/*
- Copyright (C) 2001-2002 Michael Niedermayer <michaelni@gmx.at>
+ 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
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#ifndef SWSCALE_H
+#define SWSCALE_H
+
+/**
+ * @file swscale.h
+ * @brief
+ * external api for the swscale stuff
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* values for the flags, the stuff on the command line is different */
#define SWS_FAST_BILINEAR 1
#define SWS_BILINEAR 2
#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
-//the following 4 flags are not completly implemented
+#define SWS_PARAM_MASK 0x3FC0000
+#define SWS_PARAM_SHIFT 18
+
+#define SWS_PRINT_INFO 0x1000
+
+//the following 3 flags are not completly implemented
//internal chrominace subsamling info
-#define SWS_FULL_CHR_V 0x100
-#define SWS_FULL_CHR_H_INT 0x200
+#define SWS_FULL_CHR_H_INT 0x2000
//input subsampling info
-#define SWS_FULL_CHR_H_INP 0x400
-#define SWS_DIRECT_BGR 0x800
+#define SWS_FULL_CHR_H_INP 0x4000
+#define SWS_DIRECT_BGR 0x8000
-#define SWS_PRINT_INFO 0x1000
+#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_MAX_REDUCE_CUTOFF 0.002
-/* this struct should be aligned on at least 32-byte boundary */
-typedef struct{
- int srcW, srcH, dstW, dstH;
- int chrSrcW, chrSrcH, chrDstW, chrDstH;
- int lumXInc, chrXInc;
- int lumYInc, chrYInc;
- int dstFormat, srcFormat;
-
- int16_t **lumPixBuf;
- int16_t **chrPixBuf;
- int16_t *hLumFilter;
- int16_t *hLumFilterPos;
- int16_t *hChrFilter;
- int16_t *hChrFilterPos;
- int16_t *vLumFilter;
- int16_t *vLumFilterPos;
- int16_t *vChrFilter;
- int16_t *vChrFilterPos;
-
-// Contain simply the values from v(Lum|Chr)Filter just nicely packed for mmx
- int16_t *lumMmxFilter;
- int16_t *chrMmxFilter;
- uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
-
- int hLumFilterSize;
- int hChrFilterSize;
- int vLumFilterSize;
- int vChrFilterSize;
- int vLumBufSize;
- int vChrBufSize;
-
- uint8_t __attribute__((aligned(32))) funnyYCode[10000];
- uint8_t __attribute__((aligned(32))) funnyUVCode[10000];
-
- int canMMX2BeUsed;
-
- int lastInLumBuf;
- int lastInChrBuf;
- int lumBufIndex;
- int chrBufIndex;
- int dstY;
- int flags;
-} SwsContext;
-//FIXME check init (where 0)
+#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
SwsVector *chrV;
} SwsFilter;
+struct SwsContext;
-// *** bilinear scaling and yuv->rgb & yuv->yuv conversion of yv12 slices:
-// *** Note: it's called multiple times while decoding a frame, first time y==0
-// dstbpp == 12 -> yv12 output
-// will use sws_flags
-void SwScale_YV12slice(unsigned char* src[],int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride, int dstbpp,
- int srcW, int srcH, int dstW, int dstH);
+void sws_freeContext(struct SwsContext *swsContext);
-// Obsolete, will be removed soon
-void SwScale_Init();
-
-
-
-void freeSwsContext(SwsContext *swsContext);
-
-SwsContext *getSwsContextFromCmdLine(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat);
-SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
+struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter);
-
-extern void (*swScale)(SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]);
-
-SwsVector *getGaussianVec(double variance, double quality);
-SwsVector *getConstVec(double c, int length);
-SwsVector *getIdentityVec(void);
-void scaleVec(SwsVector *a, double scalar);
-void normalizeVec(SwsVector *a, double height);
-void convVec(SwsVector *a, SwsVector *b);
-void addVec(SwsVector *a, SwsVector *b);
-void subVec(SwsVector *a, SwsVector *b);
-void shiftVec(SwsVector *a, int shift);
-SwsVector *cloneVec(SwsVector *a);
-
-void printVec(SwsVector *a);
-void freeVec(SwsVector *a);
-
+int sws_scale(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
+ 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 sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation);
+int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation);
+SwsVector *sws_getGaussianVec(double variance, double quality);
+SwsVector *sws_getConstVec(double c, int length);
+SwsVector *sws_getIdentityVec(void);
+void sws_scaleVec(SwsVector *a, double scalar);
+void sws_normalizeVec(SwsVector *a, double height);
+void sws_convVec(SwsVector *a, SwsVector *b);
+void sws_addVec(SwsVector *a, SwsVector *b);
+void sws_subVec(SwsVector *a, SwsVector *b);
+void sws_shiftVec(SwsVector *a, int shift);
+SwsVector *sws_cloneVec(SwsVector *a);
+
+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);
+void sws_freeFilter(SwsFilter *filter);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
projects / ffmpeg / blobdiff