From 22e28216336da876e1fd17f380ce42eaf1446769 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Mon, 17 Feb 2014 13:36:38 +0000 Subject: chasing indexing error --- ffmpeg/libswscale/swscale.c | 1114 ------------------------------------------- 1 file changed, 1114 deletions(-) delete mode 100644 ffmpeg/libswscale/swscale.c (limited to 'ffmpeg/libswscale/swscale.c') diff --git a/ffmpeg/libswscale/swscale.c b/ffmpeg/libswscale/swscale.c deleted file mode 100644 index 710dce3..0000000 --- a/ffmpeg/libswscale/swscale.c +++ /dev/null @@ -1,1114 +0,0 @@ -/* - * 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 "libavutil/avassert.h" -#include "libavutil/avutil.h" -#include "libavutil/bswap.h" -#include "libavutil/cpu.h" -#include "libavutil/intreadwrite.h" -#include "libavutil/mathematics.h" -#include "libavutil/pixdesc.h" -#include "config.h" -#include "rgb2rgb.h" -#include "swscale_internal.h" -#include "swscale.h" - -DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_128)[9][8] = { - { 36, 68, 60, 92, 34, 66, 58, 90, }, - { 100, 4, 124, 28, 98, 2, 122, 26, }, - { 52, 84, 44, 76, 50, 82, 42, 74, }, - { 116, 20, 108, 12, 114, 18, 106, 10, }, - { 32, 64, 56, 88, 38, 70, 62, 94, }, - { 96, 0, 120, 24, 102, 6, 126, 30, }, - { 48, 80, 40, 72, 54, 86, 46, 78, }, - { 112, 16, 104, 8, 118, 22, 110, 14, }, - { 36, 68, 60, 92, 34, 66, 58, 90, }, -}; - -DECLARE_ALIGNED(8, static const uint8_t, sws_pb_64)[8] = { - 64, 64, 64, 64, 64, 64, 64, 64 -}; - -static av_always_inline 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 hScale16To19_c(SwsContext *c, int16_t *_dst, int dstW, - const uint8_t *_src, const int16_t *filter, - const int32_t *filterPos, int filterSize) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat); - int i; - int32_t *dst = (int32_t *) _dst; - const uint16_t *src = (const uint16_t *) _src; - int bits = desc->comp[0].depth_minus1; - int sh = bits - 4; - - if((isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8) && desc->comp[0].depth_minus1<15) - sh= 9; - - for (i = 0; i < dstW; i++) { - int j; - int srcPos = filterPos[i]; - int val = 0; - - for (j = 0; j < filterSize; j++) { - val += src[srcPos + j] * filter[filterSize * i + j]; - } - // filter=14 bit, input=16 bit, output=30 bit, >> 11 makes 19 bit - dst[i] = FFMIN(val >> sh, (1 << 19) - 1); - } -} - -static void hScale16To15_c(SwsContext *c, int16_t *dst, int dstW, - const uint8_t *_src, const int16_t *filter, - const int32_t *filterPos, int filterSize) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat); - int i; - const uint16_t *src = (const uint16_t *) _src; - int sh = desc->comp[0].depth_minus1; - - if(sh<15) - sh= isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8 ? 13 : desc->comp[0].depth_minus1; - - for (i = 0; i < dstW; i++) { - int j; - int srcPos = filterPos[i]; - int val = 0; - - for (j = 0; j < filterSize; j++) { - val += src[srcPos + j] * filter[filterSize * i + j]; - } - // filter=14 bit, input=16 bit, output=30 bit, >> 15 makes 15 bit - dst[i] = FFMIN(val >> sh, (1 << 15) - 1); - } -} - -// bilinear / bicubic scaling -static void hScale8To15_c(SwsContext *c, int16_t *dst, int dstW, - const uint8_t *src, const int16_t *filter, - const int32_t *filterPos, int filterSize) -{ - int i; - for (i = 0; i < dstW; i++) { - int j; - int srcPos = filterPos[i]; - int val = 0; - for (j = 0; j < filterSize; j++) { - val += ((int)src[srcPos + j]) * filter[filterSize * i + j]; - } - dst[i] = FFMIN(val >> 7, (1 << 15) - 1); // the cubic equation does overflow ... - } -} - -static void hScale8To19_c(SwsContext *c, int16_t *_dst, int dstW, - const uint8_t *src, const int16_t *filter, - const int32_t *filterPos, int filterSize) -{ - int i; - int32_t *dst = (int32_t *) _dst; - for (i = 0; i < dstW; i++) { - int j; - int srcPos = filterPos[i]; - int val = 0; - for (j = 0; j < filterSize; j++) { - val += ((int)src[srcPos + j]) * filter[filterSize * i + j]; - } - dst[i] = FFMIN(val >> 3, (1 << 19) - 1); // the cubic equation does overflow ... - } -} - -// FIXME all pal and rgb srcFormats could do this conversion as well -// FIXME all scalers more complex than bilinear could do half of this transform -static void chrRangeToJpeg_c(int16_t *dstU, int16_t *dstV, int width) -{ - int i; - for (i = 0; i < width; i++) { - dstU[i] = (FFMIN(dstU[i], 30775) * 4663 - 9289992) >> 