qpel.c

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

/* 
	this is optimized for sh, which have post increment addressing (*p++)
	some cpu may be index (p[n]) faster than post increment (*p++)
*/

#define	LD(adr)	*(uint32_t*)(adr)

#define PIXOP2(OPNAME, OP) \
/*static inline void OPNAME ## _no_rnd_pixels8_l2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),no_rnd_avg32(LD32(src1  ),LD32(src2  )) ); \
		OP(LP(dst+4),no_rnd_avg32(LD32(src1+4),LD32(src2+4)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels8_l2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LD32(src1  ),LD32(src2  )) ); \
		OP(LP(dst+4),rnd_avg32(LD32(src1+4),LD32(src2+4)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels4_l2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LD32(src1  ),LD32(src2  )) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),no_rnd_avg32(LD32(src1  ),LD32(src2  )) ); \
		OP(LP(dst+4),no_rnd_avg32(LD32(src1+4),LD32(src2+4)) ); \
		OP(LP(dst+8),no_rnd_avg32(LD32(src1+8),LD32(src2+8)) ); \
		OP(LP(dst+12),no_rnd_avg32(LD32(src1+12),LD32(src2+12)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels16_l2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LD32(src1  ),LD32(src2  )) ); \
		OP(LP(dst+4),rnd_avg32(LD32(src1+4),LD32(src2+4)) ); \
		OP(LP(dst+8),rnd_avg32(LD32(src1+8),LD32(src2+8)) ); \
		OP(LP(dst+12),rnd_avg32(LD32(src1+12),LD32(src2+12)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}*/\
\
static inline void OPNAME ## _pixels4_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LP(src1  ),LP(src2  )) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels4_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LD32(src1  ),LP(src2  )) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),no_rnd_avg32(LD32(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),no_rnd_avg32(LD32(src1+4),LP(src2+4)) ); \
		OP(LP(dst+8),no_rnd_avg32(LD32(src1+8),LP(src2+8)) ); \
		OP(LP(dst+12),no_rnd_avg32(LD32(src1+12),LP(src2+12)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels16_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LD32(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),rnd_avg32(LD32(src1+4),LP(src2+4)) ); \
		OP(LP(dst+8),rnd_avg32(LD32(src1+8),LP(src2+8)) ); \
		OP(LP(dst+12),rnd_avg32(LD32(src1+12),LP(src2+12)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels8_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do { /* onlye src2 aligned */\
		OP(LP(dst  ),no_rnd_avg32(LD32(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),no_rnd_avg32(LD32(src1+4),LP(src2+4)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels8_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LD32(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),rnd_avg32(LD32(src1+4),LP(src2+4)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels8_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),no_rnd_avg32(LP(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),no_rnd_avg32(LP(src1+4),LP(src2+4)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels8_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LP(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),rnd_avg32(LP(src1+4),LP(src2+4)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),no_rnd_avg32(LP(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),no_rnd_avg32(LP(src1+4),LP(src2+4)) ); \
		OP(LP(dst+8),no_rnd_avg32(LP(src1+8),LP(src2+8)) ); \
		OP(LP(dst+12),no_rnd_avg32(LP(src1+12),LP(src2+12)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _pixels16_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
	do {\
		OP(LP(dst  ),rnd_avg32(LP(src1  ),LP(src2  )) ); \
		OP(LP(dst+4),rnd_avg32(LP(src1+4),LP(src2+4)) ); \
		OP(LP(dst+8),rnd_avg32(LP(src1+8),LP(src2+8)) ); \
		OP(LP(dst+12),rnd_avg32(LP(src1+12),LP(src2+12)) ); \
		src1+=src_stride1; \
		src2+=src_stride2; \
		dst+=dst_stride; \
