/*
* 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 _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>
#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"
+
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
+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);
+
+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;
uint8_t is_supported_endianness :1;
} FormatEntry;
-static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
+static const FormatEntry format_entries[] = {
[AV_PIX_FMT_YUV420P] = { 1, 1 },
[AV_PIX_FMT_YUYV422] = { 1, 1 },
[AV_PIX_FMT_RGB24] = { 1, 1 },
[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 },
[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_GRAY9BE] = { 1, 1 },
+ [AV_PIX_FMT_GRAY9LE] = { 1, 1 },
[AV_PIX_FMT_GRAY10BE] = { 1, 1 },
[AV_PIX_FMT_GRAY10LE] = { 1, 1 },
[AV_PIX_FMT_GRAY12BE] = { 1, 1 },
[AV_PIX_FMT_GRAY12LE] = { 1, 1 },
+ [AV_PIX_FMT_GRAY14BE] = { 1, 1 },
+ [AV_PIX_FMT_GRAY14LE] = { 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 },
[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 },
[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_YA16BE] = { 1, 0 },
- [AV_PIX_FMT_YA16LE] = { 1, 0 },
+ [AV_PIX_FMT_YA8] = { 1, 1 },
+ [AV_PIX_FMT_YA16BE] = { 1, 1 },
+ [AV_PIX_FMT_YA16LE] = { 1, 1 },
[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_GBRP12LE] = { 1, 1 },
- [AV_PIX_FMT_GBRP12BE] = { 1, 1 },
- [AV_PIX_FMT_GBRP16LE] = { 1, 0 },
- [AV_PIX_FMT_GBRP16BE] = { 1, 0 },
- [AV_PIX_FMT_GBRAP] = { 1, 1 },
[AV_PIX_FMT_GBRAP10LE] = { 1, 1 },
[AV_PIX_FMT_GBRAP10BE] = { 1, 1 },
+ [AV_PIX_FMT_GBRP12LE] = { 1, 1 },
+ [AV_PIX_FMT_GBRP12BE] = { 1, 1 },
[AV_PIX_FMT_GBRAP12LE] = { 1, 1 },
[AV_PIX_FMT_GBRAP12BE] = { 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_P010LE] = { 1, 0 },
- [AV_PIX_FMT_P010BE] = { 1, 0 },
+ [AV_PIX_FMT_GBRP14LE] = { 1, 1 },
+ [AV_PIX_FMT_GBRP14BE] = { 1, 1 },
+ [AV_PIX_FMT_GBRP16LE] = { 1, 1 },
+ [AV_PIX_FMT_GBRP16BE] = { 1, 1 },
+ [AV_PIX_FMT_GBRPF32LE] = { 1, 1 },
+ [AV_PIX_FMT_GBRPF32BE] = { 1, 1 },
+ [AV_PIX_FMT_GBRAPF32LE] = { 1, 1 },
+ [AV_PIX_FMT_GBRAPF32BE] = { 1, 1 },
+ [AV_PIX_FMT_GBRAP] = { 1, 1 },
+ [AV_PIX_FMT_GBRAP16LE] = { 1, 1 },
+ [AV_PIX_FMT_GBRAP16BE] = { 1, 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, 1 },
+ [AV_PIX_FMT_P010BE] = { 1, 1 },
+ [AV_PIX_FMT_P016LE] = { 1, 1 },
+ [AV_PIX_FMT_P016BE] = { 1, 1 },
+ [AV_PIX_FMT_GRAYF32LE] = { 1, 1 },
+ [AV_PIX_FMT_GRAYF32BE] = { 1, 1 },
+ [AV_PIX_FMT_YUVA422P12BE] = { 1, 1 },
+ [AV_PIX_FMT_YUVA422P12LE] = { 1, 1 },
+ [AV_PIX_FMT_YUVA444P12BE] = { 1, 1 },
+ [AV_PIX_FMT_YUVA444P12LE] = { 1, 1 },
+ [AV_PIX_FMT_NV24] = { 1, 1 },
+ [AV_PIX_FMT_NV42] = { 1, 1 },
+ [AV_PIX_FMT_Y210LE] = { 1, 0 },
+ [AV_PIX_FMT_X2RGB10LE] = { 1, 1 },
};
int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
{
- return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
+ return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
format_entries[pix_fmt].is_supported_in : 0;
}
int sws_isSupportedOutput(enum AVPixelFormat pix_fmt)
{
- return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
+ return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
format_entries[pix_fmt].is_supported_out : 0;
}
int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt)
{
- return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
+ return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
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)
{
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;
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);
+ if (!FF_ALLOC_TYPED_ARRAY(*filterPos, dstW + 3))
+ goto nomem;
- 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);
+ if (!FF_ALLOCZ_TYPED_ARRAY(filter, dstW * filterSize))
+ goto nomem;
for (i = 0; i < dstW; i++) {
filter[i * filterSize] = fone;
}
} 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);
+ if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
+ goto nomem;
- 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;
} 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);
