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libswscale/x86/yuv2rgb: Change inline assembly into nasm code

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The original inline assembly and nasm code have the same fps when called by command.
NASM code almost has no impact on the perfromance.

Signed-off-by: Ting Fu <ting.fu@intel.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Ting Fu 2020-01-19 11:51:03 +08:00 committed by Michael Niedermayer
parent 2d58fa6d9e
commit e934194b6a
5 changed files with 384 additions and 387 deletions
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1
libswscale/x86/Makefile
View File

@ -12,3 +12,4 @@ X86ASM-OBJS += x86/input.o \
x86/output.o \
x86/scale.o \
x86/rgb_2_rgb.o \
x86/yuv_2_rgb.o \

16
libswscale/x86/swscale.c
View File

@ -29,6 +29,14 @@
#include "libavutil/cpu.h"
#include "libavutil/pixdesc.h"
const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
0x0103010301030103LL,
0x0200020002000200LL,};
const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
0x0602060206020602LL,
0x0004000400040004LL,};
#if HAVE_INLINE_ASM
#define DITHER1XBPP
@ -38,14 +46,6 @@ DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
0x0103010301030103LL,
0x0200020002000200LL,};
const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
0x0602060206020602LL,
0x0004000400040004LL,};
DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;

26
libswscale/x86/yuv2rgb.c
View File

@ -37,7 +37,7 @@
#include "libavutil/x86/cpu.h"
#include "libavutil/cpu.h"
#if HAVE_INLINE_ASM
#if HAVE_X86ASM
#define DITHER1XBPP // only for MMX
@ -50,32 +50,31 @@ DECLARE_ASM_CONST(8, uint64_t, pb_03) = 0x0303030303030303ULL;
DECLARE_ASM_CONST(8, uint64_t, pb_07) = 0x0707070707070707ULL;
//MMX versions
#if HAVE_MMX_INLINE && HAVE_6REGS
#if HAVE_MMX
#undef RENAME
#undef COMPILE_TEMPLATE_MMXEXT
#define COMPILE_TEMPLATE_MMXEXT 0
#define RENAME(a) a ## _mmx
#include "yuv2rgb_template.c"
#endif /* HAVE_MMX_INLINE && HAVE_6REGS */
#endif /* HAVE_MMX */
// MMXEXT versions
#if HAVE_MMXEXT_INLINE && HAVE_6REGS
#if HAVE_MMXEXT
#undef RENAME
#undef COMPILE_TEMPLATE_MMXEXT
#define COMPILE_TEMPLATE_MMXEXT 1
#define RENAME(a) a ## _mmxext
#include "yuv2rgb_template.c"
#endif /* HAVE_MMXEXT_INLINE && HAVE_6REGS */
#endif /* HAVE_MMXEXT */
#endif /* HAVE_INLINE_ASM */
#endif /* HAVE_X86ASM */
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
{
#if HAVE_MMX_INLINE && HAVE_6REGS
#if HAVE_X86ASM
int cpu_flags = av_get_cpu_flags();
#if HAVE_MMXEXT_INLINE
if (INLINE_MMXEXT(cpu_flags)) {
if (EXTERNAL_MMXEXT(cpu_flags)) {
switch (c->dstFormat) {
case AV_PIX_FMT_RGB24:
return yuv420_rgb24_mmxext;
@ -83,13 +82,12 @@ av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
