* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/*
- supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR32_1, BGR24, BGR16, BGR15, RGB32, RGB32_1, RGB24, Y8/Y800, YVU9/IF09, PAL8
- supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
- {BGR,RGB}{1,4,8,15,16} support dithering
-
- unscaled special converters (YV12=I420=IYUV, Y800=Y8)
- YV12 -> {BGR,RGB}{1,4,8,12,15,16,24,32}
- x -> x
- YUV9 -> YV12
- YUV9/YV12 -> Y800
- Y800 -> YUV9/YV12
- BGR24 -> BGR32 & RGB24 -> RGB32
- BGR32 -> BGR24 & RGB32 -> RGB24
- BGR15 -> BGR16
-*/
-
-/*
-tested special converters (most are tested actually, but I did not write it down ...)
- YV12 -> BGR12/BGR16
- YV12 -> YV12
- BGR15 -> BGR16
- BGR16 -> BGR16
- YVU9 -> YV12
-
-untested special converters
- YV12/I420 -> BGR15/BGR24/BGR32 (it is the yuv2rgb stuff, so it should be OK)
- YV12/I420 -> YV12/I420
- YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format
- BGR24 -> BGR32 & RGB24 -> RGB32
- BGR32 -> BGR24 & RGB32 -> RGB24
- BGR24 -> YV12
-*/
-
+#include <assert.h>
#include <inttypes.h>
-#include <string.h>
#include <math.h>
#include <stdio.h>
-#include "config.h"
-#include <assert.h>
-#include "swscale.h"
-#include "swscale_internal.h"
-#include "rgb2rgb.h"
-#include "libavutil/intreadwrite.h"
-#include "libavutil/x86_cpu.h"
-#include "libavutil/cpu.h"
+#include <string.h>
+
#include "libavutil/avutil.h"
-#include "libavutil/mathematics.h"
#include "libavutil/bswap.h"
+#include "libavutil/cpu.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
+#include "config.h"
+#include "rgb2rgb.h"
+#include "swscale_internal.h"
+#include "swscale.h"
-#undef MOVNTQ
-#undef PAVGB
-
-#define DITHER1XBPP
-
-#define isPacked(x) ( \
- (x)==PIX_FMT_PAL8 \
- || (x)==PIX_FMT_YUYV422 \
- || (x)==PIX_FMT_UYVY422 \
- || (x)==PIX_FMT_Y400A \
- || isAnyRGB(x) \
- )
-
-#define RGB2YUV_SHIFT 15
-#define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5))
-#define BV (-(int)(0.081*224/255*(1<<RGB2YUV_SHIFT)+0.5))
-#define BU ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5))
-#define GY ( (int)(0.587*219/255*(1<<RGB2YUV_SHIFT)+0.5))
-#define GV (-(int)(0.419*224/255*(1<<RGB2YUV_SHIFT)+0.5))
-#define GU (-(int)(0.331*224/255*(1<<RGB2YUV_SHIFT)+0.5))
-#define RY ( (int)(0.299*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))
-
-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}, //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}, //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
-};
-
-/*
-NOTES
-Special versions: fast Y 1:1 scaling (no interpolation in y direction)
-
-TODO
-more intelligent misalignment avoidance for the horizontal scaler
-write special vertical cubic upscale version
-optimize C code (YV12 / minmax)
-add support for packed pixel YUV input & output
-add support for Y8 output
-optimize BGR24 & BGR32
-add BGR4 output support
-write special BGR->BGR scaler
-*/
-
-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]={
-{ 6, 2, 6, 2, 6, 2, 6, 2, },
-{ 0, 4, 0, 4, 0, 4, 0, 4, },
-};
-
-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, },
-{ 0, 24, 6, 30, 1, 25, 7, 31, },
-{ 16, 8, 22, 14, 17, 9, 23, 15, },
-{ 4, 28, 2, 26, 5, 29, 3, 27, },
-{ 20, 12, 18, 10, 21, 13, 19, 11, },
-{ 1, 25, 7, 31, 0, 24, 6, 30, },
-};
-
-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, },
-{ 46, 27, 41, 23, 49, 31, 44, 26, },
-{ 2, 57, 16, 71, 1, 56, 15, 70, },
-{ 39, 21, 52, 34, 38, 19, 51, 33, },
-{ 11, 66, 7, 62, 10, 65, 6, 60, },
-{ 48, 30, 43, 25, 47, 29, 42, 24, },
+DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_128)[8][8] = {
+ { 36, 68, 60, 92, 34, 66, 58, 90, },
+ { 100, 4, 124, 28, 98, 2, 122, 26, },
+ { 52, 84, 44, 76, 50, 82, 42, 74, },
+ { 116, 20, 108, 12, 114, 18, 106, 10, },
+ { 32, 64, 56, 88, 38, 70, 62, 94, },
+ { 96, 0, 120, 24, 102, 6, 126, 30, },
+ { 48, 80, 40, 72, 54, 86, 46, 78, },
+ { 112, 16, 104, 8, 118, 22, 110, 14, },
};
-#if 1
-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, },
-{ 0, 165, 41, 206, 10, 175, 52, 217, },
-{110, 55, 151, 96, 120, 65, 162, 107, },
-{ 28, 193, 14, 179, 38, 203, 24, 189, },
-{138, 83, 124, 69, 148, 93, 134, 79, },
-{ 7, 172, 48, 213, 3, 168, 45, 210, },
-};
-#elif 1
-// tries to correct a gamma of 1.5
-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, },
-{109, 51, 93, 38, 121, 60, 105, 47, },
-{ 1, 152, 23, 210, 0, 147, 20, 205, },
-{ 85, 33, 134, 71, 81, 30, 130, 67, },
-{ 14, 190, 6, 171, 12, 185, 5, 166, },
-{117, 57, 101, 44, 113, 54, 97, 41, },
-};
-#elif 1
-// tries to correct a gamma of 2.0
-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, },
-{ 86, 31, 70, 21, 99, 39, 82, 28, },
-{ 0, 134, 11, 206, 0, 129, 9, 200, },
-{ 62, 17, 114, 48, 58, 16, 109, 45, },
-{ 5, 181, 2, 157, 4, 175, 1, 151, },
-{ 95, 36, 78, 26, 90, 34, 74, 24, },
-};
-#else
-// tries to correct a gamma of 2.5
-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, },
-{ 68, 19, 52, 12, 81, 25, 64, 17, },
-{ 0, 119, 5, 203, 0, 113, 4, 195, },
-{ 45, 9, 96, 33, 42, 8, 91, 30, },
-{ 2, 172, 1, 144, 2, 165, 0, 137, },
-{ 77, 23, 60, 15, 72, 21, 56, 14, },
+DECLARE_ALIGNED(8, static const uint8_t, sws_pb_64)[8] = {
+ 64, 64, 64, 64, 64, 64, 64, 64
};
-#endif
-static av_always_inline void yuv2yuvX16inC_template(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest,
- int dstW, int chrDstW, int big_endian, int output_bits)
+static av_always_inline void fillPlane(uint8_t *plane, int stride, int width,
+ int height, int y, uint8_t val)
{
- //FIXME Optimize (just quickly written not optimized..)
int i;
- int shift = 11 + 16 - output_bits;
-
-#define output_pixel(pos, val) \
- if (big_endian) { \
- if (output_bits == 16) { \
- AV_WB16(pos, av_clip_uint16(val >> shift)); \
- } else { \
- AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
- } \
- } else { \
- if (output_bits == 16) { \
- AV_WL16(pos, av_clip_uint16(val >> shift)); \
- } else { \
- AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
- } \
- }
- for (i = 0; i < dstW; i++) {
- int val = 1 << (26-output_bits);
- int j;
-
- for (j = 0; j < lumFilterSize; j++)
- val += lumSrc[j][i] * lumFilter[j];
-
- output_pixel(&dest[i], val);
- }
-
- if (uDest) {
- for (i = 0; i < chrDstW; i++) {
- int u = 1 << (26-output_bits);
- int v = 1 << (26-output_bits);
- int j;
-
- for (j = 0; j < chrFilterSize; j++) {
- u += chrUSrc[j][i] * chrFilter[j];
- v += chrVSrc[j][i] * chrFilter[j];
- }
-
- output_pixel(&uDest[i], u);
- output_pixel(&vDest[i], v);
- }
- }
-
- if (CONFIG_SWSCALE_ALPHA && aDest) {
- for (i = 0; i < dstW; i++) {
- int val = 1 << (26-output_bits);
- int j;
-
- for (j = 0; j < lumFilterSize; j++)
- val += alpSrc[j][i] * lumFilter[j];
-
- output_pixel(&aDest[i], val);
- }
+ uint8_t *ptr = plane + stride * y;
+ for (i = 0; i < height; i++) {
+ memset(ptr, val, width);
+ ptr += stride;
}
}
-#define yuv2NBPS(bits, BE_LE, is_be) \
-static void yuv2yuvX ## bits ## BE_LE ## _c(const int16_t *lumFilter, \
- const int16_t **lumSrc, int lumFilterSize, \
- const int16_t *chrFilter, const int16_t **chrUSrc, \
- const int16_t **chrVSrc, \
- int chrFilterSize, const int16_t **alpSrc, \
- uint16_t *dest, uint16_t *uDest, uint16_t *vDest, \
- uint16_t *aDest, int dstW, int chrDstW) \
-{ \
- yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize, \
- chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
- alpSrc, \
- dest, uDest, vDest, aDest, \
- dstW, chrDstW, is_be, bits); \
-}
-yuv2NBPS( 9, BE, 1);
-yuv2NBPS( 9, LE, 0);
-yuv2NBPS(10, BE, 1);
-yuv2NBPS(10, LE, 0);
-yuv2NBPS(16, BE, 1);
-yuv2NBPS(16, LE, 0);
-
-static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW,
- enum PixelFormat dstFormat)
+static void fill_plane9or10(uint8_t *plane, int stride, int width,
+ int height, int y, uint8_t val,
+ const int dst_depth, const int big_endian)
{
-#define conv16(bits) \
- if (isBE(dstFormat)) { \
- yuv2yuvX ## bits ## BE_c(lumFilter, lumSrc, lumFilterSize, \
- chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
- alpSrc, \
- dest, uDest, vDest, aDest, \
- dstW, chrDstW); \
- } else { \
- yuv2yuvX ## bits ## LE_c(lumFilter, lumSrc, lumFilterSize, \
- chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
- alpSrc, \
- dest, uDest, vDest, aDest, \
- dstW, chrDstW); \
+ int i, j;
+ uint16_t *dst = (uint16_t *) (plane + stride * y);
+#define FILL8TO9_OR_10(wfunc) \
+ for (i = 0; i < height; i++) { \
+ for (j = 0; j < width; j++) { \
+ wfunc(&dst[j], (val << (dst_depth - 8)) | \
+ (val >> (16 - dst_depth))); \
+ } \
+ dst += stride / 2; \
}
- if (is16BPS(dstFormat)) {
- conv16(16);
- } else if (av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1 == 8) {
- conv16(9);
+ if (big_endian) {
+ FILL8TO9_OR_10(AV_WB16);
} else {
- conv16(10);
+ FILL8TO9_OR_10(AV_WL16);
}
-#undef conv16
}
-static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW)
+
+static void hScale16To19_c(SwsContext *c, int16_t *_dst, int dstW,
+ const uint8_t *_src, const int16_t *filter,
+ const int32_t *filterPos, int filterSize)
{
- //FIXME Optimize (just quickly written not optimized..)
