diff options
Diffstat (limited to 'ffmpeg/libswscale/swscale.c')
| -rw-r--r-- | ffmpeg/libswscale/swscale.c | 186 |
1 files changed, 163 insertions, 23 deletions
diff --git a/ffmpeg/libswscale/swscale.c b/ffmpeg/libswscale/swscale.c index bb90819..710dce3 100644 --- a/ffmpeg/libswscale/swscale.c +++ b/ffmpeg/libswscale/swscale.c @@ -18,7 +18,6 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <assert.h> #include <inttypes.h> #include <math.h> #include <stdio.h> @@ -36,7 +35,7 @@ #include "swscale_internal.h" #include "swscale.h" -DECLARE_ALIGNED(8, const uint8_t, dither_8x8_128)[8][8] = { +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, }, @@ -45,9 +44,10 @@ DECLARE_ALIGNED(8, const uint8_t, dither_8x8_128)[8][8] = { { 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, const uint8_t, ff_sws_pb_64)[8] = { +DECLARE_ALIGNED(8, static const uint8_t, sws_pb_64)[8] = { 64, 64, 64, 64, 64, 64, 64, 64 }; @@ -254,7 +254,10 @@ static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth, 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->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; } @@ -307,7 +310,7 @@ static av_always_inline void hcscale(SwsContext *c, int16_t *dst1, } else if (c->readChrPlanar) { uint8_t *buf2 = formatConvBuffer + FFALIGN(srcW*2+78, 16); - c->readChrPlanar(formatConvBuffer, buf2, src_in, srcW); + c->readChrPlanar(formatConvBuffer, buf2, src_in, srcW, c->input_rgb2yuv_table); src1 = formatConvBuffer; src2 = buf2; } @@ -328,7 +331,7 @@ static av_always_inline void hcscale(SwsContext *c, int16_t *dst1, if (DEBUG_SWSCALE_BUFFERS) \ av_log(c, AV_LOG_DEBUG, __VA_ARGS__) -static int swScale(SwsContext *c, const uint8_t *src[], +static int swscale(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[]) { @@ -370,8 +373,8 @@ static int swScale(SwsContext *c, const uint8_t *src[], yuv2packed2_fn yuv2packed2 = c->yuv2packed2; yuv2packedX_fn yuv2packedX = c->yuv2packedX; yuv2anyX_fn yuv2anyX = c->yuv2anyX; - const int chrSrcSliceY = srcSliceY >> c->chrSrcVSubSample; - const int chrSrcSliceH = -((-srcSliceH) >> c->chrSrcVSubSample); + 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; @@ -383,6 +386,10 @@ static int swScale(SwsContext *c, const uint8_t *src[], 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] = @@ -396,7 +403,7 @@ static int swScale(SwsContext *c, const uint8_t *src[], 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", + 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], @@ -442,7 +449,7 @@ static int swScale(SwsContext *c, const uint8_t *src[], } if (!should_dither) { - c->chrDither8 = c->lumDither8 = ff_sws_pb_64; + c->chrDither8 = c->lumDither8 = sws_pb_64; } lastDstY = dstY; @@ -484,7 +491,7 @@ static int swScale(SwsContext *c, const uint8_t *src[], // Do we have enough lines in this slice to output the dstY line enough_lines = lastLumSrcY2 < srcSliceY + srcSliceH && - lastChrSrcY < -((-srcSliceY - srcSliceH) >> c->chrSrcVSubSample); + lastChrSrcY < FF_CEIL_RSHIFT(srcSliceY + srcSliceH, c->chrSrcVSubSample); if (!enough_lines) { lastLumSrcY = srcSliceY + srcSliceH - 1; @@ -551,8 +558,8 @@ static int swScale(SwsContext *c, const uint8_t *src[], lastInLumBuf, lastInChrBuf); #endif if (should_dither) { - c->chrDither8 = dither_8x8_128[chrDstY & 7]; - c->lumDither8 = dither_8x8_128[dstY & 7]; + 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 @@ -697,7 +704,7 @@ static int swScale(SwsContext *c, const uint8_t *src[], return dstY - lastDstY; } -static av_cold void sws_init_swScale_c(SwsContext *c) +static av_cold void sws_init_swscale(SwsContext *c) { enum AVPixelFormat srcFormat = c->srcFormat; @@ -750,14 +757,14 @@ static av_cold void sws_init_swScale_c(SwsContext *c) SwsFunc ff_getSwsFunc(SwsContext *c) { - sws_init_swScale_c(c); + sws_init_swscale(c); - if (HAVE_MMX) - ff_sws_init_swScale_mmx(c); - if (HAVE_ALTIVEC) - ff_sws_init_swScale_altivec(c); + if (ARCH_PPC) + ff_sws_init_swscale_ppc(c); + if (ARCH_X86) + ff_sws_init_swscale_x86(c); - return swScale; + return swscale; } static void reset_ptr(const uint8_t *src[], int format) @@ -787,6 +794,118 @@ static int check_image_pointers(const uint8_t * const data[4], enum AVPixelForma 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; yp<h; yp++) { + for (xp=0; xp+2<stride; xp+=3) { + int x, y, z, r, g, b; + + if (desc->flags & 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; yp<h; yp++) { + for (xp=0; xp+2<stride; xp+=3) { + int x, y, z, r, g, b; + + if (desc->flags & 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. @@ -908,6 +1027,9 @@ int attribute_align_arg sws_scale(struct SwsContext *c, 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; y<srcSliceH; y++){ memcpy(base + srcStride[0]*y, src2[0] + srcStride[0]*y, 4*c->srcW); @@ -918,7 +1040,19 @@ int attribute_align_arg sws_scale(struct SwsContext *c, src2[0] = base; } - if (!srcSliceY && (c->flags & SWS_BITEXACT) && (c->flags & SWS_ERROR_DIFFUSION) && c->dither_error[0]) + 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)); @@ -938,7 +1072,7 @@ int attribute_align_arg sws_scale(struct SwsContext *c, if (srcSliceY + srcSliceH == c->srcH) c->sliceDir = 0; - ret = c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, + ret = c->swscale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2); } else { // slices go from bottom to top => we flip the image internally @@ -964,10 +1098,16 @@ int attribute_align_arg sws_scale(struct SwsContext *c, if (!srcSliceY) c->sliceDir = 0; - ret = c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, + 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; } |