On 28/12/2019 01:38, Limin Wang wrote: > On Fri, Dec 27, 2019 at 11:32:40PM +0000, Mark Thompson wrote: >> On 26/12/2019 01:01, lance.lmw...@gmail.com wrote: >>> From: Limin Wang <lance.lmw...@gmail.com> >>> >>> Signed-off-by: Limin Wang <lance.lmw...@gmail.com> >>> --- >>> update to add keyframe NAL checking as H.264 patch for global header >> >> This case is much easier in H.265, though - the extradata can include SEI >> which applies globally, so just put it there rather than splicing it into >> the stream. > > Mark, are you say put the user data into the extradata? For my case, the > string > in the user data will be updated for every key frame runtime.
Yes - if you put it in the extradata then it isn't necessary to update any frames in the stream at all. That ends up being far simpler for global-header streams (MP4 / MKV), and in flat streams (Annex B, TS) the extradata will be spliced in at every seek point by the writer. - Mark _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
