/* * Copyright (C) 2001-2011 Michael Niedermayer * * 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 #include #include #include #include "config.h" #include "swscale.h" #include "swscale_internal.h" #include "rgb2rgb.h" #include "libavutil/intreadwrite.h" #include "libavutil/avutil.h" #include "libavutil/mathematics.h" #include "libavutil/mem_internal.h" #include "libavutil/bswap.h" #include "libavutil/pixdesc.h" #include "libavutil/avassert.h" #include "libavutil/avconfig.h" DECLARE_ALIGNED(8, static 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,}, }}; 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->chrSrcW, (srcSliceH + 1) / 2, srcStride[1], srcStride[2], dstStride[1]); else interleaveBytes(src[2], src[1], dst, c->chrSrcW, (srcSliceH + 1) / 2, srcStride[2], srcStride[1], dstStride[1]); return srcSliceH; } static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[]) { uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY / 2; uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY / 2; copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, dstParam[0], dstStride[0]); if (c->srcFormat == AV_PIX_FMT_NV12) deinterleaveBytes(src[1], dst1, dst2, c->chrSrcW, (srcSliceH + 1) / 2, srcStride[1], dstStride[1], dstStride[2]); else deinterleaveBytes(src[1], dst2, dst1, c->chrSrcW, (srcSliceH + 1) / 2, srcStride[1], dstStride[2], dstStride[1]); return srcSliceH; } static int planarToNv24Wrapper(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; copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, dstParam[0], dstStride[0]); if (c->dstFormat == AV_PIX_FMT_NV24) interleaveBytes(src[1], src[2], dst, c->chrSrcW, srcSliceH, srcStride[1], srcStride[2], dstStride[1]); else interleaveBytes(src[2], src[1], dst, c->chrSrcW, srcSliceH, srcStride[2], srcStride[1], dstStride[1]); return srcSliceH; } static int nv24ToPlanarWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[]) { uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY; uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY; copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, dstParam[0], dstStride[0]); if (c->srcFormat == AV_PIX_FMT_NV24) deinterleaveBytes(src[1], dst1, dst2, c->chrSrcW, srcSliceH, srcStride[1], dstStride[1], dstStride[2]); else deinterleaveBytes(src[1], dst2, dst1, c->chrSrcW, srcSliceH, srcStride[1], dstStride[2], dstStride[1]); return srcSliceH; } static int planarToP01xWrapper(SwsContext *c, const uint8_t *src8[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam8[], int dstStride[]) { const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat); const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat); const uint16_t **src = (const uint16_t**)src8; uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY); uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2); int x, y; /* Calculate net shift required for values. */ const int shift[3] = { dst_format->comp[0].depth + dst_format->comp[0].shift - src_format->comp[0].depth - src_format->comp[0].shift, dst_format->comp[1].depth + dst_format->comp[1].shift - src_format->comp[1].depth - src_format->comp[1].shift, dst_format->comp[2].depth + dst_format->comp[2].shift - src_format->comp[2].depth - src_format->comp[2].shift, }; av_assert0(!(srcStride[0] % 2 || srcStride[1] % 2 || srcStride[2] % 2 || dstStride[0] % 2 || dstStride[1] % 2)); for (y = 0; y < srcSliceH; y++) { uint16_t *tdstY = dstY; const uint16_t *tsrc0 = src[0]; for (x = c->srcW; x > 0; x--) { *tdstY++ = *tsrc0++ << shift[0]; } src[0] += srcStride[0] / 2; dstY += dstStride[0] / 2; if (!(y & 1)) { uint16_t *tdstUV = dstUV; const uint16_t *tsrc1 = src[1]; const uint16_t *tsrc2 = src[2]; for (x = c->srcW / 2; x > 0; x--) { *tdstUV++ = *tsrc1++ << shift[1]; *tdstUV++ = *tsrc2++ << shift[2]; } src[1] += srcStride[1] / 2; src[2] += srcStride[2] / 2; dstUV += dstStride[1] / 2; } } return srcSliceH; } #if AV_HAVE_BIGENDIAN #define output_pixel(p, v) do { \ uint16_t *pp = (p); \ AV_WL16(pp, (v)); \ } while(0) #else #define output_pixel(p, v) (*p) = (v) #endif static int planar8ToP01xleWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam8[], int dstStride[]) { uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY); uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2); int x, y, t; av_assert0(!(dstStride[0] % 2 || dstStride[1] % 2)); for (y = 0; y < srcSliceH; y++) { uint16_t *tdstY = dstY; const uint8_t *tsrc0 = src[0]; for (x = c->srcW; x > 0; x--) { t = *tsrc0++; output_pixel(tdstY++, t | (t << 8)); } src[0] += srcStride[0]; dstY += dstStride[0] / 2; if (!