riff: do not add empty metadata tags in INFO chunk

259d8c56 · Justin Ruggles · 3c370f5a · 259d8c56
Commit 259d8c56 authored Nov 25, 2012 by Justin Ruggles
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riff.c libavformat/riff.c +6 -0

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--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -734,6 +734,12 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)

        chunk_size += (chunk_size & 1);

+        if (!chunk_code) {
+            if (chunk_size)
+                avio_skip(pb, chunk_size);
+            continue;
+        }
+
        value = av_malloc(chunk_size + 1);
        if (!value) {
            av_log(s, AV_LOG_ERROR, "out of memory, unable to read INFO tag\n");