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-rw-r--r--libavfilter/parseutils.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavfilter/parseutils.c b/libavfilter/parseutils.c
index 0b67d3ddac..79fa8b7470 100644
--- a/libavfilter/parseutils.c
+++ b/libavfilter/parseutils.c
@@ -292,6 +292,8 @@ static int parse_key_value_pair(void *ctx, const char **buf,
av_log(ctx, AV_LOG_DEBUG, "Setting value '%s' for key '%s'\n", val, key);
ret = av_set_string3(ctx, key, val, 1, NULL);
+ if (ret == AVERROR(ENOENT))
+ av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key);
av_free(key);
av_free(val);