diff options
| -rw-r--r-- | libavfilter/avfiltergraph.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c index 45b7a7fcad..1da5b7b912 100644 --- a/libavfilter/avfiltergraph.c +++ b/libavfilter/avfiltergraph.c @@ -54,6 +54,8 @@ AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name) static int query_formats(AVFilterGraph *graph) { int i, j; + int scaler_count = 0; + char inst_name[30]; /* ask all the sub-filters for their supported colorspaces */ for(i = 0; i < graph->filter_count; i ++) { @@ -72,9 +74,12 @@ static int query_formats(AVFilterGraph *graph) if(link && link->in_formats != link->out_formats) { if(!avfilter_merge_formats(link->in_formats, link->out_formats)) { + AVFilterContext *scale; /* couldn't merge format lists. auto-insert scale filter */ - AVFilterContext *scale = - avfilter_open(avfilter_get_by_name("scale"), NULL); + snprintf(inst_name, 30, "auto-inserted scaler %d", + scaler_count); + scale = + avfilter_open(avfilter_get_by_name("scale"),inst_name); if(!scale || scale->filter->init(scale, NULL, NULL) || avfilter_insert_filter(link, scale, 0, 0)) { |