liba52_changes.diff

自己移植的linux下的流媒体播放器原代码,支持mms协议,支持ftp和http协议.

+	"pfadd 8(%1, %%esi), %%mm1	\n\t"
+	"pfadd 16(%1, %%esi), %%mm2	\n\t" 
+	"pfadd 24(%1, %%esi), %%mm3	\n\t"
+	"pfadd %%mm7, %%mm0		\n\t"
+	"pfadd %%mm7, %%mm1		\n\t"
+	"pfadd %%mm7, %%mm2		\n\t"
+	"pfadd %%mm7, %%mm3		\n\t"
+	"movq  %%mm0, (%1, %%esi)	\n\t"
+	"movq  %%mm1, 8(%1, %%esi)	\n\t"
+	"movq  %%mm2, 16(%1, %%esi)	\n\t"
+	"movq  %%mm3, 24(%1, %%esi)	\n\t"
+	"addl $32, %%esi		\n\t"
+	" jnz 1b			\n\t"
+	:: "r" (src+256), "r" (dest+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix3to1_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+	"movd  %1, %%mm7	\n\t"
+	"punpckldq %1, %%mm7	\n\t"
+	"movl $-1024, %%esi	\n\t"
+	".balign 16\n\t"
+	"1:			\n\t"
+	"movq  (%0, %%esi), %%mm0	\n\t" 
+	"movq  8(%0, %%esi), %%mm1	\n\t"
+	"movq  1024(%0, %%esi), %%mm2	\n\t" 
+	"movq  1032(%0, %%esi), %%mm3	\n\t"
+	"pfadd 2048(%0, %%esi), %%mm0	\n\t" 
+	"pfadd 2056(%0, %%esi), %%mm1	\n\t"
+	"pfadd %%mm7, %%mm0		\n\t"
+	"pfadd %%mm7, %%mm1		\n\t"
+	"pfadd %%mm2, %%mm0		\n\t"
+	"pfadd %%mm3, %%mm1		\n\t"
+	"movq  %%mm0, (%0, %%esi)	\n\t"
+	"movq  %%mm1, 8(%0, %%esi)	\n\t"
+	"addl $16, %%esi		\n\t"
+	" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix4to1_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+	"movd  %1, %%mm7	\n\t"
+	"punpckldq %1, %%mm7	\n\t"
+	"movl $-1024, %%esi	\n\t"
+	".balign 16\n\t"
+	"1:			\n\t"
+	"movq  (%0, %%esi), %%mm0	\n\t" 
+	"movq  8(%0, %%esi), %%mm1	\n\t"
+	"movq  1024(%0, %%esi), %%mm2	\n\t" 
+	"movq  1032(%0, %%esi), %%mm3	\n\t"
+	"pfadd 2048(%0, %%esi), %%mm0	\n\t" 
+	"pfadd 2056(%0, %%esi), %%mm1	\n\t"
+	"pfadd 3072(%0, %%esi), %%mm2	\n\t" 
+	"pfadd 3080(%0, %%esi), %%mm3	\n\t"
+	"pfadd %%mm7, %%mm0		\n\t"
+	"pfadd %%mm7, %%mm1		\n\t"
+	"pfadd %%mm2, %%mm0		\n\t"
+	"pfadd %%mm3, %%mm1		\n\t"
+	"movq  %%mm0, (%0, %%esi)	\n\t"
+	"movq  %%mm1, 8(%0, %%esi)	\n\t"
+	"addl $16, %%esi		\n\t"
+	" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix5to1_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+	"movd  %1, %%mm7	\n\t"
+	"punpckldq %1, %%mm7	\n\t"
+	"movl $-1024, %%esi	\n\t"
+	".balign 16\n\t"
+	"1:			\n\t"
+	"movq  (%0, %%esi), %%mm0	\n\t" 
+	"movq  8(%0, %%esi), %%mm1	\n\t"
+	"movq  1024(%0, %%esi), %%mm2	\n\t" 
+	"movq  1032(%0, %%esi), %%mm3	\n\t"
+	"pfadd 2048(%0, %%esi), %%mm0	\n\t" 
+	"pfadd 2056(%0, %%esi), %%mm1	\n\t"
+	"pfadd 3072(%0, %%esi), %%mm2	\n\t" 
+	"pfadd 3080(%0, %%esi), %%mm3	\n\t"
+	"pfadd %%mm7, %%mm0		\n\t"
+	"pfadd %%mm7, %%mm1		\n\t"
