/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Libav 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,
+ * Libav 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 General Public License for more details.
+ * 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 General Public License
- * along with FFmpeg; if not, write to the Free Software
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * the C code (not assembly, mmx, ...) of this file can be used
- * under the LGPL license too
*/
/*
{BGR,RGB}{1,4,8,15,16} support dithering
unscaled special converters (YV12=I420=IYUV, Y800=Y8)
- YV12 -> {BGR,RGB}{1,4,8,15,16,24,32}
+ YV12 -> {BGR,RGB}{1,4,8,12,15,16,24,32}
x -> x
YUV9 -> YV12
YUV9/YV12 -> Y800
/*
tested special converters (most are tested actually, but I did not write it down ...)
- YV12 -> BGR16
+ YV12 -> BGR12/BGR16
YV12 -> YV12
BGR15 -> BGR16
BGR16 -> BGR16
BGR24 -> YV12
*/
-#define _SVID_SOURCE //needed for MAP_ANONYMOUS
#include <inttypes.h>
#include <string.h>
#include <math.h>
#include <stdio.h>
#include "config.h"
#include <assert.h>
-#if HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-#endif
-#if HAVE_VIRTUALALLOC
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#endif
#include "swscale.h"
#include "swscale_internal.h"
#include "rgb2rgb.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/x86_cpu.h"
#include "libavutil/avutil.h"
+#include "libavutil/mathematics.h"
#include "libavutil/bswap.h"
#include "libavutil/pixdesc.h"
-unsigned swscale_version(void)
-{
- return LIBSWSCALE_VERSION_INT;
-}
-
-const char *swscale_configuration(void)
-{
- return FFMPEG_CONFIGURATION;
-}
-
-const char *swscale_license(void)
-{
-#define LICENSE_PREFIX "libswscale license: "
- return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
-}
-
#undef MOVNTQ
#undef PAVGB
//#undef ARCH_X86
#define DITHER1XBPP
-#define FAST_BGR2YV12 // use 7 bit coefficients instead of 15 bit
-
-#define RET 0xC3 //near return opcode for x86
-
-#ifdef M_PI
-#define PI M_PI
-#else
-#define PI 3.14159265358979323846
-#endif
-
-#define isSupportedIn(x) ( \
- (x)==PIX_FMT_YUV420P \
- || (x)==PIX_FMT_YUVA420P \
- || (x)==PIX_FMT_YUYV422 \
- || (x)==PIX_FMT_UYVY422 \
- || (x)==PIX_FMT_RGB48BE \
- || (x)==PIX_FMT_RGB48LE \
- || (x)==PIX_FMT_RGB32 \
- || (x)==PIX_FMT_RGB32_1 \
- || (x)==PIX_FMT_BGR24 \
- || (x)==PIX_FMT_BGR565 \
- || (x)==PIX_FMT_BGR555 \
- || (x)==PIX_FMT_BGR32 \
- || (x)==PIX_FMT_BGR32_1 \
- || (x)==PIX_FMT_RGB24 \
- || (x)==PIX_FMT_RGB565 \
- || (x)==PIX_FMT_RGB555 \
- || (x)==PIX_FMT_GRAY8 \
- || (x)==PIX_FMT_YUV410P \
- || (x)==PIX_FMT_YUV440P \
- || (x)==PIX_FMT_NV12 \
- || (x)==PIX_FMT_NV21 \
- || (x)==PIX_FMT_GRAY16BE \
- || (x)==PIX_FMT_GRAY16LE \
- || (x)==PIX_FMT_YUV444P \
- || (x)==PIX_FMT_YUV422P \
- || (x)==PIX_FMT_YUV411P \
- || (x)==PIX_FMT_PAL8 \
- || (x)==PIX_FMT_BGR8 \
- || (x)==PIX_FMT_RGB8 \
- || (x)==PIX_FMT_BGR4_BYTE \
- || (x)==PIX_FMT_RGB4_BYTE \
- || (x)==PIX_FMT_YUV440P \
- || (x)==PIX_FMT_MONOWHITE \
- || (x)==PIX_FMT_MONOBLACK \
- || (x)==PIX_FMT_YUV420P16LE \
- || (x)==PIX_FMT_YUV422P16LE \
- || (x)==PIX_FMT_YUV444P16LE \
- || (x)==PIX_FMT_YUV420P16BE \
- || (x)==PIX_FMT_YUV422P16BE \
- || (x)==PIX_FMT_YUV444P16BE \
- )
-
-int sws_isSupportedInput(enum PixelFormat pix_fmt)
-{
- return isSupportedIn(pix_fmt);
-}
-
-#define isSupportedOut(x) ( \
- (x)==PIX_FMT_YUV420P \
- || (x)==PIX_FMT_YUVA420P \
- || (x)==PIX_FMT_YUYV422 \
- || (x)==PIX_FMT_UYVY422 \
- || (x)==PIX_FMT_YUV444P \
- || (x)==PIX_FMT_YUV422P \
- || (x)==PIX_FMT_YUV411P \
- || isRGB(x) \
- || isBGR(x) \
- || (x)==PIX_FMT_NV12 \
- || (x)==PIX_FMT_NV21 \
- || (x)==PIX_FMT_GRAY16BE \
- || (x)==PIX_FMT_GRAY16LE \
- || (x)==PIX_FMT_GRAY8 \
- || (x)==PIX_FMT_YUV410P \
- || (x)==PIX_FMT_YUV440P \
- || (x)==PIX_FMT_YUV420P16LE \
- || (x)==PIX_FMT_YUV422P16LE \
- || (x)==PIX_FMT_YUV444P16LE \
- || (x)==PIX_FMT_YUV420P16BE \
- || (x)==PIX_FMT_YUV422P16BE \
- || (x)==PIX_FMT_YUV444P16BE \
- )
-
-int sws_isSupportedOutput(enum PixelFormat pix_fmt)
-{
- return isSupportedOut(pix_fmt);
-}
-
#define isPacked(x) ( \
(x)==PIX_FMT_PAL8 \
|| (x)==PIX_FMT_YUYV422 \
|| (x)==PIX_FMT_UYVY422 \
- || isRGB(x) \
- || isBGR(x) \
+ || (x)==PIX_FMT_Y400A \
+ || isAnyRGB(x) \
)
-#define usePal(x) (av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL)
#define RGB2YUV_SHIFT 15
#define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5))
#define RV ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5))
#define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5))
-extern const int32_t ff_yuv2rgb_coeffs[8][4];
-
static const double rgb2yuv_table[8][9]={
- {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
- {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
+ {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709
+ {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
{0.59 , 0.11 , 0.30 , -0.331, 0.5, -0.169, -0.421, -0.079, 0.5}, //FCC
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //SMPTE 170M
- {0.701 , 0.087 , 0.212 , -0.384, 0.5 -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
+ {0.701 , 0.087 , 0.212 , -0.384, 0.5, -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M
};
/*
write special BGR->BGR scaler
*/
-#if ARCH_X86 && CONFIG_GPL
+#if ARCH_X86
DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL;
DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL;
-const DECLARE_ALIGNED(8, uint64_t, ff_dither4[2]) = {
+const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
0x0103010301030103LL,
0x0200020002000200LL,};
-const DECLARE_ALIGNED(8, uint64_t, ff_dither8[2]) = {
+const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
0x0602060206020602LL,
0x0004000400040004LL,};
DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL;
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL;
-DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV[2][4]) = {
+DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
{0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL},
{0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL},
};
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL;
-#endif /* ARCH_X86 && CONFIG_GPL */
+#endif /* ARCH_X86 */
-static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b);
-
-DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4[2][8])={
+DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4)[2][8]={
{ 1, 3, 1, 3, 1, 3, 1, 3, },
{ 2, 0, 2, 0, 2, 0, 2, 0, },
};
-DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8[2][8])={
+DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_8)[2][8]={
{ 6, 2, 6, 2, 6, 2, 6, 2, },
{ 0, 4, 0, 4, 0, 4, 0, 4, },
};
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_32[8][8])={
+DECLARE_ALIGNED(8, const uint8_t, dither_4x4_16)[4][8]={
+{ 8, 4, 11, 7, 8, 4, 11, 7, },
+{ 2, 14, 1, 13, 2, 14, 1, 13, },
+{ 10, 6, 9, 5, 10, 6, 9, 5, },
+{ 0, 12, 3, 15, 0, 12, 3, 15, },
+};
+
+DECLARE_ALIGNED(8, const uint8_t, dither_8x8_32)[8][8]={
{ 17, 9, 23, 15, 16, 8, 22, 14, },
{ 5, 29, 3, 27, 4, 28, 2, 26, },
{ 21, 13, 19, 11, 20, 12, 18, 10, },
{ 1, 25, 7, 31, 0, 24, 6, 30, },
};
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_73[8][8])={
+DECLARE_ALIGNED(8, const uint8_t, dither_8x8_73)[8][8]={
{ 0, 55, 14, 68, 3, 58, 17, 72, },
{ 37, 18, 50, 32, 40, 22, 54, 35, },
{ 9, 64, 5, 59, 13, 67, 8, 63, },
};
#if 1
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220[8][8])={
+DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={
{117, 62, 158, 103, 113, 58, 155, 100, },
{ 34, 199, 21, 186, 31, 196, 17, 182, },
{144, 89, 131, 76, 141, 86, 127, 72, },
};
#elif 1
// tries to correct a gamma of 1.5
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220[8][8])={
+DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={
{ 0, 143, 18, 200, 2, 156, 25, 215, },
{ 78, 28, 125, 64, 89, 36, 138, 74, },
{ 10, 180, 3, 161, 16, 195, 8, 175, },
};
#elif 1
// tries to correct a gamma of 2.0
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220[8][8])={
+DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={
{ 0, 124, 8, 193, 0, 140, 12, 213, },
{ 55, 14, 104, 42, 66, 19, 119, 52, },
{ 3, 168, 1, 145, 6, 187, 3, 162, },
};
#else
// tries to correct a gamma of 2.5
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220[8][8])={
+DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220)[8][8]={
{ 0, 107, 3, 187, 0, 125, 6, 212, },
{ 39, 7, 86, 28, 49, 11, 102, 36, },
{ 1, 158, 0, 131, 3, 180, 1, 151, },
};
#endif
-const char *sws_format_name(enum PixelFormat format)
-{
- if ((unsigned)format < PIX_FMT_NB && av_pix_fmt_descriptors[format].name)
- return av_pix_fmt_descriptors[format].name;
- else
- return "Unknown format";
-}
-
static av_always_inline void yuv2yuvX16inC_template(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest,
}\
A1>>=19;\
A2>>=19;\
- }\
+ }
#define YSCALE_YUV_2_PACKEDX_C(type,alpha) \
YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\
A >>=19;\
if (A&256)\
A = av_clip_uint8(A);\
- }\
+ }
#define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \
YSCALE_YUV_2_PACKEDX_FULL_C(rnd>>3,alpha)\
else if (G<0)G=0; \
if (B>=(256<<22)) B=(256<<22)-1; \
else if (B<0)B=0; \
- }\
-
+ }
#define YSCALE_YUV_2_GRAY16_C \
for (i=0; i<(dstW>>1); i++) {\
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]; \
+ b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_PACKED2_C(type,alpha) \
for (i=0; i<(dstW>>1); i++) { \
if (alpha) {\
A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \
A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \
- }\
+ }
#define YSCALE_YUV_2_GRAY16_2_C \
for (i=0; i<(dstW>>1); i++) { \
const int i2= 2*i; \
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \
- int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; \
+ int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11;
#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];\
+ b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_PACKED1_C(type,alpha) \
for (i=0; i<(dstW>>1); i++) {\
if (alpha) {\
A1= abuf0[i2 ]>>7;\
A2= abuf0[i2+1]>>7;\
- }\
+ }
#define YSCALE_YUV_2_GRAY16_1_C \
for (i=0; i<(dstW>>1); i++) {\
const int i2= 2*i;\
int Y1= buf0[i2 ]<<1;\
- int Y2= buf0[i2+1]<<1;\
+ int Y2= buf0[i2+1]<<1;
#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];\
+ b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_PACKED1B_C(type,alpha) \
for (i=0; i<(dstW>>1); i++) {\
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];\
+ b = (type *)c->table_bU[U];
#define YSCALE_YUV_2_MONO2_C \
const uint8_t * const d128=dither_8x8_220[y&7];\
acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
dest++;\
- }\
-
+ }
#define YSCALE_YUV_2_MONOX_C \
const uint8_t * const d128=dither_8x8_220[y&7];\
}\
}
-
#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
switch(c->dstFormat) {\
case PIX_FMT_RGB48BE:\
dest+=6;\
}\
break;\
- case PIX_FMT_RGB565:\
- case PIX_FMT_BGR565:\
+ case PIX_FMT_RGB565BE:\
+ case PIX_FMT_RGB565LE:\
+ case PIX_FMT_BGR565BE:\
+ case PIX_FMT_BGR565LE:\
{\
const int dr1= dither_2x2_8[y&1 ][0];\
const int dg1= dither_2x2_4[y&1 ][0];\
}\
}\
break;\
- case PIX_FMT_RGB555:\
- case PIX_FMT_BGR555:\
+ case PIX_FMT_RGB555BE:\
+ case PIX_FMT_RGB555LE:\
+ case PIX_FMT_BGR555BE:\
+ case PIX_FMT_BGR555LE:\
{\
const int dr1= dither_2x2_8[y&1 ][0];\
const int dg1= dither_2x2_8[y&1 ][1];\
}\
}\
break;\
+ case PIX_FMT_RGB444BE:\
+ case PIX_FMT_RGB444LE:\
+ case PIX_FMT_BGR444BE:\
+ case PIX_FMT_BGR444LE:\
+ {\
+ const int dr1= dither_4x4_16[y&3 ][0];\
+ const int dg1= dither_4x4_16[y&3 ][1];\
+ const int db1= dither_4x4_16[(y&3)^3][0];\
+ const int dr2= dither_4x4_16[y&3 ][1];\
+ const int dg2= dither_4x4_16[y&3 ][0];\
+ const int db2= dither_4x4_16[(y&3)^3][1];\
+ func(uint16_t,0)\
+ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
+ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
+ }\
+ }\
+ break;\
case PIX_FMT_RGB8:\
case PIX_FMT_BGR8:\
{\
((uint8_t*)dest)[2*i2+3]= Y2>>8;\
} \
break;\
- }\
-
+ }
static inline void yuv2packedXinC(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
{
int i;
- int step= fmt_depth(c->dstFormat)/8;
+ int step= c->dstFormatBpp/8;
int aidx= 3;
switch(c->dstFormat) {
}
}
-static inline void rgb48ToY(uint8_t *dst, const uint8_t *src, int width,
+static inline void rgb48ToY(uint8_t *dst, const uint8_t *src, long width,
uint32_t *unused)
{
int i;
static inline void rgb48ToUV(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2,
- int width, uint32_t *unused)
+ long width, uint32_t *unused)
{
int i;
assert(src1==src2);
static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2,
- int width, uint32_t *unused)
+ long width, uint32_t *unused)
{
int i;
assert(src1==src2);
}
BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8)
+BGR2Y(uint32_t,bgr321ToY,16,16, 0, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8)
BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8)
+BGR2Y(uint32_t,rgb321ToY, 0,16,16, 0xFF00, 0x00FF, 0xFF00, RY , GY<<8, BY , RGB2YUV_SHIFT+8)
BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY , RGB2YUV_SHIFT+8)
BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY , RGB2YUV_SHIFT+7)
BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY , GY<<5, BY<<11, RGB2YUV_SHIFT+8)
}
}
-#define BGR2UV(type, name, shr, shg, shb, maska, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\
+#define BGR2UV(type, name, shr, shg, shb, shp, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S) \
static inline void name(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\
{\
int i;\
for (i=0; i<width; i++) {\
- int b= (((const type*)src)[i]&maskb)>>shb;\
- int g= (((const type*)src)[i]&maskg)>>shg;\
- int r= (((const type*)src)[i]&maskr)>>shr;\
+ int b= ((((const type*)src)[i]>>shp)&maskb)>>shb;\
+ int g= ((((const type*)src)[i]>>shp)&maskg)>>shg;\
+ int r= ((((const type*)src)[i]>>shp)&maskr)>>shr;\
\
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\
{\
int i;\
for (i=0; i<width; i++) {\
- int pix0= ((const type*)src)[2*i+0];\
- int pix1= ((const type*)src)[2*i+1];\
+ int pix0= ((const type*)src)[2*i+0]>>shp;\
+ int pix1= ((const type*)src)[2*i+1]>>shp;\
int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\
int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\
int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\
}\
}
-BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0xFF000000, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
-BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0xFF000000, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
-BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU , RV<<11, GV<<5, BV , RGB2YUV_SHIFT+8)
-BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU , RV<<10, GV<<5, BV , RGB2YUV_SHIFT+7)
-BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU , GU<<5, BU<<11, RV , GV<<5, BV<<11, RGB2YUV_SHIFT+8)
-BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU , GU<<5, BU<<10, RV , GV<<5, BV<<10, RGB2YUV_SHIFT+7)
+BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
+BGR2UV(uint32_t,bgr321ToUV,16, 0, 0, 8, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
+BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
+BGR2UV(uint32_t,rgb321ToUV, 0, 0,16, 8, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8)
+BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU , RV<<11, GV<<5, BV , RGB2YUV_SHIFT+8)
+BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU , RV<<10, GV<<5, BV , RGB2YUV_SHIFT+7)
+BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU , GU<<5, BU<<11, RV , GV<<5, BV<<11, RGB2YUV_SHIFT+8)
+BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU , GU<<5, BU<<10, RV , GV<<5, BV<<10, RGB2YUV_SHIFT+7)
static inline void palToY(uint8_t *dst, const uint8_t *src, long width, uint32_t *pal)
{
}
}
-
//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
//Plain C versions
-#if ((!HAVE_MMX || !CONFIG_GPL) && !HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT
-#define COMPILE_C
+#if CONFIG_RUNTIME_CPUDETECT
+# define COMPILE_C 1
+# if ARCH_X86
+# define COMPILE_MMX HAVE_MMX
+# define COMPILE_MMX2 HAVE_MMX2
+# define COMPILE_3DNOW HAVE_AMD3DNOW
+# elif ARCH_PPC
+# define COMPILE_ALTIVEC HAVE_ALTIVEC
+# endif
+#else /* CONFIG_RUNTIME_CPUDETECT */
+# if ARCH_X86
+# if HAVE_MMX2
+# define COMPILE_MMX2 1
+# elif HAVE_AMD3DNOW
+# define COMPILE_3DNOW 1
+# elif HAVE_MMX
+# define COMPILE_MMX 1
+# else
+# define COMPILE_C 1
+# endif
+# elif ARCH_PPC && HAVE_ALTIVEC
+# define COMPILE_ALTIVEC 1
+# else
+# define COMPILE_C 1
+# endif
#endif
-#if ARCH_PPC
-#if HAVE_ALTIVEC || CONFIG_RUNTIME_CPUDETECT
-#define COMPILE_ALTIVEC
+#ifndef COMPILE_C
+# define COMPILE_C 0
#endif
-#endif //ARCH_PPC
-
-#if ARCH_X86
-
-#if ((HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
-#define COMPILE_MMX
+#ifndef COMPILE_MMX
+# define COMPILE_MMX 0
#endif
-
-#if (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
-#define COMPILE_MMX2
+#ifndef COMPILE_MMX2
+# define COMPILE_MMX2 0
#endif
-
-#if ((HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL
-#define COMPILE_3DNOW
+#ifndef COMPILE_3DNOW
+# define COMPILE_3DNOW 0
+#endif
+#ifndef COMPILE_ALTIVEC
+# define COMPILE_ALTIVEC 0
#endif
-#endif //ARCH_X86
#define COMPILE_TEMPLATE_MMX 0
#define COMPILE_TEMPLATE_MMX2 0
#define COMPILE_TEMPLATE_AMD3DNOW 0
#define COMPILE_TEMPLATE_ALTIVEC 0
-#ifdef COMPILE_C
+#if COMPILE_C
#define RENAME(a) a ## _C
#include "swscale_template.c"
#endif
-#ifdef COMPILE_ALTIVEC
+#if COMPILE_ALTIVEC
#undef RENAME
#undef COMPILE_TEMPLATE_ALTIVEC
#define COMPILE_TEMPLATE_ALTIVEC 1
#if ARCH_X86
//MMX versions
-#ifdef COMPILE_MMX
+#if COMPILE_MMX
#undef RENAME
#undef COMPILE_TEMPLATE_MMX
#undef COMPILE_TEMPLATE_MMX2
#endif
//MMX2 versions
-#ifdef COMPILE_MMX2
+#if COMPILE_MMX2
#undef RENAME
#undef COMPILE_TEMPLATE_MMX
#undef COMPILE_TEMPLATE_MMX2
#endif
//3DNOW versions
-#ifdef COMPILE_3DNOW
+#if COMPILE_3DNOW
#undef RENAME
#undef COMPILE_TEMPLATE_MMX
#undef COMPILE_TEMPLATE_MMX2
#endif //ARCH_X86
-static double getSplineCoeff(double a, double b, double c, double d, double dist)
-{
-// printf("%f %f %f %f %f\n", a,b,c,d,dist);
- if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a;
- else return getSplineCoeff( 0.0,
- b+ 2.0*c + 3.0*d,
- c + 3.0*d,
- -b- 3.0*c - 6.0*d,
- dist-1.0);
-}
-
-static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc,
- int srcW, int dstW, int filterAlign, int one, int flags,
- SwsVector *srcFilter, SwsVector *dstFilter, double param[2])
-{
- int i;
- int filterSize;
- int filter2Size;
- int minFilterSize;
- int64_t *filter=NULL;
- int64_t *filter2=NULL;
- const int64_t fone= 1LL<<54;
- int ret= -1;
-#if ARCH_X86
- if (flags & SWS_CPU_CAPS_MMX)
- __asm__ volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions)
-#endif
-
- // NOTE: the +1 is for the MMX scaler which reads over the end
- FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+1)*sizeof(int16_t), fail);
-
- if (FFABS(xInc - 0x10000) <10) { // unscaled
- int i;
- filterSize= 1;
- FF_ALLOCZ_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
-
- for (i=0; i<dstW; i++) {
