g_param_spec_string("dump-frame-location", "dump frame location",
"Location of the file to write decoder frames", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_STREAM_MODE,
g_param_spec_boolean("stream-mode", "Configure v4l2 stream mode",
"TRUE for stream mode, FALSE for frame mode",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_LOW_LATENCY_MODE,
g_param_spec_boolean("low-latency-mode", "set low latency mode",
"enable is TURE, disable is FALSE, default is disable",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CC_DATA,
g_param_spec_boolean ("enable-cc-data",
"enable get cc data",
"0: disable; 1: enable", FALSE, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_ENABLE_NR,
g_param_spec_boolean ("enable-nr",
"enable nr in di",
"0: disable; 1: enable", FALSE, G_PARAM_READWRITE));
g_object_class_install_property(gobject_class, PROP_DECODING_ERROR_FRAMES,
g_param_spec_int("decoding-error-frames", "decoding error frames",
"get number of decoding error frames",
0, G_MAXINT32, 0, G_PARAM_READABLE));
g_object_class_install_property(gobject_class, PROP_LOW_MEMORY_MODE,
g_param_spec_boolean("low-memory", "low memory mode",
"Reduce memory usage if possible,default is disable",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(gobject_class, PROP_I_FRAME_MODE,
g_param_spec_boolean("iframe-mode", "use I frame mode",
"use for speed play",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
/* Support for 32bit off_t, this wrapper is casting off_t to gint64 */
#ifdef HAVE_LIBV4L2
#if SIZEOF_OFF_T < 8
static gpointer
v4l2_mmap_wrapper(gpointer start, gsize length, gint prot, gint flags, gint fd,
off_t offset)
{
return v4l2_mmap(start, length, prot, flags, fd, (gint64)offset);
}
#define v4l2_mmap v4l2_mmap_wrapper
#endif /* SIZEOF_OFF_T < 8 */
#endif /* HAVE_LIBV4L2 */
GstAmlV4l2Object *
gst_aml_v4l2_object_new(GstElement *element,
GstObject *debug_object,
enum v4l2_buf_type type,
const char *default_device,
GstAmlV4l2GetInOutFunction get_in_out_func,
GstAmlV4l2SetInOutFunction set_in_out_func,
GstAmlV4l2UpdateFpsFunction update_fps_func)
{
GstAmlV4l2Object *v4l2object;
/*
* some default values
*/
v4l2object = g_new0(GstAmlV4l2Object, 1);
if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == type || V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE == type))
{
const char *default_mode = getenv("GST_DEFAULT_V4L2_BUF_MODE");
GST_DEBUG("amlmodbuf GST_AML_DEFAULT_V4L2_BUF_MODE:%s", default_mode);
//v4l2object->req_mode = GST_V4L2_IO_DMABUF_IMPORT;
if (default_mode)
{
if (strcmp(default_mode, "DMA_BUF_IMPORT") == 0)
v4l2object->req_mode = GST_V4L2_IO_DMABUF_IMPORT;
else if (strcmp(default_mode, "DMA_BUF") == 0)
v4l2object->req_mode = GST_V4L2_IO_DMABUF;
GST_DEBUG("amlmodbuf set default buf default_mode:%d", v4l2object->req_mode);
}
}
v4l2object->type = type;
v4l2object->formats = NULL;
v4l2object->element = element;
v4l2object->dbg_obj = debug_object;
v4l2object->get_in_out_func = get_in_out_func;
v4l2object->set_in_out_func = set_in_out_func;
v4l2object->update_fps_func = update_fps_func;
v4l2object->video_fd = -1;
v4l2object->active = FALSE;
v4l2object->videodev = g_strdup(default_device);
v4l2object->norms = NULL;
v4l2object->channels = NULL;
v4l2object->colors = NULL;
v4l2object->keep_aspect = TRUE;
v4l2object->stream_mode = FALSE;
v4l2object->secure_es = FALSE;
v4l2object->have_set_par = FALSE;
v4l2object->enable_cc_data = FALSE;
v4l2object->enable_nr = FALSE;
v4l2object->low_latency_mode = FALSE;
v4l2object->low_memory_mode = FALSE;
v4l2object->iframe_mode = FALSE;
v4l2object->n_v4l2_planes = 0;
v4l2object->no_initial_format = FALSE;
/* We now disable libv4l2 by default, but have an env to enable it. */
#ifdef HAVE_LIBV4L2
if (g_getenv("GST_V4L2_USE_LIBV4L2"))
{
v4l2object->fd_open = v4l2_fd_open;
v4l2object->close = v4l2_close;
v4l2object->dup = v4l2_dup;
v4l2object->ioctl = v4l2_ioctl;
v4l2object->read = v4l2_read;
v4l2object->mmap = v4l2_mmap;
v4l2object->munmap = v4l2_munmap;
}
else
#endif
{
v4l2object->fd_open = NULL;
v4l2object->close = close;
v4l2object->dup = dup;
v4l2object->ioctl = ioctl;
v4l2object->read = read;
v4l2object->mmap = mmap;
v4l2object->munmap = munmap;
}
v4l2object->poll = gst_poll_new(TRUE);
v4l2object->can_wait_event = FALSE;
v4l2object->can_poll_device = TRUE;
v4l2object->tvin_port = -1;
v4l2object->dumpframefile = NULL;
/* jxsdbg resolution switching */
v4l2object->old_other_pool = NULL;
v4l2object->old_old_other_pool = NULL;
v4l2object->outstanding_buf_num = 0;
v4l2object->num_error_frames = 0;
v4l2object->error_frame_pts = 0;
return v4l2object;
}
static gboolean gst_aml_v4l2_object_clear_format_list(GstAmlV4l2Object *v4l2object);
void gst_aml_v4l2_object_destroy(GstAmlV4l2Object *v4l2object)
{
g_return_if_fail(v4l2object != NULL);
g_free(v4l2object->videodev);
g_free(v4l2object->channel);
if (v4l2object->formats)
{
gst_aml_v4l2_object_clear_format_list(v4l2object);
}
if (v4l2object->probed_caps)
{
gst_caps_unref(v4l2object->probed_caps);
}
if (v4l2object->extra_controls)
{
gst_structure_free(v4l2object->extra_controls);
}
gst_poll_free(v4l2object->poll);
g_free(v4l2object->dumpframefile);
/* jxsdbg resolution switching */
if (v4l2object->old_other_pool)
{
gst_object_unref(v4l2object->old_other_pool);
v4l2object->old_other_pool = NULL;
}
if (v4l2object->old_old_other_pool)
{
gst_object_unref(v4l2object->old_old_other_pool);
v4l2object->old_old_other_pool = NULL;
}
v4l2object->outstanding_buf_num = 0;
g_free(v4l2object);
}
static gboolean
gst_aml_v4l2_object_clear_format_list(GstAmlV4l2Object *v4l2object)
{
g_slist_foreach(v4l2object->formats, (GFunc)g_free, NULL);
g_slist_free(v4l2object->formats);
v4l2object->formats = NULL;
return TRUE;
}
static gint
gst_aml_v4l2_object_prop_to_cid(guint prop_id)
{
gint cid = -1;
switch (prop_id)
{
case PROP_BRIGHTNESS:
cid = V4L2_CID_BRIGHTNESS;
break;
case PROP_CONTRAST:
cid = V4L2_CID_CONTRAST;
break;
case PROP_SATURATION:
cid = V4L2_CID_SATURATION;
break;
case PROP_HUE:
cid = V4L2_CID_HUE;
break;
default:
GST_WARNING("unmapped property id: %d", prop_id);
}
return cid;
}
gboolean
gst_aml_v4l2_object_set_property_helper(GstAmlV4l2Object *v4l2object,
guint prop_id, const GValue *value, GParamSpec *pspec)
{
switch (prop_id)
{
case PROP_DEVICE:
g_free(v4l2object->videodev);
v4l2object->videodev = g_value_dup_string(value);
break;
case PROP_BRIGHTNESS:
case PROP_CONTRAST:
case PROP_SATURATION:
case PROP_HUE:
{
gint cid = gst_aml_v4l2_object_prop_to_cid(prop_id);
if (cid != -1)
{
if (GST_AML_V4L2_IS_OPEN(v4l2object))
{
gst_aml_v4l2_set_attribute(v4l2object, cid, g_value_get_int(value));
}
}
return TRUE;
}
break;
case PROP_IO_MODE:
v4l2object->req_mode = g_value_get_enum(value);
break;
case PROP_CAPTURE_IO_MODE:
g_return_val_if_fail(!V4L2_TYPE_IS_OUTPUT(v4l2object->type), FALSE);
v4l2object->req_mode = g_value_get_enum(value);
break;
case PROP_OUTPUT_IO_MODE:
g_return_val_if_fail(V4L2_TYPE_IS_OUTPUT(v4l2object->type), FALSE);
v4l2object->req_mode = g_value_get_enum(value);
break;
case PROP_EXTRA_CONTROLS:
{
const GstStructure *s = gst_value_get_structure(value);
if (v4l2object->extra_controls)
gst_structure_free(v4l2object->extra_controls);
v4l2object->extra_controls = s ? gst_structure_copy(s) : NULL;
if (GST_AML_V4L2_IS_OPEN(v4l2object))
gst_aml_v4l2_set_controls(v4l2object, v4l2object->extra_controls);
break;
}
case PROP_PIXEL_ASPECT_RATIO:
if (v4l2object->par)
{
g_value_unset(v4l2object->par);
g_free(v4l2object->par);
}
v4l2object->par = g_new0(GValue, 1);
g_value_init(v4l2object->par, GST_TYPE_FRACTION);
if (!g_value_transform(value, v4l2object->par))
{
g_warning("Could not transform string to aspect ratio");
gst_value_set_fraction(v4l2object->par, 1, 1);
}
v4l2object->have_set_par = TRUE;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "set PAR to %d/%d",
gst_value_get_fraction_numerator(v4l2object->par),
gst_value_get_fraction_denominator(v4l2object->par));
break;
case PROP_FORCE_ASPECT_RATIO:
v4l2object->keep_aspect = g_value_get_boolean(value);
break;
case PROP_DUMP_FRAME_LOCATION:
g_free(v4l2object->dumpframefile);
v4l2object->dumpframefile = g_value_dup_string(value);
break;
case PROP_STREAM_MODE:
v4l2object->stream_mode = g_value_get_boolean(value);
break;
case PROP_LOW_LATENCY_MODE:
v4l2object->low_latency_mode = g_value_get_boolean(value);
GST_DEBUG_OBJECT(v4l2object, "set low latency: %d",v4l2object->low_latency_mode);
break;
case PROP_CC_DATA:
v4l2object->enable_cc_data = g_value_get_boolean(value);
GST_DEBUG_OBJECT(v4l2object, "enable cc data: %d",v4l2object->enable_cc_data);
break;
case PROP_ENABLE_NR:
v4l2object->enable_nr = g_value_get_boolean(value);
GST_DEBUG_OBJECT(v4l2object, "enable nr: %d",v4l2object->enable_nr);
break;
case PROP_LOW_MEMORY_MODE:
v4l2object->low_memory_mode = g_value_get_boolean(value);
GST_DEBUG_OBJECT(v4l2object, "set low mem: %d",v4l2object->low_latency_mode);
break;
case PROP_I_FRAME_MODE:
v4l2object->iframe_mode = g_value_get_boolean(value);
GST_DEBUG_OBJECT(v4l2object, "set I frame mode: %d",v4l2object->iframe_mode);
break;
default:
return FALSE;
break;
}
return TRUE;
}
gboolean
gst_aml_v4l2_object_get_property_helper(GstAmlV4l2Object *v4l2object,
guint prop_id, GValue *value, GParamSpec *pspec)
{
switch (prop_id)
{
case PROP_DEVICE:
g_value_set_string(value, v4l2object->videodev);
break;
case PROP_DEVICE_NAME:
{
const guchar *name = NULL;
if (GST_AML_V4L2_IS_OPEN(v4l2object))
name = v4l2object->vcap.card;
g_value_set_string(value, (gchar *)name);
break;
}
case PROP_DEVICE_FD:
{
if (GST_AML_V4L2_IS_OPEN(v4l2object))
g_value_set_int(value, v4l2object->video_fd);
else
g_value_set_int(value, DEFAULT_PROP_DEVICE_FD);
break;
}
case PROP_FLAGS:
{
guint flags = 0;
if (GST_AML_V4L2_IS_OPEN(v4l2object))
{
flags |= v4l2object->device_caps &
(V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_VIDEO_OUTPUT |
V4L2_CAP_VIDEO_OVERLAY |
V4L2_CAP_VBI_CAPTURE |
V4L2_CAP_VBI_OUTPUT | V4L2_CAP_TUNER | V4L2_CAP_AUDIO);
if (v4l2object->device_caps & V4L2_CAP_VIDEO_CAPTURE_MPLANE)
flags |= V4L2_CAP_VIDEO_CAPTURE;
if (v4l2object->device_caps & V4L2_CAP_VIDEO_OUTPUT_MPLANE)
flags |= V4L2_CAP_VIDEO_OUTPUT;
}
g_value_set_flags(value, flags);
break;
}
case PROP_BRIGHTNESS:
case PROP_CONTRAST:
case PROP_SATURATION:
case PROP_HUE:
{
gint cid = gst_aml_v4l2_object_prop_to_cid(prop_id);
if (cid != -1)
{
if (GST_AML_V4L2_IS_OPEN(v4l2object))
{
gint v;
if (gst_aml_v4l2_get_attribute(v4l2object, cid, &v))
{
g_value_set_int(value, v);
}
}
}
return TRUE;
}
break;
case PROP_IO_MODE:
g_value_set_enum(value, v4l2object->req_mode);
break;
case PROP_CAPTURE_IO_MODE:
g_return_val_if_fail(!V4L2_TYPE_IS_OUTPUT(v4l2object->type), FALSE);
g_value_set_enum(value, v4l2object->req_mode);
break;
case PROP_OUTPUT_IO_MODE:
g_return_val_if_fail(V4L2_TYPE_IS_OUTPUT(v4l2object->type), FALSE);
g_value_set_enum(value, v4l2object->req_mode);
break;
case PROP_EXTRA_CONTROLS:
gst_value_set_structure(value, v4l2object->extra_controls);
break;
case PROP_PIXEL_ASPECT_RATIO:
if (v4l2object->par)
g_value_transform(v4l2object->par, value);
break;
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean(value, v4l2object->keep_aspect);
break;
case PROP_DUMP_FRAME_LOCATION:
g_value_set_string(value, v4l2object->dumpframefile);
break;
case PROP_STREAM_MODE:
g_value_set_boolean(value, v4l2object->stream_mode);
break;
case PROP_CC_DATA:
g_value_set_boolean(value, v4l2object->enable_cc_data);
break;
case PROP_ENABLE_NR:
g_value_set_boolean(value, v4l2object->enable_nr);
break;
case PROP_LOW_LATENCY_MODE:
g_value_set_boolean(value, v4l2object->low_latency_mode);
break;
case PROP_DECODING_ERROR_FRAMES:
g_value_set_int(value, v4l2object->num_error_frames);
break;
case PROP_LOW_MEMORY_MODE:
g_value_set_boolean(value, v4l2object->low_memory_mode);
break;
case PROP_I_FRAME_MODE:
g_value_set_boolean(value, v4l2object->iframe_mode);
break;
default:
return FALSE;
break;
}
return TRUE;
}
static void
gst_aml_v4l2_get_driver_min_buffers(GstAmlV4l2Object *v4l2object)
{
struct v4l2_control control = {
0,
};
g_return_if_fail(GST_AML_V4L2_IS_OPEN(v4l2object));
if (V4L2_TYPE_IS_OUTPUT(v4l2object->type))
control.id = V4L2_CID_MIN_BUFFERS_FOR_OUTPUT;
else
control.id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE;
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_G_CTRL, &control) == 0)
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"driver requires a minimum of %d buffers", control.value);
v4l2object->min_buffers = control.value;
}
else
{
v4l2object->min_buffers = 0;
}
}
gboolean
gst_aml_v4l2_object_open(GstAmlV4l2Object *v4l2object)
{
if (!gst_aml_v4l2_open(v4l2object))
return FALSE;
return TRUE;
}
gboolean
gst_aml_v4l2_object_open_shared(GstAmlV4l2Object *v4l2object, GstAmlV4l2Object *other)
{
gboolean ret;
ret = gst_aml_v4l2_dup(v4l2object, other);
if (ret && !V4L2_TYPE_IS_OUTPUT(v4l2object->type))
{
gst_poll_fd_init(&v4l2object->pollfd);
v4l2object->pollfd.fd = v4l2object->video_fd;
gst_poll_add_fd(v4l2object->poll, &v4l2object->pollfd);
/* used for dequeue event */
gst_poll_fd_ctl_read(v4l2object->poll, &v4l2object->pollfd, TRUE);
gst_poll_fd_ctl_pri(v4l2object->poll, &v4l2object->pollfd, TRUE);
}
return ret;
}
gboolean
gst_aml_v4l2_object_close(GstAmlV4l2Object *v4l2object)
{
if (!gst_aml_v4l2_close(v4l2object))
return FALSE;
gst_caps_replace(&v4l2object->probed_caps, NULL);
/* reset our copy of the device caps */
v4l2object->device_caps = 0;
if (v4l2object->formats)
{
gst_aml_v4l2_object_clear_format_list(v4l2object);
}
if (v4l2object->par)
{
g_value_unset(v4l2object->par);
g_free(v4l2object->par);
v4l2object->par = NULL;
}
if (v4l2object->fps)
{
g_value_unset(v4l2object->fps);
g_free(v4l2object->fps);
v4l2object->fps = NULL;
}
if (v4l2object->channel)
{
g_free(v4l2object->channel);
v4l2object->channel = NULL;
}
return TRUE;
}
static struct v4l2_fmtdesc *
gst_aml_v4l2_object_get_format_from_fourcc(GstAmlV4l2Object *v4l2object,
guint32 fourcc)
{
struct v4l2_fmtdesc *fmt;
GSList *walk;
if (fourcc == 0)
return NULL;
walk = gst_aml_v4l2_object_get_format_list(v4l2object);
while (walk)
{
fmt = (struct v4l2_fmtdesc *)walk->data;
if (fmt->pixelformat == fourcc)
return fmt;
/* special case for jpeg */
if (fmt->pixelformat == V4L2_PIX_FMT_MJPEG ||
fmt->pixelformat == V4L2_PIX_FMT_JPEG ||
fmt->pixelformat == V4L2_PIX_FMT_PJPG)
{
if (fourcc == V4L2_PIX_FMT_JPEG || fourcc == V4L2_PIX_FMT_MJPEG ||
fourcc == V4L2_PIX_FMT_PJPG)
{
return fmt;
}
}
walk = g_slist_next(walk);
}
return NULL;
}
/* complete made up ranking, the values themselves are meaningless */
/* These ranks MUST be X such that X<<15 fits on a signed int - see
the comment at the end of gst_aml_v4l2_object_format_get_rank. */
#define YUV_BASE_RANK 1000
#define JPEG_BASE_RANK 500
#define DV_BASE_RANK 200
#define RGB_BASE_RANK 100
#define YUV_ODD_BASE_RANK 50
#define RGB_ODD_BASE_RANK 25
#define BAYER_BASE_RANK 15
#define S910_BASE_RANK 10
#define GREY_BASE_RANK 5
#define PWC_BASE_RANK 1
static gint
gst_aml_v4l2_object_format_get_rank(const struct v4l2_fmtdesc *fmt)
{
guint32 fourcc = fmt->pixelformat;
gboolean emulated = ((fmt->flags & V4L2_FMT_FLAG_EMULATED) != 0);
gint rank = 0;
switch (fourcc)
{
case V4L2_PIX_FMT_MJPEG:
case V4L2_PIX_FMT_PJPG:
rank = JPEG_BASE_RANK;
break;
case V4L2_PIX_FMT_JPEG:
rank = JPEG_BASE_RANK + 1;
break;
case V4L2_PIX_FMT_MPEG: /* MPEG */
rank = JPEG_BASE_RANK + 2;
break;
case V4L2_PIX_FMT_RGB332:
case V4L2_PIX_FMT_ARGB555:
case V4L2_PIX_FMT_XRGB555:
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_ARGB555X:
case V4L2_PIX_FMT_XRGB555X:
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_BGR666:
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB565X:
case V4L2_PIX_FMT_RGB444:
case V4L2_PIX_FMT_Y4:
case V4L2_PIX_FMT_Y6:
case V4L2_PIX_FMT_Y10:
case V4L2_PIX_FMT_Y12:
case V4L2_PIX_FMT_Y10BPACK:
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_YUV565:
case V4L2_PIX_FMT_YUV32:
case V4L2_PIX_FMT_NV12MT_16X16:
case V4L2_PIX_FMT_NV42:
case V4L2_PIX_FMT_H264_MVC:
rank = RGB_ODD_BASE_RANK;
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_BGR24:
rank = RGB_BASE_RANK - 1;
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_ABGR32:
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_XRGB32:
rank = RGB_BASE_RANK;
break;
case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
rank = GREY_BASE_RANK;
break;
case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
case V4L2_PIX_FMT_NV12M: /* Same as NV12 */
case V4L2_PIX_FMT_NV12MT: /* NV12 64x32 tile */
case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
case V4L2_PIX_FMT_NV21M: /* Same as NV21 */
case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
case V4L2_PIX_FMT_NV16: /* 16 Y/CbCr 4:2:2 */
case V4L2_PIX_FMT_NV16M: /* Same as NV16 */
case V4L2_PIX_FMT_NV61: /* 16 Y/CrCb 4:2:2 */
case V4L2_PIX_FMT_NV61M: /* Same as NV61 */
case V4L2_PIX_FMT_NV24: /* 24 Y/CrCb 4:4:4 */
rank = YUV_ODD_BASE_RANK;
break;
case V4L2_PIX_FMT_YVU410: /* YVU9, 9 bits per pixel */
rank = YUV_BASE_RANK + 3;
break;
case V4L2_PIX_FMT_YUV410: /* YUV9, 9 bits per pixel */
rank = YUV_BASE_RANK + 2;
break;
case V4L2_PIX_FMT_YUV420: /* I420, 12 bits per pixel */
case V4L2_PIX_FMT_YUV420M:
rank = YUV_BASE_RANK + 7;
break;
case V4L2_PIX_FMT_YUYV: /* YUY2, 16 bits per pixel */
rank = YUV_BASE_RANK + 10;
break;
case V4L2_PIX_FMT_YVU420: /* YV12, 12 bits per pixel */
rank = YUV_BASE_RANK + 6;
break;
case V4L2_PIX_FMT_UYVY: /* UYVY, 16 bits per pixel */
rank = YUV_BASE_RANK + 9;
break;
case V4L2_PIX_FMT_YUV444:
rank = YUV_BASE_RANK + 6;
break;
case V4L2_PIX_FMT_Y41P: /* Y41P, 12 bits per pixel */
rank = YUV_BASE_RANK + 5;
break;
case V4L2_PIX_FMT_YUV411P: /* Y41B, 12 bits per pixel */
rank = YUV_BASE_RANK + 4;
break;
case V4L2_PIX_FMT_YUV422P: /* Y42B, 16 bits per pixel */
rank = YUV_BASE_RANK + 8;
break;
case V4L2_PIX_FMT_DV:
rank = DV_BASE_RANK;
break;
case V4L2_PIX_FMT_WNVA: /* Winnov hw compres */
rank = 0;
break;
case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SRGGB8:
rank = BAYER_BASE_RANK;
break;
case V4L2_PIX_FMT_SN9C10X:
rank = S910_BASE_RANK;
break;
case V4L2_PIX_FMT_PWC1:
rank = PWC_BASE_RANK;
break;
case V4L2_PIX_FMT_PWC2:
rank = PWC_BASE_RANK;
break;
default:
rank = 0;
break;
}
/* All ranks are below 1<<15 so a shift by 15
* will a) make all non-emulated formats larger
* than emulated and b) will not overflow
*/
if (!emulated)
rank <<= 15;
return rank;
}
static gint
format_cmp_func(gconstpointer a, gconstpointer b)
{
const struct v4l2_fmtdesc *fa = a;
const struct v4l2_fmtdesc *fb = b;
if (fa->pixelformat == fb->pixelformat)
return 0;
return gst_aml_v4l2_object_format_get_rank(fb) -
gst_aml_v4l2_object_format_get_rank(fa);
}
/******************************************************
* gst_aml_v4l2_object_fill_format_list():
* create list of supported capture formats
* return value: TRUE on success, FALSE on error
******************************************************/
static gboolean
gst_aml_v4l2_object_fill_format_list(GstAmlV4l2Object *v4l2object,
enum v4l2_buf_type type)
{
gint n;
struct v4l2_fmtdesc *format;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "getting src format enumerations");
/* format enumeration */
for (n = 0;; n++)
{
format = g_new0(struct v4l2_fmtdesc, 1);
format->index = n;
format->type = type;
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_ENUM_FMT, format) < 0)
{
if (errno == EINVAL)
{
g_free(format);
break; /* end of enumeration */
}
else
{
goto failed;
}
}
GST_LOG_OBJECT(v4l2object->dbg_obj, "index: %u", format->index);
GST_LOG_OBJECT(v4l2object->dbg_obj, "type: %d", format->type);
GST_LOG_OBJECT(v4l2object->dbg_obj, "flags: %08x", format->flags);
GST_LOG_OBJECT(v4l2object->dbg_obj, "description: '%s'",
format->description);
GST_LOG_OBJECT(v4l2object->dbg_obj, "pixelformat: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS(format->pixelformat));
if (V4L2_PIX_FMT_YUV420M == format->pixelformat || V4L2_PIX_FMT_YUV420 == format->pixelformat)
{
GST_LOG_OBJECT(v4l2object->dbg_obj, "aml v4l2 driver didn't real support YU12 and YM12, ignore it");
continue;
}
/* sort formats according to our preference; we do this, because caps
* are probed in the order the formats are in the list, and the order of
* formats in the final probed caps matters for things like fixation */
v4l2object->formats = g_slist_insert_sorted(v4l2object->formats, format,
(GCompareFunc)format_cmp_func);
}
#ifndef GST_DISABLE_GST_DEBUG
{
GSList *l;
GST_INFO_OBJECT(v4l2object->dbg_obj, "got %d format(s):", n);
for (l = v4l2object->formats; l != NULL; l = l->next)
{
format = l->data;
GST_INFO_OBJECT(v4l2object->dbg_obj,
" %" GST_FOURCC_FORMAT "%s", GST_FOURCC_ARGS(format->pixelformat),
((format->flags & V4L2_FMT_FLAG_EMULATED)) ? " (emulated)" : "");
}
}
#endif
return TRUE;
/* ERRORS */
failed:
{
g_free(format);
if (v4l2object->element)
return FALSE;
GST_ELEMENT_ERROR(v4l2object->element, RESOURCE, SETTINGS,
(_("Failed to enumerate possible video formats device '%s' can work "
"with"),
v4l2object->videodev),
("Failed to get number %d in pixelformat enumeration for %s. (%d - %s)",
n, v4l2object->videodev, errno, g_strerror(errno)));
return FALSE;
}
}
/*
* Get the list of supported capture formats, a list of
* <code>struct v4l2_fmtdesc</code>.