(y & 1)) { uint16_t *tdstUV = dstUV; const uint8_t *tsrc1 = src[1]; const uint8_t *tsrc2 = src[2]; for (x = c->srcW / 2; x > 0; x--) { t = *tsrc1++; output_pixel(tdstUV++, t | (t << 8)); t = *tsrc2++; output_pixel(tdstUV++, t | (t << 8)); } src[1] += srcStride[1]; src[2] += srcStride[2]; dstUV += dstStride[1] / 2; } } return srcSliceH; } #undef output_pixel 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 bswap_16bpc(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { int i, j, p; for (p = 0; p < 4; p++) { int srcstr = srcStride[p] / 2; int dststr = dstStride[p] / 2; uint16_t *dstPtr = (uint16_t *) dst[p]; const uint16_t *srcPtr = (const uint16_t *) src[p]; int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr)); if(!dstPtr || !srcPtr) continue; dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr; for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) { for (j = 0; j < min_stride; j++) { dstPtr[j] = av_bswap16(srcPtr[j]); } srcPtr += srcstr; dstPtr += dststr; } } return srcSliceH; } static int bswap_32bpc(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { int i, j, p; for (p = 0; p < 4; p++) { int srcstr = srcStride[p] / 4; int dststr = dstStride[p] / 4; uint32_t *dstPtr = (uint32_t *) dst[p]; const uint32_t *srcPtr = (const uint32_t *) src[p]; int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr)); if(!dstPtr || !srcPtr) continue; dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr; for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) { for (j = 0; j < min_stride; j++) { dstPtr[j] = av_bswap32(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_YA8) { 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 packed16togbra16(const uint8_t *src, int srcStride, uint16_t *dst[], int dstStride[], int srcSliceH, int src_alpha, int swap, int shift, int width) { int x, h, i; int dst_alpha = dst[3] != NULL; for (h = 0; h < srcSliceH; h++) { uint16_t *src_line = (uint16_t *)(src + srcStride * h); switch (swap) { case 3: if (src_alpha && dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[3][x] = av_bswap16(av_bswap16(*src_line++) >> shift); } } else if (dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[3][x] = 0xFFFF; } } else if (src_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift); src_line++; } } else { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift); dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift); } } break; case 2: if (src_alpha && dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++ >> shift); dst[1][x] = av_bswap16(*src_line++ >> shift); dst[2][x] = av_bswap16(*src_line++ >> shift); dst[3][x] = av_bswap16(*src_line++ >> shift); } } else if (dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++ >> shift); dst[1][x] = av_bswap16(*src_line++ >> shift); dst[2][x] = av_bswap16(*src_line++ >> shift); dst[3][x] = 0xFFFF; } } else if (src_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++ >> shift); dst[1][x] = av_bswap16(*src_line++ >> shift); dst[2][x] = av_bswap16(*src_line++ >> shift); src_line++; } } else { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++ >> shift); dst[1][x] = av_bswap16(*src_line++ >> shift); dst[2][x] = av_bswap16(*src_line++ >> shift); } } break; case 1: if (src_alpha && dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++) >> shift; dst[1][x] = av_bswap16(*src_line++) >> shift; dst[2][x] = av_bswap16(*src_line++) >> shift; dst[3][x] = av_bswap16(*src_line++) >> shift; } } else if (dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++) >> shift; dst[1][x] = av_bswap16(*src_line++) >> shift; dst[2][x] = av_bswap16(*src_line++) >> shift; dst[3][x] = 0xFFFF; } } else if (src_alpha) { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++) >> shift; dst[1][x] = av_bswap16(*src_line++) >> shift; dst[2][x] = av_bswap16(*src_line++) >> shift; src_line++; } } else { for (x = 0; x < width; x++) { dst[0][x] = av_bswap16(*src_line++) >> shift; dst[1][x] = av_bswap16(*src_line++) >> shift; dst[2][x] = av_bswap16(*src_line++) >> shift; } } break; default: if (src_alpha && dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = *src_line++ >> shift; dst[1][x] = *src_line++ >> shift; dst[2][x] = *src_line++ >> shift; dst[3][x] = *src_line++ >> shift; } } else if (dst_alpha) { for (x = 0; x < width; x++) { dst[0][x] = *src_line++ >> shift; dst[1][x] = *src_line++ >> shift; dst[2][x] = *src_line++ >> shift; dst[3][x] = 0xFFFF; } } else if (src_alpha) { for (x = 0; x < width; x++) { dst[0][x] = *src_line++ >> shift; dst[1][x] = *src_line++ >> shift; dst[2][x] = *src_line++ >> shift; src_line++; } } else { for (x = 0; x < width; x++) { dst[0][x] = *src_line++ >> shift; dst[1][x] = *src_line++ >> shift; dst[2][x] = *src_line++ >> shift; } } } for (i = 0; i < 4; i++) dst[i] += dstStride[i] >> 1; } } static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { uint16_t *dst2013[] = { (uint16_t *)dst[2], (uint16_t *)dst[0], (uint16_t *)dst[1], (uint16_t *)dst[3] }; uint16_t *dst1023[] = { (uint16_t *)dst[1], (uint16_t *)dst[0], (uint16_t *)dst[2], (uint16_t *)dst[3] }; int stride2013[] = { dstStride[2], dstStride[0], dstStride[1], dstStride[3] }; int stride1023[] = { dstStride[1], dstStride[0], dstStride[2], dstStride[3] }; const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat); const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat); int bpc = dst_format->comp[0].depth; int alpha = src_format->flags & AV_PIX_FMT_FLAG_ALPHA; int swap = 0; int i; if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) || !