[FFmpeg-devel] 2nd ping

[James Almer]

On 4/21/2022 10:55 AM, MCC CS wrote:
> It would be great if anyone who reads this could review this small patch (original: https://ffmpeg.org/pipermail/ffmpeg-devel/2022-April/295351.html):
> 
> This is a repost of the patch by Chris Snowhill who originally sent this patch
> on 31 December - which didn't receive any replies. As you can see
> on https://trac.ffmpeg.org/ticket/9564 the patch is needed and works perfectly.
> 
> I have rebased it and recompiled it.
> 
> Original commit description:
> 
> Monterey needs mBytesPerFrame and mBytesPerPacket to be set, and I'm
> surprised this didn't break any previous system versions.
> 
> Fixes bug #9564: Cannot decode xHE-AAC with audiotoolbox (aac_at) on
> Mac OS Monterey. Fixes likely bug that none of the AudioToolbox
> decoders work on Monterey.
> ---
> libavcodec/audiotoolboxdec.c | 5 +++++
> 1 file changed, 5 insertions(+)
> 
> diff --git a/libavcodec/audiotoolboxdec.c b/libavcodec/audiotoolboxdec.c
> index b8d0e868f7..daccf4abf8 100644
> --- a/libavcodec/audiotoolboxdec.c
> +++ b/libavcodec/audiotoolboxdec.c
> @@ -375,6 +375,11 @@ static av_cold int ffat_create_decoder(AVCodecContext *avctx,
>       avctx->ch_layout.order       = AV_CHANNEL_ORDER_UNSPEC;
>       avctx->ch_layout.nb_channels = out_format.mChannelsPerFrame = in_format.mChannelsPerFrame;
> 
> +    out_format.mBytesPerFrame =
> +        out_format.mChannelsPerFrame * (out_format.mBitsPerChannel / 8);
> +    out_format.mBytesPerPacket =
> +        out_format.mBytesPerFrame * out_format.mFramesPerPacket;
> +
>       if (avctx->codec_id == AV_CODEC_ID_ADPCM_IMA_QT)
>           in_format.mFramesPerPacket = 64;
> 
> --
> 2.35.1

Will apply. Thanks.