+ if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
+ goto nomem;
- 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;
(*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 * (1 << 16) - xDstInSrc) * (fone >> 16);
if (coeff < 0)
coeff = 0;
filter[i * filterSize + j] = coeff;
}
} 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
filterSize = FFMIN(filterSize, srcW - 2);
filterSize = FFMAX(filterSize, 1);
- FF_ALLOC_OR_GOTO(NULL, filter,
- dstW * sizeof(*filter) * filterSize, fail);
-
- xDstInSrc = xInc - 0x10000;
+ if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
+ goto nomem;
+ 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;
(-12 * B - 48 * C) * d +
(8 * B + 24 * C) * (1 << 30);
}
- coeff *= fone >> (30 + 24);
- }
- else if (flags & SWS_X) {
+ coeff /= (1LL<<54)/fone;
+ } else if (flags & SWS_X) {
double A = param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
double c;
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) {
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;
/* 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);
+ if (!FF_ALLOCZ_TYPED_ARRAY(filter2, dstW * filter2Size))
+ goto nomem;
for (i = 0; i < dstW; i++) {
int j, k;
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 nomem;
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)
// 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;
}
- (*filterPos)[i] = srcW - filterSize;
+ }
+ 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]-= 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);
+ if (!FF_ALLOCZ_TYPED_ARRAY(*outFilter, *outFilterSize * (dstW + 3)))
+ goto nomem;
/* normalize & store in outFilter */
for (i = 0; i < dstW; i++) {
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);
}
ret = 0;
-
+ goto done;
+nomem:
+ ret = AVERROR(ENOMEM);
fail:
+ if(ret < 0)
+ av_log(NULL, ret == RETCODE_USE_CASCADE ? AV_LOG_DEBUG : AV_LOG_ERROR, "sws: initFilter failed\n");
+done:
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 (%%"FF_REG_d", %%"FF_REG_a"), %%mm3 \n\t"
- "movd (%%"FF_REG_c", %%"FF_REG_S"), %%mm0 \n\t"
- "movd 1(%%"FF_REG_c", %%"FF_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(%%"FF_REG_b", %%"FF_REG_a"), %%esi \n\t"
- "pmullw %%mm3, %%mm0 \n\t"
- "psllw $7, %%mm1 \n\t"
- "paddw %%mm1, %%mm0 \n\t"
-
- "movq %%mm0, (%%"FF_REG_D", %%"FF_REG_a") \n\t"
-
- "add $8, %%"FF_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 (%%"FF_REG_d", %%"FF_REG_a"), %%mm3 \n\t"
- "movd (%%"FF_REG_c", %%"FF_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(%%"FF_REG_b", %%"FF_REG_a"), %%esi \n\t"
- "pmullw %%mm3, %%mm0 \n\t"
- "psllw $7, %%mm1 \n\t"
- "paddw %%mm1, %%mm0 \n\t"
-
- "movq %%mm0, (%%"FF_REG_D", %%"FF_REG_a") \n\t"
-
- "add $8, %%"FF_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;
- }
- }
+ 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;
+ }
+ 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);
+}
- fragmentPos += fragmentLength;
+static void fill_xyztables(struct SwsContext *c)
+{
+ 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;
- if (filterCode)
- filterCode[fragmentPos] = RET;
- }
- xpos += xInc;
+ /* 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);
}
- if (filterCode)
- filterPos[((i / 2) + 1) & (~1)] = xpos >> 16; // needed to jump to the next part
-
- return fragmentPos + 1;
}
-#endif /* HAVE_MMXEXT_INLINE */
-static void getSubSampleFactors(int *h, int *v, enum AVPixelFormat format)
+static int range_override_needed(enum AVPixelFormat format)
{
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format);
- *h = desc->log2_chroma_w;
- *v = desc->log2_chroma_h;
+ return !isYUV(format) && !isGray(format);
}
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(range_override_needed(c->dstFormat))
+ dstRange = 0;
+ if(range_override_needed(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;
}
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;
*table = c->dstColorspaceTable;
- *srcRange = c->srcRange;
- *dstRange = c->dstRange;
+ *srcRange = range_override_needed(c->srcFormat) ? 1 : c->srcRange;