return yuv420_bgr24_mmxext;
}
}
#endif
if (INLINE_MMX(cpu_flags)) {
if (EXTERNAL_MMX(cpu_flags)) {
switch (c->dstFormat) {
case AV_PIX_FMT_RGB32:
if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
#if CONFIG_SWSCALE_ALPHA
return yuva420_rgb32_mmx;
#endif
break;
@ -97,7 +95,7 @@ av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
return yuv420_rgb32_mmx;
case AV_PIX_FMT_BGR32:
if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
#if CONFIG_SWSCALE_ALPHA
return yuva420_bgr32_mmx;
#endif
break;
@ -113,7 +111,7 @@ av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
return yuv420_rgb15_mmx;
}
}
#endif /* HAVE_MMX_INLINE && HAVE_6REGS */
#endif /* HAVE_X86ASM */
return NULL;
}

458
libswscale/x86/yuv2rgb_template.c
View File

@ -26,23 +26,6 @@
#include "libavutil/x86/asm.h"
#include "libswscale/swscale_internal.h"
#undef MOVNTQ
#undef EMMS
#undef SFENCE
#if COMPILE_TEMPLATE_MMXEXT
#define MOVNTQ "movntq"
#define SFENCE "sfence"
#else
#define MOVNTQ "movq"
#define SFENCE " # nop"
#endif
#define REG_BLUE "0"
#define REG_RED "1"
#define REG_GREEN "2"
#define REG_ALPHA "3"
#define YUV2RGB_LOOP(depth) \
h_size = (c->dstW + 7) & ~7; \
if (h_size * depth > FFABS(dstStride[0])) \
@ -50,7 +33,6 @@
\
vshift = c->srcFormat != AV_PIX_FMT_YUV422P; \
\
__asm__ volatile ("pxor %mm4, %mm4\n\t"); \
for (y = 0; y < srcSliceH; y++) { \
uint8_t *image = dst[0] + (y + srcSliceY) * dstStride[0]; \
const uint8_t *py = src[0] + y * srcStride[0]; \
@ -58,146 +40,33 @@
const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2]; \
x86_reg index = -h_size / 2; \
#define YUV2RGB_INITIAL_LOAD \
__asm__ volatile ( \
"movq (%5, %0, 2), %%mm6\n\t" \
"movd (%2, %0), %%mm0\n\t" \
"movd (%3, %0), %%mm1\n\t" \
"1: \n\t" \
/* YUV2RGB core
* Conversion is performed in usual way:
* R = Y' * Ycoef + Vred * V'
* G = Y' * Ycoef + Vgreen * V' + Ugreen * U'
* B = Y' * Ycoef + Ublue * U'
*
* where X' = X * 8 - Xoffset (multiplication is performed to increase
* precision a bit).
* Since it operates in YUV420 colorspace, Y component is additionally
* split into Y1 and Y2 for even and odd pixels.
*
* Input:
* mm0 - U (4 elems), mm1 - V (4 elems), mm6 - Y (8 elems), mm4 - zero register
* Output:
* mm1 - R, mm2 - G, mm0 - B
*/
#define YUV2RGB \
/* convert Y, U, V into Y1', Y2', U', V' */ \
"movq %%mm6, %%mm7\n\t" \
"punpcklbw %%mm4, %%mm0\n\t" \
"punpcklbw %%mm4, %%mm1\n\t" \
"pand "MANGLE(mmx_00ffw)", %%mm6\n\t" \
"psrlw $8, %%mm7\n\t" \
"psllw $3, %%mm0\n\t" \
"psllw $3, %%mm1\n\t" \
"psllw $3, %%mm6\n\t" \
"psllw $3, %%mm7\n\t" \
"psubsw "U_OFFSET"(%4), %%mm0\n\t" \
"psubsw "V_OFFSET"(%4), %%mm1\n\t" \
"psubw "Y_OFFSET"(%4), %%mm6\n\t" \
"psubw "Y_OFFSET"(%4), %%mm7\n\t" \
