[FFmpeg-devel] [PATCH 1/3] avcodec/avcodec: Add codec_tags array to AVCodec

Michael Niedermayer michael at niedermayer.cc
Mon Dec 30 01:38:17 EET 2019


This allows the fuzzer to target meaningfull codec tags instead
of hunting the 4gb space, which it seems to have problems with.

Suggested-by: James
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/avcodec.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 119b32dc1f..b0c6a8f2e3 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -3634,6 +3634,12 @@ typedef struct AVCodec {
      * The user can only access this field via avcodec_get_hw_config().
      */
     const struct AVCodecHWConfigInternal **hw_configs;
+
+    /**
+     * List of supported codec_tags, terminated by CODEC_TAGS_END.
+     */
+    const uint32_t *codec_tags;
+#define CODEC_TAGS_END -1
 } AVCodec;
 
 #if FF_API_CODEC_GET_SET
-- 
2.24.0



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