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
int i;
- for (i=0; i<dstW; i++) {
- int val=1<<18;
- int j;
- for (j=0; j<lumFilterSize; j++)
- val += lumSrc[j][i] * lumFilter[j];
+ int32_t *dst = (int32_t *) _dst;
+ const uint16_t *src = (const uint16_t *) _src;
+ int bits = desc->comp[0].depth - 1;
+ int sh = bits - 4;
- dest[i]= av_clip_uint8(val>>19);
- }
-
- if (uDest)
- for (i=0; i<chrDstW; i++) {
- int u=1<<18;
- int v=1<<18;
- int j;
- for (j=0; j<chrFilterSize; j++) {
- u += chrUSrc[j][i] * chrFilter[j];
- v += chrVSrc[j][i] * chrFilter[j];
- }
-
- uDest[i]= av_clip_uint8(u>>19);
- vDest[i]= av_clip_uint8(v>>19);
- }
-
- if (CONFIG_SWSCALE_ALPHA && aDest)
- for (i=0; i<dstW; i++) {
- int val=1<<18;
- int j;
- for (j=0; j<lumFilterSize; j++)
- val += alpSrc[j][i] * lumFilter[j];
+ for (i = 0; i < dstW; i++) {
+ int j;
+ int srcPos = filterPos[i];
+ int val = 0;
- aDest[i]= av_clip_uint8(val>>19);
+ for (j = 0; j < filterSize; j++) {
+ val += src[srcPos + j] * filter[filterSize * i + j];
}
-
+ // filter=14 bit, input=16 bit, output=30 bit, >> 11 makes 19 bit
+ dst[i] = FFMIN(val >> sh, (1 << 19) - 1);
+ }
}
-static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
+static void hScale16To15_c(SwsContext *c, int16_t *dst, int dstW,
+ const uint8_t *_src, const int16_t *filter,
+ const int32_t *filterPos, int filterSize)
{
- //FIXME Optimize (just quickly written not optimized..)
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
int i;
- for (i=0; i<dstW; i++) {
- int val=1<<18;
- int j;
- for (j=0; j<lumFilterSize; j++)
- val += lumSrc[j][i] * lumFilter[j];
-
- dest[i]= av_clip_uint8(val>>19);
- }
-
- if (!uDest)
- return;
-
- if (dstFormat == PIX_FMT_NV12)
- for (i=0; i<chrDstW; i++) {
- int u=1<<18;
- int v=1<<18;
- int j;
- for (j=0; j<chrFilterSize; j++) {
- u += chrUSrc[j][i] * chrFilter[j];
- v += chrVSrc[j][i] * chrFilter[j];
- }
-
- uDest[2*i]= av_clip_uint8(u>>19);
- uDest[2*i+1]= av_clip_uint8(v>>19);
- }
- else
- for (i=0; i<chrDstW; i++) {
- int u=1<<18;
- int v=1<<18;
- int j;
- for (j=0; j<chrFilterSize; j++) {
- u += chrUSrc[j][i] * chrFilter[j];
- v += chrVSrc[j][i] * chrFilter[j];
- }
-
- uDest[2*i]= av_clip_uint8(v>>19);
- uDest[2*i+1]= av_clip_uint8(u>>19);
- }
-}
+ const uint16_t *src = (const uint16_t *) _src;
+ int sh = desc->comp[0].depth - 1;
-#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++) {\
- int j;\
- int Y1 = 1<<18;\
- int Y2 = 1<<18;\
- int U = 1<<18;\
- int V = 1<<18;\
- int av_unused A1, A2;\
- type av_unused *r, *b, *g;\
- const int i2= 2*i;\
- \
- for (j=0; j<lumFilterSize; j++) {\
- Y1 += lumSrc[j][i2] * lumFilter[j];\
- Y2 += lumSrc[j][i2+1] * lumFilter[j];\
- }\
- for (j=0; j<chrFilterSize; j++) {\
- U += chrUSrc[j][i] * chrFilter[j];\
- V += chrVSrc[j][i] * chrFilter[j];\
- }\
- Y1>>=19;\
- Y2>>=19;\
- U >>=19;\
- V >>=19;\
- if (alpha) {\
- A1 = 1<<18;\
- A2 = 1<<18;\
- for (j=0; j<lumFilterSize; j++) {\
- A1 += alpSrc[j][i2 ] * lumFilter[j];\
- A2 += alpSrc[j][i2+1] * lumFilter[j];\
- }\
- A1>>=19;\
- A2>>=19;\
- }
-
-#define YSCALE_YUV_2_PACKEDX_C(type,alpha) \
- YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\
- if ((Y1|Y2|U|V)&256) {\
- if (Y1>255) Y1=255; \
- else if (Y1<0)Y1=0; \
- if (Y2>255) Y2=255; \
- else if (Y2<0)Y2=0; \
- if (U>255) U=255; \
- else if (U<0) U=0; \
- if (V>255) V=255; \
- else if (V<0) V=0; \
- }\
- if (alpha && ((A1|A2)&256)) {\
- A1=av_clip_uint8(A1);\
- A2=av_clip_uint8(A2);\
- }
-
-#define YSCALE_YUV_2_PACKEDX_FULL_C(rnd,alpha) \
- for (i=0; i<dstW; i++) {\
- int j;\
- int Y = 0;\
- int U = -128<<19;\
- int V = -128<<19;\
- int av_unused A;\
- int R,G,B;\
- \
- for (j=0; j<lumFilterSize; j++) {\
- Y += lumSrc[j][i ] * lumFilter[j];\
- }\
- for (j=0; j<chrFilterSize; j++) {\
- U += chrUSrc[j][i] * chrFilter[j];\
- V += chrVSrc[j][i] * chrFilter[j];\
- }\
- Y >>=10;\
- U >>=10;\
- V >>=10;\
- if (alpha) {\
- A = rnd;\
- for (j=0; j<lumFilterSize; j++)\
- A += alpSrc[j][i ] * lumFilter[j];\
- 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)\
- Y-= c->yuv2rgb_y_offset;\
- Y*= c->yuv2rgb_y_coeff;\
- Y+= rnd;\
- R= Y + V*c->yuv2rgb_v2r_coeff;\
- G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\
- B= Y + U*c->yuv2rgb_u2b_coeff;\
- if ((R|G|B)&(0xC0000000)) {\
- if (R>=(256<<22)) R=(256<<22)-1; \
- else if (R<0)R=0; \
- if (G>=(256<<22)) G=(256<<22)-1; \
- 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++) {\
- int j;\
- int Y1 = 1<<18;\
- int Y2 = 1<<18;\
- int U = 1<<18;\
- int V = 1<<18;\
- \
- const int i2= 2*i;\
- \
- for (j=0; j<lumFilterSize; j++) {\
- Y1 += lumSrc[j][i2] * lumFilter[j];\
- Y2 += lumSrc[j][i2+1] * lumFilter[j];\
- }\
- Y1>>=11;\
- Y2>>=11;\
- if ((Y1|Y2|U|V)&65536) {\
- if (Y1>65535) Y1=65535; \
- else if (Y1<0)Y1=0; \
- if (Y2>65535) Y2=65535; \
- else if (Y2<0)Y2=0; \
- }
-
-#define YSCALE_YUV_2_RGBX_C(type,alpha) \
- YSCALE_YUV_2_PACKEDX_C(type,alpha) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\
- r = (type *)c->table_rV[V]; \
- g = (type *)(c->table_gU[U] + c->table_gV[V]); \
- b = (type *)c->table_bU[U];
-
-#define YSCALE_YUV_2_PACKED2_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++) { \
- const int i2= 2*i; \
- int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \
- int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \
- int U= (ubuf0[i]*uvalpha1+ubuf1[i]*uvalpha)>>19; \
- int V= (vbuf0[i]*uvalpha1+vbuf1[i]*uvalpha)>>19; \
- type av_unused *r, *b, *g; \
- int av_unused A1, A2; \
- 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;
-
-#define YSCALE_YUV_2_RGB2_C(type,alpha) \
- YSCALE_YUV_2_PACKED2_C(type,alpha)\
- r = (type *)c->table_rV[V];\
- g = (type *)(c->table_gU[U] + c->table_gV[V]);\
- b = (type *)c->table_bU[U];
-
-#define YSCALE_YUV_2_PACKED1_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++) {\
- const int i2= 2*i;\
- int Y1= buf0[i2 ]>>7;\
- int Y2= buf0[i2+1]>>7;\
- int U= (ubuf1[i])>>7;\
- int V= (vbuf1[i])>>7;\
- type av_unused *r, *b, *g;\
- int av_unused A1, A2;\
- if (alpha) {\
- A1= abuf0[i2 ]>>7;\
- A2= abuf0[i2+1]>>7;\
- }
+ for (i = 0; i < dstW; i++) {
+ int j;
+ int srcPos = filterPos[i];
+ int val = 0;
-#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;
-
-#define YSCALE_YUV_2_RGB1_C(type,alpha) \
- YSCALE_YUV_2_PACKED1_C(type,alpha)\
- r = (type *)c->table_rV[V];\
- g = (type *)(c->table_gU[U] + c->table_gV[V]);\
- b = (type *)c->table_bU[U];
-
-#define YSCALE_YUV_2_PACKED1B_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++) {\
- const int i2= 2*i;\
- int Y1= buf0[i2 ]>>7;\
- int Y2= buf0[i2+1]>>7;\
- int U= (ubuf0[i] + ubuf1[i])>>8;\
- int V= (vbuf0[i] + vbuf1[i])>>8;\
- type av_unused *r, *b, *g;\
- int av_unused A1, A2;\
- if (alpha) {\
- A1= abuf0[i2 ]>>7;\
- A2= abuf0[i2+1]>>7;\
+ for (j = 0; j < filterSize; j++) {
+ val += src[srcPos + j] * filter[filterSize * i + j];
}
-
-#define YSCALE_YUV_2_RGB1B_C(type,alpha) \
- YSCALE_YUV_2_PACKED1B_C(type,alpha)\
- r = (type *)c->table_rV[V];\
- g = (type *)(c->table_gU[U] + c->table_gV[V]);\
- b = (type *)c->table_bU[U];
-
-#define YSCALE_YUV_2_MONO2_C \
- const uint8_t * const d128=dither_8x8_220[y&7];\
- uint8_t *g= c->table_gU[128] + c->table_gV[128];\
- for (i=0; i<dstW-7; i+=8) {\
- int acc;\
- acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\
- acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\
- acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\
- acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\
- acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\
- acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\
- acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\
- 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++;\
+ // filter=14 bit, input=16 bit, output=30 bit, >> 15 makes 15 bit
+ dst[i] = FFMIN(val >> sh, (1 << 15) - 1);
}
-
-#define YSCALE_YUV_2_MONOX_C \
- const uint8_t * const d128=dither_8x8_220[y&7];\
- uint8_t *g= c->table_gU[128] + c->table_gV[128];\
- int acc=0;\