\
/* multiply by coefficients */ \
"movq %%mm0, %%mm2\n\t" \
"movq %%mm1, %%mm3\n\t" \
"pmulhw "UG_COEFF"(%4), %%mm2\n\t" \
"pmulhw "VG_COEFF"(%4), %%mm3\n\t" \
"pmulhw "Y_COEFF" (%4), %%mm6\n\t" \
"pmulhw "Y_COEFF" (%4), %%mm7\n\t" \
"pmulhw "UB_COEFF"(%4), %%mm0\n\t" \
"pmulhw "VR_COEFF"(%4), %%mm1\n\t" \
"paddsw %%mm3, %%mm2\n\t" \
/* now: mm0 = UB, mm1 = VR, mm2 = CG */ \
/* mm6 = Y1, mm7 = Y2 */ \
\
/* produce RGB */ \
"movq %%mm7, %%mm3\n\t" \
"movq %%mm7, %%mm5\n\t" \
"paddsw %%mm0, %%mm3\n\t" \
"paddsw %%mm1, %%mm5\n\t" \
"paddsw %%mm2, %%mm7\n\t" \
"paddsw %%mm6, %%mm0\n\t" \
"paddsw %%mm6, %%mm1\n\t" \
"paddsw %%mm6, %%mm2\n\t" \
#define RGB_PACK_INTERLEAVE \
/* pack and interleave even/odd pixels */ \
"packuswb %%mm1, %%mm0\n\t" \
"packuswb %%mm5, %%mm3\n\t" \
"packuswb %%mm2, %%mm2\n\t" \
"movq %%mm0, %%mm1\n\n" \
"packuswb %%mm7, %%mm7\n\t" \
"punpcklbw %%mm3, %%mm0\n\t" \
"punpckhbw %%mm3, %%mm1\n\t" \
"punpcklbw %%mm7, %%mm2\n\t" \
#define YUV2RGB_ENDLOOP(depth) \
"movq 8 (%5, %0, 2), %%mm6\n\t" \
"movd 4 (%3, %0), %%mm1\n\t" \
"movd 4 (%2, %0), %%mm0\n\t" \
"add $"AV_STRINGIFY(depth * 8)", %1\n\t" \
"add $4, %0\n\t" \
"js 1b\n\t" \
#if COMPILE_TEMPLATE_MMXEXT
#undef RGB_PACK24_B_OPERANDS
#define RGB_PACK24_B_OPERANDS NAMED_CONSTRAINTS_ARRAY_ADD(mask1101,mask0110,mask0100,mask0010,mask1001)
#else
#undef RGB_PACK24_B_OPERANDS
#define RGB_PACK24_B_OPERANDS
#endif
#define YUV2RGB_OPERANDS \
: "+r" (index), "+r" (image) \
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), \
"r" (py - 2*index) \
NAMED_CONSTRAINTS_ADD(mmx_00ffw,pb_03,pb_07,mmx_redmask,pb_e0) \
RGB_PACK24_B_OPERANDS \
: "memory" \
); \
} \
#define YUV2RGB_OPERANDS_ALPHA \
: "+r" (index), "+r" (image) \
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), \
"r" (py - 2*index), "r" (pa - 2*index) \
NAMED_CONSTRAINTS_ADD(mmx_00ffw) \
: "memory" \
); \
} \
#define YUV2RGB_ENDFUNC \
__asm__ volatile (SFENCE"\n\t" \
"emms \n\t"); \
return srcSliceH; \
#define IF0(x)
#define IF1(x) x
#define RGB_PACK16(gmask, is15) \
"pand "MANGLE(mmx_redmask)", %%mm0\n\t" \
"pand "MANGLE(mmx_redmask)", %%mm1\n\t" \
"movq %%mm2, %%mm3\n\t" \
"psllw $"AV_STRINGIFY(3-is15)", %%mm2\n\t" \
"psrlw $"AV_STRINGIFY(5+is15)", %%mm3\n\t" \
"psrlw $3, %%mm0\n\t" \
IF##is15("psrlw $1, %%mm1\n\t") \
"pand "MANGLE(pb_e0)", %%mm2\n\t" \
"pand "MANGLE(gmask)", %%mm3\n\t" \
"por %%mm2, %%mm0\n\t" \
"por %%mm3, %%mm1\n\t" \
"movq %%mm0, %%mm2\n\t" \
"punpcklbw %%mm1, %%mm0\n\t" \
"punpckhbw %%mm1, %%mm2\n\t" \
MOVNTQ " %%mm0, (%1)\n\t" \
MOVNTQ " %%mm2, 8(%1)\n\t" \
#define DITHER_RGB \
"paddusb "BLUE_DITHER"(%4), %%mm0\n\t" \
"paddusb "GREEN_DITHER"(%4), %%mm2\n\t" \
"paddusb "RED_DITHER"(%4), %%mm1\n\t" \