*/
static GSList *
gst_aml_v4l2_object_get_format_list(GstAmlV4l2Object *v4l2object)
{
if (!v4l2object->formats)
{
/* check usual way */
gst_aml_v4l2_object_fill_format_list(v4l2object, v4l2object->type);
/* if our driver supports multi-planar
* and if formats are still empty then we can workaround driver bug
* by also looking up formats as if our device was not supporting
* multiplanar */
if (!v4l2object->formats)
{
switch (v4l2object->type)
{
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
gst_aml_v4l2_object_fill_format_list(v4l2object,
V4L2_BUF_TYPE_VIDEO_CAPTURE);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
gst_aml_v4l2_object_fill_format_list(v4l2object,
V4L2_BUF_TYPE_VIDEO_OUTPUT);
break;
default:
break;
}
}
}
return v4l2object->formats;
}
static GstVideoFormat
gst_aml_v4l2_object_v4l2fourcc_to_video_format(guint32 fourcc)
{
GstVideoFormat format;
switch (fourcc)
{
case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
format = GST_VIDEO_FORMAT_GRAY8;
break;
case V4L2_PIX_FMT_Y16:
format = GST_VIDEO_FORMAT_GRAY16_LE;
break;
case V4L2_PIX_FMT_Y16_BE:
format = GST_VIDEO_FORMAT_GRAY16_BE;
break;
case V4L2_PIX_FMT_XRGB555:
case V4L2_PIX_FMT_RGB555:
format = GST_VIDEO_FORMAT_RGB15;
break;
case V4L2_PIX_FMT_XRGB555X:
case V4L2_PIX_FMT_RGB555X:
format = GST_VIDEO_FORMAT_BGR15;
break;
case V4L2_PIX_FMT_RGB565:
format = GST_VIDEO_FORMAT_RGB16;
break;
case V4L2_PIX_FMT_RGB24:
format = GST_VIDEO_FORMAT_RGB;
break;
case V4L2_PIX_FMT_BGR24:
format = GST_VIDEO_FORMAT_BGR;
break;
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_RGB32:
format = GST_VIDEO_FORMAT_xRGB;
break;
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_BGR32:
format = GST_VIDEO_FORMAT_BGRx;
break;
case V4L2_PIX_FMT_ABGR32:
format = GST_VIDEO_FORMAT_BGRA;
break;
case V4L2_PIX_FMT_ARGB32:
format = GST_VIDEO_FORMAT_ARGB;
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
format = GST_VIDEO_FORMAT_NV12;
break;
case V4L2_PIX_FMT_NV12MT:
format = GST_VIDEO_FORMAT_NV12_64Z32;
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV21M:
format = GST_VIDEO_FORMAT_NV21;
break;
case V4L2_PIX_FMT_YVU410:
format = GST_VIDEO_FORMAT_YVU9;
break;
case V4L2_PIX_FMT_YUV410:
format = GST_VIDEO_FORMAT_YUV9;
break;
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YUV420M:
format = GST_VIDEO_FORMAT_I420;
break;
case V4L2_PIX_FMT_YUYV:
format = GST_VIDEO_FORMAT_YUY2;
break;
case V4L2_PIX_FMT_YVU420:
format = GST_VIDEO_FORMAT_YV12;
break;
case V4L2_PIX_FMT_UYVY:
format = GST_VIDEO_FORMAT_UYVY;
break;
case V4L2_PIX_FMT_YUV411P:
format = GST_VIDEO_FORMAT_Y41B;
break;
case V4L2_PIX_FMT_YUV422P:
format = GST_VIDEO_FORMAT_Y42B;
break;
case V4L2_PIX_FMT_YVYU:
format = GST_VIDEO_FORMAT_YVYU;
break;
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV16M:
format = GST_VIDEO_FORMAT_NV16;
break;
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV61M:
format = GST_VIDEO_FORMAT_NV61;
break;
case V4L2_PIX_FMT_NV24:
format = GST_VIDEO_FORMAT_NV24;
break;
default:
format = GST_VIDEO_FORMAT_UNKNOWN;
break;
}
return format;
}
static gboolean
gst_amL_v4l2_object_v4l2fourcc_is_rgb(guint32 fourcc)
{
gboolean ret = FALSE;
switch (fourcc)
{
case V4L2_PIX_FMT_XRGB555:
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555X:
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_BGR24:
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_ABGR32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SRGGB8:
ret = TRUE;
break;
default:
break;
}
return ret;
}
static GstStructure *
gst_aml_v4l2_object_v4l2fourcc_to_bare_struct(guint32 fourcc)
{
GstStructure *structure = NULL;
switch (fourcc)
{
case V4L2_PIX_FMT_MJPEG: /* Motion-JPEG */
structure = gst_structure_new_empty("video/mjpeg");
break;
case V4L2_PIX_FMT_MPEG1:
structure = gst_structure_new("video/mpeg",
"mpegversion", G_TYPE_INT, 1, NULL);
gst_structure_set(structure, "systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
GST_DEBUG("aml set mpeg1 systemstream to false");
break;
case V4L2_PIX_FMT_MPEG2:
structure = gst_structure_new("video/mpeg",
"mpegversion", G_TYPE_INT, 2, NULL);
gst_structure_set(structure, "systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
GST_DEBUG("aml set mpeg2 systemstream to false");
break;
case V4L2_PIX_FMT_MPEG4:
case V4L2_PIX_FMT_XVID:
structure = gst_structure_new("video/mpeg",
"mpegversion", G_TYPE_INT, 4, "systemstream",
G_TYPE_BOOLEAN, FALSE, NULL);
break;
case V4L2_PIX_FMT_FWHT:
structure = gst_structure_new_empty("video/x-fwht");
break;
case V4L2_PIX_FMT_H263:
structure = gst_structure_new("video/x-h263",
"variant", G_TYPE_STRING, "itu", NULL);
break;
case V4L2_PIX_FMT_H264: /* H.264 */
structure = gst_structure_new("video/x-h264",
"stream-format", G_TYPE_STRING, "byte-stream", "alignment",
G_TYPE_STRING, "au", NULL);
break;
case V4L2_PIX_FMT_H264_NO_SC:
structure = gst_structure_new("video/x-h264",
"stream-format", G_TYPE_STRING, "avc", "alignment",
G_TYPE_STRING, "au", NULL);
break;
case V4L2_PIX_FMT_HEVC: /* H.265 */
structure = gst_structure_new("video/x-h265",
"stream-format", G_TYPE_STRING, "byte-stream", "alignment",
G_TYPE_STRING, "au", NULL);
break;
case V4L2_PIX_FMT_VC1_ANNEX_G:
case V4L2_PIX_FMT_VC1_ANNEX_L:
structure = gst_structure_new("video/x-wmv",
"wmvversion", G_TYPE_INT, 3, "format", G_TYPE_STRING, "WVC1", NULL);
break;
case V4L2_PIX_FMT_VP8:
structure = gst_structure_new_empty("video/x-vp8");
break;
case V4L2_PIX_FMT_VP9:
structure = gst_structure_new_empty("video/x-vp9");
break;
case V4L2_PIX_FMT_AV1:
structure = gst_structure_new_empty("video/x-av1");
break;
case V4L2_PIX_FMT_AVS:
structure = gst_structure_new_empty("video/x-avs");
break;
case V4L2_PIX_FMT_AVS2:
structure = gst_structure_new_empty("video/x-avs2");
break;
case V4L2_PIX_FMT_AVS3:
structure = gst_structure_new_empty("video/x-avs3");
break;
case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
case V4L2_PIX_FMT_Y16:
case V4L2_PIX_FMT_Y16_BE:
case V4L2_PIX_FMT_XRGB555:
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555X:
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_BGR24:
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ABGR32:
case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV12MT:
case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
case V4L2_PIX_FMT_NV21M:
case V4L2_PIX_FMT_NV16: /* 16 Y/CbCr 4:2:2 */
case V4L2_PIX_FMT_NV16M:
case V4L2_PIX_FMT_NV61: /* 16 Y/CrCb 4:2:2 */
case V4L2_PIX_FMT_NV61M:
case V4L2_PIX_FMT_NV24: /* 24 Y/CrCb 4:4:4 */
case V4L2_PIX_FMT_YVU410:
case V4L2_PIX_FMT_YUV410:
case V4L2_PIX_FMT_YUV420: /* I420/IYUV */
case V4L2_PIX_FMT_YUV420M:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_YUV411P:
{
GstVideoFormat format;
format = gst_aml_v4l2_object_v4l2fourcc_to_video_format(fourcc);
if (format != GST_VIDEO_FORMAT_UNKNOWN)
structure = gst_structure_new("video/x-raw",
"format", G_TYPE_STRING, gst_video_format_to_string(format), NULL);
break;
}
case V4L2_PIX_FMT_DV:
structure =
gst_structure_new("video/x-dv", "systemstream", G_TYPE_BOOLEAN, TRUE,
NULL);
break;
case V4L2_PIX_FMT_MPEG: /* MPEG */
structure = gst_structure_new("video/mpegts",
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
break;
case V4L2_PIX_FMT_WNVA: /* Winnov hw compres */
break;
case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SRGGB8:
structure = gst_structure_new("video/x-bayer", "format", G_TYPE_STRING,
fourcc == V4L2_PIX_FMT_SBGGR8 ? "bggr" : fourcc == V4L2_PIX_FMT_SGBRG8 ? "gbrg"
: fourcc == V4L2_PIX_FMT_SGRBG8 ? "grbg"
:
/* fourcc == V4L2_PIX_FMT_SRGGB8 ? */ "rggb",
NULL);
break;
case V4L2_PIX_FMT_SN9C10X:
structure = gst_structure_new_empty("video/x-sonix");
break;
case V4L2_PIX_FMT_PWC1:
structure = gst_structure_new_empty("video/x-pwc1");
break;
case V4L2_PIX_FMT_PWC2:
structure = gst_structure_new_empty("video/x-pwc2");
break;
case V4L2_PIX_FMT_RGB332:
case V4L2_PIX_FMT_BGR666:
case V4L2_PIX_FMT_ARGB555X:
case V4L2_PIX_FMT_RGB565X:
case V4L2_PIX_FMT_RGB444:
case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
case V4L2_PIX_FMT_Y4:
case V4L2_PIX_FMT_Y6:
case V4L2_PIX_FMT_Y10:
case V4L2_PIX_FMT_Y12:
case V4L2_PIX_FMT_Y10BPACK:
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_YUV565:
case V4L2_PIX_FMT_Y41P:
case V4L2_PIX_FMT_YUV32:
case V4L2_PIX_FMT_NV12MT_16X16:
case V4L2_PIX_FMT_NV42:
case V4L2_PIX_FMT_H264_MVC:
default:
GST_DEBUG("Unsupported fourcc 0x%08x %" GST_FOURCC_FORMAT,
fourcc, GST_FOURCC_ARGS(fourcc));
break;
}
return structure;
}
GstStructure *
gst_aml_v4l2_object_v4l2fourcc_to_structure(guint32 fourcc)
{
GstStructure *template;
gint i;
template = gst_aml_v4l2_object_v4l2fourcc_to_bare_struct(fourcc);
if (template == NULL)
goto done;
for (i = 0; i < GST_AML_V4L2_FORMAT_COUNT; i++)
{
if (gst_aml_v4l2_formats[i].format != fourcc)
continue;
if (gst_aml_v4l2_formats[i].dimensions)
{
gst_structure_set(template,
"width", GST_TYPE_INT_RANGE, 1, GST_AML_V4L2_MAX_SIZE,
"height", GST_TYPE_INT_RANGE, 1, GST_AML_V4L2_MAX_SIZE,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
}
break;
}
done:
return template;
}
static GstCaps *
gst_aml_v4l2_object_get_caps_helper(GstAmlV4L2FormatFlags flags)
{
GstStructure *structure;
GstCaps *caps;
guint i;
caps = gst_caps_new_empty();
for (i = 0; i < GST_AML_V4L2_FORMAT_COUNT; i++)
{
if ((gst_aml_v4l2_formats[i].flags & flags) == 0)
continue;
structure =
gst_aml_v4l2_object_v4l2fourcc_to_bare_struct(gst_aml_v4l2_formats[i].format);
if (structure)
{
GstStructure *alt_s = NULL;
if (gst_aml_v4l2_formats[i].dimensions)
{
gst_structure_set(structure,
"width", GST_TYPE_INT_RANGE, 1, GST_AML_V4L2_MAX_SIZE,
"height", GST_TYPE_INT_RANGE, 1, GST_AML_V4L2_MAX_SIZE,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
}
switch (gst_aml_v4l2_formats[i].format)
{
case V4L2_PIX_FMT_RGB32:
alt_s = gst_structure_copy(structure);
gst_structure_set(alt_s, "format", G_TYPE_STRING, "ARGB", NULL);
break;
case V4L2_PIX_FMT_BGR32:
alt_s = gst_structure_copy(structure);
gst_structure_set(alt_s, "format", G_TYPE_STRING, "BGRA", NULL);
default:
break;
}
gst_caps_append_structure(caps, structure);
if (alt_s)
gst_caps_append_structure(caps, alt_s);
}
}
return gst_caps_simplify(caps);
}
GstCaps *
gst_aml_v4l2_object_get_all_caps(void)
{
static GstCaps *caps = NULL;
if (g_once_init_enter(&caps))
{
GstCaps *all_caps = gst_aml_v4l2_object_get_caps_helper(GST_V4L2_ALL);
GST_MINI_OBJECT_FLAG_SET(all_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
g_once_init_leave(&caps, all_caps);
}
return caps;
}
GstCaps *
gst_aml_v4l2_object_get_raw_caps(void)
{
static GstCaps *caps = NULL;
if (g_once_init_enter(&caps))
{
GstCaps *raw_caps = gst_aml_v4l2_object_get_caps_helper(GST_V4L2_RAW);
GST_MINI_OBJECT_FLAG_SET(raw_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
g_once_init_leave(&caps, raw_caps);
}
return caps;
}
GstCaps *
gst_aml_v4l2_object_get_codec_caps(void)
{
static GstCaps *caps = NULL;
if (g_once_init_enter(&caps))
{
GstCaps *codec_caps = gst_aml_v4l2_object_get_caps_helper(GST_V4L2_CODEC);
GST_MINI_OBJECT_FLAG_SET(codec_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
g_once_init_leave(&caps, codec_caps);
}
return caps;
}
/* collect data for the given caps
* @caps: given input caps
* @format: location for the v4l format
* @w/@h: location for width and height
* @fps_n/@fps_d: location for framerate
* @size: location for expected size of the frame or 0 if unknown
*/
static gboolean
gst_aml_v4l2_object_get_caps_info(GstAmlV4l2Object *v4l2object, GstCaps *caps,
struct v4l2_fmtdesc **format, GstVideoInfo *info)
{
GstStructure *structure;
guint32 fourcc = 0, fourcc_nc = 0;
const gchar *mimetype;
struct v4l2_fmtdesc *fmt = NULL;
GST_DEBUG_OBJECT(v4l2object, "got caps: %" GST_PTR_FORMAT, caps);
structure = gst_caps_get_structure(caps, 0);
mimetype = gst_structure_get_name(structure);
if (!gst_video_info_from_caps(info, caps))
goto invalid_format;
if (g_str_equal(mimetype, "video/x-raw"))
{
switch (GST_VIDEO_INFO_FORMAT(info))
{
case GST_VIDEO_FORMAT_I420:
fourcc = V4L2_PIX_FMT_YUV420;
fourcc_nc = V4L2_PIX_FMT_YUV420M;
break;
case GST_VIDEO_FORMAT_YUY2:
fourcc = V4L2_PIX_FMT_YUYV;
break;
case GST_VIDEO_FORMAT_UYVY:
fourcc = V4L2_PIX_FMT_UYVY;
break;
case GST_VIDEO_FORMAT_YV12:
fourcc = V4L2_PIX_FMT_YVU420;
break;
case GST_VIDEO_FORMAT_Y41B:
fourcc = V4L2_PIX_FMT_YUV411P;
break;
case GST_VIDEO_FORMAT_Y42B:
fourcc = V4L2_PIX_FMT_YUV422P;
break;
case GST_VIDEO_FORMAT_NV12:
fourcc = V4L2_PIX_FMT_NV12;
fourcc_nc = V4L2_PIX_FMT_NV12M;
break;
case GST_VIDEO_FORMAT_NV12_64Z32:
fourcc_nc = V4L2_PIX_FMT_NV12MT;
break;
case GST_VIDEO_FORMAT_NV21:
fourcc = V4L2_PIX_FMT_NV21;
fourcc_nc = V4L2_PIX_FMT_NV21M;
break;
case GST_VIDEO_FORMAT_NV16:
fourcc = V4L2_PIX_FMT_NV16;
fourcc_nc = V4L2_PIX_FMT_NV16M;
break;
case GST_VIDEO_FORMAT_NV61:
fourcc = V4L2_PIX_FMT_NV61;
fourcc_nc = V4L2_PIX_FMT_NV61M;
break;
case GST_VIDEO_FORMAT_NV24:
fourcc = V4L2_PIX_FMT_NV24;
break;
case GST_VIDEO_FORMAT_YVYU:
fourcc = V4L2_PIX_FMT_YVYU;
break;
case GST_VIDEO_FORMAT_RGB15:
fourcc = V4L2_PIX_FMT_RGB555;
fourcc_nc = V4L2_PIX_FMT_XRGB555;
break;
case GST_VIDEO_FORMAT_RGB16:
fourcc = V4L2_PIX_FMT_RGB565;
break;
case GST_VIDEO_FORMAT_RGB:
fourcc = V4L2_PIX_FMT_RGB24;
break;
case GST_VIDEO_FORMAT_BGR:
fourcc = V4L2_PIX_FMT_BGR24;
break;
case GST_VIDEO_FORMAT_xRGB:
fourcc = V4L2_PIX_FMT_RGB32;
fourcc_nc = V4L2_PIX_FMT_XRGB32;
break;
case GST_VIDEO_FORMAT_ARGB:
fourcc = V4L2_PIX_FMT_RGB32;
fourcc_nc = V4L2_PIX_FMT_ARGB32;
break;
case GST_VIDEO_FORMAT_BGRx:
fourcc = V4L2_PIX_FMT_BGR32;
fourcc_nc = V4L2_PIX_FMT_XBGR32;
break;
case GST_VIDEO_FORMAT_BGRA:
fourcc = V4L2_PIX_FMT_BGR32;
fourcc_nc = V4L2_PIX_FMT_ABGR32;
break;
case GST_VIDEO_FORMAT_GRAY8:
fourcc = V4L2_PIX_FMT_GREY;
break;
case GST_VIDEO_FORMAT_GRAY16_LE:
fourcc = V4L2_PIX_FMT_Y16;
break;
case GST_VIDEO_FORMAT_GRAY16_BE:
fourcc = V4L2_PIX_FMT_Y16_BE;
break;
case GST_VIDEO_FORMAT_BGR15:
fourcc = V4L2_PIX_FMT_RGB555X;
fourcc_nc = V4L2_PIX_FMT_XRGB555X;
break;
default:
break;
}
}
else
{
if (g_str_equal(mimetype, "video/mpegts"))
{
fourcc = V4L2_PIX_FMT_MPEG;
}
else if (g_str_equal(mimetype, "video/x-dv"))
{
fourcc = V4L2_PIX_FMT_DV;
}
else if (g_str_equal(mimetype, "video/mjpeg"))
{
fourcc = V4L2_PIX_FMT_JPEG;
}
else if (g_str_equal(mimetype, "video/mpeg"))
{
gint version;
if (gst_structure_get_int(structure, "mpegversion", &version))
{
switch (version)
{
case 1:
fourcc = V4L2_PIX_FMT_MPEG1;
break;
case 2:
fourcc = V4L2_PIX_FMT_MPEG2;
break;
case 4:
fourcc = V4L2_PIX_FMT_MPEG4;
fourcc_nc = V4L2_PIX_FMT_XVID;
break;
default:
break;
}
}
}
else if (g_str_equal(mimetype, "video/x-fwht"))
{
fourcc = V4L2_PIX_FMT_FWHT;
}
else if (g_str_equal(mimetype, "video/x-h263"))
{
fourcc = V4L2_PIX_FMT_H263;
}
else if (g_str_equal(mimetype, "video/x-h264"))
{
const gchar *stream_format =
gst_structure_get_string(structure, "stream-format");
if (g_str_equal(stream_format, "avc"))
fourcc = V4L2_PIX_FMT_H264_NO_SC;
else
fourcc = V4L2_PIX_FMT_H264;
}
else if (g_str_equal(mimetype, "video/x-h265"))
{
fourcc = V4L2_PIX_FMT_HEVC;
}
else if (g_str_equal(mimetype, "video/x-vp8"))
{
fourcc = V4L2_PIX_FMT_VP8;
}
else if (g_str_equal(mimetype, "video/x-vp9"))
{
fourcc = V4L2_PIX_FMT_VP9;
}
else if (g_str_equal(mimetype, "video/x-av1"))
{
fourcc = V4L2_PIX_FMT_AV1;
}
else if (g_str_equal(mimetype, "video/x-avs"))
{
fourcc = V4L2_PIX_FMT_AVS;
}
else if (g_str_equal(mimetype, "video/x-avs2"))
{
fourcc = V4L2_PIX_FMT_AVS2;
}
else if (g_str_equal(mimetype, "video/x-avs3"))
{
fourcc = V4L2_PIX_FMT_AVS3;
}
else if (g_str_equal(mimetype, "video/x-bayer"))
{
const gchar *vformat = gst_structure_get_string(structure, "format");
if (vformat)
{
if (!g_ascii_strcasecmp(vformat, "bggr"))
fourcc = V4L2_PIX_FMT_SBGGR8;
else if (!g_ascii_strcasecmp(vformat, "gbrg"))
fourcc = V4L2_PIX_FMT_SGBRG8;
else if (!g_ascii_strcasecmp(vformat, "grbg"))
fourcc = V4L2_PIX_FMT_SGRBG8;
else if (!g_ascii_strcasecmp(vformat, "rggb"))
fourcc = V4L2_PIX_FMT_SRGGB8;
}
}
else if (g_str_equal(mimetype, "video/x-sonix"))
{
fourcc = V4L2_PIX_FMT_SN9C10X;
}
else if (g_str_equal(mimetype, "video/x-pwc1"))
{
fourcc = V4L2_PIX_FMT_PWC1;
}
else if (g_str_equal(mimetype, "video/x-pwc2"))
{
fourcc = V4L2_PIX_FMT_PWC2;
}
else
{
GST_ERROR("Unknown video codec %s.", mimetype);
}
}
/* Prefer the non-contiguous if supported */
v4l2object->prefered_non_contiguous = TRUE;
if (fourcc_nc)
fmt = gst_aml_v4l2_object_get_format_from_fourcc(v4l2object, fourcc_nc);
else if (fourcc == 0)
goto unhandled_format;
if (fmt == NULL)
{
fmt = gst_aml_v4l2_object_get_format_from_fourcc(v4l2object, fourcc);
v4l2object->prefered_non_contiguous = FALSE;
}
if (fmt == NULL)
goto unsupported_format;
*format = fmt;
return TRUE;
/* ERRORS */
invalid_format:
{
GST_DEBUG_OBJECT(v4l2object, "invalid format");
return FALSE;
}
unhandled_format:
{
GST_DEBUG_OBJECT(v4l2object, "unhandled format");
return FALSE;
}
unsupported_format:
{
GST_DEBUG_OBJECT(v4l2object, "unsupported format");
return FALSE;
}
}
static gboolean
gst_aml_v4l2_object_get_nearest_size(GstAmlV4l2Object *v4l2object,
guint32 pixelformat, gint *width, gint *height);
static void
gst_aml_v4l2_object_add_aspect_ratio(GstAmlV4l2Object *v4l2object, GstStructure *s)
{
if (v4l2object->keep_aspect && v4l2object->par)
gst_structure_set_value(s, "pixel-aspect-ratio", v4l2object->par);
}
/* returns TRUE if the value was changed in place, otherwise FALSE */
static gboolean
gst_aml_v4l2src_value_simplify(GValue *val)
{
/* simplify list of one value to one value */
