diff options
Diffstat (limited to 'libswscale/utils.c')
-rw-r--r-- | libswscale/utils.c | 1533 |
1 files changed, 1063 insertions, 470 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index dcac4b4829..576d8f0d5a 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1,27 +1,28 @@ /* * 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 */ #include "config.h" +#define _DEFAULT_SOURCE #define _SVID_SOURCE // needed for MAP_ANONYMOUS -#include <assert.h> +#define _DARWIN_C_SOURCE // needed for MAP_ANON #include <inttypes.h> #include <math.h> #include <stdio.h> @@ -38,38 +39,56 @@ #endif #include "libavutil/attributes.h" +#include "libavutil/avassert.h" #include "libavutil/avutil.h" #include "libavutil/bswap.h" #include "libavutil/cpu.h" +#include "libavutil/imgutils.h" #include "libavutil/intreadwrite.h" +#include "libavutil/libm.h" #include "libavutil/mathematics.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" +#include "libavutil/aarch64/cpu.h" #include "libavutil/ppc/cpu.h" #include "libavutil/x86/asm.h" #include "libavutil/x86/cpu.h" + +// We have to implement deprecated functions until they are removed, this is the +// simplest way to prevent warnings +#undef attribute_deprecated +#define attribute_deprecated + #include "rgb2rgb.h" #include "swscale.h" #include "swscale_internal.h" +#if !FF_API_SWS_VECTOR +static SwsVector *sws_getIdentityVec(void); +static void sws_addVec(SwsVector *a, SwsVector *b); +static void sws_shiftVec(SwsVector *a, int shift); +static void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level); +#endif + +static void handle_formats(SwsContext *c); + 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 - typedef struct FormatEntry { uint8_t is_supported_in :1; uint8_t is_supported_out :1; @@ -90,6 +109,7 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = { [AV_PIX_FMT_MONOBLACK] = { 1, 1 }, [AV_PIX_FMT_PAL8] = { 1, 0 }, [AV_PIX_FMT_YUVJ420P] = { 1, 1 }, + [AV_PIX_FMT_YUVJ411P] = { 1, 1 }, [AV_PIX_FMT_YUVJ422P] = { 1, 1 }, [AV_PIX_FMT_YUVJ444P] = { 1, 1 }, [AV_PIX_FMT_YVYU422] = { 1, 1 }, @@ -107,10 +127,18 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = { [AV_PIX_FMT_RGBA] = { 1, 1 }, [AV_PIX_FMT_ABGR] = { 1, 1 }, [AV_PIX_FMT_BGRA] = { 1, 1 }, + [AV_PIX_FMT_0RGB] = { 1, 1 }, + [AV_PIX_FMT_RGB0] = { 1, 1 }, + [AV_PIX_FMT_0BGR] = { 1, 1 }, + [AV_PIX_FMT_BGR0] = { 1, 1 }, [AV_PIX_FMT_GRAY16BE] = { 1, 1 }, [AV_PIX_FMT_GRAY16LE] = { 1, 1 }, [AV_PIX_FMT_YUV440P] = { 1, 1 }, [AV_PIX_FMT_YUVJ440P] = { 1, 1 }, + [AV_PIX_FMT_YUV440P10LE] = { 1, 1 }, + [AV_PIX_FMT_YUV440P10BE] = { 1, 1 }, + [AV_PIX_FMT_YUV440P12LE] = { 1, 1 }, + [AV_PIX_FMT_YUV440P12BE] = { 1, 1 }, [AV_PIX_FMT_YUVA420P] = { 1, 1 }, [AV_PIX_FMT_YUVA422P] = { 1, 1 }, [AV_PIX_FMT_YUVA444P] = { 1, 1 }, @@ -134,8 +162,8 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = { [AV_PIX_FMT_YUVA444P16LE]= { 1, 1 }, [AV_PIX_FMT_RGB48BE] = { 1, 1 }, [AV_PIX_FMT_RGB48LE] = { 1, 1 }, - [AV_PIX_FMT_RGBA64BE] = { 0, 0, 1 }, - [AV_PIX_FMT_RGBA64LE] = { 0, 0, 1 }, + [AV_PIX_FMT_RGBA64BE] = { 1, 1, 1 }, + [AV_PIX_FMT_RGBA64LE] = { 1, 1, 1 }, [AV_PIX_FMT_RGB565BE] = { 1, 1 }, [AV_PIX_FMT_RGB565LE] = { 1, 1 }, [AV_PIX_FMT_RGB555BE] = { 1, 1 }, @@ -154,37 +182,72 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = { [AV_PIX_FMT_RGB444BE] = { 1, 1 }, [AV_PIX_FMT_BGR444LE] = { 1, 1 }, [AV_PIX_FMT_BGR444BE] = { 1, 1 }, - [AV_PIX_FMT_YA8] = { 1, 0 }, + [AV_PIX_FMT_YA8] = { 1, 1 }, [AV_PIX_FMT_YA16BE] = { 1, 0 }, [AV_PIX_FMT_YA16LE] = { 1, 0 }, [AV_PIX_FMT_BGR48BE] = { 1, 1 }, [AV_PIX_FMT_BGR48LE] = { 1, 1 }, - [AV_PIX_FMT_BGRA64BE] = { 0, 0, 1 }, - [AV_PIX_FMT_BGRA64LE] = { 0, 0, 1 }, + [AV_PIX_FMT_BGRA64BE] = { 1, 1, 1 }, + [AV_PIX_FMT_BGRA64LE] = { 1, 1, 1 }, [AV_PIX_FMT_YUV420P9BE] = { 1, 1 }, [AV_PIX_FMT_YUV420P9LE] = { 1, 1 }, [AV_PIX_FMT_YUV420P10BE] = { 1, 1 }, [AV_PIX_FMT_YUV420P10LE] = { 1, 1 }, + [AV_PIX_FMT_YUV420P12BE] = { 1, 1 }, + [AV_PIX_FMT_YUV420P12LE] = { 1, 1 }, + [AV_PIX_FMT_YUV420P14BE] = { 1, 1 }, + [AV_PIX_FMT_YUV420P14LE] = { 1, 1 }, [AV_PIX_FMT_YUV422P9BE] = { 1, 1 }, [AV_PIX_FMT_YUV422P9LE] = { 1, 1 }, [AV_PIX_FMT_YUV422P10BE] = { 1, 1 }, [AV_PIX_FMT_YUV422P10LE] = { 1, 1 }, + [AV_PIX_FMT_YUV422P12BE] = { 1, 1 }, + [AV_PIX_FMT_YUV422P12LE] = { 1, 1 }, + [AV_PIX_FMT_YUV422P14BE] = { 1, 1 }, + [AV_PIX_FMT_YUV422P14LE] = { 1, 1 }, [AV_PIX_FMT_YUV444P9BE] = { 1, 1 }, [AV_PIX_FMT_YUV444P9LE] = { 1, 1 }, [AV_PIX_FMT_YUV444P10BE] = { 1, 1 }, [AV_PIX_FMT_YUV444P10LE] = { 1, 1 }, + [AV_PIX_FMT_YUV444P12BE] = { 1, 1 }, + [AV_PIX_FMT_YUV444P12LE] = { 1, 1 }, + [AV_PIX_FMT_YUV444P14BE] = { 1, 1 }, + [AV_PIX_FMT_YUV444P14LE] = { 1, 1 }, [AV_PIX_FMT_GBRP] = { 1, 1 }, [AV_PIX_FMT_GBRP9LE] = { 1, 1 }, [AV_PIX_FMT_GBRP9BE] = { 1, 1 }, [AV_PIX_FMT_GBRP10LE] = { 1, 1 }, [AV_PIX_FMT_GBRP10BE] = { 1, 1 }, + [AV_PIX_FMT_GBRAP10LE] = { 1, 0 }, + [AV_PIX_FMT_GBRAP10BE] = { 1, 0 }, + [AV_PIX_FMT_GBRP12LE] = { 1, 1 }, + [AV_PIX_FMT_GBRP12BE] = { 1, 1 }, + [AV_PIX_FMT_GBRAP12LE] = { 1, 0 }, + [AV_PIX_FMT_GBRAP12BE] = { 1, 0 }, + [AV_PIX_FMT_GBRP14LE] = { 1, 1 }, + [AV_PIX_FMT_GBRP14BE] = { 1, 1 }, [AV_PIX_FMT_GBRP16LE] = { 1, 0 }, [AV_PIX_FMT_GBRP16BE] = { 1, 0 }, [AV_PIX_FMT_GBRAP] = { 1, 1 }, [AV_PIX_FMT_GBRAP16LE] = { 1, 0 }, [AV_PIX_FMT_GBRAP16BE] = { 1, 0 }, - [AV_PIX_FMT_XYZ12BE] = { 0, 0, 1 }, - [AV_PIX_FMT_XYZ12LE] = { 0, 0, 1 }, + [AV_PIX_FMT_BAYER_BGGR8] = { 1, 0 }, + [AV_PIX_FMT_BAYER_RGGB8] = { 1, 0 }, + [AV_PIX_FMT_BAYER_GBRG8] = { 1, 0 }, + [AV_PIX_FMT_BAYER_GRBG8] = { 1, 0 }, + [AV_PIX_FMT_BAYER_BGGR16LE] = { 1, 0 }, + [AV_PIX_FMT_BAYER_BGGR16BE] = { 1, 0 }, + [AV_PIX_FMT_BAYER_RGGB16LE] = { 1, 0 }, + [AV_PIX_FMT_BAYER_RGGB16BE] = { 1, 0 }, + [AV_PIX_FMT_BAYER_GBRG16LE] = { 1, 0 }, + [AV_PIX_FMT_BAYER_GBRG16BE] = { 1, 0 }, + [AV_PIX_FMT_BAYER_GRBG16LE] = { 1, 0 }, + [AV_PIX_FMT_BAYER_GRBG16BE] = { 1, 0 }, + [AV_PIX_FMT_XYZ12BE] = { 1, 1, 1 }, + [AV_PIX_FMT_XYZ12LE] = { 1, 1, 1 }, + [AV_PIX_FMT_AYUV64LE] = { 1, 1}, + [AV_PIX_FMT_P010LE] = { 1, 0 }, + [AV_PIX_FMT_P010BE] = { 1, 0 }, }; int sws_isSupportedInput(enum AVPixelFormat pix_fmt) @@ -205,15 +268,6 @@ int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt) format_entries[pix_fmt].is_supported_endianness : 0; } -const char *sws_format_name(enum AVPixelFormat format) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format); - if (desc) - return desc->name; - else - return "Unknown format"; -} - static double getSplineCoeff(double a, double b, double c, double d, double dist) { @@ -227,12 +281,41 @@ static double getSplineCoeff(double a, double b, double c, double d, dist - 1.0); } +static av_cold int get_local_pos(SwsContext *s, int chr_subsample, int pos, int dir) +{ + if (pos == -1 || pos <= -513) { + pos = (128 << chr_subsample) - 128; + } + pos += 128; // relative to ideal left edge + return pos >> chr_subsample; +} + +typedef struct { + int flag; ///< flag associated to the algorithm + const char *description; ///< human-readable description + int size_factor; ///< size factor used when initing the filters +} ScaleAlgorithm; + +static const ScaleAlgorithm scale_algorithms[] = { + { SWS_AREA, "area averaging", 1 /* downscale only, for upscale it is bilinear */ }, + { SWS_BICUBIC, "bicubic", 4 }, + { SWS_BICUBLIN, "luma bicubic / chroma bilinear", -1 }, + { SWS_BILINEAR, "bilinear", 2 }, + { SWS_FAST_BILINEAR, "fast bilinear", -1 }, + { SWS_GAUSS, "Gaussian", 8 /* infinite ;) */ }, + { SWS_LANCZOS, "Lanczos", -1 /* custom */ }, + { SWS_POINT, "nearest neighbor / point", -1 }, + { SWS_SINC, "sinc", 20 /* infinite ;) */ }, + { SWS_SPLINE, "bicubic spline", 20 /* infinite :)*/ }, + { SWS_X, "experimental", 8 }, +}; + static av_cold int initFilter(int16_t **outFilter, int32_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) + double param[2], int srcPos, int dstPos) { int i; int filterSize; @@ -240,19 +323,19 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, int minFilterSize; int64_t *filter = NULL; int64_t *filter2 = NULL; - const int64_t fone = 1LL << 54; + const int64_t fone = 1LL << (54 - FFMIN(av_log2(srcW/dstW), 8)); int ret = -1; emms_c(); // FIXME should not be required but IS (even for non-MMX versions) // NOTE: the +3 is for the MMX(+1) / SSE(+3) scaler which reads over the end - FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW + 3) * sizeof(**filterPos), fail); + FF_ALLOC_ARRAY_OR_GOTO(NULL, *filterPos, (dstW + 3), sizeof(**filterPos), fail); - if (FFABS(xInc - 0x10000) < 10) { // unscaled + if (FFABS(xInc - 0x10000) < 10 && srcPos == dstPos) { // unscaled int i; filterSize = 1; - FF_ALLOCZ_OR_GOTO(NULL, filter, - dstW * sizeof(*filter) * filterSize, fail); + FF_ALLOCZ_ARRAY_OR_GOTO(NULL, filter, + dstW, sizeof(*filter) * filterSize, fail); for (i = 0; i < dstW; i++) { filter[i * filterSize] = fone; @@ -260,12 +343,12 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, } } 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); + FF_ALLOC_ARRAY_OR_GOTO(NULL, filter, + dstW, sizeof(*filter) * filterSize, fail); - xDstInSrc = xInc / 2 - 0x8000; + xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7); for (i = 0; i < dstW; i++) { int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16; @@ -276,12 +359,12 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, } 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); + FF_ALLOC_ARRAY_OR_GOTO(NULL, filter, + dstW, sizeof(*filter) * filterSize, fail); - xDstInSrc = xInc / 2 - 0x8000; + xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7); for (i = 0; i < dstW; i++) { int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16; int j; @@ -289,8 +372,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, (*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; @@ -300,28 +382,17 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, } } else { int64_t xDstInSrc; - int sizeFactor; - - if (flags & SWS_BICUBIC) - sizeFactor = 4; - else if (flags & SWS_X) - sizeFactor = 8; - else if (flags & SWS_AREA) - sizeFactor = 1; // downscale only, for upscale it is bilinear - else if (flags & SWS_GAUSS) - sizeFactor = 8; // infinite ;) - else if (flags & SWS_LANCZOS) - sizeFactor = param[0] != SWS_PARAM_DEFAULT ? ceil(2 * param[0]) : 6; - else if (flags & SWS_SINC) - sizeFactor = 20; // infinite ;) - else if (flags & SWS_SPLINE) - sizeFactor = 20; // infinite ;) - else if (flags & SWS_BILINEAR) - sizeFactor = 2; - else { - sizeFactor = 0; // GCC warning killer - assert(0); + int sizeFactor = -1; + + for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) { + if (flags & scale_algorithms[i].flag && scale_algorithms[i].size_factor > 0) { + sizeFactor = scale_algorithms[i].size_factor; + break; + } } + if (flags & SWS_LANCZOS) + sizeFactor = param[0] != SWS_PARAM_DEFAULT ? ceil(2 * param[0]) : 6; + av_assert0(sizeFactor > 0); if (xInc <= 1 << 16) filterSize = 1 + sizeFactor; // upscale @@ -331,16 +402,16 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, filterSize = FFMIN(filterSize, srcW - 2); filterSize = FFMAX(filterSize, 1); - FF_ALLOC_OR_GOTO(NULL, filter, - dstW * sizeof(*filter) * filterSize, fail); + FF_ALLOC_ARRAY_OR_GOTO(NULL, filter, + dstW, sizeof(*filter) * filterSize, fail); - xDstInSrc = xInc - 0x10000; + xDstInSrc = ((dstPos*(int64_t)xInc)>>7) - ((srcPos*0x10000LL)>>7); for (i = 0; i < dstW; i++) { - int xx = (xDstInSrc - ((int64_t)(filterSize - 2) << 16)) / (1 << 17); + int xx = (xDstInSrc - (filterSize - 2) * (1LL<<16)) / (1 << 17); int j; (*filterPos)[i] = xx; for (j = 0; j < filterSize; j++) { - int64_t d = (FFABS(((int64_t)xx << 17) - xDstInSrc)) << 13; + int64_t d = (FFABS(((int64_t)xx * (1 << 17)) - xDstInSrc)) << 13; double floatd; int64_t coeff; @@ -368,7 +439,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, (-12 * B - 48 * C) * d + (8 * B + 24 * C) * (1 << 30); } - coeff *= fone >> (30 + 24); + coeff /= (1LL<<54)/fone; } #if 0 else if (flags & SWS_X) { @@ -401,7 +472,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, coeff *= fone >> (30 + 16); } else if (flags & SWS_GAUSS) { double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; - coeff = (pow(2.0, -p * floatd * floatd)) * fone; + coeff = exp2(-p * floatd * floatd) * fone; } else if (flags & SWS_SINC) { coeff = (d ? sin(floatd * M_PI) / (floatd * M_PI) : 1.0) * fone; } else if (flags & SWS_LANCZOS) { @@ -419,8 +490,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, double p = -2.196152422706632; coeff = getSplineCoeff(1.0, 0.0, p, -p - 1.0, floatd) * fone; } else { - coeff = 0.0; // GCC warning killer - assert(0); + av_assert0(0); } filter[i * filterSize + j] = coeff; @@ -433,14 +503,14 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, /* apply src & dst Filter to filter -> filter2 * av_free(filter); */ - assert(filterSize > 0); + av_assert0(filterSize > 0); filter2Size = filterSize; if (srcFilter) filter2Size += srcFilter->length - 1; if (dstFilter) filter2Size += dstFilter->length - 1; - assert(filter2Size > 0); - FF_ALLOCZ_OR_GOTO(NULL, filter2, filter2Size * dstW * sizeof(*filter2), fail); + av_assert0(filter2Size > 0); + FF_ALLOCZ_ARRAY_OR_GOTO(NULL, filter2, dstW, filter2Size * sizeof(*filter2), fail); for (i = 0; i < dstW; i++) { int j, k; @@ -515,19 +585,23 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, filterAlign = 1; } - if (INLINE_MMX(cpu_flags)) { + if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) { // special case for unscaled vertical filtering if (minFilterSize == 1 && filterAlign == 2) filterAlign = 1; } - assert(minFilterSize > 0); + av_assert0(minFilterSize > 0); filterSize = (minFilterSize + (filterAlign - 1)) & (~(filterAlign - 1)); - assert(filterSize > 0); - filter = av_malloc(filterSize * dstW * sizeof(*filter)); + av_assert0(filterSize > 0); + filter = av_malloc_array(dstW, filterSize * sizeof(*filter)); + if (!filter) + goto fail; if (filterSize >= MAX_FILTER_SIZE * 16 / - ((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter) + ((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16)) { + ret = RETCODE_USE_CASCADE; goto fail; + } *outFilterSize = filterSize; if (flags & SWS_PRINT_INFO) @@ -551,36 +625,52 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, // 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] + FFMIN(filterSize - srcW, 0); + int64_t acc = 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; + for (j = filterSize - 1; j >= 0; j--) { + if ((*filterPos)[i] + j >= srcW) { + acc += filter[i * filterSize + j]; + filter[i * filterSize + j] = 0; + } + } + for (j = filterSize - 1; j >= 0; j--) { + if (j < shift) { + filter[i * filterSize + j] = 0; + } else { + filter[i * filterSize + j] = filter[i * filterSize + j - shift]; } - (*filterPos)[i] = srcW - filterSize; + } + + (*filterPos)[i]-= shift; + filter[i * filterSize + srcW - 1 - (*filterPos)[i]] += acc; + } + av_assert0((*filterPos)[i] >= 0); + av_assert0((*filterPos)[i] < srcW); + if ((*filterPos)[i] + filterSize > srcW) { + for (j = 0; j < filterSize; j++) { + av_assert0((*filterPos)[i] + j < srcW || !filter[i * filterSize + j]); } } } // Note the +1 is for the MMX scaler which reads over the end /* align at 16 for AltiVec (needed by hScale_altivec_real) */ - FF_ALLOCZ_OR_GOTO(NULL, *outFilter, - *outFilterSize * (dstW + 3) * sizeof(int16_t), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(NULL, *outFilter, + (dstW + 3), *outFilterSize * sizeof(int16_t), fail); /* normalize & store in outFilter */ for (i = 0; i < dstW; i++) { @@ -592,6 +682,10 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, sum += filter[i * filterSize + j]; } sum = (sum + one / 2) / one; + if (!sum) { + av_log(NULL, AV_LOG_WARNING, "SwScaler: zero vector in scaling\n"); + sum = 1; + } for (j = 0; j < *outFilterSize; j++) { int64_t v = filter[i * filterSize + j] + error; int intV = ROUNDED_DIV(v, sum); @@ -614,211 +708,275 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, ret = 0; fail: + if(ret < 0) + av_log(NULL, ret == RETCODE_USE_CASCADE ? AV_LOG_DEBUG : AV_LOG_ERROR, "sws: initFilter failed\n"); av_free(filter); av_free(filter2); return ret; } -#if HAVE_MMXEXT_INLINE -static av_cold int init_hscaler_mmxext(int dstW, int xInc, uint8_t *filterCode, - int16_t *filter, int32_t *filterPos, - int numSplits) +static void fill_rgb2yuv_table(SwsContext *c, const int table[4], int dstRange) { - uint8_t *fragmentA; - x86_reg imm8OfPShufW1A; - x86_reg imm8OfPShufW2A; - x86_reg fragmentLengthA; - uint8_t *fragmentB; - x86_reg imm8OfPShufW1B; - x86_reg imm8OfPShufW2B; - x86_reg fragmentLengthB; - int fragmentPos; - - int xpos, i; - - // create an optimized horizontal scaling routine - /* This scaler is made of runtime-generated MMXEXT code using specially tuned - * pshufw instructions. For every four output pixels, if