31 #include "libavutil/cpu.h"
32 #include "libavutil/bswap.h"
39 { 117504, 138453, 13954, 34903 },
40 { 117504, 138453, 13954, 34903 },
41 { 104597, 132201, 25675, 53279 },
42 { 104597, 132201, 25675, 53279 },
43 { 104448, 132798, 24759, 53109 },
44 { 104597, 132201, 25675, 53279 },
45 { 104597, 132201, 25675, 53279 },
46 { 117579, 136230, 16907, 35559 }
51 if (colorspace > 7 || colorspace < 0)
56 #define LOADCHROMA(i) \
59 r = (void *)c->table_rV[V]; \
60 g = (void *)(c->table_gU[U] + c->table_gV[V]); \
61 b = (void *)c->table_bU[U];
63 #define PUTRGB(dst, src, i) \
65 dst[2 * i] = r[Y] + g[Y] + b[Y]; \
67 dst[2 * i + 1] = r[Y] + g[Y] + b[Y];
69 #define PUTRGB24(dst, src, i) \
71 dst[6 * i + 0] = r[Y]; \
72 dst[6 * i + 1] = g[Y]; \
73 dst[6 * i + 2] = b[Y]; \
75 dst[6 * i + 3] = r[Y]; \
76 dst[6 * i + 4] = g[Y]; \
77 dst[6 * i + 5] = b[Y];
79 #define PUTBGR24(dst, src, i) \
81 dst[6 * i + 0] = b[Y]; \
82 dst[6 * i + 1] = g[Y]; \
83 dst[6 * i + 2] = r[Y]; \
85 dst[6 * i + 3] = b[Y]; \
86 dst[6 * i + 4] = g[Y]; \
87 dst[6 * i + 5] = r[Y];
89 #define PUTRGBA(dst, ysrc, asrc, i, s) \
91 dst[2 * i] = r[Y] + g[Y] + b[Y] + (asrc[2 * i] << s); \
92 Y = ysrc[2 * i + 1]; \
93 dst[2 * i + 1] = r[Y] + g[Y] + b[Y] + (asrc[2 * i + 1] << s);
95 #define PUTRGB48(dst, src, i) \
97 dst[12 * i + 0] = dst[12 * i + 1] = r[Y]; \
98 dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
99 dst[12 * i + 4] = dst[12 * i + 5] = b[Y]; \
100 Y = src[ 2 * i + 1]; \
101 dst[12 * i + 6] = dst[12 * i + 7] = r[Y]; \
102 dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
103 dst[12 * i + 10] = dst[12 * i + 11] = b[Y];
105 #define PUTBGR48(dst, src, i) \
107 dst[12 * i + 0] = dst[12 * i + 1] = b[Y]; \
108 dst[12 * i + 2] = dst[12 * i + 3] = g[Y]; \
109 dst[12 * i + 4] = dst[12 * i + 5] = r[Y]; \
110 Y = src[2 * i + 1]; \
111 dst[12 * i + 6] = dst[12 * i + 7] = b[Y]; \
112 dst[12 * i + 8] = dst[12 * i + 9] = g[Y]; \
113 dst[12 * i + 10] = dst[12 * i + 11] = r[Y];
115 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
116 static int func_name(SwsContext *c, const uint8_t *src[], \
117 int srcStride[], int srcSliceY, int srcSliceH, \
118 uint8_t *dst[], int dstStride[]) \
122 if (!alpha && c->srcFormat == AV_PIX_FMT_YUV422P) { \
126 for (y = 0; y < srcSliceH; y += 2) { \
128 (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]); \
130 (dst_type *)(dst[0] + (y + srcSliceY + 1) * dstStride[0]); \
131 dst_type av_unused *r, *g, *b; \
132 const uint8_t *py_1 = src[0] + y * srcStride[0]; \
133 const uint8_t *py_2 = py_1 + srcStride[0]; \
134 const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \
135 const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \
136 const uint8_t av_unused *pa_1, *pa_2; \
137 unsigned int h_size = c->dstW >> 3; \
139 pa_1 = src[3] + y * srcStride[3]; \
140 pa_2 = pa_1 + srcStride[3]; \
143 int av_unused U, V, Y; \
145 #define ENDYUV2RGBLINE(dst_delta, ss) \
150 dst_1 += dst_delta >> ss; \
151 dst_2 += dst_delta >> ss; \
153 if (c->dstW & (4 >> ss)) { \
154 int av_unused Y, U, V; \
156 #define ENDYUV2RGBFUNC() \
162 #define CLOSEYUV2RGBFUNC(dst_delta) \
