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-rw-r--r--libswscale/swscale_internal.h113
1 files changed, 85 insertions, 28 deletions
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 011626a..9a7baab 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
*/
@@ -36,10 +36,14 @@
#define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
+#define YUVRGB_TABLE_HEADROOM 128
+
#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
#define MAX_FILTER_SIZE 256
+#define DITHER1XBPP
+
#if HAVE_BIGENDIAN
#define ALT32_CORR (-1)
#else
@@ -317,10 +321,10 @@ 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];
//Colorspace stuff
int contrast, brightness, saturation; // for sws_getColorspaceDetails
@@ -328,6 +332,8 @@ 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 yuv2rgb_y_offset;
int yuv2rgb_y_coeff;
int yuv2rgb_v2r_coeff;
@@ -384,8 +390,8 @@ 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];
@@ -419,6 +425,7 @@ typedef struct SwsContext {
#if HAVE_VIS
DECLARE_ALIGNED(8, uint64_t, sparc_coeffs)[10];
#endif
+ int use_mmx_vfilter;
/* function pointers for swScale() */
yuv2planar1_fn yuv2plane1;
@@ -429,14 +436,14 @@ typedef struct SwsContext {
yuv2packedX_fn yuv2packedX;
/// 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);
/**
@@ -541,7 +548,13 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
void ff_bfin_get_unscaled_swscale(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)
{
@@ -554,9 +567,11 @@ 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);
@@ -597,9 +612,12 @@ 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 || \
@@ -613,11 +631,14 @@ 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 || \
@@ -631,11 +652,34 @@ 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) || \
+ (x)==AV_PIX_FMT_GBR24P \
+ )
static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt)
{
@@ -644,6 +688,16 @@ static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt)
return desc->nb_components == 2 || desc->nb_components == 4;
}
+#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);
@@ -652,6 +706,7 @@ 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);
@@ -678,12 +733,14 @@ 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 & PIX_FMT_PAL) || (desc->flags & PIX_FMT_PSEUDOPAL) ||
- pix_fmt == AV_PIX_FMT_Y400A);
+ return (desc->flags & PIX_FMT_PAL) || (desc->flags & PIX_FMT_PSEUDOPAL);
}
extern const uint64_t ff_dither4[2];
extern const uint64_t ff_dither8[2];
+extern const uint8_t dithers[8][8][8];
+extern const uint16_t dither_scale[15][16];
+
extern const AVClass sws_context_class;
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