[FFmpeg-devel] [PATCH 3/3] tools/target_dec_fuzzer: Use codec_tags list
Michael Niedermayer
michael at niedermayer.cc
Mon Dec 30 01:38:19 EET 2019
This should make it much quicker for the fuzzer to test
real relevant codec_tags
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
tools/target_dec_fuzzer.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index c6e1235ad3..b9e08f74d2 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -212,6 +212,11 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
ctx->channels = (unsigned)bytestream2_get_le32(&gbc) % FF_SANE_NB_CHANNELS;
ctx->block_align = bytestream2_get_le32(&gbc) & 0x7FFFFFFF;
ctx->codec_tag = bytestream2_get_le32(&gbc);
+ if (c->codec_tags) {
+ int n;
+ for (n = 0; c->codec_tags[n] != CODEC_TAGS_END; n++);
+ ctx->codec_tag = c->codec_tags[ctx->codec_tag % n];
+ }
keyframes = bytestream2_get_le64(&gbc);
ctx->request_channel_layout = bytestream2_get_le64(&gbc);
--
2.24.0
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