12; // -264 - dstV[i] = (FFMIN(dstV[i], 30775) * 4663 - 9289992) >> 12; // -264 - } -} - -static void chrRangeFromJpeg_c(int16_t *dstU, int16_t *dstV, int width) -{ - int i; - for (i = 0; i < width; i++) { - dstU[i] = (dstU[i] * 1799 + 4081085) >> 11; // 1469 - dstV[i] = (dstV[i] * 1799 + 4081085) >> 11; // 1469 - } -} - -static void lumRangeToJpeg_c(int16_t *dst, int width) -{ - int i; - for (i = 0; i < width; i++) - dst[i] = (FFMIN(dst[i], 30189) * 19077 - 39057361) >> 14; -} - -static void lumRangeFromJpeg_c(int16_t *dst, int width) -{ - int i; - for (i = 0; i < width; i++) - dst[i] = (dst[i] * 14071 + 33561947) >> 14; -} - -static void chrRangeToJpeg16_c(int16_t *_dstU, int16_t *_dstV, int width) -{ - int i; - int32_t *dstU = (int32_t *) _dstU; - int32_t *dstV = (int32_t *) _dstV; - for (i = 0; i < width; i++) { - dstU[i] = (FFMIN(dstU[i], 30775 << 4) * 4663 - (9289992 << 4)) >> 12; // -264 - dstV[i] = (FFMIN(dstV[i], 30775 << 4) * 4663 - (9289992 << 4)) >> 12; // -264 - } -} - -static void chrRangeFromJpeg16_c(int16_t *_dstU, int16_t *_dstV, int width) -{ - int i; - int32_t *dstU = (int32_t *) _dstU; - int32_t *dstV = (int32_t *) _dstV; - for (i = 0; i < width; i++) { - dstU[i] = (dstU[i] * 1799 + (4081085 << 4)) >> 11; // 1469 - dstV[i] = (dstV[i] * 1799 + (4081085 << 4)) >> 11; // 1469 - } -} - -static void lumRangeToJpeg16_c(int16_t *_dst, int width) -{ - int i; - int32_t *dst = (int32_t *) _dst; - for (i = 0; i < width; i++) - dst[i] = (FFMIN(dst[i], 30189 << 4) * 4769 - (39057361 << 2)) >> 12; -} - -static void lumRangeFromJpeg16_c(int16_t *_dst, int width) -{ - int i; - int32_t *dst = (int32_t *) _dst; - for (i = 0; i < width; i++) - dst[i] = (dst[i]*(14071/4) + (33561947<<4)/4)>>12; -} - -static void hyscale_fast_c(SwsContext *c, int16_t *dst, int dstWidth, - const uint8_t *src, int srcW, int xInc) -{ - int i; - unsigned int xpos = 0; - for (i = 0; i < dstWidth; i++) { - register unsigned int xx = xpos >> 16; - register unsigned int xalpha = (xpos & 0xFFFF) >> 9; - dst[i] = (src[xx] << 7) + (src[xx + 1] - src[xx]) * xalpha; - xpos += xInc; - } - for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) - dst[i] = src[srcW-1]*128; -} - -// *** horizontal scale Y line to temp buffer -static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth, - const uint8_t *src_in[4], - int srcW, int xInc, - const int16_t *hLumFilter, - const int32_t *hLumFilterPos, - int hLumFilterSize, - uint8_t *formatConvBuffer, - uint32_t *pal, int isAlpha) -{ - void (*toYV12)(uint8_t *, const uint8_t *, const uint8_t *, const uint8_t *, int, uint32_t *) = - isAlpha ? c->alpToYV12 : c->lumToYV12; - void (*convertRange)(int16_t *, int) = isAlpha ? NULL : c->lumConvertRange; - const uint8_t *src = src_in[isAlpha ? 3 : 0]; - - if (toYV12) { - toYV12(formatConvBuffer, src, src_in[1], src_in[2], srcW, pal); - src = formatConvBuffer; - } else if (c->readLumPlanar && !isAlpha) { - c->readLumPlanar(formatConvBuffer, src_in, srcW, c->input_rgb2yuv_table); - src = formatConvBuffer; - } else if (c->readAlpPlanar && isAlpha) { - c->readAlpPlanar(formatConvBuffer, src_in, srcW, NULL); - src = formatConvBuffer; - } - - if (!c->hyscale_fast) { - c->hyScale(c, dst, dstWidth, src, hLumFilter, - hLumFilterPos, hLumFilterSize); - } else { // fast bilinear upscale / crap downscale - c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc); - } - - if (convertRange) - convertRange(dst, dstWidth); -} - -static void hcscale_fast_c(SwsContext *c, int16_t *dst1, int16_t *dst2, - int dstWidth, const uint8_t *src1, - const uint8_t *src2, int srcW, int xInc) -{ - int i; - unsigned int xpos = 0; - for (i = 0; i < dstWidth; i++) { - register unsigned int xx = xpos >> 16; - register unsigned int xalpha = (xpos & 0xFFFF) >> 9; - dst1[i] = (src1[xx] * (xalpha ^ 127) + src1[xx + 1] * xalpha); - dst2[i] = (src2[xx] * (xalpha ^ 127) + src2[xx + 1] * xalpha); - xpos += xInc; - } - for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) { - dst1[i] = src1[srcW-1]*128; - dst2[i] = src2[srcW-1]*128; - } -} - -static av_always_inline void hcscale(SwsContext *c, int16_t *dst1, - int16_t *dst2, int dstWidth, - const uint8_t *src_in[4], - int srcW, int xInc, - const int16_t *hChrFilter, - const int32_t *hChrFilterPos, - int hChrFilterSize, - uint8_t *formatConvBuffer, uint32_t *pal) -{ - const uint8_t *src1 = src_in[1], *src2 = src_in[2]; - if (c->chrToYV12) { - uint8_t *buf2 = formatConvBuffer + - FFALIGN(srcW*2+78, 16); - c->chrToYV12(formatConvBuffer, buf2, src_in[0], src1, src2, srcW, pal); - src1= formatConvBuffer; - src2= buf2; - } else if (c->readChrPlanar) { - uint8_t *buf2 = formatConvBuffer + - FFALIGN(srcW*2+78, 16); - c->readChrPlanar(formatConvBuffer, buf2, src_in, srcW, c->input_rgb2yuv_table); - src1 = formatConvBuffer; - src2 = buf2; - } - - if (!c->hcscale_fast) { - c->hcScale(c, dst1, dstWidth, src1, hChrFilter, hChrFilterPos, hChrFilterSize); - c->hcScale(c, dst2, dstWidth, src2, hChrFilter, hChrFilterPos, hChrFilterSize); - } else { // fast bilinear upscale / crap downscale - c->hcscale_fast(c, dst1, dst2, dstWidth, src1, src2, srcW, xInc); - } - - if (c->chrConvertRange) - c->chrConvertRange(dst1, dst2, dstWidth); -} - -#define DEBUG_SWSCALE_BUFFERS 0 -#define DEBUG_BUFFERS(...) \ - if (DEBUG_SWSCALE_BUFFERS) \ - av_log(c, AV_LOG_DEBUG, __VA_ARGS__) - -static int swscale(SwsContext *c, const uint8_t *src[], - int srcStride[], int srcSliceY, - int srcSliceH, uint8_t *dst[], int dstStride[]) -{ - /* load a few things into local vars to make the code more readable? - * and faster */ - const int srcW = c->srcW; - const int dstW = c->dstW; - const int dstH = c->dstH; - const int chrDstW = c->chrDstW; - const int chrSrcW = c->chrSrcW; - const int lumXInc = c->lumXInc; - const int chrXInc = c->chrXInc; - const enum AVPixelFormat dstFormat = c->dstFormat; - const int flags = c->flags; - int32_t *vLumFilterPos = c->vLumFilterPos; - int32_t *vChrFilterPos = c->vChrFilterPos; - int32_t *hLumFilterPos = c->hLumFilterPos; - int32_t *hChrFilterPos = c->hChrFilterPos; - int16_t *hLumFilter = c->hLumFilter; - int16_t *hChrFilter = c->hChrFilter; - int32_t *lumMmxFilter = c->lumMmxFilter; - int32_t *chrMmxFilter = c->chrMmxFilter; - const int vLumFilterSize = c->vLumFilterSize; - const int vChrFilterSize = c->vChrFilterSize; - const int hLumFilterSize = c->hLumFilterSize; - const int hChrFilterSize = c->hChrFilterSize; - int16_t **lumPixBuf = c->lumPixBuf; - int16_t **chrUPixBuf = c->chrUPixBuf; - int16_t **chrVPixBuf = c->chrVPixBuf; - int16_t **alpPixBuf = c->alpPixBuf; - const int vLumBufSize = c->vLumBufSize; - const int vChrBufSize = c->vChrBufSize; - uint8_t *formatConvBuffer = c->formatConvBuffer; - uint32_t *pal = c->pal_yuv; - yuv2planar1_fn yuv2plane1 = c->yuv2plane1; - yuv2planarX_fn yuv2planeX = c->yuv2planeX; - yuv2interleavedX_fn yuv2nv12cX = c->yuv2nv12cX; - yuv2packed1_fn yuv2packed1 = c->yuv2packed1; - yuv2packed2_fn yuv2packed2 = c->yuv2packed2; - yuv2packedX_fn yuv2packedX = c->yuv2packedX; - yuv2anyX_fn yuv2anyX = c->yuv2anyX; - const int chrSrcSliceY = srcSliceY >> c->chrSrcVSubSample; - const int chrSrcSliceH = FF_CEIL_RSHIFT(srcSliceH, c->chrSrcVSubSample); - int should_dither = is9_OR_10BPS(c->srcFormat) || - is16BPS(c->srcFormat); - int lastDstY; - - /* vars which will change and which we need to store back in the context */ - int dstY = c->dstY; - int lumBufIndex = c->lumBufIndex; - int chrBufIndex = c->chrBufIndex; - int lastInLumBuf = c->lastInLumBuf; - int lastInChrBuf = c->lastInChrBuf; - - if (!usePal(c->srcFormat)) { - pal = c->input_rgb2yuv_table; - } - - if (isPacked(c->srcFormat)) { - src[0] = - src[1] = - src[2] = - src[3] = src[0]; - srcStride[0] = - srcStride[1] = - srcStride[2] = - srcStride[3] = srcStride[0]; - } - srcStride[1] <<= c->vChrDrop; - srcStride[2] <<= c->vChrDrop; - - DEBUG_BUFFERS("swscale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n", - src[0], srcStride[0], src[1], srcStride[1], - src[2], srcStride[2], src[3], srcStride[3], - dst[0], dstStride[0], dst[1], dstStride[1], - dst[2], dstStride[2], dst[3], dstStride[3]); - DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n", - srcSliceY, srcSliceH, dstY, dstH); - DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n", - vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize); - - if (dstStride[0]%16 !=0 || dstStride[1]%16 !=0 || - dstStride[2]%16 !=0 || dstStride[3]%16 != 0) { - static int warnedAlready = 0; // FIXME maybe move this into the context - if (flags & SWS_PRINT_INFO && !warnedAlready) { - av_log(c, AV_LOG_WARNING, - "Warning: dstStride is not aligned!