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Diffstat (limited to 'ffmpeg1/libswscale/swscale_unscaled.c')
-rw-r--r--ffmpeg1/libswscale/swscale_unscaled.c1146
1 files changed, 0 insertions, 1146 deletions
diff --git a/ffmpeg1/libswscale/swscale_unscaled.c b/ffmpeg1/libswscale/swscale_unscaled.c
deleted file mode 100644
index 4a22fca..0000000
--- a/ffmpeg1/libswscale/swscale_unscaled.c
+++ /dev/null
@@ -1,1146 +0,0 @@
-/*
- * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of FFmpeg.
- *
- * 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.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <inttypes.h>
-#include <string.h>
-#include <math.h>
-#include <stdio.h>
-#include "config.h"
-#include "swscale.h"
-#include "swscale_internal.h"
-#include "rgb2rgb.h"
-#include "libavutil/intreadwrite.h"
-#include "libavutil/cpu.h"
-#include "libavutil/avutil.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/bswap.h"
-#include "libavutil/pixdesc.h"
-#include "libavutil/avassert.h"
-
-DECLARE_ALIGNED(8, const uint8_t, dithers)[8][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,},
-},{
- { 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,},
-},{
- { 2, 4, 3, 5, 2, 4, 3, 5,},
- { 6, 0, 7, 1, 6, 0, 7, 1,},
- { 3, 5, 2, 4, 3, 5, 2, 4,},
- { 7, 1, 6, 0, 7, 1, 6, 0,},
- { 2, 4, 3, 5, 2, 4, 3, 5,},
- { 6, 0, 7, 1, 6, 0, 7, 1,},
- { 3, 5, 2, 4, 3, 5, 2, 4,},
- { 7, 1, 6, 0, 7, 1, 6, 0,},
-},{
- { 4, 8, 7, 11, 4, 8, 7, 11,},
- { 12, 0, 15, 3, 12, 0, 15, 3,},
- { 6, 10, 5, 9, 6, 10, 5, 9,},
- { 14, 2, 13, 1, 14, 2, 13, 1,},
- { 4, 8, 7, 11, 4, 8, 7, 11,},
- { 12, 0, 15, 3, 12, 0, 15, 3,},
- { 6, 10, 5, 9, 6, 10, 5, 9,},
- { 14, 2, 13, 1, 14, 2, 13, 1,},
-},{
- { 9, 17, 15, 23, 8, 16, 14, 22,},
- { 25, 1, 31, 7, 24, 0, 30, 6,},
- { 13, 21, 11, 19, 12, 20, 10, 18,},
- { 29, 5, 27, 3, 28, 4, 26, 2,},
- { 8, 16, 14, 22, 9, 17, 15, 23,},
- { 24, 0, 30, 6, 25, 1, 31, 7,},
- { 12, 20, 10, 18, 13, 21, 11, 19,},
- { 28, 4, 26, 2, 29, 5, 27, 3,},
-},{
- { 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,},
-},{
- { 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,},
-},{
- { 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,},
-}};
-
-const uint16_t dither_scale[15][16]={
-{ 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,},
-{ 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,},
-{ 3, 3, 4, 15, 15, 29, 57, 57, 57, 113, 113, 113, 113, 113, 113, 113,},
-{ 3, 4, 4, 5, 31, 31, 61, 121, 241, 241, 241, 241, 481, 481, 481, 481,},
-{ 3, 4, 5, 5, 6, 63, 63, 125, 249, 497, 993, 993, 993, 993, 993, 1985,},
-{ 3, 5, 6, 6, 6, 7, 127, 127, 253, 505, 1009, 2017, 4033, 4033, 4033, 4033,},
-{ 3, 5, 6, 7, 7, 7, 8, 255, 255, 509, 1017, 2033, 4065, 8129,16257,16257,},
-{ 3, 5, 6, 8, 8, 8, 8, 9, 511, 511, 1021, 2041, 4081, 8161,16321,32641,},
-{ 3, 5, 7, 8, 9, 9, 9, 9, 10, 1023, 1023, 2045, 4089, 8177,16353,32705,},
-{ 3, 5, 7, 8, 10, 10, 10, 10, 10, 11, 2047, 2047, 4093, 8185,16369,32737,},
-{ 3, 5, 7, 8, 10, 11, 11, 11, 11, 11, 12, 4095, 4095, 8189,16377,32753,},
-{ 3, 5, 7, 9, 10, 12, 12, 12, 12, 12, 12, 13, 8191, 8191,16381,32761,},
-{ 3, 5, 7, 9, 10, 12, 13, 13, 13, 13, 13, 13, 14,16383,16383,32765,},
-{ 3, 5, 7, 9, 10, 12, 14, 14, 14, 14, 14, 14, 14, 15,32767,32767,},
-{ 3, 5, 7, 9, 11, 12, 14, 15, 15, 15, 15, 15, 15, 15, 16,65535,},
-};
-
-
-static void fillPlane(uint8_t *plane, int stride, int width, int height, int y,
- uint8_t val)
-{
- int i;
- uint8_t *ptr = plane + stride * y;
- for (i = 0; i < height; i++) {
- memset(ptr, val, width);
- ptr += stride;
- }
-}
-
-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;
- }
- }
-}
-
-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 == AV_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];
-}
-
-static void gray8aToPacked24(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 << 1] * 4 + 0];
- dst[1] = palette[src[i << 1] * 4 + 1];
