/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/bswap.h"
#include "libavutil/pixdesc.h"
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_1)[8][8] = {
- { 0, 1, 0, 1, 0, 1, 0, 1,},
- { 1, 0, 1, 0, 1, 0, 1, 0,},
- { 0, 1, 0, 1, 0, 1, 0, 1,},
- { 1, 0, 1, 0, 1, 0, 1, 0,},
- { 0, 1, 0, 1, 0, 1, 0, 1,},
- { 1, 0, 1, 0, 1, 0, 1, 0,},
- { 0, 1, 0, 1, 0, 1, 0, 1,},
- { 1, 0, 1, 0, 1, 0, 1, 0,},
-};
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_3)[8][8] = {
- { 1, 2, 1, 2, 1, 2, 1, 2,},
- { 3, 0, 3, 0, 3, 0, 3, 0,},
- { 1, 2, 1, 2, 1, 2, 1, 2,},
- { 3, 0, 3, 0, 3, 0, 3, 0,},
- { 1, 2, 1, 2, 1, 2, 1, 2,},
- { 3, 0, 3, 0, 3, 0, 3, 0,},
- { 1, 2, 1, 2, 1, 2, 1, 2,},
- { 3, 0, 3, 0, 3, 0, 3, 0,},
-};
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_64)[8][8] = {
- { 18, 34, 30, 46, 17, 33, 29, 45,},
- { 50, 2, 62, 14, 49, 1, 61, 13,},
- { 26, 42, 22, 38, 25, 41, 21, 37,},
- { 58, 10, 54, 6, 57, 9, 53, 5,},
- { 16, 32, 28, 44, 19, 35, 31, 47,},
- { 48, 0, 60, 12, 51, 3, 63, 15,},
- { 24, 40, 20, 36, 27, 43, 23, 39,},
- { 56, 8, 52, 4, 59, 11, 55, 7,},
-};
-extern const uint8_t dither_8x8_128[8][8];
-DECLARE_ALIGNED(8, const uint8_t, dither_8x8_256)[8][8] = {
- { 72, 136, 120, 184, 68, 132, 116, 180,},
- { 200, 8, 248, 56, 196, 4, 244, 52,},
- { 104, 168, 88, 152, 100, 164, 84, 148,},
- { 232, 40, 216, 24, 228, 36, 212, 20,},
- { 64, 128, 102, 176, 76, 140, 124, 188,},
- { 192, 0, 240, 48, 204, 12, 252, 60,},
- { 96, 160, 80, 144, 108, 172, 92, 156,},
- { 224, 32, 208, 16, 236, 44, 220, 28,},
-};
-
#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))
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
const uint8_t *srcPtr= src[0];
- if (srcFormat == PIX_FMT_Y400A) {
+ if (srcFormat == PIX_FMT_GRAY8A) {
switch (dstFormat) {
case PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
case PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
if (!conv)
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
+ av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
else {
for (i=0; i<srcSliceH; i++) {
conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
if (!conv) {
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
+ av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
} else {
const uint8_t *srcPtr= src[0];
uint8_t *dstPtr= dst[0];
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)
+ if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0 && !(srcStride[0] % srcBpp))
conv(srcPtr, dstPtr + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
else {
int i;
return srcSliceH;
}
-#define DITHER_COPY(dst, dstStride, wfunc, src, srcStride, rfunc, dithers, shift) \
- for (i = 0; i < height; i++) { \
- const uint8_t *dither = dithers[i & 7]; \
- for (j = 0; j < length - 7; j += 8) { \
- wfunc(&dst[j + 0], (rfunc(&src[j + 0]) + dither[0]) >> shift); \
- wfunc(&dst[j + 1], (rfunc(&src[j + 1]) + dither[1]) >> shift); \
- wfunc(&dst[j + 2], (rfunc(&src[j + 2]) + dither[2]) >> shift); \
- wfunc(&dst[j + 3], (rfunc(&src[j + 3]) + dither[3]) >> shift); \
- wfunc(&dst[j + 4], (rfunc(&src[j + 4]) + dither[4]) >> shift); \
- wfunc(&dst[j + 5], (rfunc(&src[j + 5]) + dither[5]) >> shift); \
- wfunc(&dst[j + 6], (rfunc(&src[j + 6]) + dither[6]) >> shift); \
- wfunc(&dst[j + 7], (rfunc(&src[j + 7]) + dither[7]) >> shift); \
- } \
- for (; j < length; j++) \
- wfunc(&dst[j], (rfunc(&src[j]) + dither[j & 7]) >> shift); \
- dst += dstStride; \
- src += srcStride; \
+#define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
+ uint16_t scale= dither_scale[dst_depth-1][src_depth-1];\