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE) swap++; if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) || !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE) swap += 2; if ((dst_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) != (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || bpc < 9) { av_log(c, AV_LOG_ERROR, "unsupported conversion to planar RGB %s -> %s\n", src_format->name, dst_format->name); return srcSliceH; } for(i=0; i<4; i++) { dst2013[i] += stride2013[i] * srcSliceY / 2; dst1023[i] += stride1023[i] * srcSliceY / 2; } switch (c->srcFormat) { case AV_PIX_FMT_RGB48LE: case AV_PIX_FMT_RGB48BE: case AV_PIX_FMT_RGBA64LE: case AV_PIX_FMT_RGBA64BE: packed16togbra16(src[0], srcStride[0], dst2013, stride2013, srcSliceH, alpha, swap, 16 - bpc, c->srcW); break; case AV_PIX_FMT_BGR48LE: case AV_PIX_FMT_BGR48BE: case AV_PIX_FMT_BGRA64LE: case AV_PIX_FMT_BGRA64BE: packed16togbra16(src[0], srcStride[0], dst1023, stride1023, srcSliceH, alpha, swap, 16 - bpc, c->srcW); break; default: av_log(c, AV_LOG_ERROR, "unsupported conversion to planar RGB %s -> %s\n", src_format->name, dst_format->name); } return srcSliceH; } static void gbr16ptopacked16(const uint16_t *src[], int srcStride[], uint8_t *dst, int dstStride, int srcSliceH, int alpha, int swap, int bpp, int width) { int x, h, i; int src_alpha = src[3] != NULL; int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2; for (h = 0; h < srcSliceH; h++) { uint16_t *dest = (uint16_t *)(dst + dstStride * h); uint16_t component; switch(swap) { case 3: if (alpha && !src_alpha) { for (x = 0; x < width; x++) { component = av_bswap16(src[0][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); component = av_bswap16(src[1][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); component = av_bswap16(src[2][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); *dest++ = 0xffff; } } else if (alpha && src_alpha) { for (x = 0; x < width; x++) { component = av_bswap16(src[0][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); component = av_bswap16(src[1][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); component = av_bswap16(src[2][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); component = av_bswap16(src[3][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); } } else { for (x = 0; x < width; x++) { component = av_bswap16(src[0][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); component = av_bswap16(src[1][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); component = av_bswap16(src[2][x]); *dest++ = av_bswap16(component << scale_high | component >> scale_low); } } break; case 2: if (alpha && !src_alpha) { for (x = 0; x < width; x++) { *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low); *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low); *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low); *dest++ = 0xffff; } } else if (alpha && src_alpha) { for (x = 0; x < width; x++) { *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low); *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low); *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low); *dest++ = av_bswap16(src[3][x] << scale_high | src[3][x] >> scale_low); } } else { for (x = 0; x < width; x++) { *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low); *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low); *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low); } } break; case 1: if (alpha && !src_alpha) { for (x = 0; x < width; x++) { *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low; *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low; *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low; *dest++ = 0xffff; } } else if (alpha && src_alpha) { for (x = 0; x < width; x++) { *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low; *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low; *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low; *dest++ = av_bswap16(src[3][x]) << scale_high | av_bswap16(src[3][x]) >> scale_low; } } else { for (x = 0; x < width; x++) { *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low; *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low; *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low; } } break; default: if (alpha && !src_alpha) { for (x = 0; x < width; x++) { *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low; *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low; *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low; *dest++ = 0xffff; } } else if (alpha && src_alpha) { for (x = 0; x < width; x++) { *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low; *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low; *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low; *dest++ = src[3][x] << scale_high | src[3][x] >> scale_low; } } else { for (x = 0; x < width; x++) { *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low; *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low; *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low; } } } for (i = 0; i < 3 + src_alpha; i++) src[i] += srcStride[i] >> 1; } } static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2], (uint16_t *)src[3] }; const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1], (uint16_t *)src[3] }; int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] }; int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] }; const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat); const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat); int bits_per_sample = src_format->comp[0].depth; int swap = 0; if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) || !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE) swap++; if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) || !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE) swap += 2; if ((src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) != (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || bits_per_sample <= 8) { av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n", src_format->name, dst_format->name); return srcSliceH; } switch (c->dstFormat) { case AV_PIX_FMT_BGR48LE: case AV_PIX_FMT_BGR48BE: gbr16ptopacked16(src102, stride102, dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, 0, swap, bits_per_sample, c->srcW); break; case AV_PIX_FMT_RGB48LE: case AV_PIX_FMT_RGB48BE: gbr16ptopacked16(src201, stride201, dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, 0, swap, bits_per_sample, c->srcW); break; case AV_PIX_FMT_RGBA64LE: case AV_PIX_FMT_RGBA64BE: gbr16ptopacked16(src201, stride201, dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, 1, swap, bits_per_sample, c->srcW); break; case AV_PIX_FMT_BGRA64LE: case AV_PIX_FMT_BGRA64BE: gbr16ptopacked16(src102, stride102, dst[0] + srcSliceY * dstStride[0], dstStride[0], srcSliceH, 1, swap, bits_per_sample, c->srcW); break; default: av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n", src_format->name, dst_format->name); } 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 void gbraptopacked32(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++ = src[3][x]; *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++ = src[3][x]; } } for (i = 0; i < 4; i++) src[i] += srcStride[i]; } } static int planarRgbaToRgbWrapper(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], src[3] }; const uint8_t *src201[] = { src[2], src[0], src[1], src[3] }; int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] }; int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] }; if (c->srcFormat != AV_PIX_FMT_GBRAP) { 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: gbraptopacked32(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: gbraptopacked32(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 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 int planarRgbToplanarRgbWrapper(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]); copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW, dst[1], dstStride[1]); copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW, dst[2], dstStride[2]); if (dst[3]) fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); 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 BAYER_GBRG #define BAYER_8 #define BAYER_RENAME(x) bayer_gbrg8_to_##x #include "bayer_template.c" #define BAYER_GBRG #define BAYER_16LE #define BAYER_RENAME(x) bayer_gbrg16le_to_##x #include "bayer_template.c" #define BAYER_GBRG #define BAYER_16BE #define BAYER_RENAME(x) bayer_gbrg16be_to_##x #include "bayer_template.c" #define BAYER_GRBG #define BAYER_8 #define BAYER_RENAME(x) bayer_grbg8_to_##x #include "bayer_template.c" #define BAYER_GRBG #define BAYER_16LE #define BAYER_RENAME(x) bayer_grbg16le_to_##x #include "bayer_template.c" #define BAYER_GRBG #define BAYER_16BE #define BAYER_RENAME(x) bayer_grbg16be_to_##x #include "bayer_template.c" #define BAYER_BGGR #define BAYER_8 #define BAYER_RENAME(x) bayer_bggr8_to_##x #include "bayer_template.c" #define BAYER_BGGR #define BAYER_16LE #define BAYER_RENAME(x) bayer_bggr16le_to_##x #include "bayer_template.c" #define BAYER_BGGR #define BAYER_16BE #define BAYER_RENAME(x) bayer_bggr16be_to_##x #include "bayer_template.c" #define BAYER_RGGB #define BAYER_8 #define BAYER_RENAME(x) bayer_rggb8_to_##x #include "bayer_template.c" #define BAYER_RGGB #define BAYER_16LE #define BAYER_RENAME(x) bayer_rggb16le_to_##x #include "bayer_template.c" #define BAYER_RGGB #define BAYER_16BE #define BAYER_RENAME(x) bayer_rggb16be_to_##x #include "bayer_template.c" static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { uint8_t *dstPtr= dst[0] + srcSliceY * dstStride[0]; const uint8_t *srcPtr= src[0]; int