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swscale: split YUYV output out of yuv2packed[12X]_c().

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This is part of the Great Evil Plan to simplify swscale.
pull/2/head
Ronald S. Bultje 14 years ago
parent 996bbdbf1f
commit af2faf2076
1 changed files with 137 additions and 44 deletions
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  1. 181
      libswscale/swscale.c

181
libswscale/swscale.c
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@ -626,7 +626,117 @@ yuv2mono_1_c_template(SwsContext *c, const uint16_t *buf0,
YUV2PACKEDWRAPPER(yuv2mono, white, PIX_FMT_MONOWHITE);
YUV2PACKEDWRAPPER(yuv2mono, black, PIX_FMT_MONOBLACK);
#define YSCALE_YUV_2_PACKEDX_C(type,alpha) \
static av_always_inline void
yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW,
int y, enum PixelFormat target)
{
int i;
#define output_pixels(pos, Y1, U, Y2, V) \
if (target == PIX_FMT_YUYV422) { \
dest[pos + 0] = Y1; \
dest[pos + 1] = U; \
dest[pos + 2] = Y2; \
dest[pos + 3] = V; \
} else { \
dest[pos + 0] = U; \
dest[pos + 1] = Y1; \
dest[pos + 2] = V; \
dest[pos + 3] = Y2; \
}
for (i = 0; i < (dstW >> 1); i++) {
int j;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
int U = 1 << 18;
int V = 1 << 18;
for (j = 0; j < lumFilterSize; j++) {
Y1 += lumSrc[j][i * 2] * lumFilter[j];
Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
}
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
Y1 >>= 19;
Y2 >>= 19;
U >>= 19;
V >>= 19;
if ((Y1 | Y2 | U | V) & 0x100) {
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
}
output_pixels(4*i, Y1, U, Y2, V);
}
}
static av_always_inline void
yuv2422_2_c_template(SwsContext *c, const uint16_t *buf0,
const uint16_t *buf1, const uint16_t *ubuf0,
const uint16_t *ubuf1, const uint16_t *vbuf0,
const uint16_t *vbuf1, const uint16_t *abuf0,
const uint16_t *abuf1, uint8_t *dest, int dstW,
int yalpha, int uvalpha, int y,
enum PixelFormat target)
{
int yalpha1 = 4095 - yalpha;
int uvalpha1 = 4095 - uvalpha;
int i;
for (i = 0; i < (dstW >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
output_pixels(i * 4, Y1, U, Y2, V);
}
}
static av_always_inline void
yuv2422_1_c_template(SwsContext *c, const uint16_t *buf0,
const uint16_t *ubuf0, const uint16_t *ubuf1,
const uint16_t *vbuf0, const uint16_t *vbuf1,
const uint16_t *abuf0, uint8_t *dest, int dstW,
int uvalpha, enum PixelFormat dstFormat,
int flags, int y, enum PixelFormat target)
{
int i;
if (uvalpha < 2048) {
for (i = 0; i < (dstW >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = ubuf1[i] >> 7;
int V = vbuf1[i] >> 7;
output_pixels(i * 4, Y1, U, Y2, V);
}
} else {
for (i = 0; i < (dstW >> 1); i++) {
int Y1 = buf0[i * 2] >> 7;
int Y2 = buf0[i * 2 + 1] >> 7;
int U = (ubuf0[i] + ubuf1[i]) >> 8;
int V = (vbuf0[i] + vbuf1[i]) >> 8;
output_pixels(i * 4, Y1, U, Y2, V);
}
}
#undef output_pixels
}
YUV2PACKEDWRAPPER(yuv2422, yuyv, PIX_FMT_YUYV422);
YUV2PACKEDWRAPPER(yuv2422, uyvy, PIX_FMT_UYVY422);
#define YSCALE_YUV_2_RGBX_C(type,alpha) \
for (i=0; i<(dstW>>1); i++) {\
int j;\
int Y1 = 1<<18;\
@ -668,7 +778,11 @@ YUV2PACKEDWRAPPER(yuv2mono, black, PIX_FMT_MONOBLACK);
A1 = av_clip_uint8(A1); \
A2 = av_clip_uint8(A2); \
}\
}
}\
/* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\
r = (type *)c->table_rV[V]; \
g = (type *)(c->table_gU[U] + c->table_gV[V]); \
b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \
for (i=0; i<dstW; i++) {\
@ -709,13 +823,7 @@ YUV2PACKEDWRAPPER(yuv2mono, black, PIX_FMT_MONOBLACK);
B = av_clip_uintp2(B, 30); \
}
#define YSCALE_YUV_2_RGBX_C(type,alpha) \
YSCALE_YUV_2_PACKEDX_C(type,alpha) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\
