On 10/21/18 4:45 PM, Jeyapal, Karthick wrote: > > On 10/21/18 2:28 PM, Hendrik Leppkes wrote: >> On Sun, Oct 21, 2018 at 10:41 AM Karthick J <kjeya...@akamai.com> wrote: >>> >>> For HEVC streams, only the FourCC tag is written without profile, level >>> etc., >>> This is breaking playout support in native Safari. >>> Native Safari playout expects the full info in CODECS tag or None at all. >> >> Generating the full string shouldn't be that impossible for HEVC >> either, why not go that more complete route? > Two reasons: > 1. I was not sure what is the right format of that string. I saw some > examples, like hvc1.2.4.L123.B0. But I didn't know what that meant. > If somebody here could provide some explanation or the relevant spec, I will > hold off this patch and would definitely try implementing it. > > 2. I heard recently in a demuxed talk that for 2K and 4K resolution Apple > clients don't playout properly even when properly constructed CODEC tag is > there(hvc1.2.4.L153). > But they played properly without a CODEC tag. > https://www.twitch.tv/videos/323919819 , Seek to 42:30 for the relevant info. > > For the above two reasons, I assumed it is going to be a time-consuming job. > Hence, I decided to atleast restore the earlier status for HEVC, so that we > don't break anything that was working properly earlier. Pushed. >> >> - Hendrik >> _______________________________________________ >> ffmpeg-devel mailing list >> ffmpeg-devel@ffmpeg.org >> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
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