- filter[i*filterSize]= fone;
- (*filterPos)[i]=i;
- }
-
- } else if (flags&SWS_POINT) { // lame looking point sampling mode
- int i;
- int xDstInSrc;
- filterSize= 1;
- FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
-
- xDstInSrc= xInc/2 - 0x8000;
- for (i=0; i<dstW; i++) {
- int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
-
- (*filterPos)[i]= xx;
- filter[i]= fone;
- xDstInSrc+= xInc;
- }
- } else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) { // bilinear upscale
- int i;
- int xDstInSrc;
- filterSize= 2;
- FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
-
- xDstInSrc= xInc/2 - 0x8000;
- for (i=0; i<dstW; i++) {
- int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
- int j;
-
- (*filterPos)[i]= xx;
- //bilinear upscale / linear interpolate / area averaging
- for (j=0; j<filterSize; j++) {
- int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16);
- if (coeff<0) coeff=0;
- filter[i*filterSize + j]= coeff;
- xx++;
- }
- xDstInSrc+= xInc;
- }
- } else {
- int xDstInSrc;
- int sizeFactor;
-
- if (flags&SWS_BICUBIC) sizeFactor= 4;
- else if (flags&SWS_X) sizeFactor= 8;
- else if (flags&SWS_AREA) sizeFactor= 1; //downscale only, for upscale it is bilinear
- else if (flags&SWS_GAUSS) sizeFactor= 8; // infinite ;)
- else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? ceil(2*param[0]) : 6;
- else if (flags&SWS_SINC) sizeFactor= 20; // infinite ;)
- else if (flags&SWS_SPLINE) sizeFactor= 20; // infinite ;)
- else if (flags&SWS_BILINEAR) sizeFactor= 2;
- else {
- sizeFactor= 0; //GCC warning killer
- assert(0);
- }
-
- if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale
- else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/ dstW;
-
- if (filterSize > srcW-2) filterSize=srcW-2;
-
- FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
-
- xDstInSrc= xInc - 0x10000;
- for (i=0; i<dstW; i++) {
- int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17);
- int j;
- (*filterPos)[i]= xx;
- for (j=0; j<filterSize; j++) {
- int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13;
- double floatd;
- int64_t coeff;
-
- if (xInc > 1<<16)
- d= d*dstW/srcW;
- floatd= d * (1.0/(1<<30));
-
- if (flags & SWS_BICUBIC) {
- int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24);
- int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24);
- int64_t dd = ( d*d)>>30;
- int64_t ddd= (dd*d)>>30;
-
- if (d < 1LL<<30)
- coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30);
- else if (d < 1LL<<31)
- coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30);
- else
- coeff=0.0;
- coeff *= fone>>(30+24);
- }
-/* else if (flags & SWS_X) {
- double p= param ? param*0.01 : 0.3;
- coeff = d ? sin(d*PI)/(d*PI) : 1.0;
- coeff*= pow(2.0, - p*d*d);
- }*/
- else if (flags & SWS_X) {
- double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
- double c;
-
- if (floatd<1.0)
- c = cos(floatd*PI);
- else
- c=-1.0;
- if (c<0.0) c= -pow(-c, A);
- else c= pow( c, A);
- coeff= (c*0.5 + 0.5)*fone;
- } else if (flags & SWS_AREA) {
- int64_t d2= d - (1<<29);
- if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16));
- else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16));
- else coeff=0.0;
- coeff *= fone>>(30+16);
- } else if (flags & SWS_GAUSS) {
- double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
- coeff = (pow(2.0, - p*floatd*floatd))*fone;
- } else if (flags & SWS_SINC) {
- coeff = (d ? sin(floatd*PI)/(floatd*PI) : 1.0)*fone;
- } else if (flags & SWS_LANCZOS) {
- double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
- coeff = (d ? sin(floatd*PI)*sin(floatd*PI/p)/(floatd*floatd*PI*PI/p) : 1.0)*fone;
- if (floatd>p) coeff=0;
- } else if (flags & SWS_BILINEAR) {
- coeff= (1<<30) - d;
- if (coeff<0) coeff=0;
- coeff *= fone >> 30;
- } else if (flags & SWS_SPLINE) {
- double p=-2.196152422706632;
- coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone;
- } else {
- coeff= 0.0; //GCC warning killer
- assert(0);
- }
-
- filter[i*filterSize + j]= coeff;
- xx++;
- }
- xDstInSrc+= 2*xInc;
- }
- }
-
- /* apply src & dst Filter to filter -> filter2
- av_free(filter);
- */
- assert(filterSize>0);
- filter2Size= filterSize;
- if (srcFilter) filter2Size+= srcFilter->length - 1;
- if (dstFilter) filter2Size+= dstFilter->length - 1;
- assert(filter2Size>0);
- FF_ALLOCZ_OR_GOTO(NULL, filter2, filter2Size*dstW*sizeof(*filter2), fail);
-
- for (i=0; i<dstW; i++) {
- int j, k;
-
- if(srcFilter) {
- for (k=0; k<srcFilter->length; k++) {
- for (j=0; j<filterSize; j++)
- filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j];
- }
- } else {
- for (j=0; j<filterSize; j++)
- filter2[i*filter2Size + j]= filter[i*filterSize + j];
- }
- //FIXME dstFilter
-
- (*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2;
- }
- av_freep(&filter);
-
- /* try to reduce the filter-size (step1 find size and shift left) */
- // Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
- minFilterSize= 0;
- for (i=dstW-1; i>=0; i--) {
- int min= filter2Size;
- int j;
- int64_t cutOff=0.0;
-
- /* get rid off near zero elements on the left by shifting left */
- for (j=0; j<filter2Size; j++) {
- int k;
- cutOff += FFABS(filter2[i*filter2Size]);
-
- if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break;
-
- /* preserve monotonicity because the core can't handle the filter otherwise */
- if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break;
-
- // move filter coefficients left
- for (k=1; k<filter2Size; k++)
- filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k];
- filter2[i*filter2Size + k - 1]= 0;
- (*filterPos)[i]++;
- }
-
- cutOff=0;
- /* count near zeros on the right */
- for (j=filter2Size-1; j>0; j--) {
- cutOff += FFABS(filter2[i*filter2Size + j]);
-
- if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break;
- min--;
- }
-
- if (min>minFilterSize) minFilterSize= min;
- }
-
- if (flags & SWS_CPU_CAPS_ALTIVEC) {
- // we can handle the special case 4,
- // so we don't want to go to the full 8
- if (minFilterSize < 5)
- filterAlign = 4;
-
- // We really don't want to waste our time
- // doing useless computation, so fall back on
- // the scalar C code for very small filters.
- // Vectorizing is worth it only if you have a
- // decent-sized vector.
- if (minFilterSize < 3)
- filterAlign = 1;
- }
-
- if (flags & SWS_CPU_CAPS_MMX) {
- // special case for unscaled vertical filtering
- if (minFilterSize == 1 && filterAlign == 2)
- filterAlign= 1;
- }
-
- assert(minFilterSize > 0);
- filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1));
- assert(filterSize > 0);
- filter= av_malloc(filterSize*dstW*sizeof(*filter));
- if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter)
- goto fail;
- *outFilterSize= filterSize;
-
- if (flags&SWS_PRINT_INFO)
- av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize);
- /* try to reduce the filter-size (step2 reduce it) */
- for (i=0; i<dstW; i++) {
- int j;
-
- for (j=0; j<filterSize; j++) {
- if (j>=filter2Size) filter[i*filterSize + j]= 0;
- else filter[i*filterSize + j]= filter2[i*filter2Size + j];
- if((flags & SWS_BITEXACT) && j>=minFilterSize)
- filter[i*filterSize + j]= 0;
- }
- }
-
-
- //FIXME try to align filterPos if possible
-
- //fix borders
- for (i=0; i<dstW; i++) {
- int j;
- if ((*filterPos)[i] < 0) {
- // move filter coefficients left to compensate for filterPos
- for (j=1; j<filterSize; j++) {
- int left= FFMAX(j + (*filterPos)[i], 0);
- filter[i*filterSize + left] += filter[i*filterSize + j];
- filter[i*filterSize + j]=0;
- }
- (*filterPos)[i]= 0;
- }
-
- if ((*filterPos)[i] + filterSize > srcW) {
- int shift= (*filterPos)[i] + filterSize - srcW;
- // move filter coefficients right to compensate for filterPos
- for (j=filterSize-2; j>=0; j--) {
- int right= FFMIN(j + shift, filterSize-1);
- filter[i*filterSize +right] += filter[i*filterSize +j];
- filter[i*filterSize +j]=0;
- }
- (*filterPos)[i]= srcW - filterSize;
- }
- }
-
- // Note the +1 is for the MMX scaler which reads over the end
- /* align at 16 for AltiVec (needed by hScale_altivec_real) */
- FF_ALLOCZ_OR_GOTO(NULL, *outFilter, *outFilterSize*(dstW+1)*sizeof(int16_t), fail);
-
- /* normalize & store in outFilter */
- for (i=0; i<dstW; i++) {
- int j;
- int64_t error=0;
- int64_t sum=0;
-
- for (j=0; j<filterSize; j++) {
- sum+= filter[i*filterSize + j];
- }
- sum= (sum + one/2)/ one;
- for (j=0; j<*outFilterSize; j++) {
- int64_t v= filter[i*filterSize + j] + error;
- int intV= ROUNDED_DIV(v, sum);
- (*outFilter)[i*(*outFilterSize) + j]= intV;
- error= v - intV*sum;
- }
- }
-
- (*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end
- for (i=0; i<*outFilterSize; i++) {
- int j= dstW*(*outFilterSize);
- (*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)];
- }
-
- ret=0;
-fail:
- av_free(filter);
- av_free(filter2);
- return ret;
-}
-
-#ifdef COMPILE_MMX2
-static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *filter, int32_t *filterPos, int numSplits)
-{
- uint8_t *fragmentA;
- x86_reg imm8OfPShufW1A;
- x86_reg imm8OfPShufW2A;
- x86_reg fragmentLengthA;
- uint8_t *fragmentB;
- x86_reg imm8OfPShufW1B;
- x86_reg imm8OfPShufW2B;
- x86_reg fragmentLengthB;
- int fragmentPos;
-
- int xpos, i;
-
- // create an optimized horizontal scaling routine
- /* This scaler is made of runtime-generated MMX2 code using specially
- * tuned pshufw instructions. For every four output pixels, if four
- * input pixels are enough for the fast bilinear scaling, then a chunk
- * of fragmentB is used. If five input pixels are needed, then a chunk
- * of fragmentA is used.
