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avcodec/mjpegdec: Check for rgb before flipping
Fixes assertion failure due to unsupported case Fixes: 356/fuzz-1-ffmpeg_VIDEO_AV_CODEC_ID_MJPEG_fuzzer Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 25d9643f1172ae6a210c671195ba3135895abaf3) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -2366,7 +2366,7 @@ the_end:
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}
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}
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}
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if (s->flipped) {
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if (s->flipped && !s->rgb) {
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int j;
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avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift);
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for (index=0; index<4; index++) {
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