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avcodec/arbc: Skip unchanged frames
Fixes: Timeout (16sec -> 5sec) Fixes: 14128/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARBC_fuzzer-5767365721063424 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -121,7 +121,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
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bytestream2_skip(&s->gb, 8);
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bytestream2_skip(&s->gb, 8);
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nb_segments = bytestream2_get_le16(&s->gb);
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nb_segments = bytestream2_get_le16(&s->gb);
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if (nb_segments == 0)
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if (nb_segments == 0)
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keyframe = 0;
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return avpkt->size;
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if (7 * nb_segments > bytestream2_get_bytes_left(&s->gb))
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if (7 * nb_segments > bytestream2_get_bytes_left(&s->gb))
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return AVERROR_INVALIDDATA;
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return AVERROR_INVALIDDATA;
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