extern void RENAME(ff_yuv_420_rgb24)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index);
extern void RENAME(ff_yuv_420_bgr24)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index);
#if !COMPILE_TEMPLATE_MMXEXT
extern void RENAME(ff_yuv_420_rgb15)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index);
extern void RENAME(ff_yuv_420_rgb16)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index);
extern void RENAME(ff_yuv_420_rgb32)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index);
extern void RENAME(ff_yuv_420_bgr32)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index);
extern void RENAME(ff_yuva_420_rgb32)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index, const uint8_t *pa_2index);
extern void RENAME(ff_yuva_420_bgr32)(x86_reg index, uint8_t *image, const uint8_t *pu_index,
const uint8_t *pv_index, const uint64_t *pointer_c_dither,
const uint8_t *py_2index, const uint8_t *pa_2index);
static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
@ -213,17 +82,9 @@ static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t *src[],
c->redDither = ff_dither8[(y + 1) & 1];
#endif
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK_INTERLEAVE
#ifdef DITHER1XBPP
DITHER_RGB
#endif
RGB_PACK16(pb_03, 1)
YUV2RGB_ENDLOOP(2)
YUV2RGB_OPERANDS
YUV2RGB_ENDFUNC
RENAME(ff_yuv_420_rgb15)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
}
return srcSliceH;
}
static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[],
@ -241,79 +102,67 @@ static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[],
c->redDither = ff_dither8[(y + 1) & 1];
#endif
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK_INTERLEAVE
#ifdef DITHER1XBPP
DITHER_RGB
#endif
RGB_PACK16(pb_07, 0)
YUV2RGB_ENDLOOP(2)
YUV2RGB_OPERANDS
YUV2RGB_ENDFUNC
RENAME(ff_yuv_420_rgb16)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
}
return srcSliceH;
}
#endif /* !COMPILE_TEMPLATE_MMXEXT */
#define RGB_PACK24(blue, red)\
"packuswb %%mm3, %%mm0 \n" /* R0 R2 R4 R6 R1 R3 R5 R7 */\
"packuswb %%mm5, %%mm1 \n" /* B0 B2 B4 B6 B1 B3 B5 B7 */\
"packuswb %%mm7, %%mm2 \n" /* G0 G2 G4 G6 G1 G3 G5 G7 */\
"movq %%mm"red", %%mm3 \n"\
"movq %%mm"blue", %%mm6 \n"\
"psrlq $32, %%mm"red" \n" /* R1 R3 R5 R7 */\
"punpcklbw %%mm2, %%mm3 \n" /* R0 G0 R2 G2 R4 G4 R6 G6 */\
"punpcklbw %%mm"red", %%mm6 \n" /* B0 R1 B2 R3 B4 R5 B6 R7 */\
"movq %%mm3, %%mm5 \n"\
"punpckhbw %%mm"blue", %%mm2 \n" /* G1 B1 G3 B3 G5 B5 G7 B7 */\
"punpcklwd %%mm6, %%mm3 \n" /* R0 G0 B0 R1 R2 G2 B2 R3 */\
"punpckhwd %%mm6, %%mm5 \n" /* R4 G4 B4 R5 R6 G6 B6 R7 */\
RGB_PACK24_B
static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
#if COMPILE_TEMPLATE_MMXEXT
DECLARE_ASM_CONST(8, int16_t, mask1101[4]) = {-1,-1, 0,-1};