\n" - " ->cannot do aligned memory accesses anymore\n"); - warnedAlready = 1; - } - } - - if ( (uintptr_t)dst[0]%16 || (uintptr_t)dst[1]%16 || (uintptr_t)dst[2]%16 - || (uintptr_t)src[0]%16 || (uintptr_t)src[1]%16 || (uintptr_t)src[2]%16 - || dstStride[0]%16 || dstStride[1]%16 || dstStride[2]%16 || dstStride[3]%16 - || srcStride[0]%16 || srcStride[1]%16 || srcStride[2]%16 || srcStride[3]%16 - ) { - static int warnedAlready=0; - int cpu_flags = av_get_cpu_flags(); - if (HAVE_MMXEXT && (cpu_flags & AV_CPU_FLAG_SSE2) && !warnedAlready){ - av_log(c, AV_LOG_WARNING, "Warning: data is not aligned! This can lead to a speedloss\n"); - warnedAlready=1; - } - } - - /* Note the user might start scaling the picture in the middle so this - * will not get executed. This is not really intended but works - * currently, so people might do it. */ - if (srcSliceY == 0) { - lumBufIndex = -1; - chrBufIndex = -1; - dstY = 0; - lastInLumBuf = -1; - lastInChrBuf = -1; - } - - if (!should_dither) { - c->chrDither8 = c->lumDither8 = sws_pb_64; - } - lastDstY = dstY; - - for (; dstY < dstH; dstY++) { - const int chrDstY = dstY >> c->chrDstVSubSample; - uint8_t *dest[4] = { - dst[0] + dstStride[0] * dstY, - dst[1] + dstStride[1] * chrDstY, - dst[2] + dstStride[2] * chrDstY, - (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3] + dstStride[3] * dstY : NULL, - }; - int use_mmx_vfilter= c->use_mmx_vfilter; - - // First line needed as input - const int firstLumSrcY = FFMAX(1 - vLumFilterSize, vLumFilterPos[dstY]); - const int firstLumSrcY2 = FFMAX(1 - vLumFilterSize, vLumFilterPos[FFMIN(dstY | ((1 << c->chrDstVSubSample) - 1), dstH - 1)]); - // First line needed as input - const int firstChrSrcY = FFMAX(1 - vChrFilterSize, vChrFilterPos[chrDstY]); - - // Last line needed as input - int lastLumSrcY = FFMIN(c->srcH, firstLumSrcY + vLumFilterSize) - 1; - int lastLumSrcY2 = FFMIN(c->srcH, firstLumSrcY2 + vLumFilterSize) - 1; - int lastChrSrcY = FFMIN(c->chrSrcH, firstChrSrcY + vChrFilterSize) - 1; - int enough_lines; - - // handle holes (FAST_BILINEAR & weird filters) - if (firstLumSrcY > lastInLumBuf) - lastInLumBuf = firstLumSrcY - 1; - if (firstChrSrcY > lastInChrBuf) - lastInChrBuf = firstChrSrcY - 1; - av_assert0(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1); - av_assert0(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1); - - DEBUG_BUFFERS("dstY: %d\n", dstY); - DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n", - firstLumSrcY, lastLumSrcY, lastInLumBuf); - DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n", - firstChrSrcY, lastChrSrcY, lastInChrBuf); - - // Do we have enough lines in this slice to output the dstY line - enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH && - lastChrSrcY < FF_CEIL_RSHIFT(srcSliceY + srcSliceH, c->chrSrcVSubSample); - - if (!enough_lines) { - lastLumSrcY = srcSliceY + srcSliceH - 1; - lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1; - DEBUG_BUFFERS("buffering slice: lastLumSrcY %d lastChrSrcY %d\n", - lastLumSrcY, lastChrSrcY); - } - - // Do horizontal scaling - while (lastInLumBuf < lastLumSrcY) { - const uint8_t *src1[4] = { - src[0] + (lastInLumBuf + 1 - srcSliceY) * srcStride[0], - src[1] + (lastInLumBuf + 1 - srcSliceY) * srcStride[1], - src[2] + (lastInLumBuf + 1 - srcSliceY) * srcStride[2], - src[3] + (lastInLumBuf + 1 - srcSliceY) * srcStride[3], - }; - lumBufIndex++; - av_assert0(lumBufIndex < 2 * vLumBufSize); - av_assert0(lastInLumBuf + 1 - srcSliceY < srcSliceH); - av_assert0(lastInLumBuf + 1 - srcSliceY >= 0); - hyscale(c, lumPixBuf[lumBufIndex], dstW, src1, srcW, lumXInc, - hLumFilter, hLumFilterPos, hLumFilterSize, - formatConvBuffer, pal, 0); - if (CONFIG_SWSCALE_ALPHA && alpPixBuf) - hyscale(c, alpPixBuf[lumBufIndex], dstW, src1, srcW, - lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize, - formatConvBuffer, pal, 1); - lastInLumBuf++; - DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n", - lumBufIndex, lastInLumBuf); - } - while (lastInChrBuf < lastChrSrcY) { - const uint8_t *src1[4] = { - src[0] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[0], - src[1] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[1], - src[2] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[2], - src[3] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[3], - }; - chrBufIndex++; - av_assert0(chrBufIndex < 2 * vChrBufSize); - av_assert0(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH)); - av_assert0(lastInChrBuf + 1 - chrSrcSliceY >= 0); - // FIXME replace parameters through context struct (some at least) - - if (c->needs_hcscale) - hcscale(c, chrUPixBuf[chrBufIndex], chrVPixBuf[chrBufIndex], - chrDstW, src1, chrSrcW, chrXInc, - hChrFilter, hChrFilterPos, hChrFilterSize, - formatConvBuffer, pal); - lastInChrBuf++; - DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n", - chrBufIndex, lastInChrBuf); - } - // wrap buf index around to stay inside the ring buffer - if (lumBufIndex >= vLumBufSize) - lumBufIndex -= vLumBufSize; - if (chrBufIndex >= vChrBufSize) - chrBufIndex -= vChrBufSize; - if (!enough_lines) - break; // we can't output a dstY line so let's try with the next slice - -#if HAVE_MMX_INLINE - updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex, - lastInLumBuf, lastInChrBuf); -#endif - if (should_dither) { - c->chrDither8 = ff_dither_8x8_128[chrDstY & 7]; - c->lumDither8 = ff_dither_8x8_128[dstY & 7]; - } - if (dstY >= dstH - 2) { - /* hmm looks like we can't use MMX here without overwriting - * this array's tail */ - ff_sws_init_output_funcs(c, &yuv2plane1, &yuv2planeX, &yuv2nv12cX, - &yuv2packed1, &yuv2packed2, &yuv2packedX, &yuv2anyX); - use_mmx_vfilter= 0; - } - - { - const int16_t **lumSrcPtr = (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize; - const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; - const int16_t **chrVSrcPtr = (const int16_t **)(void*) chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; - const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? - (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL; - int16_t *vLumFilter = c->vLumFilter; - int16_t *vChrFilter = c->vChrFilter; - - if (isPlanarYUV(dstFormat) || - (isGray(dstFormat) && !isALPHA(dstFormat))) { // YV12 like - const int chrSkipMask = (1 << c->chrDstVSubSample) - 1; - - vLumFilter += dstY * vLumFilterSize; - vChrFilter += chrDstY * vChrFilterSize; - -// av_assert0(use_mmx_vfilter != ( -// yuv2planeX == yuv2planeX_10BE_c -// || yuv2planeX == yuv2planeX_10LE_c -// || yuv2planeX == yuv2planeX_9BE_c -// || yuv2planeX == yuv2planeX_9LE_c -// || yuv2planeX == yuv2planeX_16BE_c -// || yuv2planeX == yuv2planeX_16LE_c -// || yuv2planeX == yuv2planeX_8_c) || !ARCH_X86); - - if(use_mmx_vfilter){ - vLumFilter= (int16_t *)c->lumMmxFilter; - vChrFilter= (int16_t *)c->chrMmxFilter; - } - - if (vLumFilterSize == 1) { - yuv2plane1(lumSrcPtr[0], dest[0], dstW, c->lumDither8, 0); - } else { - yuv2planeX(vLumFilter, vLumFilterSize, - lumSrcPtr, dest[0], - dstW, c->lumDither8, 0); - } - - if (!((dstY & chrSkipMask) || isGray(dstFormat))) { - if (yuv2nv12cX) { - yuv2nv12cX(c, vChrFilter, - vChrFilterSize, chrUSrcPtr, chrVSrcPtr, - dest[1], chrDstW); - } else if (vChrFilterSize == 1) { - yuv2plane1(chrUSrcPtr[0], dest[1], chrDstW, c->chrDither8, 0); - yuv2plane1(chrVSrcPtr[0], dest[2], chrDstW, c->chrDither8, 3); - } else { - yuv2planeX(vChrFilter, - vChrFilterSize, chrUSrcPtr, dest[1], - chrDstW, c->chrDither8, 0); - yuv2planeX(vChrFilter, - vChrFilterSize, chrVSrcPtr, dest[2], - chrDstW, c->chrDither8, use_mmx_vfilter ? (c->uv_offx2 >> 1) : 3); - } - } - - if (CONFIG_SWSCALE_ALPHA && alpPixBuf) { - if(use_mmx_vfilter){ - vLumFilter= (int16_t *)c->alpMmxFilter; - } - if (vLumFilterSize == 1) { - yuv2plane1(alpSrcPtr[0], dest[3], dstW, - c->lumDither8, 0); - } else { - yuv2planeX(vLumFilter, - vLumFilterSize, alpSrcPtr, dest[3], - dstW, c->lumDither8, 0); - } - } - } else if (yuv2packedX) { - av_assert1(lumSrcPtr + vLumFilterSize - 1 < (const int16_t **)lumPixBuf + vLumBufSize * 2); - av_assert1(chrUSrcPtr + vChrFilterSize - 1 < (const int16_t **)chrUPixBuf + vChrBufSize * 2); - if (c->yuv2packed1 && vLumFilterSize == 1 && - vChrFilterSize <= 2) { // unscaled RGB - int chrAlpha = vChrFilterSize == 1 ? 