	} while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _no_rnd_pixels16_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _pixels16_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _pixels16_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _no_rnd_pixels8_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _no_rnd_pixels8_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _pixels8_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _pixels8_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _pixels8_l4_aligned(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
	do { \
		uint32_t a0,a1,a2,a3; \
		UNPACK(a0,a1,LP(src1),LP(src2)); \
		UNPACK(a2,a3,LP(src3),LP(src4)); \
		OP(LP(dst),rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+4),LP(src2+4)); \
		UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
		OP(LP(dst+4),rnd_PACK(a0,a1,a2,a3)); \
		src1+=src_stride1;\
		src2+=src_stride2;\
		src3+=src_stride3;\
		src4+=src_stride4;\
		dst+=dst_stride;\
	} while(--h); \
} \
\
static inline void OPNAME ## _no_rnd_pixels8_l4_aligned(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
	do { \
		uint32_t a0,a1,a2,a3; \
		UNPACK(a0,a1,LP(src1),LP(src2)); \
		UNPACK(a2,a3,LP(src3),LP(src4)); \
		OP(LP(dst),no_rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+4),LP(src2+4)); \
		UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
		OP(LP(dst+4),no_rnd_PACK(a0,a1,a2,a3)); \
		src1+=src_stride1;\
		src2+=src_stride2;\
		src3+=src_stride3;\
		src4+=src_stride4;\
		dst+=dst_stride;\
	} while(--h); \
} \
\
static inline void OPNAME ## _pixels8_l4_aligned0(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
	do { \
		uint32_t a0,a1,a2,a3; /* src1 only not aligned */\
		UNPACK(a0,a1,LD32(src1),LP(src2)); \
		UNPACK(a2,a3,LP(src3),LP(src4)); \
		OP(LP(dst),rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LD32(src1+4),LP(src2+4)); \
		UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
		OP(LP(dst+4),rnd_PACK(a0,a1,a2,a3)); \
		src1+=src_stride1;\
		src2+=src_stride2;\
		src3+=src_stride3;\
		src4+=src_stride4;\
		dst+=dst_stride;\
	} while(--h); \
} \
\
static inline void OPNAME ## _no_rnd_pixels8_l4_aligned0(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
	do { \
		uint32_t a0,a1,a2,a3; \
		UNPACK(a0,a1,LD32(src1),LP(src2)); \
		UNPACK(a2,a3,LP(src3),LP(src4)); \
		OP(LP(dst),no_rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LD32(src1+4),LP(src2+4)); \
		UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
		OP(LP(dst+4),no_rnd_PACK(a0,a1,a2,a3)); \
		src1+=src_stride1;\
		src2+=src_stride2;\
		src3+=src_stride3;\
		src4+=src_stride4;\
		dst+=dst_stride;\
	} while(--h); \
} \
\
static inline void OPNAME ## _pixels16_l4_aligned(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
	do { \
		uint32_t a0,a1,a2,a3; \
		UNPACK(a0,a1,LP(src1),LP(src2)); \
		UNPACK(a2,a3,LP(src3),LP(src4)); \
		OP(LP(dst),rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+4),LP(src2+4)); \
		UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
		OP(LP(dst+8),rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+8),LP(src2+8)); \
		UNPACK(a2,a3,LP(src3+8),LP(src4+8)); \
		OP(LP(dst+8),rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+12),LP(src2+12)); \
		UNPACK(a2,a3,LP(src3+12),LP(src4+12)); \
		OP(LP(dst+12),rnd_PACK(a0,a1,a2,a3)); \
		src1+=src_stride1;\
		src2+=src_stride2;\
		src3+=src_stride3;\
		src4+=src_stride4;\
		dst+=dst_stride;\
	} while(--h); \
} \
\
static inline void OPNAME ## _no_rnd_pixels16_l4_aligned(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
	do { \
		uint32_t a0,a1,a2,a3; \
		UNPACK(a0,a1,LP(src1),LP(src2)); \
		UNPACK(a2,a3,LP(src3),LP(src4)); \
		OP(LP(dst),no_rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+4),LP(src2+4)); \
		UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
		OP(LP(dst+4),no_rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+8),LP(src2+8)); \
		UNPACK(a2,a3,LP(src3+8),LP(src4+8)); \
		OP(LP(dst+8),no_rnd_PACK(a0,a1,a2,a3)); \
		UNPACK(a0,a1,LP(src1+12),LP(src2+12)); \
		UNPACK(a2,a3,LP(src3+12),LP(src4+12)); \
		OP(LP(dst+12),no_rnd_PACK(a0,a1,a2,a3)); \
		src1+=src_stride1;\
		src2+=src_stride2;\
		src3+=src_stride3;\
		src4+=src_stride4;\
		dst+=dst_stride;\
	} while(--h); \