avcodec/ffv1dec: Support gray 10/12/16 explicitly avoid shifts
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -575,8 +575,19 @@ static int read_header(FFV1Context *f)
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if (!f->transparency && !f->chroma_planes) {
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if (f->avctx->bits_per_raw_sample <= 8)
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f->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
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else
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else if (f->avctx->bits_per_raw_sample == 10) {
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f->packed_at_lsb = 1;
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f->avctx->pix_fmt = AV_PIX_FMT_GRAY10;
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} else if (f->avctx->bits_per_raw_sample == 12) {
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f->packed_at_lsb = 1;
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f->avctx->pix_fmt = AV_PIX_FMT_GRAY12;
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} else if (f->avctx->bits_per_raw_sample == 16) {
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f->packed_at_lsb = 1;
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f->avctx->pix_fmt = AV_PIX_FMT_GRAY16;
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} else if (f->avctx->bits_per_raw_sample < 16) {
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f->avctx->pix_fmt = AV_PIX_FMT_GRAY16;
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} else
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return AVERROR(ENOSYS);
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} else if (f->transparency && !f->chroma_planes) {
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if (f->avctx->bits_per_raw_sample <= 8)
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f->avctx->pix_fmt = AV_PIX_FMT_YA8;
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