+	"pfadd 4096(%0, %%esi), %%mm2	\n\t" 
+	"pfadd 4104(%0, %%esi), %%mm3	\n\t"
+	"pfadd %%mm2, %%mm0		\n\t"
+	"pfadd %%mm3, %%mm1		\n\t"
+	"movq  %%mm0, (%0, %%esi)	\n\t"
+	"movq  %%mm1, 8(%0, %%esi)	\n\t"
+	"addl $16, %%esi		\n\t"
+	" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix3to2_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+	"movd  %1, %%mm7	\n\t"
+	"punpckldq %1, %%mm7	\n\t"
+	"movl $-1024, %%esi	\n\t"
+	".balign 16\n\t"
+	"1:			\n\t"
+	"movq   1024(%0, %%esi), %%mm0	\n\t" 
+	"movq   1032(%0, %%esi), %%mm1	\n\t"
+	"pfadd  %%mm7, %%mm0		\n\t" //common
+	"pfadd  %%mm7, %%mm1		\n\t" //common
+	"movq   (%0, %%esi), %%mm2	\n\t" 
+	"movq   8(%0, %%esi), %%mm3	\n\t"
+	"movq   2048(%0, %%esi), %%mm4	\n\t"
+	"movq   2056(%0, %%esi), %%mm5	\n\t"
+	"pfadd  %%mm0, %%mm2		\n\t"
+	"pfadd  %%mm1, %%mm3		\n\t"
+	"pfadd  %%mm0, %%mm4		\n\t"
+	"pfadd  %%mm1, %%mm5		\n\t"
+	"movq   %%mm2, (%0, %%esi)	\n\t"
+	"movq   %%mm3, 8(%0, %%esi)	\n\t"
+	"movq   %%mm4, 1024(%0, %%esi)	\n\t"
+	"movq   %%mm5, 1032(%0, %%esi)	\n\t"
+	"addl $16, %%esi		\n\t"
+	" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix21to2_3dnow (sample_t * left, sample_t * right, sample_t bias)
+{
+	asm volatile(
+		"movd  %2, %%mm7	\n\t"
+		"punpckldq %2, %%mm7	\n\t"
+		"movl $-1024, %%esi	\n\t"
+		".balign 16\n\t"
+		"1:			\n\t"
+		"movq  1024(%1, %%esi), %%mm0	\n\t" 
+		"movq  1032(%1, %%esi), %%mm1	\n\t"
+		"pfadd %%mm7, %%mm0		\n\t" //common
+		"pfadd %%mm7, %%mm1		\n\t" //common
+		"movq  (%0, %%esi), %%mm2	\n\t" 
+		"movq  8(%0, %%esi), %%mm3	\n\t"
+		"movq  (%1, %%esi), %%mm4	\n\t"
+		"movq  8(%1, %%esi), %%mm5	\n\t"
+		"pfadd %%mm0, %%mm2		\n\t"
+		"pfadd %%mm1, %%mm3		\n\t"
+		"pfadd %%mm0, %%mm4		\n\t"
+		"pfadd %%mm1, %%mm5		\n\t"
+		"movq  %%mm2, (%0, %%esi)	\n\t"
+		"movq  %%mm3, 8(%0, %%esi)	\n\t"
+		"movq  %%mm4, (%1, %%esi)	\n\t"
+		"movq  %%mm5, 8(%1, %%esi)	\n\t"
+		"addl $16, %%esi		\n\t"
+		" jnz 1b			\n\t"
+	:: "r" (left+256), "r" (right+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix21toS_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+		"movd  %1, %%mm7	\n\t"
+		"punpckldq %1, %%mm7	\n\t"
+		"movl $-1024, %%esi	\n\t"
+		".balign 16\n\t"
+		"1:			\n\t"
+		"movq  2048(%0, %%esi), %%mm0	\n\t"  // surround
+		"movq  2056(%0, %%esi), %%mm1	\n\t"  // surround
+		"movq  (%0, %%esi), %%mm2	\n\t" 
+		"movq  8(%0, %%esi), %%mm3	\n\t"
+		"movq  1024(%0, %%esi), %%mm4	\n\t"
+		"movq  1032(%0, %%esi), %%mm5	\n\t"
+		"pfadd %%mm7, %%mm2		\n\t"
+		"pfadd %%mm7, %%mm3		\n\t"
+		"pfadd %%mm7, %%mm4		\n\t"