if (GST_VALUE_HOLDS_LIST(val) && gst_value_list_get_size(val) == 1)
{
const GValue *list_val;
GValue new_val = G_VALUE_INIT;
list_val = gst_value_list_get_value(val, 0);
g_value_init(&new_val, G_VALUE_TYPE(list_val));
g_value_copy(list_val, &new_val);
g_value_unset(val);
*val = new_val;
return TRUE;
}
return FALSE;
}
static gboolean
gst_aml_v4l2_object_get_interlace_mode(enum v4l2_field field,
GstVideoInterlaceMode *interlace_mode)
{
switch (field)
{
case V4L2_FIELD_ANY:
GST_ERROR("Driver bug detected - check driver with v4l2-compliance from http://git.linuxtv.org/v4l-utils.git\n");
/* fallthrough */
case V4L2_FIELD_NONE:
*interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
return TRUE;
case V4L2_FIELD_INTERLACED:
case V4L2_FIELD_INTERLACED_TB:
case V4L2_FIELD_INTERLACED_BT:
*interlace_mode = GST_VIDEO_INTERLACE_MODE_INTERLEAVED;
return TRUE;
default:
GST_ERROR("Unknown enum v4l2_field %d", field);
return FALSE;
}
}
static gboolean
gst_aml_v4l2_object_get_colorspace(struct v4l2_format *fmt,
GstVideoColorimetry *cinfo)
{
gboolean is_rgb =
gst_amL_v4l2_object_v4l2fourcc_is_rgb(fmt->fmt.pix.pixelformat);
enum v4l2_colorspace colorspace;
enum v4l2_quantization range;
enum v4l2_ycbcr_encoding matrix;
enum v4l2_xfer_func transfer;
gboolean ret = TRUE;
if (V4L2_TYPE_IS_MULTIPLANAR(fmt->type))
{
colorspace = fmt->fmt.pix_mp.colorspace;
range = fmt->fmt.pix_mp.quantization;
matrix = fmt->fmt.pix_mp.ycbcr_enc;
transfer = fmt->fmt.pix_mp.xfer_func;
}
else
{
colorspace = fmt->fmt.pix.colorspace;
range = fmt->fmt.pix.quantization;
matrix = fmt->fmt.pix.ycbcr_enc;
transfer = fmt->fmt.pix.xfer_func;
}
GST_DEBUG("colorspace:%d, range:%d, matrix:%d, transfer:%d", colorspace, range, matrix, transfer);
GST_DEBUG("cinfo update 1 time | range:%d, matrix:%d, transfer:%d, primaries:%d", cinfo->range, cinfo->matrix, cinfo->transfer, cinfo->primaries);
/* First step, set the defaults for each primaries */
switch (colorspace)
{
case V4L2_COLORSPACE_SMPTE170M:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT601;
cinfo->transfer = GST_VIDEO_TRANSFER_BT709;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_SMPTE170M;
break;
case V4L2_COLORSPACE_REC709:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT709;
cinfo->transfer = GST_VIDEO_TRANSFER_BT709;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_BT709;
break;
case V4L2_COLORSPACE_SRGB:
case V4L2_COLORSPACE_JPEG:
cinfo->range = GST_VIDEO_COLOR_RANGE_0_255;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT601;
cinfo->transfer = GST_VIDEO_TRANSFER_SRGB;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_BT709;
break;
case V4L2_COLORSPACE_OPRGB:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT601;
cinfo->transfer = GST_VIDEO_TRANSFER_ADOBERGB;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_ADOBERGB;
break;
case V4L2_COLORSPACE_BT2020:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT2020;
cinfo->transfer = GST_VIDEO_TRANSFER_BT2020_12;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_BT2020;
break;
case V4L2_COLORSPACE_SMPTE240M:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_SMPTE240M;
cinfo->transfer = GST_VIDEO_TRANSFER_SMPTE240M;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_SMPTE240M;
break;
case V4L2_COLORSPACE_470_SYSTEM_M:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT601;
cinfo->transfer = GST_VIDEO_TRANSFER_BT709;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_BT470M;
break;
case V4L2_COLORSPACE_470_SYSTEM_BG:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT601;
cinfo->transfer = GST_VIDEO_TRANSFER_BT709;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_BT470BG;
break;
case V4L2_COLORSPACE_RAW:
/* Explicitly unknown */
cinfo->range = GST_VIDEO_COLOR_RANGE_UNKNOWN;
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_UNKNOWN;
cinfo->transfer = GST_VIDEO_TRANSFER_UNKNOWN;
cinfo->primaries = GST_VIDEO_COLOR_PRIMARIES_UNKNOWN;
break;
default:
GST_DEBUG("Unknown enum v4l2_colorspace %d", colorspace);
ret = FALSE;
break;
}
GST_DEBUG("cinfo update 2 time | range:%d, matrix:%d, transfer:%d, primaries:%d", cinfo->range, cinfo->matrix, cinfo->transfer, cinfo->primaries);
if (!ret)
goto done;
/* Second step, apply any custom variation */
switch (range)
{
case V4L2_QUANTIZATION_FULL_RANGE:
cinfo->range = GST_VIDEO_COLOR_RANGE_0_255;
break;
case V4L2_QUANTIZATION_LIM_RANGE:
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
break;
case V4L2_QUANTIZATION_DEFAULT:
/* replicated V4L2_MAP_QUANTIZATION_DEFAULT macro behavior */
if (is_rgb && colorspace == V4L2_COLORSPACE_BT2020)
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
else if (is_rgb || matrix == V4L2_YCBCR_ENC_XV601 || matrix == V4L2_YCBCR_ENC_XV709 || colorspace == V4L2_COLORSPACE_JPEG)
cinfo->range = GST_VIDEO_COLOR_RANGE_0_255;
else
cinfo->range = GST_VIDEO_COLOR_RANGE_16_235;
break;
default:
GST_WARNING("Unknown enum v4l2_quantization value %d", range);
cinfo->range = GST_VIDEO_COLOR_RANGE_UNKNOWN;
break;
}
GST_DEBUG("cinfo update 3 time | range:%d, matrix:%d, transfer:%d, primaries:%d", cinfo->range, cinfo->matrix, cinfo->transfer, cinfo->primaries);
switch (matrix)
{
case V4L2_YCBCR_ENC_XV601:
case V4L2_YCBCR_ENC_SYCC:
GST_FIXME("XV601 and SYCC not defined, assuming 601");
/* fallthrough */
case V4L2_YCBCR_ENC_601:
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT601;
break;
case V4L2_YCBCR_ENC_XV709:
GST_FIXME("XV709 not defined, assuming 709");
/* fallthrough */
case V4L2_YCBCR_ENC_709:
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT709;
break;
case V4L2_YCBCR_ENC_BT2020_CONST_LUM:
GST_FIXME("BT2020 with constant luma is not defined, assuming BT2020");
/* fallthrough */
case V4L2_YCBCR_ENC_BT2020:
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_BT2020;
break;
case V4L2_YCBCR_ENC_SMPTE240M:
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_SMPTE240M;
break;
case V4L2_YCBCR_ENC_DEFAULT:
/* nothing, just use defaults for colorspace */
break;
default:
GST_WARNING("Unknown enum v4l2_ycbcr_encoding value %d", matrix);
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_UNKNOWN;
break;
}
GST_DEBUG("cinfo update 4 time | range:%d, matrix:%d, transfer:%d, primaries:%d", cinfo->range, cinfo->matrix, cinfo->transfer, cinfo->primaries);
/* Set identity matrix for R'G'B' formats to avoid creating
* confusion. This though is cosmetic as it's now properly ignored by
* the video info API and videoconvert. */
if (is_rgb)
cinfo->matrix = GST_VIDEO_COLOR_MATRIX_RGB;
switch (transfer)
{
case V4L2_XFER_FUNC_709:
if (colorspace == V4L2_COLORSPACE_BT2020 && fmt->fmt.pix.height >= 2160)
cinfo->transfer = GST_VIDEO_TRANSFER_BT2020_12;
else
cinfo->transfer = GST_VIDEO_TRANSFER_BT709;
break;
case V4L2_XFER_FUNC_SRGB:
cinfo->transfer = GST_VIDEO_TRANSFER_SRGB;
break;
case V4L2_XFER_FUNC_OPRGB:
cinfo->transfer = GST_VIDEO_TRANSFER_ADOBERGB;
break;
case V4L2_XFER_FUNC_SMPTE240M:
cinfo->transfer = GST_VIDEO_TRANSFER_SMPTE240M;
break;
case V4L2_XFER_FUNC_NONE:
cinfo->transfer = GST_VIDEO_TRANSFER_GAMMA10;
break;
case V4L2_XFER_FUNC_DEFAULT:
/* nothing, just use defaults for colorspace */
break;
default:
GST_WARNING("Unknown enum v4l2_xfer_func value %d", transfer);
cinfo->transfer = GST_VIDEO_TRANSFER_UNKNOWN;
break;
}
GST_DEBUG("cinfo update 5 time | range:%d, matrix:%d, transfer:%d, primaries:%d", cinfo->range, cinfo->matrix, cinfo->transfer, cinfo->primaries);
done:
return ret;
}
static int
gst_aml_v4l2_object_try_fmt(GstAmlV4l2Object *v4l2object,
struct v4l2_format *try_fmt)
{
int fd = v4l2object->video_fd;
struct v4l2_format fmt;
int r;
memcpy(&fmt, try_fmt, sizeof(fmt));
r = v4l2object->ioctl(fd, VIDIOC_TRY_FMT, &fmt);
if (r < 0 && errno == ENOTTY)
{
/* The driver might not implement TRY_FMT, in which case we will try
S_FMT to probe */
if (GST_AML_V4L2_IS_ACTIVE(v4l2object))
goto error;
memcpy(&fmt, try_fmt, sizeof(fmt));
r = v4l2object->ioctl(fd, VIDIOC_S_FMT, &fmt);
}
memcpy(try_fmt, &fmt, sizeof(fmt));
return r;
error:
memcpy(try_fmt, &fmt, sizeof(fmt));
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unable to try format: %s", g_strerror(errno));
return r;
}
static void
gst_aml_v4l2_object_add_interlace_mode(GstAmlV4l2Object *v4l2object,
GstStructure *s, guint32 width, guint32 height, guint32 pixelformat)
{
struct v4l2_format fmt;
GValue interlace_formats = {
0,
};
enum v4l2_field formats[] = {V4L2_FIELD_NONE, V4L2_FIELD_INTERLACED};
gsize i;
GstVideoInterlaceMode interlace_mode, prev = -1;
if (!g_str_equal(gst_structure_get_name(s), "video/x-raw"))
return;
if (v4l2object->never_interlaced)
{
gst_structure_set(s, "interlace-mode", G_TYPE_STRING, "progressive", NULL);
return;
}
g_value_init(&interlace_formats, GST_TYPE_LIST);
/* Try twice - once for NONE, once for INTERLACED. */
for (i = 0; i < G_N_ELEMENTS(formats); i++)
{
memset(&fmt, 0, sizeof(fmt));
fmt.type = v4l2object->type;
fmt.fmt.pix.width = width;
fmt.fmt.pix.height = height;
fmt.fmt.pix.pixelformat = pixelformat;
fmt.fmt.pix.field = formats[i];
if (gst_aml_v4l2_object_try_fmt(v4l2object, &fmt) == 0 &&
gst_aml_v4l2_object_get_interlace_mode(fmt.fmt.pix.field, &interlace_mode) && prev != interlace_mode)
{
GValue interlace_enum = {
0,
};
const gchar *mode_string;
g_value_init(&interlace_enum, G_TYPE_STRING);
mode_string = gst_video_interlace_mode_to_string(interlace_mode);
g_value_set_string(&interlace_enum, mode_string);
gst_value_list_append_and_take_value(&interlace_formats,
&interlace_enum);
prev = interlace_mode;
}
}
if (gst_aml_v4l2src_value_simplify(&interlace_formats) || gst_value_list_get_size(&interlace_formats) > 0)
gst_structure_take_value(s, "interlace-mode", &interlace_formats);
else
GST_WARNING_OBJECT(v4l2object, "Failed to determine interlace mode");
return;
}
static void
gst_aml_v4l2_object_fill_colorimetry_list(GValue *list,
GstVideoColorimetry *cinfo)
{
GValue colorimetry = G_VALUE_INIT;
guint size;
guint i;
gboolean found = FALSE;
g_value_init(&colorimetry, G_TYPE_STRING);
g_value_take_string(&colorimetry, gst_video_colorimetry_to_string(cinfo));
GST_DEBUG("fill colorimetry:%s into list", gst_video_colorimetry_to_string(cinfo));
/* only insert if no duplicate */
size = gst_value_list_get_size(list);
for (i = 0; i < size; i++)
{
const GValue *tmp;
tmp = gst_value_list_get_value(list, i);
if (gst_value_compare(&colorimetry, tmp) == GST_VALUE_EQUAL)
{
found = TRUE;
break;
}
}
if (!found)
gst_value_list_append_and_take_value(list, &colorimetry);
else
g_value_unset(&colorimetry);
}
static void
gst_aml_v4l2_object_add_colorspace(GstAmlV4l2Object *v4l2object, GstStructure *s,
guint32 width, guint32 height, guint32 pixelformat)
{
struct v4l2_format fmt;
GValue list = G_VALUE_INIT;
GstVideoColorimetry cinfo;
enum v4l2_colorspace req_cspace;
memset(&fmt, 0, sizeof(fmt));
fmt.type = v4l2object->type;
fmt.fmt.pix.width = width;
fmt.fmt.pix.height = height;
fmt.fmt.pix.pixelformat = pixelformat;
g_value_init(&list, GST_TYPE_LIST);
/* step 1: get device default colorspace and insert it first as
* it should be the preferred one */
GST_DEBUG("try for pixl format");
if (gst_aml_v4l2_object_try_fmt(v4l2object, &fmt) == 0)
{
if (gst_aml_v4l2_object_get_colorspace(&fmt, &cinfo))
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
}
/* step 2: probe all colorspace other than default
* We don't probe all colorspace, range, matrix and transfer combination to
* avoid ioctl flooding which could greatly increase initialization time
* with low-speed devices (UVC...) */
for (req_cspace = V4L2_COLORSPACE_SMPTE170M;
req_cspace <= V4L2_COLORSPACE_RAW; req_cspace++)
{
GST_DEBUG("try for pixl format in while loop :%d", req_cspace);
/* V4L2_COLORSPACE_BT878 is deprecated and shall not be used, so skip */
if (req_cspace == V4L2_COLORSPACE_BT878)
continue;
if (V4L2_TYPE_IS_MULTIPLANAR(v4l2object->type))
fmt.fmt.pix_mp.colorspace = req_cspace;
else
fmt.fmt.pix.colorspace = req_cspace;
if (gst_aml_v4l2_object_try_fmt(v4l2object, &fmt) == 0)
{
GST_DEBUG("try for pixl format in while loop :%d tried ok", req_cspace);
enum v4l2_colorspace colorspace;
if (V4L2_TYPE_IS_MULTIPLANAR(v4l2object->type))
colorspace = fmt.fmt.pix_mp.colorspace;
else
colorspace = fmt.fmt.pix.colorspace;
if (colorspace == req_cspace)
{
if (gst_aml_v4l2_object_get_colorspace(&fmt, &cinfo))
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
}
}
}
GST_DEBUG("deal: caps with colorimetry 2,3,14,7");
cinfo.range = 2;
cinfo.matrix = 3;
cinfo.transfer = 14;
cinfo.primaries = 7;
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
GST_DEBUG("deal: caps with colorimetry 2,6,13,7");
cinfo.range = 2;
cinfo.matrix = 6;
cinfo.transfer = 13;
cinfo.primaries = 7;
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
GST_DEBUG("deal: caps with colorimetry 2,6,14,7");
cinfo.range = 2;
cinfo.matrix = 6;
cinfo.transfer = 14;
cinfo.primaries = 7;
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
GST_DEBUG("deal: caps with colorimetry 2,6,0,7");
cinfo.range = 2;
cinfo.matrix = 6;
cinfo.transfer = 0;
cinfo.primaries = 7;
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
GST_DEBUG("deal: caps with colorimetry 0,6,0,7");
cinfo.range = 0;
cinfo.matrix = 6;
cinfo.transfer = 0;
cinfo.primaries = 7;
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
GST_DEBUG("deal: caps with colorimetry 2,3,0,0");
cinfo.range = 2;
cinfo.matrix = 3;
cinfo.transfer = 0;
cinfo.primaries = 0;
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
GST_DEBUG("deal: caps with colorimetry 2,6,14,0");
cinfo.range = 2;
cinfo.matrix = 6;
cinfo.transfer = 14;
cinfo.primaries = 0;
gst_aml_v4l2_object_fill_colorimetry_list(&list, &cinfo);
if (gst_value_list_get_size(&list) > 0)
gst_structure_take_value(s, "colorimetry", &list);
else
g_value_unset(&list);
return;
}
/* The frame interval enumeration code first appeared in Linux 2.6.19. */
static GstStructure *
gst_aml_v4l2_object_probe_caps_for_format_and_size(GstAmlV4l2Object *v4l2object,
guint32 pixelformat,
guint32 width, guint32 height, const GstStructure *template)
{
gint fd = v4l2object->video_fd;
struct v4l2_frmivalenum ival;
guint32 num, denom;
GstStructure *s;
GValue rates = {
0,
};
memset(&ival, 0, sizeof(struct v4l2_frmivalenum));
ival.index = 0;
ival.pixel_format = pixelformat;
ival.width = width;
ival.height = height;
GST_LOG_OBJECT(v4l2object->dbg_obj,
"get frame interval for %ux%u, %" GST_FOURCC_FORMAT, width, height,
GST_FOURCC_ARGS(pixelformat));
/* keep in mind that v4l2 gives us frame intervals (durations); we invert the
* fraction to get framerate */
if (v4l2object->ioctl(fd, VIDIOC_ENUM_FRAMEINTERVALS, &ival) < 0)
goto enum_frameintervals_failed;
if (ival.type == V4L2_FRMIVAL_TYPE_DISCRETE)
{
GValue rate = {
0,
};
g_value_init(&rates, GST_TYPE_LIST);
g_value_init(&rate, GST_TYPE_FRACTION);
do
{
num = ival.discrete.numerator;
denom = ival.discrete.denominator;
if (num > G_MAXINT || denom > G_MAXINT)
{
/* let us hope we don't get here... */
num >>= 1;
denom >>= 1;
}
GST_LOG_OBJECT(v4l2object->dbg_obj, "adding discrete framerate: %d/%d",
denom, num);
/* swap to get the framerate */
gst_value_set_fraction(&rate, denom, num);
gst_value_list_append_value(&rates, &rate);
ival.index++;
} while (v4l2object->ioctl(fd, VIDIOC_ENUM_FRAMEINTERVALS, &ival) >= 0);
}
else if (ival.type == V4L2_FRMIVAL_TYPE_STEPWISE)
{
GValue min = {
0,
};
GValue step = {
0,
};
GValue max = {
0,
};
gboolean added = FALSE;
guint32 minnum, mindenom;
guint32 maxnum, maxdenom;
g_value_init(&rates, GST_TYPE_LIST);
g_value_init(&min, GST_TYPE_FRACTION);
g_value_init(&step, GST_TYPE_FRACTION);
g_value_init(&max, GST_TYPE_FRACTION);
/* get the min */
minnum = ival.stepwise.min.numerator;
mindenom = ival.stepwise.min.denominator;
if (minnum > G_MAXINT || mindenom > G_MAXINT)
{
minnum >>= 1;
mindenom >>= 1;
}
GST_LOG_OBJECT(v4l2object->dbg_obj, "stepwise min frame interval: %d/%d",
minnum, mindenom);
gst_value_set_fraction(&min, minnum, mindenom);
/* get the max */
maxnum = ival.stepwise.max.numerator;
maxdenom = ival.stepwise.max.denominator;
if (maxnum > G_MAXINT || maxdenom > G_MAXINT)
{
maxnum >>= 1;
maxdenom >>= 1;
}
GST_LOG_OBJECT(v4l2object->dbg_obj, "stepwise max frame interval: %d/%d",
maxnum, maxdenom);
gst_value_set_fraction(&max, maxnum, maxdenom);
/* get the step */
num = ival.stepwise.step.numerator;
denom = ival.stepwise.step.denominator;
if (num > G_MAXINT || denom > G_MAXINT)
{
num >>= 1;
denom >>= 1;
}
if (num == 0 || denom == 0)
{
/* in this case we have a wrong fraction or no step, set the step to max
* so that we only add the min value in the loop below */
num = maxnum;
denom = maxdenom;
}
/* since we only have gst_value_fraction_subtract and not add, negate the
* numerator */
GST_LOG_OBJECT(v4l2object->dbg_obj, "stepwise step frame interval: %d/%d",
num, denom);
gst_value_set_fraction(&step, -num, denom);
while (gst_value_compare(&min, &max) != GST_VALUE_GREATER_THAN)
{
GValue rate = {
0,
};
num = gst_value_get_fraction_numerator(&min);
denom = gst_value_get_fraction_denominator(&min);
GST_LOG_OBJECT(v4l2object->dbg_obj, "adding stepwise framerate: %d/%d",
denom, num);
/* invert to get the framerate */
g_value_init(&rate, GST_TYPE_FRACTION);
gst_value_set_fraction(&rate, denom, num);
gst_value_list_append_value(&rates, &rate);
added = TRUE;
/* we're actually adding because step was negated above. This is because
* there is no _add function... */
if (!gst_value_fraction_subtract(&min, &min, &step))
{
GST_WARNING_OBJECT(v4l2object->dbg_obj, "could not step fraction!");
