mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-01-18 06:03:15 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add support for using new ffmpeg encoding API when writing a video.

Browse Source
This commit is contained in:
Peter Rekdal Sunde 2020-08-06 23:43:47 +02:00
parent 422f802ec9
commit 760e7e8efa
1 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
modules/videoio/src/cap_ffmpeg_impl.hpp
View File

@ -183,6 +183,16 @@ extern "C" {
#endif
#endif
#ifndef USE_AV_SEND_FRAME_API
// https://github.com/FFmpeg/FFmpeg/commit/7fc329e2dd6226dfecaa4a1d7adf353bf2773726
#if LIBAVCODEC_VERSION_MICRO >= 100 \
&& LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(57, 37, 100)
#define USE_AV_SEND_FRAME_API 1
#else
#define USE_AV_SEND_FRAME_API 0
#endif
#endif
#if USE_AV_INTERRUPT_CALLBACK
#define LIBAVFORMAT_INTERRUPT_OPEN_TIMEOUT_MS 30000
#define LIBAVFORMAT_INTERRUPT_READ_TIMEOUT_MS 30000
@ -1999,6 +2009,26 @@ static int icv_av_write_frame_FFMPEG( AVFormatContext * oc, AVStream * video_st,
#endif
{
/* encode the image */
#if USE_AV_SEND_FRAME_API
ret = avcodec_send_frame(c, picture);
while (ret >= 0)
{
AVPacket* pkt = av_packet_alloc();
pkt->stream_index = video_st->index;
ret = avcodec_receive_packet(c, pkt);
if(!ret)
{
av_packet_rescale_ts(pkt, c->time_base, video_st->time_base);
ret = av_write_frame(oc, pkt);
av_packet_free(&pkt);
continue;
}
av_packet_free(&pkt);
break;
}
#else
AVPacket pkt;
av_init_packet(&pkt);
#if LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(54, 1, 0)
@ -2040,6 +2070,7 @@ static int icv_av_write_frame_FFMPEG( AVFormatContext * oc, AVStream * video_st,
/* write the compressed frame in the media file */
ret = av_write_frame(oc, &pkt);
}
#endif
#endif
}
return ret;