- dst[2] = palette[src[i << 1] * 4 + 2];
- dst += 3;
- }
-}
-
-static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
- int srcStride[], int srcSliceY, int srcSliceH,
- uint8_t *dst[], int dstStride[])
-{
- int i, j;
- int srcstr = srcStride[0] >> 1;
- int dststr = dstStride[0] >> 1;
- uint16_t *dstPtr = (uint16_t *) dst[0];
- const uint16_t *srcPtr = (const uint16_t *) src[0];
- int min_stride = FFMIN(srcstr, dststr);
-
- for (i = 0; i < srcSliceH; i++) {
- for (j = 0; j < min_stride; j++) {
- dstPtr[j] = av_bswap16(srcPtr[j]);
- }
- srcPtr += srcstr;
- dstPtr += dststr;
- }
-
- return srcSliceH;
-}
-
-static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
- int srcSliceY, int srcSliceH, uint8_t *dst[],
- int dstStride[])
-{
- const enum AVPixelFormat srcFormat = c->srcFormat;
- const enum AVPixelFormat 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 == AV_PIX_FMT_GRAY8A) {
- switch (dstFormat) {
- case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
- case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
- case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
- case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
- case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
- case AV_PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
- }
- } else if (usePal(srcFormat)) {
- switch (dstFormat) {
- case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
- case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
- case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
- case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
- case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
- case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
- }
- }
-
- if (!conv)
- av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- 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);
- srcPtr += srcStride[0];
- dstPtr += dstStride[0];
- }
- }
-
- return srcSliceH;
-}
-
-static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
- uint8_t *dst, int dstStride, int srcSliceH,
- int width)
-{
- int x, h, i;
- for (h = 0; h < srcSliceH; h++) {
- uint8_t *dest = dst + dstStride * h;
- for (x = 0; x < width; x++) {
- *dest++ = src[0][x];
- *dest++ = src[1][x];
- *dest++ = src[2][x];
- }
-
- for (i = 0; i < 3; i++)
- src[i] += srcStride[i];
- }
-}
-
-static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
- uint8_t *dst, int dstStride, int srcSliceH,
- int alpha_first, int width)
-{
- int x, h, i;
- for (h = 0; h < srcSliceH; h++) {
- uint8_t *dest = dst + dstStride * h;
-
- if (alpha_first) {
- for (x = 0; x < width; x++) {
- *dest++ = 0xff;
- *dest++ = src[0][x];
- *dest++ = src[1][x];
- *dest++ = src[2][x];
- }
- } else {
- for (x = 0; x < width; x++) {
- *dest++ = src[0][x];
- *dest++ = src[1][x];
- *dest++ = src[2][x];
- *dest++ = 0xff;
- }
- }
-
- for (i = 0; i < 3; i++)
- src[i] += srcStride[i];
- }
-}
-
-static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
- int srcStride[], int srcSliceY, int srcSliceH,
- uint8_t *dst[], int dstStride[])
-{
- int alpha_first = 0;
- const uint8_t *src102[] = { src[1], src[0], src[2] };
- const uint8_t *src201[] = { src[2], src[0], src[1] };
- int stride102[] = { srcStride[1], srcStride[0], srcStride[2] };
- int stride201[] = { srcStride[2], srcStride[0], srcStride[1] };
-
- if (c->srcFormat != AV_PIX_FMT_GBRP) {
- av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
- av_get_pix_fmt_name(c->srcFormat),
- av_get_pix_fmt_name(c->dstFormat));
- return srcSliceH;
- }
-
- switch (c->dstFormat) {
- case AV_PIX_FMT_BGR24:
- gbr24ptopacked24(src102, stride102,
- dst[0] + srcSliceY * dstStride[0], dstStride[0],
- srcSliceH, c->srcW);
- break;
-
- case AV_PIX_FMT_RGB24:
- gbr24ptopacked24(src201, stride201,
- dst[0] + srcSliceY * dstStride[0], dstStride[0],
- srcSliceH, c->srcW);
- break;
-
- case AV_PIX_FMT_ARGB:
- alpha_first = 1;
- case AV_PIX_FMT_RGBA:
- gbr24ptopacked32(src201, stride201,
- dst[0] + srcSliceY * dstStride[0], dstStride[0],
- srcSliceH, alpha_first, c->srcW);
- break;
-
- case AV_PIX_FMT_ABGR:
- alpha_first = 1;
- case AV_PIX_FMT_BGRA:
- gbr24ptopacked32(src102, stride102,
- dst[0] + srcSliceY * dstStride[0], dstStride[0],
- srcSliceH, alpha_first, c->srcW);
- break;
-
- default:
- av_log(c, AV_LOG_ERROR,
- "unsupported planar RGB conversion %s -> %s\n",
- av_get_pix_fmt_name(c->srcFormat),
- av_get_pix_fmt_name(c->dstFormat));
- }
-
- return srcSliceH;
-}
-
-static void packedtogbr24p(const uint8_t *src, int srcStride,
- uint8_t *dst[], int dstStride[], int srcSliceH,
- int alpha_first, int inc_size, int width)
-{
- uint8_t *dest[3];
- int x, h;
-
- dest[0] = dst[0];
- dest[1] = dst[1];
- dest[2] = dst[2];
-
- if (alpha_first)
- src++;
-
- for (h = 0; h < srcSliceH; h++) {
- for (x = 0; x < width; x++) {
- dest[0][x] = src[0];
- dest[1][x] = src[1];
- dest[2][x] = src[2];
-
- src += inc_size;
- }
- src += srcStride - width * inc_size;
- dest[0] += dstStride[0];
- dest[1] += dstStride[1];
- dest[2] += dstStride[2];
- }
-}
-
-static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
- int srcStride[], int srcSliceY, int srcSliceH,
- uint8_t *dst[], int dstStride[])
-{
- int alpha_first = 0;
- int stride102[] = { dstStride[1], dstStride[0], dstStride[2] };
- int stride201[] = { dstStride[2], dstStride[0], dstStride[1] };
- uint8_t *dst102[] = { dst[1] + srcSliceY * dstStride[1],
- dst[0] + srcSliceY * dstStride[0],
- dst[2] + srcSliceY * dstStride[2] };
- uint8_t *dst201[] = { dst[2] + srcSliceY * dstStride[2],
- dst[0] + srcSliceY * dstStride[0],
- dst[1] + srcSliceY * dstStride[1] };
-
- switch (c->srcFormat) {
- case AV_PIX_FMT_RGB24:
- packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
- stride201, srcSliceH, alpha_first, 3, c->srcW);
- break;
- case AV_PIX_FMT_BGR24:
- packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
- stride102, srcSliceH, alpha_first, 3, c->srcW);
- break;
- case AV_PIX_FMT_ARGB:
- alpha_first = 1;
- case AV_PIX_FMT_RGBA:
- packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
- stride201, srcSliceH, alpha_first, 4, c->srcW);
- break;
- case AV_PIX_FMT_ABGR:
- alpha_first = 1;
- case AV_PIX_FMT_BGRA:
- packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
- stride102, srcSliceH, alpha_first, 4, c->srcW);
- break;
- default:
- av_log(c, AV_LOG_ERROR,
- "unsupported planar RGB conversion %s -> %s\n",
- av_get_pix_fmt_name(c->srcFormat),
- av_get_pix_fmt_name(c->dstFormat));
- }
-
- return srcSliceH;
-}
-
-#define isRGBA32(x) ( \
- (x) == AV_PIX_FMT_ARGB \
- || (x) == AV_PIX_FMT_RGBA \
- || (x) == AV_PIX_FMT_BGRA \
- || (x) == AV_PIX_FMT_ABGR \
- )
-
-#define isRGBA64(x) ( \
- (x) == AV_PIX_FMT_RGBA64LE \
- || (x) == AV_PIX_FMT_RGBA64BE \
- || (x) == AV_PIX_FMT_BGRA64LE \
- || (x) == AV_PIX_FMT_BGRA64BE \
- )
-
-#define isRGB48(x) ( \
- (x) == AV_PIX_FMT_RGB48LE \
- || (x) == AV_PIX_FMT_RGB48BE \
- || (x) == AV_PIX_FMT_BGR48LE \
- || (x) == AV_PIX_FMT_BGR48BE \
- )
-
-/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
-typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
-static rgbConvFn findRgbConvFn(SwsContext *c)
-{
- const enum AVPixelFormat srcFormat = c->srcFormat;
- const enum AVPixelFormat dstFormat = c->dstFormat;
- const int srcId = c->srcFormatBpp;
- const int dstId = c->dstFormatBpp;
- rgbConvFn conv = NULL;
-
-#define IS_NOT_NE(bpp, desc) \
- (((bpp + 7) >> 3) == 2 && \
- (!(desc->flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))
-
-#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_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 if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
- if (CONV_IS(RGB48LE, BGR48LE)
- || CONV_IS(BGR48LE, RGB48LE)
- || CONV_IS(RGB48BE, BGR48BE)
- || CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap;
- else if (CONV_IS(RGB48LE, BGR48BE)