break;
}
}
if (!added)
{
/* no range was added, leave the default range from the template */
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"no range added, leaving default");
g_value_unset(&rates);
}
}
else if (ival.type == V4L2_FRMIVAL_TYPE_CONTINUOUS)
{
guint32 maxnum, maxdenom;
g_value_init(&rates, GST_TYPE_FRACTION_RANGE);
num = ival.stepwise.min.numerator;
denom = ival.stepwise.min.denominator;
if (num > G_MAXINT || denom > G_MAXINT)
{
num >>= 1;
denom >>= 1;
}
maxnum = ival.stepwise.max.numerator;
maxdenom = ival.stepwise.max.denominator;
if (maxnum > G_MAXINT || maxdenom > G_MAXINT)
{
maxnum >>= 1;
maxdenom >>= 1;
}
GST_LOG_OBJECT(v4l2object->dbg_obj,
"continuous frame interval %d/%d to %d/%d", maxdenom, maxnum, denom,
num);
gst_value_set_fraction_range_full(&rates, maxdenom, maxnum, denom, num);
}
else
{
goto unknown_type;
}
return_data:
s = gst_structure_copy(template);
gst_structure_set(s, "width", G_TYPE_INT, (gint)width,
"height", G_TYPE_INT, (gint)height, NULL);
gst_aml_v4l2_object_add_aspect_ratio(v4l2object, s);
if (!v4l2object->skip_try_fmt_probes)
{
gst_aml_v4l2_object_add_interlace_mode(v4l2object, s, width, height,
pixelformat);
// gst_aml_v4l2_object_add_colorspace(v4l2object, s, width, height, pixelformat);
}
if (G_IS_VALUE(&rates))
{
gst_aml_v4l2src_value_simplify(&rates);
/* only change the framerate on the template when we have a valid probed new
* value */
gst_structure_take_value(s, "framerate", &rates);
}
else if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
{
gst_structure_set(s, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT,
1, NULL);
}
return s;
/* ERRORS */
enum_frameintervals_failed:
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"Unable to enumerate intervals for %" GST_FOURCC_FORMAT "@%ux%u",
GST_FOURCC_ARGS(pixelformat), width, height);
goto return_data;
}
unknown_type:
{
/* I don't see how this is actually an error, we ignore the format then */
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unknown frame interval type at %" GST_FOURCC_FORMAT "@%ux%u: %u",
GST_FOURCC_ARGS(pixelformat), width, height, ival.type);
return NULL;
}
}
static gint
sort_by_frame_size(GstStructure *s1, GstStructure *s2)
{
int w1, h1, w2, h2;
gst_structure_get_int(s1, "width", &w1);
gst_structure_get_int(s1, "height", &h1);
gst_structure_get_int(s2, "width", &w2);
gst_structure_get_int(s2, "height", &h2);
/* I think it's safe to assume that this won't overflow for a while */
return ((w2 * h2) - (w1 * h1));
}
static void
gst_aml_v4l2_object_update_and_append(GstAmlV4l2Object *v4l2object,
guint32 format, GstCaps *caps, GstStructure *s)
{
GstStructure *alt_s = NULL;
/* Encoded stream on output buffer need to be parsed */
if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_OUTPUT ||
v4l2object->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
{
gint i = 0;
for (; i < GST_AML_V4L2_FORMAT_COUNT; i++)
{
if (format == gst_aml_v4l2_formats[i].format &&
gst_aml_v4l2_formats[i].flags & GST_V4L2_CODEC &&
!(gst_aml_v4l2_formats[i].flags & GST_V4L2_NO_PARSE))
{
gst_structure_set(s, "parsed", G_TYPE_BOOLEAN, TRUE, NULL);
break;
}
}
}
if (v4l2object->has_alpha_component &&
(v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE))
{
switch (format)
{
case V4L2_PIX_FMT_RGB32:
alt_s = gst_structure_copy(s);
gst_structure_set(alt_s, "format", G_TYPE_STRING, "ARGB", NULL);
break;
case V4L2_PIX_FMT_BGR32:
alt_s = gst_structure_copy(s);
gst_structure_set(alt_s, "format", G_TYPE_STRING, "BGRA", NULL);
break;
default:
break;
}
}
gst_caps_append_structure(caps, s);
if (alt_s)
gst_caps_append_structure(caps, alt_s);
}
static GstCaps *
gst_aml_v4l2_object_probe_caps_for_format(GstAmlV4l2Object *v4l2object,
guint32 pixelformat, const GstStructure *template)
{
GstCaps *ret = gst_caps_new_empty();
GstStructure *tmp;
gint fd = v4l2object->video_fd;
struct v4l2_frmsizeenum size;
GList *results = NULL;
guint32 w, h;
if (pixelformat == GST_MAKE_FOURCC('M', 'P', 'E', 'G'))
{
gst_caps_append_structure(ret, gst_structure_copy(template));
return ret;
}
memset(&size, 0, sizeof(struct v4l2_frmsizeenum));
size.index = 0;
size.pixel_format = pixelformat;
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"Enumerating frame sizes for %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS(pixelformat));
if (v4l2object->ioctl(fd, VIDIOC_ENUM_FRAMESIZES, &size) < 0)
goto enum_framesizes_failed;
if (size.type == V4L2_FRMSIZE_TYPE_DISCRETE)
{
do
{
GST_LOG_OBJECT(v4l2object->dbg_obj, "got discrete frame size %dx%d",
size.discrete.width, size.discrete.height);
w = MIN(size.discrete.width, G_MAXINT);
h = MIN(size.discrete.height, G_MAXINT);
if (w && h)
{
tmp =
gst_aml_v4l2_object_probe_caps_for_format_and_size(v4l2object,
pixelformat, w, h, template);
if (tmp)
results = g_list_prepend(results, tmp);
}
size.index++;
} while (v4l2object->ioctl(fd, VIDIOC_ENUM_FRAMESIZES, &size) >= 0);
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"done iterating discrete frame sizes");
}
else if (size.type == V4L2_FRMSIZE_TYPE_STEPWISE)
{
guint32 maxw, maxh, step_w, step_h;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "we have stepwise frame sizes:");
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "min width: %d",
size.stepwise.min_width);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "min height: %d",
size.stepwise.min_height);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "max width: %d",
size.stepwise.max_width);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "min height: %d",
size.stepwise.max_height);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "step width: %d",
size.stepwise.step_width);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "step height: %d",
size.stepwise.step_height);
w = MAX(size.stepwise.min_width, 1);
h = MAX(size.stepwise.min_height, 1);
maxw = MIN(size.stepwise.max_width, G_MAXINT);
maxh = MIN(size.stepwise.max_height, G_MAXINT);
/* in this position,updating resolution only to pass the negotiation
* actually, the details about resolution refer to function:
* gst_aml_v4l2_object_set_format_full for checking.
*/
GST_DEBUG_OBJECT (v4l2object->dbg_obj, "update maxw_maxh to MAX(maxw,maxh)_MAX(maxw,maxh)");
maxh = MAX (maxw, maxh);
maxw = maxh;
step_w = MAX(size.stepwise.step_width, 1);
step_h = MAX(size.stepwise.step_height, 1);
/* FIXME: check for sanity and that min/max are multiples of the steps */
/* we only query details for the max width/height since it's likely the
* most restricted if there are any resolution-dependent restrictions */
tmp = gst_aml_v4l2_object_probe_caps_for_format_and_size(v4l2object,
pixelformat, maxw, maxh, template);
if (tmp)
{
GValue step_range = G_VALUE_INIT;
g_value_init(&step_range, GST_TYPE_INT_RANGE);
gst_value_set_int_range_step(&step_range, w, maxw, step_w);
gst_structure_set_value(tmp, "width", &step_range);
gst_value_set_int_range_step(&step_range, h, maxh, step_h);
gst_structure_take_value(tmp, "height", &step_range);
/* no point using the results list here, since there's only one struct */
gst_aml_v4l2_object_update_and_append(v4l2object, pixelformat, ret, tmp);
}
}
else if (size.type == V4L2_FRMSIZE_TYPE_CONTINUOUS)
{
guint32 maxw, maxh;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "we have continuous frame sizes:");
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "min width: %d",
size.stepwise.min_width);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "min height: %d",
size.stepwise.min_height);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "max width: %d",
size.stepwise.max_width);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "min height: %d",
size.stepwise.max_height);
w = MAX(size.stepwise.min_width, 1);
h = MAX(size.stepwise.min_height, 1);
maxw = MIN(size.stepwise.max_width, G_MAXINT);
maxh = MIN(size.stepwise.max_height, G_MAXINT);
tmp =
gst_aml_v4l2_object_probe_caps_for_format_and_size(v4l2object, pixelformat,
w, h, template);
if (tmp)
{
gst_structure_set(tmp, "width", GST_TYPE_INT_RANGE, (gint)w,
(gint)maxw, "height", GST_TYPE_INT_RANGE, (gint)h, (gint)maxh,
NULL);
/* no point using the results list here, since there's only one struct */
gst_aml_v4l2_object_update_and_append(v4l2object, pixelformat, ret, tmp);
}
}
else
{
goto unknown_type;
}
/* we use an intermediary list to store and then sort the results of the
* probing because we can't make any assumptions about the order in which
* the driver will give us the sizes, but we want the final caps to contain
* the results starting with the highest resolution and having the lowest
* resolution last, since order in caps matters for things like fixation. */
results = g_list_sort(results, (GCompareFunc)sort_by_frame_size);
while (results != NULL)
{
gst_aml_v4l2_object_update_and_append(v4l2object, pixelformat, ret,
results->data);
results = g_list_delete_link(results, results);
}
if (gst_caps_is_empty(ret))
goto enum_framesizes_no_results;
return ret;
/* ERRORS */
enum_framesizes_failed:
{
/* I don't see how this is actually an error */
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"Failed to enumerate frame sizes for pixelformat %" GST_FOURCC_FORMAT
" (%s)",
GST_FOURCC_ARGS(pixelformat), g_strerror(errno));
goto default_frame_sizes;
}
enum_framesizes_no_results:
{
/* it's possible that VIDIOC_ENUM_FRAMESIZES is defined but the driver in
* question doesn't actually support it yet */
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"No results for pixelformat %" GST_FOURCC_FORMAT
" enumerating frame sizes, trying fallback",
GST_FOURCC_ARGS(pixelformat));
goto default_frame_sizes;
}
unknown_type:
{
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unknown frame sizeenum type for pixelformat %" GST_FOURCC_FORMAT
": %u",
GST_FOURCC_ARGS(pixelformat), size.type);
goto default_frame_sizes;
}
default_frame_sizes:
{
gint min_w, max_w, min_h, max_h;
#ifdef DELETE_FOR_LGE
gint fix_num = 0, fix_denom = 0;
#endif
/* This code is for Linux < 2.6.19 */
min_w = min_h = 1;
max_w = max_h = GST_AML_V4L2_MAX_SIZE;
if (!gst_aml_v4l2_object_get_nearest_size(v4l2object, pixelformat, &min_w,
&min_h))
{
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Could not probe minimum capture size for pixelformat %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS(pixelformat));
}
if (!gst_aml_v4l2_object_get_nearest_size(v4l2object, pixelformat, &max_w,
&max_h))
{
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Could not probe maximum capture size for pixelformat %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS(pixelformat));
}
tmp = gst_structure_copy(template);
#ifdef DELETE_FOR_LGE
if (fix_num)
{
gst_structure_set(tmp, "framerate", GST_TYPE_FRACTION, fix_num,
fix_denom, NULL);
}
else
#endif
if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
{
/* if norm can't be used, copy the template framerate */
gst_structure_set(tmp, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
G_MAXINT, 1, NULL);
}
if (min_w == max_w)
gst_structure_set(tmp, "width", G_TYPE_INT, max_w, NULL);
else
gst_structure_set(tmp, "width", GST_TYPE_INT_RANGE, min_w, max_w, NULL);
if (min_h == max_h)
gst_structure_set(tmp, "height", G_TYPE_INT, max_h, NULL);
else
gst_structure_set(tmp, "height", GST_TYPE_INT_RANGE, min_h, max_h, NULL);
gst_aml_v4l2_object_add_aspect_ratio(v4l2object, tmp);
if (!v4l2object->skip_try_fmt_probes)
{
/* We could consider setting interlace mode from min and max. */
gst_aml_v4l2_object_add_interlace_mode(v4l2object, tmp, max_w, max_h,
pixelformat);
/* We could consider to check colorspace for min too, in case it depends on
* the size. But in this case, min and max could not be enough */
gst_aml_v4l2_object_add_colorspace(v4l2object, tmp, max_w, max_h,
pixelformat);
}
gst_aml_v4l2_object_update_and_append(v4l2object, pixelformat, ret, tmp);
return ret;
}
}
static gboolean
gst_aml_v4l2_object_get_nearest_size(GstAmlV4l2Object *v4l2object,
guint32 pixelformat, gint *width, gint *height)
{
struct v4l2_format fmt;
gboolean ret = FALSE;
GstVideoInterlaceMode interlace_mode;
g_return_val_if_fail(width != NULL, FALSE);
g_return_val_if_fail(height != NULL, FALSE);
GST_LOG_OBJECT(v4l2object->dbg_obj,
"getting nearest size to %dx%d with format %" GST_FOURCC_FORMAT,
*width, *height, GST_FOURCC_ARGS(pixelformat));
memset(&fmt, 0, sizeof(struct v4l2_format));
/* get size delimiters */
memset(&fmt, 0, sizeof(fmt));
fmt.type = v4l2object->type;
fmt.fmt.pix.width = *width;
fmt.fmt.pix.height = *height;
fmt.fmt.pix.pixelformat = pixelformat;
fmt.fmt.pix.field = V4L2_FIELD_ANY;
if (gst_aml_v4l2_object_try_fmt(v4l2object, &fmt) < 0)
goto error;
GST_LOG_OBJECT(v4l2object->dbg_obj,
"got nearest size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height);
*width = fmt.fmt.pix.width;
*height = fmt.fmt.pix.height;
if (!gst_aml_v4l2_object_get_interlace_mode(fmt.fmt.pix.field, &interlace_mode))
{
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unsupported field type for %" GST_FOURCC_FORMAT "@%ux%u: %u",
GST_FOURCC_ARGS(pixelformat), *width, *height, fmt.fmt.pix.field);
goto error;
}
ret = TRUE;
error:
if (!ret)
{
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unable to try format: %s", g_strerror(errno));
}
return ret;
}
static gboolean
gst_aml_v4l2_object_is_dmabuf_supported(GstAmlV4l2Object *v4l2object)
{
gboolean ret = TRUE;
struct v4l2_exportbuffer expbuf = {
.type = v4l2object->type,
.index = -1,
.plane = -1,
.flags = O_CLOEXEC | O_RDWR,
};
if (v4l2object->fmtdesc->flags & V4L2_FMT_FLAG_EMULATED)
{
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"libv4l2 converter detected, disabling DMABuf");
ret = FALSE;
}
/* Expected to fail, but ENOTTY tells us that it is not implemented. */
v4l2object->ioctl(v4l2object->video_fd, VIDIOC_EXPBUF, &expbuf);
if (errno == ENOTTY)
ret = FALSE;
return ret;
}
static gboolean
gst_aml_v4l2_object_setup_pool(GstAmlV4l2Object *v4l2object, GstCaps *caps)
{
GstAmlV4l2IOMode mode;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "initializing the %s system",
V4L2_TYPE_IS_OUTPUT(v4l2object->type) ? "output" : "capture");
GST_AML_V4L2_CHECK_OPEN(v4l2object);
GST_AML_V4L2_CHECK_NOT_ACTIVE(v4l2object);
/* find transport */
mode = v4l2object->req_mode;
if (v4l2object->device_caps & V4L2_CAP_READWRITE)
{
if (v4l2object->req_mode == GST_V4L2_IO_AUTO)
mode = GST_V4L2_IO_RW;
}
else if (v4l2object->req_mode == GST_V4L2_IO_RW)
goto method_not_supported;
if (v4l2object->device_caps & V4L2_CAP_STREAMING)
{
if (v4l2object->req_mode == GST_V4L2_IO_AUTO)
{
if (!V4L2_TYPE_IS_OUTPUT(v4l2object->type) &&
gst_aml_v4l2_object_is_dmabuf_supported(v4l2object))
{
mode = GST_V4L2_IO_DMABUF;
}
else
{
mode = GST_V4L2_IO_MMAP;
}
}
}
else if (v4l2object->req_mode == GST_V4L2_IO_MMAP ||
v4l2object->req_mode == GST_V4L2_IO_DMABUF)
goto method_not_supported;
/* if still no transport selected, error out */
if (mode == GST_V4L2_IO_AUTO)
goto no_supported_capture_method;
GST_INFO_OBJECT(v4l2object->dbg_obj, "accessing buffers via mode %d", mode);
v4l2object->mode = mode;
/* If min_buffers is not set, the driver either does not support the control or
it has not been asked yet via propose_allocation/decide_allocation. */
if (!v4l2object->min_buffers)
gst_aml_v4l2_get_driver_min_buffers(v4l2object);
/* Map the buffers */
GST_LOG_OBJECT(v4l2object->dbg_obj, "initiating buffer pool");
if (!(v4l2object->pool = gst_aml_v4l2_buffer_pool_new(v4l2object, caps)))
goto buffer_pool_new_failed;
GST_AML_V4L2_SET_ACTIVE(v4l2object);
return TRUE;
/* ERRORS */
buffer_pool_new_failed:
{
GST_ELEMENT_ERROR(v4l2object->element, RESOURCE, READ,
(_("Could not map buffers from device '%s'"),
v4l2object->videodev),
("Failed to create buffer pool: %s", g_strerror(errno)));
return FALSE;
}
method_not_supported:
{
GST_ELEMENT_ERROR(v4l2object->element, RESOURCE, READ,
(_("The driver of device '%s' does not support the IO method %d"),
v4l2object->videodev, mode),
(NULL));
return FALSE;
}
no_supported_capture_method:
{
GST_ELEMENT_ERROR(v4l2object->element, RESOURCE, READ,
(_("The driver of device '%s' does not support any known IO "
"method."),
v4l2object->videodev),
(NULL));
return FALSE;
}
}
static void
gst_aml_v4l2_object_set_stride(GstVideoInfo *info, GstVideoAlignment *align,
gint plane, gint stride)
{
const GstVideoFormatInfo *finfo = info->finfo;
if (GST_VIDEO_FORMAT_INFO_IS_TILED(finfo))
{
gint x_tiles, y_tiles, ws, hs, tile_height, padded_height;
ws = GST_VIDEO_FORMAT_INFO_TILE_WS(finfo);
hs = GST_VIDEO_FORMAT_INFO_TILE_HS(finfo);
tile_height = 1 << hs;
padded_height = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(finfo, plane,
info->height + align->padding_top + align->padding_bottom);
padded_height = GST_ROUND_UP_N(padded_height, tile_height);
x_tiles = stride >> ws;
y_tiles = padded_height >> hs;
info->stride[plane] = GST_VIDEO_TILE_MAKE_STRIDE(x_tiles, y_tiles);
}
else
{
info->stride[plane] = stride;
}
}
static void
gst_aml_v4l2_object_extrapolate_info(GstAmlV4l2Object *v4l2object,
GstVideoInfo *info, GstVideoAlignment *align, gint stride)
{
const GstVideoFormatInfo *finfo = info->finfo;
gint i, estride, padded_height;
gsize offs = 0;
g_return_if_fail(v4l2object->n_v4l2_planes == 1);
padded_height = info->height + align->padding_top + align->padding_bottom;
for (i = 0; i < finfo->n_planes; i++)
{
estride = gst_aml_v4l2_object_extrapolate_stride(finfo, i, stride);
gst_aml_v4l2_object_set_stride(info, align, i, estride);
info->offset[i] = offs;
