src/ge2drotation.h

/* GStreamer
 * Copyright (C) 2022 amlogic
 *
 * 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.
 */

#include <gst/gst.h>
#include <aml_ge2d.h>
#include <gst/video/video.h>

#define MAX_PLANES (3)
typedef struct _GemBuffer
{
   gint width;
   gint height;
   gint planeCount;
   guint handle[MAX_PLANES];
   guint stride[MAX_PLANES];
   guint offset[MAX_PLANES];
   guint size[MAX_PLANES];
   gint fd[MAX_PLANES];
} GemBuffer;

typedef struct _ROTBuffer{
   gint index;
   gboolean used;
   GemBuffer gemBuf;
   GstBuffer *src_buf;
}ROTBuffer;

typedef enum
{
  WST_ROTATION_0 = 0,
  WST_ROTATION_90 = 1,
  WST_ROTATION_180 = 2,
  WST_ROTATION_270 = 3,
}ROTATION_DEGREE;


ROTBuffer* rotation_buffer_setup(int numPlanes, int width, int height, int numBuffer);
void rotation_buffer_teardown(ROTBuffer *pROTbuf, int numBuffer);
GstFlowReturn rotation_transform(aml_ge2d_info_t *pge2dinfo, GstBuffer *inbuf, ROTBuffer *pROTbuf, ROTATION_DEGREE ROTDegree);
gboolean rotation_init(aml_ge2d_t* pAmlge2d, aml_ge2d_info_t **pge2dinfo);
gboolean rotation_exit(aml_ge2d_t* pAmlge2d);
gboolean get_rotation_size(int src_w, int src_h, int* dst_w, int* dst_h);