four input pixels - * are enough for the fast bilinear scaling, then a chunk of fragmentB is - * used. If five input pixels are needed, then a chunk of fragmentA is used. - */ - - // code fragment - - __asm__ volatile ( - "jmp 9f \n\t" - // Begin - "0: \n\t" - "movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" - "movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" - "movd 1(%%"REG_c", %%"REG_S"), %%mm1 \n\t" - "punpcklbw %%mm7, %%mm1 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "pshufw $0xFF, %%mm1, %%mm1 \n\t" - "1: \n\t" - "pshufw $0xFF, %%mm0, %%mm0 \n\t" - "2: \n\t" - "psubw %%mm1, %%mm0 \n\t" - "movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" - "pmullw %%mm3, %%mm0 \n\t" - "psllw $7, %%mm1 \n\t" - "paddw %%mm1, %%mm0 \n\t" - - "movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" - - "add $8, %%"REG_a" \n\t" - // End - "9: \n\t" - // "int $3 \n\t" - "lea " LOCAL_MANGLE(0b) ", %0 \n\t" - "lea " LOCAL_MANGLE(1b) ", %1 \n\t" - "lea " LOCAL_MANGLE(2b) ", %2 \n\t" - "dec %1 \n\t" - "dec %2 \n\t" - "sub %0, %1 \n\t" - "sub %0, %2 \n\t" - "lea " LOCAL_MANGLE(9b) ", %3 \n\t" - "sub %0, %3 \n\t" - - - : "=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A), - "=r" (fragmentLengthA) - ); - - __asm__ volatile ( - "jmp 9f \n\t" - // Begin - "0: \n\t" - "movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" - "movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "pshufw $0xFF, %%mm0, %%mm1 \n\t" - "1: \n\t" - "pshufw $0xFF, %%mm0, %%mm0 \n\t" - "2: \n\t" - "psubw %%mm1, %%mm0 \n\t" - "movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" - "pmullw %%mm3, %%mm0 \n\t" - "psllw $7, %%mm1 \n\t" - "paddw %%mm1, %%mm0 \n\t" - - "movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" - - "add $8, %%"REG_a" \n\t" - // End - "9: \n\t" - // "int $3 \n\t" - "lea " LOCAL_MANGLE(0b) ", %0 \n\t" - "lea " LOCAL_MANGLE(1b) ", %1 \n\t" - "lea " LOCAL_MANGLE(2b) ", %2 \n\t" - "dec %1 \n\t" - "dec %2 \n\t" - "sub %0, %1 \n\t" - "sub %0, %2 \n\t" - "lea " LOCAL_MANGLE(9b) ", %3 \n\t" - "sub %0, %3 \n\t" - - - : "=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B), - "=r" (fragmentLengthB) - ); - - xpos = 0; // lumXInc/2 - 0x8000; // difference between pixel centers - fragmentPos = 0; - - for (i = 0; i < dstW / numSplits; i++) { - int xx = xpos >> 16; - - if ((i & 3) == 0) { - int a = 0; - int b = ((xpos + xInc) >> 16) - xx; - int c = ((xpos + xInc * 2) >> 16) - xx; - int d = ((xpos + xInc * 3) >> 16) - xx; - int inc = (d + 1 < 4); - uint8_t *fragment = (d + 1 < 4) ? fragmentB : fragmentA; - x86_reg imm8OfPShufW1 = (d + 1 < 4) ? imm8OfPShufW1B : imm8OfPShufW1A; - x86_reg imm8OfPShufW2 = (d + 1 < 4) ? imm8OfPShufW2B : imm8OfPShufW2A; - x86_reg fragmentLength = (d + 1 < 4) ? fragmentLengthB : fragmentLengthA; - int maxShift = 3 - (d + inc); - int shift = 0; - - if (filterCode) { - filter[i] = ((xpos & 0xFFFF) ^ 0xFFFF) >> 9; - filter[i + 1] = (((xpos + xInc) & 0xFFFF) ^ 0xFFFF) >> 9; - filter[i + 2] = (((xpos + xInc * 2) & 0xFFFF) ^ 0xFFFF) >> 9; - filter[i + 3] = (((xpos + xInc * 3) & 0xFFFF) ^ 0xFFFF) >> 9; - filterPos[i / 2] = xx; - - memcpy(filterCode + fragmentPos, fragment, fragmentLength); - - filterCode[fragmentPos + imm8OfPShufW1] = (a + inc) | - ((b + inc) << 2) | - ((c + inc) << 4) | - ((d + inc) << 6); - filterCode[fragmentPos + imm8OfPShufW2] = a | (b << 2) | - (c << 4) | - (d << 6); - - if (i + 4 - inc >= dstW) - shift = maxShift; // avoid overread - else if ((filterPos[i / 2] & 3) <= maxShift) - shift = filterPos[i / 2] & 3; // align - - if (shift && i >= shift) { - filterCode[fragmentPos + imm8OfPShufW1] += 0x55 * shift; - filterCode[fragmentPos + imm8OfPShufW2] += 0x55 * shift; - filterPos[i / 2] -= shift; - } - } - - fragmentPos += fragmentLength; - - if (filterCode) - filterCode[fragmentPos] = RET; - } - xpos += xInc; + int64_t W, V, Z, Cy, Cu, Cv; + int64_t vr = table[0]; + int64_t ub = table[1]; + int64_t ug = -table[2]; + int64_t vg = -table[3]; + int64_t ONE = 65536; + int64_t cy = ONE; + uint8_t *p = (uint8_t*)c->input_rgb2yuv_table; + int i; + static const int8_t map[] = { + BY_IDX, GY_IDX, -1 , BY_IDX, BY_IDX, GY_IDX, -1 , BY_IDX, + RY_IDX, -1 , GY_IDX, RY_IDX, RY_IDX, -1 , GY_IDX, RY_IDX, + RY_IDX, GY_IDX, -1 , RY_IDX, RY_IDX, GY_IDX, -1 , RY_IDX, + BY_IDX, -1 , GY_IDX, BY_IDX, BY_IDX, -1 , GY_IDX, BY_IDX, + BU_IDX, GU_IDX, -1 , BU_IDX, BU_IDX, GU_IDX, -1 , BU_IDX, + RU_IDX, -1 , GU_IDX, RU_IDX, RU_IDX, -1 , GU_IDX, RU_IDX, + RU_IDX, GU_IDX, -1 , RU_IDX, RU_IDX, GU_IDX, -1 , RU_IDX, + BU_IDX, -1 , GU_IDX, BU_IDX, BU_IDX, -1 , GU_IDX, BU_IDX, + BV_IDX, GV_IDX, -1 , BV_IDX, BV_IDX, GV_IDX, -1 , BV_IDX, + RV_IDX, -1 , GV_IDX, RV_IDX, RV_IDX, -1 , GV_IDX, RV_IDX, + RV_IDX, GV_IDX, -1 , RV_IDX, RV_IDX, GV_IDX, -1 , RV_IDX, + BV_IDX, -1 , GV_IDX, BV_IDX, BV_IDX, -1 , GV_IDX, BV_IDX, + RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, + BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, + GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , + -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, + RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, + BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, + GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , + -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, + RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, + BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, + GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , + -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, //23 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //24 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //25 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //26 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //27 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //28 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //29 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //30 + -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //31 + BY_IDX, GY_IDX, RY_IDX, -1 , -1 , -1 , -1 , -1 , //32 + BU_IDX, GU_IDX, RU_IDX, -1 , -1 , -1 , -1 , -1 , //33 + BV_IDX, GV_IDX, RV_IDX, -1 , -1 , -1 , -1 , -1 , //34 + }; + + dstRange = 0; //FIXME range = 1 is handled elsewhere + + if (!dstRange) { + cy = cy * 255 / 219; + } else { + vr = vr * 224 / 255; + ub = ub * 224 / 255; + ug = ug * 224 / 255; + vg = vg * 224 / 255; } - if (filterCode) - filterPos[((i / 2) + 1) & (~1)] = xpos >> 16; // needed to jump to the next part - - return fragmentPos + 1; + W = ROUNDED_DIV(ONE*ONE*ug, ub); + V = ROUNDED_DIV(ONE*ONE*vg, vr); + Z = ONE*ONE-W-V; + + Cy = ROUNDED_DIV(cy*Z, ONE); + Cu = ROUNDED_DIV(ub*Z, ONE); + Cv = ROUNDED_DIV(vr*Z, ONE); + + c->input_rgb2yuv_table[RY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cy); + c->input_rgb2yuv_table[GY_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cy); + c->input_rgb2yuv_table[BY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cy); + + c->input_rgb2yuv_table[RU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cu); + c->input_rgb2yuv_table[GU_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cu); + c->input_rgb2yuv_table[BU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(Z+W) , Cu); + + c->input_rgb2yuv_table[RV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(V+Z) , Cv); + c->input_rgb2yuv_table[GV_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cv); + c->input_rgb2yuv_table[BV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cv); + + if(/*!dstRange && */!memcmp(table, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], sizeof(ff_yuv2rgb_coeffs[SWS_CS_DEFAULT]))) { + c->input_rgb2yuv_table[BY_IDX] = ((int)(0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[BV_IDX] = (-(int)(0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[BU_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[GY_IDX] = ((int)(0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[GV_IDX] = (-(int)(0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[GU_IDX] = (-(int)(0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[RY_IDX] = ((int)(0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[RV_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + c->input_rgb2yuv_table[RU_IDX] = (-(int)(0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)); + } + for(i=0; i<FF_ARRAY_ELEMS(map); i++) + AV_WL16(p + 16*4 + 2*i, map[i] >= 0 ? c->input_rgb2yuv_table[map[i]] : 0); } -#endif /* HAVE_MMXEXT_INLINE */ -static void getSubSampleFactors(int *h, int *v, enum AVPixelFormat format) +static void fill_xyztables(struct SwsContext *c) { - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format); - *h = desc->log2_chroma_w; - *v = desc->log2_chroma_h; + int i; + double xyzgamma = XYZ_GAMMA; + double rgbgamma = 1.0 / RGB_GAMMA; + double xyzgammainv = 1.0 / XYZ_GAMMA; + double rgbgammainv = RGB_GAMMA; + static const int16_t xyz2rgb_matrix[3][4] = { + {13270, -6295, -2041}, + {-3969, 7682, 170}, + { 228, -835, 4329} }; + static const int16_t rgb2xyz_matrix[3][4] = { + {1689, 1464, 739}, + { 871, 2929, 296}, + { 79, 488, 3891} }; + static int16_t xyzgamma_tab[4096], rgbgamma_tab[4096], xyzgammainv_tab[4096], rgbgammainv_tab[4096]; + + memcpy(c->xyz2rgb_matrix, xyz2rgb_matrix, sizeof(c->xyz2rgb_matrix)); + memcpy(c->rgb2xyz_matrix, rgb2xyz_matrix, sizeof(c->rgb2xyz_matrix)); + c->xyzgamma = xyzgamma_tab; + c->rgbgamma = rgbgamma_tab; + c->xyzgammainv = xyzgammainv_tab; + c->rgbgammainv = rgbgammainv_tab; + + if (rgbgamma_tab[4095]) + return; + + /* set gamma vectors */ + for (i = 0; i < 4096; i++) { + xyzgamma_tab[i] = lrint(pow(i / 4095.0, xyzgamma) * 4095.0); + rgbgamma_tab[i] = lrint(pow(i / 4095.0, rgbgamma) * 4095.0); + xyzgammainv_tab[i] = lrint(pow(i / 4095.0, xyzgammainv) * 4095.0); + rgbgammainv_tab[i] = lrint(pow(i / 4095.0, rgbgammainv) * 4095.0); + } } int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation) { - const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat); - const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat); - memcpy(c->srcColorspaceTable, inv_table, sizeof(int) * 4); - memcpy(c->dstColorspaceTable, table, sizeof(int) * 4); + const AVPixFmtDescriptor *desc_dst; + const AVPixFmtDescriptor *desc_src; + int need_reinit = 0; + + handle_formats(c); + desc_dst = av_pix_fmt_desc_get(c->dstFormat); + desc_src = av_pix_fmt_desc_get(c->srcFormat); + + if(!isYUV(c->dstFormat) && !isGray(c->dstFormat)) + dstRange = 0; + if(!isYUV(c->srcFormat) && !isGray(c->srcFormat)) + srcRange = 0; + + if (c->srcRange != srcRange || + c->dstRange != dstRange || + c->brightness != brightness || + c->contrast != contrast || + c->saturation != saturation || + memcmp(c->srcColorspaceTable, inv_table, sizeof(int) * 4) || + memcmp(c->dstColorspaceTable, table, sizeof(int) * 4) + ) + need_reinit = 1; + + memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4); + memmove(c->dstColorspaceTable, table, sizeof(int) * 4); + + c->brightness = brightness; c->contrast = contrast; c->saturation = saturation; c->srcRange = srcRange; c->dstRange = dstRange; - if (isYUV(c->dstFormat) || isGray(c->dstFormat)) - return -1; + + //The srcBpc check is possibly wrong but we seem to lack a definitive reference to test this + //and what we have in ticket 2939 looks better with this check + if (need_reinit && (c->srcBpc == 8 || !isYUV(c->srcFormat))) + ff_sws_init_range_convert(c); c->dstFormatBpp = av_get_bits_per_pixel(desc_dst); c->srcFormatBpp = av_get_bits_per_pixel(desc_src); - ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, - contrast, saturation); - // FIXME factorize + if (c->cascaded_context[c->cascaded_mainindex]) + return sws_setColorspaceDetails(c->cascaded_context[c->cascaded_mainindex],inv_table, srcRange,table, dstRange, brightness, contrast, saturation); + + if (!need_reinit) + return 0; + + if ((isYUV(c->dstFormat) || isGray(c->dstFormat)) && (isYUV(c->srcFormat) || isGray(c->srcFormat))) { + if (!c->cascaded_context[0] && + memcmp(c->dstColorspaceTable, c->srcColorspaceTable, sizeof(int) * 4) && + c->srcW && c->srcH && c->dstW && c->dstH) { + enum AVPixelFormat tmp_format; + int tmp_width, tmp_height; + int srcW = c->srcW; + int srcH = c->srcH; + int dstW = c->dstW; + int dstH = c->dstH; + int ret; + av_log(c, AV_LOG_VERBOSE, "YUV color matrix differs for YUV->YUV, using intermediate RGB to convert\n"); + + if (isNBPS(c->dstFormat) || is16BPS(c->dstFormat)) { + if (isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) { + tmp_format = AV_PIX_FMT_BGRA64; + } else { + tmp_format = AV_PIX_FMT_BGR48; + } + } else { + if (isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) { + tmp_format = AV_PIX_FMT_BGRA; + } else { + tmp_format = AV_PIX_FMT_BGR24; + } + } + + if (srcW*srcH > dstW*dstH) { + tmp_width = dstW; + tmp_height = dstH; + } else { + tmp_width = srcW; + tmp_height = srcH; + } + + ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride, + tmp_width, tmp_height, tmp_format, 64); + if (ret < 0) + return ret; + + c->cascaded_context[0] = sws_alloc_set_opts(srcW, srcH, c->srcFormat, + tmp_width, tmp_height, tmp_format, + c->flags, c->param); + if (!c->cascaded_context[0]) + return -1; + + c->cascaded_context[0]->alphablend = c->alphablend; + ret = sws_init_context(c->cascaded_context[0], NULL , NULL); + if (ret < 0) + return ret; + //we set both src and dst depending on that the RGB side will be ignored + sws_setColorspaceDetails(c->cascaded_context[0], inv_table, + srcRange, table, dstRange, + brightness, contrast, saturation); + + c->cascaded_context[1] = sws_getContext(tmp_width, tmp_height, tmp_format, + dstW, dstH, c->dstFormat, + c->flags, NULL, NULL, c->param); + if (!c->cascaded_context[1]) + return -1; + sws_setColorspaceDetails(c->cascaded_context[1], inv_table, + srcRange, table, dstRange, + 0, 1 << 16, 1 << 16); + return 0; + } + return -1; + } + + if (!isYUV(c->dstFormat) && !isGray(c->dstFormat)) { + ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, + contrast, saturation); + // FIXME factorize + + if (ARCH_PPC) + ff_yuv2rgb_init_tables_ppc(c, inv_table, brightness, + contrast, saturation); + } + + fill_rgb2yuv_table(c, table, dstRange); - if (ARCH_PPC) - ff_yuv2rgb_init_tables_ppc(c, inv_table, brightness, - contrast, saturation); return 0; } @@ -826,7 +984,7 @@ 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)) + if (!c ) return -1; *inv_table = c->srcColorspaceTable; @@ -846,6 +1004,9 @@ static int handle_jpeg(enum AVPixelFormat *format) case AV_PIX_FMT_YUVJ420P: *format = AV_PIX_FMT_YUV420P; return 1; + case AV_PIX_FMT_YUVJ411P: + *format = AV_PIX_FMT_YUV411P; + return 1; case AV_PIX_FMT_YUVJ422P: *format = AV_PIX_FMT_YUV422P; return 1; @@ -855,23 +1016,134 @@ static int handle_jpeg(enum AVPixelFormat *format) case AV_PIX_FMT_YUVJ440P: *format = AV_PIX_FMT_YUV440P; return 1; + case AV_PIX_FMT_GRAY8: + case AV_PIX_FMT_YA8: + case AV_PIX_FMT_GRAY16LE: + case AV_PIX_FMT_GRAY16BE: + case AV_PIX_FMT_YA16BE: + case AV_PIX_FMT_YA16LE: + return 1; default: return 0; } } +static int handle_0alpha(enum AVPixelFormat *format) +{ + switch (*format) { + case AV_PIX_FMT_0BGR : *format = AV_PIX_FMT_ABGR ; return 1; + case AV_PIX_FMT_BGR0 : *format = AV_PIX_FMT_BGRA ; return 4; + case AV_PIX_FMT_0RGB : *format = AV_PIX_FMT_ARGB ; return 1; + case AV_PIX_FMT_RGB0 : *format = AV_PIX_FMT_RGBA ; return 4; + default: return 0; + } +} + +static int handle_xyz(enum AVPixelFormat *format) +{ + switch (*format) { + case AV_PIX_FMT_XYZ12BE : *format = AV_PIX_FMT_RGB48BE; return 1; + case AV_PIX_FMT_XYZ12LE : *format = AV_PIX_FMT_RGB48LE; return 1; + default: return 0; + } +} + +static void handle_formats(SwsContext *c) +{ + c->src0Alpha |= handle_0alpha(&c->srcFormat); + c->dst0Alpha |= handle_0alpha(&c->dstFormat); + c->srcXYZ |= handle_xyz(&c->srcFormat); + c->dstXYZ |= handle_xyz(&c->dstFormat); + if (c->srcXYZ || c->dstXYZ) + fill_xyztables(c); +} + SwsContext *sws_alloc_context(void) { SwsContext *c = av_mallocz(sizeof(SwsContext)); + av_assert0(offsetof(SwsContext, redDither) + DITHER32_INT == offsetof(SwsContext, dither32)); + if (c) { - c->av_class = &sws_context_class; + c->av_class = &ff_sws_context_class; av_opt_set_defaults(c); } return c; } +static uint16_t * alloc_gamma_tbl(double e) +{ + int i = 0; + uint16_t * tbl; + tbl = (uint16_t*)av_malloc(sizeof(uint16_t) * 1 << 16); + if (!tbl) + return NULL; + + for (i = 0; i < 65536; ++i) { + tbl[i] = pow(i / 65535.0, e) * 65535.0; + } + return tbl; +} + +static enum AVPixelFormat alphaless_fmt(enum AVPixelFormat fmt) +{ + switch(fmt) { + case AV_PIX_FMT_ARGB: return AV_PIX_FMT_RGB24; + case AV_PIX_FMT_RGBA: return AV_PIX_FMT_RGB24; + case AV_PIX_FMT_ABGR: return AV_PIX_FMT_BGR24; + case