offs += estride *
GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(finfo, i, padded_height);
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"Extrapolated for plane %d with base stride %d: "
"stride %d, offset %" G_GSIZE_FORMAT,
i, stride, info->stride[i],
info->offset[i]);
}
/* Update the image size according the amount of data we are going to
* read/write. This workaround bugs in driver where the sizeimage provided
* by TRY/S_FMT represent the buffer length (maximum size) rather then the expected
* bytesused (buffer size). */
if (offs < info->size)
info->size = offs;
}
static void
gst_aml_v4l2_object_save_format(GstAmlV4l2Object *v4l2object,
struct v4l2_fmtdesc *fmtdesc, struct v4l2_format *format,
GstVideoInfo *info, GstVideoAlignment *align)
{
const GstVideoFormatInfo *finfo = info->finfo;
gboolean standard_stride = TRUE;
gint stride, pstride, padded_width, padded_height, i;
if (GST_VIDEO_INFO_FORMAT(info) == GST_VIDEO_FORMAT_ENCODED)
{
v4l2object->n_v4l2_planes = 1;
info->size = format->fmt.pix.sizeimage;
goto store_info;
}
/* adjust right padding */
if (V4L2_TYPE_IS_MULTIPLANAR(v4l2object->type))
stride = format->fmt.pix_mp.plane_fmt[0].bytesperline;
else
stride = format->fmt.pix.bytesperline;
pstride = GST_VIDEO_FORMAT_INFO_PSTRIDE(finfo, 0);
if (pstride)
{
padded_width = stride / pstride;
}
else
{
/* pstride can be 0 for complex formats */
GST_WARNING_OBJECT(v4l2object->element,
"format %s has a pstride of 0, cannot compute padded with",
gst_video_format_to_string(GST_VIDEO_INFO_FORMAT(info)));
padded_width = stride;
}
if (padded_width < format->fmt.pix.width)
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Driver bug detected, stride (%d) is too small for the width (%d)",
padded_width, format->fmt.pix.width);
align->padding_right = padded_width - info->width - align->padding_left;
/* adjust bottom padding */
padded_height = format->fmt.pix.height;
if (GST_VIDEO_FORMAT_INFO_IS_TILED(finfo))
{
guint hs, tile_height;
hs = GST_VIDEO_FORMAT_INFO_TILE_HS(finfo);
tile_height = 1 << hs;
padded_height = GST_ROUND_UP_N(padded_height, tile_height);
}
align->padding_bottom = padded_height - info->height - align->padding_top;
/* setup the strides and offset */
if (V4L2_TYPE_IS_MULTIPLANAR(v4l2object->type))
{
struct v4l2_pix_format_mplane *pix_mp = &format->fmt.pix_mp;
/* figure out the frame layout */
v4l2object->n_v4l2_planes = MAX(1, pix_mp->num_planes);
info->size = 0;
for (i = 0; i < v4l2object->n_v4l2_planes; i++)
{
stride = pix_mp->plane_fmt[i].bytesperline;
if (info->stride[i] != stride)
standard_stride = FALSE;
gst_aml_v4l2_object_set_stride(info, align, i, stride);
info->offset[i] = info->size;
info->size += pix_mp->plane_fmt[i].sizeimage;
}
/* Extrapolate stride if planar format are being set in 1 v4l2 plane */
if (v4l2object->n_v4l2_planes < finfo->n_planes)
{
stride = format->fmt.pix_mp.plane_fmt[0].bytesperline;
gst_aml_v4l2_object_extrapolate_info(v4l2object, info, align, stride);
}
}
else
{
/* only one plane in non-MPLANE mode */
v4l2object->n_v4l2_planes = 1;
info->size = format->fmt.pix.sizeimage;
stride = format->fmt.pix.bytesperline;
if (info->stride[0] != stride)
standard_stride = FALSE;
gst_aml_v4l2_object_extrapolate_info(v4l2object, info, align, stride);
}
/* adjust the offset to take into account left and top */
if (GST_VIDEO_FORMAT_INFO_IS_TILED(finfo))
{
if ((align->padding_left + align->padding_top) > 0)
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Left and top padding is not permitted for tiled formats");
}
else
{
for (i = 0; i < finfo->n_planes; i++)
{
gint vedge, hedge;
/* FIXME we assume plane as component as this is true for all supported
* format we support. */
hedge = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(finfo, i, align->padding_left);
vedge = GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT(finfo, i, align->padding_top);
info->offset[i] += (vedge * info->stride[i]) +
(hedge * GST_VIDEO_INFO_COMP_PSTRIDE(info, i));
}
}
store_info:
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Got sizeimage %" G_GSIZE_FORMAT,
info->size);
/* to avoid copies we need video meta if there is padding */
v4l2object->need_video_meta =
((align->padding_top + align->padding_left + align->padding_right +
align->padding_bottom) != 0);
/* ... or if stride is non "standard" */
if (!standard_stride)
v4l2object->need_video_meta = TRUE;
/* ... or also video meta if we use multiple, non-contiguous, planes */
if (v4l2object->n_v4l2_planes > 1)
v4l2object->need_video_meta = TRUE;
v4l2object->info = *info;
v4l2object->align = *align;
v4l2object->format = *format;
v4l2object->fmtdesc = fmtdesc;
/* if we have a framerate pre-calculate duration */
if (info->fps_n > 0 && info->fps_d > 0)
{
v4l2object->duration = gst_util_uint64_scale_int(GST_SECOND, info->fps_d,
info->fps_n);
}
else
{
v4l2object->duration = GST_CLOCK_TIME_NONE;
}
}
gint gst_aml_v4l2_object_extrapolate_stride(const GstVideoFormatInfo *finfo,
gint plane, gint stride)
{
gint estride;
switch (finfo->format)
{
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV12_64Z32:
case GST_VIDEO_FORMAT_NV21:
case GST_VIDEO_FORMAT_NV16:
case GST_VIDEO_FORMAT_NV61:
case GST_VIDEO_FORMAT_NV24:
estride = (plane == 0 ? 1 : 2) *
GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(finfo, plane, stride);
break;
default:
estride = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH(finfo, plane, stride);
break;
}
return estride;
}
static gboolean
gst_aml_v4l2_video_colorimetry_matches(const GstVideoColorimetry *cinfo,
const gchar *color)
{
GstVideoColorimetry ci;
static const GstVideoColorimetry ci_likely_jpeg = {
GST_VIDEO_COLOR_RANGE_0_255, GST_VIDEO_COLOR_MATRIX_BT601,
GST_VIDEO_TRANSFER_UNKNOWN, GST_VIDEO_COLOR_PRIMARIES_UNKNOWN};
static const GstVideoColorimetry ci_jpeg = {
GST_VIDEO_COLOR_RANGE_0_255, GST_VIDEO_COLOR_MATRIX_BT601,
GST_VIDEO_TRANSFER_SRGB, GST_VIDEO_COLOR_PRIMARIES_BT709};
if (!gst_video_colorimetry_from_string(&ci, color))
return FALSE;
if (gst_video_colorimetry_is_equal(&ci, cinfo))
return TRUE;
/* Allow 1:4:0:0 (produced by jpegdec) if the device expects 1:4:7:1 */
if (gst_video_colorimetry_is_equal(&ci, &ci_likely_jpeg) && gst_video_colorimetry_is_equal(cinfo, &ci_jpeg))
return TRUE;
return FALSE;
}
static gboolean needSpecConfigForFg(GstAmlV4l2Object *v4l2object)
{
gboolean result= FALSE;
int fd = -1;
char valstr[64];
const char* path= "/sys/class/video/film_grain_support";
uint32_t val= 0;
struct v4l2_control ctl;
GST_LOG("configForFilmGrain: enter");
fd = open(path, O_RDONLY|O_CLOEXEC);
if ( fd < 0 )
{
GST_DEBUG("unable to open file (%s)", path);
goto exit;
}
memset(valstr, 0, sizeof(valstr));
if (read(fd, valstr, sizeof(valstr) - 1) == -1 )
{
GST_DEBUG("unable to read fg flag");
goto exit;
}
valstr[strlen(valstr)] = '\0';
if ( sscanf(valstr, "%u", &val) < 1)
{
GST_DEBUG("unable to get flag from: (%s)", valstr);
goto exit;
}
GST_LOG("got film_grain_support:%d from node", val);
if (val != 0)
{
goto exit;
}
memset( &ctl, 0, sizeof(ctl));
ctl.id= AML_V4L2_GET_FILMGRAIN_INFO;
v4l2object->ioctl(v4l2object->video_fd, VIDIOC_G_CTRL, ctl);
GST_LOG("got VIDIOC_G_CTRL value: %d", ctl.value);
if (ctl.value == 0)
{
goto exit;
}
result= TRUE;
exit:
if ( fd >= 0 )
{
close(fd);
}
GST_LOG("configForFilmGrain: exit: result %d", result);
return result;
}
static gboolean
get_amlogic_vdec_parm(GstAmlV4l2Object *v4l2object, struct v4l2_streamparm *streamparm)
{
struct v4l2_ext_control control;
struct v4l2_ext_controls ctrls;
gboolean use_ext_config = FALSE;
int major = 0,minor = 0;
struct utsname info;
struct aml_dec_params *pdecParm = (struct aml_dec_params *)streamparm->parm.raw_data;
if (uname(&info) || sscanf(info.release, "%d.%d", &major, &minor) <= 0)
{
GST_DEBUG("get linux version failed");
return FALSE;
}
GST_DEBUG("linux major version %d %d", major,minor);
use_ext_config = ((major == 5 && minor >= 15) || major >= 6) ? TRUE: FALSE;
if (use_ext_config)
{
memset(&ctrls, 0, sizeof(ctrls));
memset(&control, 0, sizeof(control));
control.id = AML_V4L2_DEC_PARMS_CONFIG;
control.ptr = pdecParm;
control.size = sizeof(struct aml_dec_params);
ctrls.count = 1;
ctrls.controls = &control;
if (v4l2object->ioctl( v4l2object->video_fd, VIDIOC_G_EXT_CTRLS, &ctrls ) <0)
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "get vdec parm fail");
return FALSE;
}
GST_DEBUG("dw: %d, flag: %d, status: %d, margin: %d",pdecParm->cfg.double_write_mode,
pdecParm->cfg.metadata_config_flag, pdecParm->parms_status, pdecParm->cfg.ref_buf_margin);
}
else
{
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_G_PARM, streamparm) < 0)
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "get vdec parm fail");
return FALSE;
}
}
return TRUE;
}
static int gst_aml_config_dw(GstAmlV4l2Object *v4l2object, guint32 pixFormat, guint width, guint height, gboolean interlace)
{
const char *env_dw;
int double_write = VDEC_DW_NO_AFBC;
GST_DEBUG("pixFormat: %d", pixFormat);
switch (pixFormat)
{
case V4L2_PIX_FMT_MPEG:
case V4L2_PIX_FMT_MPEG1:
case V4L2_PIX_FMT_MPEG2:
case V4L2_PIX_FMT_MPEG4:
double_write = VDEC_DW_NO_AFBC;
break;
case V4L2_PIX_FMT_H264:
{
if (width > 1920 && height > 1080 && interlace)
double_write = VDEC_DW_AFBC_1_4_DW;
else
double_write = VDEC_DW_NO_AFBC;
break;
}
case V4L2_PIX_FMT_HEVC:
double_write = VDEC_DW_AFBC_AUTO_1_4;
if (interlace)
double_write = VDEC_DW_AFBC_1_1_DW;
if (v4l2object->low_memory_mode)
double_write = VDEC_DW_AFBC_ONLY;
break;
case V4L2_PIX_FMT_VP9:
case V4L2_PIX_FMT_AV1:
double_write = v4l2object->low_memory_mode ? VDEC_DW_AFBC_ONLY:VDEC_DW_AFBC_AUTO_1_4;
break;
default:
GST_WARNING("unknown video format %d", pixFormat);
break;
}
env_dw = getenv("V4L2_SET_AMLOGIC_DW_MODE");
if (env_dw)
double_write = atoi(env_dw);
return double_write;
}
static void
set_amlogic_vdec_parm(GstAmlV4l2Object *v4l2object, struct v4l2_streamparm *streamparm, GstCaps *caps, guint32 pixFormat)
{
struct aml_dec_params *decParm = (struct aml_dec_params *)streamparm->parm.raw_data;
const char *env;
struct v4l2_ext_control control;
struct v4l2_ext_controls ctrls;
gboolean use_ext_config = FALSE;
int major = 0, minor = 0;
struct utsname info;
gboolean is_interlaced = FALSE;
guint width = 0, height = 0;
streamparm->type = v4l2object->type;
if (getenv("V4L2DEC_LOW_MEM_MODE"))
v4l2object->low_memory_mode = TRUE;
GST_DEBUG("low mem: %d",v4l2object->low_memory_mode);
if (uname(&info) || sscanf(info.release, "%d.%d", &major, &minor) <= 0)
{
GST_DEBUG("get linux version failed");
}
GST_DEBUG("linux major version %d %d", major,minor);
use_ext_config = ((major == 5 && minor >= 15) || major >= 6) ? TRUE: FALSE;
GstStructure *structure = gst_caps_get_structure(caps, 0);
if (structure == NULL)
{
return;
}
gst_structure_get_uint(structure,"width",&width);
gst_structure_get_uint(structure,"height",&height);
if (gst_structure_has_field(structure, "interlace-mode"))
{
const gchar *mode = gst_structure_get_string(structure,"interlace-mode");
is_interlaced = !strcmp(mode, "progressive") ? FALSE:TRUE;
GST_DEBUG("is_interlaced: %d",is_interlaced);
}
if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || v4l2object->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
{
/*set bit12 value to 1,
*v4l2 output 0 pts of second interlace field frame */
decParm->cfg.metadata_config_flag |= (1 << 12);
decParm->parms_status = V4L2_CONFIG_PARM_DECODE_CFGINFO;
decParm->cfg.metadata_config_flag |= 1 << 13;
/*set bit18 value to 1
*release vpp in advance */
decParm->cfg.metadata_config_flag |= (1 << 18);
decParm->cfg.low_latency_mode = v4l2object->low_latency_mode;
if (v4l2object->enable_nr)
{
GST_DEBUG("enable nr in di");
decParm->cfg.metadata_config_flag |= (1 << 14);
decParm->cfg.metadata_config_flag |= (1 << 15);
}
decParm->cfg.double_write_mode = gst_aml_config_dw(v4l2object, pixFormat, width, height, is_interlaced);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "output cfg dw mode to %d", decParm->cfg.double_write_mode);
v4l2object->dw_mode = decParm->cfg.double_write_mode;
decParm->cfg.ref_buf_margin = GST_AML_V4L2_DEFAULT_CAP_BUF_MARGIN;
env = getenv("V4L2_SET_AMLOGIC_MARGIN_NUM");
if (env)
{
decParm->cfg.ref_buf_margin = atoi(env);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "output cfg margin to %d", decParm->cfg.ref_buf_margin);
}
// d v
gboolean bl_present_flag, el_present_flag;
int dvBaseLayerPresent = -1;
int dvEnhancementLayerPresent = -1;
/* have base and enhancement layers both, that means its dual layer,
d v two layer flag will be true */
if (gst_structure_get_boolean( structure, "bl_present_flag", &bl_present_flag))
{
dvBaseLayerPresent= bl_present_flag?1:0;
}
if (gst_structure_get_boolean( structure, "el_present_flag", &el_present_flag))
{
dvEnhancementLayerPresent= el_present_flag?1:0;
}
/* have base and enhancement layers both, that means its dual layer, dv two layer flag will be true */
if ( (dvBaseLayerPresent == 1) && (dvEnhancementLayerPresent == 1) )
{
decParm->cfg.metadata_config_flag |= (1 << 0);
}
else
{
decParm->cfg.metadata_config_flag |= (0 << 0);
}
/* have one of then, it's standard dv stream, Non-standard dv flag will be false */
if ( (dvBaseLayerPresent == 0) && (dvEnhancementLayerPresent == 0) )
{
decParm->cfg.metadata_config_flag |= (1 << 1);
}
else
{
decParm->cfg.metadata_config_flag |= (0 << 1);
}
// HDR
if ( gst_structure_has_field(structure, "colorimetry") )
{
const char *colorimetry= gst_structure_get_string(structure,"colorimetry");
GstVideoColorimetry vci = {0};
if ( colorimetry && gst_video_colorimetry_from_string( &vci, colorimetry ))
{
decParm->parms_status |= V4L2_CONFIG_PARM_DECODE_HDRINFO;
decParm->hdr.signal_type= (1<<29); /* present flag */
/*set default value, this is to keep up with driver hdr info synchronization*/
decParm->hdr.signal_type |= (5<<26) | (1<<24);
gint hdrColorimetry[4] = {0};
hdrColorimetry[0]= (int)vci.range;
hdrColorimetry[1]= (int)vci.matrix;
hdrColorimetry[2]= (int)vci.transfer;
hdrColorimetry[3]= (int)vci.primaries;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "colorimetry: [%d,%d,%d,%d]",
hdrColorimetry[0],
hdrColorimetry[1],
hdrColorimetry[2],
hdrColorimetry[3] );
/* range */
switch ( hdrColorimetry[0] )
{
case GST_VIDEO_COLOR_RANGE_0_255:
case GST_VIDEO_COLOR_RANGE_16_235:
decParm->hdr.signal_type |= ((hdrColorimetry[0] % 2)<<25);
break;
default:
break;
}
/* matrix coefficient */
switch ( hdrColorimetry[1] )
{
case GST_VIDEO_COLOR_MATRIX_RGB: /* RGB */
decParm->hdr.signal_type |= 0;
break;
case GST_VIDEO_COLOR_MATRIX_FCC: /* FCC */
decParm->hdr.signal_type |= 4;
break;
case GST_VIDEO_COLOR_MATRIX_BT709: /* BT709 */
decParm->hdr.signal_type |= 1;
break;
case GST_VIDEO_COLOR_MATRIX_BT601: /* BT601 */
decParm->hdr.signal_type |= 3;
break;
case GST_VIDEO_COLOR_MATRIX_SMPTE240M: /* SMPTE240M */
decParm->hdr.signal_type |= 7;
break;
case GST_VIDEO_COLOR_MATRIX_BT2020: /* BT2020 */
decParm->hdr.signal_type |= 9;
break;
default: /* unknown */
decParm->hdr.signal_type |= 2;
break;
}
/* transfer function */
switch ( hdrColorimetry[2] )
{
case GST_VIDEO_TRANSFER_BT709: /* BT709 */
decParm->hdr.signal_type |= (1<<8);
break;
case GST_VIDEO_TRANSFER_SMPTE240M: /* SMPTE240M */
decParm->hdr.signal_type |= (7<<8);
break;
case GST_VIDEO_TRANSFER_LOG100: /* LOG100 */
decParm->hdr.signal_type |= (9<<8);
break;
case GST_VIDEO_TRANSFER_LOG316: /* LOG316 */
decParm->hdr.signal_type |= (10<<8);
break;
case GST_VIDEO_TRANSFER_BT2020_12: /* BT2020_12 */
decParm->hdr.signal_type |= (15<<8);
break;
case GST_VIDEO_TRANSFER_BT2020_10: /* BT2020_10 */
decParm->hdr.signal_type |= (14<<8);
break;
#if ((GST_VERSION_MAJOR == 1) && (GST_VERSION_MINOR >= 18))
case GST_VIDEO_TRANSFER_SMPTE2084: /* SMPTE2084 */
decParm->hdr.signal_type |= (16<<8);
break;
#else
case GST_VIDEO_TRANSFER_SMPTE_ST_2084: /* SMPTE2084 */
decParm->hdr.signal_type |= (16<<8);
break;
#endif
case GST_VIDEO_TRANSFER_ARIB_STD_B67: /* ARIB_STD_B67 */
decParm->hdr.signal_type |= (18<<8);
break;
#if ((GST_VERSION_MAJOR == 1) && (GST_VERSION_MINOR >= 18))
case GST_VIDEO_TRANSFER_BT601: /* BT601 */
decParm->hdr.signal_type |= (3<<8);
break;
#endif
case GST_VIDEO_TRANSFER_GAMMA10: /* GAMMA10 */
case GST_VIDEO_TRANSFER_GAMMA18: /* GAMMA18 */
case GST_VIDEO_TRANSFER_GAMMA20: /* GAMMA20 */
case GST_VIDEO_TRANSFER_GAMMA22: /* GAMMA22 */
case GST_VIDEO_TRANSFER_SRGB: /* SRGB */
case GST_VIDEO_TRANSFER_GAMMA28: /* GAMMA28 */
case GST_VIDEO_TRANSFER_ADOBERGB: /* ADOBERGB */
default:
break;
}
/* primaries */
switch ( hdrColorimetry[3] )
{
case GST_VIDEO_COLOR_PRIMARIES_BT709: /* BT709 */
decParm->hdr.signal_type |= ((1<<24)|(1<<16));
break;
case GST_VIDEO_COLOR_PRIMARIES_BT470M: /* BT470M */
decParm->hdr.signal_type |= ((1<<24)|(4<<16));
break;
case GST_VIDEO_COLOR_PRIMARIES_BT470BG: /* BT470BG */
decParm->hdr.signal_type |= ((1<<24)|(5<<16));
break;
case GST_VIDEO_COLOR_PRIMARIES_SMPTE170M: /* SMPTE170M */
decParm->hdr.signal_type |= ((1<<24)|(6<<16));
break;
case GST_VIDEO_COLOR_PRIMARIES_SMPTE240M: /* SMPTE240M */
decParm->hdr.signal_type |= ((1<<24)|(7<<16));
break;
case GST_VIDEO_COLOR_PRIMARIES_FILM: /* FILM */
decParm->hdr.signal_type |= ((1<<24)|(8<<16));
break;
case GST_VIDEO_COLOR_PRIMARIES_BT2020: /* BT2020 */
decParm->hdr.signal_type |= ((1<<24)|(9<<16));
break;
case GST_VIDEO_COLOR_PRIMARIES_ADOBERGB: /* ADOBERGB */
default:
break;
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "HDR signal_type %X", decParm->hdr.signal_type);
}
//why remove this colorimetry?
