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

James Zern jzern at google.com
Tue Sep 20 22:38:05 EEST 2022


On Mon, Sep 19, 2022 at 4:03 PM Vignesh Venkatasubramanian
<vigneshv-at-google.com at ffmpeg.org> 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 auxiliary track to the
> decoder.
>
> The content is the same as the 'auxC' box. So paramterize and re-use

parameterize

> the existing function.
>
> Signed-off-by: Vignesh Venkatasubramanian <vigneshv at google.com>
> ---
>  libavformat/movenc.c | 27 +++++++++++++++------------
>  1 file changed, 15 insertions(+), 12 deletions(-)
>

lgtm.


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