AV_PIX_FMT_BGRA: return AV_PIX_FMT_BGR24; + case AV_PIX_FMT_YA8: return AV_PIX_FMT_GRAY8; + + case AV_PIX_FMT_YUVA420P: return AV_PIX_FMT_YUV420P; + case AV_PIX_FMT_YUVA422P: return AV_PIX_FMT_YUV422P; + case AV_PIX_FMT_YUVA444P: return AV_PIX_FMT_YUV444P; + + case AV_PIX_FMT_GBRAP: return AV_PIX_FMT_GBRP; + + case AV_PIX_FMT_GBRAP10LE: return AV_PIX_FMT_GBRP10; + case AV_PIX_FMT_GBRAP10BE: return AV_PIX_FMT_GBRP10; + + case AV_PIX_FMT_GBRAP12LE: return AV_PIX_FMT_GBRP12; + case AV_PIX_FMT_GBRAP12BE: return AV_PIX_FMT_GBRP12; + + case AV_PIX_FMT_GBRAP16LE: return AV_PIX_FMT_GBRP16; + case AV_PIX_FMT_GBRAP16BE: return AV_PIX_FMT_GBRP16; + + case AV_PIX_FMT_RGBA64LE: return AV_PIX_FMT_RGB48; + case AV_PIX_FMT_RGBA64BE: return AV_PIX_FMT_RGB48; + case AV_PIX_FMT_BGRA64LE: return AV_PIX_FMT_BGR48; + case AV_PIX_FMT_BGRA64BE: return AV_PIX_FMT_BGR48; + + case AV_PIX_FMT_YA16BE: return AV_PIX_FMT_GRAY16; + case AV_PIX_FMT_YA16LE: return AV_PIX_FMT_GRAY16; + + case AV_PIX_FMT_YUVA420P9BE: return AV_PIX_FMT_YUV420P9; + case AV_PIX_FMT_YUVA422P9BE: return AV_PIX_FMT_YUV422P9; + case AV_PIX_FMT_YUVA444P9BE: return AV_PIX_FMT_YUV444P9; + case AV_PIX_FMT_YUVA420P9LE: return AV_PIX_FMT_YUV420P9; + case AV_PIX_FMT_YUVA422P9LE: return AV_PIX_FMT_YUV422P9; + case AV_PIX_FMT_YUVA444P9LE: return AV_PIX_FMT_YUV444P9; + case AV_PIX_FMT_YUVA420P10BE: return AV_PIX_FMT_YUV420P10; + case AV_PIX_FMT_YUVA422P10BE: return AV_PIX_FMT_YUV422P10; + case AV_PIX_FMT_YUVA444P10BE: return AV_PIX_FMT_YUV444P10; + case AV_PIX_FMT_YUVA420P10LE: return AV_PIX_FMT_YUV420P10; + case AV_PIX_FMT_YUVA422P10LE: return AV_PIX_FMT_YUV422P10; + case AV_PIX_FMT_YUVA444P10LE: return AV_PIX_FMT_YUV444P10; + case AV_PIX_FMT_YUVA420P16BE: return AV_PIX_FMT_YUV420P16; + case AV_PIX_FMT_YUVA422P16BE: return AV_PIX_FMT_YUV422P16; + case AV_PIX_FMT_YUVA444P16BE: return AV_PIX_FMT_YUV444P16; + case AV_PIX_FMT_YUVA420P16LE: return AV_PIX_FMT_YUV420P16; + case AV_PIX_FMT_YUVA422P16LE: return AV_PIX_FMT_YUV422P16; + case AV_PIX_FMT_YUVA444P16LE: return AV_PIX_FMT_YUV444P16; + +// case AV_PIX_FMT_AYUV64LE: +// case AV_PIX_FMT_AYUV64BE: +// case AV_PIX_FMT_PAL8: + default: return AV_PIX_FMT_NONE; + } +} + av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter) { @@ -883,35 +1155,58 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, int srcH = c->srcH; int dstW = c->dstW; int dstH = c->dstH; - int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 16, 16); - int dst_stride_px = dst_stride >> 1; + int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 66, 16); int flags, cpu_flags; enum AVPixelFormat srcFormat = c->srcFormat; enum AVPixelFormat dstFormat = c->dstFormat; - const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat); - const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat); + const AVPixFmtDescriptor *desc_src; + const AVPixFmtDescriptor *desc_dst; + int ret = 0; + enum AVPixelFormat tmpFmt; cpu_flags = av_get_cpu_flags(); flags = c->flags; emms_c(); if (!rgb15to16) - sws_rgb2rgb_init(); + ff_sws_rgb2rgb_init(); unscaled = (srcW == dstW && srcH == dstH); + c->srcRange |= handle_jpeg(&c->srcFormat); + c->dstRange |= handle_jpeg(&c->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"); + + if (!c->contrast && !c->saturation && !c->dstFormatBpp) + sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], c->srcRange, + ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], + c->dstRange, 0, 1 << 16, 1 << 16); + + handle_formats(c); + srcFormat = c->srcFormat; + dstFormat = c->dstFormat; + desc_src = av_pix_fmt_desc_get(srcFormat); + desc_dst = av_pix_fmt_desc_get(dstFormat); + + // If the source has no alpha then disable alpha blendaway + if (c->src0Alpha) + c->alphablend = SWS_ALPHA_BLEND_NONE; + if (!(unscaled && sws_isSupportedEndiannessConversion(srcFormat) && av_pix_fmt_swap_endianness(srcFormat) == 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_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_get_pix_fmt_name(dstFormat)); return AVERROR(EINVAL); } } + av_assert2(desc_src && desc_dst); i = flags & (SWS_POINT | SWS_AREA | @@ -928,25 +1223,31 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, /* provide a default scaler if not set by caller */ if (!i) { if (dstW < srcW && dstH < srcH) - flags |= SWS_GAUSS; + flags |= SWS_BICUBIC; else if (dstW > srcW && dstH > srcH) - flags |= SWS_SINC; + flags |= SWS_BICUBIC; else - flags |= SWS_LANCZOS; + flags |= SWS_BICUBIC; c->flags = flags; } else if (i & (i - 1)) { av_log(c, AV_LOG_ERROR, - "Exactly one scaler algorithm must be chosen\n"); + "Exactly one scaler algorithm must be chosen, got %X\n", i); return AVERROR(EINVAL); } /* sanity check */ - if (srcW < 4 || srcH < 1 || dstW < 8 || dstH < 1) { + if (srcW < 1 || srcH < 1 || dstW < 1 || dstH < 1) { /* FIXME check if these are enough and try to lower them after * fixing the relevant parts of the code */ av_log(c, AV_LOG_ERROR, "%dx%d -> %dx%d is invalid scaling dimension\n", srcW, srcH, dstW, dstH); return AVERROR(EINVAL); } + if (flags & SWS_FAST_BILINEAR) { + if (srcW < 8 || dstW < 8) { + flags ^= SWS_FAST_BILINEAR | SWS_BILINEAR; + c->flags = flags; + } + } if (!dstFilter) dstFilter = &dummyFilter; @@ -968,9 +1269,56 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, (dstFilter->lumH && dstFilter->lumH->length > 1) || (dstFilter->chrH && dstFilter->chrH->length > 1); - getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat); - getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat); + av_pix_fmt_get_chroma_sub_sample(srcFormat, &c->chrSrcHSubSample, &c->chrSrcVSubSample); + av_pix_fmt_get_chroma_sub_sample(dstFormat, &c->chrDstHSubSample, &c->chrDstVSubSample); + + 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; + } + + if ( c->chrSrcHSubSample == 0 + && c->chrSrcVSubSample == 0 + && c->dither != SWS_DITHER_BAYER //SWS_FULL_CHR_H_INT is currently not supported with SWS_DITHER_BAYER + && !(c->flags & SWS_FAST_BILINEAR) + ) { + av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to input having non subsampled chroma\n"); + flags |= SWS_FULL_CHR_H_INT; + c->flags = flags; + } + } + if (c->dither == SWS_DITHER_AUTO) { + if (flags & SWS_ERROR_DIFFUSION) + c->dither = SWS_DITHER_ED; + } + + if(dstFormat == AV_PIX_FMT_BGR4_BYTE || + dstFormat == AV_PIX_FMT_RGB4_BYTE || + dstFormat == AV_PIX_FMT_BGR8 || + dstFormat == AV_PIX_FMT_RGB8) { + if (c->dither == SWS_DITHER_AUTO) + c->dither = (flags & SWS_FULL_CHR_H_INT) ? SWS_DITHER_ED : SWS_DITHER_BAYER; + if (!(flags & SWS_FULL_CHR_H_INT)) { + if (c->dither == SWS_DITHER_ED || c->dither == SWS_DITHER_A_DITHER || c->dither == SWS_DITHER_X_DITHER) { + av_log(c, AV_LOG_DEBUG, + "Desired dithering only supported in full chroma interpolation for destination format '%s'\n", + av_get_pix_fmt_name(dstFormat)); + flags |= SWS_FULL_CHR_H_INT; + c->flags = flags; + } + } + if (flags & SWS_FULL_CHR_H_INT) { + if (c->dither == SWS_DITHER_BAYER) { + av_log(c, AV_LOG_DEBUG, + "Ordered dither is not supported in full chroma interpolation for destination format '%s'\n", + av_get_pix_fmt_name(dstFormat)); + c->dither = SWS_DITHER_ED; + } + } + } if (isPlanarRGB(dstFormat)) { if (!