tools/target_dec_fuzzer: enable mjpeg for tiff or tdsc

This is needed for fuzzing tiff/tdsc and should increase coverage

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 5240d0afdfaf8ced30a9805bdf1d9745f2246a33..80f128cade5a2fce59d3fa02864fede1c3b1020c 100644 (file)
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -812,6 +812,7 @@ extern AVCodec ff_vp9_qsv_encoder;
 // The iterate API is not usable with ossfuzz due to the excessive size of binaries created
 #if CONFIG_OSSFUZZ
 AVCodec * codec_list[] = {
+    NULL,
     NULL,
     NULL
 };

diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index d01deaf8d5930a8ebc5d91dbe92271896ff7d871..66ee99a91dfec6b8255b6eec2114d2cd56b79395 100644 (file)
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -120,6 +120,12 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         codec_list[0] = &DECODER_SYMBOL(FFMPEG_DECODER);
         avcodec_register(&DECODER_SYMBOL(FFMPEG_DECODER));
 
+#if FFMPEG_DECODER == tiff || FFMPEG_DECODER == tdsc
+        extern AVCodec DECODER_SYMBOL(mjpeg);
+        codec_list[1] = &DECODER_SYMBOL(mjpeg);
+        avcodec_register(&DECODER_SYMBOL(mjpeg));
+#endif
+
         c = &DECODER_SYMBOL(FFMPEG_DECODER);
 #else
         avcodec_register_all();