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "got caps %" GST_PTR_FORMAT, caps);
GstStructure *st = gst_caps_get_structure(caps, 0);
GstCapsFeatures *features = gst_caps_get_features(caps, 0);
if (gst_structure_has_field(st, "colorimetry"))
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "have colorimetry");
}
if (st && features)
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "trace in remove colorimetry");
gst_structure_remove_field(st, "colorimetry");
gst_caps_features_remove(features, "colorimetry");
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "caps after remove colorimetry %" GST_PTR_FORMAT, caps);
}
const char * field = NULL;
if (gst_structure_has_field(structure, "mastering-display-metadata")) {
field = "mastering-display-metadata";
} else if (gst_structure_has_field(structure, "mastering-display-info")) {
field = "mastering-display-info";
}
if ( field )
{
const char *masteringDisplay= gst_structure_get_string(structure, field);
float hdrMasteringDisplay[10];
if ( masteringDisplay && sscanf( masteringDisplay, "%f:%f:%f:%f:%f:%f:%f:%f:%f:%f",
&hdrMasteringDisplay[0],
&hdrMasteringDisplay[1],
&hdrMasteringDisplay[2],
&hdrMasteringDisplay[3],
&hdrMasteringDisplay[4],
&hdrMasteringDisplay[5],
&hdrMasteringDisplay[6],
&hdrMasteringDisplay[7],
&hdrMasteringDisplay[8],
&hdrMasteringDisplay[9] ) == 10 )
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "mastering display [%f,%f,%f,%f,%f,%f,%f,%f,%f,%f]",
hdrMasteringDisplay[0],
hdrMasteringDisplay[1],
hdrMasteringDisplay[2],
hdrMasteringDisplay[3],
hdrMasteringDisplay[4],
hdrMasteringDisplay[5],
hdrMasteringDisplay[6],
hdrMasteringDisplay[7],
hdrMasteringDisplay[8],
hdrMasteringDisplay[9] );
decParm->hdr.color_parms.present_flag= 1;
decParm->hdr.color_parms.primaries[2][0]= (uint32_t)(hdrMasteringDisplay[0]*50000); /* R.x */
decParm->hdr.color_parms.primaries[2][1]= (uint32_t)(hdrMasteringDisplay[1]*50000); /* R.y */
decParm->hdr.color_parms.primaries[0][0]= (uint32_t)(hdrMasteringDisplay[2]*50000); /* G.x */
decParm->hdr.color_parms.primaries[0][1]= (uint32_t)(hdrMasteringDisplay[3]*50000); /* G.y */
decParm->hdr.color_parms.primaries[1][0]= (uint32_t)(hdrMasteringDisplay[4]*50000); /* B.x */
decParm->hdr.color_parms.primaries[1][1]= (uint32_t)(hdrMasteringDisplay[5]*50000); /* B.y */
decParm->hdr.color_parms.white_point[0]= (uint32_t)(hdrMasteringDisplay[6]*50000);
decParm->hdr.color_parms.white_point[1]= (uint32_t)(hdrMasteringDisplay[7]*50000);
decParm->hdr.color_parms.luminance[0]= (uint32_t)(hdrMasteringDisplay[8]);
decParm->hdr.color_parms.luminance[1]= (uint32_t)(hdrMasteringDisplay[9]);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "HDR mastering: primaries %X %X %X %X %X %X",
decParm->hdr.color_parms.primaries[2][0],
decParm->hdr.color_parms.primaries[2][1],
decParm->hdr.color_parms.primaries[0][0],
decParm->hdr.color_parms.primaries[0][1],
decParm->hdr.color_parms.primaries[1][0],
decParm->hdr.color_parms.primaries[1][1] );
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "HDR mastering: white point: %X %X",
decParm->hdr.color_parms.white_point[0],
decParm->hdr.color_parms.white_point[1] );
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "HDR mastering: luminance: %X %X",
decParm->hdr.color_parms.luminance[0],
decParm->hdr.color_parms.luminance[1] );
}
GstStructure *st = gst_caps_get_structure(caps, 0);
GstCapsFeatures * features = gst_caps_get_features(caps, 0);
if (st && features)
{
gst_structure_remove_fields(st, field, NULL);
gst_caps_features_remove(features, field);
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "caps after remove %s %" GST_PTR_FORMAT, field, caps);
}
}
else if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
{
GstAmlV4l2VideoDec *self = (GstAmlV4l2VideoDec*) v4l2object->element;
if (!get_amlogic_vdec_parm(v4l2object, streamparm))
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "can't get vdec parm");
return;
}
decParm->cfg.double_write_mode = gst_aml_config_dw(v4l2object, self->v4l2output->fmtdesc->pixelformat,
width, height, is_interlaced);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "capture cfg dw mode to %d", decParm->cfg.double_write_mode);
if (needSpecConfigForFg(v4l2object))
{
decParm->cfg.double_write_mode = VDEC_DW_MMU_1;
GST_DEBUG_OBJECT(v4l2object->dbg_obj,"set fg dw mode %d", decParm->cfg.double_write_mode);
}
v4l2object->dw_mode = decParm->cfg.double_write_mode;
}
else
{
GST_ERROR_OBJECT(v4l2object->dbg_obj,"can't deal with. please check buffer type.");
return;
}
if (use_ext_config)
{
memset(&ctrls, 0, sizeof(ctrls));
memset(&control, 0, sizeof(control));
control.id = AML_V4L2_DEC_PARMS_CONFIG;
control.ptr = decParm;
control.size = sizeof(struct aml_dec_params);
ctrls.count = 1;
ctrls.controls = &control;
if (v4l2object->ioctl( v4l2object->video_fd, VIDIOC_S_EXT_CTRLS, &ctrls ) < 0)
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "set vdec parm fail");
}
}
else
{
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_S_PARM, streamparm) < 0)
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "set vdec parm fail");
}
}
}
static gboolean
gst_aml_v4l2_object_set_format_full(GstAmlV4l2Object *v4l2object, GstCaps *caps,
gboolean try_only, GstAmlV4l2Error *error)
{
gint fd = v4l2object->video_fd;
struct v4l2_format format;
struct v4l2_streamparm streamparm;
enum v4l2_field field;
guint32 pixelformat;
struct v4l2_fmtdesc *fmtdesc;
GstVideoInfo info;
GstVideoAlignment align;
gint width, height, fps_n, fps_d;
gint n_v4l_planes;
gint i = 0;
gboolean is_mplane;
enum v4l2_colorspace colorspace = 0;
enum v4l2_quantization range = 0;
enum v4l2_ycbcr_encoding matrix = 0;
enum v4l2_xfer_func transfer = 0;
GstStructure *s;
gboolean disable_colorimetry = FALSE;
g_return_val_if_fail(!v4l2object->skip_try_fmt_probes ||
gst_caps_is_writable(caps),
FALSE);
GST_AML_V4L2_CHECK_OPEN(v4l2object);
if (!try_only)
GST_AML_V4L2_CHECK_NOT_ACTIVE(v4l2object);
is_mplane = V4L2_TYPE_IS_MULTIPLANAR(v4l2object->type);
gst_video_info_init(&info);
gst_video_alignment_reset(&align);
if (!gst_aml_v4l2_object_get_caps_info(v4l2object, caps, &fmtdesc, &info))
goto invalid_caps;
pixelformat = fmtdesc->pixelformat;
width = GST_VIDEO_INFO_WIDTH(&info);
height = GST_VIDEO_INFO_HEIGHT(&info);
fps_n = GST_VIDEO_INFO_FPS_N(&info);
fps_d = GST_VIDEO_INFO_FPS_D(&info);
GST_DEBUG_OBJECT (v4l2object->dbg_obj, "Check image size");
struct v4l2_frmsizeenum size;
memset (&size, 0, sizeof (struct v4l2_frmsizeenum));
size.index = 0;
size.pixel_format = pixelformat;
if (v4l2object->ioctl (fd, VIDIOC_ENUM_FRAMESIZES, &size) < 0)
return FALSE;
if (size.type == V4L2_FRMSIZE_TYPE_STEPWISE)
{
guint32 maxw, maxh;
maxw = MIN (size.stepwise.max_width, G_MAXINT);
maxh = MIN (size.stepwise.max_height, G_MAXINT);
GST_DEBUG_OBJECT (v4l2object->dbg_obj, "image from caps w_h:%d_%d", width, height);
GST_DEBUG_OBJECT (v4l2object->dbg_obj, "v4l2 support max w_h:%d_%d", maxw, maxh);
if (width*height > maxw*maxh)
return FALSE;
GST_DEBUG_OBJECT (v4l2object->dbg_obj, "Check image size ok");
}
//set amlogic params here,because we need pix format to set dw mode
memset(&streamparm, 0x00, sizeof(struct v4l2_streamparm));
set_amlogic_vdec_parm(v4l2object, &streamparm, caps, pixelformat);
/* if encoded format (GST_VIDEO_INFO_N_PLANES return 0)
* or if contiguous is prefered */
n_v4l_planes = GST_VIDEO_INFO_N_PLANES(&info);
if (!n_v4l_planes || !v4l2object->prefered_non_contiguous)
n_v4l_planes = 1;
if (GST_VIDEO_INFO_IS_INTERLACED(&info))
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "interlaced video");
/* ideally we would differentiate between types of interlaced video
* but there is not sufficient information in the caps..
*/
field = V4L2_FIELD_INTERLACED;
}
else
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "progressive video");
field = V4L2_FIELD_NONE;
}
/* We first pick the main colorspace from the primaries */
switch (info.colorimetry.primaries)
{
case GST_VIDEO_COLOR_PRIMARIES_BT709:
/* There is two colorspaces using these primaries, use the range to
* differentiate */
if (info.colorimetry.range == GST_VIDEO_COLOR_RANGE_16_235)
colorspace = V4L2_COLORSPACE_REC709;
else
colorspace = V4L2_COLORSPACE_SRGB;
break;
case GST_VIDEO_COLOR_PRIMARIES_BT2020:
colorspace = V4L2_COLORSPACE_BT2020;
break;
case GST_VIDEO_COLOR_PRIMARIES_BT470M:
colorspace = V4L2_COLORSPACE_470_SYSTEM_M;
break;
case GST_VIDEO_COLOR_PRIMARIES_BT470BG:
colorspace = V4L2_COLORSPACE_470_SYSTEM_BG;
break;
case GST_VIDEO_COLOR_PRIMARIES_SMPTE170M:
colorspace = V4L2_COLORSPACE_SMPTE170M;
break;
case GST_VIDEO_COLOR_PRIMARIES_SMPTE240M:
colorspace = V4L2_COLORSPACE_SMPTE240M;
break;
case GST_VIDEO_COLOR_PRIMARIES_FILM:
case GST_VIDEO_COLOR_PRIMARIES_UNKNOWN:
/* We don't know, we will guess */
break;
default:
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unknown colorimetry primaries %d", info.colorimetry.primaries);
break;
}
switch (info.colorimetry.range)
{
case GST_VIDEO_COLOR_RANGE_0_255:
range = V4L2_QUANTIZATION_FULL_RANGE;
break;
case GST_VIDEO_COLOR_RANGE_16_235:
range = V4L2_QUANTIZATION_LIM_RANGE;
break;
case GST_VIDEO_COLOR_RANGE_UNKNOWN:
/* We let the driver pick a default one */
break;
default:
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unknown colorimetry range %d", info.colorimetry.range);
break;
}
switch (info.colorimetry.matrix)
{
case GST_VIDEO_COLOR_MATRIX_RGB:
/* Unspecified, leave to default */
break;
/* FCC is about the same as BT601 with less digit */
case GST_VIDEO_COLOR_MATRIX_FCC:
case GST_VIDEO_COLOR_MATRIX_BT601:
matrix = V4L2_YCBCR_ENC_601;
break;
case GST_VIDEO_COLOR_MATRIX_BT709:
matrix = V4L2_YCBCR_ENC_709;
break;
case GST_VIDEO_COLOR_MATRIX_SMPTE240M:
matrix = V4L2_YCBCR_ENC_SMPTE240M;
break;
case GST_VIDEO_COLOR_MATRIX_BT2020:
matrix = V4L2_YCBCR_ENC_BT2020;
break;
case GST_VIDEO_COLOR_MATRIX_UNKNOWN:
/* We let the driver pick a default one */
break;
default:
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unknown colorimetry matrix %d", info.colorimetry.matrix);
break;
}
switch (info.colorimetry.transfer)
{
case GST_VIDEO_TRANSFER_GAMMA18:
case GST_VIDEO_TRANSFER_GAMMA20:
case GST_VIDEO_TRANSFER_GAMMA22:
case GST_VIDEO_TRANSFER_GAMMA28:
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"GAMMA 18, 20, 22, 28 transfer functions not supported");
/* fallthrough */
case GST_VIDEO_TRANSFER_GAMMA10:
transfer = V4L2_XFER_FUNC_NONE;
break;
case GST_VIDEO_TRANSFER_BT2020_12:
case GST_VIDEO_TRANSFER_BT709:
transfer = V4L2_XFER_FUNC_709;
break;
case GST_VIDEO_TRANSFER_SMPTE240M:
transfer = V4L2_XFER_FUNC_SMPTE240M;
break;
case GST_VIDEO_TRANSFER_SRGB:
transfer = V4L2_XFER_FUNC_SRGB;
break;
case GST_VIDEO_TRANSFER_LOG100:
case GST_VIDEO_TRANSFER_LOG316:
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"LOG 100, 316 transfer functions not supported");
/* FIXME No known sensible default, maybe AdobeRGB ? */
break;
case GST_VIDEO_TRANSFER_UNKNOWN:
/* We let the driver pick a default one */
break;
default:
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Unknown colorimetry tranfer %d", info.colorimetry.transfer);
break;
}
if (colorspace == 0)
{
/* Try to guess colorspace according to pixelformat and size */
if (GST_VIDEO_INFO_IS_YUV(&info))
{
if (range == V4L2_QUANTIZATION_FULL_RANGE && matrix == V4L2_YCBCR_ENC_601 && transfer == 0)
{
/* Full range BT.601 YCbCr encoding with unknown primaries and transfer
* function most likely is JPEG */
colorspace = V4L2_COLORSPACE_JPEG;
transfer = V4L2_XFER_FUNC_SRGB;
}
else
{
/* SD streams likely use SMPTE170M and HD streams REC709 */
if (width <= 720 && height <= 576)
colorspace = V4L2_COLORSPACE_SMPTE170M;
else
colorspace = V4L2_COLORSPACE_REC709;
}
}
else if (GST_VIDEO_INFO_IS_RGB(&info))
{
colorspace = V4L2_COLORSPACE_SRGB;
transfer = V4L2_XFER_FUNC_NONE;
}
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Desired format %dx%d, format "
"%" GST_FOURCC_FORMAT " stride: %d",
width, height,
GST_FOURCC_ARGS(pixelformat), GST_VIDEO_INFO_PLANE_STRIDE(&info, 0));
memset(&format, 0x00, sizeof(struct v4l2_format));
format.type = v4l2object->type;
if (is_mplane)
{
format.type = v4l2object->type;
format.fmt.pix_mp.pixelformat = pixelformat;
format.fmt.pix_mp.width = width;
format.fmt.pix_mp.height = height;
format.fmt.pix_mp.field = field;
format.fmt.pix_mp.num_planes = n_v4l_planes;
/* try to ask our prefered stride but it's not a failure if not
* accepted */
for (i = 0; i < n_v4l_planes; i++)
{
gint stride = GST_VIDEO_INFO_PLANE_STRIDE(&info, i);
if (GST_VIDEO_FORMAT_INFO_IS_TILED(info.finfo))
stride = GST_VIDEO_TILE_X_TILES(stride) << GST_VIDEO_FORMAT_INFO_TILE_WS(info.finfo);
format.fmt.pix_mp.plane_fmt[i].bytesperline = stride;
}
if (GST_VIDEO_INFO_FORMAT(&info) == GST_VIDEO_FORMAT_ENCODED)
{
if (v4l2object->req_mode == GST_V4L2_IO_DMABUF_IMPORT)
format.fmt.pix_mp.plane_fmt[0].sizeimage = 1;
else
format.fmt.pix_mp.plane_fmt[0].sizeimage = v4l2object->low_memory_mode ? LOW_MEM_ENCODED_BUFFER_SIZE : ENCODED_BUFFER_SIZE;
}
}
else
{
gint stride = GST_VIDEO_INFO_PLANE_STRIDE(&info, 0);
format.type = v4l2object->type;
format.fmt.pix.width = width;
format.fmt.pix.height = height;
format.fmt.pix.pixelformat = pixelformat;
format.fmt.pix.field = field;
if (GST_VIDEO_FORMAT_INFO_IS_TILED(info.finfo))
stride = GST_VIDEO_TILE_X_TILES(stride) << GST_VIDEO_FORMAT_INFO_TILE_WS(info.finfo);
/* try to ask our prefered stride */
format.fmt.pix.bytesperline = stride;
if (GST_VIDEO_INFO_FORMAT(&info) == GST_VIDEO_FORMAT_ENCODED)
{
if (v4l2object->req_mode == GST_V4L2_IO_DMABUF_IMPORT)
format.fmt.pix_mp.plane_fmt[0].sizeimage = 1;
else
format.fmt.pix_mp.plane_fmt[0].sizeimage = v4l2object->low_memory_mode ? LOW_MEM_ENCODED_BUFFER_SIZE : ENCODED_BUFFER_SIZE;
}
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Desired format is %dx%d, format "
"%" GST_FOURCC_FORMAT ", nb planes %d",
format.fmt.pix.width,
format.fmt.pix_mp.height,
GST_FOURCC_ARGS(format.fmt.pix.pixelformat),
is_mplane ? format.fmt.pix_mp.num_planes : 1);
#ifndef GST_DISABLE_GST_DEBUG
if (is_mplane)
{
for (i = 0; i < format.fmt.pix_mp.num_planes; i++)
GST_DEBUG_OBJECT(v4l2object->dbg_obj, " stride %d",
format.fmt.pix_mp.plane_fmt[i].bytesperline);
}
else
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, " stride %d",
format.fmt.pix.bytesperline);
}
#endif
if (is_mplane)
{
format.fmt.pix_mp.colorspace = colorspace;
format.fmt.pix_mp.quantization = range;
format.fmt.pix_mp.ycbcr_enc = matrix;
format.fmt.pix_mp.xfer_func = transfer;
}
else
{
format.fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
format.fmt.pix.colorspace = colorspace;
format.fmt.pix.quantization = range;
format.fmt.pix.ycbcr_enc = matrix;
format.fmt.pix.xfer_func = transfer;
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Desired colorspace is %d:%d:%d:%d",
colorspace, range, matrix, transfer);
if (try_only)
{
if (v4l2object->ioctl(fd, VIDIOC_TRY_FMT, &format) < 0)
goto try_fmt_failed;
}
else
{
if (v4l2object->ioctl(fd, VIDIOC_S_FMT, &format) < 0)
goto set_fmt_failed;
}
if (is_mplane)
{
colorspace = format.fmt.pix_mp.colorspace;
range = format.fmt.pix_mp.quantization;
matrix = format.fmt.pix_mp.ycbcr_enc;
transfer = format.fmt.pix_mp.xfer_func;
}
else
{
colorspace = format.fmt.pix.colorspace;
range = format.fmt.pix.quantization;
matrix = format.fmt.pix.ycbcr_enc;
transfer = format.fmt.pix.xfer_func;
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Got format of %dx%d, format "
"%" GST_FOURCC_FORMAT ", nb planes %d, colorspace %d:%d:%d:%d",
format.fmt.pix.width, format.fmt.pix_mp.height,
GST_FOURCC_ARGS(format.fmt.pix.pixelformat),
is_mplane ? format.fmt.pix_mp.num_planes : 1,
colorspace, range, matrix, transfer);
#ifndef GST_DISABLE_GST_DEBUG
if (is_mplane)
{
for (i = 0; i < format.fmt.pix_mp.num_planes; i++)
GST_DEBUG_OBJECT(v4l2object->dbg_obj, " stride %d, sizeimage %d",
format.fmt.pix_mp.plane_fmt[i].bytesperline,
format.fmt.pix_mp.plane_fmt[i].sizeimage);
}
else
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, " stride %d, sizeimage %d",
format.fmt.pix.bytesperline, format.fmt.pix.sizeimage);
}
#endif
if (format.fmt.pix.pixelformat != pixelformat)
goto invalid_pixelformat;
/* Only negotiate size with raw data.
* For some codecs the dimensions are *not* in the bitstream, IIRC VC1
* in ASF mode for example, there is also not reason for a driver to
* change the size. */
if (info.finfo->format != GST_VIDEO_FORMAT_ENCODED)
{
/* We can crop larger images */
if (format.fmt.pix.width < width || format.fmt.pix.height < height)
goto invalid_dimensions;
/* Note, this will be adjusted if upstream has non-centered cropping. */
align.padding_top = 0;
align.padding_bottom = format.fmt.pix.height - height;
align.padding_left = 0;
align.padding_right = format.fmt.pix.width - width;
}
if (is_mplane && format.fmt.pix_mp.num_planes != n_v4l_planes)
goto invalid_planes;
/* used to check colorimetry and interlace mode fields presence */
s = gst_caps_get_structure(caps, 0);
if (!gst_aml_v4l2_object_get_interlace_mode(format.fmt.pix.field,
&info.interlace_mode))
goto invalid_field;
if (gst_structure_has_field(s, "interlace-mode"))
{
if (format.fmt.pix.field != field)
goto invalid_field;
}
if (gst_aml_v4l2_object_get_colorspace(&format, &info.colorimetry))
{
if (gst_structure_has_field(s, "colorimetry"))
{
if (!gst_aml_v4l2_video_colorimetry_matches(&info.colorimetry, gst_structure_get_string(s, "colorimetry")))
{
// goto invalid_colorimetry;
}
}
}
else
{
/* The driver (or libv4l2) is miss-behaving, just ignore colorimetry from
* the TRY_FMT */
disable_colorimetry = TRUE;
if (gst_structure_has_field(s, "colorimetry"))
gst_structure_remove_field(s, "colorimetry");
}
/* In case we have skipped the try_fmt probes, we'll need to set the
* colorimetry and interlace-mode back into the caps. */
if (v4l2object->skip_try_fmt_probes)
{
if (!disable_colorimetry && !gst_structure_has_field(s, "colorimetry"))
{
gchar *str = gst_video_colorimetry_to_string(&info.colorimetry);
gst_structure_set(s, "colorimetry", G_TYPE_STRING, str, NULL);
g_free(str);
}
if (!gst_structure_has_field(s, "interlace-mode"))
gst_structure_set(s, "interlace-mode", G_TYPE_STRING,
gst_video_interlace_mode_to_string(info.interlace_mode), NULL);
}
if (try_only) /* good enough for trying only */
return TRUE;
if (GST_VIDEO_INFO_HAS_ALPHA(&info))
{
struct v4l2_control ctl = {
0,
};
ctl.id = V4L2_CID_ALPHA_COMPONENT;
ctl.value = 0xff;
if (v4l2object->ioctl(fd, VIDIOC_S_CTRL, &ctl) < 0)
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Failed to set alpha component value");
}
/* Is there a reason we require the caller to always specify a framerate? */
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Desired framerate: %u/%u", fps_n,
fps_d);
if (v4l2object->ioctl(fd, VIDIOC_G_PARM, &streamparm) < 0)
goto get_parm_failed;
if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
{
GST_VIDEO_INFO_FPS_N(&info) =
streamparm.parm.capture.timeperframe.denominator;
GST_VIDEO_INFO_FPS_D(&info) =
streamparm.parm.capture.timeperframe.numerator;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Got capture framerate: %u/%u",
streamparm.parm.capture.timeperframe.denominator,
streamparm.parm.capture.timeperframe.numerator);
/* We used to skip frame rate setup if the camera was already setup
* with the requested frame rate. This breaks some cameras though,
* causing them to not output data (several models of Thinkpad cameras
* have this problem at least).
