On Wed, 22 Jun 2011 15:38:31 -0400, Justin Ruggles <[email protected]> wrote: Non-text part: multipart/mixed > > buffer_size/4 is the value used by aplay. This fixes output to null > devices, e.g. writing ALSA output to a file. > --- > libavdevice/alsa-audio-common.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/libavdevice/alsa-audio-common.c b/libavdevice/alsa-audio-common.c > index baa6ac7..4c7c881 100644 > --- a/libavdevice/alsa-audio-common.c > +++ b/libavdevice/alsa-audio-common.c > @@ -146,6 +146,8 @@ av_cold int ff_alsa_open(AVFormatContext *ctx, > snd_pcm_stream_t mode, > } > > snd_pcm_hw_params_get_period_size_min(hw_params, &period_size, NULL); > + if (!period_size) > + period_size = buffer_size / 4; > res = snd_pcm_hw_params_set_period_size_near(h, hw_params, &period_size, > NULL); > if (res < 0) { > av_log(ctx, AV_LOG_ERROR, "cannot set ALSA period size (%s)\n",
Seems to work for me, so should be ok. -- Anton Khirnov _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