- || CONV_IS(BGR48LE, RGB48BE)
- || CONV_IS(RGB48BE, BGR48LE)
- || CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap;
- } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {
- if (CONV_IS(RGBA64LE, BGR48LE)
- || CONV_IS(BGRA64LE, RGB48LE)
- || CONV_IS(RGBA64BE, BGR48BE)
- || CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap;
- else if (CONV_IS(RGBA64LE, BGR48BE)
- || CONV_IS(BGRA64LE, RGB48BE)
- || CONV_IS(RGBA64BE, BGR48LE)
- || CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
- else if (CONV_IS(RGBA64LE, RGB48LE)
- || CONV_IS(BGRA64LE, BGR48LE)
- || CONV_IS(RGBA64BE, RGB48BE)
- || CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
- else if (CONV_IS(RGBA64LE, RGB48BE)
- || CONV_IS(BGRA64LE, BGR48BE)
- || CONV_IS(RGBA64BE, RGB48LE)
- || CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
- } else
- /* BGR -> BGR */
- if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
- (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
- switch (srcId | (dstId << 16)) {
- case 0x000F000C: conv = rgb12to15; break;
- case 0x000F0010: conv = rgb16to15; break;
- case 0x000F0018: conv = rgb24to15; break;
- case 0x000F0020: conv = rgb32to15; break;
- case 0x0010000F: conv = rgb15to16; break;
- case 0x00100018: conv = rgb24to16; break;
- case 0x00100020: conv = rgb32to16; break;
- case 0x0018000F: conv = rgb15to24; break;
- case 0x00180010: conv = rgb16to24; break;
- case 0x00180020: conv = rgb32to24; break;
- case 0x0020000F: conv = rgb15to32; break;
- case 0x00200010: conv = rgb16to32; break;
- case 0x00200018: conv = rgb24to32; break;
- }
- } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
- (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
- switch (srcId | (dstId << 16)) {
- case 0x000C000C: conv = rgb12tobgr12; break;
- case 0x000F000F: conv = rgb15tobgr15; break;
- case 0x000F0010: conv = rgb16tobgr15; break;
- case 0x000F0018: conv = rgb24tobgr15; break;
- case 0x000F0020: conv = rgb32tobgr15; break;
- case 0x0010000F: conv = rgb15tobgr16; break;
- case 0x00100010: conv = rgb16tobgr16; break;
- case 0x00100018: conv = rgb24tobgr16; break;
- case 0x00100020: conv = rgb32tobgr16; break;
- case 0x0018000F: conv = rgb15tobgr24; break;
- case 0x00180010: conv = rgb16tobgr24; break;
- case 0x00180018: conv = rgb24tobgr24; break;
- case 0x00180020: conv = rgb32tobgr24; break;
- case 0x0020000F: conv = rgb15tobgr32; break;
- case 0x00200010: conv = rgb16tobgr32; break;
- case 0x00200018: conv = rgb24tobgr32; break;
- }
- }
-
- if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0)
- return NULL;
-
- return conv;
-}
-
-/* {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 AVPixelFormat srcFormat = c->srcFormat;
- const enum AVPixelFormat dstFormat = c->dstFormat;
- const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
- const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
- const int srcBpp = (c->srcFormatBpp + 7) >> 3;
- const int dstBpp = (c->dstFormatBpp + 7) >> 3;
- rgbConvFn conv = findRgbConvFn(c);
-
- if (!conv) {
- av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
- av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
- } else {
- const uint8_t *srcPtr = src[0];
- uint8_t *dstPtr = dst[0];
- int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
- int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
-
- if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
- !isRGBA32(dstFormat))
- srcPtr += ALT32_CORR;
-
- if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
- !isRGBA32(srcFormat))
- dstPtr += ALT32_CORR;
-
- if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
- !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)
- conv(srcPtr, dstPtr + dstStride[0] * srcSliceY,
- srcSliceH * srcStride[0]);
- else {
- int i, j;
- dstPtr += dstStride[0] * srcSliceY;
-
- for (i = 0; i < srcSliceH; i++) {
- if(src_bswap) {
- for(j=0; j<c->srcW; j++)