- for (i=0; i<dstW-1; i+=2) {\
- int j;\
- int Y1=1<<18;\
- int Y2=1<<18;\
-\
- for (j=0; j<lumFilterSize; j++) {\
- Y1 += lumSrc[j][i] * lumFilter[j];\
- Y2 += lumSrc[j][i+1] * lumFilter[j];\
- }\
- Y1>>=19;\
- Y2>>=19;\
- if ((Y1|Y2)&256) {\
- if (Y1>255) Y1=255;\
- else if (Y1<0)Y1=0;\
- if (Y2>255) Y2=255;\
- else if (Y2<0)Y2=0;\
- }\
- acc+= acc + g[Y1+d128[(i+0)&7]];\
- acc+= acc + g[Y2+d128[(i+1)&7]];\
- if ((i&7)==6) {\
- ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
- dest++;\
- }\
- }
-
-#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
- switch(c->dstFormat) {\
- case PIX_FMT_RGB48BE:\
- case PIX_FMT_RGB48LE:\
- func(uint8_t,0)\
- ((uint8_t*)dest)[ 0]= r[Y1];\
- ((uint8_t*)dest)[ 1]= r[Y1];\
- ((uint8_t*)dest)[ 2]= g[Y1];\
- ((uint8_t*)dest)[ 3]= g[Y1];\
- ((uint8_t*)dest)[ 4]= b[Y1];\
- ((uint8_t*)dest)[ 5]= b[Y1];\
- ((uint8_t*)dest)[ 6]= r[Y2];\
- ((uint8_t*)dest)[ 7]= r[Y2];\
- ((uint8_t*)dest)[ 8]= g[Y2];\
- ((uint8_t*)dest)[ 9]= g[Y2];\
- ((uint8_t*)dest)[10]= b[Y2];\
- ((uint8_t*)dest)[11]= b[Y2];\
- dest+=12;\
- }\
- break;\
- case PIX_FMT_BGR48BE:\
- case PIX_FMT_BGR48LE:\
- func(uint8_t,0)\
- ((uint8_t*)dest)[ 0] = ((uint8_t*)dest)[ 1] = b[Y1];\
- ((uint8_t*)dest)[ 2] = ((uint8_t*)dest)[ 3] = g[Y1];\
- ((uint8_t*)dest)[ 4] = ((uint8_t*)dest)[ 5] = r[Y1];\
- ((uint8_t*)dest)[ 6] = ((uint8_t*)dest)[ 7] = b[Y2];\
- ((uint8_t*)dest)[ 8] = ((uint8_t*)dest)[ 9] = g[Y2];\
- ((uint8_t*)dest)[10] = ((uint8_t*)dest)[11] = r[Y2];\
- dest+=12;\
- }\
- break;\
- case PIX_FMT_RGBA:\
- case PIX_FMT_BGRA:\
- if (CONFIG_SMALL) {\
- int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
- func(uint32_t,needAlpha)\
- ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\
- ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\
- }\
- } else {\
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
- func(uint32_t,1)\
- ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\
- ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\
- }\
- } else {\
- func(uint32_t,0)\
- ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
- ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
- }\
- }\
- }\
- break;\
- case PIX_FMT_ARGB:\
- case PIX_FMT_ABGR:\
- if (CONFIG_SMALL) {\
- int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
- func(uint32_t,needAlpha)\
- ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\
- ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\
- }\
- } else {\
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
- func(uint32_t,1)\
- ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\
- ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\
- }\
- } else {\
- func(uint32_t,0)\
- ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
- ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
- }\
- }\
- } \
- break;\
- case PIX_FMT_RGB24:\
- func(uint8_t,0)\
- ((uint8_t*)dest)[0]= r[Y1];\
- ((uint8_t*)dest)[1]= g[Y1];\
- ((uint8_t*)dest)[2]= b[Y1];\
- ((uint8_t*)dest)[3]= r[Y2];\
- ((uint8_t*)dest)[4]= g[Y2];\
- ((uint8_t*)dest)[5]= b[Y2];\
- dest+=6;\
- }\
- break;\
- case PIX_FMT_BGR24:\
- func(uint8_t,0)\
- ((uint8_t*)dest)[0]= b[Y1];\
- ((uint8_t*)dest)[1]= g[Y1];\
- ((uint8_t*)dest)[2]= r[Y1];\
- ((uint8_t*)dest)[3]= b[Y2];\
- ((uint8_t*)dest)[4]= g[Y2];\
- ((uint8_t*)dest)[5]= r[Y2];\
- dest+=6;\
- }\
- break;\
- 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];\
- const int db1= dither_2x2_8[(y&1)^1][0];\
- const int dr2= dither_2x2_8[y&1 ][1];\
- const int dg2= dither_2x2_4[y&1 ][1];\
- const int db2= dither_2x2_8[(y&1)^1][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_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];\
- const int db1= dither_2x2_8[(y&1)^1][0];\
- const int dr2= dither_2x2_8[y&1 ][1];\
- const int dg2= dither_2x2_8[y&1 ][0];\
- const int db2= dither_2x2_8[(y&1)^1][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_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:\
- {\
- const uint8_t * const d64= dither_8x8_73[y&7];\
- const uint8_t * const d32= dither_8x8_32[y&7];\
- func(uint8_t,0)\
- ((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\
- ((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\
- }\
- }\
- break;\
- case PIX_FMT_RGB4:\
- case PIX_FMT_BGR4:\
- {\
- const uint8_t * const d64= dither_8x8_73 [y&7];\
- const uint8_t * const d128=dither_8x8_220[y&7];\
- func(uint8_t,0)\
- ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\
- + ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
- }\
- }\
- break;\
- case PIX_FMT_RGB4_BYTE:\
- case PIX_FMT_BGR4_BYTE:\
- {\
- const uint8_t * const d64= dither_8x8_73 [y&7];\
- const uint8_t * const d128=dither_8x8_220[y&7];\
- func(uint8_t,0)\
- ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
- ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
- }\
- }\
- break;\
- case PIX_FMT_MONOBLACK:\
- case PIX_FMT_MONOWHITE:\
- {\
- func_monoblack\
- }\
- break;\
- case PIX_FMT_YUYV422:\
- func2\
- ((uint8_t*)dest)[2*i2+0]= Y1;\
- ((uint8_t*)dest)[2*i2+1]= U;\
- ((uint8_t*)dest)[2*i2+2]= Y2;\
- ((uint8_t*)dest)[2*i2+3]= V;\
- } \
- break;\
- case PIX_FMT_UYVY422:\
- func2\
- ((uint8_t*)dest)[2*i2+0]= U;\
- ((uint8_t*)dest)[2*i2+1]= Y1;\
- ((uint8_t*)dest)[2*i2+2]= V;\
- ((uint8_t*)dest)[2*i2+3]= Y2;\
- } \
- break;\
- case PIX_FMT_GRAY16BE:\
- func_g16\
- ((uint8_t*)dest)[2*i2+0]= Y1>>8;\
- ((uint8_t*)dest)[2*i2+1]= Y1;\
- ((uint8_t*)dest)[2*i2+2]= Y2>>8;\
- ((uint8_t*)dest)[2*i2+3]= Y2;\
- } \
- break;\
- case PIX_FMT_GRAY16LE:\
- func_g16\
- ((uint8_t*)dest)[2*i2+0]= Y1;\
- ((uint8_t*)dest)[2*i2+1]= Y1>>8;\
- ((uint8_t*)dest)[2*i2+2]= Y2;\
- ((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 **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
-{
- int i;
- YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0), YSCALE_YUV_2_GRAY16_C, YSCALE_YUV_2_MONOX_C)
}
-static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter,
- const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
+// bilinear / bicubic scaling
+static void hScale8To15_c(SwsContext *c, int16_t *dst, int dstW,
+ const uint8_t *src, const int16_t *filter,
+ const int32_t *filterPos, int filterSize)
{
int i;
- int step= c->dstFormatBpp/8;
- int aidx= 3;
-
- switch(c->dstFormat) {
- case PIX_FMT_ARGB:
- dest++;
- aidx= 0;
- case PIX_FMT_RGB24:
- aidx--;
- case PIX_FMT_RGBA:
- if (CONFIG_SMALL) {
- int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
- YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
- dest[aidx]= needAlpha ? A : 255;
- dest[0]= R>>22;
- dest[1]= G>>22;
- dest[2]= B>>22;
- dest+= step;
- }
- } else {
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
- YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
- dest[aidx]= A;
- dest[0]= R>>22;
- dest[1]= G>>22;
- dest[2]= B>>22;
- dest+= step;
- }
- } else {
- YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
- dest[aidx]= 255;
- dest[0]= R>>22;
- dest[1]= G>>22;
- dest[2]= B>>22;
- dest+= step;
- }
- }
- }
- break;
- case PIX_FMT_ABGR:
- dest++;
- aidx= 0;
- case PIX_FMT_BGR24:
- aidx--;
- case PIX_FMT_BGRA:
- if (CONFIG_SMALL) {
- int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
- YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
- dest[aidx]= needAlpha ? A : 255;
- dest[0]= B>>22;
- dest[1]= G>>22;
- dest[2]= R>>22;
- dest+= step;
- }
- } else {
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
- YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
- dest[aidx]= A;
- dest[0]= B>>22;
- dest[1]= G>>22;
- dest[2]= R>>22;
- dest+= step;
- }
- } else {
- YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
- dest[aidx]= 255;
- dest[0]= B>>22;
- dest[1]= G>>22;
- dest[2]= R>>22;
- dest+= step;
- }
- }
+ for (i = 0; i < dstW; i++) {
+ int j;
+ int srcPos = filterPos[i];
+ int val = 0;
+ for (j = 0; j < filterSize; j++) {
+ val += ((int)src[srcPos + j]) * filter[filterSize * i + j];
}
- break;
- default:
- assert(0);
+ dst[i] = FFMIN(val >> 7, (1 << 15) - 1); // the cubic equation does overflow ...