- */
-
- //code fragment
-
- __asm__ volatile(
- "jmp 9f \n\t"
- // Begin
- "0: \n\t"
- "movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t"
- "movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t"
- "movd 1(%%"REG_c", %%"REG_S"), %%mm1 \n\t"
- "punpcklbw %%mm7, %%mm1 \n\t"
- "punpcklbw %%mm7, %%mm0 \n\t"
- "pshufw $0xFF, %%mm1, %%mm1 \n\t"
- "1: \n\t"
- "pshufw $0xFF, %%mm0, %%mm0 \n\t"
- "2: \n\t"
- "psubw %%mm1, %%mm0 \n\t"
- "movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t"
- "pmullw %%mm3, %%mm0 \n\t"
- "psllw $7, %%mm1 \n\t"
- "paddw %%mm1, %%mm0 \n\t"
-
- "movq %%mm0, (%%"REG_D", %%"REG_a") \n\t"
-
- "add $8, %%"REG_a" \n\t"
- // End
- "9: \n\t"
-// "int $3 \n\t"
- "lea " LOCAL_MANGLE(0b) ", %0 \n\t"
- "lea " LOCAL_MANGLE(1b) ", %1 \n\t"
- "lea " LOCAL_MANGLE(2b) ", %2 \n\t"
- "dec %1 \n\t"
- "dec %2 \n\t"
- "sub %0, %1 \n\t"
- "sub %0, %2 \n\t"
- "lea " LOCAL_MANGLE(9b) ", %3 \n\t"
- "sub %0, %3 \n\t"
-
-
- :"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A),
- "=r" (fragmentLengthA)
- );
-
- __asm__ volatile(
- "jmp 9f \n\t"
- // Begin
- "0: \n\t"
- "movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t"
- "movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t"
- "punpcklbw %%mm7, %%mm0 \n\t"
- "pshufw $0xFF, %%mm0, %%mm1 \n\t"
- "1: \n\t"
- "pshufw $0xFF, %%mm0, %%mm0 \n\t"
- "2: \n\t"
- "psubw %%mm1, %%mm0 \n\t"
- "movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t"
- "pmullw %%mm3, %%mm0 \n\t"
- "psllw $7, %%mm1 \n\t"
- "paddw %%mm1, %%mm0 \n\t"
-
- "movq %%mm0, (%%"REG_D", %%"REG_a") \n\t"
-
- "add $8, %%"REG_a" \n\t"
- // End
- "9: \n\t"
-// "int $3 \n\t"
- "lea " LOCAL_MANGLE(0b) ", %0 \n\t"
- "lea " LOCAL_MANGLE(1b) ", %1 \n\t"
- "lea " LOCAL_MANGLE(2b) ", %2 \n\t"
- "dec %1 \n\t"
- "dec %2 \n\t"
- "sub %0, %1 \n\t"
- "sub %0, %2 \n\t"
- "lea " LOCAL_MANGLE(9b) ", %3 \n\t"
- "sub %0, %3 \n\t"
-
-
- :"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B),
- "=r" (fragmentLengthB)
- );
-
- xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers
- fragmentPos=0;
-
- for (i=0; i<dstW/numSplits; i++) {
- int xx=xpos>>16;
-
- if ((i&3) == 0) {
- int a=0;
- int b=((xpos+xInc)>>16) - xx;
- int c=((xpos+xInc*2)>>16) - xx;
- int d=((xpos+xInc*3)>>16) - xx;
- int inc = (d+1<4);
- uint8_t *fragment = (d+1<4) ? fragmentB : fragmentA;
- x86_reg imm8OfPShufW1 = (d+1<4) ? imm8OfPShufW1B : imm8OfPShufW1A;
- x86_reg imm8OfPShufW2 = (d+1<4) ? imm8OfPShufW2B : imm8OfPShufW2A;
- x86_reg fragmentLength = (d+1<4) ? fragmentLengthB : fragmentLengthA;
- int maxShift= 3-(d+inc);
- int shift=0;
-
- if (filterCode) {
- filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9;
- filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9;
- filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9;
- filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9;
- filterPos[i/2]= xx;
-
- memcpy(filterCode + fragmentPos, fragment, fragmentLength);
-
- filterCode[fragmentPos + imm8OfPShufW1]=
- (a+inc) | ((b+inc)<<2) | ((c+inc)<<4) | ((d+inc)<<6);
- filterCode[fragmentPos + imm8OfPShufW2]=
- a | (b<<2) | (c<<4) | (d<<6);
-
- if (i+4-inc>=dstW) shift=maxShift; //avoid overread
- else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align
-
- if (shift && i>=shift) {
- filterCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift;
- filterCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift;
- filterPos[i/2]-=shift;
- }
- }
-
- fragmentPos+= fragmentLength;
-
- if (filterCode)
- filterCode[fragmentPos]= RET;
- }
- xpos+=xInc;
- }
- if (filterCode)
- filterPos[((i/2)+1)&(~1)]= xpos>>16; // needed to jump to the next part
-
- return fragmentPos + 1;
-}
-#endif /* COMPILE_MMX2 */
-
-static SwsFunc getSwsFunc(SwsContext *c)
+SwsFunc ff_getSwsFunc(SwsContext *c)
{
#if CONFIG_RUNTIME_CPUDETECT
int flags = c->flags;
-#if ARCH_X86 && CONFIG_GPL
+#if ARCH_X86
// ordered per speed fastest first
if (flags & SWS_CPU_CAPS_MMX2) {
sws_init_swScale_MMX2(c);
}
#else
-#if ARCH_PPC
+#if COMPILE_ALTIVEC
if (flags & SWS_CPU_CAPS_ALTIVEC) {
sws_init_swScale_altivec(c);
return swScale_altivec;
#endif
sws_init_swScale_C(c);
return swScale_C;
-#endif /* ARCH_X86 && CONFIG_GPL */
+#endif /* ARCH_X86 */
#else //CONFIG_RUNTIME_CPUDETECT
#if COMPILE_TEMPLATE_MMX2
sws_init_swScale_MMX2(c);
#endif //!CONFIG_RUNTIME_CPUDETECT
}
-static int PlanarToNV12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[])
+static void copyPlane(const uint8_t *src, int srcStride,
+ int srcSliceY, int srcSliceH, int width,
+ uint8_t *dst, int dstStride)
{
- uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
- /* Copy Y plane */
- if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
- memcpy(dst, src[0], srcSliceH*dstStride[0]);
- else {
+ dst += dstStride * srcSliceY;
+ if (dstStride == srcStride && srcStride > 0) {
+ memcpy(dst, src, srcSliceH * dstStride);
+ } else {
int i;
- const uint8_t *srcPtr= src[0];
- uint8_t *dstPtr= dst;
for (i=0; i<srcSliceH; i++) {
- memcpy(dstPtr, srcPtr, c->srcW);
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
+ memcpy(dst, src, width);
+ src += srcStride;
+ dst += dstStride;
}
}
- dst = dstParam[1] + dstStride[1]*srcSliceY/2;
+}
+
+static int planarToNv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
+ uint8_t *dst = dstParam[1] + dstStride[1]*srcSliceY/2;
+
+ copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
+ dstParam[0], dstStride[0]);
+
if (c->dstFormat == PIX_FMT_NV12)
interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]);
else
return srcSliceH;
}
-static int PlanarToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int planarToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int PlanarToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int planarToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int YUV422PToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int YUV422PToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int YUYV2YUV420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int YUYV2YUV422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int UYVY2YUV420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int UYVY2YUV422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[])
{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
return srcSliceH;
}
-static int pal2rgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[])
+static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+{
+ long i;
+ for (i=0; i<num_pixels; i++)
+ ((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | (src[(i<<1)+1] << 24);
+}
+
+static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+{
+ long i;
+
+ for (i=0; i<num_pixels; i++)
+ ((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | src[(i<<1)+1];
+}
+
+static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+{
+ long i;
+
+ for (i=0; i<num_pixels; i++) {
+ //FIXME slow?
+ dst[0]= palette[src[i<<1]*4+0];
+ dst[1]= palette[src[i<<1]*4+1];
+ dst[2]= palette[src[i<<1]*4+2];
+ dst+= 3;
+ }
+}
+
+static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
{
const enum PixelFormat srcFormat= c->srcFormat;
const enum PixelFormat dstFormat= c->dstFormat;
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
const uint8_t *srcPtr= src[0];
- if (!usePal(srcFormat))
- av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
-
- switch(dstFormat) {
- case PIX_FMT_RGB32 : conv = palette8topacked32; break;
- case PIX_FMT_BGR32 : conv = palette8topacked32; break;
- case PIX_FMT_BGR32_1: conv = palette8topacked32; break;
- case PIX_FMT_RGB32_1: conv = palette8topacked32; break;
- case PIX_FMT_RGB24 : conv = palette8topacked24; break;
- case PIX_FMT_BGR24 : conv = palette8topacked24; break;
- default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
+ if (srcFormat == PIX_FMT_Y400A) {
+ switch (dstFormat) {
+ case PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
+ case PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
+ case PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
+ case PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
+ case PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
+ case PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
+ }
+ } else if (usePal(srcFormat)) {
+ switch (dstFormat) {
+ case PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
+ case PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
+ case PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
+ case PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
+ case PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
+ case PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
+ }
}
-
- for (i=0; i<srcSliceH; i++) {
- conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
+ if (!conv)
+ av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
+ sws_format_name(srcFormat), sws_format_name(dstFormat));
+ else {
+ for (i=0; i<srcSliceH; i++) {
+ conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
+ srcPtr+= srcStride[0];
+ dstPtr+= dstStride[0];
+ }
}
return srcSliceH;
}
+#define isRGBA32(x) ( \
+ (x) == PIX_FMT_ARGB \
+ || (x) == PIX_FMT_RGBA \
+ || (x) == PIX_FMT_BGRA \
+ || (x) == PIX_FMT_ABGR \
+ )
+
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
-static int rgb2rgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[])
+static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
{
const enum PixelFormat srcFormat= c->srcFormat;
const enum PixelFormat dstFormat= c->dstFormat;
- const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3;
- const int dstBpp= (fmt_depth(dstFormat) + 7) >> 3;
- const int srcId= fmt_depth(srcFormat) >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */
- const int dstId= fmt_depth(dstFormat) >> 2;
+ const int srcBpp= (c->srcFormatBpp + 7) >> 3;
+ const int dstBpp= (c->dstFormatBpp + 7) >> 3;
+ const int srcId= c->srcFormatBpp >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */
+ const int dstId= c->dstFormatBpp >> 2;
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL;
+#define CONV_IS(src, dst) (srcFormat == PIX_FMT_##src && dstFormat == PIX_FMT_##dst)
+
+ if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
+ if ( CONV_IS(ABGR, RGBA)
+ || CONV_IS(ARGB, BGRA)
+ || CONV_IS(BGRA, ARGB)
+ || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
+ else if (CONV_IS(ABGR, ARGB)
+ || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
+ else if (CONV_IS(ABGR, BGRA)
+ || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
+ else if (CONV_IS(BGRA, RGBA)
+ || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
+ else if (CONV_IS(BGRA, ABGR)
+ || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
+ } else
/* BGR -> BGR */
- if ( (isBGR(srcFormat) && isBGR(dstFormat))
- || (isRGB(srcFormat) && isRGB(dstFormat))) {
+ if ( (isBGRinInt(srcFormat) && isBGRinInt(dstFormat))
+ || (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
switch(srcId | (dstId<<4)) {
case 0x34: conv= rgb16to15; break;
case 0x36: conv= rgb24to15; break;
case 0x83: conv= rgb15to32; break;
case 0x84: conv= rgb16to32; break;
case 0x86: conv= rgb24to32; break;
- default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
}
- } else if ( (isBGR(srcFormat) && isRGB(dstFormat))
- || (isRGB(srcFormat) && isBGR(dstFormat))) {
+ } else if ( (isBGRinInt(srcFormat) && isRGBinInt(dstFormat))
+ || (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
