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

James Zern jzern at google.com
Wed Sep 21 22:14:52 EEST 2022


On Tue, Sep 20, 2022 at 2:17 PM Vignesh Venkatasubramanian
<vigneshv-at-google.com at ffmpeg.org> 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 content is the same as the 'auxC' box. So parameterize and re-use
> the existing function.
>
> Signed-off-by: Vignesh Venkatasubramanian <vigneshv at google.com>
> ---
>  libavformat/movenc.c | 27 +++++++++++++++------------
>  1 file changed, 15 insertions(+), 12 deletions(-)
>

lgtm.


More information about the ffmpeg-devel mailing list