}
}
-static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val)
+static void hScale8To19_c(SwsContext *c, int16_t *_dst, int dstW,
+ const uint8_t *src, const int16_t *filter,
+ const int32_t *filterPos, int filterSize)
{
int i;
- uint8_t *ptr = plane + stride*y;
- for (i=0; i<height; i++) {
- memset(ptr, val, width);
- ptr += stride;
+ int32_t *dst = (int32_t *) _dst;
+ for (i = 0; i < dstW; i++) {
+ int j;
+ int srcPos = filterPos[i];
+ int val = 0;
+ for (j = 0; j < filterSize; j++) {
+ val += ((int)src[srcPos + j]) * filter[filterSize * i + j];
+ }
+ dst[i] = FFMIN(val >> 3, (1 << 19) - 1); // the cubic equation does overflow ...
}
}
-static inline void rgb48ToY(uint8_t *dst, const uint8_t *src, int width,
- uint32_t *unused)
+// FIXME all pal and rgb srcFormats could do this conversion as well
+// FIXME all scalers more complex than bilinear could do half of this transform
+static void chrRangeToJpeg_c(int16_t *dstU, int16_t *dstV, int width)
{
int i;
for (i = 0; i < width; i++) {
- int r = src[i*6+0];
- int g = src[i*6+2];
- int b = src[i*6+4];
-
- dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+ dstU[i] = (FFMIN(dstU[i], 30775) * 4663 - 9289992) >> 12; // -264
+ dstV[i] = (FFMIN(dstV[i], 30775) * 4663 - 9289992) >> 12; // -264
}
}
-static inline void rgb48ToUV(uint8_t *dstU, uint8_t *dstV,
- const uint8_t *src1, const uint8_t *src2,
- int width, uint32_t *unused)
+static void chrRangeFromJpeg_c(int16_t *dstU, int16_t *dstV, int width)
{
int i;
- assert(src1==src2);
for (i = 0; i < width; i++) {
- int r = src1[6*i + 0];
- int g = src1[6*i + 2];
- int b = src1[6*i + 4];
-
- dstU[i] = (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
- dstV[i] = (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+ dstU[i] = (dstU[i] * 1799 + 4081085) >> 11; // 1469
+ dstV[i] = (dstV[i] * 1799 + 4081085) >> 11; // 1469
}
}
-static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV,
- const uint8_t *src1, const uint8_t *src2,
- int width, uint32_t *unused)
+static void lumRangeToJpeg_c(int16_t *dst, int width)
{
int i;
- assert(src1==src2);
- for (i = 0; i < width; i++) {
- int r= src1[12*i + 0] + src1[12*i + 6];
- int g= src1[12*i + 2] + src1[12*i + 8];
- int b= src1[12*i + 4] + src1[12*i + 10];
-
- dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
- dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
- }
+ for (i = 0; i < width; i++)
+ dst[i] = (FFMIN(dst[i], 30189) * 19077 - 39057361) >> 14;
}
-static inline void bgr48ToY(uint8_t *dst, const uint8_t *src, int width,
- uint32_t *unused)
+static void lumRangeFromJpeg_c(int16_t *dst, int width)
{
int i;
- for (i = 0; i < width; i++) {
- int b = src[i*6+0];
- int g = src[i*6+2];
- int r = src[i*6+4];
-
- dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
- }
+ for (i = 0; i < width; i++)
+ dst[i] = (dst[i] * 14071 + 33561947) >> 14;
}
-static inline void bgr48ToUV(uint8_t *dstU, uint8_t *dstV,
- const uint8_t *src1, const uint8_t *src2,
- int width, uint32_t *unused)
+static void chrRangeToJpeg16_c(int16_t *_dstU, int16_t *_dstV, int width)
{
int i;
+ int32_t *dstU = (int32_t *) _dstU;
+ int32_t *dstV = (int32_t *) _dstV;
for (i = 0; i < width; i++) {
- int b = src1[6*i + 0];
- int g = src1[6*i + 2];
- int r = src1[6*i + 4];
-
- dstU[i] = (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
- dstV[i] = (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
+ dstU[i] = (FFMIN(dstU[i], 30775 << 4) * 4663 - (9289992 << 4)) >> 12; // -264
+ dstV[i] = (FFMIN(dstV[i], 30775 << 4) * 4663 - (9289992 << 4)) >> 12; // -264
}
}
-static inline void bgr48ToUV_half(uint8_t *dstU, uint8_t *dstV,
- const uint8_t *src1, const uint8_t *src2,
- int width, uint32_t *unused)
+static void chrRangeFromJpeg16_c(int16_t *_dstU, int16_t *_dstV, int width)
{
int i;
+ int32_t *dstU = (int32_t *) _dstU;
+ int32_t *dstV = (int32_t *) _dstV;
for (i = 0; i < width; i++) {
- int b= src1[12*i + 0] + src1[12*i + 6];
- int g= src1[12*i + 2] + src1[12*i + 8];
- int r= src1[12*i + 4] + src1[12*i + 10];
-
- dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
- dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
+ dstU[i] = (dstU[i] * 1799 + (4081085 << 4)) >> 11; // 1469
+ dstV[i] = (dstV[i] * 1799 + (4081085 << 4)) >> 11; // 1469
}
}
-#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
-static inline void name(uint8_t *dst, const uint8_t *src, int width, uint32_t *unused)\
-{\
- int i;\
- for (i=0; i<width; i++) {\
- int b= (((const type*)src)[i]>>shb)&maskb;\
- int g= (((const type*)src)[i]>>shg)&maskg;\
- int r= (((const type*)src)[i]>>shr)&maskr;\
-\
- dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\
- }\
-}
-
-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)
-BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY , GY<<5, BY<<10, RGB2YUV_SHIFT+7)
-
-static inline void abgrToA(uint8_t *dst, const uint8_t *src, int width, uint32_t *unused)
+static void lumRangeToJpeg16_c(int16_t *_dst, int width)
{
int i;
- for (i=0; i<width; i++) {
- dst[i]= src[4*i];
- }
-}
-
-#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, int width, uint32_t *unused)\
-{\
- int i;\
- for (i=0; i<width; i++) {\
- 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);\
- }\
-}\
-static inline void name ## _half(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, int width, uint32_t *unused)\
-{\
- int i;\
- for (i=0; i<width; i++) {\
- 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;\
- g&= maskg|(2*maskg);\
-\
- g>>=shg;\
-\
- dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\
- dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\
- }\
+ int32_t *dst = (int32_t *) _dst;
+ for (i = 0; i < width; i++)
+ dst[i] = (FFMIN(dst[i], 30189 << 4) * 4769 - (39057361 << 2)) >> 12;
}
-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, int width, uint32_t *pal)
+static void lumRangeFromJpeg16_c(int16_t *_dst, int width)
{
int i;
- for (i=0; i<width; i++) {
- int d= src[i];
-
- dst[i]= pal[d] & 0xFF;
- }
+ int32_t *dst = (int32_t *) _dst;
+ for (i = 0; i < width; i++)
+ dst[i] = (dst[i] * 14071 + (33561947 << 4)) >> 14;
}
-static inline void palToUV(uint8_t *dstU, uint8_t *dstV,
- const uint8_t *src1, const uint8_t *src2,
- int width, uint32_t *pal)
+static void hyscale_fast_c(SwsContext *c, int16_t *dst, int dstWidth,
+ const uint8_t *src, int srcW, int xInc)
{
int i;
- assert(src1 == src2);
- for (i=0; i<width; i++) {
- int p= pal[src1[i]];
-
- dstU[i]= p>>8;
- dstV[i]= p>>16;
+ unsigned int xpos = 0;
+ for (i = 0; i < dstWidth; i++) {
+ register unsigned int xx = xpos >> 16;
+ register unsigned int xalpha = (xpos & 0xFFFF) >> 9;
+ dst[i] = (src[xx] << 7) + (src[xx + 1] - src[xx]) * xalpha;
+ xpos += xInc;
}
}
-static inline void monowhite2Y(uint8_t *dst, const uint8_t *src, int width, uint32_t *unused)
+// *** horizontal scale Y line to temp buffer
+static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth,
+ const uint8_t *src_in[4],
+ int srcW, int xInc,
+ const int16_t *hLumFilter,
+ const int32_t *hLumFilterPos,
+ int hLumFilterSize,
+ uint8_t *formatConvBuffer,
+ uint32_t *pal, int isAlpha)
{
- int i, j;
- for (i=0; i<width/8; i++) {
- int d= ~src[i];
- for(j=0; j<8; j++)
