[FFmpeg-devel] [PATCH 01/16] vmdaudio: fix raw_block_size calculation.

Kostya kostya.shishkov
Wed Feb 23 19:57:10 CET 2011


On Wed, Feb 23, 2011 at 01:10:58PM -0500, Justin Ruggles wrote:
> 
> The size should depend on the output sample size, not the internal bit depth.
> ---
>  libavcodec/vmdav.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 

> diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c
> index e396c0b..c7f99db 100644
> --- a/libavcodec/vmdav.c
> +++ b/libavcodec/vmdav.c
> @@ -539,7 +539,8 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx,
>      } else if (buf[6] == 2) {
>          /* initial chunk, may contain audio and silence */
>          uint32_t flags = AV_RB32(p);
> -        int raw_block_size = s->block_align * s->bits / 8;
> +        int raw_block_size = s->block_align *
> +                             (av_get_bits_per_sample_fmt(avctx->sample_fmt) / 8);
>          int silent_chunks;
>          if(flags == 0xFFFFFFFF)
>              silent_chunks = 32;

still ok



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