r = (type *)c->table_rV[V]; \
g = (type *)(c->table_gU[U] + c->table_gV[V]); \
b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_PACKED2_C(type,alpha) \
#define YSCALE_YUV_2_RGB2_C(type,alpha) \
for (i=0; i<(dstW>>1); i++) { \
const int i2= 2*i; \
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \
@ -727,15 +835,12 @@ YUV2PACKEDWRAPPER(yuv2mono, black, PIX_FMT_MONOBLACK);
if (alpha) {\
A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \
A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \
}
#define YSCALE_YUV_2_RGB2_C(type,alpha) \
YSCALE_YUV_2_PACKED2_C(type,alpha)\
}\
r = (type *)c->table_rV[V];\
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_PACKED1_C(type,alpha) \
#define YSCALE_YUV_2_RGB1_C(type,alpha) \
for (i=0; i<(dstW>>1); i++) {\
const int i2= 2*i;\
int Y1= buf0[i2 ]>>7;\
@ -747,15 +852,12 @@ YUV2PACKEDWRAPPER(yuv2mono, black, PIX_FMT_MONOBLACK);
if (alpha) {\
A1= abuf0[i2 ]>>7;\
A2= abuf0[i2+1]>>7;\
}
#define YSCALE_YUV_2_RGB1_C(type,alpha) \
YSCALE_YUV_2_PACKED1_C(type,alpha)\
}\
r = (type *)c->table_rV[V];\
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_PACKED1B_C(type,alpha) \
#define YSCALE_YUV_2_RGB1B_C(type,alpha) \
for (i=0; i<(dstW>>1); i++) {\
const int i2= 2*i;\
int Y1= buf0[i2 ]>>7;\
@ -767,15 +869,12 @@ YUV2PACKEDWRAPPER(yuv2mono, black, PIX_FMT_MONOBLACK);
if (alpha) {\
A1= abuf0[i2 ]>>7;\
A2= abuf0[i2+1]>>7;\
}
#define YSCALE_YUV_2_RGB1B_C(type,alpha) \
YSCALE_YUV_2_PACKED1B_C(type,alpha)\
}\
r = (type *)c->table_rV[V];\
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_ANYRGB_C(func, func2)\
#define YSCALE_YUV_2_ANYRGB_C(func)\
switch(c->dstFormat) {\
case PIX_FMT_RGB48BE:\
case PIX_FMT_RGB48LE:\
@ -951,22 +1050,6 @@ YUV2PACKEDWRAPPER(yuv2mono, black, PIX_FMT_MONOBLACK);
}\
}\
break;\
case PIX_FMT_YUYV422:\
func2\
((uint8_t*)dest)[2*i2+0]= Y1;\
((uint8_t*)dest)[2*i2+1]= U;\
((uint8_t*)dest)[2*i2+2]= Y2;\
((uint8_t*)dest)[2*i2+3]= V;\
} \
break;\
case PIX_FMT_UYVY422:\
func2\
((uint8_t*)dest)[2*i2+0]= U;\
((uint8_t*)dest)[2*i2+1]= Y1;\
((uint8_t*)dest)[2*i2+2]= V;\
((uint8_t*)dest)[2*i2+3]= Y2;\
} \
break;\
}
static void yuv2packedX_c(SwsContext *c, const int16_t *lumFilter,
@ -976,7 +1059,7 @@ static void yuv2packedX_c(SwsContext *c, const int16_t *lumFilter,
const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
{
int i;
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0))
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C)
}
static void yuv2rgbX_c_full(SwsContext *c, const int16_t *lumFilter,
@ -1079,7 +1162,7 @@ static void yuv2packed2_c(SwsContext *c, const uint16_t *buf0,
int uvalpha1=4095-uvalpha;
int i;
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C(void,0))
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C)
}
/**
@ -1095,9 +1178,9 @@ static void yuv2packed1_c(SwsContext *c, const uint16_t *buf0,
int i;
if (uvalpha < 2048) {
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C(void,0))
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C)
} else {
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C(void,0))
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C)
}
}
@ -1771,6 +1854,16 @@ find_c_packed_planar_out_funcs(SwsContext *c,
*yuv2packed2 = yuv2monoblack_2_c;
*yuv2packedX = yuv2monoblack_X_c;
break;
case PIX_FMT_YUYV422:
*yuv2packed1 = yuv2422yuyv_1_c;
*yuv2packed2 = yuv2422yuyv_2_c;
*yuv2packedX = yuv2422yuyv_X_c;
break;
case PIX_FMT_UYVY422:
*yuv2packed1 = yuv2422uyvy_1_c;
*yuv2packed2 = yuv2422uyvy_2_c;
*yuv2packedX = yuv2422uyvy_X_c;
break;
default:
*yuv2packed1 = yuv2packed1_c;
*yuv2packed2 = yuv2packed2_c;

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