- dst[8*i+j]= ((d>>(7-j))&1)*255;
- }
-}
+ void (*toYV12)(uint8_t *, const uint8_t *, int, uint32_t *) =
+ isAlpha ? c->alpToYV12 : c->lumToYV12;
+ void (*convertRange)(int16_t *, int) = isAlpha ? NULL : c->lumConvertRange;
+ const uint8_t *src = src_in[isAlpha ? 3 : 0];
-static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, int width, uint32_t *unused)
-{
- int i, j;
- for (i=0; i<width/8; i++) {
- int d= src[i];
- for(j=0; j<8; j++)
- dst[8*i+j]= ((d>>(7-j))&1)*255;
+ if (toYV12) {
+ toYV12(formatConvBuffer, src, srcW, pal);
+ src = formatConvBuffer;
+ } else if (c->readLumPlanar && !isAlpha) {
+ c->readLumPlanar(formatConvBuffer, src_in, srcW);
+ src = formatConvBuffer;
+ } else if (c->readAlpPlanar && isAlpha) {
+ c->readAlpPlanar(formatConvBuffer, src_in, srcW);
+ src = formatConvBuffer;
}
-}
-
-//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one
-//Plain C versions
-
-#define COMPILE_TEMPLATE_MMX2 0
-#define COMPILE_TEMPLATE_ALTIVEC 0
-
-#include "swscale_template.c"
-
-#if HAVE_ALTIVEC
-#undef RENAME
-#undef COMPILE_TEMPLATE_ALTIVEC
-#define COMPILE_TEMPLATE_ALTIVEC 1
-#define RENAME(a) a ## _altivec
-#include "ppc/swscale_template.c"
-#endif
-
-//MMX versions
-#if HAVE_MMX
-#undef RENAME
-#undef COMPILE_TEMPLATE_MMX2
-#define COMPILE_TEMPLATE_MMX2 0
-#define RENAME(a) a ## _MMX
-#include "x86/swscale_template.c"
-#endif
-
-//MMX2 versions
-#if HAVE_MMX2
-#undef RENAME
-#undef COMPILE_TEMPLATE_MMX2
-#define COMPILE_TEMPLATE_MMX2 1
-#define RENAME(a) a ## _MMX2
-#include "x86/swscale_template.c"
-#endif
-
-SwsFunc ff_getSwsFunc(SwsContext *c)
-{
- int cpu_flags = av_get_cpu_flags();
-
- sws_init_swScale_c(c);
-
-#if HAVE_MMX
- if (cpu_flags & AV_CPU_FLAG_MMX)
- sws_init_swScale_MMX(c);
-#endif
-#if HAVE_MMX2
- if (cpu_flags & AV_CPU_FLAG_MMX2)
- sws_init_swScale_MMX2(c);
-#endif
-#if HAVE_ALTIVEC
- if (cpu_flags & AV_CPU_FLAG_ALTIVEC)
- sws_init_swScale_altivec(c);
-#endif
-
- return swScale_c;
-}
-static void copyPlane(const uint8_t *src, int srcStride,
- int srcSliceY, int srcSliceH, int width,
- uint8_t *dst, int dstStride)
-{
- dst += dstStride * srcSliceY;
- if (dstStride == srcStride && srcStride > 0) {
- memcpy(dst, src, srcSliceH * dstStride);
- } else {
- int i;
- for (i=0; i<srcSliceH; i++) {
- memcpy(dst, src, width);
- src += srcStride;
- dst += dstStride;
- }
+ if (!c->hyscale_fast) {
+ c->hyScale(c, dst, dstWidth, src, hLumFilter,
+ hLumFilterPos, hLumFilterSize);
+ } else { // fast bilinear upscale / crap downscale
+ c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
}
-}
-
-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
- interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]);
-
- return srcSliceH;
-}
-
-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;
-
- yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
-
- return srcSliceH;
-}
-
-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;
-
- yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
-
- return srcSliceH;
-}
-
-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;
-
- yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
-
- return srcSliceH;
-}
-
-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;
-
- yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
-
- return srcSliceH;
-}
-
-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;
- uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2;
- uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2;
-
- yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
-
- if (dstParam[3])
- fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
-
- return srcSliceH;
-}
-
-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;
- uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY;
- uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY;
- yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
-
- return srcSliceH;
-}
-
-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;
- uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2;
- uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2;
-
- uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
-
- if (dstParam[3])
- fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
-
- return srcSliceH;
-}
-
-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;
- uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY;
- uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY;
-
- uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
-
- return srcSliceH;
-}
-
-static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
-{
- int 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, int num_pixels, const uint8_t *palette)
-{
- int i;
-
- for (i=0; i<num_pixels; i++)
- ((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | src[(i<<1)+1];
+ if (convertRange)
+ convertRange(dst, dstWidth);
}
-static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
+static void hcscale_fast_c(SwsContext *c, int16_t *dst1, int16_t *dst2,
+ int dstWidth, const uint8_t *src1,
+ const uint8_t *src2, int srcW, int xInc)
{
int 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;
- void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
- const uint8_t *palette)=NULL;
- int i;
- uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
- const uint8_t *srcPtr= src[0];
-
- 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;
+ unsigned int xpos = 0;
+ for (i = 0; i < dstWidth; i++) {
+ register unsigned int xx = xpos >> 16;
+ register unsigned int xalpha = (xpos & 0xFFFF) >> 9;
+ dst1[i] = (src1[xx] * (xalpha ^ 127) + src1[xx + 1] * xalpha);
+ dst2[i] = (src2[xx] * (xalpha ^ 127) + src2[xx + 1] * xalpha);
+ xpos += xInc;
+ }
+}
+
+static av_always_inline void hcscale(SwsContext *c, int16_t *dst1,
+ int16_t *dst2, int dstWidth,
+ const uint8_t *src_in[4],
+ int srcW, int xInc,
+ const int16_t *hChrFilter,
+ const int32_t *hChrFilterPos,
+ int hChrFilterSize,
+ uint8_t *formatConvBuffer, uint32_t *pal)
+{
+ const uint8_t *src1 = src_in[1], *src2 = src_in[2];
+ if (c->chrToYV12) {
+ uint8_t *buf2 = formatConvBuffer +
+ FFALIGN(srcW * FFALIGN(c->srcBpc, 8) >> 3, 16);
+ c->chrToYV12(formatConvBuffer, buf2, src1, src2, srcW, pal);
+ src1 = formatConvBuffer;
+ src2 = buf2;
+ } else if (c->readChrPlanar) {
+ uint8_t *buf2 = formatConvBuffer +
+ FFALIGN(srcW * FFALIGN(c->srcBpc, 8) >> 3, 16);
+ c->readChrPlanar(formatConvBuffer, buf2, src_in, srcW);
+ src1 = formatConvBuffer;
+ src2 = buf2;
+ }
+
+ if (!c->hcscale_fast) {
+ c->hcScale(c, dst1, dstWidth, src1, hChrFilter, hChrFilterPos, hChrFilterSize);
+ c->hcScale(c, dst2, dstWidth, src2, hChrFilter, hChrFilterPos, hChrFilterSize);
+ } else { // fast bilinear upscale / crap downscale
+ c->hcscale_fast(c, dst1, dst2, dstWidth, src1, src2, srcW, xInc);
+ }
+
+ if (c->chrConvertRange)
+ c->chrConvertRange(dst1, dst2, dstWidth);
+}
+
+#define DEBUG_SWSCALE_BUFFERS 0
+#define DEBUG_BUFFERS(...) \
+ if (DEBUG_SWSCALE_BUFFERS) \
+ av_log(c, AV_LOG_DEBUG, __VA_ARGS__)
+
+static int swscale(SwsContext *c, const uint8_t *src[],
+ int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t *dst[], int dstStride[])
+{
+ /* load a few things into local vars to make the code more readable?
