[FFmpeg-devel] [PATCH] avcodec/audiotoolboxdec: Fix decoding 24 Bit ALAC

mypopy at gmail.com mypopy at gmail.com
Tue Jul 9 12:01:52 EEST 2019


On Tue, Jul 9, 2019 at 12:37 AM Davis <macdavis1992 at gmail.com> wrote:
>
> "avctx->bits_per_raw_sample" always returns 0.
> Tested with 24 Bit ALAC. The result is bit-perfect.
> Fix #7287.
> ---
>  libavcodec/audiotoolboxdec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/audiotoolboxdec.c b/libavcodec/audiotoolboxdec.c
> index 5c0a9de8f6..95bf9acc42 100644
> --- a/libavcodec/audiotoolboxdec.c
> +++ b/libavcodec/audiotoolboxdec.c
> @@ -302,7 +302,7 @@ static av_cold int ffat_create_decoder(AVCodecContext *avctx, AVPacket *pkt)
>      OSStatus status;
>      int i;
>
> -    enum AVSampleFormat sample_fmt = (avctx->bits_per_raw_sample == 32) ?
> +    enum AVSampleFormat sample_fmt = (avctx->bits_per_coded_sample > 16) ?
LGTM
>                                       AV_SAMPLE_FMT_S32 : AV_SAMPLE_FMT_S16;
>
>      AudioStreamBasicDescription in_format = {
> --


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