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mpeg12: print error for invalid skip cases
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -770,8 +770,10 @@ static int mpeg_decode_mb(MpegEncContext *s, DCTELEM block[12][64])
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mb_type = s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride - 1];
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else
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mb_type = s->current_picture.f.mb_type[s->mb_width + (s->mb_y - 1) * s->mb_stride - 1]; // FIXME not sure if this is allowed in MPEG at all
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if (IS_INTRA(mb_type))
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if (IS_INTRA(mb_type)) {
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av_log(s->avctx, AV_LOG_ERROR, "skip with previntra\n");
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return -1;
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}
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s->current_picture.f.mb_type[s->mb_x + s->mb_y*s->mb_stride] =
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mb_type | MB_TYPE_SKIP;
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// av_assert2(s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride - 1] & (MB_TYPE_16x16 | MB_TYPE_16x8));
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