Chiebot-Mirror
/
FFmpeg
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Factorize some code in yuv2rgb_template.c to ease further yuva2rgb patch.

Browse Source 
Patch by Cédric Schieli, cschieli gmail

Originally committed as revision 28690 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
pull/126/head
Cédric Schieli 16 years ago committed by Carl Eugen Hoyos
parent d541a7d2d1
commit 431ac29046
1 changed files with 73 additions and 158 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 231
      libswscale/yuv2rgb_template.c

231
libswscale/yuv2rgb_template.c
Unescape View File

@ -121,47 +121,68 @@
"punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\
#define YUV422_UNSHIFT \
if(c->srcFormat == PIX_FMT_YUV422P){ \
srcStride[1] *= 2; \
srcStride[2] *= 2; \
} \
#define YUV2RGB_LOOP(depth) \
h_size= (c->dstW+7)&~7; \
if(h_size*depth > FFABS(dstStride[0])) h_size-=8; \
\
__asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ ); \
for (y= 0; y<srcSliceH; y++ ) { \
uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0]; \
uint8_t *py = src[0] + y*srcStride[0]; \
uint8_t *pu = src[1] + (y>>1)*srcStride[1]; \
uint8_t *pv = src[2] + (y>>1)*srcStride[2]; \
long index= -h_size/2; \
#define YUV2RGB_INIT \
/* This MMX assembly code deals with a SINGLE scan line at a time, \
* it converts 8 pixels in each iteration. */ \
__asm__ volatile ( \
/* load data for start of next scan line */ \
"movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \
"movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \
"movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \
/* \
".balign 16 \n\t" \
*/ \
"1: \n\t" \
/* No speed difference on my p3@500 with prefetch, \
* if it is faster for anyone with -benchmark then tell me. \
PREFETCH" 64(%0) \n\t" \
PREFETCH" 64(%1) \n\t" \
PREFETCH" 64(%2) \n\t" \
*/ \
#define YUV2RGB_ENDLOOP(depth) \
"add $"AV_STRINGIFY(depth*8)", %1 \n\t" \
"add $4, %0 \n\t" \
" js 1b \n\t" \
\
: "+r" (index), "+r" (image) \
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index) \
); \
} \
__asm__ volatile (EMMS); \
return srcSliceH; \
static inline int RENAME(yuv420_rgb16)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
int y, h_size;
if(c->srcFormat == PIX_FMT_YUV422P){
srcStride[1] *= 2;
srcStride[2] *= 2;
}
h_size= (c->dstW+7)&~7;
if(h_size*2 > FFABS(dstStride[0])) h_size-=8;
__asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ );
//printf("%X %X %X %X %X %X %X %X %X %X\n", (int)&c->redDither, (int)&c->blueDither, (int)src[0], (int)src[1], (int)src[2], (int)dst[0],
//srcStride[0],srcStride[1],srcStride[2],dstStride[0]);
for (y= 0; y<srcSliceH; y++ ) {
uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0];
uint8_t *py = src[0] + y*srcStride[0];
uint8_t *pu = src[1] + (y>>1)*srcStride[1];
uint8_t *pv = src[2] + (y>>1)*srcStride[2];
long index= -h_size/2;
YUV422_UNSHIFT
YUV2RGB_LOOP(2)
c->blueDither= ff_dither8[y&1];
c->greenDither= ff_dither4[y&1];
c->redDither= ff_dither8[(y+1)&1];
/* This MMX assembly code deals with a SINGLE scan line at a time,
* it converts 8 pixels in each iteration. */
__asm__ volatile (
/* load data for start of next scan line */
"movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
"movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
//".balign 16 \n\t"
"1: \n\t"
/* No speed difference on my p3@500 with prefetch,
* if it is faster for anyone with -benchmark then tell me.
PREFETCH" 64(%0) \n\t"
PREFETCH" 64(%1) \n\t"
PREFETCH" 64(%2) \n\t"
*/
YUV2RGB
YUV2RGB_INIT
YUV2RGB
#ifdef DITHER1XBPP
"paddusb "BLUE_DITHER"(%4), %%mm0;"
@ -201,55 +222,22 @@ YUV2RGB
MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */
"add $16, %1 \n\t"
"add $4, %0 \n\t"
" js 1b \n\t"
: "+r" (index), "+r" (image)
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index)
);
}
__asm__ volatile (EMMS);
return srcSliceH;
YUV2RGB_ENDLOOP(2)
}
static inline int RENAME(yuv420_rgb15)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
int y, h_size;
if(c->srcFormat == PIX_FMT_YUV422P){
srcStride[1] *= 2;
srcStride[2] *= 2;
}
h_size= (c->dstW+7)&~7;