163 ENDYUV2RGBLINE(dst_delta, 0) \
262 PUTRGBA(dst_2, py_2, pa_2, 1, 24);
263 PUTRGBA(dst_1, py_1, pa_1, 1, 24);
266 PUTRGBA(dst_1, py_1, pa_1, 2, 24);
267 PUTRGBA(dst_2, py_2, pa_2, 2, 24);
270 PUTRGBA(dst_2, py_2, pa_2, 3, 24);
271 PUTRGBA(dst_1, py_1, pa_1, 3, 24);
276 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
277 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
280 PUTRGBA(dst_2, py_2, pa_2, 1, 24);
281 PUTRGBA(dst_1, py_1, pa_1, 1, 24);
286 PUTRGBA(dst_1, py_1, pa_1, 0, 24);
287 PUTRGBA(dst_2, py_2, pa_2, 0, 24);
292 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
293 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
296 PUTRGBA(dst_2, py_2, pa_2, 1, 0);
297 PUTRGBA(dst_1, py_1, pa_1, 1, 0);
300 PUTRGBA(dst_1, py_1, pa_1, 2, 0);
301 PUTRGBA(dst_2, py_2, pa_2, 2, 0);
304 PUTRGBA(dst_2, py_2, pa_2, 3, 0);
305 PUTRGBA(dst_1, py_1, pa_1, 3, 0);
310 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
311 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
314 PUTRGBA(dst_2, py_2, pa_2, 1, 0);
315 PUTRGBA(dst_1, py_1, pa_1, 1, 0);
320 PUTRGBA(dst_1, py_1, pa_1, 0, 0);
321 PUTRGBA(dst_2, py_2, pa_2, 0, 0);
406 YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
409 #define PUTRGB12(dst, src, i, o) \
411 dst[2 * i] = r[Y + d16[0 + o]] + \
412 g[Y + d16[0 + o]] + \
414 Y = src[2 * i + 1]; \
415 dst[2 * i + 1] = r[Y + d16[1 + o]] + \
416 g[Y + d16[1 + o]] + \
437 YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
441 #define PUTRGB8(dst, src, i, o) \
443 dst[2 * i] = r[Y + d32[0 + o]] + \
444 g[Y + d32[0 + o]] + \
446 Y = src[2 * i + 1]; \
447 dst[2 * i + 1] = r[Y + d32[1 + o]] + \
448 g[Y + d32[1 + o]] + \
453 PUTRGB8(dst_2, py_2, 0, 0 + 8);
456 PUTRGB8(dst_2, py_2, 1, 2 + 8);
461 PUTRGB8(dst_2, py_2, 2, 4 + 8);
464 PUTRGB8(dst_2, py_2, 3, 6 + 8);
468 YUV2RGBFUNC(yuv2rgb_c_4_ordered_dither, uint8_t, 0)
473 #define PUTRGB4D(dst, src, i, o) \
475 acc = r[Y + d128[0 + o]] + \
476 g[Y + d64[0 + o]] + \
477 b[Y + d128[0 + o]]; \
478 Y = src[2 * i + 1]; \
479 acc |= (r[Y + d128[1 + o]] + \
480 g[Y + d64[1 + o]] + \
481 b[Y + d128[1 + o]]) << 4; \
501 YUV2RGBFUNC(yuv2rgb_c_4b_ordered_dither, uint8_t, 0)
505 #define PUTRGB4DB(dst, src, i, o) \
507 dst[2 * i] = r[Y + d128[0 + o]] + \
508 g[Y + d64[0 + o]] + \
509 b[Y + d128[0 + o]]; \
510 Y = src[2 * i + 1]; \
511 dst[2 * i + 1] = r[Y + d128[1 + o]] + \
512 g[Y + d64[1 + o]] + \
532 YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0)
537 #define PUTRGB1(out, src, i, o) \
539 out += out + g[Y + d128[0 + o]]; \
540 Y = src[2 * i + 1]; \
541 out += out + g[Y + d128[1 + o]];
544 PUTRGB1(out_2, py_2, 0, 0 + 8);
546 PUTRGB1(out_2, py_2, 1, 2 + 8);
550 PUTRGB1(out_2, py_2, 2, 4 + 8);
552 PUTRGB1(out_2, py_2, 3, 6 + 8);
572 "No accelerated colorspace conversion found from %s to %s.\n",
575 switch (c->dstFormat) {
578 return yuv2rgb_c_bgr48;
593 return yuv2rgb_c_24_rgb;
595 return yuv2rgb_c_24_bgr;
603 return yuv2rgb_c_12_ordered_dither;
606 return yuv2rgb_c_8_ordered_dither;
609 return yuv2rgb_c_4_ordered_dither;
612 return yuv2rgb_c_4b_ordered_dither;
614 return yuv2rgb_c_1_ordered_dither;
621 static void fill_table(uint8_t *table[256],
const int elemsize,
622 const int inc,
void *y_tab)
626 uint8_t *y_table = y_tab;
628 y_table -= elemsize * (inc >> 9);
630 for (i = 0; i < 256; i++) {
631 table[i] = y_table + elemsize * (cb >> 16);
636 static void fill_gv_table(
int table[256],
const int elemsize,
const int inc)
640 int off = -(inc >> 9);
642 for (i = 0; i < 256; i++) {
643 table[i] = elemsize * (off + (cb >> 16));
650 int r = (f + (1 << 15)) >> 16;
687 int i, base, rbase, gbase, bbase, abase, needAlpha;
688 const int yoffs = fullRange ? 384 : 326;
690 int64_t crv = inv_table[0];
691 int64_t cbu = inv_table[1];
692 int64_t cgu = -inv_table[2];
693 int64_t cgv = -inv_table[3];
694 int64_t cy = 1 << 16;
699 cy = (cy * 255) / 219;
702 crv = (crv * 224) / 255;
703 cbu = (cbu * 224) / 255;
704 cgu = (cgu * 224) / 255;
705 cgv = (cgv * 224) / 255;
715 c->
uOffset = 0x0400040004000400LL;
716 c->
vOffset = 0x0400040004000400LL;
732 crv = ((crv << 16) + 0x8000) / cy;
733 cbu = ((cbu << 16) + 0x8000) / cy;
734 cgu = ((cgu << 16) + 0x8000) / cy;
735 cgv = ((cgv << 16) + 0x8000) / cy;
743 yb = -(384 << 16) - oy;
744 for (i = 0; i < 1024 - 110; i++) {
745 y_table[i + 110] = av_clip_uint8((yb + 0x8000) >> 16) >> 7;
753 rbase = isRgb ? 3 : 0;
755 bbase = isRgb ? 0 : 3;
758 yb = -(384 << 16) - oy;
759 for (i = 0; i < 1024 - 110; i++) {
760 int yval = av_clip_uint8((yb + 0x8000) >> 16);
761 y_table[i + 110] = (yval >> 7) << rbase;
762 y_table[i + 37 + 1024] = ((yval + 43) / 85) << gbase;
763 y_table[i + 110 + 2048] = (yval >> 7) << bbase;
772 rbase = isRgb ? 5 : 0;
773 gbase = isRgb ? 2 : 3;
774 bbase = isRgb ? 0 : 6;
777 yb = -(384 << 16) - oy;
778 for (i = 0; i < 1024 - 38; i++) {
779 int yval = av_clip_uint8((yb + 0x8000) >> 16);
780 y_table[i + 16] = ((yval + 18) / 36) << rbase;
781 y_table[i + 16 + 1024] = ((yval + 18) / 36) << gbase;
782 y_table[i + 37 + 2048] = ((yval + 43) / 85) << bbase;
791 rbase = isRgb ? 8 : 0;
793 bbase = isRgb ? 0 : 8;
796 yb = -(384 << 16) - oy;
797 for (i = 0; i < 1024; i++) {
798 uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
799 y_table16[i] = (yval >> 4) << rbase;
800 y_table16[i + 1024] = (yval >> 4) << gbase;
801 y_table16[i + 2048] = (yval >> 4) << bbase;
805 for (i = 0; i < 1024 * 3; i++)
814 rbase = isRgb ? bpp - 5 : 0;
816 bbase = isRgb ? 0 : (bpp - 5);
819 yb = -(384 << 16) - oy;
820 for (i = 0; i < 1024; i++) {
821 uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
822 y_table16[i] = (yval >> 3) << rbase;
823 y_table16[i + 1024] = (yval >> (18 - bpp)) << gbase;
824 y_table16[i + 2048] = (yval >> 3) << bbase;
828 for (i = 0; i < 1024 * 3; i++)
839 yb = -(384 << 16) - oy;
840 for (i = 0; i < 1024; i++) {
841 y_table[i] = av_clip_uint8((yb + 0x8000) >> 16);
852 rbase = base + (isRgb ? 16 : 0);
854 bbase = base + (isRgb ? 0 : 16);
857 abase = (base + 24) & 31;
860 yb = -(384 << 16) - oy;
861 for (i = 0; i < 1024; i++) {
862 unsigned yval = av_clip_uint8((yb + 0x8000) >> 16);
863 y_table32[i] = (yval << rbase) +
864 (needAlpha ? 0 : (255u << abase));
865 y_table32[i + 1024] = yval << gbase;
866 y_table32[i + 2048] = yval << bbase;
const char * sws_format_name(enum AVPixelFormat format)
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
const int32_t ff_yuv2rgb_coeffs[8][4]
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
packed RGB 8:8:8, 24bpp, RGBRGB...
#define AV_LOG_WARNING
Something somehow does not look correct.
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
static void fill_table(uint8_t *table[256], const int elemsize, const int inc, void *y_tab)
av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
int dstFormatBpp
Number of bits per pixel of the destination pixel format.
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
#define AV_PIX_FMT_BGR32_1
#define PUTBGR24(dst, src, i)
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
#define PUTRGB(dst, src, i)
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
const int * sws_getCoefficients(int colorspace)
Return a pointer to yuv<->rgb coefficients for the given colorspace suitable for sws_setColorspaceDet...
packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0 ...
enum AVPixelFormat dstFormat
Destination pixel format.
#define PUTRGBA(dst, ysrc, asrc, i, s)
packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in ...
#define PUTBGR48(dst, src, i)
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
#define AV_PIX_FMT_NE(be, le)
const uint8_t ff_dither_8x8_32[8][8]
#define YUV2RGBFUNC(func_name, dst_type, alpha)
static uint16_t roundToInt16(int64_t f)
external api for the swscale stuff
void * av_malloc(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0 ...
const uint8_t ff_dither_4x4_16[4][8]
#define PUTRGB4D(dst, src, i, o)
av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
int(* SwsFunc)(struct SwsContext *context, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
#define AV_PIX_FMT_RGB32_1
#define CLOSEYUV2RGBFUNC(dst_delta)
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
#define AV_PIX_FMT_RGB555
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
#define PUTRGB12(dst, src, i, o)
packed RGB 8:8:8, 24bpp, BGRBGR...
const uint8_t ff_dither_8x8_220[8][8]
#define AV_PIX_FMT_RGB444
#define ENDYUV2RGBLINE(dst_delta, ss)
packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in ...
av_cold SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c)
const uint8_t ff_dither_8x8_73[8][8]
#define PUTRGB48(dst, src, i)
packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0 ...
#define AV_PIX_FMT_RGB565
#define PUTRGB4DB(dst, src, i, o)
#define PUTRGB8(dst, src, i, o)
enum AVPixelFormat srcFormat
Source pixel format.
packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0 ...
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as lit...
#define PUTRGB1(out, src, i, o)
static void fill_gv_table(int table[256], const int elemsize, const int inc)
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
#define AV_PIX_FMT_BGR444
#define AV_PIX_FMT_BGR565
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb...
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big...
enum AVColorSpace colorspace
#define PUTRGB24(dst, src, i)
#define AV_PIX_FMT_BGR555