[FFmpeg-devel] [PATCH] movenc/isom: update vpcC box to the latest draft specification

[James Almer]

On 4/21/2017 6:34 PM, Hendrik Leppkes wrote:
> On Fri, Apr 21, 2017 at 11:25 PM, KongQun Yang
> <kqyang-at-google.com at ffmpeg.org> wrote:
>> Hi Hendrik,
>>
>> Thanks for working on it. Version needs to be updated as well:
>> https://github.com/FFmpeg/FFmpeg/blob/b905ba5bc18c89c7fccd8621795755644442ef19/libavformat/movenc.c#L1115.
>> Suggest moving it into ff_isom_write_vpcc function too.
>>
> 
> The actual value of the version field doesn't seem to be mentioned in
> the specification anywhere.
> https://github.com/webmproject/vp9-dash/blob/master/VPCodecISOMediaFileFormatBinding.md
> 
> The only version info I can see is the v1.0 at the top, but thats
> hardly a direct correlation to single integer version field in the mp4
> box.
> 
> Or did I miss it somewhere?
> 
> - Hendrik

https://github.com/webmproject/vp9-dash/commit/7961d0feb5bd879c84aa71d208d5df30bd5d5192