switch(srcId | (dstId<<4)) {
case 0x33: conv= rgb15tobgr15; break;
case 0x34: conv= rgb16tobgr15; break;
case 0x83: conv= rgb15tobgr32; break;
case 0x84: conv= rgb16tobgr32; break;
case 0x86: conv= rgb24tobgr32; break;
- case 0x88: conv= rgb32tobgr32; break;
- default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
}
- } else {
- av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
}
- if(conv) {
+ if (!conv) {
+ av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
+ sws_format_name(srcFormat), sws_format_name(dstFormat));
+ } else {
const uint8_t *srcPtr= src[0];
- if(srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
+ uint8_t *dstPtr= dst[0];
+ if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) && !isRGBA32(dstFormat))
srcPtr += ALT32_CORR;
+ if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) && !isRGBA32(srcFormat))
+ dstPtr += ALT32_CORR;
+
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0)
- conv(srcPtr, dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
+ conv(srcPtr, dstPtr + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
else {
int i;
- uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
+ dstPtr += dstStride[0]*srcSliceY;
for (i=0; i<srcSliceH; i++) {
conv(srcPtr, dstPtr, c->srcW*srcBpp);
return srcSliceH;
}
-static int bgr24toyv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
-
rgb24toyv12(
src[0],
dst[0]+ srcSliceY *dstStride[0],
return srcSliceH;
}
-static int yvu9toyv12Wrapper(SwsContext *c, const const uint8_t* src[], int srcStride[], int srcSliceY,
+static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
- int i;
-
- /* copy Y */
- if (srcStride[0]==dstStride[0] && srcStride[0] > 0)
- memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH);
- else {
- const uint8_t *srcPtr= src[0];
- uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
-
- for (i=0; i<srcSliceH; i++) {
- memcpy(dstPtr, srcPtr, c->srcW);
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
- }
- }
+ copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
+ dst[0], dstStride[0]);
- if (c->dstFormat==PIX_FMT_YUV420P || c->dstFormat==PIX_FMT_YUVA420P) {
- planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
- srcSliceH >> 2, srcStride[1], dstStride[1]);
- planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
- srcSliceH >> 2, srcStride[2], dstStride[2]);
- } else {
- planar2x(src[1], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
- srcSliceH >> 2, srcStride[1], dstStride[2]);
- planar2x(src[2], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
- srcSliceH >> 2, srcStride[2], dstStride[1]);
- }
+ planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
+ srcSliceH >> 2, srcStride[1], dstStride[1]);
+ planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
+ srcSliceH >> 2, srcStride[2], dstStride[2]);
if (dst[3])
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
return srcSliceH;
}
/* unscaled copy like stuff (assumes nearly identical formats) */
-static int packedCopy(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[])
+static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
{
if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]);
return srcSliceH;
}
-static int planarCopy(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[])
+static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
{
int plane, i, j;
for (plane=0; plane<4; plane++) {
for (i=0; i<height; i++) {
for (j=0; j<length; j++)
- ((uint16_t*)dstPtr)[j] = bswap_16(((uint16_t*)srcPtr)[j]);
+ ((uint16_t*)dstPtr)[j] = av_bswap16(((const uint16_t*)srcPtr)[j]);
srcPtr+= srcStride[plane];
dstPtr+= dstStride[plane];
}
- } else if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0)
- memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]);
- else {
+ } else if (dstStride[plane] == srcStride[plane] &&
+ srcStride[plane] > 0 && srcStride[plane] == length) {
+ memcpy(dst[plane] + dstStride[plane]*y, src[plane],
+ height*dstStride[plane]);
+ } else {
if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
length*=2;
for (i=0; i<height; i++) {
return srcSliceH;
}
-
-static void getSubSampleFactors(int *h, int *v, enum PixelFormat format)
-{
- *h = av_pix_fmt_descriptors[format].log2_chroma_w;
- *v = av_pix_fmt_descriptors[format].log2_chroma_h;
-}
-
-static uint16_t roundToInt16(int64_t f)
+int ff_hardcodedcpuflags(void)
{
- int r= (f + (1<<15))>>16;
- if (r<-0x7FFF) return 0x8000;
- else if (r> 0x7FFF) return 0x7FFF;
- else return r;
-}
-
-int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation)
-{
- int64_t crv = inv_table[0];
- int64_t cbu = inv_table[1];
- int64_t cgu = -inv_table[2];
- int64_t cgv = -inv_table[3];
- int64_t cy = 1<<16;
- int64_t oy = 0;
-
- memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4);
- memcpy(c->dstColorspaceTable, table, sizeof(int)*4);
-
- c->brightness= brightness;
- c->contrast = contrast;
- c->saturation= saturation;
- c->srcRange = srcRange;
- c->dstRange = dstRange;
- if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
-
- c->uOffset= 0x0400040004000400LL;
- c->vOffset= 0x0400040004000400LL;
-
- if (!srcRange) {
- cy= (cy*255) / 219;
- oy= 16<<16;
- } else {
- crv= (crv*224) / 255;
- cbu= (cbu*224) / 255;
- cgu= (cgu*224) / 255;
- cgv= (cgv*224) / 255;
- }
-
- cy = (cy *contrast )>>16;
- crv= (crv*contrast * saturation)>>32;
- cbu= (cbu*contrast * saturation)>>32;
- cgu= (cgu*contrast * saturation)>>32;
- cgv= (cgv*contrast * saturation)>>32;
-
- oy -= 256*brightness;
-
- c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL;
- c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL;
- c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL;
- c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL;
- c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL;
- c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL;
-
- c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy <<13);
- c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9);
- c->yuv2rgb_v2r_coeff= (int16_t)roundToInt16(crv<<13);
- c->yuv2rgb_v2g_coeff= (int16_t)roundToInt16(cgv<<13);
- c->yuv2rgb_u2g_coeff= (int16_t)roundToInt16(cgu<<13);
- c->yuv2rgb_u2b_coeff= (int16_t)roundToInt16(cbu<<13);
-
- ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation);
- //FIXME factorize
-
-#ifdef COMPILE_ALTIVEC
- if (c->flags & SWS_CPU_CAPS_ALTIVEC)
- ff_yuv2rgb_init_tables_altivec(c, inv_table, brightness, contrast, saturation);
-#endif
- return 0;
-}
-
-int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation)
-{
- if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
-
- *inv_table = c->srcColorspaceTable;
- *table = c->dstColorspaceTable;
- *srcRange = c->srcRange;
- *dstRange = c->dstRange;
- *brightness= c->brightness;
- *contrast = c->contrast;
- *saturation= c->saturation;
-
- return 0;
-}
-
-static int handle_jpeg(enum PixelFormat *format)
-{
- switch (*format) {
- case PIX_FMT_YUVJ420P:
- *format = PIX_FMT_YUV420P;
- return 1;
- case PIX_FMT_YUVJ422P:
- *format = PIX_FMT_YUV422P;
- return 1;
- case PIX_FMT_YUVJ444P:
- *format = PIX_FMT_YUV444P;
- return 1;
- case PIX_FMT_YUVJ440P:
- *format = PIX_FMT_YUV440P;
- return 1;
- default:
- return 0;
- }
-}
-
-SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags,
- SwsFilter *srcFilter, SwsFilter *dstFilter, const double *param)
-{
-
- SwsContext *c;
- int i;
- int usesVFilter, usesHFilter;
- int unscaled, needsDither;
- int srcRange, dstRange;
- SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
-#if ARCH_X86
- if (flags & SWS_CPU_CAPS_MMX)
- __asm__ volatile("emms\n\t"::: "memory");
-#endif
-
-#if !CONFIG_RUNTIME_CPUDETECT //ensure that the flags match the compiled variant if cpudetect is off
- flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC|SWS_CPU_CAPS_BFIN);
+ int flags = 0;
#if COMPILE_TEMPLATE_MMX2
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2;
#elif COMPILE_TEMPLATE_AMD3DNOW
#elif ARCH_BFIN
flags |= SWS_CPU_CAPS_BFIN;
#endif
-#endif /* CONFIG_RUNTIME_CPUDETECT */
- if (!rgb15to16) sws_rgb2rgb_init(flags);
-
- unscaled = (srcW == dstW && srcH == dstH);
- needsDither= (isBGR(dstFormat) || isRGB(dstFormat))
- && (fmt_depth(dstFormat))<24
- && ((fmt_depth(dstFormat))<(fmt_depth(srcFormat)) || (!(isRGB(srcFormat) || isBGR(srcFormat))));
-
- srcRange = handle_jpeg(&srcFormat);
- dstRange = handle_jpeg(&dstFormat);
-
- if (!isSupportedIn(srcFormat)) {
- av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat));
- return NULL;
- }
- if (!isSupportedOut(dstFormat)) {
- av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat));
- return NULL;
- }
-
- i= flags & ( SWS_POINT
- |SWS_AREA
- |SWS_BILINEAR
- |SWS_FAST_BILINEAR
- |SWS_BICUBIC
- |SWS_X
- |SWS_GAUSS
- |SWS_LANCZOS
- |SWS_SINC
- |SWS_SPLINE
- |SWS_BICUBLIN);
- if(!i || (i & (i-1))) {
- av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be chosen\n");
- return NULL;
- }
-
- /* sanity check */
- if (srcW<4 || srcH<1 || dstW<8 || dstH<1) { //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
- av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n",
- srcW, srcH, dstW, dstH);
- return NULL;
- }
- if(srcW > VOFW || dstW > VOFW) {
- av_log(NULL, AV_LOG_ERROR, "swScaler: Compile-time maximum width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n");
- return NULL;
- }
-
- if (!dstFilter) dstFilter= &dummyFilter;
- if (!srcFilter) srcFilter= &dummyFilter;
-
- FF_ALLOCZ_OR_GOTO(NULL, c, sizeof(SwsContext), fail);
-
- c->av_class = &sws_context_class;
- c->srcW= srcW;
- c->srcH= srcH;
- c->dstW= dstW;
- c->dstH= dstH;
- c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW;
- c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH;
- c->flags= flags;
- c->dstFormat= dstFormat;
- c->srcFormat= srcFormat;
- c->vRounder= 4* 0x0001000100010001ULL;
-
- usesHFilter= usesVFilter= 0;
- if (dstFilter->lumV && dstFilter->lumV->length>1) usesVFilter=1;
- if (dstFilter->lumH && dstFilter->lumH->length>1) usesHFilter=1;
- if (dstFilter->chrV && dstFilter->chrV->length>1) usesVFilter=1;
- if (dstFilter->chrH && dstFilter->chrH->length>1) usesHFilter=1;
- if (srcFilter->lumV && srcFilter->lumV->length>1) usesVFilter=1;
- if (srcFilter->lumH && srcFilter->lumH->length>1) usesHFilter=1;
- if (srcFilter->chrV && srcFilter->chrV->length>1) usesVFilter=1;
- if (srcFilter->chrH && srcFilter->chrH->length>1) usesHFilter=1;
-
- getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
- getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
-
- // reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation
- if ((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
-
- // drop some chroma lines if the user wants it
- c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT;
- c->chrSrcVSubSample+= c->vChrDrop;
-
- // drop every other pixel for chroma calculation unless user wants full chroma
- if ((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP)
- && srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8
- && srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4
- && srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE
- && ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&(SWS_FAST_BILINEAR|SWS_POINT))))
- c->chrSrcHSubSample=1;
-
- if (param) {
- c->param[0] = param[0];
- c->param[1] = param[1];
- } else {
- c->param[0] =
- c->param[1] = SWS_PARAM_DEFAULT;
- }
-
- // Note the -((-x)>>y) is so that we always round toward +inf.