+ int shift= src_depth-dst_depth + dither_scale[src_depth-2][dst_depth-1];\
+ for (i = 0; i < height; i++) {\
+ const uint8_t *dither= dithers[src_depth-9][i&7];\
+ for (j = 0; j < length-7; j+=8){\
+ dst[j+0] = dbswap((bswap(src[j+0]) + dither[0])*scale>>shift);\
+ dst[j+1] = dbswap((bswap(src[j+1]) + dither[1])*scale>>shift);\
+ dst[j+2] = dbswap((bswap(src[j+2]) + dither[2])*scale>>shift);\
+ dst[j+3] = dbswap((bswap(src[j+3]) + dither[3])*scale>>shift);\
+ dst[j+4] = dbswap((bswap(src[j+4]) + dither[4])*scale>>shift);\
+ dst[j+5] = dbswap((bswap(src[j+5]) + dither[5])*scale>>shift);\
+ dst[j+6] = dbswap((bswap(src[j+6]) + dither[6])*scale>>shift);\
+ dst[j+7] = dbswap((bswap(src[j+7]) + dither[7])*scale>>shift);\
+ }\
+ for (; j < length; j++)\
+ dst[j] = dbswap((bswap(src[j]) + dither[j&7])*scale>>shift);\
+ dst += dstStride;\
+ src += srcStride;\
}
+
static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
const uint8_t *srcPtr= src[plane];
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
+ int shiftonly= plane==1 || plane==2 || (!c->srcRange && plane==0);
if (!dst[plane]) continue;
// ignore palette for GRAY8
length*=2;
fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128);
} else {
- if(is9_OR_10BPS(c->srcFormat)) {
+ if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
+ || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
+ ) {
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;
+ uint16_t *dstPtr2 = (uint16_t*)dstPtr;
- 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 (dst_depth == 8) {
+ if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
+ DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
+ } else {
+ DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
}
- 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 (src_depth == 8) {
+ for (i = 0; i < height; i++) {
+ #define COPY816(w)\
+ if(shiftonly){\
+ for (j = 0; j < length; j++)\
+ w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\
+ }else{\
+ for (j = 0; j < length; j++)\
+ w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\
+ (srcPtr[j]>>(2*8-dst_depth)));\
}
- } else {
- if (isBE(c->srcFormat)) {
- COPY9_OR_10TO16(AV_RB16, AV_WL16);
+ if(isBE(c->dstFormat)){
+ COPY816(AV_WB16)
} else {
- COPY9_OR_10TO16(AV_RL16, AV_WL16);
+ COPY816(AV_WL16)
}
+ dstPtr2 += dstStride[plane]/2;
+ srcPtr += srcStride[plane];
}
- } 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) { \
- DITHER_COPY(dstPtr2, dstStride[plane]/2, wfunc, \
- srcPtr2, srcStride[plane]/2, rfunc, \
- dither_8x8_1, 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 if (src_depth <= dst_depth) {
+ for (i = 0; i < height; i++) {
+#define COPY_UP(r,w) \
+ if(shiftonly){\
+ for (j = 0; j < length; j++){ \
+ unsigned int v= r(&srcPtr2[j]);\
+ w(&dstPtr2[j], v<<(dst_depth-src_depth));\
+ }\
+ }else{\
+ for (j = 0; j < length; j++){ \
+ unsigned int v= r(&srcPtr2[j]);\
+ w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
+ (v>>(2*src_depth-dst_depth)));\
+ }\
+ }
+ if(isBE(c->srcFormat)){
+ if(isBE(c->dstFormat)){
+ COPY_UP(AV_RB16, AV_WB16)
+ } else {
+ COPY_UP(AV_RB16, AV_WL16)
+ }
} else {
- COPY9_OR_10TO9_OR_10_2(AV_RL16, AV_WL16);
+ if(isBE(c->dstFormat)){
+ COPY_UP(AV_RL16, AV_WB16)
+ } else {
+ COPY_UP(AV_RL16, AV_WL16)
+ }
}
+ dstPtr2 += dstStride[plane]/2;
+ srcPtr2 += srcStride[plane]/2;
}
} else {
-#define W8(a, b) { *(a) = (b); }
-#define COPY9_OR_10TO8(rfunc) \
- if (src_depth == 9) { \
- DITHER_COPY(dstPtr, dstStride[plane], W8, \
- srcPtr2, srcStride[plane]/2, rfunc, \
- dither_8x8_1, 1); \
- } else { \
- DITHER_COPY(dstPtr, dstStride[plane], W8, \