+		"pfadd %%mm7, %%mm5		\n\t"
+		"pfsub %%mm0, %%mm2		\n\t"
+		"pfsub %%mm1, %%mm3		\n\t"
+		"pfadd %%mm0, %%mm4		\n\t"
+		"pfadd %%mm1, %%mm5		\n\t"
+		"movq  %%mm2, (%0, %%esi)	\n\t"
+		"movq  %%mm3, 8(%0, %%esi)	\n\t"
+		"movq  %%mm4, 1024(%0, %%esi)	\n\t"
+		"movq  %%mm5, 1032(%0, %%esi)	\n\t"
+		"addl $16, %%esi		\n\t"
+		" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix31to2_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+		"movd  %1, %%mm7	\n\t"
+		"punpckldq %1, %%mm7	\n\t"
+		"movl $-1024, %%esi	\n\t"
+		".balign 16\n\t"
+		"1:			\n\t"
+		"movq  1024(%0, %%esi), %%mm0	\n\t"  
+		"movq  1032(%0, %%esi), %%mm1	\n\t"
+		"pfadd 3072(%0, %%esi), %%mm0	\n\t"  
+		"pfadd 3080(%0, %%esi), %%mm1	\n\t"
+		"pfadd %%mm7, %%mm0		\n\t" // common
+		"pfadd %%mm7, %%mm1		\n\t" // common
+		"movq  (%0, %%esi), %%mm2	\n\t" 
+		"movq  8(%0, %%esi), %%mm3	\n\t"
+		"movq  2048(%0, %%esi), %%mm4	\n\t"
+		"movq  2056(%0, %%esi), %%mm5	\n\t"
+		"pfadd %%mm0, %%mm2		\n\t"
+		"pfadd %%mm1, %%mm3		\n\t"
+		"pfadd %%mm0, %%mm4		\n\t"
+		"pfadd %%mm1, %%mm5		\n\t"
+		"movq  %%mm2, (%0, %%esi)	\n\t"
+		"movq  %%mm3, 8(%0, %%esi)	\n\t"
+		"movq  %%mm4, 1024(%0, %%esi)	\n\t"
+		"movq  %%mm5, 1032(%0, %%esi)	\n\t"
+		"addl $16, %%esi		\n\t"
+		" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix31toS_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+		"movd  %1, %%mm7	\n\t"
+		"punpckldq %1, %%mm7	\n\t"
+		"movl $-1024, %%esi	\n\t"
+		".balign 16\n\t"
+		"1:			\n\t"
+		"movq   1024(%0, %%esi), %%mm0	\n\t"  
+		"movq   1032(%0, %%esi), %%mm1	\n\t"
+		"pfadd  %%mm7, %%mm0		\n\t" // common
+		"pfadd  %%mm7, %%mm1		\n\t" // common
+		"movq   (%0, %%esi), %%mm2	\n\t" 
+		"movq   8(%0, %%esi), %%mm3	\n\t"
+		"movq   2048(%0, %%esi), %%mm4	\n\t"
+		"movq   2056(%0, %%esi), %%mm5	\n\t"
+		"pfadd  %%mm0, %%mm2		\n\t"
+		"pfadd  %%mm1, %%mm3		\n\t"
+		"pfadd  %%mm0, %%mm4		\n\t"
+		"pfadd  %%mm1, %%mm5		\n\t"
+		"movq   3072(%0, %%esi), %%mm0	\n\t" // surround
+		"movq   3080(%0, %%esi), %%mm1	\n\t" // surround
+		"pfsub  %%mm0, %%mm2		\n\t"
+		"pfsub  %%mm1, %%mm3		\n\t"
+		"pfadd  %%mm0, %%mm4		\n\t"
+		"pfadd  %%mm1, %%mm5		\n\t"
+		"movq   %%mm2, (%0, %%esi)	\n\t"
+		"movq   %%mm3, 8(%0, %%esi)	\n\t"
+		"movq   %%mm4, 1024(%0, %%esi)	\n\t"
+		"movq   %%mm5, 1032(%0, %%esi)	\n\t"
+		"addl $16, %%esi		\n\t"
+		" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix22toS_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+		"movd  %1, %%mm7	\n\t"
+		"punpckldq %1, %%mm7	\n\t"
