better build.sh for ffmpeg

1 files changed, 6 insertions, 8 deletions

diff --git a/projects/ffmpeg/build.sh b/projects/ffmpeg/build.sh
index 899edf38..90f35cb9 100755
--- a/projects/ffmpeg/build.sh
+++ b/projects/ffmpeg/build.sh
@@ -182,15 +182,13 @@ export TEMP_VAR_CODEC="AV_CODEC_ID_H264"
 export TEMP_VAR_CODEC_TYPE="VIDEO"
 
 # Build fuzzers for decoders.
-CODEC_NAMES=`git grep 'AV_CODEC_ID_[A-Z0-9_]*,' libavcodec/avcodec.h | grep -v '_NONE' | sed 's/.*AV_CODEC_ID_\([^,]*\),.*/\1/' `
-
-for codec in $CODEC_NAMES; do
-  fuzzer_name=ffmpeg_AV_CODEC_ID_${codec}_fuzzer
-
-  make tools/target_dec_${codec}_fuzzer
-  mv tools/target_dec_${codec}_fuzzer $OUT/${fuzzer_name}
-
+CONDITIONALS=`grep 'DECODER 1$' config.h | sed 's/#define CONFIG_\(.*\)_DECODER 1/\1/'`
+for c in $CONDITIONALS ; do
+  fuzzer_name=ffmpeg_AV_CODEC_ID_${c}_fuzzer
+  symbol=`git grep 'REGISTER_[A-Z]*DEC[A-Z ]*('"$c"' *,' libavcodec/allcodecs.c | sed 's/.*, *\([^) ]*\)).*/\1/'`
   echo -en "[libfuzzer]\nmax_len = 1000000\n" > $OUT/${fuzzer_name}.options
+  make tools/target_dec_${symbol}_fuzzer
+  mv tools/target_dec_${symbol}_fuzzer $OUT/${fuzzer_name}
 done
 
 # Find relevant corpus in test samples and archive them for every fuzzer.