lavfi/ocv: fix crash with no filter name specified.

12 years ago · 490786c02e
parent 51e71d6e11
commit 490786c02e
1 changed files with 4 additions and 0 deletions
--- a/libavfilter/vf_libopencv.c
+++ b/libavfilter/vf_libopencv.c
@ -322,6 +322,10 @@ static av_cold int init(AVFilterContext *ctx)
    OCVContext *ocv = ctx->priv;
    int i;

+    if (!ocv->name) {
+        av_log(ctx, AV_LOG_ERROR, "No libopencv filter name specified\n");
+        return AVERROR(EINVAL);
+    }
    for (i = 0; i < FF_ARRAY_ELEMS(ocv_filter_entries); i++) {
        OCVFilterEntry *entry = &ocv_filter_entries[i];
        if (!strcmp(ocv->name, entry->name)) {