[FFmpeg] Add Support for tools/target_enc_fuzzer (#11933)

Code is based on the target_dec_fuzzer specific code

Signed-off-by: Michael Niedermayer <[email protected]>

projects/ffmpeg/build.sh

@@ -224,6 +224,23 @@ for c in $CONDITIONALS; do
  patchelf --set-rpath '$ORIGIN/lib' $OUT/$fuzzer_name
 done
 
+# Build fuzzers for encoders
+CONDITIONALS=$(grep 'ENCODER 1$' config_components.h | sed 's/#define CONFIG_\(.*\)_ENCODER 1/\1/')
+if [ -n "${OSS_FUZZ_CI-}" ]; then
+ # When running in CI, check the first targets only to save time and disk space
+ CONDITIONALS=(${CONDITIONALS[@]:0:2})
+fi
+
+for c in $CONDITIONALS; do
+ fuzzer_name=ffmpeg_AV_CODEC_ID_${c}_fuzzer
+ symbol=$(echo $c | sed "s/.*/\L\0/")
+ echo -en "[libfuzzer]\nmax_len = 1000000\n" >$OUT/${fuzzer_name}.options
+ make tools/target_enc_${symbol}_fuzzer
+ mv tools/target_enc_${symbol}_fuzzer $OUT/${fuzzer_name}
+ patchelf --set-rpath '$ORIGIN/lib' $OUT/$fuzzer_name
+done
+
+
 # Build fuzzer for sws
 fuzzer_name=ffmpeg_SWS_fuzzer
 echo -en "[libfuzzer]\nmax_len = 1000000\n" >$OUT/${fuzzer_name}.options