- c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
- c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
- c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
- c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
-
- sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], srcRange, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16);
-
- /* unscaled special cases */
- if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat))) {
- /* yv12_to_nv12 */
- if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) {
- c->swScale= PlanarToNV12Wrapper;
- }
- /* yuv2bgr */
- if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && (isBGR(dstFormat) || isRGB(dstFormat))
- && !(flags & SWS_ACCURATE_RND) && !(dstH&1)) {
- c->swScale= ff_yuv2rgb_get_func_ptr(c);
- }
-
- if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) {
- c->swScale= yvu9toyv12Wrapper;
- }
-
- /* bgr24toYV12 */
- if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND))
- c->swScale= bgr24toyv12Wrapper;
-
- /* RGB/BGR -> RGB/BGR (no dither needed forms) */
- if ( (isBGR(srcFormat) || isRGB(srcFormat))
- && (isBGR(dstFormat) || isRGB(dstFormat))
- && srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8
- && srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8
- && srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4
- && srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4
- && srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE
- && srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE
- && srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK
- && srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE
- && dstFormat != PIX_FMT_RGB32_1
- && dstFormat != PIX_FMT_BGR32_1
- && srcFormat != PIX_FMT_RGB48LE && dstFormat != PIX_FMT_RGB48LE
- && srcFormat != PIX_FMT_RGB48BE && dstFormat != PIX_FMT_RGB48BE
- && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
- c->swScale= rgb2rgbWrapper;
-
- if ((usePal(srcFormat) && (
- dstFormat == PIX_FMT_RGB32 ||
- dstFormat == PIX_FMT_RGB32_1 ||
- dstFormat == PIX_FMT_RGB24 ||
- dstFormat == PIX_FMT_BGR32 ||
- dstFormat == PIX_FMT_BGR32_1 ||
- dstFormat == PIX_FMT_BGR24)))
- c->swScale= pal2rgbWrapper;
-
- if (srcFormat == PIX_FMT_YUV422P) {
+ return flags;
+}
+
+void ff_get_unscaled_swscale(SwsContext *c)
+{
+ const enum PixelFormat srcFormat = c->srcFormat;
+ const enum PixelFormat dstFormat = c->dstFormat;
+ const int flags = c->flags;
+ const int dstH = c->dstH;
+ int needsDither;
+
+ needsDither= isAnyRGB(dstFormat)
+ && c->dstFormatBpp < 24
+ && (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
+
+ /* yv12_to_nv12 */
+ if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) {
+ c->swScale= planarToNv12Wrapper;
+ }
+ /* yuv2bgr */
+ if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && isAnyRGB(dstFormat)
+ && !(flags & SWS_ACCURATE_RND) && !(dstH&1)) {
+ c->swScale= ff_yuv2rgb_get_func_ptr(c);
+ }
+
+ if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) {
+ c->swScale= yvu9ToYv12Wrapper;
+ }
+
+ /* bgr24toYV12 */
+ if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND))
+ c->swScale= bgr24ToYv12Wrapper;
+
+ /* RGB/BGR -> RGB/BGR (no dither needed forms) */
+ if ( isAnyRGB(srcFormat)
+ && isAnyRGB(dstFormat)
+ && srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8
+ && srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8
+ && srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4
+ && srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4
+ && srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE
+ && srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE
+ && srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK
+ && srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE
+ && srcFormat != PIX_FMT_RGB48LE && dstFormat != PIX_FMT_RGB48LE
+ && srcFormat != PIX_FMT_RGB48BE && dstFormat != PIX_FMT_RGB48BE
+ && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
+ c->swScale= rgbToRgbWrapper;
+
+ if ((usePal(srcFormat) && (
+ dstFormat == PIX_FMT_RGB32 ||
+ dstFormat == PIX_FMT_RGB32_1 ||
+ dstFormat == PIX_FMT_RGB24 ||
+ dstFormat == PIX_FMT_BGR32 ||
+ dstFormat == PIX_FMT_BGR32_1 ||
+ dstFormat == PIX_FMT_BGR24)))
+ c->swScale= palToRgbWrapper;
+
+ if (srcFormat == PIX_FMT_YUV422P) {
+ if (dstFormat == PIX_FMT_YUYV422)
+ c->swScale= yuv422pToYuy2Wrapper;
+ else if (dstFormat == PIX_FMT_UYVY422)
+ c->swScale= yuv422pToUyvyWrapper;
+ }
+
+ /* LQ converters if -sws 0 or -sws 4*/
+ if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
+ /* yv12_to_yuy2 */
+ if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) {
if (dstFormat == PIX_FMT_YUYV422)
- c->swScale= YUV422PToYuy2Wrapper;
+ c->swScale= planarToYuy2Wrapper;
else if (dstFormat == PIX_FMT_UYVY422)
- c->swScale= YUV422PToUyvyWrapper;
- }
-
- /* LQ converters if -sws 0 or -sws 4*/
- if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
- /* yv12_to_yuy2 */
- if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) {
- if (dstFormat == PIX_FMT_YUYV422)
- c->swScale= PlanarToYuy2Wrapper;
- else if (dstFormat == PIX_FMT_UYVY422)
- c->swScale= PlanarToUyvyWrapper;
- }
- }
- if(srcFormat == PIX_FMT_YUYV422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
- c->swScale= YUYV2YUV420Wrapper;
- if(srcFormat == PIX_FMT_UYVY422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
- c->swScale= UYVY2YUV420Wrapper;
- if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P)
- c->swScale= YUYV2YUV422Wrapper;
- if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P)
- c->swScale= UYVY2YUV422Wrapper;
-
-#ifdef COMPILE_ALTIVEC
- if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
- !(c->flags & SWS_BITEXACT) &&
- srcFormat == PIX_FMT_YUV420P) {
- // unscaled YV12 -> packed YUV, we want speed
- if (dstFormat == PIX_FMT_YUYV422)
- c->swScale= yv12toyuy2_unscaled_altivec;
- else if (dstFormat == PIX_FMT_UYVY422)
- c->swScale= yv12touyvy_unscaled_altivec;
+ c->swScale= planarToUyvyWrapper;
}
-#endif
-
- /* simple copy */
- if ( srcFormat == dstFormat
- || (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P)
- || (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P)
- || (isPlanarYUV(srcFormat) && isGray(dstFormat))
- || (isPlanarYUV(dstFormat) && isGray(srcFormat))
- || (isGray(dstFormat) && isGray(srcFormat))
- || (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat)
- && c->chrDstHSubSample == c->chrSrcHSubSample
- && c->chrDstVSubSample == c->chrSrcVSubSample
- && dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21
- && srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21))
- {
- if (isPacked(c->srcFormat))
- c->swScale= packedCopy;
- else /* Planar YUV or gray */
- c->swScale= planarCopy;
- }
-#if ARCH_BFIN
- if (flags & SWS_CPU_CAPS_BFIN)
- ff_bfin_get_unscaled_swscale (c);
-#endif
-
- if (c->swScale) {
- if (flags&SWS_PRINT_INFO)
- av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
- return c;
- }
- }
-
- if (flags & SWS_CPU_CAPS_MMX2) {
- c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
- if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) {
- if (flags&SWS_PRINT_INFO)
- av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n");
- }
- if (usesHFilter) c->canMMX2BeUsed=0;
}
- else
- c->canMMX2BeUsed=0;
-
- c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW;
- c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH;
-
- // match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
- // but only for the FAST_BILINEAR mode otherwise do correct scaling
- // n-2 is the last chrominance sample available
- // this is not perfect, but no one should notice the difference, the more correct variant
- // would be like the vertical one, but that would require some special code for the
- // first and last pixel
- if (flags&SWS_FAST_BILINEAR) {
- if (c->canMMX2BeUsed) {
- c->lumXInc+= 20;
- c->chrXInc+= 20;
- }
- //we don't use the x86 asm scaler if MMX is available
- else if (flags & SWS_CPU_CAPS_MMX) {
- c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
- c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20;
- }
+ if(srcFormat == PIX_FMT_YUYV422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
+ c->swScale= yuyvToYuv420Wrapper;
+ if(srcFormat == PIX_FMT_UYVY422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P))
+ c->swScale= uyvyToYuv420Wrapper;
+ if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P)
+ c->swScale= yuyvToYuv422Wrapper;
+ if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P)
+ c->swScale= uyvyToYuv422Wrapper;
+
+#if COMPILE_ALTIVEC
+ if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
+ !(c->flags & SWS_BITEXACT) &&
+ srcFormat == PIX_FMT_YUV420P) {
+ // unscaled YV12 -> packed YUV, we want speed
+ if (dstFormat == PIX_FMT_YUYV422)
+ c->swScale= yv12toyuy2_unscaled_altivec;
+ else if (dstFormat == PIX_FMT_UYVY422)
+ c->swScale= yv12touyvy_unscaled_altivec;
}
-
- /* precalculate horizontal scaler filter coefficients */
- {
- const int filterAlign=
- (flags & SWS_CPU_CAPS_MMX) ? 4 :
- (flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
- 1;
-
- if (initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc,
- srcW , dstW, filterAlign, 1<<14,
- (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
- srcFilter->lumH, dstFilter->lumH, c->param) < 0)
- goto fail;
- if (initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
- c->chrSrcW, c->chrDstW, filterAlign, 1<<14,
- (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
- srcFilter->chrH, dstFilter->chrH, c->param) < 0)
- goto fail;
-
-#if defined(COMPILE_MMX2)
-// can't downscale !!!