* So, don't skip. */
GST_LOG_OBJECT(v4l2object->dbg_obj, "Setting capture framerate to %u/%u",
fps_n, fps_d);
/* We want to change the frame rate, so check whether we can. Some cheap USB
* cameras don't have the capability */
if ((streamparm.parm.capture.capability & V4L2_CAP_TIMEPERFRAME) == 0)
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"Not setting capture framerate (not supported)");
goto done;
}
/* Note: V4L2 wants the frame interval, we have the frame rate */
streamparm.parm.capture.timeperframe.numerator = fps_d;
streamparm.parm.capture.timeperframe.denominator = fps_n;
if (streamparm.parm.capture.timeperframe.numerator > 0 &&
streamparm.parm.capture.timeperframe.denominator > 0)
{
/* get new values */
fps_d = streamparm.parm.capture.timeperframe.numerator;
fps_n = streamparm.parm.capture.timeperframe.denominator;
GST_INFO_OBJECT(v4l2object->dbg_obj, "Set capture framerate to %u/%u",
fps_n, fps_d);
}
else
{
/* fix v4l2 capture driver to provide framerate values */
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Reuse caps framerate %u/%u - fix v4l2 capture driver", fps_n, fps_d);
}
GST_VIDEO_INFO_FPS_N(&info) = fps_n;
GST_VIDEO_INFO_FPS_D(&info) = fps_d;
}
else if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || v4l2object->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
{
GST_VIDEO_INFO_FPS_N(&info) =
streamparm.parm.output.timeperframe.denominator;
GST_VIDEO_INFO_FPS_D(&info) =
streamparm.parm.output.timeperframe.numerator;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Got output framerate: %u/%u",
streamparm.parm.output.timeperframe.denominator,
streamparm.parm.output.timeperframe.numerator);
GST_LOG_OBJECT(v4l2object->dbg_obj, "Setting output framerate to %u/%u",
fps_n, fps_d);
if ((streamparm.parm.output.capability & V4L2_CAP_TIMEPERFRAME) == 0)
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"Not setting output framerate (not supported)");
goto done;
}
/* Note: V4L2 wants the frame interval, we have the frame rate */
streamparm.parm.output.timeperframe.numerator = fps_d;
streamparm.parm.output.timeperframe.denominator = fps_n;
if (streamparm.parm.output.timeperframe.numerator > 0 &&
streamparm.parm.output.timeperframe.denominator > 0)
{
/* get new values */
fps_d = streamparm.parm.output.timeperframe.numerator;
fps_n = streamparm.parm.output.timeperframe.denominator;
GST_INFO_OBJECT(v4l2object->dbg_obj, "Set output framerate to %u/%u",
fps_n, fps_d);
}
else
{
/* fix v4l2 output driver to provide framerate values */
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Reuse caps framerate %u/%u - fix v4l2 output driver", fps_n, fps_d);
}
GST_VIDEO_INFO_FPS_N(&info) = fps_n;
GST_VIDEO_INFO_FPS_D(&info) = fps_d;
}
done:
/* add boolean return, so we can fail on drivers bugs */
gst_aml_v4l2_object_save_format(v4l2object, fmtdesc, &format, &info, &align);
/* now configure the pool */
if (!gst_aml_v4l2_object_setup_pool(v4l2object, caps))
goto pool_failed;
return TRUE;
/* ERRORS */
invalid_caps:
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "can't parse caps %" GST_PTR_FORMAT,
caps);
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Invalid caps")), ("Can't parse caps %" GST_PTR_FORMAT, caps));
return FALSE;
}
try_fmt_failed:
{
if (errno == EINVAL)
{
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Device '%s' has no supported format"), v4l2object->videodev),
("Call to TRY_FMT failed for %" GST_FOURCC_FORMAT " @ %dx%d: %s",
GST_FOURCC_ARGS(pixelformat), width, height,
g_strerror(errno)));
}
else
{
GST_AML_V4L2_ERROR(error, RESOURCE, FAILED,
(_("Device '%s' failed during initialization"),
v4l2object->videodev),
("Call to TRY_FMT failed for %" GST_FOURCC_FORMAT " @ %dx%d: %s",
GST_FOURCC_ARGS(pixelformat), width, height,
g_strerror(errno)));
}
return FALSE;
}
set_fmt_failed:
{
if (errno == EBUSY)
{
GST_AML_V4L2_ERROR(error, RESOURCE, BUSY,
(_("Device '%s' is busy"), v4l2object->videodev),
("Call to S_FMT failed for %" GST_FOURCC_FORMAT " @ %dx%d: %s",
GST_FOURCC_ARGS(pixelformat), width, height,
g_strerror(errno)));
}
else if (errno == EINVAL)
{
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Device '%s' has no supported format"), v4l2object->videodev),
("Call to S_FMT failed for %" GST_FOURCC_FORMAT " @ %dx%d: %s",
GST_FOURCC_ARGS(pixelformat), width, height,
g_strerror(errno)));
}
else
{
GST_AML_V4L2_ERROR(error, RESOURCE, FAILED,
(_("Device '%s' failed during initialization"),
v4l2object->videodev),
("Call to S_FMT failed for %" GST_FOURCC_FORMAT " @ %dx%d: %s",
GST_FOURCC_ARGS(pixelformat), width, height,
g_strerror(errno)));
}
return FALSE;
}
invalid_dimensions:
{
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Device '%s' cannot capture at %dx%d"),
v4l2object->videodev, width, height),
("Tried to capture at %dx%d, but device returned size %dx%d",
width, height, format.fmt.pix.width, format.fmt.pix.height));
return FALSE;
}
invalid_pixelformat:
{
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Device '%s' cannot capture in the specified format"),
v4l2object->videodev),
("Tried to capture in %" GST_FOURCC_FORMAT
", but device returned format"
" %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS(pixelformat),
GST_FOURCC_ARGS(format.fmt.pix.pixelformat)));
return FALSE;
}
invalid_planes:
{
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Device '%s' does support non-contiguous planes"),
v4l2object->videodev),
("Device wants %d planes", format.fmt.pix_mp.num_planes));
return FALSE;
}
invalid_field:
{
enum v4l2_field wanted_field;
if (is_mplane)
wanted_field = format.fmt.pix_mp.field;
else
wanted_field = format.fmt.pix.field;
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Device '%s' does not support %s interlacing"),
v4l2object->videodev,
field == V4L2_FIELD_NONE ? "progressive" : "interleaved"),
("Device wants %s interlacing",
wanted_field == V4L2_FIELD_NONE ? "progressive" : "interleaved"));
return FALSE;
}
#ifdef DELETE_FOR_LGE
invalid_colorimetry:
{
gchar *wanted_colorimetry;
wanted_colorimetry = gst_video_colorimetry_to_string(&info.colorimetry);
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Device '%s' does not support %s colorimetry"),
v4l2object->videodev, gst_structure_get_string(s, "colorimetry")),
("Device wants %s colorimetry", wanted_colorimetry));
g_free(wanted_colorimetry);
return FALSE;
}
#endif
get_parm_failed:
{
/* it's possible that this call is not supported */
if (errno != EINVAL && errno != ENOTTY)
{
GST_AML_V4L2_ERROR(error, RESOURCE, SETTINGS,
(_("Could not get parameters on device '%s'"),
v4l2object->videodev),
GST_ERROR_SYSTEM);
}
goto done;
}
pool_failed:
{
/* setup_pool already send the error */
return FALSE;
}
}
gboolean
gst_aml_v4l2_object_set_format(GstAmlV4l2Object *v4l2object, GstCaps *caps,
GstAmlV4l2Error *error)
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Setting format to %" GST_PTR_FORMAT,
caps);
return gst_aml_v4l2_object_set_format_full(v4l2object, caps, FALSE, error);
}
gboolean
gst_aml_v4l2_object_try_format(GstAmlV4l2Object *v4l2object, GstCaps *caps,
GstAmlV4l2Error *error)
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "Trying format %" GST_PTR_FORMAT,
caps);
return gst_aml_v4l2_object_set_format_full(v4l2object, caps, TRUE, error);
}
GstFlowReturn
gst_aml_v4l2_object_poll(GstAmlV4l2Object *v4l2object)
{
gint ret;
if (!v4l2object->can_poll_device)
goto done;
GST_LOG_OBJECT(v4l2object, "polling device");
again:
ret = gst_poll_wait(v4l2object->poll, GST_CLOCK_TIME_NONE);
if (G_UNLIKELY(ret < 0))
{
switch (errno)
{
case EBUSY:
goto stopped;
case EAGAIN:
case EINTR:
goto again;
case ENXIO:
GST_WARNING_OBJECT(v4l2object,
"v4l2 device doesn't support polling. Disabling"
" using libv4l2 in this case may cause deadlocks");
v4l2object->can_poll_device = FALSE;
goto done;
default:
goto select_error;
}
}
done:
return GST_FLOW_OK;
/* ERRORS */
stopped:
{
GST_DEBUG_OBJECT(v4l2object, "stop called");
return GST_FLOW_FLUSHING;
}
select_error:
{
GST_ELEMENT_ERROR(v4l2object->element, RESOURCE, READ, (NULL),
("poll error %d: %s (%d)", ret, g_strerror(errno), errno));
return GST_FLOW_ERROR;
}
}
GstFlowReturn
gst_aml_v4l2_object_dqevent(GstAmlV4l2Object *v4l2object)
{
GstFlowReturn res;
struct v4l2_event evt;
if ((res = gst_aml_v4l2_object_poll(v4l2object)) != GST_FLOW_OK)
goto poll_failed;
//only read v4l2 pri event
if (!gst_poll_fd_can_read_pri(v4l2object->poll, &v4l2object->pollfd))
{
GST_DEBUG_OBJECT(v4l2object, "not v4l2 pri event");
return GST_FLOW_OK;
}
memset(&evt, 0x00, sizeof(struct v4l2_event));
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_DQEVENT, &evt) < 0)
goto dqevent_failed;
switch (evt.type)
{
case V4L2_EVENT_SOURCE_CHANGE:
return GST_AML_V4L2_FLOW_SOURCE_CHANGE;
break;
case V4L2_EVENT_EOS:
return GST_AML_V4L2_FLOW_LAST_BUFFER;
break;
default:
break;
}
return GST_FLOW_OK;
/* ERRORS */
poll_failed:
{
GST_DEBUG_OBJECT(v4l2object, "poll error %s", gst_flow_get_name(res));
return res;
}
dqevent_failed:
{
GST_DEBUG_OBJECT(v4l2object, "dqevent failed");
return GST_FLOW_ERROR;
}
}
/**
* gst_aml_v4l2_object_acquire_format:
* @v4l2object the object
* @info a GstVideoInfo to be filled
*
* Acquire the driver choosen format. This is useful in decoder or encoder elements where
* the output format is choosen by the HW.
*
* Returns: %TRUE on success, %FALSE on failure.
*/
gboolean
gst_aml_v4l2_object_acquire_format(GstAmlV4l2Object *v4l2object, GstVideoInfo *info)
{
struct v4l2_fmtdesc *fmtdesc;
struct v4l2_format fmt;
struct v4l2_crop crop;
struct v4l2_selection sel;
struct v4l2_cropcap cropcap;
struct v4l2_rect *r = NULL;
GstVideoFormat format;
guint width, height;
GstVideoAlignment align;
gdouble pixelAspectRatio = 0.0;
gst_video_info_init(info);
gst_video_alignment_reset(&align);
memset(&fmt, 0x00, sizeof(struct v4l2_format));
fmt.type = v4l2object->type;
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "fmt.type:%d", fmt.type);
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_G_FMT, &fmt) < 0)
goto get_fmt_failed;
fmtdesc = gst_aml_v4l2_object_get_format_from_fourcc(v4l2object,
fmt.fmt.pix.pixelformat);
if (fmtdesc == NULL)
goto unsupported_format;
/* No need to care about mplane, the four first params are the same */
format = gst_aml_v4l2_object_v4l2fourcc_to_video_format(fmt.fmt.pix.pixelformat);
/* fails if we do no translate the fmt.pix.pixelformat to GstVideoFormat */
if (format == GST_VIDEO_FORMAT_UNKNOWN)
goto unsupported_format;
if (fmt.fmt.pix.width == 0 || fmt.fmt.pix.height == 0)
goto invalid_dimensions;
width = fmt.fmt.pix.width;
height = fmt.fmt.pix.height;
/* Use the default compose rectangle */
memset(&sel, 0, sizeof(struct v4l2_selection));
sel.type = v4l2object->type;
sel.target = V4L2_SEL_TGT_COMPOSE_DEFAULT;
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_G_SELECTION, &sel) >= 0)
{
r = &sel.r;
}
else
{
/* For ancient kernels, fall back to G_CROP */
memset(&crop, 0, sizeof(struct v4l2_crop));
crop.type = v4l2object->type;
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_G_CROP, &crop) >= 0)
r = &crop.c;
}
if (r)
{
GstAmlV4l2VideoDec *self = (GstAmlV4l2VideoDec*) v4l2object->element;
align.padding_left = r->left;
align.padding_top = r->top;
align.padding_right = width - r->width - r->left;
align.padding_bottom = height - r->height - r->top;
width = r->width;
height = r->height;
if (self->v4l2output->dw_mode >= 0 && self->v4l2output->dw_mode != VDEC_DW_NO_AFBC)
{
width = (width/2) *2; // align for dw
height = (height/2) *2; // align for dw
}
if (self->v4l2output->dw_mode == VDEC_DW_AFBC_ONLY)
height = width = 64; //because driver return src w,h when AFBC_ONLY
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "final w:%d, h:%d", width, height);
gst_video_info_set_format(info, format, width, height);
switch (fmt.fmt.pix.field)
{
case V4L2_FIELD_ANY:
case V4L2_FIELD_NONE:
info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
break;
case V4L2_FIELD_INTERLACED:
case V4L2_FIELD_INTERLACED_TB:
case V4L2_FIELD_INTERLACED_BT:
info->interlace_mode = GST_VIDEO_INTERLACE_MODE_INTERLEAVED;
break;
default:
goto unsupported_field;
}
gst_aml_v4l2_object_get_colorspace(&fmt, &info->colorimetry);
gst_aml_v4l2_object_save_format(v4l2object, fmtdesc, &fmt, info, &align);
if (v4l2object->par)
{
width = gst_value_get_fraction_numerator(v4l2object->par);
height = gst_value_get_fraction_denominator(v4l2object->par);
pixelAspectRatio = (gdouble)width/(gdouble)height;
}
if (!v4l2object->par || pixelAspectRatio == 1.0)
{
memset(&cropcap, 0, sizeof(cropcap));
width= height= 1;
cropcap.type = v4l2object->type;
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_CROPCAP, &cropcap) >= 0)
{
width= cropcap.pixelaspect.denominator;
height= cropcap.pixelaspect.numerator;
GST_DEBUG("cropcap: pixel aspect ratio %d:%d", width, height);
if ( !width || !height )
{
GST_DEBUG("force pixel aspect of 1:1");
width= height= 1;
}
}
}
GST_VIDEO_INFO_PAR_N(info) = width;
GST_VIDEO_INFO_PAR_D(info) = height;
if (v4l2object->fps)
{
GST_VIDEO_INFO_FPS_N(info) = gst_value_get_fraction_numerator(v4l2object->fps);
GST_VIDEO_INFO_FPS_D(info) = gst_value_get_fraction_denominator(v4l2object->fps);
}
/* Shall we setup the pool ? */
return TRUE;
get_fmt_failed:
{
GST_ELEMENT_WARNING(v4l2object->element, RESOURCE, SETTINGS,
(_("Video device did not provide output format.")), GST_ERROR_SYSTEM);
return FALSE;
}
invalid_dimensions:
{
GST_ELEMENT_WARNING(v4l2object->element, RESOURCE, SETTINGS,
(_("Video device returned invalid dimensions.")),
("Expected non 0 dimensions, got %dx%d", fmt.fmt.pix.width,
fmt.fmt.pix.height));
return FALSE;
}
unsupported_field:
{
GST_ELEMENT_ERROR(v4l2object->element, RESOURCE, SETTINGS,
(_("Video device uses an unsupported interlacing method.")),
("V4L2 field type %d not supported", fmt.fmt.pix.field));
return FALSE;
}
unsupported_format:
{
GST_ELEMENT_ERROR(v4l2object->element, RESOURCE, SETTINGS,
(_("Video device uses an unsupported pixel format.")),
("V4L2 format %" GST_FOURCC_FORMAT " not supported",
GST_FOURCC_ARGS(fmt.fmt.pix.pixelformat)));
return FALSE;
}
}
gboolean
gst_aml_v4l2_object_set_crop(GstAmlV4l2Object *obj)
{
struct v4l2_selection sel = {0};
struct v4l2_crop crop = {0};
sel.type = obj->type;
sel.target = V4L2_SEL_TGT_CROP;
sel.flags = 0;
sel.r.left = obj->align.padding_left;
sel.r.top = obj->align.padding_top;
sel.r.width = obj->info.width;
sel.r.height = obj->info.height;
crop.type = obj->type;
crop.c = sel.r;
if (obj->align.padding_left + obj->align.padding_top +
obj->align.padding_right + obj->align.padding_bottom ==
0)
{
GST_DEBUG_OBJECT(obj->dbg_obj, "no cropping needed");
return TRUE;
}
GST_DEBUG_OBJECT(obj->dbg_obj,
"Desired cropping left %u, top %u, size %ux%u", crop.c.left, crop.c.top,
crop.c.width, crop.c.height);
if (obj->ioctl(obj->video_fd, VIDIOC_S_SELECTION, &sel) < 0)
{
if (errno != ENOTTY)
{
GST_WARNING_OBJECT(obj->dbg_obj,
"Failed to set crop rectangle with VIDIOC_S_SELECTION: %s",
g_strerror(errno));
return FALSE;
}
else
{
if (obj->ioctl(obj->video_fd, VIDIOC_S_CROP, &crop) < 0)
{
GST_WARNING_OBJECT(obj->dbg_obj, "VIDIOC_S_CROP failed");
return FALSE;
}
if (obj->ioctl(obj->video_fd, VIDIOC_G_CROP, &crop) < 0)
{
GST_WARNING_OBJECT(obj->dbg_obj, "VIDIOC_G_CROP failed");
return FALSE;
}
sel.r = crop.c;
}
}
GST_DEBUG_OBJECT(obj->dbg_obj,
"Got cropping left %u, top %u, size %ux%u", crop.c.left, crop.c.top,
crop.c.width, crop.c.height);
return TRUE;
}
gboolean
gst_aml_v4l2_object_caps_equal(GstAmlV4l2Object *v4l2object, GstCaps *caps)
{
GstStructure *config;
GstCaps *oldcaps;
gboolean ret;
if (!v4l2object->pool)
return FALSE;
config = gst_buffer_pool_get_config(v4l2object->pool);
gst_buffer_pool_config_get_params(config, &oldcaps, NULL, NULL, NULL);
ret = oldcaps && gst_caps_is_equal(caps, oldcaps);
gst_structure_free(config);
return ret;
}
gboolean
gst_aml_v4l2_object_caps_is_subset(GstAmlV4l2Object *v4l2object, GstCaps *caps)
{
GstStructure *config;
GstCaps *oldcaps;
gboolean ret;
if (!v4l2object->pool)
return FALSE;
config = gst_buffer_pool_get_config(v4l2object->pool);
gst_buffer_pool_config_get_params(config, &oldcaps, NULL, NULL, NULL);
ret = oldcaps && gst_caps_is_subset(oldcaps, caps);
gst_structure_free(config);
return ret;
}
GstCaps *
gst_aml_v4l2_object_get_current_caps(GstAmlV4l2Object *v4l2object)
{
GstStructure *config;
GstCaps *oldcaps;
if (!v4l2object->pool)
return NULL;
config = gst_buffer_pool_get_config(v4l2object->pool);
gst_buffer_pool_config_get_params(config, &oldcaps, NULL, NULL, NULL);
if (oldcaps)
gst_caps_ref(oldcaps);
gst_structure_free(config);
return oldcaps;
}
gboolean
gst_aml_v4l2_object_flush_start(GstAmlV4l2Object *v4l2object)
{
gboolean ret = TRUE;
GST_LOG_OBJECT(v4l2object->dbg_obj, "start flushing");
gst_poll_set_flushing(v4l2object->poll, TRUE);
if (v4l2object->pool && gst_buffer_pool_is_active(v4l2object->pool))
gst_buffer_pool_set_flushing(v4l2object->pool, TRUE);
return ret;
}
gboolean
gst_aml_v4l2_object_flush_stop(GstAmlV4l2Object *v4l2object)
{
gboolean ret = TRUE;
GST_LOG_OBJECT(v4l2object->dbg_obj, "stop flushing");
if (v4l2object->pool && gst_buffer_pool_is_active(v4l2object->pool))
gst_buffer_pool_set_flushing(v4l2object->pool, FALSE);
gst_poll_set_flushing(v4l2object->poll, FALSE);
return ret;
}
gboolean
gst_aml_v4l2_object_stop(GstAmlV4l2Object *v4l2object)
{
GstAmlV4l2BufferPool *bpool = GST_AML_V4L2_BUFFER_POOL(v4l2object->pool);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "stopping");
if (!GST_AML_V4L2_IS_OPEN(v4l2object))
goto done;
if (!GST_AML_V4L2_IS_ACTIVE(v4l2object))
goto done;
if (bpool && bpool->other_pool) /* jxsdbg for resolution switch */
{
if (v4l2object->old_other_pool)
{
/* this case indicate 1st switch did not wait all old pool buf recycle and 2nd switch is coming.
so save 1st old pool */
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "switching occurs during last switching buf recycle flow");
v4l2object->old_old_other_pool = v4l2object->old_other_pool;
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "switching flow, ref old drmbufferpool");
v4l2object->old_other_pool = bpool->other_pool;
gst_object_ref(v4l2object->old_other_pool);
}
if (v4l2object->pool)
{
if (!gst_aml_v4l2_buffer_pool_orphan(&v4l2object->pool))
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "deactivating pool");
gst_buffer_pool_set_active(v4l2object->pool, FALSE);
gst_object_unref(v4l2object->pool);
}
v4l2object->pool = NULL;
}
GST_AML_V4L2_SET_INACTIVE(v4l2object);
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "stopped");
done:
return TRUE;
}
GstCaps *
gst_aml_v4l2_object_probe_caps(GstAmlV4l2Object *v4l2object, GstCaps *filter)
{
GstCaps *ret;
GSList *walk;
GSList *formats;
GST_INFO_OBJECT(v4l2object->dbg_obj, "filter caps: %" GST_PTR_FORMAT, filter);
formats = gst_aml_v4l2_object_get_format_list(v4l2object);
ret = gst_caps_new_empty();
// At this time, decoder will return defult aspect, and it is not usful.
// so, do not probe cropcap at this time and do this action after decoding.