+ *dstRange = range_override_needed(c->dstFormat) ? 1 : c->dstRange;
*brightness = c->brightness;
*contrast = c->contrast;
*saturation = c->saturation;
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;
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_GRAY9LE:
+ case AV_PIX_FMT_GRAY9BE:
+ case AV_PIX_FMT_GRAY10LE:
+ case AV_PIX_FMT_GRAY10BE:
+ case AV_PIX_FMT_GRAY12LE:
+ case AV_PIX_FMT_GRAY12BE:
+ case AV_PIX_FMT_GRAY14LE:
+ case AV_PIX_FMT_GRAY14BE:
+ 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 = &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)
{
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;
+ static const float float_mult = 1.0f / 255.0f;
cpu_flags = av_get_cpu_flags();
flags = c->flags;
emms_c();
if (!rgb15to16)
- ff_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 |
/* 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;
(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,
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;
}
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 &&
+ srcFormat != AV_PIX_FMT_GBRPF32BE && srcFormat != AV_PIX_FMT_GBRPF32LE &&
+ srcFormat != AV_PIX_FMT_GBRAPF32BE && srcFormat != AV_PIX_FMT_GBRAPF32LE &&
((dstW >> c->chrDstHSubSample) <= (srcW >> 1) ||
(flags & SWS_FAST_BILINEAR)))
c->chrSrcHSubSample = 1;
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;
- }
- }
+ if (!FF_ALLOCZ_TYPED_ARRAY(c->formatConvBuffer, FFALIGN(srcW * 2 + 78, 16) * 2))
+ goto nomem;
c->srcBpc = desc_src->comp[0].depth;
if (c->srcBpc < 8)
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 <= 12) {
- 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;
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 AVERROR(ENOMEM);
+ }
+
+ c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFmt,
+ dstW, dstH, tmpFmt,
+ flags, srcFilter, dstFilter, c->param);
+
+ if (!c->cascaded_context[1])
+ return AVERROR(ENOMEM);
+
+ 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 ((ret = ff_init_filters(c2)) < 0) {
+ sws_freeContext(c2);
+ c->cascaded_context[1] = NULL;
+ return ret;
+ }
+
+ 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 AVERROR(ENOMEM);
+ }
+ return 0;
+ }
+
+ if (isBayer(srcFormat)) {
+ if (!unscaled ||
+ (dstFormat != AV_PIX_FMT_RGB24 && dstFormat != AV_PIX_FMT_YUV420P &&
+ dstFormat != AV_PIX_FMT_RGB48)) {
+ enum AVPixelFormat tmpFormat = isBayer16BPS(srcFormat) ? AV_PIX_FMT_RGB48 : 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 AVERROR(ENOMEM);
+
+ c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFormat,
+ dstW, dstH, dstFormat,
+ flags, NULL, dstFilter, c->param);
+ if (!c->cascaded_context[1])
+ return AVERROR(ENOMEM);
+ return 0;
+ }
+ }
+
+ if (unscaled && c->srcBpc == 8 && dstFormat == AV_PIX_FMT_GRAYF32){
+ for (i = 0; i < 256; ++i){
+ c->uint2float_lut[i] = (float)i * float_mult;
+ }
+ }
+
+ // float will be converted to uint16_t
+ if ((srcFormat == AV_PIX_FMT_GRAYF32BE || srcFormat == AV_PIX_FMT_GRAYF32LE) &&
+ (!unscaled || unscaled && dstFormat != srcFormat && (srcFormat != AV_PIX_FMT_GRAYF32 ||
+ dstFormat != AV_PIX_FMT_GRAY8))){
+ c->srcBpc = 16;
+ }
+
+ 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 AVERROR(EINVAL);
+ 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 AVERROR(EINVAL);
+
+ 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;
+ }
+ }
+ }
+
#if HAVE_MMAP && HAVE_MPROTECT && defined(MAP_ANONYMOUS)
#define USE_MMAP 1
#else
#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
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);
+ }
+
+ if (!FF_ALLOCZ_TYPED_ARRAY(c->hLumFilter, dstW / 8 + 8) ||
+ !FF_ALLOCZ_TYPED_ARRAY(c->hChrFilter, c->chrDstW / 4 + 8) ||
+ !FF_ALLOCZ_TYPED_ARRAY(c->hLumFilterPos, dstW / 2 / 8 + 8) ||
+ !FF_ALLOCZ_TYPED_ARRAY(c->hChrFilterPos, c->chrDstW / 2 / 4 + 8))
+ goto nomem;
- 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");
+ ret = AVERROR(EINVAL);
+ 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
/* 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
- FF_ALLOC_OR_GOTO(c, c->vYCoeffsBank, sizeof(vector signed short) * c->vLumFilterSize * c->dstH, fail);