0 : vChrFilter[2 * dstY + 1]; - yuv2packed1(c, *lumSrcPtr, chrUSrcPtr, chrVSrcPtr, - alpPixBuf ? *alpSrcPtr : NULL, - dest[0], dstW, chrAlpha, dstY); - } else if (c->yuv2packed2 && vLumFilterSize == 2 && - vChrFilterSize == 2) { // bilinear upscale RGB - int lumAlpha = vLumFilter[2 * dstY + 1]; - int chrAlpha = vChrFilter[2 * dstY + 1]; - lumMmxFilter[2] = - lumMmxFilter[3] = vLumFilter[2 * dstY] * 0x10001; - chrMmxFilter[2] = - chrMmxFilter[3] = vChrFilter[2 * chrDstY] * 0x10001; - yuv2packed2(c, lumSrcPtr, chrUSrcPtr, chrVSrcPtr, - alpPixBuf ? alpSrcPtr : NULL, - dest[0], dstW, lumAlpha, chrAlpha, dstY); - } else { // general RGB - yuv2packedX(c, vLumFilter + dstY * vLumFilterSize, - lumSrcPtr, vLumFilterSize, - vChrFilter + dstY * vChrFilterSize, - chrUSrcPtr, chrVSrcPtr, vChrFilterSize, - alpSrcPtr, dest[0], dstW, dstY); - } - } else { - av_assert1(!yuv2packed1 && !yuv2packed2); - yuv2anyX(c, vLumFilter + dstY * vLumFilterSize, - lumSrcPtr, vLumFilterSize, - vChrFilter + dstY * vChrFilterSize, - chrUSrcPtr, chrVSrcPtr, vChrFilterSize, - alpSrcPtr, dest, dstW, dstY); - } - } - } - if (isPlanar(dstFormat) && isALPHA(dstFormat) && !alpPixBuf) { - int length = dstW; - int height = dstY - lastDstY; - - if (is16BPS(dstFormat) || isNBPS(dstFormat)) { - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat); - fillPlane16(dst[3], dstStride[3], length, height, lastDstY, - 1, desc->comp[3].depth_minus1, - isBE(dstFormat)); - } else - fillPlane(dst[3], dstStride[3], length, height, lastDstY, 255); - } - -#if HAVE_MMXEXT_INLINE - if (av_get_cpu_flags() & AV_CPU_FLAG_MMXEXT) - __asm__ volatile ("sfence" ::: "memory"); -#endif - emms_c(); - - /* store changed local vars back in the context */ - c->dstY = dstY; - c->lumBufIndex = lumBufIndex; - c->chrBufIndex = chrBufIndex; - c->lastInLumBuf = lastInLumBuf; - c->lastInChrBuf = lastInChrBuf; - - return dstY - lastDstY; -} - -static av_cold void sws_init_swscale(SwsContext *c) -{ - enum AVPixelFormat srcFormat = c->srcFormat; - - ff_sws_init_output_funcs(c, &c->yuv2plane1, &c->yuv2planeX, - &c->yuv2nv12cX, &c->yuv2packed1, - &c->yuv2packed2, &c->yuv2packedX, &c->yuv2anyX); - - ff_sws_init_input_funcs(c); - - - if (c->srcBpc == 8) { - if (c->dstBpc <= 14) { - c->hyScale = c->hcScale = hScale8To15_c; - if (c->flags & SWS_FAST_BILINEAR) { - c->hyscale_fast = hyscale_fast_c; - c->hcscale_fast = hcscale_fast_c; - } - } else { - c->hyScale = c->hcScale = hScale8To19_c; - } - } else { - c->hyScale = c->hcScale = c->dstBpc > 14 ? hScale16To19_c - : hScale16To15_c; - } - - if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) { - if (c->dstBpc <= 14) { - if (c->srcRange) { - c->lumConvertRange = lumRangeFromJpeg_c; - c->chrConvertRange = chrRangeFromJpeg_c; - } else { - c->lumConvertRange = lumRangeToJpeg_c; - c->chrConvertRange = chrRangeToJpeg_c; - } - } else { - if (c->srcRange) { - c->lumConvertRange = lumRangeFromJpeg16_c; - c->chrConvertRange = chrRangeFromJpeg16_c; - } else { - c->lumConvertRange = lumRangeToJpeg16_c; - c->chrConvertRange = chrRangeToJpeg16_c; - } - } - } - - if (!(isGray(srcFormat) || isGray(c->dstFormat) || - srcFormat == AV_PIX_FMT_MONOBLACK || srcFormat == AV_PIX_FMT_MONOWHITE)) - c->needs_hcscale = 1; -} - -SwsFunc ff_getSwsFunc(SwsContext *c) -{ - sws_init_swscale(c); - - if (ARCH_PPC) - ff_sws_init_swscale_ppc(c); - if (ARCH_X86) - ff_sws_init_swscale_x86(c); - - return swscale; -} - -static void reset_ptr(const uint8_t *src[], int format) -{ - if (!isALPHA(format)) - src[3] = NULL; - if (!isPlanar(format)) { - src[3] = src[2] = NULL; - - if (!usePal(format)) - src[1] = NULL; - } -} - -static int check_image_pointers(const uint8_t * const data[4], enum AVPixelFormat pix_fmt, - const int linesizes[4]) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); - int i; - - for (i = 0; i < 4; i++) { - int plane = desc->comp[i].plane; - if (!data[plane] || !linesizes[plane]) - return 0; - } - - return 1; -} - -static void xyz12Torgb48(struct SwsContext *c, uint16_t *dst, - const uint16_t *src, int stride, int h) -{ - int xp,yp; - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat); - - for (yp=0; ypflags & AV_PIX_FMT_FLAG_BE) { - x = AV_RB16(src + xp + 0); - y = AV_RB16(src + xp + 1); - z = AV_RB16(src + xp + 2); - } else { - x = AV_RL16(src + xp + 0); - y = AV_RL16(src + xp + 1); - z = AV_RL16(src + xp + 2); - } - - x = c->xyzgamma[x>>4]; - y = c->xyzgamma[y>>4]; - z = c->xyzgamma[z>>4]; - - // convert from XYZlinear to sRGBlinear - r = c->xyz2rgb_matrix[0][0] * x + - c->xyz2rgb_matrix[0][1] * y + - c->xyz2rgb_matrix[0][2] * z >> 12; - g = c->xyz2rgb_matrix[1][0] * x + - c->xyz2rgb_matrix[1][1] * y + - c->xyz2rgb_matrix[1][2] * z >> 12; - b = c->xyz2rgb_matrix[2][0] * x + - c->xyz2rgb_matrix[2][1] * y + - c->xyz2rgb_matrix[2][2] * z >> 12; - - // limit