(flags & SWS_FULL_CHR_H_INT)) { av_log(c, AV_LOG_DEBUG, @@ -986,15 +1334,28 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, if (flags & SWS_FULL_CHR_H_INT && isAnyRGB(dstFormat) && !isPlanarRGB(dstFormat) && + dstFormat != AV_PIX_FMT_RGBA64LE && + dstFormat != AV_PIX_FMT_RGBA64BE && + dstFormat != AV_PIX_FMT_BGRA64LE && + dstFormat != AV_PIX_FMT_BGRA64BE && + dstFormat != AV_PIX_FMT_RGB48LE && + dstFormat != AV_PIX_FMT_RGB48BE && + dstFormat != AV_PIX_FMT_BGR48LE && + dstFormat != AV_PIX_FMT_BGR48BE && dstFormat != AV_PIX_FMT_RGBA && dstFormat != AV_PIX_FMT_ARGB && dstFormat != AV_PIX_FMT_BGRA && dstFormat != AV_PIX_FMT_ABGR && dstFormat != AV_PIX_FMT_RGB24 && - dstFormat != AV_PIX_FMT_BGR24) { - av_log(c, AV_LOG_ERROR, + dstFormat != AV_PIX_FMT_BGR24 && + dstFormat != AV_PIX_FMT_BGR4_BYTE && + dstFormat != AV_PIX_FMT_RGB4_BYTE && + dstFormat != AV_PIX_FMT_BGR8 && + dstFormat != AV_PIX_FMT_RGB8 + ) { + av_log(c, AV_LOG_WARNING, "full chroma interpolation for destination format '%s' not yet implemented\n", - sws_format_name(dstFormat)); + av_get_pix_fmt_name(dstFormat)); flags &= ~SWS_FULL_CHR_H_INT; c->flags = flags; } @@ -1014,7 +1375,12 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, srcFormat != AV_PIX_FMT_RGB4_BYTE && srcFormat != AV_PIX_FMT_BGR4_BYTE && srcFormat != AV_PIX_FMT_GBRP9BE && srcFormat != AV_PIX_FMT_GBRP9LE && srcFormat != AV_PIX_FMT_GBRP10BE && srcFormat != AV_PIX_FMT_GBRP10LE && + srcFormat != AV_PIX_FMT_GBRAP10BE && srcFormat != AV_PIX_FMT_GBRAP10LE && + srcFormat != AV_PIX_FMT_GBRP12BE && srcFormat != AV_PIX_FMT_GBRP12LE && + srcFormat != AV_PIX_FMT_GBRAP12BE && srcFormat != AV_PIX_FMT_GBRAP12LE && + srcFormat != AV_PIX_FMT_GBRP14BE && srcFormat != AV_PIX_FMT_GBRP14LE && srcFormat != AV_PIX_FMT_GBRP16BE && srcFormat != AV_PIX_FMT_GBRP16LE && + srcFormat != AV_PIX_FMT_GBRAP16BE && srcFormat != AV_PIX_FMT_GBRAP16LE && ((dstW >> c->chrDstHSubSample) <= (srcW >> 1) || (flags & SWS_FAST_BILINEAR))) c->chrSrcHSubSample = 1; @@ -1025,19 +1391,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, c->chrDstW = AV_CEIL_RSHIFT(dstW, c->chrDstHSubSample); c->chrDstH = AV_CEIL_RSHIFT(dstH, c->chrDstVSubSample); - /* unscaled special cases */ - if (unscaled && !usesHFilter && !usesVFilter && - (c->srcRange == c->dstRange || isAnyRGB(dstFormat))) { - ff_get_unscaled_swscale(c); - - 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)); - return 0; - } - } + FF_ALLOCZ_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail); c->srcBpc = desc_src->comp[0].depth; if (c->srcBpc < 8) @@ -1045,21 +1399,23 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, c->dstBpc = desc_dst->comp[0].depth; if (c->dstBpc < 8) c->dstBpc = 8; + if (isAnyRGB(srcFormat) || srcFormat == AV_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); - if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 10) { - c->canMMXEXTBeUsed = (dstW >= srcW && (dstW & 31) == 0 && - (srcW & 15) == 0) ? 1 : 0; - if (!c->canMMXEXTBeUsed && dstW >= srcW && (srcW & 15) == 0 + + if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 14) { + c->canMMXEXTBeUsed = dstW >= srcW && (dstW & 31) == 0 && + c->chrDstW >= c->chrSrcW && + (srcW & 15) == 0; + if (!c->canMMXEXTBeUsed && dstW >= srcW && c->chrDstW >= c->chrSrcW && (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 MMXEXT scaler\n"); } - if (usesHFilter) + if (usesHFilter || isNBPS(c->srcFormat) || is16BPS(c->srcFormat) || isAnyRGB(c->srcFormat)) c->canMMXEXTBeUsed = 0; } else c->canMMXEXTBeUsed = 0; @@ -1080,12 +1436,138 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, c->chrXInc += 20; } // we don't use the x86 asm scaler if MMX is available - else if (INLINE_MMX(cpu_flags)) { + else if (INLINE_MMX(cpu_flags) && c->dstBpc <= 14) { c->lumXInc = ((int64_t)(srcW - 2) << 16) / (dstW - 2) - 20; c->chrXInc = ((int64_t)(c->chrSrcW - 2) << 16) / (c->chrDstW - 2) - 20; } } + // hardcoded for now + c->gamma_value = 2.2; + tmpFmt = AV_PIX_FMT_RGBA64LE; + + + if (!unscaled && c->gamma_flag && (srcFormat != tmpFmt || dstFormat != tmpFmt)) { + SwsContext *c2; + c->cascaded_context[0] = NULL; + + ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride, + srcW, srcH, tmpFmt, 64); + if (ret < 0) + return ret; + + c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat, + srcW, srcH, tmpFmt, + flags, NULL, NULL, c->param); + if (!c->cascaded_context[0]) { + return -1; + } + + c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFmt, + dstW, dstH, tmpFmt, + flags, srcFilter, dstFilter, c->param); + + if (!c->cascaded_context[1]) + return -1; + + c2 = c->cascaded_context[1]; + c2->is_internal_gamma = 1; + c2->gamma = alloc_gamma_tbl( c->gamma_value); + c2->inv_gamma = alloc_gamma_tbl(1.f/c->gamma_value); + if (!c2->gamma || !c2->inv_gamma) + return AVERROR(ENOMEM); + + // is_internal_flag is set after creating the context + // to properly create the gamma convert FilterDescriptor + // we have to re-initialize it + ff_free_filters(c2); + if (ff_init_filters(c2) < 0) { + sws_freeContext(c2); + return -1; + } + + c->cascaded_context[2] = NULL; + if (dstFormat != tmpFmt) { + ret = av_image_alloc(c->cascaded1_tmp, c->cascaded1_tmpStride, + dstW, dstH, tmpFmt, 64); + if (ret < 0) + return ret; + + c->cascaded_context[2] = sws_getContext(dstW, dstH, tmpFmt, + dstW, dstH, dstFormat, + flags, NULL, NULL, c->param); + if (!c->cascaded_context[2]) + return -1; + } + return 0; + } + + if (isBayer(srcFormat)) { + if (!unscaled || + (dstFormat != AV_PIX_FMT_RGB24 && dstFormat != AV_PIX_FMT_YUV420P)) { + enum AVPixelFormat tmpFormat = AV_PIX_FMT_RGB24; + + ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride, + srcW, srcH, tmpFormat, 64); + if (ret < 0) + return ret; + + c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat, + srcW, srcH, tmpFormat, + flags, srcFilter, NULL, c->param); + if (!c->cascaded_context[0]) + return -1; + + c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFormat, + dstW, dstH, dstFormat, + flags, NULL, dstFilter, c->param); + if (!c->cascaded_context[1]) + return -1; + return 0; + } + } + + if (CONFIG_SWSCALE_ALPHA && isALPHA(srcFormat) && !isALPHA(dstFormat)) { + enum AVPixelFormat tmpFormat = alphaless_fmt(srcFormat); + + if (tmpFormat != AV_PIX_FMT_NONE && c->alphablend != SWS_ALPHA_BLEND_NONE) + if (!unscaled || + dstFormat != tmpFormat || + usesHFilter || usesVFilter || + c->srcRange != c->dstRange + ) { + c->cascaded_mainindex = 1; + ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride, + srcW, srcH, tmpFormat, 64); + if (ret < 0) + return ret; + + c->cascaded_context[0] = sws_alloc_set_opts(srcW, srcH, srcFormat, + srcW, srcH, tmpFormat, + flags, c->param); + if (!c->cascaded_context[0]) + return -1; + c->cascaded_context[0]->alphablend = c->alphablend; + ret = sws_init_context(c->cascaded_context[0], NULL , NULL); + if (ret < 0) + return ret; + + c->cascaded_context[1] = sws_alloc_set_opts(srcW, srcH, tmpFormat, + dstW, dstH, dstFormat, + flags, c->param); + if (!c->cascaded_context[1]) + return -1; + + c->cascaded_context[1]->srcRange = c->srcRange; + c->cascaded_context[1]->dstRange = c->dstRange; + ret = sws_init_context(c->cascaded_context[1], srcFilter , dstFilter); + if (ret < 0) + return ret; + + return 0; + } + } + #define USE_MMAP (HAVE_MMAP && HAVE_MPROTECT && defined MAP_ANONYMOUS) /* precalculate horizontal scaler filter coefficients */ @@ -1093,9 +1575,9 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, #if HAVE_MMXEXT_INLINE // can't downscale !!! if (c->canMMXEXTBeUsed && (flags & SWS_FAST_BILINEAR)) { - c->lumMmxextFilterCodeSize = init_hscaler_mmxext(dstW, c->lumXInc, NULL, + c->lumMmxextFilterCodeSize = ff_init_hscaler_mmxext(dstW, c->lumXInc, NULL, NULL, NULL, 8); - c->chrMmxextFilterCodeSize = init_hscaler_mmxext(c->chrDstW, c->chrXInc, + c->chrMmxextFilterCodeSize = ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc, NULL, NULL, NULL, 4); #if USE_MMAP @@ -1121,41 +1603,57 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, c->chrMmxextFilterCode = av_malloc(c->chrMmxextFilterCodeSize); #endif +#ifdef MAP_ANONYMOUS + if (c->lumMmxextFilterCode == MAP_FAILED || c->chrMmxextFilterCode == MAP_FAILED) +#else if (!c->lumMmxextFilterCode || !c->chrMmxextFilterCode) +#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); - init_hscaler_mmxext(dstW, c->lumXInc, c->lumMmxextFilterCode, - c->hLumFilter, c->hLumFilterPos, 8); - init_hscaler_mmxext(c->chrDstW, c->chrXInc, c->chrMmxextFilterCode, - c->hChrFilter, c->hChrFilterPos, 4); + ff_init_hscaler_mmxext( dstW, c->lumXInc, c->lumMmxextFilterCode, + c->hLumFilter, (uint32_t*)c->hLumFilterPos, 8); + ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc, c->chrMmxextFilterCode, + c->hChrFilter, (uint32_t*)c->hChrFilterPos, 4); #if USE_MMAP - mprotect(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize, PROT_EXEC | PROT_READ); - mprotect(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize, PROT_EXEC | PROT_READ); + if ( mprotect(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize, PROT_EXEC | PROT_READ) == -1 + || mprotect(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize, PROT_EXEC | PROT_READ) == -1) { + av_log(c, AV_LOG_ERROR, "mprotect failed, cannot use fast bilinear scaler\n"); + goto fail; + } #endif } else #endif /* HAVE_MMXEXT_INLINE */ { const int filterAlign = X86_MMX(cpu_flags) ? 4 : - PPC_ALTIVEC(cpu_flags) ? 8 : 1; + PPC_ALTIVEC(cpu_flags) ? 8 : + have_neon(cpu_flags) ? 8 : 1; - if (initFilter(&c->hLumFilter, &c->hLumFilterPos, + if ((ret = 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) + c->param, + get_local_pos(c, 0, 0, 0), + get_local_pos(c, 0, 0, 0))) < 0) goto fail; - if (initFilter(&c->hChrFilter, &c->hChrFilterPos, + if ((ret = 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) + c->param, + get_local_pos(c, c->chrSrcHSubSample, c->src_h_chr_pos, 0), + get_local_pos(c, c->chrDstHSubSample, c->dst_h_chr_pos, 0))) < 0) goto fail; } } // initialize horizontal stuff @@ -1163,20 +1661,26 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, /* precalculate vertical scaler filter coefficients */ { const int filterAlign = X86_MMX(cpu_flags) ? 2 : - PPC_ALTIVEC(cpu_flags) ? 8 : 1; + PPC_ALTIVEC(cpu_flags) ? 8 : + have_neon(cpu_flags) ? 2 : 1; - if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, + if ((ret = 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) + c->param, + get_local_pos(c, 0, 0, 1), + get_local_pos(c, 0, 0, 1))) < 0) goto fail; - if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, + if ((ret = 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) + c->param, + get_local_pos(c, c->chrSrcVSubSample, c->src_v_chr_pos, 1), + get_local_pos(c, c->chrDstVSubSample, c->dst_v_chr_pos, 1))) < 0) + goto fail; #if HAVE_ALTIVEC @@ -1199,91 +1703,31 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, #endif } - // calculate buffer sizes so that they won't run out while handling these damn slices - c->vLumBufSize = c->vLumFilterSize; - c->vChrBufSize = c->vChrFilterSize; - for (i = 0; i < dstH; i++) { - 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)); - - nextSlice >>= c->chrSrcVSubSample; - nextSlice <<= c->chrSrcVSubSample; - if (c->vLumFilterPos[i] + c->vLumBufSize < nextSlice) - c->vLumBufSize = nextSlice - c->vLumFilterPos[i]; - if (c->vChrFilterPos[chrI] + c->vChrBufSize < - (nextSlice >> c->chrSrcVSubSample)) - c->vChrBufSize = (nextSlice >> c->chrSrcVSubSample) - - c->vChrFilterPos[chrI]; - } + for (i = 0; i < 4; i++) + FF_ALLOCZ_OR_GOTO(c, c->dither_error[i], (c->dstW+2) * sizeof(int), fail); - /* 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); - if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) - FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize * 3 * sizeof(int16_t *), fail); - /* Note we need at least one pixel more at the end because of the MMX code - * (just in case someone wants to 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; - 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]; - c->chrVPixBuf[i] = c->chrVPixBuf[i + c->vChrBufSize] - = c->chrUPixBuf[i] + (dst_stride >> 1) + 8; - } - if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) - for (i = 0; i < c->vLumBufSize; i++) { - FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i + c->vLumBufSize], - dst_stride + 16, fail); - c->alpPixBuf[i] = c->alpPixBuf[i + c->vLumBufSize]; - } + c->needAlpha = (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) ? 1 : 0; - // 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); + // 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; - assert(c->chrDstH <= dstH); + av_assert0(c->chrDstH <= dstH); if (flags & SWS_PRINT_INFO) { - if (flags & SWS_FAST_BILINEAR) - av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, "); - else if (flags & SWS_BILINEAR) - av_log(c, AV_LOG_INFO, "BILINEAR scaler, "); - else if (flags & SWS_BICUBIC) - av_log(c, AV_LOG_INFO, "BICUBIC scaler, "); - else if (flags & SWS_X) - av_log(c, AV_LOG_INFO, "Experimental scaler, "); - else if (flags & SWS_POINT) - av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, "); - else if (flags & SWS_AREA) - av_log(c, AV_LOG_INFO, "Area Averaging scaler, "); - else if (flags & SWS_BICUBLIN) - av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, "); - else if (flags & SWS_GAUSS) - av_log(c, AV_LOG_INFO, "Gaussian scaler, "); - else if (flags & SWS_SINC) - av_log(c, AV_LOG_INFO, "Sinc scaler, "); - else if (flags & SWS_LANCZOS) - av_log(c, AV_LOG_INFO, "Lanczos scaler, "); - else if (flags & SWS_SPLINE) - av_log(c, AV_LOG_INFO, "Bicubic spline scaler, "); - else - av_log(c, AV_LOG_INFO, "ehh flags invalid?! "); + const char *scaler = NULL, *cpucaps; - av_log(c, AV_LOG_INFO, "from %s to %s%s ", - sws_format_name(srcFormat), + for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) { + if (flags & scale_algorithms[i].flag) { + scaler = scale_algorithms[i].description; + break; + } + } + if (!scaler) + scaler = "ehh flags invalid?!"; + av_log(c, AV_LOG_INFO, "%s scaler, from %s to %s%s ", + scaler, + av_get_pix_fmt_name(srcFormat), #ifdef DITHER1XBPP dstFormat == AV_PIX_FMT_BGR555 || dstFormat == AV_PIX_FMT_BGR565 || dstFormat == AV_PIX_FMT_RGB444BE || dstFormat == AV_PIX_FMT_RGB444LE || @@ -1292,18 +1736,20 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, #else "", #endif - sws_format_name(dstFormat)); + av_get_pix_fmt_name(dstFormat)); if (INLINE_MMXEXT(cpu_flags)) - av_log(c, AV_LOG_INFO, "using MMXEXT\n"); + cpucaps = "MMXEXT"; else if (INLINE_AMD3DNOW(cpu_flags)) - av_log(c, AV_LOG_INFO, "using 3DNOW\n"); + cpucaps = "3DNOW"; else if (INLINE_MMX(cpu_flags)) - av_log(c, AV_LOG_INFO, "using MMX\n"); + cpucaps = "MMX"; else if (PPC_ALTIVEC(cpu_flags)) - av_log(c, AV_LOG_INFO, "using AltiVec\n"); + cpucaps = "AltiVec"; else - av_log(c, AV_LOG_INFO, "using C\n"); + cpucaps = "C"; + + av_log(c, AV_LOG_INFO, "using %s\n", cpucaps); av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH); av_log(c, AV_LOG_DEBUG, @@ -1315,16 +1761,74 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, c->chrXInc, c->chrYInc); } + /* alpha blend special case, note this has been split via cascaded contexts if its scaled */ + if (unscaled && !usesHFilter && !usesVFilter && + c->alphablend != SWS_ALPHA_BLEND_NONE && + isALPHA(srcFormat) && + (c->srcRange == c->dstRange || isAnyRGB(dstFormat)) && + alphaless_fmt(srcFormat) == dstFormat + ) { + c->swscale = ff_sws_alphablendaway; + + if (flags & SWS_PRINT_INFO) + av_log(c, AV_LOG_INFO, + "using alpha blendaway %s -> %s special converter\n", + av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat)); + return 0; + } + + /* unscaled special cases */ + if (unscaled && !usesHFilter && !usesVFilter && + (c->srcRange == c->dstRange || isAnyRGB(dstFormat))) { + ff_get_unscaled_swscale(c); + + if (c->swscale) { + if (flags & SWS_PRINT_INFO) + av_log(c, AV_LOG_INFO, + "using unscaled %s -> %s special converter\n", + av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat)); + return 0; + } + } + c->swscale = ff_getSwsFunc(c); - return 0; + return ff_init_filters(c); fail: // FIXME replace things by appropriate error codes + if (ret == RETCODE_USE_CASCADE) { + int tmpW = sqrt(srcW * (int64_t)dstW); + int tmpH = sqrt(srcH * (int64_t)dstH); + enum AVPixelFormat tmpFormat = AV_PIX_FMT_YUV420P; + + if (isALPHA(srcFormat)) + tmpFormat = AV_PIX_FMT_YUVA420P; + + if (srcW*(int64_t)srcH <= 4LL*dstW*dstH) + return AVERROR(EINVAL); + + ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride, + tmpW, tmpH, tmpFormat, 64); + if (ret < 0) + return ret; + + c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat, + tmpW, tmpH, tmpFormat, + flags, srcFilter, NULL, c->param); + if (!c->cascaded_context[0]) + return -1; + + c->cascaded_context[1] = sws_getContext(tmpW, tmpH, tmpFormat, + dstW, dstH, dstFormat, + flags, NULL, dstFilter, c->param); + if (!c->cascaded_context[1]) + return -1; + return 0; + } return -1; } -SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat, - int dstW, int dstH, enum AVPixelFormat dstFormat, - int flags, SwsFilter *srcFilter, - SwsFilter *dstFilter, const double *param) +SwsContext *sws_alloc_set_opts(int srcW, int srcH, enum AVPixelFormat srcFormat, + int dstW, int dstH, enum AVPixelFormat dstFormat, + int flags, const double *param) { SwsContext *c; @@ -1336,8 +1840,6 @@ SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat, c->srcH = srcH; c->dstW = dstW; c->dstH = dstH; - c->srcRange = handle_jpeg(&srcFormat); - c->dstRange = handle_jpeg(&dstFormat); c->srcFormat = srcFormat; c->dstFormat = dstFormat; @@ -1345,9 +1847,22 @@ SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat, c->param[0] = param[0]; c->param[1] = param[1]; } - sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], c->srcRange, - ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, - c->dstRange, 0, 1 << 16, 1 << 16); + + return c; +} + +SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat, + int dstW, int dstH, enum AVPixelFormat dstFormat, + int flags, SwsFilter *srcFilter, + SwsFilter *dstFilter, const double *param) +{ + SwsContext *c; + + c = sws_alloc_set_opts(srcW, srcH, srcFormat, + dstW, dstH, dstFormat, + flags, param); + if (!c) + return NULL; if (sws_init_context(c, srcFilter, dstFilter) < 0) { sws_freeContext(c); @@ -1357,6 +1872,22 @@ SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat, return c; } +static int isnan_vec(SwsVector *a) +{ + int i; + for (i=0; i<a->length; i++) + if (isnan(a->coeff[i])) + return 1; + return 0; +} + +static void makenan_vec(SwsVector *a) +{ + int i; + for (i=0; i<a->length; i++) + a->coeff[i] = NAN; +} + SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, float lumaSharpen, float chromaSharpen, float chromaHShift, float chromaVShift, @@ -1418,6 +1949,12 @@ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, sws_normalizeVec(filter->lumH, 1.0); sws_normalizeVec(filter->lumV, 1.0); + if (isnan_vec(filter->chrH) || + isnan_vec(filter->chrV) || + isnan_vec(filter->lumH) || + isnan_vec(filter->lumV)) + goto fail; + if (verbose) sws_printVec2(filter->chrH, NULL, AV_LOG_DEBUG); if (verbose) @@ -1436,7 +1973,12 @@ fail: SwsVector *sws_allocVec(int length) { - SwsVector *vec = av_malloc(sizeof(SwsVector)); + SwsVector *vec; + + if(length <= 0 || length > INT_MAX/ sizeof(double)) + return NULL; + + vec = av_malloc(sizeof(SwsVector)); if (!vec) return NULL; vec->length = length; @@ -1451,7 +1993,12 @@ SwsVector *sws_getGaussianVec(double variance, double quality) const int length = (int)(variance * quality + 0.5) | 1; int i; double middle = (length - 1) * 0.5; - SwsVector *vec = sws_allocVec(length); + SwsVector *vec; + + if(variance < 0 || quality < 0) + return NULL; + + vec = sws_allocVec(length); if (!vec) return NULL; @@ -1467,6 +2014,13 @@ SwsVector *sws_getGaussianVec(double variance, double quality) return vec; } +/** + * Allocate and return a vector with length coefficients, all + * with the same value c. + */ +#if !FF_API_SWS_VECTOR +static +#endif SwsVector *sws_getConstVec(double c, int length) { int i; @@ -1481,6 +2035,13 @@ SwsVector *sws_getConstVec(double c, int length) return vec; } +/** + * Allocate and return a vector with just one coefficient, with + * value 1.0. + */ +#if !FF_API_SWS_VECTOR +static +#endif SwsVector *sws_getIdentityVec(void) { return sws_getConstVec(1.0, 1); @@ -1510,6 +2071,7 @@ void sws_normalizeVec(SwsVector *a, double height) sws_scaleVec(a, height / sws_dcVec(a)); } +#if FF_API_SWS_VECTOR static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b) { int length = a->length + b->length - 1; @@ -1527,6 +2089,7 @@ static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b) return vec; } +#endif static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b) { @@ -1545,6 +2108,7 @@ static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b) return vec; } +#if FF_API_SWS_VECTOR static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b) { int length = FFMAX(a->length, b->length); @@ -1561,6 +2125,7 @@ static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b) return vec; } +#endif /* shift left / or right if "shift" is negative */ static SwsVector *sws_getShiftedVec(SwsVector *a, int shift) @@ -1580,27 +2145,46 @@ static SwsVector *sws_getShiftedVec(SwsVector *a, int shift) return vec; } +#if !FF_API_SWS_VECTOR +static +#endif void sws_shiftVec(SwsVector *a, int shift) { SwsVector *shifted = sws_getShiftedVec(a, shift); + if (!shifted) { + makenan_vec(a); + return; + } av_free(a->coeff); a->coeff = shifted->coeff; a->length = shifted->length; av_free(shifted); } +#if !FF_API_SWS_VECTOR +static +#endif void sws_addVec(SwsVector *a, SwsVector *b) { SwsVector *sum = sws_sumVec(a, b); + if (!sum) { + makenan_vec(a); + return; + } av_free(a->coeff); a->coeff = sum->coeff; a->length = sum->length; av_free(sum); } +#if FF_API_SWS_VECTOR void sws_subVec(SwsVector *a, SwsVector *b) { SwsVector *diff = sws_diffVec(a, b); + if (!diff) { + makenan_vec(a); + return; + } av_free(a->coeff); a->coeff = diff->coeff; a->length = diff->length; @@ -1610,6 +2194,10 @@ void sws_subVec(SwsVector *a, SwsVector *b) void sws_convVec(SwsVector *a, SwsVector *b) { SwsVector *conv = sws_getConvVec(a, b); + if (!conv) { + makenan_vec(a); + return; + } av_free(a->coeff); a->coeff = conv->coeff; a->length = conv->length; @@ -1618,18 +2206,24 @@ void sws_convVec(SwsVector *a, SwsVector *b) SwsVector *sws_cloneVec(SwsVector *a) { - int i; SwsVector *vec = sws_allocVec(a->length); if (!vec) return NULL; - for (i = 0; i < a->length; i++) - vec->coeff[i] = a->coeff[i]; + memcpy(vec->coeff, a->coeff, a->length * sizeof(*a->coeff)); return vec; } +#endif +/** + * Print with av_log() a textual representation of the vector a + * if log_level <= av_log_level. + */ +#if !FF_API_SWS_VECTOR +static +#endif void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level) { int i; @@ -1670,14 +2264,10 @@ void sws_freeFilter(SwsFilter *filter) if (!filter) return; - if (filter->lumH) - sws_freeVec(filter->lumH); - if (filter->lumV) - sws_freeVec(filter->lumV); - if (filter->chrH) - sws_freeVec(filter->chrH); - if (filter->chrV) - sws_freeVec(filter->chrV); + sws_freeVec(filter->lumH); + sws_freeVec(filter->lumV); + sws_freeVec(filter->chrH); + sws_freeVec(filter->chrV); av_free(filter); } @@ -1687,24 +2277,8 @@ void sws_freeContext(SwsContext *c) if (!c) return; - if (c->lumPixBuf) { - for (i = 0; i < c->vLumBufSize; i++) - av_freep(&c->lumPixBuf[i]); - av_freep(&c->lumPixBuf); - } - - if (c->chrUPixBuf) { - for (i = 0; i < c->vChrBufSize; i++) - av_freep(&c->chrUPixBuf[i]); - av_freep(&c->chrUPixBuf); - av_freep(&c->chrVPixBuf); - } - - if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) { - for (i = 0; i < c->vLumBufSize; i++) - av_freep(&c->alpPixBuf[i]); - av_freep(&c->alpPixBuf); - } + for (i = 0; i < 4; i++) + av_freep(&c->dither_error[i]); av_freep(&c->vLumFilter); av_freep(&c->vChrFilter); @@ -1740,7 +2314,19 @@ void sws_freeContext(SwsContext *c) #endif /* HAVE_MMX_INLINE */ av_freep(&c->yuvTable); - av_free(c->formatConvBuffer); + av_freep(&c->formatConvBuffer); + + sws_freeContext(c->cascaded_context[0]); + sws_freeContext(c->cascaded_context[1]); + sws_freeContext(c->cascaded_context[2]); + memset(c->cascaded_context, 0, sizeof(c->cascaded_context)); + av_freep(&c->cascaded_tmp[0]); + av_freep(&c->cascaded1_tmp[0]); + + av_freep(&c->gamma); + av_freep(&c->inv_gamma); + + ff_free_filters(c); av_free(c); } @@ -1755,6 +2341,8 @@ struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW, { static const double default_param[2] = { SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT }; + int64_t src_h_chr_pos = -513, dst_h_chr_pos = -513, + src_v_chr_pos = -513, dst_v_chr_pos = -513; if (!param) param = default_param; @@ -1769,6 +2357,11 @@ struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW, context->flags != flags || context->param[0] != param[0] || context->param[1] != param[1])) { + + av_opt_get_int(context, "src_h_chr_pos", 0, &src_h_chr_pos); + av_opt_get_int(context, "src_v_chr_pos", 0, &src_v_chr_pos); + av_opt_get_int(context, "dst_h_chr_pos", 0, &dst_h_chr_pos); + av_opt_get_int(context, "dst_v_chr_pos", 0, &dst_v_chr_pos); sws_freeContext(context); context = NULL; } @@ -1778,19 +2371,19 @@ struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW, return NULL; context->srcW = srcW; context->srcH = srcH; - context->srcRange = handle_jpeg(&srcFormat); context->srcFormat = srcFormat; context->dstW = dstW; context->dstH = dstH; - context->dstRange = handle_jpeg(&dstFormat); context->dstFormat = dstFormat; context->flags = flags; context->param[0] = param[0]; context->param[1] = param[1]; - sws_setColorspaceDetails(context, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], - context->srcRange, - ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, - context->dstRange, 0, 1 << 16, 1 << 16); + + av_opt_set_int(context, "src_h_chr_pos", src_h_chr_pos, 0); + av_opt_set_int(context, "src_v_chr_pos", src_v_chr_pos, 0); + av_opt_set_int(context, "dst_h_chr_pos", dst_h_chr_pos, 0); + av_opt_set_int(context, "dst_v_chr_pos", dst_v_chr_pos, 0); + if (sws_init_context(context, srcFilter, dstFilter) < 0) { sws_freeContext(context); return NULL; |