diff options
Diffstat (limited to 'libswscale/utils.c')
| -rw-r--r-- | libswscale/utils.c | 202 |
1 files changed, 122 insertions, 80 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index 2fe9c5b..70b724e 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1,24 +1,25 @@ /* * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #define _SVID_SOURCE //needed for MAP_ANONYMOUS +#define _DARWIN_C_SOURCE // needed for MAP_ANON #include <inttypes.h> #include <string.h> #include <math.h> @@ -46,21 +47,23 @@ #include "libavutil/mathematics.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" +#include "libavutil/avassert.h" unsigned swscale_version(void) { + av_assert0(LIBSWSCALE_VERSION_MICRO >= 100); return LIBSWSCALE_VERSION_INT; } const char *swscale_configuration(void) { - return LIBAV_CONFIGURATION; + return FFMPEG_CONFIGURATION; } const char *swscale_license(void) { #define LICENSE_PREFIX "libswscale license: " - return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1; + return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1; } #define RET 0xC3 //near return opcode for x86 @@ -99,13 +102,20 @@ static const FormatEntry format_entries[PIX_FMT_NB] = { [PIX_FMT_RGBA] = { 1 , 1 }, [PIX_FMT_ABGR] = { 1 , 1 }, [PIX_FMT_BGRA] = { 1 , 1 }, + [PIX_FMT_0RGB] = { 1 , 1 }, + [PIX_FMT_RGB0] = { 1 , 1 }, + [PIX_FMT_0BGR] = { 1 , 1 }, + [PIX_FMT_BGR0] = { 1 , 1 }, [PIX_FMT_GRAY16BE] = { 1 , 1 }, [PIX_FMT_GRAY16LE] = { 1 , 1 }, [PIX_FMT_YUV440P] = { 1 , 1 }, [PIX_FMT_YUVJ440P] = { 1 , 1 }, [PIX_FMT_YUVA420P] = { 1 , 1 }, + [PIX_FMT_YUVA444P] = { 1 , 1 }, [PIX_FMT_RGB48BE] = { 1 , 1 }, [PIX_FMT_RGB48LE] = { 1 , 1 }, + [PIX_FMT_RGBA64BE] = { 0 , 0 }, + [PIX_FMT_RGBA64LE] = { 0 , 0 }, [PIX_FMT_RGB565BE] = { 1 , 1 }, [PIX_FMT_RGB565LE] = { 1 , 1 }, [PIX_FMT_RGB555BE] = { 1 , 1 }, @@ -127,6 +137,8 @@ static const FormatEntry format_entries[PIX_FMT_NB] = { [PIX_FMT_Y400A] = { 1 , 0 }, [PIX_FMT_BGR48BE] = { 1 , 1 }, [PIX_FMT_BGR48LE] = { 1 , 1 }, + [PIX_FMT_BGRA64BE] = { 0 , 0 }, + [PIX_FMT_BGRA64LE] = { 0 , 0 }, [PIX_FMT_YUV420P9BE] = { 1 , 1 }, [PIX_FMT_YUV420P9LE] = { 1 , 1 }, [PIX_FMT_YUV420P10BE] = { 1 , 1 }, @@ -139,6 +151,7 @@ static const FormatEntry format_entries[PIX_FMT_NB] = { [PIX_FMT_YUV444P9LE] = { 1 , 1 }, [PIX_FMT_YUV444P10BE] = { 1 , 1 }, [PIX_FMT_YUV444P10LE] = { 1 , 1 }, + [PIX_FMT_GBR24P] = { 1 , 0 }, [PIX_FMT_GBRP] = { 1 , 0 }, [PIX_FMT_GBRP9LE] = { 1 , 0 }, [PIX_FMT_GBRP9BE] = { 1 , 0 }, @@ -162,13 +175,12 @@ int sws_isSupportedOutput(enum PixelFormat pix_fmt) extern const int32_t ff_yuv2rgb_coeffs[8][4]; +#if FF_API_SWS_FORMAT_NAME const char *sws_format_name(enum PixelFormat format) { - if ((unsigned)format < PIX_FMT_NB && av_pix_fmt_descriptors[format].name) - return av_pix_fmt_descriptors[format].name; - else - return "Unknown format"; + return av_get_pix_fmt_name(format); } +#endif static double getSplineCoeff(double a, double b, double c, double d, double dist) { @@ -182,7 +194,7 @@ static double getSplineCoeff(double a, double b, double c, double d, double dist static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, int srcW, int dstW, int filterAlign, int one, int flags, int cpu_flags, - SwsVector *srcFilter, SwsVector *dstFilter, double param[2], int is_horizontal) + SwsVector *srcFilter, SwsVector *dstFilter, double param[2]) { int i; int filterSize; @@ -210,7 +222,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi } else if (flags&SWS_POINT) { // lame looking point sampling mode int i; - int xDstInSrc; + int64_t xDstInSrc; filterSize= 1; FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail); @@ -224,7 +236,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi } } else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) { // bilinear upscale int i; - int xDstInSrc; + int64_t xDstInSrc; filterSize= 2; FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail); @@ -236,7 +248,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi (*filterPos)[i]= xx; //bilinear upscale / linear interpolate / area averaging for (j=0; j<filterSize; j++) { - int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16); + int64_t coeff= fone - FFABS(((int64_t)xx<<16) - xDstInSrc)*(fone>>16); if (coeff<0) coeff=0; filter[i*filterSize + j]= coeff; xx++; @@ -244,7 +256,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi xDstInSrc+= xInc; } } else { - int xDstInSrc; + int64_t xDstInSrc; int sizeFactor; if (flags&SWS_BICUBIC) sizeFactor= 4; @@ -273,7 +285,7 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi int j; (*filterPos)[i]= xx; for (j=0; j<filterSize; j++) { - int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13; + int64_t d= (FFABS(((int64_t)xx<<17) - xDstInSrc))<<13; double floatd; int64_t coeff; @@ -459,29 +471,27 @@ static int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSi //FIXME try to align filterPos if possible //fix borders - if (is_horizontal) { - for (i = 0; i < dstW; i++) { - int j; - if ((*filterPos)[i] < 0) { - // move filter coefficients left to compensate for filterPos - for (j = 1; j < filterSize; j++) { - int left = FFMAX(j + (*filterPos)[i], 0); - filter[i * filterSize + left] += filter[i * filterSize + j]; - filter[i * filterSize + j ] = 0; - } - (*filterPos)[i] = 0; + for (i=0; i<dstW; i++) { + int j; + if ((*filterPos)[i] < 0) { + // move filter coefficients left to compensate for filterPos + for (j=1; j<filterSize; j++) { + int left= FFMAX(j + (*filterPos)[i], 0); + filter[i*filterSize + left] += filter[i*filterSize + j]; + filter[i*filterSize + j]=0; } + (*filterPos)[i]= 0; + } - if ((*filterPos)[i] + filterSize > srcW) { - int shift = (*filterPos)[i] + filterSize - srcW; - // move filter coefficients right to compensate for filterPos - for (j = filterSize - 2; j >= 0; j--) { - int right = FFMIN(j + shift, filterSize - 1); - filter[i * filterSize + right] += filter[i * filterSize + j]; - filter[i * filterSize + j ] = 0; - } - (*filterPos)[i] = srcW - filterSize; + if ((*filterPos)[i] + filterSize > srcW) { + int shift= (*filterPos)[i] + filterSize - srcW; + // move filter coefficients right to compensate for filterPos + for (j=filterSize-2; j>=0; j--) { + int right= FFMIN(j + shift, filterSize-1); + filter[i*filterSize +right] += filter[i*filterSize +j]; + filter[i*filterSize +j]=0; } + (*filterPos)[i]= srcW - filterSize; } } @@ -719,7 +729,7 @@ int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation) { - if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; + if (!c || isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; *inv_table = c->srcColorspaceTable; *table = c->dstColorspaceTable; @@ -743,6 +753,17 @@ static int handle_jpeg(enum PixelFormat *format) } } +static int handle_0alpha(enum PixelFormat *format) +{ + switch (*format) { + case PIX_FMT_0BGR : *format = PIX_FMT_ABGR ; return 1; + case PIX_FMT_BGR0 : *format = PIX_FMT_BGRA ; return 4; + case PIX_FMT_0RGB : *format = PIX_FMT_ARGB ; return 1; + case PIX_FMT_RGB0 : *format = PIX_FMT_RGBA ; return 4; + default: return 0; + } +} + SwsContext *sws_alloc_context(void) { SwsContext *c= av_mallocz(sizeof(SwsContext)); @@ -755,7 +776,7 @@ SwsContext *sws_alloc_context(void) int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) { - int i; + int i, j; int usesVFilter, usesHFilter; int unscaled; SwsFilter dummyFilter= {NULL, NULL, NULL, NULL}; @@ -763,7 +784,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) int srcH= c->srcH; int dstW= c->dstW; int dstH= c->dstH; - int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 16, 16), dst_stride_px = dst_stride >> 1; + int dst_stride = FFALIGN(dstW * sizeof(int16_t)+66, 16); int flags, cpu_flags; enum PixelFormat srcFormat= c->srcFormat; enum PixelFormat dstFormat= c->dstFormat; @@ -775,12 +796,23 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) unscaled = (srcW == dstW && srcH == dstH); + handle_jpeg(&srcFormat); + handle_jpeg(&dstFormat); + handle_0alpha(&srcFormat); + handle_0alpha(&dstFormat); + + if(srcFormat!=c->srcFormat || dstFormat!=c->dstFormat){ + av_log(c, AV_LOG_WARNING, "deprecated pixel format used, make sure you did set range correctly\n"); + c->srcFormat= srcFormat; + c->dstFormat= dstFormat; + } + if (!sws_isSupportedInput(srcFormat)) { - av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n", sws_format_name(srcFormat)); + av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n", av_get_pix_fmt_name(srcFormat)); return AVERROR(EINVAL); } if (!sws_isSupportedOutput(dstFormat)) { - av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n", sws_format_name(dstFormat)); + av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n", av_get_pix_fmt_name(dstFormat)); return AVERROR(EINVAL); } @@ -796,7 +828,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) |SWS_SPLINE |SWS_BICUBLIN); if(!i || (i & (i-1))) { - av_log(c, AV_LOG_ERROR, "Exactly one scaler algorithm must be chosen\n"); + av_log(c, AV_LOG_ERROR, "Exactly one scaler algorithm must be chosen, got %X\n", i); return AVERROR(EINVAL); } /* sanity check */ @@ -828,21 +860,14 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat); // reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation - if (flags & SWS_FULL_CHR_H_INT && - isAnyRGB(dstFormat) && - dstFormat != PIX_FMT_RGBA && - dstFormat != PIX_FMT_ARGB && - dstFormat != PIX_FMT_BGRA && - dstFormat != PIX_FMT_ABGR && - dstFormat != PIX_FMT_RGB24 && - dstFormat != PIX_FMT_BGR24) { - av_log(c, AV_LOG_ERROR, - "full chroma interpolation for destination format '%s' not yet implemented\n", - sws_format_name(dstFormat)); - flags &= ~SWS_FULL_CHR_H_INT; - c->flags = flags; + if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) { + if (dstW&1) { + av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to odd output size\n"); + flags |= SWS_FULL_CHR_H_INT; + c->flags = flags; + } else + c->chrDstHSubSample = 1; } - if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1; // drop some chroma lines if the user wants it c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT; @@ -869,7 +894,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) if (c->swScale) { if (flags&SWS_PRINT_INFO) av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n", - sws_format_name(srcFormat), sws_format_name(dstFormat)); + av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat)); return 0; } } @@ -880,18 +905,18 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) c->dstBpc = 1 + av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1; if (c->dstBpc < 8) c->dstBpc = 8; + if (isAnyRGB(srcFormat) || srcFormat == PIX_FMT_PAL8) + c->srcBpc = 16; if (c->dstBpc == 16) dst_stride <<= 1; - FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, - (FFALIGN(srcW, 16) * 2 * FFALIGN(c->srcBpc, 8) >> 3) + 16, - fail); + FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail); if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2 && c->srcBpc == 8 && c->dstBpc <= 10) { c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0; if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) { if (flags&SWS_PRINT_INFO) av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n"); } - if (usesHFilter) c->canMMX2BeUsed=0; + if (usesHFilter || isNBPS(c->srcFormat) || is16BPS(c->srcFormat) || isAnyRGB(c->srcFormat)) c->canMMX2BeUsed=0; } else c->canMMX2BeUsed=0; @@ -911,7 +936,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) c->chrXInc+= 20; } //we don't use the x86 asm scaler if MMX is available - else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) { + else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX && c->dstBpc <= 10) { c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; } @@ -936,15 +961,22 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) c->chrMmx2FilterCode = av_malloc(c->chrMmx2FilterCodeSize); #endif +#ifdef MAP_ANONYMOUS + if (c->lumMmx2FilterCode == MAP_FAILED || c->chrMmx2FilterCode == MAP_FAILED) +#else if (!c->lumMmx2FilterCode || !c->chrMmx2FilterCode) +#endif + { + av_log(c, AV_LOG_ERROR, "Failed to allocate MMX2FilterCode\n"); return AVERROR(ENOMEM); + } FF_ALLOCZ_OR_GOTO(c, c->hLumFilter , (dstW /8+8)*sizeof(int16_t), fail); FF_ALLOCZ_OR_GOTO(c, c->hChrFilter , (c->chrDstW /4+8)*sizeof(int16_t), fail); FF_ALLOCZ_OR_GOTO(c, c->hLumFilterPos, (dstW /2/8+8)*sizeof(int32_t), fail); FF_ALLOCZ_OR_GOTO(c, c->hChrFilterPos, (c->chrDstW/2/4+8)*sizeof(int32_t), fail); - initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->hLumFilter, c->hLumFilterPos, 8); - initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->hChrFilter, c->hChrFilterPos, 4); + initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->hLumFilter, (uint32_t*)c->hLumFilterPos, 8); + initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->hChrFilter, (uint32_t*)c->hChrFilterPos, 4); #ifdef MAP_ANONYMOUS mprotect(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, PROT_EXEC | PROT_READ); @@ -961,12 +993,12 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) if (initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc, srcW , dstW, filterAlign, 1<<14, (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, cpu_flags, - srcFilter->lumH, dstFilter->lumH, c->param, 1) < 0) + srcFilter->lumH, dstFilter->lumH, c->param) < 0) goto fail; if (initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc, c->chrSrcW, c->chrDstW, filterAlign, 1<<14, (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, cpu_flags, - srcFilter->chrH, dstFilter->chrH, c->param, 1) < 0) + srcFilter->chrH, dstFilter->chrH, c->param) < 0) goto fail; } } // initialize horizontal stuff @@ -981,12 +1013,12 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc, srcH , dstH, filterAlign, (1<<12), (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, cpu_flags, - srcFilter->lumV, dstFilter->lumV, c->param, 0) < 0) + srcFilter->lumV, dstFilter->lumV, c->param) < 0) goto fail; if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc, c->chrSrcH, c->chrDstH, filterAlign, (1<<12), (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, cpu_flags, - srcFilter->chrV, dstFilter->chrV, c->param, 0) < 0) + srcFilter->chrV, dstFilter->chrV, c->param) < 0) goto fail; #if HAVE_ALTIVEC @@ -1013,7 +1045,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) c->vLumBufSize= c->vLumFilterSize; c->vChrBufSize= c->vChrFilterSize; for (i=0; i<dstH; i++) { - int chrI= i*c->chrDstH / dstH; + int chrI= (int64_t)i*c->chrDstH / dstH; int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, ((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample)); @@ -1027,20 +1059,20 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) // allocate pixbufs (we use dynamic allocation because otherwise we would need to // allocate several megabytes to handle all possible