- if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) {
- c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8);
- c->chrMmx2FilterCodeSize = initMMX2HScaler(c->chrDstW, c->chrXInc, NULL, NULL, NULL, 4);
-
-#ifdef MAP_ANONYMOUS
- c->lumMmx2FilterCode = mmap(NULL, c->lumMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
- c->chrMmx2FilterCode = mmap(NULL, c->chrMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
-#elif HAVE_VIRTUALALLOC
- c->lumMmx2FilterCode = VirtualAlloc(NULL, c->lumMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
- c->chrMmx2FilterCode = VirtualAlloc(NULL, c->chrMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
-#else
- c->lumMmx2FilterCode = av_malloc(c->lumMmx2FilterCodeSize);
- c->chrMmx2FilterCode = av_malloc(c->chrMmx2FilterCodeSize);
#endif
- FF_ALLOCZ_OR_GOTO(c, c->lumMmx2Filter , (dstW /8+8)*sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(c, c->chrMmx2Filter , (c->chrDstW /4+8)*sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(c, c->lumMmx2FilterPos, (dstW /2/8+8)*sizeof(int32_t), fail);
- FF_ALLOCZ_OR_GOTO(c, c->chrMmx2FilterPos, (c->chrDstW/2/4+8)*sizeof(int32_t), fail);
-
- initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->lumMmx2Filter, c->lumMmx2FilterPos, 8);
- initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4);
-
-#ifdef MAP_ANONYMOUS
- mprotect(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
- mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
-#endif
- }
-#endif /* defined(COMPILE_MMX2) */
- } // initialize horizontal stuff
-
-
-
- /* precalculate vertical scaler filter coefficients */
+ /* simple copy */
+ if ( srcFormat == dstFormat
+ || (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P)
+ || (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P)
+ || (isPlanarYUV(srcFormat) && isGray(dstFormat))
+ || (isPlanarYUV(dstFormat) && isGray(srcFormat))
+ || (isGray(dstFormat) && isGray(srcFormat))
+ || (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat)
+ && c->chrDstHSubSample == c->chrSrcHSubSample
+ && c->chrDstVSubSample == c->chrSrcVSubSample
+ && dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21
+ && srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21))
{
- const int filterAlign=
- (flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 :
- (flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
- 1;
-
- if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
- srcH , dstH, filterAlign, (1<<12),
- (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
- srcFilter->lumV, dstFilter->lumV, c->param) < 0)
- goto fail;
- if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
- c->chrSrcH, c->chrDstH, filterAlign, (1<<12),
- (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
- srcFilter->chrV, dstFilter->chrV, c->param) < 0)
- goto fail;
-
-#ifdef COMPILE_ALTIVEC
- FF_ALLOC_OR_GOTO(c, c->vYCoeffsBank, sizeof (vector signed short)*c->vLumFilterSize*c->dstH, fail);
- FF_ALLOC_OR_GOTO(c, c->vCCoeffsBank, sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH, fail);
-
- for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
- int j;
- short *p = (short *)&c->vYCoeffsBank[i];
- for (j=0;j<8;j++)
- p[j] = c->vLumFilter[i];
- }
-
- for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) {
- int j;
- short *p = (short *)&c->vCCoeffsBank[i];
- for (j=0;j<8;j++)
- p[j] = c->vChrFilter[i];
- }
-#endif
- }
-
- // calculate buffer sizes so that they won't run out while handling these damn slices
- c->vLumBufSize= c->vLumFilterSize;
- c->vChrBufSize= c->vChrFilterSize;
- for (i=0; i<dstH; i++) {
- int chrI= i*c->chrDstH / dstH;
- int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
- ((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
-
- nextSlice>>= c->chrSrcVSubSample;
- nextSlice<<= c->chrSrcVSubSample;
- if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
- c->vLumBufSize= nextSlice - c->vLumFilterPos[i];
- if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
- c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI];
+ if (isPacked(c->srcFormat))
+ c->swScale= packedCopyWrapper;
+ else /* Planar YUV or gray */
+ c->swScale= planarCopyWrapper;
}
-
- // allocate pixbufs (we use dynamic allocation because otherwise we would need to
- // allocate several megabytes to handle all possible cases)
- FF_ALLOC_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail);
- FF_ALLOC_OR_GOTO(c, c->chrPixBuf, c->vChrBufSize*2*sizeof(int16_t*), fail);
- if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat))
- FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail);
- //Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000)
- /* align at 16 bytes for AltiVec */
- for (i=0; i<c->vLumBufSize; i++) {
- FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], VOF+1, fail);
- c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize];
- }
- for (i=0; i<c->vChrBufSize; i++) {
- FF_ALLOC_OR_GOTO(c, c->chrPixBuf[i+c->vChrBufSize], (VOF+1)*2, fail);
- c->chrPixBuf[i] = c->chrPixBuf[i+c->vChrBufSize];
- }
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
- for (i=0; i<c->vLumBufSize; i++) {
- FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i+c->vLumBufSize], VOF+1, fail);
- c->alpPixBuf[i] = c->alpPixBuf[i+c->vLumBufSize];
- }
-
- //try to avoid drawing green stuff between the right end and the stride end
- for (i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, (VOF+1)*2);
-
- assert(2*VOFW == VOF);
-
- assert(c->chrDstH <= dstH);
-
- if (flags&SWS_PRINT_INFO) {
-#ifdef DITHER1XBPP
- const char *dither= " dithered";
-#else
- const char *dither= "";
-#endif
- if (flags&SWS_FAST_BILINEAR)
- av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, ");
- else if (flags&SWS_BILINEAR)
- av_log(c, AV_LOG_INFO, "BILINEAR scaler, ");
- else if (flags&SWS_BICUBIC)
- av_log(c, AV_LOG_INFO, "BICUBIC scaler, ");
- else if (flags&SWS_X)
- av_log(c, AV_LOG_INFO, "Experimental scaler, ");
- else if (flags&SWS_POINT)
- av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, ");
- else if (flags&SWS_AREA)
- av_log(c, AV_LOG_INFO, "Area Averaging scaler, ");
- else if (flags&SWS_BICUBLIN)
- av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, ");
- else if (flags&SWS_GAUSS)
- av_log(c, AV_LOG_INFO, "Gaussian scaler, ");
- else if (flags&SWS_SINC)
- av_log(c, AV_LOG_INFO, "Sinc scaler, ");
- else if (flags&SWS_LANCZOS)
- av_log(c, AV_LOG_INFO, "Lanczos scaler, ");
- else if (flags&SWS_SPLINE)
- av_log(c, AV_LOG_INFO, "Bicubic spline scaler, ");
- else
- av_log(c, AV_LOG_INFO, "ehh flags invalid?! ");
-
- if (dstFormat==PIX_FMT_BGR555 || dstFormat==PIX_FMT_BGR565)
- av_log(c, AV_LOG_INFO, "from %s to%s %s ",
- sws_format_name(srcFormat), dither, sws_format_name(dstFormat));
- else
- av_log(c, AV_LOG_INFO, "from %s to %s ",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
-
- if (flags & SWS_CPU_CAPS_MMX2)
- av_log(c, AV_LOG_INFO, "using MMX2\n");
- else if (flags & SWS_CPU_CAPS_3DNOW)
- av_log(c, AV_LOG_INFO, "using 3DNOW\n");
- else if (flags & SWS_CPU_CAPS_MMX)
- av_log(c, AV_LOG_INFO, "using MMX\n");
- else if (flags & SWS_CPU_CAPS_ALTIVEC)
- av_log(c, AV_LOG_INFO, "using AltiVec\n");
- else
- av_log(c, AV_LOG_INFO, "using C\n");
- }
-
- if (flags & SWS_PRINT_INFO) {
- if (flags & SWS_CPU_CAPS_MMX) {
- if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
- av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
- else {
- if (c->hLumFilterSize==4)
- av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n");
- else if (c->hLumFilterSize==8)
- av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal luminance scaling\n");
- else
- av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal luminance scaling\n");
-
- if (c->hChrFilterSize==4)
- av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal chrominance scaling\n");
- else if (c->hChrFilterSize==8)
- av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal chrominance scaling\n");
- else
- av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n");
- }
- } else {
-#if ARCH_X86
- av_log(c, AV_LOG_VERBOSE, "using x86 asm scaler for horizontal scaling\n");
-#else
- if (flags & SWS_FAST_BILINEAR)
- av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR C scaler for horizontal scaling\n");
- else
- av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n");
+#if ARCH_BFIN
+ if (flags & SWS_CPU_CAPS_BFIN)
+ ff_bfin_get_unscaled_swscale (c);
#endif
- }
- if (isPlanarYUV(dstFormat)) {
- if (c->vLumFilterSize==1)
- av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- else
- av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- } else {
- if (c->vLumFilterSize==1 && c->vChrFilterSize==2)
- av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
- " 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- else if (c->vLumFilterSize==2 && c->vChrFilterSize==2)
- av_log(c, AV_LOG_VERBOSE, "using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- else
- av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- }
-
- if (dstFormat==PIX_FMT_BGR24)
- av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR24 converter\n",
- (flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"));
- else if (dstFormat==PIX_FMT_RGB32)
- av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR32 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- else if (dstFormat==PIX_FMT_BGR565)
- av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR16 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- else if (dstFormat==PIX_FMT_BGR555)
- av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR15 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
-
- av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
- }
- if (flags & SWS_PRINT_INFO) {
- av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
- c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc);
- av_log(c, AV_LOG_DEBUG, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
- c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc);
- }
-
- c->swScale= getSwsFunc(c);
- return c;
-
-fail:
- sws_freeContext(c);
- return NULL;
}
static void reset_ptr(const uint8_t* src[], int format)
src[3]=NULL;
if(!isPlanarYUV(format)) {
src[3]=src[2]=NULL;
- if( format != PIX_FMT_PAL8
- && format != PIX_FMT_RGB8
- && format != PIX_FMT_BGR8
- && format != PIX_FMT_RGB4_BYTE
- && format != PIX_FMT_BGR4_BYTE
- )
+
+ if (!usePal(format))
src[1]= NULL;
}
}
+static int check_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt,
+ const int linesizes[4])
+{
+ const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ int plane = desc->comp[i].plane;
+ if (!data[plane] || !linesizes[plane])
+ return 0;
+ }
+
+ return 1;
+}
+
/**
* swscale wrapper, so we don't need to export the SwsContext.
* Assumes planar YUV to be in YUV order instead of YVU.
