Re: [FFmpeg-devel] [PATCH] avformat/movenc: Write auxi box for animated AVIF with alpha

2022-09-22 Thread James Zern
On Wed, Sep 21, 2022 at 12:14 PM James Zern wrote: > > On Tue, Sep 20, 2022 at 2:17 PM Vignesh Venkatasubramanian > wrote: > > > > According to the HEIF specification (ISO/IEC 23008-12) Section > > 7.5.3.1, tracks with handler_type 'auxv' must contain a 'auxi' box > > in its SampleEntry to

Re: [FFmpeg-devel] [PATCH] avformat/movenc: Write auxi box for animated AVIF with alpha

2022-09-21 Thread James Zern
On Tue, Sep 20, 2022 at 2:17 PM Vignesh Venkatasubramanian wrote: > > According to the HEIF specification (ISO/IEC 23008-12) Section > 7.5.3.1, tracks with handler_type 'auxv' must contain a 'auxi' box > in its SampleEntry to notify the nature of the auxiliary track to the > decoder. > > The

Re: [FFmpeg-devel] [PATCH] avformat/movenc: Write auxi box for animated AVIF with alpha

2022-09-20 Thread Vignesh Venkatasubramanian
On Tue, Sep 20, 2022 at 12:38 PM James Zern wrote: > > On Mon, Sep 19, 2022 at 4:03 PM Vignesh Venkatasubramanian > wrote: > > > > According to the HEIF specification Section 7.5.3.1, tracks with > > It might be worth adding ISO/IEC 23008-12 for added precision. > Done. > > handler_type 'auxv'

[FFmpeg-devel] [PATCH] avformat/movenc: Write auxi box for animated AVIF with alpha

2022-09-20 Thread Vignesh Venkatasubramanian
According to the HEIF specification (ISO/IEC 23008-12) Section 7.5.3.1, tracks with handler_type 'auxv' must contain a 'auxi' box in its SampleEntry to notify the nature of the auxiliary track to the decoder. The content is the same as the 'auxC' box. So parameterize and re-use the existing

Re: [FFmpeg-devel] [PATCH] avformat/movenc: Write auxi box for animated AVIF with alpha

2022-09-20 Thread James Zern
On Mon, Sep 19, 2022 at 4:03 PM Vignesh Venkatasubramanian wrote: > > According to the HEIF specification Section 7.5.3.1, tracks with It might be worth adding ISO/IEC 23008-12 for added precision. > handler_type 'auxv' must contain a 'auxi' box in its > SampleEntry to notify the nature of the

[FFmpeg-devel] [PATCH] avformat/movenc: Write auxi box for animated AVIF with alpha

2022-09-19 Thread Vignesh Venkatasubramanian
According to the HEIF specification Section 7.5.3.1, tracks with handler_type 'auxv' must contain a 'auxi' box in its SampleEntry to notify the nature of the auxiliary track to the decoder. The content is the same as the 'auxC' box. So paramterize and re-use the existing function. Signed-off-by: