Le keskiviikkona 21. syyskuuta 2022, 22.26.11 EEST Scott Theisen a écrit :
> diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
> index 7db5d1b1c5..bcf3a845a8 100644
> --- a/libavcodec/avcodec.h
> +++ b/libavcodec/avcodec.h
> @@ -2076,6 +2076,17 @@ typedef struct AVCodecContext {
> * The decoder can then override during decoding as needed.
> */
> AVChannelLayout ch_layout;
> +
> + /**
> + * Audio only. This flag is set when MPEG audio mode dual channel has
> been detected. + * This signals that the audio is two independent mono
> channels. + *
> + * 0 normally, 1 if dual channel flag is set.
> + *
> + * - encoding: currently unused (functionally equivalent to stereo,
> patch welcome) + * - decoding: set by lavc
> + */
> + int mpeg_audio_mode_dual_channel;
> } AVCodecContext;
I agree that the dual mono flag should be exposed to the application somehow,
but isn't this a slient ABI break?
--
Rémi Denis-Courmont
http://www.remlab.net/
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