*/
-int sws_scale(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[])
+int sws_scale(SwsContext *c, const uint8_t* const src[], const int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* const dst[], const int dstStride[])
{
int i;
const uint8_t* src2[4]= {src[0], src[1], src[2], src[3]};
if (srcSliceH == 0)
return 0;
+ if (!check_image_pointers(src, c->srcFormat, srcStride)) {
+ av_log(c, AV_LOG_ERROR, "bad src image pointers\n");
+ return 0;
+ }
+ if (!check_image_pointers(dst, c->dstFormat, dstStride)) {
+ av_log(c, AV_LOG_ERROR, "bad dst image pointers\n");
+ return 0;
+ }
+
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
return 0;
for (i=0; i<256; i++) {
int p, r, g, b,y,u,v;
if(c->srcFormat == PIX_FMT_PAL8) {
- p=((uint32_t*)(src[1]))[i];
+ p=((const uint32_t*)(src[1]))[i];
r= (p>>16)&0xFF;
g= (p>> 8)&0xFF;
b= p &0xFF;
r= (i>>3 )*255;
g= ((i>>1)&3)*85;
b= (i&1 )*255;
+ } else if(c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_Y400A) {
+ r = g = b = i;
} else {
assert(c->srcFormat == PIX_FMT_BGR4_BYTE);
b= (i>>3 )*255;
v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
c->pal_yuv[i]= y + (u<<8) + (v<<16);
-
switch(c->dstFormat) {
case PIX_FMT_BGR32:
#if !HAVE_BIGENDIAN
}
#if LIBSWSCALE_VERSION_MAJOR < 1
-int sws_scale_ordered(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+int sws_scale_ordered(SwsContext *c, const uint8_t* const src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
}
#endif
-SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
- float lumaSharpen, float chromaSharpen,
- float chromaHShift, float chromaVShift,
- int verbose)
+/* Convert the palette to the same packed 32-bit format as the palette */
+void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
{
- SwsFilter *filter= av_malloc(sizeof(SwsFilter));
- if (!filter)
- return NULL;
-
- if (lumaGBlur!=0.0) {
- filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0);
- filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0);
- } else {
- filter->lumH= sws_getIdentityVec();
- filter->lumV= sws_getIdentityVec();
- }
-
- if (chromaGBlur!=0.0) {
- filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0);
- filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0);
- } else {
- filter->chrH= sws_getIdentityVec();
- filter->chrV= sws_getIdentityVec();
- }
-
- if (chromaSharpen!=0.0) {
- SwsVector *id= sws_getIdentityVec();
- sws_scaleVec(filter->chrH, -chromaSharpen);
- sws_scaleVec(filter->chrV, -chromaSharpen);
- sws_addVec(filter->chrH, id);
- sws_addVec(filter->chrV, id);
- sws_freeVec(id);
- }
-
- if (lumaSharpen!=0.0) {
- SwsVector *id= sws_getIdentityVec();
- sws_scaleVec(filter->lumH, -lumaSharpen);
- sws_scaleVec(filter->lumV, -lumaSharpen);
- sws_addVec(filter->lumH, id);
- sws_addVec(filter->lumV, id);
- sws_freeVec(id);
- }
-
- if (chromaHShift != 0.0)
- sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5));
+ long i;
- if (chromaVShift != 0.0)
- sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5));
-
- sws_normalizeVec(filter->chrH, 1.0);
- sws_normalizeVec(filter->chrV, 1.0);
- sws_normalizeVec(filter->lumH, 1.0);
- sws_normalizeVec(filter->lumV, 1.0);
-
- if (verbose) sws_printVec2(filter->chrH, NULL, AV_LOG_DEBUG);
- if (verbose) sws_printVec2(filter->lumH, NULL, AV_LOG_DEBUG);
-
- return filter;
-}
-
-SwsVector *sws_allocVec(int length)
-{
- SwsVector *vec = av_malloc(sizeof(SwsVector));
- if (!vec)
- return NULL;
- vec->length = length;
- vec->coeff = av_malloc(sizeof(double) * length);
- if (!vec->coeff)
- av_freep(&vec);
- return vec;
-}
-
-SwsVector *sws_getGaussianVec(double variance, double quality)
-{
- const int length= (int)(variance*quality + 0.5) | 1;
- int i;
- double middle= (length-1)*0.5;
- SwsVector *vec= sws_allocVec(length);
-
- if (!vec)
- return NULL;
-
- for (i=0; i<length; i++) {
- double dist= i-middle;
- vec->coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI);
- }
-
- sws_normalizeVec(vec, 1.0);
-
- return vec;
-}
-
-SwsVector *sws_getConstVec(double c, int length)
-{
- int i;
- SwsVector *vec= sws_allocVec(length);
-
- if (!vec)
- return NULL;
-
- for (i=0; i<length; i++)
- vec->coeff[i]= c;
-
- return vec;
-}
-
-
-SwsVector *sws_getIdentityVec(void)
-{
- return sws_getConstVec(1.0, 1);
-}
-
-double sws_dcVec(SwsVector *a)
-{
- int i;
- double sum=0;
-
- for (i=0; i<a->length; i++)
- sum+= a->coeff[i];
-
- return sum;
-}
-
-void sws_scaleVec(SwsVector *a, double scalar)
-{
- int i;
-
- for (i=0; i<a->length; i++)
- a->coeff[i]*= scalar;
+ for (i=0; i<num_pixels; i++)
+ ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
}
-void sws_normalizeVec(SwsVector *a, double height)
+/* Palette format: ABCD -> dst format: ABC */
+void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
{
- sws_scaleVec(a, height/sws_dcVec(a));
-}
-
-static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b)
-{
- int length= a->length + b->length - 1;
- int i, j;
- SwsVector *vec= sws_getConstVec(0.0, length);
-
- if (!vec)
- return NULL;
+ long i;
- for (i=0; i<a->length; i++) {
- for (j=0; j<b->length; j++) {
- vec->coeff[i+j]+= a->coeff[i]*b->coeff[j];
- }
+ for (i=0; i<num_pixels; i++) {
+ //FIXME slow?
+ dst[0]= palette[src[i]*4+0];
+ dst[1]= palette[src[i]*4+1];
+ dst[2]= palette[src[i]*4+2];
+ dst+= 3;
}
-
- return vec;
-}
-
-static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b)
-{
- int length= FFMAX(a->length, b->length);
- int i;
- SwsVector *vec= sws_getConstVec(0.0, length);
-
- if (!vec)
- return NULL;
-
- for (i=0; i<a->length; i++) vec->coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
- for (i=0; i<b->length; i++) vec->coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i];
-
- return vec;
-}
-
-static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b)
-{
- int length= FFMAX(a->length, b->length);
- int i;
- SwsVector *vec= sws_getConstVec(0.0, length);
-
- if (!vec)
- return NULL;
-
- for (i=0; i<a->length; i++) vec->coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
- for (i=0; i<b->length; i++) vec->coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i];
-
- return vec;
-}
-
-/* shift left / or right if "shift" is negative */
-static SwsVector *sws_getShiftedVec(SwsVector *a, int shift)
-{
- int length= a->length + FFABS(shift)*2;
- int i;
- SwsVector *vec= sws_getConstVec(0.0, length);
-
- if (!vec)
- return NULL;
-
- for (i=0; i<a->length; i++) {
- vec->coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i];
- }
-
- return vec;
}
-
-void sws_shiftVec(SwsVector *a, int shift)
-{
- SwsVector *shifted= sws_getShiftedVec(a, shift);
- av_free(a->coeff);
- a->coeff= shifted->coeff;
- a->length= shifted->length;
- av_free(shifted);
-}
-
-void sws_addVec(SwsVector *a, SwsVector *b)
-{
- SwsVector *sum= sws_sumVec(a, b);
- av_free(a->coeff);
- a->coeff= sum->coeff;
- a->length= sum->length;
- av_free(sum);
-}
-
-void sws_subVec(SwsVector *a, SwsVector *b)
-{
- SwsVector *diff= sws_diffVec(a, b);
- av_free(a->coeff);
- a->coeff= diff->coeff;
- a->length= diff->length;
- av_free(diff);
-}
-
-void sws_convVec(SwsVector *a, SwsVector *b)
-{
- SwsVector *conv= sws_getConvVec(a, b);
- av_free(a->coeff);
- a->coeff= conv->coeff;
- a->length= conv->length;
- av_free(conv);
-}
-
-SwsVector *sws_cloneVec(SwsVector *a)
-{
- int i;
- SwsVector *vec= sws_allocVec(a->length);
-
- if (!vec)
- return NULL;
-
- for (i=0; i<a->length; i++) vec->coeff[i]= a->coeff[i];
-
- return vec;
-}
-
-void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level)
-{
- int i;
- double max=0;
- double min=0;
- double range;
-
- for (i=0; i<a->length; i++)
- if (a->coeff[i]>max) max= a->coeff[i];
-
- for (i=0; i<a->length; i++)
- if (a->coeff[i]<min) min= a->coeff[i];
-
- range= max - min;
-
- for (i=0; i<a->length; i++) {
- int x= (int)((a->coeff[i]-min)*60.0/range +0.5);
- av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]);
- for (;x>0; x--) av_log(log_ctx, log_level, " ");
- av_log(log_ctx, log_level, "|\n");
- }
-}
-
-#if LIBSWSCALE_VERSION_MAJOR < 1
-void sws_printVec(SwsVector *a)
-{
- sws_printVec2(a, NULL, AV_LOG_DEBUG);
-}
-#endif
-
-void sws_freeVec(SwsVector *a)
-{
- if (!a) return;
- av_freep(&a->coeff);
- a->length=0;
- av_free(a);
-}
-
-void sws_freeFilter(SwsFilter *filter)
-{
- if (!filter) return;
-
- if (filter->lumH) sws_freeVec(filter->lumH);
- if (filter->lumV) sws_freeVec(filter->lumV);
- if (filter->chrH) sws_freeVec(filter->chrH);
- if (filter->chrV) sws_freeVec(filter->chrV);
- av_free(filter);
-}
-
-
-void sws_freeContext(SwsContext *c)
-{
- int i;
- if (!c) return;
-
- if (c->lumPixBuf) {
- for (i=0; i<c->vLumBufSize; i++)
- av_freep(&c->lumPixBuf[i]);
- av_freep(&c->lumPixBuf);
- }
-
- if (c->chrPixBuf) {
- for (i=0; i<c->vChrBufSize; i++)
- av_freep(&c->chrPixBuf[i]);
- av_freep(&c->chrPixBuf);
- }
-
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
- for (i=0; i<c->vLumBufSize; i++)
- av_freep(&c->alpPixBuf[i]);
- av_freep(&c->alpPixBuf);
- }
-
- av_freep(&c->vLumFilter);
- av_freep(&c->vChrFilter);
- av_freep(&c->hLumFilter);
- av_freep(&c->hChrFilter);
-#ifdef COMPILE_ALTIVEC
- av_freep(&c->vYCoeffsBank);
- av_freep(&c->vCCoeffsBank);
-#endif
-
- av_freep(&c->vLumFilterPos);
- av_freep(&c->vChrFilterPos);
- av_freep(&c->hLumFilterPos);
- av_freep(&c->hChrFilterPos);
-
-#if ARCH_X86 && CONFIG_GPL
-#ifdef MAP_ANONYMOUS
- if (c->lumMmx2FilterCode) munmap(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize);
- if (c->chrMmx2FilterCode) munmap(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize);
-#elif HAVE_VIRTUALALLOC
- if (c->lumMmx2FilterCode) VirtualFree(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, MEM_RELEASE);
- if (c->chrMmx2FilterCode) VirtualFree(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, MEM_RELEASE);
-#else
- av_free(c->lumMmx2FilterCode);
- av_free(c->chrMmx2FilterCode);
-#endif
- c->lumMmx2FilterCode=NULL;
- c->chrMmx2FilterCode=NULL;
-#endif /* ARCH_X86 && CONFIG_GPL */
-
- av_freep(&c->lumMmx2Filter);
- av_freep(&c->chrMmx2Filter);
- av_freep(&c->lumMmx2FilterPos);
- av_freep(&c->chrMmx2FilterPos);
- av_freep(&c->yuvTable);
-
- av_free(c);
-}
-
-struct SwsContext *sws_getCachedContext(struct SwsContext *context,
- int srcW, int srcH, enum PixelFormat srcFormat,
- int dstW, int dstH, enum PixelFormat dstFormat, int flags,
- SwsFilter *srcFilter, SwsFilter *dstFilter, const double *param)
-{
- static const double default_param[2] = {SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT};
-
- if (!param)
- param = default_param;
-
- if (context) {
- if (context->srcW != srcW || context->srcH != srcH ||
- context->srcFormat != srcFormat ||
- context->dstW != dstW || context->dstH != dstH ||
- context->dstFormat != dstFormat || context->flags != flags ||
- context->param[0] != param[0] || context->param[1] != param[1])
- {
- sws_freeContext(context);
- context = NULL;
- }
- }
- if (!context) {
- return sws_getContext(srcW, srcH, srcFormat,
- dstW, dstH, dstFormat, flags,
- srcFilter, dstFilter, param);
- }
- return context;
-}
-
projects / ffmpeg / blobdiff