On 10/8/19, Steven Liu <l...@chinaffmpeg.org> wrote:
> only frame linesize[0] can get length size,
> i have tested before patch like this:
> ffmpeg -i /Users/liuqi/input.mp3 -codec:a ac3 -ac 5 a.ac3
> ./doc/examples/decode_audio a.ac3 a.pcm
> ffplay -f f32le -ac 5 -ar 44100 a.pcm
> there have problem.
>
> no problem after this patch.
>
> Reported-by: Bepartofyou
> Signed-off-by: Steven Liu <l...@chinaffmpeg.org>
> ---
>  doc/examples/decode_audio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/doc/examples/decode_audio.c b/doc/examples/decode_audio.c
> index 6c2a8ed550..4a81302ad3 100644
> --- a/doc/examples/decode_audio.c
> +++ b/doc/examples/decode_audio.c
> @@ -98,7 +98,7 @@ static void decode(AVCodecContext *dec_ctx, AVPacket *pkt,
> AVFrame *frame,
>          }
>          for (i = 0; i < frame->nb_samples; i++)
>              for (ch = 0; ch < dec_ctx->channels; ch++)
> -                fwrite(frame->data[ch] + data_size*i, 1, data_size,
> outfile);
> +                fwrite(frame->data[0] + data_size*i, 1, data_size,
> outfile);
>      }
>  }

OK, but check for case of planar sample format is missing.


>
> --
> 2.15.1
>
>
>
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