+ * and faster */
+ const int srcW = c->srcW;
+ const int dstW = c->dstW;
+ const int dstH = c->dstH;
+ const int chrDstW = c->chrDstW;
+ const int chrSrcW = c->chrSrcW;
+ const int lumXInc = c->lumXInc;
+ const int chrXInc = c->chrXInc;
+ const enum AVPixelFormat dstFormat = c->dstFormat;
+ const int flags = c->flags;
+ int32_t *vLumFilterPos = c->vLumFilterPos;
+ int32_t *vChrFilterPos = c->vChrFilterPos;
+ int32_t *hLumFilterPos = c->hLumFilterPos;
+ int32_t *hChrFilterPos = c->hChrFilterPos;
+ int16_t *vLumFilter = c->vLumFilter;
+ int16_t *vChrFilter = c->vChrFilter;
+ int16_t *hLumFilter = c->hLumFilter;
+ int16_t *hChrFilter = c->hChrFilter;
+ int32_t *lumMmxFilter = c->lumMmxFilter;
+ int32_t *chrMmxFilter = c->chrMmxFilter;
+ const int vLumFilterSize = c->vLumFilterSize;
+ const int vChrFilterSize = c->vChrFilterSize;
+ const int hLumFilterSize = c->hLumFilterSize;
+ const int hChrFilterSize = c->hChrFilterSize;
+ int16_t **lumPixBuf = c->lumPixBuf;
+ int16_t **chrUPixBuf = c->chrUPixBuf;
+ int16_t **chrVPixBuf = c->chrVPixBuf;
+ int16_t **alpPixBuf = c->alpPixBuf;
+ const int vLumBufSize = c->vLumBufSize;
+ const int vChrBufSize = c->vChrBufSize;
+ uint8_t *formatConvBuffer = c->formatConvBuffer;
+ uint32_t *pal = c->pal_yuv;
+ yuv2planar1_fn yuv2plane1 = c->yuv2plane1;
+ yuv2planarX_fn yuv2planeX = c->yuv2planeX;
+ yuv2interleavedX_fn yuv2nv12cX = c->yuv2nv12cX;
+ yuv2packed1_fn yuv2packed1 = c->yuv2packed1;
+ yuv2packed2_fn yuv2packed2 = c->yuv2packed2;
+ yuv2packedX_fn yuv2packedX = c->yuv2packedX;
+ yuv2anyX_fn yuv2anyX = c->yuv2anyX;
+ const int chrSrcSliceY = srcSliceY >> c->chrSrcVSubSample;
+ const int chrSrcSliceH = -((-srcSliceH) >> c->chrSrcVSubSample);
+ int should_dither = is9_OR_10BPS(c->srcFormat) ||
+ is16BPS(c->srcFormat);
+ int lastDstY;
+
+ /* vars which will change and which we need to store back in the context */
+ int dstY = c->dstY;
+ int lumBufIndex = c->lumBufIndex;
+ int chrBufIndex = c->chrBufIndex;
+ int lastInLumBuf = c->lastInLumBuf;
+ int lastInChrBuf = c->lastInChrBuf;
+
+ if (isPacked(c->srcFormat)) {
+ src[0] =
+ src[1] =
+ src[2] =
+ src[3] = src[0];
+ srcStride[0] =
+ srcStride[1] =
+ srcStride[2] =
+ srcStride[3] = srcStride[0];
+ }
+ srcStride[1] <<= c->vChrDrop;
+ srcStride[2] <<= c->vChrDrop;
+
+ DEBUG_BUFFERS("swscale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n",
+ src[0], srcStride[0], src[1], srcStride[1],
+ src[2], srcStride[2], src[3], srcStride[3],
+ dst[0], dstStride[0], dst[1], dstStride[1],
+ dst[2], dstStride[2], dst[3], dstStride[3]);
+ DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n",
+ srcSliceY, srcSliceH, dstY, dstH);
+ DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n",
+ vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize);
+
+ if (dstStride[0] % 8 != 0 || dstStride[1] % 8 != 0 ||
+ dstStride[2] % 8 != 0 || dstStride[3] % 8 != 0) {
+ static int warnedAlready = 0; // FIXME maybe move this into the context
+ if (flags & SWS_PRINT_INFO && !warnedAlready) {
+ av_log(c, AV_LOG_WARNING,
+ "Warning: dstStride is not aligned!\n"
+ " ->cannot do aligned memory accesses anymore\n");
+ warnedAlready = 1;
}
}
- 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];
+ /* Note the user might start scaling the picture in the middle so this
+ * will not get executed. This is not really intended but works
+ * currently, so people might do it. */
+ if (srcSliceY == 0) {
+ lumBufIndex = -1;
+ chrBufIndex = -1;
+ dstY = 0;
+ lastInLumBuf = -1;
+ lastInChrBuf = -1;
+ }
+
+ if (!should_dither) {
+ c->chrDither8 = c->lumDither8 = sws_pb_64;
+ }
+ lastDstY = dstY;
+
+ for (; dstY < dstH; dstY++) {
+ const int chrDstY = dstY >> c->chrDstVSubSample;
+ uint8_t *dest[4] = {
+ dst[0] + dstStride[0] * dstY,
+ dst[1] + dstStride[1] * chrDstY,
+ dst[2] + dstStride[2] * chrDstY,
+ (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3] + dstStride[3] * dstY : NULL,
+ };
+
+ // First line needed as input
+ const int firstLumSrcY = FFMAX(1 - vLumFilterSize, vLumFilterPos[dstY]);
+ const int firstLumSrcY2 = FFMAX(1 - vLumFilterSize, vLumFilterPos[FFMIN(dstY | ((1 << c->chrDstVSubSample) - 1), dstH - 1)]);
+ // First line needed as input
+ const int firstChrSrcY = FFMAX(1 - vChrFilterSize, vChrFilterPos[chrDstY]);
+
+ // Last line needed as input
+ int lastLumSrcY = FFMIN(c->srcH, firstLumSrcY + vLumFilterSize) - 1;
+ int lastLumSrcY2 = FFMIN(c->srcH, firstLumSrcY2 + vLumFilterSize) - 1;
+ int lastChrSrcY = FFMIN(c->chrSrcH, firstChrSrcY + vChrFilterSize) - 1;
+ int enough_lines;
+
+ // handle holes (FAST_BILINEAR & weird filters)
+ if (firstLumSrcY > lastInLumBuf)
+ lastInLumBuf = firstLumSrcY - 1;
+ if (firstChrSrcY > lastInChrBuf)
+ lastInChrBuf = firstChrSrcY - 1;
+ assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
+ assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
+
+ DEBUG_BUFFERS("dstY: %d\n", dstY);
+ DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n",
+ firstLumSrcY, lastLumSrcY, lastInLumBuf);
+ DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n",
+ firstChrSrcY, lastChrSrcY, lastInChrBuf);
+
+ // Do we have enough lines in this slice to output the dstY line
+ enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH &&
+ lastChrSrcY < -((-srcSliceY - srcSliceH) >> c->chrSrcVSubSample);
+
+ if (!enough_lines) {
+ lastLumSrcY = srcSliceY + srcSliceH - 1;
+ lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1;
+ DEBUG_BUFFERS("buffering slice: lastLumSrcY %d lastChrSrcY %d\n",
+ lastLumSrcY, lastChrSrcY);
}
- }
-
- 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 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= (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, int 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 ( (isBGRinInt(srcFormat) && isBGRinInt(dstFormat))
- || (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
- switch(srcId | (dstId<<4)) {
- case 0x34: conv= rgb16to15; break;
- case 0x36: conv= rgb24to15; break;
- case 0x38: conv= rgb32to15; break;
- case 0x43: conv= rgb15to16; break;
- case 0x46: conv= rgb24to16; break;
- case 0x48: conv= rgb32to16; break;
- case 0x63: conv= rgb15to24; break;
- case 0x64: conv= rgb16to24; break;
- case 0x68: conv= rgb32to24; break;
- case 0x83: conv= rgb15to32; break;
- case 0x84: conv= rgb16to32; break;
- case 0x86: conv= rgb24to32; break;
+ // Do horizontal scaling
+ while (lastInLumBuf < lastLumSrcY) {
+ const uint8_t *src1[4] = {
+ src[0] + (lastInLumBuf + 1 - srcSliceY) * srcStride[0],
+ src[1] + (lastInLumBuf + 1 - srcSliceY) * srcStride[1],
+ src[2] + (lastInLumBuf + 1 - srcSliceY) * srcStride[2],
+ src[3] + (lastInLumBuf + 1 - srcSliceY) * srcStride[3],
+ };
+ lumBufIndex++;
+ assert(lumBufIndex < 2 * vLumBufSize);
+ assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
+ assert(lastInLumBuf + 1 - srcSliceY >= 0);
+ hyscale(c, lumPixBuf[lumBufIndex], dstW, src1, srcW, lumXInc,
+ hLumFilter, hLumFilterPos, hLumFilterSize,
+ formatConvBuffer, pal, 0);
+ if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
+ hyscale(c, alpPixBuf[lumBufIndex], dstW, src1, srcW,
+ lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize,
+ formatConvBuffer, pal, 1);
+ lastInLumBuf++;
+ DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n",
+ lumBufIndex, lastInLumBuf);
}
- } 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 0x36: conv= rgb24tobgr15; break;
- case 0x38: conv= rgb32tobgr15; break;
- case 0x43: conv= rgb15tobgr16; break;
- case 0x44: conv= rgb16tobgr16; break;
- case 0x46: conv= rgb24tobgr16; break;
- case 0x48: conv= rgb32tobgr16; break;
- case 0x63: conv= rgb15tobgr24; break;
- case 0x64: conv= rgb16tobgr24; break;
- case 0x66: conv= rgb24tobgr24; break;
- case 0x68: conv= rgb32tobgr24; break;
- case 0x83: conv= rgb15tobgr32; break;
- case 0x84: conv= rgb16tobgr32; break;
- case 0x86: conv= rgb24tobgr32; break;
+ while (lastInChrBuf < lastChrSrcY) {
+ const uint8_t *src1[4] = {
+ src[0] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[0],
+ src[1] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[1],
+ src[2] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[2],
+ src[3] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[3],
+ };
+ chrBufIndex++;
+ assert(chrBufIndex < 2 * vChrBufSize);
+ assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
+ assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
+ // FIXME replace parameters through context struct (some at least)
+
+ if (c->needs_hcscale)
+ hcscale(c, chrUPixBuf[chrBufIndex], chrVPixBuf[chrBufIndex],
+ chrDstW, src1, chrSrcW, chrXInc,
+ hChrFilter, hChrFilterPos, hChrFilterSize,
+ formatConvBuffer, pal);
+ lastInChrBuf++;
+ DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n",
+ chrBufIndex, lastInChrBuf);
}
- }
-
- 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];
- 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, dstPtr + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
- else {
- int i;
- dstPtr += dstStride[0]*srcSliceY;
-
- for (i=0; i<srcSliceH; i++) {
- conv(srcPtr, dstPtr, c->srcW*srcBpp);
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
- }
+ // wrap buf index around to stay inside the ring buffer
+ if (lumBufIndex >= vLumBufSize)
+ lumBufIndex -= vLumBufSize;
+ if (chrBufIndex >= vChrBufSize)
+ chrBufIndex -= vChrBufSize;
+ if (!enough_lines)
+ break; // we can't output a dstY line so let's try with the next slice
+
+#if HAVE_MMX_INLINE
+ updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex,
+ lastInLumBuf, lastInChrBuf);
+#endif
+ if (should_dither) {
+ c->chrDither8 = ff_dither_8x8_128[chrDstY & 7];
+ c->lumDither8 = ff_dither_8x8_128[dstY & 7];
+ }
+ if (dstY >= dstH - 2) {
+ /* hmm looks like we can't use MMX here without overwriting
+ * this array's tail */
+ ff_sws_init_output_funcs(c, &yuv2plane1, &yuv2planeX, &yuv2nv12cX,
+ &yuv2packed1, &yuv2packed2, &yuv2packedX, &yuv2anyX);
}
- }
- return srcSliceH;
-}
-
-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],
- dst[1]+(srcSliceY>>1)*dstStride[1],
- dst[2]+(srcSliceY>>1)*dstStride[2],
- c->srcW, srcSliceH,
- dstStride[0], dstStride[1], srcStride[0]);
- if (dst[3])
- fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
- return srcSliceH;
-}
-static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[])
-{
- copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
- dst[0], dstStride[0]);
-
- 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;
-}
+ {
+ const int16_t **lumSrcPtr = (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
+ const int16_t **chrUSrcPtr = (const int16_t **)chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
+ const int16_t **chrVSrcPtr = (const int16_t **)chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
+ const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && alpPixBuf) ?
