ffmpeg之yuv2rgb_c_24_rgb
YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, )
LOADCHROMA();
PUTRGB24(dst_1, py_1, );
PUTRGB24(dst_2, py_2, ); LOADCHROMA();
PUTRGB24(dst_2, py_2, );
PUTRGB24(dst_1, py_1, ); LOADCHROMA();
PUTRGB24(dst_1, py_1, );
PUTRGB24(dst_2, py_2, ); LOADCHROMA();
PUTRGB24(dst_2, py_2, );
PUTRGB24(dst_1, py_1, );
ENDYUV2RGBLINE(, )
LOADCHROMA();
PUTRGB24(dst_1, py_1, );
PUTRGB24(dst_2, py_2, ); LOADCHROMA();
PUTRGB24(dst_2, py_2, );
PUTRGB24(dst_1, py_1, );
ENDYUV2RGBLINE(, )
LOADCHROMA();
PUTRGB24(dst_1, py_1, );
PUTRGB24(dst_2, py_2, );
ENDYUV2RGBFUNC()
#define PUTRGB24(dst, src, i) \
Y = src[ * i]; \
dst[ * i + ] = r[Y]; \
dst[ * i + ] = g[Y]; \
dst[ * i + ] = b[Y]; \
Y = src[ * i + ]; \
dst[ * i + ] = r[Y]; \
dst[ * i + ] = g[Y]; \
dst[ * i + ] = b[Y];
#define LOADCHROMA(i) \
U = pu[i]; \
V = pv[i]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM];
#define ENDYUV2RGBLINE(dst_delta, ss) \
pu += >> ss; \
pv += >> ss; \
py_1 += >> ss; \
py_2 += >> ss; \
dst_1 += dst_delta >> ss; \
dst_2 += dst_delta >> ss; \
} \
if (c->dstW & ( >> ss)) { \
int av_unused Y, U, V; \
#define ENDYUV2RGBFUNC() \
} \
} \
return srcSliceH; \
}
#define YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0) \
static int yuv2rgb_c_24_rgb(SwsContext *c, const uint8_t *src[], \
int srcStride[], int srcSliceY, int srcSliceH, \
uint8_t *dst[], int dstStride[]) \
{ \
int y; \
\
if (! && c->srcFormat == AV_PIX_FMT_YUV422P) \
{ \
srcStride[] *= ; \
srcStride[] *= ; \
} \
for (y = ; y < srcSliceH; y += )
{ \
uint8_t *dst_1 = \
(uint8_t *)(dst[] + (y + srcSliceY) * dstStride[]); \
uint8_t *dst_2 = \
(uint8_t *)(dst[] + (y + srcSliceY + ) * dstStride[]); \
uint8_t av_unused *r, *g, *b; \
const uint8_t *py_1 = src[] + y * srcStride[]; \
const uint8_t *py_2 = py_1 + srcStride[]; \
const uint8_t *pu = src[] + (y >> ) * srcStride[]; \
const uint8_t *pv = src[] + (y >> ) * srcStride[]; \
const uint8_t av_unused *pa_1, *pa_2; \
unsigned int h_size = c->dstW >> ; \
if () \
{ \
pa_1 = src[] + y * srcStride[]; \
pa_2 = pa_1 + srcStride[]; \
} \
while (h_size--) \
{ \
int av_unused U, V, Y; \
U = pu[]; \
V = pv[]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; Y = py_1[ * ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; \
Y = py_1[ * + ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; Y = py_2[ * ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; \
Y = py_2[ * + ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; U = pu[]; \
V = pv[]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; Y = py_2[ * ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; \
Y = py_2[ * + ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; Y = py_1[ * ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; \
Y = py_1[ * + ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; U = pu[]; \
V = pv[]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; Y = py_1[ * ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; \
Y = py_1[ * + ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; Y = py_2[ * ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; \
Y = py_2[ * + ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; U = pu[]; \
V = pv[]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; Y = py_2[ * ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; \
Y = py_2[ * + ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; Y = py_1[ * ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; \
Y = py_1[ * + ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; pu += >> ; \
pv += >> ; \
py_1 += >> ; \
py_2 += >> ; \
dst_1 += >> ; \
dst_2 += >> ; \
} \
if (c->dstW & ( >> )) \
{ \
int av_unused Y, U, V; \ U = pu[]; \
V = pv[]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; Y = py_1[ * ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; \
Y = py_1[ * + ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; Y = py_2[ * ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; \
Y = py_2[ * + ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; U = pu[]; \
V = pv[]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; \ Y = py_2[ * ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; \
Y = py_2[ * + ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; Y = py_1[ * ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; \
Y = py_1[ * + ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; pu += >> ; \
pv += >> ; \
py_1 += >> ; \
py_2 += >> ; \
dst_1 += >> ; \
dst_2 += >> ; \
} \
if (c->dstW & ( >> ss)) \
{ \
int av_unused Y, U, V; \ U = pu[]; \
V = pv[]; \
r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; \ Y = py_1[ * ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; \
Y = py_1[ * + ]; \
dst_1[ * + ] = r[Y]; \
dst_1[ * + ] = g[Y]; \
dst_1[ * + ] = b[Y]; Y = py_2[ * ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y]; \
Y = py_2[ * + ]; \
dst_2[ * + ] = r[Y]; \
dst_2[ * + ] = g[Y]; \
dst_2[ * + ] = b[Y];
} \
} \
return srcSliceH; \
}
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