[FFmpeg-devel] [PATCH] don't assign channels needlessly in audio.c

Michael Niedermayer michaelni
Wed Aug 6 21:45:37 CEST 2008


On Wed, Aug 06, 2008 at 03:07:49PM +0200, Benoit Fouet wrote:
> Hi,
> 
> see $subj, 'channels' value is never changed
> 
> -- 
> Benoit Fouet
> Purple Labs S.A.
> www.purplelabs.com
> 

> Index: libavdevice/audio.c
> ===================================================================
> --- libavdevice/audio.c	(revision 14643)
> +++ libavdevice/audio.c	(working copy)
> @@ -129,8 +129,6 @@
>          av_log(NULL, AV_LOG_ERROR, "SNDCTL_DSP_STEREO: %s\n", strerror(errno));
>          goto fail;
>      }
> -    if (tmp)
> -        s->channels = 2;
>  
>      tmp = s->sample_rate;
>      err = ioctl(audio_fd, SNDCTL_DSP_SPEED, &tmp);

ok


> @@ -236,7 +234,6 @@
>      st->codec->codec_type = CODEC_TYPE_AUDIO;
>      st->codec->codec_id = s->codec_id;
>      st->codec->sample_rate = s->sample_rate;
> -    st->codec->channels = s->channels;
>  
>      av_set_pts_info(st, 64, 1, 1000000);  /* 64 bits pts in us */

where is st->codec->channels set if this is removed ?


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Democracy is the form of government in which you can choose your dictator
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