+ (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
+
+ if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
+ const int16_t **tmpY = (const int16_t **)lumPixBuf +
+ 2 * vLumBufSize;
+ int neg = -firstLumSrcY, i;
+ int end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
+ for (i = 0; i < neg; i++)
+ tmpY[i] = lumSrcPtr[neg];
+ for (; i < end; i++)
+ tmpY[i] = lumSrcPtr[i];
+ for (; i < vLumFilterSize; i++)
+ tmpY[i] = tmpY[i - 1];
+ lumSrcPtr = tmpY;
+
+ if (alpSrcPtr) {
+ const int16_t **tmpA = (const int16_t **)alpPixBuf +
+ 2 * vLumBufSize;
+ for (i = 0; i < neg; i++)
+ tmpA[i] = alpSrcPtr[neg];
+ for (; i < end; i++)
+ tmpA[i] = alpSrcPtr[i];
+ for (; i < vLumFilterSize; i++)
+ tmpA[i] = tmpA[i - 1];
+ alpSrcPtr = tmpA;
+ }
+ }
+ if (firstChrSrcY < 0 ||
+ firstChrSrcY + vChrFilterSize > c->chrSrcH) {
+ const int16_t **tmpU = (const int16_t **)chrUPixBuf + 2 * vChrBufSize,
+ **tmpV = (const int16_t **)chrVPixBuf + 2 * vChrBufSize;
+ int neg = -firstChrSrcY, i;
+ int end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
+ for (i = 0; i < neg; i++) {
+ tmpU[i] = chrUSrcPtr[neg];
+ tmpV[i] = chrVSrcPtr[neg];
+ }
+ for (; i < end; i++) {
+ tmpU[i] = chrUSrcPtr[i];
+ tmpV[i] = chrVSrcPtr[i];
+ }
+ for (; i < vChrFilterSize; i++) {
+ tmpU[i] = tmpU[i - 1];
+ tmpV[i] = tmpV[i - 1];
+ }
+ chrUSrcPtr = tmpU;
+ chrVSrcPtr = tmpV;
+ }
-/* unscaled copy like stuff (assumes nearly identical formats) */
-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]);
- else {
- int i;
- const uint8_t *srcPtr= src[0];
- uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
- int length=0;
-
- /* universal length finder */
- while(length+c->srcW <= FFABS(dstStride[0])
- && length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW;
- assert(length!=0);
-
- for (i=0; i<srcSliceH; i++) {
- memcpy(dstPtr, srcPtr, length);
- srcPtr+= srcStride[0];
- dstPtr+= dstStride[0];
- }
- }
- return srcSliceH;
-}
+ if (isPlanarYUV(dstFormat) ||
+ (isGray(dstFormat) && !isALPHA(dstFormat))) { // YV12 like
+ const int chrSkipMask = (1 << c->chrDstVSubSample) - 1;
-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++) {
- int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample);
- int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample);
- int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
- const uint8_t *srcPtr= src[plane];
- uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
-
- if (!dst[plane]) continue;
- // ignore palette for GRAY8
- if (plane == 1 && !dst[2]) continue;
- if (!src[plane] || (plane == 1 && !src[2])) {
- if(is16BPS(c->dstFormat))
- length*=2;
- fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128);
- } else {
- if(is9_OR_10BPS(c->srcFormat)) {
- const int src_depth = av_pix_fmt_descriptors[c->srcFormat].comp[plane].depth_minus1+1;
- const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1+1;
- const uint16_t *srcPtr2 = (const uint16_t*)srcPtr;
-
- if (is16BPS(c->dstFormat)) {
- uint16_t *dstPtr2 = (uint16_t*)dstPtr;
-#define COPY9_OR_10TO16(rfunc, wfunc) \
- for (i = 0; i < height; i++) { \
- for (j = 0; j < length; j++) { \
- int srcpx = rfunc(&srcPtr2[j]); \
- wfunc(&dstPtr2[j], (srcpx<<(16-src_depth)) | (srcpx>>(2*src_depth-16))); \
- } \
- dstPtr2 += dstStride[plane]/2; \
- srcPtr2 += srcStride[plane]/2; \
- }
- if (isBE(c->dstFormat)) {
- if (isBE(c->srcFormat)) {
- COPY9_OR_10TO16(AV_RB16, AV_WB16);
- } else {
- COPY9_OR_10TO16(AV_RL16, AV_WB16);
- }
- } else {
- if (isBE(c->srcFormat)) {
- COPY9_OR_10TO16(AV_RB16, AV_WL16);
- } else {
- COPY9_OR_10TO16(AV_RL16, AV_WL16);
- }
- }
- } else if (is9_OR_10BPS(c->dstFormat)) {
- uint16_t *dstPtr2 = (uint16_t*)dstPtr;
-#define COPY9_OR_10TO9_OR_10(loop) \
- for (i = 0; i < height; i++) { \
- for (j = 0; j < length; j++) { \
- loop; \
- } \
- dstPtr2 += dstStride[plane]/2; \
- srcPtr2 += srcStride[plane]/2; \
- }
-#define COPY9_OR_10TO9_OR_10_2(rfunc, wfunc) \
- if (dst_depth > src_depth) { \
- COPY9_OR_10TO9_OR_10(int srcpx = rfunc(&srcPtr2[j]); \
- wfunc(&dstPtr2[j], (srcpx << 1) | (srcpx >> 9))); \
- } else if (dst_depth < src_depth) { \
- COPY9_OR_10TO9_OR_10(wfunc(&dstPtr2[j], rfunc(&srcPtr2[j]) >> 1)); \
- } else { \
- COPY9_OR_10TO9_OR_10(wfunc(&dstPtr2[j], rfunc(&srcPtr2[j]))); \
- }
- if (isBE(c->dstFormat)) {
- if (isBE(c->srcFormat)) {
- COPY9_OR_10TO9_OR_10_2(AV_RB16, AV_WB16);
- } else {
- COPY9_OR_10TO9_OR_10_2(AV_RL16, AV_WB16);
- }
- } else {
- if (isBE(c->srcFormat)) {
- COPY9_OR_10TO9_OR_10_2(AV_RB16, AV_WL16);
- } else {
- COPY9_OR_10TO9_OR_10_2(AV_RL16, AV_WL16);
- }
- }
+ if (vLumFilterSize == 1) {
+ yuv2plane1(lumSrcPtr[0], dest[0], dstW, c->lumDither8, 0);
} else {
- // FIXME Maybe dither instead.
-#define COPY9_OR_10TO8(rfunc) \
- for (i = 0; i < height; i++) { \
- for (j = 0; j < length; j++) { \
- dstPtr[j] = rfunc(&srcPtr2[j])>>(src_depth-8); \
- } \
- dstPtr += dstStride[plane]; \
- srcPtr2 += srcStride[plane]/2; \
- }
- if (isBE(c->srcFormat)) {
- COPY9_OR_10TO8(AV_RB16);
- } else {
- COPY9_OR_10TO8(AV_RL16);
- }
+ yuv2planeX(vLumFilter + dstY * vLumFilterSize,
+ vLumFilterSize, lumSrcPtr, dest[0],
+ dstW, c->lumDither8, 0);
}
- } else if(is9_OR_10BPS(c->dstFormat)) {
- const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1+1;
- uint16_t *dstPtr2 = (uint16_t*)dstPtr;
-
- if (is16BPS(c->srcFormat)) {
- const uint16_t *srcPtr2 = (const uint16_t*)srcPtr;
-#define COPY16TO9_OR_10(rfunc, wfunc) \
- for (i = 0; i < height; i++) { \
- for (j = 0; j < length; j++) { \
- wfunc(&dstPtr2[j], rfunc(&srcPtr2[j])>>(16-dst_depth)); \
- } \
- dstPtr2 += dstStride[plane]/2; \
- srcPtr2 += srcStride[plane]/2; \
- }
- if (isBE(c->dstFormat)) {
- if (isBE(c->srcFormat)) {
- COPY16TO9_OR_10(AV_RB16, AV_WB16);
- } else {
- COPY16TO9_OR_10(AV_RL16, AV_WB16);
- }
- } else {
- if (isBE(c->srcFormat)) {
- COPY16TO9_OR_10(AV_RB16, AV_WL16);
- } else {
- COPY16TO9_OR_10(AV_RL16, AV_WL16);
- }
- }
- } else /* 8bit */ {
-#define COPY8TO9_OR_10(wfunc) \
- for (i = 0; i < height; i++) { \
- for (j = 0; j < length; j++) { \
- const int srcpx = srcPtr[j]; \
- wfunc(&dstPtr2[j], (srcpx<<(dst_depth-8)) | (srcpx >> (16-dst_depth))); \
- } \
- dstPtr2 += dstStride[plane]/2; \
- srcPtr += srcStride[plane]; \
- }
- if (isBE(c->dstFormat)) {
- COPY8TO9_OR_10(AV_WB16);
+
+ if (!((dstY & chrSkipMask) || isGray(dstFormat))) {
+ if (yuv2nv12cX) {
+ yuv2nv12cX(c, vChrFilter + chrDstY * vChrFilterSize,
+ vChrFilterSize, chrUSrcPtr, chrVSrcPtr,
+ dest[1], chrDstW);
+ } else if (vChrFilterSize == 1) {
+ yuv2plane1(chrUSrcPtr[0], dest[1], chrDstW, c->chrDither8, 0);
+ yuv2plane1(chrVSrcPtr[0], dest[2], chrDstW, c->chrDither8, 3);
} else {
- COPY8TO9_OR_10(AV_WL16);
+ yuv2planeX(vChrFilter + chrDstY * vChrFilterSize,
+ vChrFilterSize, chrUSrcPtr, dest[1],
+ chrDstW, c->chrDither8, 0);
+ yuv2planeX(vChrFilter + chrDstY * vChrFilterSize,
+ vChrFilterSize, chrVSrcPtr, dest[2],
+ chrDstW, c->chrDither8, 3);
}
}
- } else if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) {
- if (!isBE(c->srcFormat)) srcPtr++;
- for (i=0; i<height; i++) {
- for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1];
- srcPtr+= srcStride[plane];
- dstPtr+= dstStride[plane];
- }
- } else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) {
- for (i=0; i<height; i++) {
- for (j=0; j<length; j++) {
- dstPtr[ j<<1 ] = srcPtr[j];
- dstPtr[(j<<1)+1] = srcPtr[j];
+
+ if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
+ if (vLumFilterSize == 1) {
+ yuv2plane1(alpSrcPtr[0], dest[3], dstW,
+ c->lumDither8, 0);
+ } else {
+ yuv2planeX(vLumFilter + dstY * vLumFilterSize,
+ vLumFilterSize, alpSrcPtr, dest[3],
+ dstW, c->lumDither8, 0);
}
- srcPtr+= srcStride[plane];
- dstPtr+= dstStride[plane];
}
- } else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)
- && isBE(c->srcFormat) != isBE(c->dstFormat)) {
-
- for (i=0; i<height; i++) {
- for (j=0; j<length; j++)
- ((uint16_t*)dstPtr)[j] = av_bswap16(((const uint16_t*)srcPtr)[j]);
- srcPtr+= srcStride[plane];
- dstPtr+= dstStride[plane];
+ } else if (yuv2packedX) {
+ if (c->yuv2packed1 && vLumFilterSize == 1 &&
+ vChrFilterSize <= 2) { // unscaled RGB
+ int chrAlpha = vChrFilterSize == 1 ? 0 : vChrFilter[2 * dstY + 1];
