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@ -571,24 +571,24 @@ int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContex |
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} |
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} |
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/* fill lookup tables for intensity compensation */ |
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/* fill lookup tables for intensity compensation */ |
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#define INIT_LUT(lumscale, lumshift, luty, lutuv) do { \ |
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#define INIT_LUT(lumscale, lumshift, luty, lutuv) do { \ |
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int scale, shift, i; \
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int scale, shift, i; \
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if (!lumscale) { \
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if (!lumscale) { \
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scale = -64; \
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scale = -64; \
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shift = (255 - lumshift * 2) << 6; \
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shift = (255 - lumshift * 2) << 6; \
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if (lumshift > 31) \
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if (lumshift > 31) \
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shift += 128 << 6; \
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shift += 128 << 6; \
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} else { \
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} else { \
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scale = lumscale + 32; \
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scale = lumscale + 32; \
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if (lumshift > 31) \
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if (lumshift > 31) \
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shift = (lumshift - 64) << 6; \
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shift = (lumshift - 64) << 6; \
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else \
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else \
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shift = lumshift << 6; \
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shift = lumshift << 6; \
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} \
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} \
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for (i = 0; i < 256; i++) { \
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for (i = 0; i < 256; i++) { \
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luty[i] = av_clip_uint8((scale * i + shift + 32) >> 6); \
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luty[i] = av_clip_uint8((scale * i + shift + 32) >> 6); \
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lutuv[i] = av_clip_uint8((scale * (i - 128) + 128*64 + 32) >> 6); \
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lutuv[i] = av_clip_uint8((scale * (i - 128) + 128*64 + 32) >> 6); \
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} \
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} \
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} while(0) |
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} while(0) |
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int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) |
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int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) |
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