DECLARE_ASM_CONST(8, int16_t, mask0010[4]) = { 0, 0,-1, 0};
DECLARE_ASM_CONST(8, int16_t, mask0110[4]) = { 0,-1,-1, 0};
DECLARE_ASM_CONST(8, int16_t, mask1001[4]) = {-1, 0, 0,-1};
DECLARE_ASM_CONST(8, int16_t, mask0100[4]) = { 0,-1, 0, 0};
#undef RGB_PACK24_B
#define RGB_PACK24_B\
"pshufw $0xc6, %%mm2, %%mm1 \n"\
"pshufw $0x84, %%mm3, %%mm6 \n"\
"pshufw $0x38, %%mm5, %%mm7 \n"\
"pand "MANGLE(mask1101)", %%mm6 \n" /* R0 G0 B0 R1 -- -- R2 G2 */\
"movq %%mm1, %%mm0 \n"\
"pand "MANGLE(mask0110)", %%mm7 \n" /* -- -- R6 G6 B6 R7 -- -- */\
"movq %%mm1, %%mm2 \n"\
"pand "MANGLE(mask0100)", %%mm1 \n" /* -- -- G3 B3 -- -- -- -- */\
"psrlq $48, %%mm3 \n" /* B2 R3 -- -- -- -- -- -- */\
"pand "MANGLE(mask0010)", %%mm0 \n" /* -- -- -- -- G1 B1 -- -- */\
"psllq $32, %%mm5 \n" /* -- -- -- -- R4 G4 B4 R5 */\
"pand "MANGLE(mask1001)", %%mm2 \n" /* G5 B5 -- -- -- -- G7 B7 */\
"por %%mm3, %%mm1 \n"\
"por %%mm6, %%mm0 \n"\
"por %%mm5, %%mm1 \n"\
"por %%mm7, %%mm2 \n"\
MOVNTQ" %%mm0, (%1) \n"\
MOVNTQ" %%mm1, 8(%1) \n"\
MOVNTQ" %%mm2, 16(%1) \n"\
YUV2RGB_LOOP(4)
#else
#undef RGB_PACK24_B
#define RGB_PACK24_B\
"movd %%mm3, (%1) \n" /* R0 G0 B0 R1 */\
"movd %%mm2, 4(%1) \n" /* G1 B1 */\
"psrlq $32, %%mm3 \n"\
"psrlq $16, %%mm2 \n"\
"movd %%mm3, 6(%1) \n" /* R2 G2 B2 R3 */\
"movd %%mm2, 10(%1) \n" /* G3 B3 */\
"psrlq $16, %%mm2 \n"\
"movd %%mm5, 12(%1) \n" /* R4 G4 B4 R5 */\
"movd %%mm2, 16(%1) \n" /* G5 B5 */\
"psrlq $32, %%mm5 \n"\
"movd %%mm2, 20(%1) \n" /* -- -- G7 B7 */\
"movd %%mm5, 18(%1) \n" /* R6 G6 B6 R7 */\
RENAME(ff_yuv_420_rgb32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
}
return srcSliceH;
}
static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(4)
RENAME(ff_yuv_420_bgr32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
}
return srcSliceH;
}
static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(4)
const uint8_t *pa = src[3] + y * srcStride[3];
RENAME(ff_yuva_420_rgb32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index, pa - 2 * index);
}
return srcSliceH;
}
static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(4)
const uint8_t *pa = src[3] + y * srcStride[3];
RENAME(ff_yuva_420_bgr32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index, pa - 2 * index);
}
return srcSliceH;
}
#endif
static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t *src[],
@ -325,143 +174,22 @@ static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t *src[],
YUV2RGB_LOOP(3)
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK24(REG_BLUE, REG_RED)
YUV2RGB_ENDLOOP(3)
YUV2RGB_OPERANDS
YUV2RGB_ENDFUNC
RENAME(ff_yuv_420_rgb24)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
}
return srcSliceH;
}