i; void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width); void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width); switch(c->srcFormat) { #define CASE(pixfmt, prefix) \ case pixfmt: copy = bayer_##prefix##_to_rgb24_copy; \ interpolate = bayer_##prefix##_to_rgb24_interpolate; \ break; CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8) CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le) CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be) CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8) CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le) CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be) CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8) CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le) CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be) CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8) CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le) CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be) #undef CASE default: return 0; } av_assert0(srcSliceH > 1); copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW); srcPtr += 2 * srcStride[0]; dstPtr += 2 * dstStride[0]; for (i = 2; i < srcSliceH - 2; i += 2) { interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW); srcPtr += 2 * srcStride[0]; dstPtr += 2 * dstStride[0]; } if (i + 1 == srcSliceH) { copy(srcPtr, -srcStride[0], dstPtr, -dstStride[0], c->srcW); } else if (i < srcSliceH) copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW); return srcSliceH; } static int bayer_to_rgb48_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { uint8_t *dstPtr= dst[0] + srcSliceY * dstStride[0]; const uint8_t *srcPtr= src[0]; int i; void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width); void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width); switch(c->srcFormat) { #define CASE(pixfmt, prefix) \ case pixfmt: copy = bayer_##prefix##_to_rgb48_copy; \ interpolate = bayer_##prefix##_to_rgb48_interpolate; \ break; CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8) CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le) CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be) CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8) CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le) CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be) CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8) CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le) CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be) CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8) CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le) CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be) #undef CASE default: return 0; } av_assert0(srcSliceH > 1); copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW); srcPtr += 2 * srcStride[0]; dstPtr += 2 * dstStride[0]; for (i = 2; i < srcSliceH - 2; i += 2) { interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW); srcPtr += 2 * srcStride[0]; dstPtr += 2 * dstStride[0]; } if (i + 1 == srcSliceH) { copy(srcPtr, -srcStride[0], dstPtr, -dstStride[0], c->srcW); } else if (i < srcSliceH) copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW); return srcSliceH; } static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { const uint8_t *srcPtr= src[0]; uint8_t *dstY= dst[0] + srcSliceY * dstStride[0]; uint8_t *dstU= dst[1] + srcSliceY * dstStride[1] / 2; uint8_t *dstV= dst[2] + srcSliceY * dstStride[2] / 2; int i; void (*copy) (const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv); void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv); switch(c->srcFormat) { #define CASE(pixfmt, prefix) \ case pixfmt: copy = bayer_##prefix##_to_yv12_copy; \ interpolate = bayer_##prefix##_to_yv12_interpolate; \ break; CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8) CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le) CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be) CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8) CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le) CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be) CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8) CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le) CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be) CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8) CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le) CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be) #undef CASE default: return 0; } av_assert0(srcSliceH > 1); copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table); srcPtr += 2 * srcStride[0]; dstY += 2 * dstStride[0]; dstU += dstStride[1]; dstV += dstStride[1]; for (i = 2; i < srcSliceH - 2; i += 2) { interpolate(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table); srcPtr += 2 * srcStride[0]; dstY += 2 * dstStride[0]; dstU += dstStride[1]; dstV += dstStride[1]; } if (i + 1 == srcSliceH) { copy(srcPtr, -srcStride[0], dstY, dstU, dstV, -dstStride[0], c->srcW, c->input_rgb2yuv_table); } else