if(h_size*2 > FFABS(dstStride[0])) h_size-=8;
__asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ );
//printf("%X %X %X %X %X %X %X %X %X %X\n", (int)&c->redDither, (int)&c->blueDither, (int)src[0], (int)src[1], (int)src[2], (int)dst[0],
//srcStride[0],srcStride[1],srcStride[2],dstStride[0]);
for (y= 0; y<srcSliceH; y++ ) {
uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0];
uint8_t *py = src[0] + y*srcStride[0];
uint8_t *pu = src[1] + (y>>1)*srcStride[1];
uint8_t *pv = src[2] + (y>>1)*srcStride[2];
long index= -h_size/2;
YUV422_UNSHIFT
YUV2RGB_LOOP(2)
c->blueDither= ff_dither8[y&1];
c->greenDither= ff_dither8[y&1];
c->redDither= ff_dither8[(y+1)&1];
/* This MMX assembly code deals with a SINGLE scan line at a time,
* it converts 8 pixels in each iteration. */
__asm__ volatile (
/* load data for start of next scan line */
"movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
"movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
//".balign 16 \n\t"
"1: \n\t"
YUV2RGB
YUV2RGB_INIT
YUV2RGB
#ifdef DITHER1XBPP
"paddusb "BLUE_DITHER"(%4), %%mm0 \n\t"
@ -291,49 +279,18 @@ YUV2RGB
MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */
"add $16, %1 \n\t"
"add $4, %0 \n\t"
" js 1b \n\t"
: "+r" (index), "+r" (image)
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index)
);
}
__asm__ volatile (EMMS);
return srcSliceH;
YUV2RGB_ENDLOOP(2)
}
static inline int RENAME(yuv420_rgb24)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
int y, h_size;
if(c->srcFormat == PIX_FMT_YUV422P){
srcStride[1] *= 2;
srcStride[2] *= 2;
}
h_size= (c->dstW+7)&~7;
if(h_size*3 > FFABS(dstStride[0])) h_size-=8;
__asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ );
for (y= 0; y<srcSliceH; y++ ) {
uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0];
uint8_t *py = src[0] + y*srcStride[0];
uint8_t *pu = src[1] + (y>>1)*srcStride[1];
uint8_t *pv = src[2] + (y>>1)*srcStride[2];
long index= -h_size/2;
/* This MMX assembly code deals with a SINGLE scan line at a time,
* it converts 8 pixels in each iteration. */
__asm__ volatile (
/* load data for start of next scan line */
"movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
"movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
//".balign 16 \n\t"
"1: \n\t"
YUV2RGB
YUV422_UNSHIFT
YUV2RGB_LOOP(3)
YUV2RGB_INIT
YUV2RGB
/* mm0=B, %%mm2=G, %%mm1=R */
#if HAVE_MMX2
"movq "MANGLE(ff_M24A)", %%mm4 \n\t"
@ -436,50 +393,18 @@ YUV2RGB
"pxor %%mm4, %%mm4 \n\t"
#endif
"add $24, %1 \n\t"
"add $4, %0 \n\t"
" js 1b \n\t"
: "+r" (index), "+r" (image)
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index)
);
}
__asm__ volatile (EMMS);
return srcSliceH;
YUV2RGB_ENDLOOP(3)
}
static inline int RENAME(yuv420_rgb32)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
int y, h_size;
if(c->srcFormat == PIX_FMT_YUV422P){
srcStride[1] *= 2;
srcStride[2] *= 2;
}
h_size= (c->dstW+7)&~7;
if(h_size*4 > FFABS(dstStride[0])) h_size-=8;
__asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ );
for (y= 0; y<srcSliceH; y++ ) {
uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0];
uint8_t *py = src[0] + y*srcStride[0];
uint8_t *pu = src[1] + (y>>1)*srcStride[1];
uint8_t *pv = src[2] + (y>>1)*srcStride[2];
long index= -h_size/2;
/* This MMX assembly code deals with a SINGLE scan line at a time,
* it converts 8 pixels in each iteration. */
__asm__ volatile (
/* load data for start of next scan line */
"movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
"movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
//".balign 16 \n\t"
"1: \n\t"
YUV2RGB
YUV422_UNSHIFT
YUV2RGB_LOOP(4)
YUV2RGB_INIT
YUV2RGB
/* convert RGB plane to RGB packed format,
mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0,
mm4 -> GB, mm5 -> AR pixel 4-7,
@ -522,15 +447,5 @@ YUV2RGB
"pxor %%mm4, %%mm4;" /* zero mm4 */
"movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
"add $32, %1 \n\t"
"add $4, %0 \n\t"
" js 1b \n\t"
: "+r" (index), "+r" (image)
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index)
);
}
__asm__ volatile (EMMS);
return srcSliceH;
YUV2RGB_ENDLOOP(4)
}

Write Preview
Loading…
Cancel
Save