generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix incorrect FPS value returned by cap.get(CV_CAP_PROP_FPS)

Browse Source 
Current implementation returns NaN for some configs of FFMPEG, call default get_fps() instead (as also used by PROP_POS_MSEC)
This commit is contained in:
grundman 2015-10-30 17:48:04 -07:00
parent 6e2a68fdf3
commit f609ddba05
1 changed files with 1 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
modules/videoio/src/cap_ffmpeg_impl.hpp
View File

@ -823,14 +823,7 @@ double CvCapture_FFMPEG::getProperty( int property_id ) const
case CV_FFMPEG_CAP_PROP_FRAME_HEIGHT:
return (double)frame.height;
case CV_FFMPEG_CAP_PROP_FPS:
#if LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(54, 1, 0)
return av_q2d(video_st->avg_frame_rate);
#elif LIBAVCODEC_BUILD > 4753
return av_q2d(video_st->r_frame_rate);
#else
return (double)video_st->codec.frame_rate
/ (double)video_st->codec.frame_rate_base;
#endif
return get_fps();
case CV_FFMPEG_CAP_PROP_FOURCC:
#if LIBAVFORMAT_BUILD > 4628
return (double)video_st->codec->codec_tag;