- FF_ALLOC_OR_GOTO(c, c->vCCoeffsBank, sizeof(vector signed short) * c->vChrFilterSize * c->chrDstH, fail);
+ if (!FF_ALLOC_TYPED_ARRAY(c->vYCoeffsBank, c->vLumFilterSize * c->dstH) ||
+ !FF_ALLOC_TYPED_ARRAY(c->vCCoeffsBank, c->vChrFilterSize * c->chrDstH))
+ goto nomem;
for (i = 0; i < c->vLumFilterSize * c->dstH; i++) {
int j;
#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++)
+ if (!FF_ALLOCZ_TYPED_ARRAY(c->dither_error[i], c->dstW + 2))
+ goto nomem;
- /* 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 ||
#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,
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) ||
+ isFloat(srcFormat) || isFloat(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);
+nomem:
+ ret = AVERROR(ENOMEM);
fail: // FIXME replace things by appropriate error codes
- return -1;
+ 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 AVERROR(ENOMEM);
+
+ c->cascaded_context[1] = sws_getContext(tmpW, tmpH, tmpFormat,
+ dstW, dstH, dstFormat,
+ flags, NULL, dstFilter, c->param);
+ if (!c->cascaded_context[1])
+ return AVERROR(ENOMEM);
+ return 0;
+ }
+ return ret;
}
-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;
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;
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);
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,
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)
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;
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;
return vec;
}
+/**
+ * Allocate and return a vector with length coefficients, all
+ * with the same value c.
+ */
+static
SwsVector *sws_getConstVec(double c, int length)
{
int i;
return vec;
}
+/**
+ * Allocate and return a vector with just one coefficient, with
+ * value 1.0.
+ */
+static
SwsVector *sws_getIdentityVec(void)
{
return sws_getConstVec(1.0, 1);
sws_scaleVec(a, height / sws_dcVec(a));
}
-static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b)
-{
- int length = a->length + b->length - 1;
- int i, j;
- SwsVector *vec = sws_getConstVec(0.0, length);
-
- if (!vec)
- return NULL;
-
- for (i = 0; i < a->length; i++) {
- for (j = 0; j < b->length; j++) {
- vec->coeff[i + j] += a->coeff[i] * b->coeff[j];
- }
- }
-
- return vec;
-}
-
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b)
{
int length = FFMAX(a->length, b->length);
return vec;
}
-static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b)
-{
- int length = FFMAX(a->length, b->length);
- int i;
- SwsVector *vec = sws_getConstVec(0.0, length);
-
- if (!vec)
- return NULL;
-
- for (i = 0; i < a->length; i++)
- vec->coeff[i + (length - 1) / 2 - (a->length - 1) / 2] += a->coeff[i];
- for (i = 0; i < b->length; i++)
- vec->coeff[i + (length - 1) / 2 - (b->length - 1) / 2] -= b->coeff[i];
-
- return vec;
-}
-
/* shift left / or right if "shift" is negative */
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift)
{
return vec;
}
+static
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);
}
+static
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);
}
-void sws_subVec(SwsVector *a, SwsVector *b)
-{
- SwsVector *diff = sws_diffVec(a, b);
- av_free(a->coeff);
- a->coeff = diff->coeff;
- a->length = diff->length;
- av_free(diff);
-}
-
-void sws_convVec(SwsVector *a, SwsVector *b)
-{
- SwsVector *conv = sws_getConvVec(a, b);
- av_free(a->coeff);
- a->coeff = conv->coeff;
- a->length = conv->length;
- av_free(conv);
-}
-
-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];
-
- return vec;
-}
-
+/**
+ * Print with av_log() a textual representation of the vector a
+ * if log_level <= av_log_level.
+ */
+static
void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level)
{
int i;
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);
}
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);
#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);
}
{
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;
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;
}
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;
projects / ffmpeg / blobdiff