static int filter_count = 0;
static AVFilter **filters = NULL;
-struct AVFilterGraph {
- unsigned filter_count;
- AVFilterContext **filters;
-};
-
-AVFilterGraph *avfilter_create_graph(void)
-{
- return av_mallocz(sizeof(AVFilterGraph));
-}
-
-void avfilter_destroy_graph(AVFilterGraph *graph)
-{
- unsigned i;
-
- for(i = 0; i < graph->filter_count; i ++)
- avfilter_destroy(graph->filters[i]);
- av_free(graph->filters);
- av_free(graph);
-}
-
-void avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter)
-{
- graph->filters = av_realloc(graph->filters,
- sizeof(AVFilterContext*) * ++graph->filter_count);
- graph->filters[graph->filter_count - 1] = filter;
-}
-
/* TODO: buffer pool. see comment for avfilter_default_get_video_buffer() */
void avfilter_default_free_video_buffer(AVFilterPic *pic)
{