/*
- Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * 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.
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
-#ifndef SWSCALE_H
-#define SWSCALE_H
+#ifndef FFMPEG_SWSCALE_H
+#define FFMPEG_SWSCALE_H
/**
* @file swscale.h
- * @brief
+ * @brief
* external api for the swscale stuff
*/
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include "libavutil/avutil.h"
-#define AV_STRINGIFY(s) AV_TOSTRING(s)
-#define AV_TOSTRING(s) #s
+#define LIBSWSCALE_VERSION_MAJOR 0
+#define LIBSWSCALE_VERSION_MINOR 5
+#define LIBSWSCALE_VERSION_MICRO 1
-#define LIBSWSCALE_VERSION_INT ((0<<16)+(5<<8)+0)
-#define LIBSWSCALE_VERSION 0.5.0
+#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
+ LIBSWSCALE_VERSION_MINOR, \
+ LIBSWSCALE_VERSION_MICRO)
+#define LIBSWSCALE_VERSION AV_VERSION(LIBSWSCALE_VERSION_MAJOR, \
+ LIBSWSCALE_VERSION_MINOR, \
+ LIBSWSCALE_VERSION_MICRO)
#define LIBSWSCALE_BUILD LIBSWSCALE_VERSION_INT
#define LIBSWSCALE_IDENT "SwS" AV_STRINGIFY(LIBSWSCALE_VERSION)
/* values for the flags, the stuff on the command line is different */
-#define SWS_FAST_BILINEAR 1
-#define SWS_BILINEAR 2
-#define SWS_BICUBIC 4
-#define SWS_X 8
-#define SWS_POINT 0x10
-#define SWS_AREA 0x20
-#define SWS_BICUBLIN 0x40
-#define SWS_GAUSS 0x80
-#define SWS_SINC 0x100
-#define SWS_LANCZOS 0x200
-#define SWS_SPLINE 0x400
-
-#define SWS_SRC_V_CHR_DROP_MASK 0x30000
-#define SWS_SRC_V_CHR_DROP_SHIFT 16
-
-#define SWS_PARAM_DEFAULT 123456
-
-#define SWS_PRINT_INFO 0x1000
-
-//the following 3 flags are not completly implemented
-//internal chrominace subsamling info
-#define SWS_FULL_CHR_H_INT 0x2000
+#define SWS_FAST_BILINEAR 1
+#define SWS_BILINEAR 2
+#define SWS_BICUBIC 4
+#define SWS_X 8
+#define SWS_POINT 0x10
+#define SWS_AREA 0x20
+#define SWS_BICUBLIN 0x40
+#define SWS_GAUSS 0x80
+#define SWS_SINC 0x100
+#define SWS_LANCZOS 0x200
+#define SWS_SPLINE 0x400
+
+#define SWS_SRC_V_CHR_DROP_MASK 0x30000
+#define SWS_SRC_V_CHR_DROP_SHIFT 16
+
+#define SWS_PARAM_DEFAULT 123456
+
+#define SWS_PRINT_INFO 0x1000
+
+//the following 3 flags are not completely implemented
+//internal chrominace subsampling info
+#define SWS_FULL_CHR_H_INT 0x2000
//input subsampling info
-#define SWS_FULL_CHR_H_INP 0x4000
-#define SWS_DIRECT_BGR 0x8000
-#define SWS_ACCURATE_RND 0x40000
+#define SWS_FULL_CHR_H_INP 0x4000
+#define SWS_DIRECT_BGR 0x8000
+#define SWS_ACCURATE_RND 0x40000
-#define SWS_CPU_CAPS_MMX 0x80000000
-#define SWS_CPU_CAPS_MMX2 0x20000000
-#define SWS_CPU_CAPS_3DNOW 0x40000000
-#define SWS_CPU_CAPS_ALTIVEC 0x10000000
+#define SWS_CPU_CAPS_MMX 0x80000000
+#define SWS_CPU_CAPS_MMX2 0x20000000
+#define SWS_CPU_CAPS_3DNOW 0x40000000
+#define SWS_CPU_CAPS_ALTIVEC 0x10000000
+#define SWS_CPU_CAPS_BFIN 0x01000000
#define SWS_MAX_REDUCE_CUTOFF 0.002
-#define SWS_CS_ITU709 1
-#define SWS_CS_FCC 4
-#define SWS_CS_ITU601 5
-#define SWS_CS_ITU624 5
-#define SWS_CS_SMPTE170M 5
-#define SWS_CS_SMPTE240M 7
-#define SWS_CS_DEFAULT 5
+#define SWS_CS_ITU709 1
+#define SWS_CS_FCC 4
+#define SWS_CS_ITU601 5
+#define SWS_CS_ITU624 5
+#define SWS_CS_SMPTE170M 5
+#define SWS_CS_SMPTE240M 7
+#define SWS_CS_DEFAULT 5
// when used for filters they must have an odd number of elements
// coeffs cannot be shared between vectors
typedef struct {
- double *coeff;
- int length;
+ double *coeff;
+ int length;
} SwsVector;
// vectors can be shared
typedef struct {
- SwsVector *lumH;
- SwsVector *lumV;
- SwsVector *chrH;
- SwsVector *chrV;
+ SwsVector *lumH;
+ SwsVector *lumV;
+ SwsVector *chrH;
+ SwsVector *chrV;
} SwsFilter;
struct SwsContext;
void sws_freeContext(struct SwsContext *swsContext);
struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
- SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
+ SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
int sws_scale(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]);
+ int srcSliceH, uint8_t* dst[], int dstStride[]);
int sws_scale_ordered(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]);
+ int srcSliceH, uint8_t* dst[], int dstStride[]) attribute_deprecated;
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);
void sws_printVec(SwsVector *a);
void sws_freeVec(SwsVector *a);
-SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
- float lumaSarpen, float chromaSharpen,
- float chromaHShift, float chromaVShift,
- int verbose);
+SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
+ float lumaSarpen, float chromaSharpen,
+ float chromaHShift, float chromaVShift,
+ int verbose);
void sws_freeFilter(SwsFilter *filter);
-#ifdef __cplusplus
-}
-#endif
+struct SwsContext *sws_getCachedContext(struct SwsContext *context,
+ int srcW, int srcH, int srcFormat,
+ int dstW, int dstH, int dstFormat, int flags,
+ SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
-#endif
+#endif /* FFMPEG_SWSCALE_H */
projects / ffmpeg / blobdiff