#if 0
if (v4l2object->keep_aspect && !v4l2object->par)
{
struct v4l2_cropcap cropcap;
memset(&cropcap, 0, sizeof(cropcap));
cropcap.type = v4l2object->type;
if (v4l2object->ioctl(v4l2object->video_fd, VIDIOC_CROPCAP, &cropcap) < 0)
{
if (errno != ENOTTY)
GST_WARNING_OBJECT(v4l2object->dbg_obj,
"Failed to probe pixel aspect ratio with VIDIOC_CROPCAP: %s",
g_strerror(errno));
}
else if (cropcap.pixelaspect.numerator && cropcap.pixelaspect.denominator)
{
v4l2object->par = g_new0(GValue, 1);
g_value_init(v4l2object->par, GST_TYPE_FRACTION);
gst_value_set_fraction(v4l2object->par, cropcap.pixelaspect.numerator,
cropcap.pixelaspect.denominator);
}
}
#endif
for (walk = formats; walk; walk = walk->next)
{
struct v4l2_fmtdesc *format;
GstStructure *template;
GstCaps *tmp, *tmp2;
format = (struct v4l2_fmtdesc *)walk->data;
template = gst_aml_v4l2_object_v4l2fourcc_to_bare_struct(format->pixelformat);
if (!template)
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj,
"unknown format %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS(format->pixelformat));
continue;
}
/* If we have a filter, check if we need to probe this format or not */
if (filter)
{
GstCaps *format_caps = gst_caps_new_empty();
gst_caps_append_structure(format_caps, gst_structure_copy(template));
GST_INFO_OBJECT(v4l2object->dbg_obj, "format_caps: %" GST_PTR_FORMAT, format_caps);
if (!gst_caps_can_intersect(format_caps, filter))
{
gst_caps_unref(format_caps);
gst_structure_free(template);
continue;
}
gst_caps_unref(format_caps);
}
tmp = gst_aml_v4l2_object_probe_caps_for_format(v4l2object,
format->pixelformat, template);
GST_INFO_OBJECT(v4l2object->dbg_obj, "tmp caps: %" GST_PTR_FORMAT, tmp);
if (tmp)
{
tmp2 = gst_caps_copy(tmp);
gst_caps_set_features_simple(tmp2, gst_caps_features_from_string(GST_CAPS_FEATURE_MEMORY_DMABUF));
gst_caps_append(ret, tmp);
gst_caps_append(ret, tmp2);
}
gst_structure_free(template);
}
if (filter)
{
GstCaps *tmp;
tmp = ret;
ret = gst_caps_intersect_full(filter, ret, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref(tmp);
}
if (v4l2object->stream_mode)
{
GST_INFO_OBJECT(v4l2object->dbg_obj, "ret caps: %" GST_PTR_FORMAT, ret);
for (guint i = 0; i < gst_caps_get_size(ret); i++)
{
GstStructure *s = gst_caps_get_structure(ret, i);
if (s)
gst_structure_remove_field(s, "alignment");
GST_DEBUG("i:%d, s:%p", i, s);
}
GST_INFO_OBJECT(v4l2object->dbg_obj, "new ret caps: %" GST_PTR_FORMAT, ret);
}
GST_INFO_OBJECT(v4l2object->dbg_obj, "probed caps: %" GST_PTR_FORMAT, ret);
return ret;
}
GstCaps *
gst_aml_v4l2_object_get_caps(GstAmlV4l2Object *v4l2object, GstCaps *filter)
{
GstCaps *ret;
if (v4l2object->probed_caps == NULL)
v4l2object->probed_caps = gst_aml_v4l2_object_probe_caps(v4l2object, NULL);
if (filter)
{
ret = gst_caps_intersect_full(filter, v4l2object->probed_caps,
GST_CAPS_INTERSECT_FIRST);
}
else
{
ret = gst_caps_ref(v4l2object->probed_caps);
}
return ret;
}
gboolean
gst_aml_v4l2_object_decide_allocation(GstAmlV4l2Object *obj, GstQuery *query)
{
GstCaps *caps;
GstBufferPool *pool = NULL, *other_pool = NULL;
GstStructure *config;
guint size, min, max, own_min = 0;
gboolean update;
gboolean has_video_meta;
gboolean can_share_own_pool, pushing_from_our_pool = FALSE;
GstAllocator *allocator = NULL;
GstAllocationParams params = {0};
GST_DEBUG_OBJECT(obj->dbg_obj, "decide allocation");
g_return_val_if_fail(obj->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
obj->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
FALSE);
gst_query_parse_allocation(query, &caps, NULL);
if (obj->pool == NULL)
{
if (!gst_aml_v4l2_object_setup_pool(obj, caps))
goto pool_failed;
}
if (gst_query_get_n_allocation_params(query) > 0)
gst_query_parse_nth_allocation_param(query, 0, &allocator, &params);
if (gst_query_get_n_allocation_pools(query) > 0)
{
gst_query_parse_nth_allocation_pool(query, 0, &pool, &size, &min, &max);
update = TRUE;
}
else
{
pool = NULL;
min = max = 0;
size = 0;
update = FALSE;
}
GST_DEBUG_OBJECT(obj->dbg_obj, "allocation: size:%u min:%u max:%u pool:%" GST_PTR_FORMAT, size, min, max, pool);
has_video_meta =
gst_query_find_allocation_meta(query, GST_VIDEO_META_API_TYPE, NULL);
can_share_own_pool = (has_video_meta || !obj->need_video_meta);
gst_aml_v4l2_get_driver_min_buffers(obj);
/* We can't share our own pool, if it exceed V4L2 capacity */
if (min + obj->min_buffers + 1 > VIDEO_MAX_FRAME)
can_share_own_pool = FALSE;
/* select a pool */
switch (obj->mode)
{
case GST_V4L2_IO_RW:
if (pool)
{
/* in READ/WRITE mode, prefer a downstream pool because our own pool
* doesn't help much, we have to write to it as well */
GST_DEBUG_OBJECT(obj->dbg_obj,
"read/write mode: using downstream pool");
/* use the bigest size, when we use our own pool we can't really do any
* other size than what the hardware gives us but for downstream pools
* we can try */
size = MAX(size, obj->info.size);
}
else if (can_share_own_pool)
{
/* no downstream pool, use our own then */
GST_DEBUG_OBJECT(obj->dbg_obj,
"read/write mode: no downstream pool, using our own");
pool = gst_object_ref(obj->pool);
size = obj->info.size;
pushing_from_our_pool = TRUE;
}
break;
case GST_V4L2_IO_USERPTR:
case GST_V4L2_IO_DMABUF_IMPORT:
/* in importing mode, prefer our own pool, and pass the other pool to
* our own, so it can serve itself */
if (pool == NULL)
goto no_downstream_pool;
gst_aml_v4l2_buffer_pool_set_other_pool(GST_AML_V4L2_BUFFER_POOL(obj->pool), pool);
other_pool = pool;
gst_object_unref(pool);
pool = gst_object_ref(obj->pool);
size = obj->info.size;
break;
case GST_V4L2_IO_MMAP:
case GST_V4L2_IO_DMABUF:
/* in streaming mode, prefer our own pool */
/* Check if we can use it ... */
if (can_share_own_pool)
{
if (pool)
gst_object_unref(pool);
pool = gst_object_ref(obj->pool);
size = obj->info.size;
GST_DEBUG_OBJECT(obj->dbg_obj,
"streaming mode: using our own pool %" GST_PTR_FORMAT, pool);
pushing_from_our_pool = TRUE;
}
else if (pool)
{
GST_DEBUG_OBJECT(obj->dbg_obj,
"streaming mode: copying to downstream pool %" GST_PTR_FORMAT,
pool);
}
else
{
GST_DEBUG_OBJECT(obj->dbg_obj,
"streaming mode: no usable pool, copying to generic pool");
size = MAX(size, obj->info.size);
}
break;
case GST_V4L2_IO_AUTO:
default:
GST_WARNING_OBJECT(obj->dbg_obj, "unhandled mode");
break;
}
if (size == 0)
goto no_size;
/* If pushing from our own pool, configure it with queried minimum,
* otherwise use the minimum required */
if (pushing_from_our_pool)
{
/* When pushing from our own pool, we need what downstream one, to be able
* to fill the pipeline, the minimum required to decoder according to the
* driver and 2 more, so we don't endup up with everything downstream or
* held by the decoder. We account 2 buffers for v4l2 so when one is being
* pushed downstream the other one can already be queued for the next
* frame. */
own_min = min + obj->min_buffers + 2;
/* If no allocation parameters where provided, allow for a little more
* buffers and enable copy threshold */
if (!update)
{
own_min += 2;
gst_aml_v4l2_buffer_pool_copy_at_threshold(GST_AML_V4L2_BUFFER_POOL(pool),
TRUE);
}
else
{
gst_aml_v4l2_buffer_pool_copy_at_threshold(GST_AML_V4L2_BUFFER_POOL(pool),
FALSE);
}
}
else
{
min = obj->min_buffers;
max = min;
}
/* Request a bigger max, if one was suggested but it's too small */
if (max != 0)
max = MAX(min, max);
/* First step, configure our own pool */
config = gst_buffer_pool_get_config(obj->pool);
if (obj->need_video_meta || has_video_meta)
{
GST_DEBUG_OBJECT(obj->dbg_obj, "activate Video Meta");
gst_buffer_pool_config_add_option(config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
}
gst_buffer_pool_config_set_allocator(config, allocator, &params);
gst_buffer_pool_config_set_params(config, caps, size, min, max);
GST_DEBUG_OBJECT(obj->dbg_obj, "setting own pool config to %" GST_PTR_FORMAT, config);
/* Our pool often need to adjust the value */
if (!gst_buffer_pool_set_config(obj->pool, config))
{
config = gst_buffer_pool_get_config(obj->pool);
GST_DEBUG_OBJECT(obj->dbg_obj, "own pool config changed to %" GST_PTR_FORMAT, config);
/* our pool will adjust the maximum buffer, which we are fine with */
if (!gst_buffer_pool_set_config(obj->pool, config))
goto config_failed;
}
/* Now configure the other pool if different */
if (obj->pool != pool)
other_pool = pool;
if (other_pool)
{
GstAmlV4l2VideoDec *self = (GstAmlV4l2VideoDec *)obj->element;
guint other_min = min;
guint other_max = max;
if (obj->old_other_pool || obj->old_old_other_pool) //jxsdbg for switching
{
obj->outstanding_buf_num = gst_aml_v4l2_object_get_outstanding_capture_buf_num(obj);
//when doing resolution changed,set new other buffer pool count to 4
//the buffer pool count will increase after buffer released
//it ensures that all display's buffers can be returned for Setting to 4
if (obj->outstanding_buf_num > 0) {
other_min = other_max = 4;
}
GST_DEBUG_OBJECT(obj, "oop:%p, ooop:%p, outstanding buf num:%d, set min, max to %d,%d",
obj->old_other_pool, obj->old_old_other_pool,
obj->outstanding_buf_num, other_min, other_max);
}
if (self->is_secure_path)
{
params.flags |= GST_MEMORY_FLAG_LAST << 1; // in drmallocator GST_MEMORY_FLAG_LAST << 1 represent GST_MEMORY_FLAG_SECURE
GST_DEBUG_OBJECT(obj, "set secure flag for drmbufferpool flag:0x%x", params.flags);
}
config = gst_buffer_pool_get_config(other_pool);
gst_buffer_pool_config_set_allocator(config, allocator, &params);
gst_buffer_pool_config_set_params (config, caps, size, other_min, other_max);
gst_buffer_pool_config_set_video_alignment(config, &obj->align);
GST_DEBUG_OBJECT(obj->dbg_obj, "setting other pool config to %" GST_PTR_FORMAT, config);
/* if downstream supports video metadata, add this to the pool config */
if (has_video_meta)
{
GST_DEBUG_OBJECT(obj->dbg_obj, "activate Video Meta");
gst_buffer_pool_config_add_option(config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
}
if (!gst_buffer_pool_set_config(other_pool, config))
{
config = gst_buffer_pool_get_config(other_pool);
if (!gst_buffer_pool_config_validate_params(config, caps, size, min,
max))
{
gst_structure_free(config);
goto config_failed;
}
if (!gst_buffer_pool_set_config(other_pool, config))
goto config_failed;
}
}
if (pool)
{
/* For simplicity, simply read back the active configuration, so our base
* class get the right information */
config = gst_buffer_pool_get_config(pool);
gst_buffer_pool_config_get_params(config, NULL, &size, &min, &max);
gst_structure_free(config);
}
if (update)
gst_query_set_nth_allocation_pool(query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool(query, pool, size, min, max);
if (allocator)
gst_object_unref(allocator);
if (pool)
gst_object_unref(pool);
return TRUE;
pool_failed:
{
/* setup_pool already send the error */
goto cleanup;
}
config_failed:
{
GST_ELEMENT_ERROR(obj->element, RESOURCE, SETTINGS,
(_("Failed to configure internal buffer pool.")), (NULL));
goto cleanup;
}
no_size:
{
GST_ELEMENT_ERROR(obj->element, RESOURCE, SETTINGS,
(_("Video device did not suggest any buffer size.")), (NULL));
goto cleanup;
}
cleanup:
{
if (allocator)
gst_object_unref(allocator);
if (pool)
gst_object_unref(pool);
return FALSE;
}
no_downstream_pool:
{
GST_ELEMENT_ERROR(obj->element, RESOURCE, SETTINGS,
(_("No downstream pool to import from.")),
("When importing DMABUF or USERPTR, we need a pool to import from"));
return FALSE;
}
}
gboolean
gst_aml_v4l2_object_propose_allocation(GstAmlV4l2Object *obj, GstQuery *query)
{
GstBufferPool *pool;
/* we need at least 2 buffers to operate */
guint size, min, max;
GstCaps *caps;
gboolean need_pool;
/* Set defaults allocation parameters */
size = obj->info.size;
min = GST_AML_V4L2_MIN_BUFFERS;
max = VIDEO_MAX_FRAME;
gst_query_parse_allocation(query, &caps, &need_pool);
if (caps == NULL)
goto no_caps;
switch (obj->mode)
{
case GST_V4L2_IO_MMAP:
case GST_V4L2_IO_DMABUF:
if ((pool = obj->pool))
gst_object_ref(pool);
break;
default:
pool = NULL;
break;
}
if (pool != NULL)
{
GstCaps *pcaps;
GstStructure *config;
/* we had a pool, check caps */
config = gst_buffer_pool_get_config(pool);
gst_buffer_pool_config_get_params(config, &pcaps, NULL, NULL, NULL);
GST_DEBUG_OBJECT(obj->dbg_obj,
"we had a pool with caps %" GST_PTR_FORMAT, pcaps);
if (!gst_caps_is_equal(caps, pcaps))
{
gst_structure_free(config);
gst_object_unref(pool);
goto different_caps;
}
gst_structure_free(config);
}
gst_aml_v4l2_get_driver_min_buffers(obj);
min = MAX(obj->min_buffers, GST_AML_V4L2_MIN_BUFFERS);
gst_query_add_allocation_pool(query, pool, size, min, max);
/* we also support various metadata */
gst_query_add_allocation_meta(query, GST_VIDEO_META_API_TYPE, NULL);
if (pool)
gst_object_unref(pool);
return TRUE;
/* ERRORS */
no_caps:
{
GST_DEBUG_OBJECT(obj->dbg_obj, "no caps specified");
return FALSE;
}
different_caps:
{
/* different caps, we can't use this pool */
GST_DEBUG_OBJECT(obj->dbg_obj, "pool has different caps");
return FALSE;
}
}
gboolean
gst_aml_v4l2_object_try_import(GstAmlV4l2Object *obj, GstBuffer *buffer)
{
GstVideoMeta *vmeta;
guint n_mem = gst_buffer_n_memory(buffer);
/* only import if requested */
switch (obj->mode)
{
case GST_V4L2_IO_USERPTR:
case GST_V4L2_IO_DMABUF_IMPORT:
break;
default:
GST_DEBUG_OBJECT(obj->dbg_obj,
"The io-mode does not enable importation");
return FALSE;
}
vmeta = gst_buffer_get_video_meta(buffer);
if (!vmeta && obj->need_video_meta)
{
GST_DEBUG_OBJECT(obj->dbg_obj, "Downstream buffer uses standard "
"stride/offset while the driver does not.");
return FALSE;
}
/* we need matching strides/offsets and size */
if (vmeta)
{
guint p;
gboolean need_fmt_update = FALSE;
if (vmeta->n_planes != GST_VIDEO_INFO_N_PLANES(&obj->info))
{
GST_WARNING_OBJECT(obj->dbg_obj,
"Cannot import buffers with different number planes");
return FALSE;
}
for (p = 0; p < vmeta->n_planes; p++)
{
if (vmeta->stride[p] < obj->info.stride[p])
{
GST_DEBUG_OBJECT(obj->dbg_obj,
"Not importing as remote stride %i is smaller then %i on plane %u",
vmeta->stride[p], obj->info.stride[p], p);
return FALSE;
}
else if (vmeta->stride[p] > obj->info.stride[p])
{
need_fmt_update = TRUE;
}
if (vmeta->offset[p] < obj->info.offset[p])
{
GST_DEBUG_OBJECT(obj->dbg_obj,
"Not importing as offset %" G_GSIZE_FORMAT
" is smaller then %" G_GSIZE_FORMAT " on plane %u",
vmeta->offset[p], obj->info.offset[p], p);
return FALSE;
}
else if (vmeta->offset[p] > obj->info.offset[p])
{
need_fmt_update = TRUE;
}
}
if (need_fmt_update)
{
struct v4l2_format format;
gint wanted_stride[GST_VIDEO_MAX_PLANES] = {
0,
};
format = obj->format;
/* update the current format with the stride we want to import from */
if (V4L2_TYPE_IS_MULTIPLANAR(obj->type))
{
guint i;
GST_DEBUG_OBJECT(obj->dbg_obj, "Wanted strides:");
for (i = 0; i < obj->n_v4l2_planes; i++)
{
gint stride = vmeta->stride[i];
if (GST_VIDEO_FORMAT_INFO_IS_TILED(obj->info.finfo))
stride = GST_VIDEO_TILE_X_TILES(stride) << GST_VIDEO_FORMAT_INFO_TILE_WS(obj->info.finfo);
format.fmt.pix_mp.plane_fmt[i].bytesperline = stride;
wanted_stride[i] = stride;
GST_DEBUG_OBJECT(obj->dbg_obj, " [%u] %i", i, wanted_stride[i]);
}
}
else
{
gint stride = vmeta->stride[0];
GST_DEBUG_OBJECT(obj->dbg_obj, "Wanted stride: %i", stride);
if (GST_VIDEO_FORMAT_INFO_IS_TILED(obj->info.finfo))
stride = GST_VIDEO_TILE_X_TILES(stride) << GST_VIDEO_FORMAT_INFO_TILE_WS(obj->info.finfo);
format.fmt.pix.bytesperline = stride;
wanted_stride[0] = stride;
}
if (obj->ioctl(obj->video_fd, VIDIOC_S_FMT, &format) < 0)
{
GST_WARNING_OBJECT(obj->dbg_obj,
"Something went wrong trying to update current format: %s",
g_strerror(errno));
return FALSE;
}
gst_aml_v4l2_object_save_format(obj, obj->fmtdesc, &format, &obj->info,
&obj->align);
if (V4L2_TYPE_IS_MULTIPLANAR(obj->type))
{
guint i;
for (i = 0; i < obj->n_v4l2_planes; i++)
{
if (format.fmt.pix_mp.plane_fmt[i].bytesperline != wanted_stride[i])
{
GST_DEBUG_OBJECT(obj->dbg_obj,
"[%i] Driver did not accept the new stride (wants %i, got %i)",
i, format.fmt.pix_mp.plane_fmt[i].bytesperline,
wanted_stride[i]);
return FALSE;
}
}
}
else
{
if (format.fmt.pix.bytesperline != wanted_stride[0])
{
GST_DEBUG_OBJECT(obj->dbg_obj,
"Driver did not accept the new stride (wants %i, got %i)",
format.fmt.pix.bytesperline, wanted_stride[0]);
return FALSE;
}
}
}
}
/* we can always import single memory buffer, but otherwise we need the same
* amount of memory object. */
if (n_mem != 1 && n_mem != obj->n_v4l2_planes)
{
GST_DEBUG_OBJECT(obj->dbg_obj, "Can only import %i memory, "
"buffers contains %u memory",
obj->n_v4l2_planes, n_mem);
return FALSE;
}
/* For DMABuf importation we need DMABuf of course */
if (obj->mode == GST_V4L2_IO_DMABUF_IMPORT)
{
guint i;
for (i = 0; i < n_mem; i++)
{
GstMemory *mem = gst_buffer_peek_memory(buffer, i);
if (!gst_is_dmabuf_memory(mem))
{
GST_DEBUG_OBJECT(obj->dbg_obj, "Cannot import non-DMABuf memory.");
return FALSE;
}
}
}
/* for the remaining, only the kernel driver can tell */
return TRUE;
}
static gboolean gst_aml_v4l2_set_control(GstAmlV4l2Object *v4l2object, guint ctl)
{
int rc;
struct v4l2_queryctrl queryctrl;
struct v4l2_control control;
memset(&queryctrl, 0, sizeof(queryctrl));
queryctrl.id = ctl;
rc = v4l2object->ioctl(v4l2object->video_fd, VIDIOC_QUERYCTRL, &queryctrl);
if (rc == 0)
{
if (!(queryctrl.flags & V4L2_CTRL_FLAG_DISABLED))
{
memset(&control, 0, sizeof(control));
control.id = ctl;
control.value = 1;
rc = v4l2object->ioctl(v4l2object->video_fd, VIDIOC_S_CTRL, &control);
if (rc != 0)
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "set ctl:0x%x fail rc %d", ctl, rc);
return FALSE;
}
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "set ctl:0x%x succ", ctl);
return TRUE;
}
else
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "ctl:0x%x is disabled", ctl);
return TRUE;
}
}
else
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "VIDIOC_QUERYCTRL for 0x:%x fail", ctl);
return FALSE;
}
}
gboolean gst_aml_v4l2_set_I_frame_mode(GstAmlV4l2Object *v4l2object)
{
if (v4l2object->iframe_mode)
{
int rc;
struct v4l2_control control;
memset(&control, 0, sizeof(control));
control.id = AML_V4L2_SET_I_FRAME;
control.value = 1;
rc = v4l2object->ioctl(v4l2object->video_fd, VIDIOC_S_CTRL, &control);
if (rc != 0)
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "rc: %d", rc);
return FALSE;
}
}
GST_DEBUG("set I frame ok");
return TRUE;
}
gboolean gst_aml_v4l2_set_drm_mode(GstAmlV4l2Object *v4l2object)
{
/* On AmLogic, output obj use of GST_V4L2_IO_DMABUF_IMPORT implies secure memory */
if (v4l2object->req_mode == GST_V4L2_IO_DMABUF_IMPORT && v4l2object->secure_es)
{
GstAmlV4l2VideoDec *self = (GstAmlV4l2VideoDec *)v4l2object->element;
self->is_secure_path = TRUE;
if (gst_aml_v4l2_set_control(v4l2object, AML_V4L2_SET_DRMMODE))
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "AML_V4L2_SET_DRMMODE set succ");
return TRUE;
}
else
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "AML_V4L2_SET_DRMMODE set fail");
return FALSE;
}
}
return TRUE;
}
gboolean gst_aml_v4l2_set_stream_mode(GstAmlV4l2Object *v4l2object)
{
if (v4l2object->stream_mode)
{
if (gst_aml_v4l2_set_control(v4l2object, AML_V4L2_SET_STREAM_MODE))
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "AML_V4L2_SET_STREAM_MODE set succ");
return TRUE;
}
else
{
GST_ERROR_OBJECT(v4l2object->dbg_obj, "AML_V4L2_SET_STREAM_MODE set fail");
return FALSE;
}
}
else
{
GST_DEBUG_OBJECT(v4l2object->dbg_obj, "req mode is not stream mode, frame mode in configured by default");
return TRUE;
}
}
gint gst_aml_v4l2_object_get_outstanding_capture_buf_num(GstAmlV4l2Object *obj)
{
gint ret = 0;
gint count = 0;
if (obj->old_other_pool)
{
count = gst_buffer_pool_get_outstanding_num(obj->old_other_pool);
if (count)
{
ret += count;
}
else
{
gst_object_unref(obj->old_other_pool);
obj->old_other_pool = NULL;
}
}
count = 0;
if (obj->old_old_other_pool)
{
count = gst_buffer_pool_get_outstanding_num(obj->old_old_other_pool);
if (count)
{
ret += count;
}
else
{
gst_object_unref(obj->old_old_other_pool);
obj->old_old_other_pool = NULL;
}
}
return ret;
}