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af_volume: preserve frame properties

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This commit is contained in:
Anton Khirnov 2014-02-19 20:55:27 +01:00
parent dcc7e4bf1d
commit 39c2880eea
1 changed files with 7 additions and 1 deletions
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8
libavfilter/af_volume.c
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@ -229,6 +229,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
AVFilterLink *outlink = inlink->dst->outputs[0];
int nb_samples = buf->nb_samples;
AVFrame *out_buf;
int ret;
if (vol->volume == 1.0 || vol->volume_i == 256)
return ff_filter_frame(outlink, buf);
@ -240,7 +241,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
out_buf = ff_get_audio_buffer(inlink, nb_samples);
if (!out_buf)
return AVERROR(ENOMEM);
out_buf->pts = buf->pts;
ret = av_frame_copy_props(out_buf, buf);
if (ret < 0) {
av_frame_free(&out_buf);
av_frame_free(&buf);
return ret;
}
}
if (vol->precision != PRECISION_FIXED || vol->volume_i > 0) {