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Code Issues Releases Activity

avfilter: add a pointer from links to graph.

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This commit is contained in:
Nicolas George 2012-04-19 12:43:33 +02:00
parent 78ac49c233
commit e0761feec4
2 changed files with 22 additions and 0 deletions
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6
libavfilter/avfilter.h
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@ -690,6 +690,12 @@ struct AVFilterLink {
AVRational time_base;
struct AVFilterPool *pool;
/**
* Graph the filter belongs to.
*/
struct AVFilterGraph *graph;
};
/**

16
libavfilter/avfiltergraph.c
View File

@ -374,6 +374,21 @@ int ff_avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)
return 0;
}
static void ff_avfilter_graph_config_pointers(AVFilterGraph *graph,
AVClass *log_ctx)
{
unsigned i, j;;
AVFilterContext *f;
for (i = 0; i < graph->filter_count; i++) {
f = graph->filters[i];
for (j = 0; j < f->input_count; j++)
f->inputs[j]->graph = graph;
for (j = 0; j < f->output_count; j++)
f->outputs[j]->graph = graph;
}
}
int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx)
{
int ret;
@ -384,6 +399,7 @@ int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx)
return ret;
if ((ret = ff_avfilter_graph_config_links(graphctx, log_ctx)))
return ret;
ff_avfilter_graph_config_pointers(graphctx, log_ctx);
return 0;
}