- srcPtr2, srcStride[plane]/2, rfunc, \
- dither_8x8_3, 2); \
- }
- if (isBE(c->srcFormat)) {
- COPY9_OR_10TO8(AV_RB16);
- } else {
- COPY9_OR_10TO8(AV_RL16);
- }
- }
- } 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) \
- if (dst_depth == 9) { \
- DITHER_COPY(dstPtr2, dstStride[plane]/2, wfunc, \
- srcPtr2, srcStride[plane]/2, rfunc, \
- dither_8x8_128, 7); \
- } else { \
- DITHER_COPY(dstPtr2, dstStride[plane]/2, wfunc, \
- srcPtr2, srcStride[plane]/2, rfunc, \
- dither_8x8_64, 6); \
- }
- if (isBE(c->dstFormat)) {
- if (isBE(c->srcFormat)) {
- COPY16TO9_OR_10(AV_RB16, AV_WB16);
+ if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
+ if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
+ DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
} else {
- COPY16TO9_OR_10(AV_RL16, AV_WB16);
+ DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
}
- } else {
- if (isBE(c->srcFormat)) {
- COPY16TO9_OR_10(AV_RB16, AV_WL16);
+ }else{
+ if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
+ DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
} else {
- COPY16TO9_OR_10(AV_RL16, AV_WL16);
+ DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
}
}
- } 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);
- } else {
- COPY8TO9_OR_10(AV_WL16);
- }
- }
- } else if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) {
- const uint16_t *srcPtr2 = (const uint16_t*)srcPtr;
-#define COPY16TO8(rfunc) \
- DITHER_COPY(dstPtr, dstStride[plane], W8, \
- srcPtr2, srcStride[plane]/2, rfunc, \
- dither_8x8_256, 8);
- if (isBE(c->srcFormat)) {
- COPY16TO8(AV_RB16);
- } else {
- COPY16TO8(AV_RL16);
- }
- } 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];
- }
- srcPtr+= srcStride[plane];
- dstPtr+= dstStride[plane];
}
} else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)
&& isBE(c->srcFormat) != isBE(c->dstFormat)) {
* 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 sws_scale(struct SwsContext *c, const uint8_t* const srcSlice[],
+ 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]};
+ const uint8_t* src2[4]= {srcSlice[0], srcSlice[1], srcSlice[2], srcSlice[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)) {
+ if (!check_image_pointers(srcSlice, c->srcFormat, srcStride)) {
av_log(c, AV_LOG_ERROR, "bad src image pointers\n");
return 0;
}
if (usePal(c->srcFormat)) {
for (i=0; i<256; i++) {
- int p, r, g, b,y,u,v;
+ int p, r, g, b, y, u, v, a = 0xff;
if(c->srcFormat == PIX_FMT_PAL8) {
- p=((const uint32_t*)(src[1]))[i];
+ p=((const uint32_t*)(srcSlice[1]))[i];
+ a= (p>>24)&0xFF;
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) {
+ } else if(c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_GRAY8A) {
r = g = b = i;
} else {
assert(c->srcFormat == PIX_FMT_BGR4_BYTE);
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);
+ c->pal_yuv[i]= y + (u<<8) + (v<<16) + (a<<24);
switch(c->dstFormat) {
case PIX_FMT_BGR32:
#if !HAVE_BIGENDIAN
case PIX_FMT_RGB24:
#endif
- c->pal_rgb[i]= r + (g<<8) + (b<<16);
+ c->pal_rgb[i]= r + (g<<8) + (b<<16) + (a<<24);
break;
case PIX_FMT_BGR32_1:
#if HAVE_BIGENDIAN
case PIX_FMT_BGR24:
#endif
- c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8;
+ c->pal_rgb[i]= a + (r<<8) + (g<<16) + (b<<24);
break;
case PIX_FMT_RGB32_1:
#if HAVE_BIGENDIAN
case PIX_FMT_RGB24:
#endif
- c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8;
+ c->pal_rgb[i]= a + (b<<8) + (g<<16) + (r<<24);
break;
case PIX_FMT_RGB32:
#if !HAVE_BIGENDIAN
case PIX_FMT_BGR24:
#endif
default:
- c->pal_rgb[i]= b + (g<<8) + (r<<16);
+ c->pal_rgb[i]= b + (g<<8) + (r<<16) + (a<<24);
}
}
}
projects / ffmpeg / blobdiff