static inline int RENAME(yuv420_bgr24)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(3)
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK24(REG_RED, REG_BLUE)
YUV2RGB_ENDLOOP(3)
YUV2RGB_OPERANDS
YUV2RGB_ENDFUNC
RENAME(ff_yuv_420_bgr24)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index);
}
return srcSliceH;
}
#define SET_EMPTY_ALPHA \
"pcmpeqd %%mm"REG_ALPHA", %%mm"REG_ALPHA"\n\t" /* set alpha to 0xFF */ \
#define LOAD_ALPHA \
"movq (%6, %0, 2), %%mm"REG_ALPHA"\n\t" \
#define RGB_PACK32(red, green, blue, alpha) \
"movq %%mm"blue", %%mm5\n\t" \
"movq %%mm"red", %%mm6\n\t" \
"punpckhbw %%mm"green", %%mm5\n\t" \
"punpcklbw %%mm"green", %%mm"blue"\n\t" \
"punpckhbw %%mm"alpha", %%mm6\n\t" \
"punpcklbw %%mm"alpha", %%mm"red"\n\t" \
"movq %%mm"blue", %%mm"green"\n\t" \
"movq %%mm5, %%mm"alpha"\n\t" \
"punpcklwd %%mm"red", %%mm"blue"\n\t" \
"punpckhwd %%mm"red", %%mm"green"\n\t" \
"punpcklwd %%mm6, %%mm5\n\t" \
"punpckhwd %%mm6, %%mm"alpha"\n\t" \
MOVNTQ " %%mm"blue", 0(%1)\n\t" \
MOVNTQ " %%mm"green", 8(%1)\n\t" \
MOVNTQ " %%mm5, 16(%1)\n\t" \
MOVNTQ " %%mm"alpha", 24(%1)\n\t" \
#if !COMPILE_TEMPLATE_MMXEXT
static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(4)
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK_INTERLEAVE
SET_EMPTY_ALPHA
RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA)
YUV2RGB_ENDLOOP(4)
YUV2RGB_OPERANDS
YUV2RGB_ENDFUNC
}
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(4)
const uint8_t *pa = src[3] + y * srcStride[3];
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK_INTERLEAVE
LOAD_ALPHA
RGB_PACK32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA)
YUV2RGB_ENDLOOP(4)
YUV2RGB_OPERANDS_ALPHA
YUV2RGB_ENDFUNC
}
#endif
static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(4)
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK_INTERLEAVE
SET_EMPTY_ALPHA
RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA)
YUV2RGB_ENDLOOP(4)
YUV2RGB_OPERANDS
YUV2RGB_ENDFUNC
}
#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[],
int srcStride[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size, vshift;
YUV2RGB_LOOP(4)
const uint8_t *pa = src[3] + y * srcStride[3];
YUV2RGB_INITIAL_LOAD
YUV2RGB
RGB_PACK_INTERLEAVE
LOAD_ALPHA
RGB_PACK32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA)
YUV2RGB_ENDLOOP(4)
YUV2RGB_OPERANDS_ALPHA
YUV2RGB_ENDFUNC
}
#endif
#endif /* !COMPILE_TEMPLATE_MMXEXT */

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;******************************************************************************
;* software YUV to RGB converter
;*
;* Copyright (C) 2001-2007 Michael Niedermayer
;* (c) 2010 Konstantin Shishkov
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
pw_00ff: times 4 dw 255
