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lavfi/showwaves: do not set on outlink->out_buf the sent video frame

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The video frame reference is passed along the filterchain, and is not
possessed anymore by the filter. If out_buf is not set to NULL, it will
be freed by ff_end_frame() causing a crash.
This commit is contained in:
Stefano Sabatini 2012-07-23 14:57:15 +02:00
parent cc12a94c36
commit 7afd42d9f2
1 changed files with 0 additions and 1 deletions
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libavfilter/avf_showwaves.c
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@ -206,7 +206,6 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
av_rescale_q((p - (int16_t *)insamples->data[0]) / nb_channels, av_rescale_q((p - (int16_t *)insamples->data[0]) / nb_channels,
(AVRational){ 1, inlink->sample_rate }, (AVRational){ 1, inlink->sample_rate },
outlink->time_base); outlink->time_base);
outlink->out_buf = outpicref;
linesize = outpicref->linesize[0]; linesize = outpicref->linesize[0];
memset(outpicref->data[0], 0, showwaves->h*linesize); memset(outpicref->data[0], 0, showwaves->h*linesize);
} }