lavfi/mp: fix invalid read with filters with no argument.

12 years ago · 359cd12a43
parent ef1868351d
commit 359cd12a43
1 changed files with 3 additions and 1 deletions
--- a/libavfilter/vf_mp.c
+++ b/libavfilter/vf_mp.c
@ -683,7 +683,9 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
        av_log(ctx, AV_LOG_ERROR, "Invalid parameter.\n");
        return AVERROR(EINVAL);
    }
-    args+= strlen(name)+1;
+    args += strlen(name);
+    if (args[0] == '=')
+        args++;

    for(i=0; ;i++){
        if(!filters[i] || !strcmp(name, filters[i]->name))