if (i < srcSliceH) copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table); 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 & AV_PIX_FMT_FLAG_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 (isRGB48(srcFormat) && isRGBA64(dstFormat)) { if (CONV_IS(RGB48LE, BGRA64LE) || CONV_IS(BGR48LE, RGBA64LE) || CONV_IS(RGB48BE, BGRA64BE) || CONV_IS(BGR48BE, RGBA64BE)) conv = rgb48tobgr64_nobswap; else if (CONV_IS(RGB48LE, BGRA64BE) || CONV_IS(BGR48LE, RGBA64BE) || CONV_IS(RGB48BE, BGRA64LE) || CONV_IS(BGR48BE, RGBA64LE)) conv = rgb48tobgr64_bswap; if (CONV_IS(RGB48LE, RGBA64LE) || CONV_IS(BGR48LE, BGRA64LE) || CONV_IS(RGB48BE, RGBA64BE) || CONV_IS(BGR48BE, BGRA64BE)) conv = rgb48to64_nobswap; else if (CONV_IS(RGB48LE, RGBA64BE) || CONV_IS(BGR48LE, BGRA64BE) || CONV_IS(RGB48BE, RGBA64LE) || CONV_IS(BGR48BE, BGRA64LE)) conv = rgb48to64_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; // Maintain symmetry between endianness if (c->flags & SWS_BITEXACT) if ((dstFormat == AV_PIX_FMT_RGB32 || dstFormat == AV_PIX_FMT_BGR32 ) && !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)) { int i; av_assert0(ALT32_CORR == 1); for (i = 0; i < srcSliceH; i++) dstPtr[dstStride[0] * (srcSliceY + i)] = 255; 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 - 1) * srcStride[0] + c->srcW * srcBpp); else { int i, j; dstPtr += dstStride[0] * srcSliceY; for (i = 0; i < srcSliceH; i++) { if(src_bswap) { for(j=0; jsrcW; 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; jsrcW; 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[]) { ff_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], c->input_rgb2yuv_table); 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; } static int uint_y_to_float_y_wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { int y, x; ptrdiff_t dstStrideFloat = dstStride[0] >> 2; const uint8_t *srcPtr = src[0]; float *dstPtr = (float *)(dst[0] + dstStride[0] * srcSliceY); for (y = 0; y < srcSliceH; ++y){ for (x = 0; x < c->srcW; ++x){ dstPtr[x] = c->uint2float_lut[srcPtr[x]]; } srcPtr += srcStride[0]; dstPtr += dstStrideFloat; } return srcSliceH; } static int float_y_to_uint_y_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]) { int y, x; ptrdiff_t srcStrideFloat = srcStride[0] >> 2; const float *srcPtr = (const float *)src[0]; uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY; for (y = 0; y < srcSliceH; ++y){ for (x = 0; x < c->srcW; ++x){ dstPtr[x] = av_clip_uint8(lrintf(255.0f * srcPtr[x])); } srcPtr += srcStrideFloat; dstPtr += dstStride[0]; } 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)\ unsigned shift= src_depth-dst_depth, tmp;\ if (c->dither == SWS_DITHER_NONE) {\ for (i = 0; i < height; i++) {\ for (j = 0; j < length-7; j+=8) {\ dst[j+0] = dbswap(bswap(src[j+0])>>shift);\ dst[j+1] = dbswap(bswap(src[j+1])>>shift);\ dst[j+2] = dbswap(bswap(src[j+2])>>shift);\ dst[j+3] = dbswap(bswap(src[j+3])>>shift);\ dst[j+4] = dbswap(bswap(src[j+4])>>shift);\ dst[j+5] = dbswap(bswap(src[j+5])>>shift);\ dst[j+6] = dbswap(bswap(src[j+6])>>shift);\ dst[j+7] = dbswap(bswap(src[j+7])>>shift);\ }\ for (; j < length; j++) {\ dst[j] = dbswap(bswap(src[j])>>shift);\ }\ dst += dstStride;\ src += srcStride;\ }\ } else if (shiftonly) {\ for (i = 0; i < height; i++) {\ const uint8_t *dither= dithers[shift-1][i&7];\ for (j = 0; j < length-7; j+=8) {\ tmp = (bswap(src[j+0]) + dither[0])>>shift; dst[j+0] = dbswap(tmp - (tmp>>dst_depth));\ tmp = (bswap(src[j+1]) + dither[1])>>shift; dst[j+1] = dbswap(tmp - (tmp>>dst_depth));\ tmp = (bswap(src[j+2]) + dither[2])>>shift; dst[j+2] = dbswap(tmp - (tmp>>dst_depth));\ tmp = (bswap(src[j+3]) + dither[3])>>shift; dst[j+3] = dbswap(tmp - (tmp>>dst_depth));\ tmp = (bswap(src[j+4]) + dither[4])>>shift; dst[j+4] = dbswap(tmp - (tmp>>dst_depth));\ tmp = (bswap(src[j+5]) + dither[5])>>shift; dst[j+5] = dbswap(tmp - (tmp>>dst_depth));\ tmp = (bswap(src[j+6]) + dither[6])>>shift; dst[j+6] = dbswap(tmp - (tmp>>dst_depth));\ tmp = (bswap(src[j+7]) + dither[7])>>shift; dst[j+7] = dbswap(tmp - (tmp>>dst_depth));\ }\ for (; j < length; j++) {\ tmp = (bswap(src[j]) + dither[j&7])>>shift; dst[j] = dbswap(tmp - (tmp>>dst_depth));\ }\ dst += dstStride;\ src += srcStride;\ }\ } else {\ for (i = 0; i < height; i++) {\ const uint8_t *dither= dithers[shift-1][i&7];\ for (j = 0; j < length-7; j+=8) {\ tmp = bswap(src[j+0]); dst[j+0] = dbswap((tmp - (tmp>>dst_depth) + dither[0])>>shift);\ tmp = bswap(src[j+1]); dst[j+1] = dbswap((tmp - (tmp>>dst_depth) + dither[1])>>shift);\ tmp = bswap(src[j+2]); dst[j+2] = dbswap((tmp - (tmp>>dst_depth) + dither[2])>>shift);\ tmp = bswap(src[j+3]); dst[j+3] = dbswap((tmp - (tmp>>dst_depth) + dither[3])>>shift);\ tmp = bswap(src[j+4]); dst[j+4] = dbswap((tmp - (tmp>>dst_depth) + dither[4])>>shift);\ tmp = bswap(src[j+5]); dst[j+5] = dbswap((tmp - (tmp>>dst_depth) + dither[5])>>shift);\ tmp = bswap(src[j+6]); dst[j+6] = dbswap((tmp - (tmp>>dst_depth) + dither[6])>>shift);\ tmp = bswap(src[j+7]); dst[j+7] = dbswap((tmp - (tmp>>dst_depth) + dither[7])>>shift);\ }\ for (; j < length; j++) {\ tmp = bswap(src[j]); dst[j] = dbswap((tmp - (tmp>>dst_depth) + dither[j&7])>>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 && dst[plane] != NULL; plane++) { int length = (plane == 0 || plane == 3) ? c->srcW : AV_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample); int y = (plane == 0 || plane == 3) ? srcSliceY: AV_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample); int height = (plane == 0 || plane == 3) ? srcSliceH: AV_CEIL_RSHIFT(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); // 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, 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; const int dst_depth = desc_dst->comp[plane].depth; 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) { for (i = 0; i < height; i++) { j = 0; if(isBE(c->srcFormat) == HAVE_BIGENDIAN && isBE(c->dstFormat) == HAVE_BIGENDIAN && shiftonly) { unsigned shift = dst_depth - src_depth; #if HAVE_FAST_64BIT #define FAST_COPY_UP(shift) \ for (; j < length - 3; j += 4) { \ uint64_t v = AV_RN64A(srcPtr2 + j); \ AV_WN64A(dstPtr2 + j, v << shift); \ } #else #define FAST_COPY_UP(shift) \ for (; j < length - 1; j += 2) { \ uint32_t v = AV_RN32A(srcPtr2 + j); \ AV_WN32A(dstPtr2 + j, v << shift); \ } #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 < length; j++){ \ unsigned int v= r(&srcPtr2[j]);\ w(&dstPtr2[j], v<<(dst_depth-src_depth));\ }\ }else{\ for (; 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 (isFloat(c->srcFormat) && isFloat(c->dstFormat) && isBE(c->srcFormat) != isBE(c->dstFormat)) { /* swap float plane */ for (i = 0; i < height; i++) { for (j = 0; j < length; j++) ((uint32_t *) dstPtr)[j] = av_bswap32(((const uint32_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 == 1) 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; const int dstW = c->dstW; 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->convert_unscaled = planarToNv12Wrapper; } /* yv24_to_nv24 */ if ((srcFormat == AV_PIX_FMT_YUV444P || srcFormat == AV_PIX_FMT_YUVA444P) && (dstFormat == AV_PIX_FMT_NV24 || dstFormat == AV_PIX_FMT_NV42)) { c->convert_unscaled = planarToNv24Wrapper; } /* nv12_to_yv12 */ if (dstFormat == AV_PIX_FMT_YUV420P && (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) { c->convert_unscaled = nv12ToPlanarWrapper; } /* nv24_to_yv24 */ if (dstFormat == AV_PIX_FMT_YUV444P && (srcFormat == AV_PIX_FMT_NV24 || srcFormat == AV_PIX_FMT_NV42)) { c->convert_unscaled = nv24ToPlanarWrapper; } /* yuv2bgr */ if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P || srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) && !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) { c->convert_unscaled = ff_yuv2rgb_get_func_ptr(c); c->dst_slice_align = 2; } /* yuv420p1x_to_p01x */ if ((srcFormat == AV_PIX_FMT_YUV420P10 || srcFormat == AV_PIX_FMT_YUVA420P10 || srcFormat == AV_PIX_FMT_YUV420P12 || srcFormat == AV_PIX_FMT_YUV420P14 || srcFormat == AV_PIX_FMT_YUV420P16 || srcFormat == AV_PIX_FMT_YUVA420P16) && (dstFormat == AV_PIX_FMT_P010 || dstFormat == AV_PIX_FMT_P016)) { c->convert_unscaled = planarToP01xWrapper; } /* yuv420p_to_p01xle */ if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) && (dstFormat == AV_PIX_FMT_P010LE || dstFormat == AV_PIX_FMT_P016LE)) { c->convert_unscaled = planar8ToP01xleWrapper; } if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) && (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) { c->convert_unscaled = yvu9ToYv12Wrapper; c->dst_slice_align = 4; } /* bgr24toYV12 */ if (srcFormat == AV_PIX_FMT_BGR24 && (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND) && !(dstW&1)) c->convert_unscaled = 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->convert_unscaled = rgbToRgbWrapper; /* RGB to planar RGB */ if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) || (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP)) c->convert_unscaled = planarRgbToplanarRgbWrapper; #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->convert_unscaled = planarRgbToRgbWrapper; if (srcFormat == AV_PIX_FMT_GBRAP && isByteRGB(dstFormat)) c->convert_unscaled = planarRgbaToRgbWrapper; if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE || srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE || srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE || srcFormat == AV_PIX_FMT_BGRA64LE || srcFormat == AV_PIX_FMT_BGRA64BE) && (dstFormat == AV_PIX_FMT_GBRP9LE || dstFormat == AV_PIX_FMT_GBRP9BE || dstFormat == AV_PIX_FMT_GBRP10LE || dstFormat == AV_PIX_FMT_GBRP10BE || dstFormat == AV_PIX_FMT_GBRP12LE || dstFormat == AV_PIX_FMT_GBRP12BE || dstFormat == AV_PIX_FMT_GBRP14LE || dstFormat == AV_PIX_FMT_GBRP14BE || dstFormat == AV_PIX_FMT_GBRP16LE || dstFormat == AV_PIX_FMT_GBRP16BE || dstFormat == AV_PIX_FMT_GBRAP10LE || dstFormat == AV_PIX_FMT_GBRAP10BE || dstFormat == AV_PIX_FMT_GBRAP12LE || dstFormat == AV_PIX_FMT_GBRAP12BE || dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE )) c->convert_unscaled = Rgb16ToPlanarRgb16Wrapper; if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE || srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE || srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE || srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE || srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE || srcFormat == AV_PIX_FMT_GBRAP10LE || srcFormat == AV_PIX_FMT_GBRAP10BE || srcFormat == AV_PIX_FMT_GBRAP12LE || srcFormat == AV_PIX_FMT_GBRAP12BE || srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) && (dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE || dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE || dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE || dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE)) c->convert_unscaled = planarRgb16ToRgb16Wrapper; if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth == 8 && isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP) c->convert_unscaled = rgbToPlanarRgbWrapper; if (isBayer(srcFormat)) { c->dst_slice_align = 2; if (dstFormat == AV_PIX_FMT_RGB24) c->convert_unscaled = bayer_to_rgb24_wrapper; else if (dstFormat == AV_PIX_FMT_RGB48) c->convert_unscaled = bayer_to_rgb48_wrapper; else if (dstFormat == AV_PIX_FMT_YUV420P) c->convert_unscaled = bayer_to_yv12_wrapper; else if (!isBayer(dstFormat)) { av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n"); av_assert0(0); } } /* bswap 16 bits per pixel/component packed formats */ if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_BGGR16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_RGGB16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GBRG16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GRBG16) || 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_BGR555) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY9) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY10) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY14) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_AYUV64) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP10) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) || 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_RGB555) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P10) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16)) c->convert_unscaled = bswap_16bpc; /* bswap 32 bits per pixel/component formats */ if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRPF32) || IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAPF32)) c->convert_unscaled = bswap_32bpc; if (usePal(srcFormat) && isByteRGB(dstFormat)) c->convert_unscaled = palToRgbWrapper; if (srcFormat == AV_PIX_FMT_YUV422P) { if (dstFormat == AV_PIX_FMT_YUYV422) c->convert_unscaled = yuv422pToYuy2Wrapper; else if (dstFormat == AV_PIX_FMT_UYVY422) c->convert_unscaled = yuv422pToUyvyWrapper; } /* uint Y to float Y */ if (srcFormat == AV_PIX_FMT_GRAY8 && dstFormat == AV_PIX_FMT_GRAYF32){ c->convert_unscaled = uint_y_to_float_y_wrapper; } /* float Y to uint Y */ if (srcFormat == AV_PIX_FMT_GRAYF32 && dstFormat == AV_PIX_FMT_GRAY8){ c->convert_unscaled = float_y_to_uint_y_wrapper; } /* 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->convert_unscaled = planarToYuy2Wrapper; else if (dstFormat == AV_PIX_FMT_UYVY422) c->convert_unscaled = planarToUyvyWrapper; } } if (srcFormat == AV_PIX_FMT_YUYV422 && (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P)) c->convert_unscaled = yuyvToYuv420Wrapper; if (srcFormat == AV_PIX_FMT_UYVY422 && (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P)) c->convert_unscaled = uyvyToYuv420Wrapper; if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P) c->convert_unscaled = yuyvToYuv422Wrapper; if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P) c->convert_unscaled = uyvyToYuv422Wrapper; #define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_YA8 && (x) != AV_PIX_FMT_YA16LE && (x) != AV_PIX_FMT_YA16BE) /* 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) || (isFloat(srcFormat) == isFloat(dstFormat)) && ((isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) || (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) || (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) || (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) && c->chrDstHSubSample == c->chrSrcHSubSample && c->chrDstVSubSample == c->chrSrcVSubSample && !isSemiPlanarYUV(srcFormat) && !isSemiPlanarYUV(dstFormat)))) { if (isPacked(c->srcFormat)) c->convert_unscaled = packedCopyWrapper; else /* Planar YUV or gray */ c->convert_unscaled = planarCopyWrapper; } #if ARCH_PPC ff_get_unscaled_swscale_ppc(c); #elif ARCH_ARM ff_get_unscaled_swscale_arm(c); #elif ARCH_AARCH64 ff_get_unscaled_swscale_aarch64(c); #endif } /* 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; } }