Move postproc ---> libswscale

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18866 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 129 insertions, 0 deletions

diff --git a/libswscale/swscale.h b/libswscale/swscale.h
new file mode 100644
index 0000000000..e589e7dce0
--- /dev/null
+++ b/libswscale/swscale.h
@@ -0,0 +1,129 @@
+/*
+    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
+*/
+
+#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_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
+//input subsampling info
+#define SWS_FULL_CHR_H_INP	0x4000
+#define SWS_DIRECT_BGR		0x8000
+
+#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
+
+#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;
+} SwsVector;
+
+// vectors can be shared
+typedef struct {
+	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);
+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