+		"movl $-1024, %%esi	\n\t"
+		".balign 16\n\t"
+		"1:			\n\t"
+		"movq  2048(%0, %%esi), %%mm0	\n\t"  
+		"movq  2056(%0, %%esi), %%mm1	\n\t"
+		"pfadd 3072(%0, %%esi), %%mm0	\n\t" // surround
+		"pfadd 3080(%0, %%esi), %%mm1	\n\t" // surround
+		"movq  (%0, %%esi), %%mm2	\n\t" 
+		"movq  8(%0, %%esi), %%mm3	\n\t"
+		"movq  1024(%0, %%esi), %%mm4	\n\t"
+		"movq  1032(%0, %%esi), %%mm5	\n\t"
+		"pfadd %%mm7, %%mm2		\n\t"
+		"pfadd %%mm7, %%mm3		\n\t"
+		"pfadd %%mm7, %%mm4		\n\t"
+		"pfadd %%mm7, %%mm5		\n\t"
+		"pfsub %%mm0, %%mm2		\n\t"
+		"pfsub %%mm1, %%mm3		\n\t"
+		"pfadd %%mm0, %%mm4		\n\t"
+		"pfadd %%mm1, %%mm5		\n\t"
+		"movq  %%mm2, (%0, %%esi)	\n\t"
+		"movq  %%mm3, 8(%0, %%esi)	\n\t"
+		"movq  %%mm4, 1024(%0, %%esi)	\n\t"
+		"movq  %%mm5, 1032(%0, %%esi)	\n\t"
+		"addl $16, %%esi		\n\t"
+		" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void mix32to2_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+	"movd  %1, %%mm7	\n\t"
+	"punpckldq %1, %%mm7	\n\t"
+	"movl $-1024, %%esi	\n\t"
+	".balign 16\n\t"
+	"1:			\n\t"
+	"movq   1024(%0, %%esi), %%mm0	\n\t" 
+	"movq   1032(%0, %%esi), %%mm1	\n\t"
+	"pfadd  %%mm7, %%mm0		\n\t" // common
+	"pfadd  %%mm7, %%mm1		\n\t" // common
+	"movq   %%mm0, %%mm2		\n\t" // common
+	"movq   %%mm1, %%mm3		\n\t" // common
+	"pfadd  (%0, %%esi), %%mm0	\n\t" 
+	"pfadd  8(%0, %%esi), %%mm1	\n\t"
+	"pfadd  2048(%0, %%esi), %%mm2	\n\t" 
+	"pfadd  2056(%0, %%esi), %%mm3	\n\t"
+	"pfadd  3072(%0, %%esi), %%mm0	\n\t" 
+	"pfadd  3080(%0, %%esi), %%mm1	\n\t"
+	"pfadd  4096(%0, %%esi), %%mm2	\n\t" 
+	"pfadd  4104(%0, %%esi), %%mm3	\n\t"
+	"movq   %%mm0, (%0, %%esi)	\n\t"
+	"movq   %%mm1, 8(%0, %%esi)	\n\t"
+	"movq   %%mm2, 1024(%0, %%esi)	\n\t"
+	"movq   %%mm3, 1032(%0, %%esi)	\n\t"
+	"addl $16, %%esi		\n\t"
+	" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+/* todo: should be optimized better */
+static void mix32toS_3dnow (sample_t * samples, sample_t bias)
+{
+	asm volatile(
+	"movl $-1024, %%esi	\n\t"
+	".balign 16\n\t"
+	"1:			\n\t"
+	"movd  %1, %%mm7		\n\t"
+	"punpckldq %1, %%mm7		\n\t"
+	"movq  1024(%0, %%esi), %%mm0	\n\t" 
+	"movq  1032(%0, %%esi), %%mm1	\n\t"
+	"movq  3072(%0, %%esi), %%mm4	\n\t" 
+	"movq  3080(%0, %%esi), %%mm5	\n\t"
+	"pfadd %%mm7, %%mm0		\n\t" // common
+	"pfadd %%mm7, %%mm1		\n\t" // common
+	"pfadd 4096(%0, %%esi), %%mm4	\n\t" // surround	
+	"pfadd 4104(%0, %%esi), %%mm5	\n\t" // surround
+	"movq  (%0, %%esi), %%mm2	\n\t" 
+	"movq  8(%0, %%esi), %%mm3	\n\t"
+	"movq  2048(%0, %%esi), %%mm6	\n\t" 
