From c0323b9c9bcebe029df0b19a19a6f81deef94b3a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 6 Sep 2011 22:16:26 +0200 Subject: [PATCH] avfilter: dont crash on filters with NULL instance names. Found-by: Rolf Siegrist Signed-off-by: Michael Niedermayer --- libavfilter/avfiltergraph.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c index 075e15672c..2997bbe344 100644 --- a/libavfilter/avfiltergraph.c +++ b/libavfilter/avfiltergraph.c @@ -272,7 +272,7 @@ int avfilter_graph_send_command(AVFilterGraph *graph, const char *target, const for (i = 0; i < graph->filter_count; i++) { AVFilterContext *filter = graph->filters[i]; - if(!strcmp(target, "all") || !strcmp(target, filter->name) || !strcmp(target, filter->filter->name)){ + if(!strcmp(target, "all") || (filter->name && !strcmp(target, filter->name)) || !strcmp(target, filter->filter->name)){ r = avfilter_process_command(filter, cmd, arg, res, res_len, flags); if(r != AVERROR(ENOSYS)) { if((flags & AVFILTER_CMD_FLAG_ONE) || r<0)