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@ -146,12 +146,36 @@ if ((y) < (x)) {\ |
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# define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s))) |
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#endif |
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#ifndef PACK4x8 |
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# if HAVE_BIGENDIAN |
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# define PACK4UINT8(a,b,c,d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d)) |
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# else |
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# define PACK4UINT8(a,b,c,d) (((d) << 24) | ((c) << 16) | ((b) << 8) | (a)) |
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#if HAVE_BIGENDIAN |
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# ifndef PACK_2U8 |
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# define PACK_2U8(a,b) (((a) << 8) | (b)) |
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# endif |
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# ifndef PACK_4U8 |
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# define PACK_4U8(a,b,c,d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d)) |
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# endif |
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# ifndef PACK_2U16 |
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# define PACK_2U16(a,b) (((a) << 16) | (b)) |
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# endif |
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#else |
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# ifndef PACK_2U8 |
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# define PACK_2U8(a,b) (((b) << 8) | (a)) |
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# endif |
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# ifndef PACK_4U2 |
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# define PACK_4U8(a,b,c,d) (((d) << 24) | ((c) << 16) | ((b) << 8) | (a)) |
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# endif |
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# ifndef PACK_2U16 |
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# define PACK_2U16(a,b) (((b) << 16) | (a)) |
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# endif |
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#endif |
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#ifndef PACK_2S8 |
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# define PACK_2S8(a,b) PACK_2U8((a)&255, (b)&255) |
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#endif |
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#ifndef PACK_4S8 |
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# define PACK_4S8(a,b,c,d) PACK_4U8((a)&255, (b)&255, (c)&255, (d)&255) |
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#endif |
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#ifndef PACK_2S16 |
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# define PACK_2S16(a,b) PACK_2U16((a)&0xffff, (b)&0xffff) |
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#endif |
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#endif /* AVCODEC_MATHOPS_H */ |
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