The codec which is used is h264 . I didn't check the cmd-line tool yet , what option do I give ? --debug vismv ?
Br Christoph -----Original Message----- From: ffmpeg-devel-boun...@ffmpeg.org [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf Of Michael Niedermayer Sent: jeudi 2 juillet 2015 17:44 To: FFmpeg development discussions and patches Subject: Re: [FFmpeg-devel] extract mv data On Thu, Jul 02, 2015 at 03:29:20PM +0000, Stevens, Christoph (Christoph) wrote: > Dear ; > > I am trying to extract the mv data from an AVframe after calling > avcodec_decode_video2 , and tried the following Enabling the debug_mv > as well as debug on the AVCodecContext resulted in the deprecated struct > motion_val to stay empty 0x0 As well as an alternative approach via a call to > av_frame_get_side_data , of which an example can be found in the > /libavfilter/vf_codecView.h did result in an empty structure . > > I wonder why the above stays empty or nill , can anyone help me out > Thank you very much what codec is used ? not all codecs support extracting MV data also does it work with ffmpeg (the command line tool) ? [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Frequently ignored answer#1 FFmpeg bugs should be sent to our bugtracker. User questions about the command line tools should be sent to the ffmpeg-user ML. And questions about how to use libav* should be sent to the libav-user ML. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
