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-rw-r--r--libswscale/swscale_internal.h197
1 files changed, 157 insertions, 40 deletions
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 5737724c96..33fdfc2771 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -1,20 +1,20 @@
/*
- * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (C) 2001-2011 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
*/
@@ -30,16 +30,19 @@
#include "libavutil/avassert.h"
#include "libavutil/avutil.h"
#include "libavutil/common.h"
+#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/pixfmt.h"
#include "libavutil/pixdesc.h"
#define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
-#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
+#define YUVRGB_TABLE_HEADROOM 128
#define MAX_FILTER_SIZE 256
+#define DITHER1XBPP
+
#if HAVE_BIGENDIAN
#define ALT32_CORR (-1)
#else
@@ -58,6 +61,14 @@
struct SwsContext;
+typedef enum SwsDither {
+ SWS_DITHER_NONE = 0,
+ SWS_DITHER_AUTO,
+ SWS_DITHER_BAYER,
+ SWS_DITHER_ED,
+ NB_SWS_DITHER,
+} SwsDither;
+
typedef int (*SwsFunc)(struct SwsContext *context, const uint8_t *src[],
int srcStride[], int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[]);
@@ -351,10 +362,23 @@ typedef struct SwsContext {
int dstY; ///< Last destination vertical line output from last slice.
int flags; ///< Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
void *yuvTable; // pointer to the yuv->rgb table start so it can be freed()
- uint8_t *table_rV[256];
- uint8_t *table_gU[256];
- int table_gV[256];
- uint8_t *table_bU[256];
+ uint8_t *table_rV[256 + 2*YUVRGB_TABLE_HEADROOM];
+ uint8_t *table_gU[256 + 2*YUVRGB_TABLE_HEADROOM];
+ int table_gV[256 + 2*YUVRGB_TABLE_HEADROOM];
+ uint8_t *table_bU[256 + 2*YUVRGB_TABLE_HEADROOM];
+ DECLARE_ALIGNED(16, int32_t, input_rgb2yuv_table)[16+40*4]; // This table can contain both C and SIMD formatted values, teh C vales are always at the XY_IDX points
+#define RY_IDX 0
+#define GY_IDX 1
+#define BY_IDX 2
+#define RU_IDX 3
+#define GU_IDX 4
+#define BU_IDX 5
+#define RV_IDX 6
+#define GV_IDX 7
+#define BV_IDX 8
+#define RGB2YUV_SHIFT 15
+
+ int *dither_error[4];
//Colorspace stuff
int contrast, brightness, saturation; // for sws_getColorspaceDetails
@@ -362,6 +386,14 @@ typedef struct SwsContext {
int dstColorspaceTable[4];
int srcRange; ///< 0 = MPG YUV range, 1 = JPG YUV range (source image).
int dstRange; ///< 0 = MPG YUV range, 1 = JPG YUV range (destination image).
+ int src0Alpha;
+ int dst0Alpha;
+ int srcXYZ;
+ int dstXYZ;
+ int src_h_chr_pos;
+ int dst_h_chr_pos;
+ int src_v_chr_pos;
+ int dst_v_chr_pos;
int yuv2rgb_y_offset;
int yuv2rgb_y_coeff;
int yuv2rgb_v2r_coeff;
@@ -418,8 +450,8 @@ typedef struct SwsContext {
// alignment of these values is not necessary, but merely here
// to maintain the same offset across x8632 and x86-64. Once we
// use proper offset macros in the asm, they can be removed.
- DECLARE_ALIGNED(8, ptrdiff_t, uv_off_px); ///< offset (in pixels) between u and v planes
- DECLARE_ALIGNED(8, ptrdiff_t, uv_off_byte); ///< offset (in bytes) between u and v planes
+ DECLARE_ALIGNED(8, ptrdiff_t, uv_off); ///< offset (in pixels) between u and v planes
+ DECLARE_ALIGNED(8, ptrdiff_t, uv_offx2); ///< offset (in bytes) between u and v planes
DECLARE_ALIGNED(8, uint16_t, dither16)[8];
DECLARE_ALIGNED(8, uint32_t, dither32)[8];
@@ -453,6 +485,17 @@ typedef struct SwsContext {
#if HAVE_VIS
DECLARE_ALIGNED(8, uint64_t, sparc_coeffs)[10];
#endif
+ int use_mmx_vfilter;
+
+/* pre defined color-spaces gamma */
+#define XYZ_GAMMA (2.6f)
+#define RGB_GAMMA (2.2f)
+ int16_t *xyzgamma;
+ int16_t *rgbgamma;
+ int16_t *xyzgammainv;
+ int16_t *rgbgammainv;
+ int16_t xyz2rgb_matrix[3][4];
+ int16_t rgb2xyz_matrix[3][4];
/* function pointers for swscale() */
yuv2planar1_fn yuv2plane1;
@@ -464,24 +507,25 @@ typedef struct SwsContext {
yuv2anyX_fn yuv2anyX;
/// Unscaled conversion of luma plane to YV12 for horizontal scaler.
