------------------ Original ------------------ From: "wm4";<nfx...@googlemail.com>; Send time: Monday, Jun 19, 2017 4:11 PM To: "ffmpeg-devel"<ffmpeg-devel@ffmpeg.org>;
Subject: Re: [FFmpeg-devel] hev1 vs. hvc1 On Sun, 18 Jun 2017 13:32:42 +0000 Eran Kornblau <eran.kornb...@kaltura.com> wrote: > Hi all, > > We're trying to make ffmpeg output a format tag of 'hvc1' for HEVC, since it > seems that only hvc1 works in iOS 11 beta. > We saw that '-tag:v hvc1' does the trick, but it only works in 'mov' format, > and not in 'mp4' format (we're using mp4 > format for all our videos) > The reason is that ff_codec_movvideo_tags contains hvc1 while ff_mp4_obj_type > does not. > The question is - is this intentional? Would it make sense to submit a patch > to add hvc1 to mp4? > > Also, something that I don't understand - ff_codec_movvideo_tags has 4cc > values for 'tag' while ff_mp4_obj_type > has small integers values, so unless I'm missing something, any attempt to > force a tag in mp4 format will fail. > Can anyone explain why is that? I think there are pending patches on libav-devel. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel >>>>>>>>>>>>>>>>>> i think mov is mp4 format? _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
