Re: [FFmpeg-devel] [PATCH 1/2] avisynth: pass audio channel layout

[Stephen Hutchinson <qyot27@gmail.com>]

On 7/16/23 1:12 AM, Stephen Hutchinson wrote:
> ---
>   libavformat/avisynth.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
> index b426ac343e..027e8c63f6 100644
> --- a/libavformat/avisynth.c
> +++ b/libavformat/avisynth.c
> @@ -62,6 +62,7 @@ typedef struct AviSynthLibrary {
>       AVSC_DECLARE_FUNC(avs_create_script_environment);
>       AVSC_DECLARE_FUNC(avs_delete_script_environment);
>       AVSC_DECLARE_FUNC(avs_get_audio);
> +    AVSC_DECLARE_FUNC(avs_get_channel_mask);
>       AVSC_DECLARE_FUNC(avs_get_error);
>       AVSC_DECLARE_FUNC(avs_get_frame);
>       AVSC_DECLARE_FUNC(avs_get_version);
> @@ -157,6 +158,7 @@ static av_cold int avisynth_load_library(void)
>       LOAD_AVS_FUNC(avs_create_script_environment, 0);
>       LOAD_AVS_FUNC(avs_delete_script_environment, 0);
>       LOAD_AVS_FUNC(avs_get_audio, 0);
> +    LOAD_AVS_FUNC(avs_get_channel_mask, 1);
>       LOAD_AVS_FUNC(avs_get_error, 1); // New to AviSynth 2.6
>       LOAD_AVS_FUNC(avs_get_frame, 0);
>       LOAD_AVS_FUNC(avs_get_version, 0);
> @@ -793,6 +795,10 @@ static int avisynth_create_stream_audio(AVFormatContext *s, AVStream *st)
>       st->duration                        = avs->vi->num_audio_samples;
>       avpriv_set_pts_info(st, 64, 1, avs->vi->audio_samples_per_second);
>   
> +    if (avs_library.avs_get_version(avs->clip) >= 10)
> +        av_channel_layout_from_mask(&st->codecpar->ch_layout,
> +                                    avs_library.avs_get_channel_mask(avs->vi));
> +
>       switch (avs->vi->sample_type) {
>       case AVS_SAMPLE_INT8:
>           st->codecpar->codec_id = AV_CODEC_ID_PCM_U8;

Pushed.
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