- void (*lumToYV12)(uint8_t *dst, const uint8_t *src,
+ void (*lumToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal);
/// Unscaled conversion of alpha plane to YV12 for horizontal scaler.
- void (*alpToYV12)(uint8_t *dst, const uint8_t *src,
+ void (*alpToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal);
/// Unscaled conversion of chroma planes to YV12 for horizontal scaler.
void (*chrToYV12)(uint8_t *dstU, uint8_t *dstV,
- const uint8_t *src1, const uint8_t *src2,
+ const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
int width, uint32_t *pal);
/**
* Functions to read planar input, such as planar RGB, and convert
- * internally to Y/UV.
+ * internally to Y/UV/A.
*/
/** @{ */
- void (*readLumPlanar)(uint8_t *dst, const uint8_t *src[4], int width);
+ void (*readLumPlanar)(uint8_t *dst, const uint8_t *src[4], int width, int32_t *rgb2yuv);
void (*readChrPlanar)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4],
- int width);
+ int width, int32_t *rgb2yuv);
+ void (*readAlpPlanar)(uint8_t *dst, const uint8_t *src[4], int width, int32_t *rgb2yuv);
/** @} */
/**
@@ -557,6 +601,8 @@ typedef struct SwsContext {
void (*chrConvertRange)(int16_t *dst1, int16_t *dst2, int width);
int needs_hcscale; ///< Set if there are chroma planes to be converted.
+
+ SwsDither dither;
} SwsContext;
//FIXME check init (where 0)
@@ -575,7 +621,13 @@ SwsFunc ff_yuv2rgb_init_vis(SwsContext *c);
SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c);
SwsFunc ff_yuv2rgb_init_bfin(SwsContext *c);
+#if FF_API_SWS_FORMAT_NAME
+/**
+ * @deprecated Use av_get_pix_fmt_name() instead.
+ */
+attribute_deprecated
const char *sws_format_name(enum AVPixelFormat format);
+#endif
static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
{
@@ -588,9 +640,11 @@ static av_always_inline int is9_OR_10BPS(enum AVPixelFormat pix_fmt)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
av_assert0(desc);
- return desc->comp[0].depth_minus1 == 8 || desc->comp[0].depth_minus1 == 9;
+ return desc->comp[0].depth_minus1 >= 8 && desc->comp[0].depth_minus1 <= 13;
}
+#define isNBPS(x) is9_OR_10BPS(x)
+
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -621,8 +675,8 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
#if 0 // FIXME
#define isGray(x) \
- (!(av_pix_fmt_descriptors[x].flags & AV_PIX_FMT_FLAG_PAL) && \
- av_pix_fmt_descriptors[x].nb_components <= 2)
+ (!(av_pix_fmt_desc_get(x)->flags & AV_PIX_FMT_FLAG_PAL) && \
+ av_pix_fmt_desc_get(x)->nb_components <= 2)
#else
#define isGray(x) \
((x) == AV_PIX_FMT_GRAY8 || \
@@ -631,9 +685,12 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
(x) == AV_PIX_FMT_GRAY16LE)
#endif
-#define isRGBinInt(x) \
- ((x) == AV_PIX_FMT_RGB48BE || \
+#define isRGBinInt(x) \
+ ( \
+ (x) == AV_PIX_FMT_RGB48BE || \
(x) == AV_PIX_FMT_RGB48LE || \
+ (x) == AV_PIX_FMT_RGBA64BE || \
+ (x) == AV_PIX_FMT_RGBA64LE || \
(x) == AV_PIX_FMT_RGB32 || \
(x) == AV_PIX_FMT_RGB32_1 || \
(x) == AV_PIX_FMT_RGB24 || \
@@ -647,11 +704,14 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
(x) == AV_PIX_FMT_RGB4 || \
(x) == AV_PIX_FMT_RGB4_BYTE || \
(x) == AV_PIX_FMT_MONOBLACK || \
- (x) == AV_PIX_FMT_MONOWHITE)
-
-#define isBGRinInt(x) \
- ((x) == AV_PIX_FMT_BGR48BE || \
+ (x) == AV_PIX_FMT_MONOWHITE \
+ )
+#define isBGRinInt(x) \
+ ( \
+ (x) == AV_PIX_FMT_BGR48BE || \
(x) == AV_PIX_FMT_BGR48LE || \
+ (x) == AV_PIX_FMT_BGRA64BE || \
+ (x) == AV_PIX_FMT_BGRA64LE || \
(x) == AV_PIX_FMT_BGR32 || \