pb_f8: times 8 db 248
pb_e0: times 8 db 224
pb_03: times 8 db 3
pb_07: times 8 db 7
mask_1101: dw -1, -1, 0, -1
mask_0010: dw 0, 0, -1, 0
mask_0110: dw 0, -1, -1, 0
mask_1001: dw -1, 0, 0, -1
mask_0100: dw 0, -1, 0, 0
SECTION .text
;-----------------------------------------------------------------------------
;
; YUV420/YUVA420 to RGB/BGR 15/16/24/32
; R = Y + ((vrCoff * (v - 128)) >> 8)
; G = Y - ((ugCoff * (u - 128) + vgCoff * (v - 128)) >> 8)
; B = Y + ((ubCoff * (u - 128)) >> 8)
;
;-----------------------------------------------------------------------------
%macro MOV_H2L 1
psrlq %1, 32
%endmacro
%macro yuv2rgb_fn 3
%if %3 == 32
%ifidn %1, yuva
%define parameters index, image, pu_index, pv_index, pointer_c_dither, py_2index, pa_2index
%define GPR_num 7
%endif
%else
%define parameters index, image, pu_index, pv_index, pointer_c_dither, py_2index
%define GPR_num 6
%endif
%define m_green m2
%define m_alpha m3
%define m_y m6
%define m_u m0
%define m_v m1
%ifidn %2, rgb
%define m_red m1
%define m_blue m0
%else
%define m_red m0
%define m_blue m1
%endif
%define time_num 1
%define reg_num 8
%define y_offset [pointer_c_ditherq + 8 * 8]
%define u_offset [pointer_c_ditherq + 9 * 8]
%define v_offset [pointer_c_ditherq + 10 * 8]
%define ug_coff [pointer_c_ditherq + 7 * 8]
%define vg_coff [pointer_c_ditherq + 6 * 8]
%define y_coff [pointer_c_ditherq + 3 * 8]
%define ub_coff [pointer_c_ditherq + 5 * 8]
%define vr_coff [pointer_c_ditherq + 4 * 8]
cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
%if ARCH_X86_64
movsxd indexq, indexd
%endif
mova m_y, [py_2indexq + 2 * indexq]
movh m_u, [pu_indexq + indexq]
movh m_v, [pv_indexq + indexq]
.loop0:
pxor m4, m4
mova m7, m6
punpcklbw m0, m4
punpcklbw m1, m4
mova m2, [pw_00ff]
pand m6, m2
psrlw m7, 8
psllw m0, 3
psllw m1, 3
psllw m6, 3
psllw m7, 3
psubsw m0, u_offset ; U = U - 128
psubsw m1, v_offset ; V = V - 128
psubw m6, y_offset
psubw m7, y_offset
mova m2, m0
mova m3, m1
pmulhw m2, ug_coff
pmulhw m3, vg_coff
pmulhw m6, y_coff
pmulhw m7, y_coff
pmulhw m0, ub_coff
pmulhw m1, vr_coff
paddsw m2, m3
mova m3, m7
mova m5, m7
paddsw m3, m0 ; B1 B3 B5 B7 ...
paddsw m5, m1 ; R1 R3 R5 R7 ...
paddsw m7, m2 ; G1 G3 G4 G7 ...
paddsw m0, m6 ; B0 B2 B4 B6 ...
paddsw m1, m6 ; R0 R2 R4 R6 ...
paddsw m2, m6 ; G0 G2 G4 G6 ...
%if %3 == 24 ; PACK RGB24
%define depth 3
packuswb m0, m3 ; R0 R2 R4 R6 ... R1 R3 R5 R7 ...
packuswb m1, m5 ; B0 B2 B4 B6 ... B1 B3 B5 B7 ...
packuswb m2, m7 ; G0 G2 G4 G6 ... G1 G3 G5 G7 ...
mova m3, m_red
mova m6, m_blue
MOV_H2L m_red
punpcklbw m3, m2 ; R0 G0 R2 G2 R4 G4 R6 G6 R8 G8 ...
punpcklbw m6, m_red ; B0 R1 B2 R3 B4 R5 B6 R7 B8 R9 ...
mova m5, m3
punpckhbw m2, m_blue ; G1 B1 G3 B3 G5 B5 G7 B7 G9 B9 ...
