[FFmpeg-cvslog] Fix dca decoding for many samples after last commit.

[Reimar Döffinger]

On Fri, Oct 28, 2011 at 07:15:45PM +0200, Carl Eugen Hoyos wrote:
> diff --git a/libavcodec/dca.c b/libavcodec/dca.c
> index ddd2be9..5cf5b26 100644
> --- a/libavcodec/dca.c
> +++ b/libavcodec/dca.c
> @@ -1815,8 +1815,9 @@ static int dca_decode_frame(AVCodecContext * avctx,
>          return -1;
>      }
>  
> -    if (avctx->channels && avctx->channels != channels) {
> -        av_log(avctx, AV_LOG_INFO, "Number of channels changed in DCA decoder (%d -> %d)\n", avctx->channels, channels);
> +    if (avctx->channels != channels) {
> +        if (avctx->channels)
> +            av_log(avctx, AV_LOG_INFO, "Number of channels changed in DCA decoder (%d -> %d)\n", avctx->channels, channels);
>          avctx->channels = channels;

Stupid question, but what's the point of having the assignment in the
if anyway?

>     if (avctx->channels && avctx->channels != channels)
>         av_log(avctx, AV_LOG_INFO, "Number of channels changed in DCA decoder (%d -> %d)\n", avctx->channels, channels);
>     avctx->channels = channels;

Seems slightly simpler...