values to 12-bit depth - r = av_clip_c(r,0,4095); - g = av_clip_c(g,0,4095); - b = av_clip_c(b,0,4095); - - // convert from sRGBlinear to RGB and scale from 12bit to 16bit - if (desc->flags & AV_PIX_FMT_FLAG_BE) { - AV_WB16(dst + xp + 0, c->rgbgamma[r] << 4); - AV_WB16(dst + xp + 1, c->rgbgamma[g] << 4); - AV_WB16(dst + xp + 2, c->rgbgamma[b] << 4); - } else { - AV_WL16(dst + xp + 0, c->rgbgamma[r] << 4); - AV_WL16(dst + xp + 1, c->rgbgamma[g] << 4); - AV_WL16(dst + xp + 2, c->rgbgamma[b] << 4); - } - } - src += stride; - dst += stride; - } -} - -static void rgb48Toxyz12(struct SwsContext *c, uint16_t *dst, - const uint16_t *src, int stride, int h) -{ - int xp,yp; - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat); - - for (yp=0; ypflags & AV_PIX_FMT_FLAG_BE) { - r = AV_RB16(src + xp + 0); - g = AV_RB16(src + xp + 1); - b = AV_RB16(src + xp + 2); - } else { - r = AV_RL16(src + xp + 0); - g = AV_RL16(src + xp + 1); - b = AV_RL16(src + xp + 2); - } - - r = c->rgbgammainv[r>>4]; - g = c->rgbgammainv[g>>4]; - b = c->rgbgammainv[b>>4]; - - // convert from sRGBlinear to XYZlinear - x = c->rgb2xyz_matrix[0][0] * r + - c->rgb2xyz_matrix[0][1] * g + - c->rgb2xyz_matrix[0][2] * b >> 12; - y = c->rgb2xyz_matrix[1][0] * r + - c->rgb2xyz_matrix[1][1] * g + - c->rgb2xyz_matrix[1][2] * b >> 12; - z = c->rgb2xyz_matrix[2][0] * r + - c->rgb2xyz_matrix[2][1] * g + - c->rgb2xyz_matrix[2][2] * b >> 12; - - // limit values to 12-bit depth - x = av_clip_c(x,0,4095); - y = av_clip_c(y,0,4095); - z = av_clip_c(z,0,4095); - - // convert from XYZlinear to X'Y'Z' and scale from 12bit to 16bit - if (desc->flags & AV_PIX_FMT_FLAG_BE) { - AV_WB16(dst + xp + 0, c->xyzgammainv[x] << 4); - AV_WB16(dst + xp + 1, c->xyzgammainv[y] << 4); - AV_WB16(dst + xp + 2, c->xyzgammainv[z] << 4); - } else { - AV_WL16(dst + xp + 0, c->xyzgammainv[x] << 4); - AV_WL16(dst + xp + 1, c->xyzgammainv[y] << 4); - AV_WL16(dst + xp + 2, c->xyzgammainv[z] << 4); - } - } - src += stride; - dst += stride; - } -} - -/** - * swscale wrapper, so we don't need to export the SwsContext. - * Assumes planar YUV to be in YUV order instead of YVU. - */ -int attribute_align_arg sws_scale(struct SwsContext *c, - const uint8_t * const srcSlice[], - const int srcStride[], int srcSliceY, - int srcSliceH, uint8_t *const dst[], - const int dstStride[]) -{ - int i, ret; - const uint8_t *src2[4]; - uint8_t *dst2[4]; - uint8_t *rgb0_tmp = NULL; - - if (!srcSlice || !dstStride || !dst || !srcSlice) { - av_log(c, AV_LOG_ERROR, "One of the input parameters to sws_scale() is NULL, please check the calling code\n"); - return 0; - } - memcpy(src2, srcSlice, sizeof(src2)); - memcpy(dst2, dst, sizeof(dst2)); - - // do not mess up sliceDir if we have a "trailing" 0-size slice - if (srcSliceH == 0) - return 0; - - if (!check_image_pointers(srcSlice, c->srcFormat, srcStride)) { - av_log(c, AV_LOG_ERROR, "bad src image pointers\n"); - return 0; - } - if (!check_image_pointers((const uint8_t* const*)dst, c->dstFormat, dstStride)) { - av_log(c, AV_LOG_ERROR, "bad dst image pointers\n"); - return 0; - } - - if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { - av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n"); - return 0; - } - if (c->sliceDir == 0) { - if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; - } - - if (usePal(c->srcFormat)) { - for (i = 0; i < 256; i++) { - int p, r, g, b, y, u, v, a = 0xff; - if (c->srcFormat == AV_PIX_FMT_PAL8) { - p = ((const uint32_t *)(srcSlice[1]))[i]; - a = (p >> 24) & 0xFF; - r = (p >> 16) & 0xFF; - g = (p >> 8) & 0xFF; - b = p & 0xFF; - } else if (c->srcFormat == AV_PIX_FMT_RGB8) { - r = ( i >> 5 ) * 36; - g = ((i >> 2) & 7) * 36; - b = ( i & 3) * 85; - } else if (c->srcFormat == AV_PIX_FMT_BGR8) { - b = ( i >> 6 ) * 85; - g = ((i >> 3) & 7) * 36; - r = ( i & 7) * 36; - } else if (c->srcFormat == AV_PIX_FMT_RGB4_BYTE) { - r = ( i >> 3 ) * 255; - g = ((i >> 1) & 3) * 85; - b = ( i & 1) * 255; - } else if (c->srcFormat == AV_PIX_FMT_GRAY8 || c->srcFormat == AV_PIX_FMT_GRAY8A) { - r = g = b = i; - } else { - av_assert1(c->srcFormat == AV_PIX_FMT_BGR4_BYTE); - b = ( i >> 3 ) * 255; - g = ((i >> 1) & 3) * 85; - r = ( i & 1) * 255; - } -#define RGB2YUV_SHIFT 15 -#define BY ( (int) (0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define BV (-(int) (0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define