punpcklwd m3 ,m6 ; R0 G0 B0 R1 R2 G2 B2 R3
punpckhwd m5, m6 ; R4 G4 B4 R5 R6 G6 B6 R7
%if cpuflag(mmxext)
pshufw m1, m2, 0xc6
pshufw m6, m3, 0x84
pshufw m7, m5, 0x38
pand m6, [mask_1101] ; R0 G0 B0 R1 -- -- R2 G2
movq m0, m1
pand m7, [mask_0110] ; -- -- R6 G6 B6 R7 -- --
movq m2, m1
pand m1, [mask_0100] ; -- -- G3 B3 -- -- -- --
psrlq m3, 48 ; B2 R3 -- -- -- -- -- --
pand m0, [mask_0010] ; -- -- -- -- G1 B1 -- --
psllq m5, 32 ; -- -- -- -- R4 G4 B4 R5
pand m2, [mask_1001] ; G5 B5 -- -- -- -- G7 B7
por m1, m3
por m0, m6
por m1, m5
por m2, m7
movntq [imageq], m0
movntq [imageq + 8], m1
movntq [imageq + 16], m2
%else ; cpuflag(mmx)
movd [imageq], m3 ; R0 G0 R2 G2
movd [imageq + 4], m2 ; G1 B1
psrlq m3, 32
psrlq m2, 16
movd [imageq + 6], m3 ; R2 G2 B2 R3
movd [imageq + 10], m2 ; G3 B3
psrlq m2, 16
movd [imageq + 12], m5 ; R4 G4 B4 R5
movd [imageq + 16], m2 ; G5 B5
psrlq m5, 32
movd [imageq + 20], m2 ; -- -- G7 B7
movd [imageq + 18], m5 ; R6 G6 B6 R7
%endif
%else ; PACK RGB15/16/32
packuswb m0, m1
packuswb m3, m5
packuswb m2, m2
mova m1, m0
packuswb m7, m7
punpcklbw m0, m3 ; B0 B1 B2 B3 ... B7
punpckhbw m1, m3 ; R0 R1 R2 R3 ... R7
punpcklbw m2, m7 ; G0 G1 G2 G3 ... G7
%if %3 == 32 ; PACK RGB32
%define depth 4
%ifidn %1, yuv
pcmpeqd m3, m3 ; Set alpha empty
%else
mova m3, [pa_2indexq + 2 * indexq] ; Load alpha
%endif
mova m5, m_blue
mova m6, m_red
punpckhbw m5, m_green
punpcklbw m_blue, m_green
punpckhbw m6, m_alpha
punpcklbw m_red, m_alpha
mova m_green, m_blue
mova m_alpha, m5
punpcklwd m_blue, m_red
punpckhwd m_green, m_red
punpcklwd m5, m6
punpckhwd m_alpha, m6
mova [imageq + 0], m_blue
mova [imageq + 8 * time_num], m_green
mova [imageq + 16 * time_num], m5
mova [imageq + 24 * time_num], m_alpha
%else ; PACK RGB15/16
%define depth 2
%define blue_dither [pointer_c_ditherq + 2 * 8]
%define green_dither [pointer_c_ditherq + 1 * 8]
%define red_dither [pointer_c_ditherq + 0 * 8]
%if %3 == 15
%define gmask pb_03
%define isRGB15 1
%else
%define gmask pb_07
%define isRGB15 0
%endif
paddusb m0, blue_dither
paddusb m2, green_dither
paddusb m1, red_dither
pand m0, [pb_f8]
pand m1, [pb_f8]
mova m3, m2
psllw m2, 3 - isRGB15
psrlw m3, 5 + isRGB15
psrlw m0, 3
psrlw m1, isRGB15
pand m2, [pb_e0]
pand m3, [gmask]
por m0, m2
por m1, m3
mova m2, m0
punpcklbw m0, m1
punpckhbw m2, m1
mova [imageq], m0
mova [imageq + 8 * time_num], m2
%endif ; PACK RGB15/16
%endif ; PACK RGB15/16/32
mova m_y, [py_2indexq + 2 * indexq + 8 * time_num]
movh m_v, [pv_indexq + indexq + 4 * time_num]
movh m_u, [pu_indexq + indexq + 4 * time_num]
add imageq, 8 * depth * time_num
add indexq, 4 * time_num
js .loop0
REP_RET
%endmacro
INIT_MMX mmx
yuv2rgb_fn yuv, rgb, 24
yuv2rgb_fn yuv, bgr, 24
yuv2rgb_fn yuv, rgb, 32
yuv2rgb_fn yuv, bgr, 32
yuv2rgb_fn yuva, rgb, 32
yuv2rgb_fn yuva, bgr, 32
yuv2rgb_fn yuv, rgb, 15
yuv2rgb_fn yuv, rgb, 16
INIT_MMX mmxext
yuv2rgb_fn yuv, rgb, 24
yuv2rgb_fn yuv, bgr, 24