+ yuv2packed1(c, *lumSrcPtr, chrUSrcPtr, chrVSrcPtr,
+ alpPixBuf ? *alpSrcPtr : NULL,
+ dest[0], dstW, chrAlpha, dstY);
+ } else if (c->yuv2packed2 && vLumFilterSize == 2 &&
+ vChrFilterSize == 2) { // bilinear upscale RGB
+ int lumAlpha = vLumFilter[2 * dstY + 1];
+ int chrAlpha = vChrFilter[2 * dstY + 1];
+ lumMmxFilter[2] =
+ lumMmxFilter[3] = vLumFilter[2 * dstY] * 0x10001;
+ chrMmxFilter[2] =
+ chrMmxFilter[3] = vChrFilter[2 * chrDstY] * 0x10001;
+ yuv2packed2(c, lumSrcPtr, chrUSrcPtr, chrVSrcPtr,
+ alpPixBuf ? alpSrcPtr : NULL,
+ dest[0], dstW, lumAlpha, chrAlpha, dstY);
+ } else { // general RGB
+ yuv2packedX(c, vLumFilter + dstY * vLumFilterSize,
+ lumSrcPtr, vLumFilterSize,
+ vChrFilter + dstY * vChrFilterSize,
+ chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
+ alpSrcPtr, dest[0], dstW, dstY);
}
- } 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++) {
- memcpy(dstPtr, srcPtr, length);
- srcPtr+= srcStride[plane];
- dstPtr+= dstStride[plane];
- }
+ yuv2anyX(c, vLumFilter + dstY * vLumFilterSize,
+ lumSrcPtr, vLumFilterSize,
+ vChrFilter + dstY * vChrFilterSize,
+ chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
+ alpSrcPtr, dest, dstW, dstY);
}
}
}
- return srcSliceH;
-}
-
-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
- && srcFormat != PIX_FMT_BGR48LE && dstFormat != PIX_FMT_BGR48LE
- && srcFormat != PIX_FMT_BGR48BE && dstFormat != PIX_FMT_BGR48BE
- && (!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;
- }
+ if (isPlanar(dstFormat) && isALPHA(dstFormat) && !alpPixBuf) {
+ int length = dstW;
+ int height = dstY - lastDstY;
+ if (is16BPS(c->dstFormat))
+ length *= 2;
- /* 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= 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 HAVE_ALTIVEC
- if ((av_get_cpu_flags() & AV_CPU_FLAG_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;
+ if (is9_OR_10BPS(dstFormat)) {
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat);
+ fill_plane9or10(dst[3], dstStride[3], length, height, lastDstY,
+ 255, desc->comp[3].depth, isBE(dstFormat));
+ } else
+ fillPlane(dst[3], dstStride[3], length, height, lastDstY, 255);
}
-#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= packedCopyWrapper;
- else /* Planar YUV or gray */
- c->swScale= planarCopyWrapper;
- }
-#if ARCH_BFIN
- ff_bfin_get_unscaled_swscale (c);
+#if HAVE_MMXEXT_INLINE
+ if (av_get_cpu_flags() & AV_CPU_FLAG_MMXEXT)
+ __asm__ volatile ("sfence" ::: "memory");
#endif
-}
+ emms_c();
-static void reset_ptr(const uint8_t* src[], int format)
-{
- if(!isALPHA(format))
- src[3]=NULL;
- if(!isPlanarYUV(format)) {
- src[3]=src[2]=NULL;
+ /* store changed local vars back in the context */
+ c->dstY = dstY;
+ c->lumBufIndex = lumBufIndex;
+ c->chrBufIndex = chrBufIndex;
+ c->lastInLumBuf = lastInLumBuf;
+ c->lastInChrBuf = lastInChrBuf;
- if (!usePal(format))
- src[1]= NULL;
- }
+ return dstY - lastDstY;
}
-static int check_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt,
- const int linesizes[4])
+static av_cold void sws_init_swscale(SwsContext *c)
{
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
- int i;
+ enum AVPixelFormat srcFormat = c->srcFormat;
- for (i = 0; i < 4; i++) {
- int plane = desc->comp[i].plane;
- if (!data[plane] || !linesizes[plane])
- return 0;
- }
+ ff_sws_init_output_funcs(c, &c->yuv2plane1, &c->yuv2planeX,
+ &c->yuv2nv12cX, &c->yuv2packed1,
+ &c->yuv2packed2, &c->yuv2packedX, &c->yuv2anyX);
- return 1;
-}
+ ff_sws_init_input_funcs(c);
-/**
- * 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* 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]};
- uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]};
-
- // do not mess up sliceDir if we have a "trailing" 0-size slice
- 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;
- }
- if (c->sliceDir == 0) {
- if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;
+ if (c->srcBpc == 8) {
+ if (c->dstBpc <= 10) {
+ c->hyScale = c->hcScale = hScale8To15_c;
+ if (c->flags & SWS_FAST_BILINEAR) {
+ c->hyscale_fast = hyscale_fast_c;
+ c->hcscale_fast = hcscale_fast_c;
+ }
+ } else {
+ c->hyScale = c->hcScale = hScale8To19_c;
+ }
+ } else {
+ c->hyScale = c->hcScale = c->dstBpc > 10 ? hScale16To19_c
+ : hScale16To15_c;
}
- if (usePal(c->srcFormat)) {
- for (i=0; i<256; i++) {
- int p, r, g, b,y,u,v;
- if(c->srcFormat == PIX_FMT_PAL8) {
- p=((const uint32_t*)(src[1]))[i];
- r= (p>>16)&0xFF;
- g= (p>> 8)&0xFF;
- b= p &0xFF;
- } else if(c->srcFormat == PIX_FMT_RGB8) {
- r= (i>>5 )*36;
- g= ((i>>2)&7)*36;
- b= (i&3 )*85;
- } else if(c->srcFormat == PIX_FMT_BGR8) {
- b= (i>>6 )*85;
- g= ((i>>3)&7)*36;
- r= (i&7 )*36;
- } else if(c->srcFormat == PIX_FMT_RGB4_BYTE) {
- 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;
+ if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) {
+ if (c->dstBpc <= 10) {
+ if (c->srcRange) {
+ c->lumConvertRange = lumRangeFromJpeg_c;
+ c->chrConvertRange = chrRangeFromJpeg_c;
} else {
- assert(c->srcFormat == PIX_FMT_BGR4_BYTE);
- b= (i>>3 )*255;
- g= ((i>>1)&3)*85;
- r= (i&1 )*255;
+ c->lumConvertRange = lumRangeToJpeg_c;
+ c->chrConvertRange = chrRangeToJpeg_c;
}
- y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
- u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
- 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
- case PIX_FMT_RGB24:
-#endif
- c->pal_rgb[i]= r + (g<<8) + (b<<16);
- break;
- case PIX_FMT_BGR32_1:
-#if HAVE_BIGENDIAN
- case PIX_FMT_BGR24:
-#endif
- c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8;
- break;
- case PIX_FMT_RGB32_1:
-#if HAVE_BIGENDIAN
- case PIX_FMT_RGB24:
-#endif
- c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8;
- break;
- case PIX_FMT_RGB32:
-#if !HAVE_BIGENDIAN
- case PIX_FMT_BGR24:
-#endif
- default:
- c->pal_rgb[i]= b + (g<<8) + (r<<16);
+ } else {
+ if (c->srcRange) {
+ c->lumConvertRange = lumRangeFromJpeg16_c;
+ c->chrConvertRange = chrRangeFromJpeg16_c;
+ } else {
+ c->lumConvertRange = lumRangeToJpeg16_c;
+ c->chrConvertRange = chrRangeToJpeg16_c;
}
}
}
- // copy strides, so they can safely be modified
- if (c->sliceDir == 1) {
- // slices go from top to bottom
- int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2], srcStride[3]};
- int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]};
-
- reset_ptr(src2, c->srcFormat);
- reset_ptr((const uint8_t**)dst2, c->dstFormat);
-
- /* reset slice direction at end of frame */
- if (srcSliceY + srcSliceH == c->srcH)
- c->sliceDir = 0;
-
- return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2);
- } else {
- // slices go from bottom to top => we flip the image internally
- int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2], -srcStride[3]};
- int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2], -dstStride[3]};
-
- src2[0] += (srcSliceH-1)*srcStride[0];
- if (!usePal(c->srcFormat))
- src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1];
- src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2];
- src2[3] += (srcSliceH-1)*srcStride[3];
- dst2[0] += ( c->dstH -1)*dstStride[0];
- dst2[1] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1];
- dst2[2] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2];
- dst2[3] += ( c->dstH -1)*dstStride[3];
-
- reset_ptr(src2, c->srcFormat);
- reset_ptr((const uint8_t**)dst2, c->dstFormat);
-
- /* reset slice direction at end of frame */
- if (!srcSliceY)
- c->sliceDir = 0;
-
- return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
- }
+ if (!(isGray(srcFormat) || isGray(c->dstFormat) ||
+ srcFormat == AV_PIX_FMT_MONOBLACK || srcFormat == AV_PIX_FMT_MONOWHITE))
+ c->needs_hcscale = 1;
}
-/* Convert the palette to the same packed 32-bit format as the palette */
-void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
+SwsFunc ff_getSwsFunc(SwsContext *c)
{
- int i;
+ sws_init_swscale(c);
- for (i=0; i<num_pixels; i++)
- ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
-}
+ if (ARCH_PPC)
+ ff_sws_init_swscale_ppc(c);
+ if (ARCH_X86)
+ ff_sws_init_swscale_x86(c);
-/* Palette format: ABCD -> dst format: ABC */
-void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
-{
- int i;
-
- 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 swscale;
}
projects / ffmpeg / blobdiff