- ((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]);
- conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp);
- }else
- conv(srcPtr, dstPtr, c->srcW * srcBpp);
- if(dst_bswap)
- for(j=0; j<c->srcW; j++)
- ((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]);
- srcPtr += srcStride[0];
- dstPtr += dstStride[0];
- }
- }
- }
- 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;
-}
-
-/* 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;
- av_assert1(length != 0);
-
- for (i = 0; i < srcSliceH; i++) {
- memcpy(dstPtr, srcPtr, length);
- srcPtr += srcStride[0];
- dstPtr += dstStride[0];
- }
- }
- return srcSliceH;
-}
-
-#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[])
-{
- const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
- const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
- 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;
- int shiftonly= plane==1 || plane==2 || (!c->srcRange && plane==0);
-
- 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) || isNBPS(c->dstFormat)) {
- fillPlane16(dst[plane], dstStride[plane], length, height, y,
- plane == 3, desc_dst->comp[plane].depth_minus1,
- isBE(c->dstFormat));
- } else {
- fillPlane(dst[plane], dstStride[plane], length, height, y,
- (plane == 3) ? 255 : 128);
- }
- } else {
- if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
- || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
- ) {
- const int src_depth = desc_src->comp[plane].depth_minus1 + 1;
- const int dst_depth = desc_dst->comp[plane].depth_minus1 + 1;
- const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
- uint16_t *dstPtr2 = (uint16_t*)dstPtr;
-
- 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, )
- }
- } 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)));\
- }
- if(isBE(c->dstFormat)){
- COPY816(AV_WB16)
- } else {
- COPY816(AV_WL16)
- }
- dstPtr2 += dstStride[plane]/2;
- srcPtr += srcStride[plane];
- }
- } else if (src_depth <= dst_depth) {
- int orig_length = length;
- for (i = 0; i < height; i++) {
- if(isBE(c->srcFormat) == HAVE_BIGENDIAN &&
- isBE(c->dstFormat) == HAVE_BIGENDIAN &&
- shiftonly) {
- unsigned shift = dst_depth - src_depth;
- length = orig_length;
-#if HAVE_FAST_64BIT
-#define FAST_COPY_UP(shift) \
- for (j = 0; j < length - 3; j += 4) { \
- uint64_t v = AV_RN64A(srcPtr2 + j); \
- AV_WN64A(dstPtr2 + j, v << shift); \
- } \
- length &= 3;
-#else
-#define FAST_COPY_UP(shift) \
- for (j = 0; j < length - 1; j += 2) { \
- uint32_t v = AV_RN32A(srcPtr2 + j); \
- AV_WN32A(dstPtr2 + j, v << shift); \
- } \
- length &= 1;
-#endif
- switch (shift)
- {
- case 6: FAST_COPY_UP(6); break;
- case 7: FAST_COPY_UP(7); break;
- }
- }
-#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 {
- 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 {
- if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
- if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
- DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
- } else {
- DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
- }
- }else{
- if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
- DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
- } else {
- DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
- }
- }
- }
- } 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 (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;
- else if (!desc_src->comp[0].depth_minus1)
- length >>= 3; // monowhite/black
- for (i = 0; i < height; i++) {
- memcpy(dstPtr, srcPtr, length);
- srcPtr += srcStride[plane];
- dstPtr += dstStride[plane];
- }
- }
- }
- }
- return srcSliceH;
-}
-
-
-#define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \
- ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \
- (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
-
-
-void ff_get_unscaled_swscale(SwsContext *c)
-{
- const enum AVPixelFormat srcFormat = c->srcFormat;