+	"movq  2056(%0, %%esi), %%mm7	\n\t"
+	"pfsub %%mm4, %%mm2		\n\t"	
+	"pfsub %%mm5, %%mm3		\n\t"
+	"pfadd %%mm4, %%mm6		\n\t"	
+	"pfadd %%mm5, %%mm7		\n\t"
+	"pfadd %%mm0, %%mm2		\n\t"	
+	"pfadd %%mm1, %%mm3		\n\t"
+	"pfadd %%mm0, %%mm6		\n\t"	
+	"pfadd %%mm1, %%mm7		\n\t"
+	"movq  %%mm2, (%0, %%esi)	\n\t"
+	"movq  %%mm3, 8(%0, %%esi)	\n\t"
+	"movq  %%mm6, 1024(%0, %%esi)	\n\t"
+	"movq  %%mm7, 1032(%0, %%esi)	\n\t"
+	"addl $16, %%esi		\n\t"
+	" jnz 1b			\n\t"
+	:: "r" (samples+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void move2to1_3dnow (sample_t * src, sample_t * dest, sample_t bias)
+{
+	asm volatile(
+		"movd  %2, %%mm7	\n\t"
+		"punpckldq %2, %%mm7	\n\t"
+		"movl $-1024, %%esi	\n\t"
+		".balign 16\n\t"
+		"1:			\n\t"
+		"movq  (%0, %%esi), %%mm0	\n\t"  
+		"movq  8(%0, %%esi), %%mm1	\n\t"
+		"movq  16(%0, %%esi), %%mm2	\n\t"  
+		"movq  24(%0, %%esi), %%mm3	\n\t"
+		"pfadd 1024(%0, %%esi), %%mm0	\n\t"
+		"pfadd 1032(%0, %%esi), %%mm1	\n\t"
+		"pfadd 1040(%0, %%esi), %%mm2	\n\t"
+		"pfadd 1048(%0, %%esi), %%mm3	\n\t"
+		"pfadd %%mm7, %%mm0		\n\t"
+		"pfadd %%mm7, %%mm1		\n\t"
+		"pfadd %%mm7, %%mm2		\n\t"
+		"pfadd %%mm7, %%mm3		\n\t"
+		"movq  %%mm0, (%1, %%esi)	\n\t"
+		"movq  %%mm1, 8(%1, %%esi)	\n\t"
+		"movq  %%mm2, 16(%1, %%esi)	\n\t"
+		"movq  %%mm3, 24(%1, %%esi)	\n\t"
+		"addl $32, %%esi		\n\t"
+		" jnz 1b			\n\t"
+	:: "r" (src+256), "r" (dest+256), "m" (bias)
+	: "%esi"
+	);
+}
+
+static void downmix_3dnow (sample_t * samples, int acmod, int output, sample_t bias,
+	      sample_t clev, sample_t slev)
+{
+    switch (CONVERT (acmod, output & A52_CHANNEL_MASK)) {
+
+    case CONVERT (A52_CHANNEL, A52_CHANNEL2):
+	memcpy (samples, samples + 256, 256 * sizeof (sample_t));
+	break;
+
+    case CONVERT (A52_CHANNEL, A52_MONO):
+    case CONVERT (A52_STEREO, A52_MONO):
+    mix_2to1_3dnow:
+	mix2to1_3dnow (samples, samples + 256, bias);
+	break;
+
+    case CONVERT (A52_2F1R, A52_MONO):
+	if (slev == 0)
+	    goto mix_2to1_3dnow;
+    case CONVERT (A52_3F, A52_MONO):
+    mix_3to1_3dnow:
+	mix3to1_3dnow (samples, bias);
+	break;
+
+    case CONVERT (A52_3F1R, A52_MONO):
+	if (slev == 0)
+	    goto mix_3to1_3dnow;
+    case CONVERT (A52_2F2R, A52_MONO):
+	if (slev == 0)
+	    goto mix_2to1_3dnow;
+	mix4to1_3dnow (samples, bias);
+	break;
+
+    case CONVERT (A52_3F2R, A52_MONO):
+	if (slev == 0)
+	    goto mix_3to1_3dnow;
+	mix5to1_3dnow (samples, bias);
+	break;
+
+    case CONVERT (A52_MONO, A52_DOLBY):
+	memcpy (samples + 256, samples, 256 * sizeof (sample_t));
+	break;
+