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ffmpeg.wasm-core
Commit d2015e6b authored by Michael Niedermayer's avatar Michael Niedermayer
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avcodec/tscc: Do not duplicate images 

This improves speed

Fixes: Timeout
Fixes: 9010/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TSCC_fuzzer-6042614817095680

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpegSigned-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 679bfa45
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Showing with 4 additions and 259 deletions
libavcodec/tscc.c
View file @ d2015e6b
......@@ -94,6 +94,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
c->zstream.avail_out = c->decomp_size;
ret = inflate(&c->zstream, Z_FINISH);
// Z_DATA_ERROR means empty picture
if (ret == Z_DATA_ERROR && !palette_has_changed) {
return buf_size;
}
if ((ret != Z_OK) && (ret != Z_STREAM_END) && (ret != Z_DATA_ERROR)) {
av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", ret);
return AVERROR_UNKNOWN;
......
tests/ref/fate/tscc-15bit
View file @ d2015e6b
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tests/ref/fate/tscc-32bit
View file @ d2015e6b
......@@ -11,151 +11,30 @@
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