src/gstamldmx.h

/* GStreamer
 * Copyright (C) 2023 <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 St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __GST_AMLHWDMX_H__
#define __GST_AMLHWDMX_H__

#include <gst/gst.h>
#include "aml_defs.h"
#include "gstamldmxwrap.h"
#include "ts_patpmt_parse.h"
#include "gstamladapterpipe.h"

G_BEGIN_DECLS

#define GST_TYPE_AMLHWDMX \
    (gst_amlhwdmx_get_type())
#define GST_AMLHWDMX(obj) \
    (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AMLHWDMX, GstAmlhwdmx))
#define GST_amlhwdmx_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AMLHWDMX, GstAmlhwdmxClass))
#define GST_IS_AMLHWDMX(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AMLHWDMX))
#define GST_IS_amlhwdmx_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AMLHWDMX))

typedef enum
{
    GST_STREAM_UPDATE_NONE = 0,
    GST_INIT_PLAY = (1 << 0),
    GST_PGM_CHANGED = (1 << 1),
    GST_PMT_CHANGED = (1 << 2),
    GST_PMT_UPDATED = (1 << 3),
    GST_AUDIO_CHANGED = (1 << 4),
} GstStreamUpdateFlags;

typedef enum
{
    GST_AML_DMX_NONE = 0,
    GST_AML_DMX_FLUSHING = (1 << 0),
    GST_AML_DMX_EOS = (1 << 1),
    GST_AML_DMX_PROB = (1 << 2),
    GST_AML_DMX_PROB_DONE = (1 << 3),
} GstAmlDmxFlags;

typedef struct _GstAmlhwdmx GstAmlhwdmx;
typedef struct _GstAmlhwdmxClass GstAmlhwdmxClass;
typedef struct _GstDmxSinkStreamPad GstDmxSinkStreamPad;
typedef struct _GstDmxSrcStreamPad GstDmxSrcStreamPad;
typedef struct _GstAdapterPipe GstAdapterPipe;
typedef struct _GstDmxPatPara GstDmxPatPara;
typedef struct _GstDmxPmtPara GstDmxPmtPara;

/* params of pat */
struct _GstDmxPatPara
{
    int32_t fid;
    struct dmx_sct_filter_params filter_para;
    TS_PAT pat;
};

/* params of pmt */
struct _GstDmxPmtPara
{
    int32_t fid;
    struct dmx_sct_filter_params filter_para;
    TS_PMT pmt;
};

struct _GstDmxSinkStreamPad
{
    GstPad *pad;
    GstAdapterPipe *adapter_pipe;
    GstDmxPatPara pat_para;
    GstDmxPmtPara pmt_para[MAX_PROGRAM_NUM];

    guint prob_peek_idx;

    /* context para for push mode */
    GstTask *task;
    GRecMutex task_lock;

    gpointer obj_ptr;
    gulong update_pts_sig_id;
    GstClockTime decoded_pts;

    GstEvent *segment_event;
};

struct _GstDmxSrcStreamPad
{
    GstPad *pad;
    GstAdapterPipe *adapter_pipe;
    gint es_fid;
    guint pid;
    GstStream *stream_object;
    GstStreamType stream_type;
    struct dmx_pes_filter_params es_fpara;
    GstClockTime newest_pts;
    gboolean pushed_segment_event;
};

struct _GstAmlhwdmx
{
    GstElement element;
    GstDmxSinkStreamPad sinkpad;
    GstDmxSrcStreamPad srcpads[MAX_STREAM_NUM];
    gint srcpad_num;

    GstAllocator *fd_allocator;

    gint prog_no;                  /* ReadWriteable */
    char available_languages[256]; /* Readable */
    char preferred_language[8];    /* Writeable */
    gboolean is_live;              /* ReadWriteable */
    gboolean is_secure;
    gboolean is_secure_es;

    int32_t dmx_dev_id;

    /* params of stream info */
    gint audio_stream_num;
    gint selected_program_no;
    gint selected_audio_stream;
    gint updated_pmt_num;
    GstStreamUpdateFlags suf;
    /* context para for ts table update */
    gboolean patUpdated;
    gboolean streamUpdated;
    gint defaultVPid;
    gint defaultAPid;
    gint defaultTPid;
    gint vCodecid;
    gint aCodecid;
    gint tCodecid;

    /* context para*/
    GMutex context_lock;
    guint64 offset;
    GstAmlDmxFlags flags;
    gboolean eosFlag;
    gboolean needQueryTsInfo;
    GstCaps *caps;
    GList *cached_events;
    gboolean seekable;
    GstEvent *seek_event; /* cached seek in READY */
    GstSegment segment;   /* segment stuff */

    // tmp
    guint group_id;
    gboolean have_group_id;
};

struct _GstAmlhwdmxClass
{
    GstBinClass parent_class;
    GstPadTemplate sinktempl;
};

GType gst_amlhwdmx_get_type(void);

gboolean add_pad_for_stream(GstAmlhwdmx *amlhwdmx, int fid, TS_PMT_Stream *pmt_stream, GstDmxSrcStreamPad *stream_pad);
void gst_amlhwdmx_src_loop(GstDmxSrcStreamPad *srcpad);

G_END_DECLS

#endif /* __GST_AMLHWDMX_H__ */