(x) == AV_PIX_FMT_BGR32_1 || \
(x) == AV_PIX_FMT_BGR24 || \
@@ -665,19 +725,54 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
(x) == AV_PIX_FMT_BGR4 || \
(x) == AV_PIX_FMT_BGR4_BYTE || \
(x) == AV_PIX_FMT_MONOBLACK || \
- (x) == AV_PIX_FMT_MONOWHITE)
-
-#define isAnyRGB(x) \
- (isRGBinInt(x) || \
- isBGRinInt(x))
+ (x) == AV_PIX_FMT_MONOWHITE \
+ )
+
+#define isRGBinBytes(x) ( \
+ (x) == AV_PIX_FMT_RGB48BE \
+ || (x) == AV_PIX_FMT_RGB48LE \
+ || (x) == AV_PIX_FMT_RGBA64BE \
+ || (x) == AV_PIX_FMT_RGBA64LE \
+ || (x) == AV_PIX_FMT_RGBA \
+ || (x) == AV_PIX_FMT_ARGB \
+ || (x) == AV_PIX_FMT_RGB24 \
+ )
+#define isBGRinBytes(x) ( \
+ (x) == AV_PIX_FMT_BGR48BE \
+ || (x) == AV_PIX_FMT_BGR48LE \
+ || (x) == AV_PIX_FMT_BGRA64BE \
+ || (x) == AV_PIX_FMT_BGRA64LE \
+ || (x) == AV_PIX_FMT_BGRA \
+ || (x) == AV_PIX_FMT_ABGR \
+ || (x) == AV_PIX_FMT_BGR24 \
+ )
+
+#define isAnyRGB(x) \
+ ( \
+ isRGBinInt(x) || \
+ isBGRinInt(x) || \
+ isRGB(x) \
+ )
static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
av_assert0(desc);
- return desc->nb_components == 2 || desc->nb_components == 4;
+ if (pix_fmt == AV_PIX_FMT_PAL8)
+ return 1;
+ return desc->flags & AV_PIX_FMT_FLAG_ALPHA;
}
+#if 1
+#define isPacked(x) ( \
+ (x)==AV_PIX_FMT_PAL8 \
+ || (x)==AV_PIX_FMT_YUYV422 \
+ || (x)==AV_PIX_FMT_UYVY422 \
+ || (x)==AV_PIX_FMT_Y400A \
+ || isRGBinInt(x) \
+ || isBGRinInt(x) \
+ )
+#else
static av_always_inline int isPacked(enum AVPixelFormat pix_fmt)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -686,6 +781,7 @@ static av_always_inline int isPacked(enum AVPixelFormat pix_fmt)
pix_fmt == AV_PIX_FMT_PAL8);
}
+#endif
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -712,18 +808,19 @@ static av_always_inline int usePal(enum AVPixelFormat pix_fmt)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
av_assert0(desc);
- return ((desc->flags & AV_PIX_FMT_FLAG_PAL) || (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) ||
- pix_fmt == AV_PIX_FMT_Y400A);
+ return (desc->flags & AV_PIX_FMT_FLAG_PAL) || (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL);
}
extern const uint64_t ff_dither4[2];
extern const uint64_t ff_dither8[2];
-extern const uint8_t ff_dither_4x4_16[4][8];
-extern const uint8_t ff_dither_8x8_32[8][8];
-extern const uint8_t ff_dither_8x8_73[8][8];
-extern const uint8_t ff_dither_8x8_128[8][8];
-extern const uint8_t ff_dither_8x8_220[8][8];
+extern const uint8_t ff_dither_2x2_4[3][8];
+extern const uint8_t ff_dither_2x2_8[3][8];
+extern const uint8_t ff_dither_4x4_16[5][8];
+extern const uint8_t ff_dither_8x8_32[9][8];
+extern const uint8_t ff_dither_8x8_73[9][8];
+extern const uint8_t ff_dither_8x8_128[9][8];
+extern const uint8_t ff_dither_8x8_220[9][8];
extern const int32_t ff_yuv2rgb_coeffs[8][4];
@@ -755,4 +852,24 @@ void ff_sws_init_output_funcs(SwsContext *c,
void ff_sws_init_swscale_ppc(SwsContext *c);
void ff_sws_init_swscale_x86(SwsContext *c);
+static inline void fillPlane16(uint8_t *plane, int stride, int width, int height, int y,
+ int alpha, int bits, const int big_endian)
+{
+ int i, j;
+ uint8_t *ptr = plane + stride * y;
+ int v = alpha ? 0xFFFF>>(15-bits) : (1<<bits);
+ for (i = 0; i < height; i++) {
+#define FILL(wfunc) \
+ for (j = 0; j < width; j++) {\
+ wfunc(ptr+2*j, v);\
+ }
+ if (big_endian) {
+ FILL(AV_WB16);
+ } else {
+ FILL(AV_WL16);
+ }
+ ptr += stride;
+ }
+}
+
#endif /* SWSCALE_SWSCALE_INTERNAL_H */
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