BU ( (int) (0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define GY ( (int) (0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define GV (-(int) (0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define GU (-(int) (0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define RY ( (int) (0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define RV ( (int) (0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) -#define RU (-(int) (0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) - - y = av_clip_uint8((RY * r + GY * g + BY * b + ( 33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT); - u = av_clip_uint8((RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT); - v = av_clip_uint8((RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT); - c->pal_yuv[i]= y + (u<<8) + (v<<16) + ((unsigned)a<<24); - - switch (c->dstFormat) { - case AV_PIX_FMT_BGR32: -#if !HAVE_BIGENDIAN - case AV_PIX_FMT_RGB24: -#endif - c->pal_rgb[i]= r + (g<<8) + (b<<16) + ((unsigned)a<<24); - break; - case AV_PIX_FMT_BGR32_1: -#if HAVE_BIGENDIAN - case AV_PIX_FMT_BGR24: -#endif - c->pal_rgb[i]= a + (r<<8) + (g<<16) + ((unsigned)b<<24); - break; - case AV_PIX_FMT_RGB32_1: -#if HAVE_BIGENDIAN - case AV_PIX_FMT_RGB24: -#endif - c->pal_rgb[i]= a + (b<<8) + (g<<16) + ((unsigned)r<<24); - break; - case AV_PIX_FMT_RGB32: -#if !HAVE_BIGENDIAN - case AV_PIX_FMT_BGR24: -#endif - default: - c->pal_rgb[i]= b + (g<<8) + (r<<16) + ((unsigned)a<<24); - } - } - } - - if (c->src0Alpha && !c->dst0Alpha && isALPHA(c->dstFormat)) { - uint8_t *base; - int x,y; - rgb0_tmp = av_malloc(FFABS(srcStride[0]) * srcSliceH + 32); - if (!rgb0_tmp) - return AVERROR(ENOMEM); - - base = srcStride[0] < 0 ? rgb0_tmp - srcStride[0] * (srcSliceH-1) : rgb0_tmp; - for (y=0; ysrcW); - for (x=c->src0Alpha-1; x<4*c->srcW; x+=4) { - base[ srcStride[0]*y + x] = 0xFF; - } - } - src2[0] = base; - } - - if (c->srcXYZ && !(c->dstXYZ && c->srcW==c->dstW && c->srcH==c->dstH)) { - uint8_t *base; - rgb0_tmp = av_malloc(FFABS(srcStride[0]) * srcSliceH + 32); - if (!rgb0_tmp) - return AVERROR(ENOMEM); - - base = srcStride[0] < 0 ? rgb0_tmp - srcStride[0] * (srcSliceH-1) : rgb0_tmp; - - xyz12Torgb48(c, (uint16_t*)base, (const uint16_t*)src2[0], srcStride[0]/2, srcSliceH); - src2[0] = base; - } - - if (!srcSliceY && (c->flags & SWS_BITEXACT) && c->dither == SWS_DITHER_ED && c->dither_error[0]) - for (i = 0; i < 4; i++) - memset(c->dither_error[i], 0, sizeof(c->dither_error[0][0]) * (c->dstW+2)); - - - // copy strides, so they can safely be modified - if (c->sliceDir == 1) { - // slices go from top to bottom - int srcStride2[4] = { srcStride[0], srcStride[1], srcStride[2], - srcStride[3] }; - int dstStride2[4] = { dstStride[0], dstStride[1], dstStride[2], - dstStride[3] }; - - reset_ptr(src2, c->srcFormat); - reset_ptr((void*)dst2, c->dstFormat); - - /* reset slice direction at end of frame */ - if (srcSliceY + srcSliceH == c->srcH) - c->sliceDir = 0; - - ret = c->swscale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, - dstStride2); - } else { - // slices go from bottom to top => we flip the image internally - int srcStride2[4] = { -srcStride[0], -srcStride[1], -srcStride[2], - -srcStride[3] }; - int dstStride2[4] = { -dstStride[0], -dstStride[1], -dstStride[2], - -dstStride[3] }; - - src2[0] += (srcSliceH - 1) * srcStride[0]; - if (!usePal(c->srcFormat)) - src2[1] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[1]; - src2[2] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[2]; - src2[3] += (srcSliceH - 1) * srcStride[3]; - dst2[0] += ( c->dstH - 1) * dstStride[0]; - dst2[1] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[1]; - dst2[2] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[2]; - dst2[3] += ( c->dstH - 1) * dstStride[3]; - - reset_ptr(src2, c->srcFormat); - reset_ptr((void*)dst2, c->dstFormat); - - /* reset slice direction at end of frame */ - if (!srcSliceY) - c->sliceDir = 0; - - ret = c->swscale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, - srcSliceH, dst2, dstStride2); - } - - - if (c->dstXYZ && !(c->srcXYZ && c->srcW==c->dstW && c->srcH==c->dstH)) { - /* replace on the same data */ - rgb48Toxyz12(c, (uint16_t*)dst2[0], (const uint16_t*)dst2[0], dstStride[0]/2, ret); - } - - av_free(rgb0_tmp); - return ret; -} - -- cgit v1.2.3