[FFmpeg-devel] [PATCH 3/4] avformat/mov_chan: respect channel order when parsing and creating chnl atom

[James Almer]

On 4/1/2024 3:56 PM, Marton Balint wrote:
> Previously we always assumed that the channels are in native order, even if
> they were not. The new channel layout API allows us to signal the proper
> channel order, so let's do so.
> 
> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
>   libavformat/mov_chan.c     | 145 +++++++++++++++++++++----------------
>   libavformat/mov_chan.h     |   5 +-
>   tests/ref/fate/mov-mp4-pcm |   2 +-
>   3 files changed, 86 insertions(+), 66 deletions(-)

[...]

> diff --git a/tests/ref/fate/mov-mp4-pcm b/tests/ref/fate/mov-mp4-pcm
> index 6bae8f800b..19a978df95 100644
> --- a/tests/ref/fate/mov-mp4-pcm
> +++ b/tests/ref/fate/mov-mp4-pcm
> @@ -1,4 +1,4 @@
> -99ad26b4054794e84bd962a1124cdccf *tests/data/fate/mov-mp4-pcm.mp4
> +462668dd69e7ce4fde4934d1d5978531 *tests/data/fate/mov-mp4-pcm.mp4

What changes in the output?

>   10587977 tests/data/fate/mov-mp4-pcm.mp4
>   #tb 0: 1/44100
>   #media_type 0: audio