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lavfi: factorize freeing a link

This commit is contained in:
Anton Khirnov 2013-03-31 17:18:43 +02:00
parent 1dd3561143
commit d79bd60405
1 changed files with 21 additions and 23 deletions
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44
libavfilter/avfilter.c
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@ -428,10 +428,28 @@ int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *in
}
#endif
static void free_link(AVFilterLink *link)
{
if (!link)
return;
if (link->src)
link->src->outputs[link->srcpad - link->src->output_pads] = NULL;
if (link->dst)
link->dst->inputs[link->dstpad - link->dst->input_pads] = NULL;
ff_formats_unref(&link->in_formats);
ff_formats_unref(&link->out_formats);
ff_formats_unref(&link->in_samplerates);
ff_formats_unref(&link->out_samplerates);
ff_channel_layouts_unref(&link->in_channel_layouts);
ff_channel_layouts_unref(&link->out_channel_layouts);
av_freep(&link);
}
void avfilter_free(AVFilterContext *filter)
{
int i;
AVFilterLink *link;
if (filter->graph)
ff_filter_graph_remove_filter(filter->graph, filter);
@ -440,30 +458,10 @@ void avfilter_free(AVFilterContext *filter)
filter->filter->uninit(filter);
for (i = 0; i < filter->nb_inputs; i++) {
if ((link = filter->inputs[i])) {
if (link->src)
link->src->outputs[link->srcpad - link->src->output_pads] = NULL;
ff_formats_unref(&link->in_formats);
ff_formats_unref(&link->out_formats);
ff_formats_unref(&link->in_samplerates);
ff_formats_unref(&link->out_samplerates);
ff_channel_layouts_unref(&link->in_channel_layouts);
ff_channel_layouts_unref(&link->out_channel_layouts);
}
av_freep(&link);
free_link(filter->inputs[i]);
}
for (i = 0; i < filter->nb_outputs; i++) {
if ((link = filter->outputs[i])) {
if (link->dst)
link->dst->inputs[link->dstpad - link->dst->input_pads] = NULL;
ff_formats_unref(&link->in_formats);
ff_formats_unref(&link->out_formats);
ff_formats_unref(&link->in_samplerates);
ff_formats_unref(&link->out_samplerates);
ff_channel_layouts_unref(&link->in_channel_layouts);
ff_channel_layouts_unref(&link->out_channel_layouts);
}
av_freep(&link);
free_link(filter->outputs[i]);
}
if (filter->filter->priv_class)