- const enum AVPixelFormat 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 == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
- (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
- c->swScale = planarToNv12Wrapper;
- }
- /* yuv2bgr */
- if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
- srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
- !(flags & (SWS_ACCURATE_RND|SWS_ERROR_DIFFUSION)) && !(dstH & 1)) {
- c->swScale = ff_yuv2rgb_get_func_ptr(c);
- }
-
- if (srcFormat == AV_PIX_FMT_YUV410P &&
- (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
- !(flags & SWS_BITEXACT)) {
- c->swScale = yvu9ToYv12Wrapper;
- }
-
- /* bgr24toYV12 */
- if (srcFormat == AV_PIX_FMT_BGR24 &&
- (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
- !(flags & SWS_ACCURATE_RND))
- c->swScale = bgr24ToYv12Wrapper;
-
- /* RGB/BGR -> RGB/BGR (no dither needed forms) */
- if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
- && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
- c->swScale= rgbToRgbWrapper;
-
-#define isByteRGB(f) ( \
- f == AV_PIX_FMT_RGB32 || \
- f == AV_PIX_FMT_RGB32_1 || \
- f == AV_PIX_FMT_RGB24 || \
- f == AV_PIX_FMT_BGR32 || \
- f == AV_PIX_FMT_BGR32_1 || \
- f == AV_PIX_FMT_BGR24)
-
- if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
- c->swScale = planarRgbToRgbWrapper;
-
- if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth_minus1 == 7 &&
- isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
- c->swScale = rgbToPlanarRgbWrapper;
-
- /* bswap 16 bits per pixel/component packed formats */
- if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
- IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565))
- c->swScale = packed_16bpc_bswap;
-
- if (usePal(srcFormat) && isByteRGB(dstFormat))
- c->swScale = palToRgbWrapper;
-
- if (srcFormat == AV_PIX_FMT_YUV422P) {
- if (dstFormat == AV_PIX_FMT_YUYV422)
- c->swScale = yuv422pToYuy2Wrapper;
- else if (dstFormat == AV_PIX_FMT_UYVY422)
- c->swScale = yuv422pToUyvyWrapper;
- }
-
- /* LQ converters if -sws 0 or -sws 4*/
- if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
- /* yv12_to_yuy2 */
- if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
- if (dstFormat == AV_PIX_FMT_YUYV422)
- c->swScale = planarToYuy2Wrapper;
- else if (dstFormat == AV_PIX_FMT_UYVY422)
- c->swScale = planarToUyvyWrapper;
- }
- }
- if (srcFormat == AV_PIX_FMT_YUYV422 &&
- (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
- c->swScale = yuyvToYuv420Wrapper;
- if (srcFormat == AV_PIX_FMT_UYVY422 &&
- (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
- c->swScale = uyvyToYuv420Wrapper;
- if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
- c->swScale = yuyvToYuv422Wrapper;
- if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
- c->swScale = uyvyToYuv422Wrapper;
-
-#define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_GRAY8A)
- /* simple copy */
- if ( srcFormat == dstFormat ||
- (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
- (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
- (isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
- (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
- (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
- (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
- c->chrDstHSubSample == c->chrSrcHSubSample &&
- c->chrDstVSubSample == c->chrSrcVSubSample &&
- dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
- srcFormat != AV_PIX_FMT_NV12 && srcFormat != AV_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_ALTIVEC)
- ff_swscale_get_unscaled_altivec(c);
-}
-
-/* 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)
-{
- int i;
-
- for (i = 0; i < num_pixels; i++)
- ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
-}
-
-/* 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;
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 19:11:49 +0000