[FFmpeg-cvslog] tools/target_dec_fuzzer: count all video decoding failures in the new API

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue Feb  2 19:10:26 2021 +0100| [887bd6b02f6fbcc55a27dae31729efb0b769d5e0] | committer: Michael Niedermayer

tools/target_dec_fuzzer: count all video decoding failures in the new API

The next commit depends on this

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=887bd6b02f6fbcc55a27dae31729efb0b769d5e0
---

 tools/target_dec_fuzzer.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index d987aecd21..d4b9f419de 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -352,6 +352,13 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
           if (ctx->codec_type != AVMEDIA_TYPE_SUBTITLE) {
               int ret = avcodec_send_packet(ctx, &avpkt);
               decode_more = ret >= 0;
+              if(!decode_more) {
+                    ec_pixels += (ctx->width + 32LL) * (ctx->height + 32LL);
+                    if (it > 20 || ec_pixels > 4 * ctx->max_pixels)
+                        ctx->error_concealment = 0;
+                    if (ec_pixels > maxpixels)
+                        goto maximums_reached;
+              }
           } else
               decode_more = 1;