97 lines
3.9 KiB
C
97 lines
3.9 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "v4l2-common.h"
|
|
|
|
const struct fmt_map avpriv_fmt_conversion_table[] = {
|
|
//ff_fmt codec_id v4l2_fmt
|
|
{ AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420 },
|
|
{ AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU420 },
|
|
{ AV_PIX_FMT_YUV422P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV422P },
|
|
{ AV_PIX_FMT_YUYV422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUYV },
|
|
{ AV_PIX_FMT_UYVY422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_UYVY },
|
|
{ AV_PIX_FMT_YUV411P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV411P },
|
|
{ AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV410 },
|
|
{ AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU410 },
|
|
{ AV_PIX_FMT_RGB555LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555 },
|
|
{ AV_PIX_FMT_RGB555BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555X },
|
|
{ AV_PIX_FMT_RGB565LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565 },
|
|
{ AV_PIX_FMT_RGB565BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565X },
|
|
{ AV_PIX_FMT_BGR24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR24 },
|
|
{ AV_PIX_FMT_RGB24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB24 },
|
|
{ AV_PIX_FMT_BGR0, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32 },
|
|
{ AV_PIX_FMT_0RGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32 },
|
|
{ AV_PIX_FMT_GRAY8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY },
|
|
#ifdef V4L2_PIX_FMT_Y16
|
|
{ AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16 },
|
|
#endif
|
|
{ AV_PIX_FMT_NV12, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12 },
|
|
{ AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_MJPEG },
|
|
{ AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_JPEG },
|
|
#ifdef V4L2_PIX_FMT_H264
|
|
{ AV_PIX_FMT_NONE, AV_CODEC_ID_H264, V4L2_PIX_FMT_H264 },
|
|
#endif
|
|
#ifdef V4L2_PIX_FMT_CPIA1
|
|
{ AV_PIX_FMT_NONE, AV_CODEC_ID_CPIA, V4L2_PIX_FMT_CPIA1 },
|
|
#endif
|
|
{ AV_PIX_FMT_NONE, AV_CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
uint32_t avpriv_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
|
|
if ((codec_id == AV_CODEC_ID_NONE ||
|
|
avpriv_fmt_conversion_table[i].codec_id == codec_id) &&
|
|
(pix_fmt == AV_PIX_FMT_NONE ||
|
|
avpriv_fmt_conversion_table[i].ff_fmt == pix_fmt)) {
|
|
return avpriv_fmt_conversion_table[i].v4l2_fmt;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
enum AVPixelFormat avpriv_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
|
|
if (avpriv_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt &&
|
|
avpriv_fmt_conversion_table[i].codec_id == codec_id) {
|
|
return avpriv_fmt_conversion_table[i].ff_fmt;
|
|
}
|
|
}
|
|
|
|
return AV_PIX_FMT_NONE;
|
|
}
|
|
|
|
enum AVCodecID avpriv_fmt_v4l2codec(uint32_t v4l2_fmt)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
|
|
if (avpriv_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) {
|
|
return avpriv_fmt_conversion_table[i].codec_id;
|
|
}
|
|
}
|
|
|
|
return AV_CODEC_ID_NONE;
|
|
}
|