cases) - FF_ALLOC_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize*3*sizeof(int16_t*), fail); - FF_ALLOC_OR_GOTO(c, c->chrUPixBuf, c->vChrBufSize*3*sizeof(int16_t*), fail); - FF_ALLOC_OR_GOTO(c, c->chrVPixBuf, c->vChrBufSize*3*sizeof(int16_t*), fail); + FF_ALLOC_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail); + FF_ALLOC_OR_GOTO(c, c->chrUPixBuf, c->vChrBufSize*2*sizeof(int16_t*), fail); + FF_ALLOC_OR_GOTO(c, c->chrVPixBuf, c->vChrBufSize*2*sizeof(int16_t*), fail); if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) - FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize*3*sizeof(int16_t*), fail); + FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail); //Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000) /* align at 16 bytes for AltiVec */ for (i=0; i<c->vLumBufSize; i++) { FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], dst_stride+16, fail); c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize]; } - // 64 / (c->dstBpc & ~7) is the same as 16 / sizeof(scaling_intermediate) - c->uv_off_px = dst_stride_px + 64 / (c->dstBpc &~ 7); - c->uv_off_byte = dst_stride + 16; + // 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate) + c->uv_off = (dst_stride>>1) + 64 / (c->dstBpc &~ 7); + c->uv_offx2 = dst_stride + 16; for (i=0; i<c->vChrBufSize; i++) { FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i+c->vChrBufSize], dst_stride*2+32, fail); c->chrUPixBuf[i] = c->chrUPixBuf[i+c->vChrBufSize]; @@ -1054,7 +1086,13 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) //try to avoid drawing green stuff between the right end and the stride end for (i=0; i<c->vChrBufSize; i++) - memset(c->chrUPixBuf[i], 64, dst_stride*2+1); + if(av_pix_fmt_descriptors[c->dstFormat].comp[0].depth_minus1 == 15){ + av_assert0(c->dstBpc > 10); + for(j=0; j<dst_stride/2+1; j++) + ((int32_t*)(c->chrUPixBuf[i]))[j] = 1<<18; + } else + for(j=0; j<dst_stride+1; j++) + ((int16_t*)(c->chrUPixBuf[i]))[j] = 1<<14; assert(c->chrDstH <= dstH); @@ -1073,7 +1111,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) else av_log(c, AV_LOG_INFO, "ehh flags invalid?! "); av_log(c, AV_LOG_INFO, "from %s to %s%s ", - sws_format_name(srcFormat), + av_get_pix_fmt_name(srcFormat), #ifdef DITHER1XBPP dstFormat == PIX_FMT_BGR555 || dstFormat == PIX_FMT_BGR565 || dstFormat == PIX_FMT_RGB444BE || dstFormat == PIX_FMT_RGB444LE || @@ -1081,7 +1119,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) #else "", #endif - sws_format_name(dstFormat)); + av_get_pix_fmt_name(dstFormat)); if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) av_log(c, AV_LOG_INFO, "using MMX2\n"); else if (HAVE_AMD3DNOW && cpu_flags & AV_CPU_FLAG_3DNOW) av_log(c, AV_LOG_INFO, "using 3DNOW\n"); @@ -1119,6 +1157,8 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, c->dstH= dstH; c->srcRange = handle_jpeg(&srcFormat); c->dstRange = handle_jpeg(&dstFormat); + c->src0Alpha = handle_0alpha(&srcFormat); + c->dst0Alpha = handle_0alpha(&dstFormat); c->srcFormat= srcFormat; c->dstFormat= dstFormat; @@ -1482,7 +1522,7 @@ void sws_freeContext(SwsContext *c) #endif /* HAVE_MMX */ av_freep(&c->yuvTable); - av_free(c->formatConvBuffer); + av_freep(&c->formatConvBuffer); av_free(c); } @@ -1517,10 +1557,12 @@ struct SwsContext *sws_getCachedContext(struct SwsContext *context, context->srcW = srcW; context->srcH = srcH; context->srcRange = handle_jpeg(&srcFormat); + context->src0Alpha = handle_0alpha(&srcFormat); context->srcFormat = srcFormat; context->dstW = dstW; context->dstH = dstH; context->dstRange = handle_jpeg(&dstFormat); + context->dst0Alpha = handle_0alpha(&dstFormat); context->dstFormat = dstFormat; context->flags = flags; context->param[0] = param[0]; |
