/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
*/
#include "libavutil/avutil.h"
+#include "libavutil/log.h"
+#include "libavutil/pixfmt.h"
-#define LIBSWSCALE_VERSION_MAJOR 0
-#define LIBSWSCALE_VERSION_MINOR 11
+#define LIBSWSCALE_VERSION_MAJOR 2
+#define LIBSWSCALE_VERSION_MINOR 0
#define LIBSWSCALE_VERSION_MICRO 0
#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
#define LIBSWSCALE_IDENT "SwS" AV_STRINGIFY(LIBSWSCALE_VERSION)
+/**
+ * Those FF_API_* defines are not part of public API.
+ * They may change, break or disappear at any time.
+ */
+#ifndef FF_API_SWS_GETCONTEXT
+#define FF_API_SWS_GETCONTEXT (LIBSWSCALE_VERSION_MAJOR < 3)
+#endif
+#ifndef FF_API_SWS_CPU_CAPS
+#define FF_API_SWS_CPU_CAPS (LIBSWSCALE_VERSION_MAJOR < 3)
+#endif
+
/**
* Returns the LIBSWSCALE_VERSION_INT constant.
*/
#define SWS_ACCURATE_RND 0x40000
#define SWS_BITEXACT 0x80000
+#if FF_API_SWS_CPU_CAPS
+/**
+ * CPU caps are autodetected now, those flags
+ * are only provided for API compatibility.
+ */
#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_CPU_CAPS_SSE2 0x02000000
+#endif
#define SWS_MAX_REDUCE_CUTOFF 0.002
int sws_isSupportedOutput(enum PixelFormat pix_fmt);
/**
- * Alloctaes an empty SwsContext, this must be filled and passed to sws_init_context().
- * For filling see AVOptions, options.c and sws_setColorspaceDetails().
+ * Allocates an empty SwsContext. This must be filled and passed to
+ * sws_init_context(). For filling see AVOptions, options.c and
+ * sws_setColorspaceDetails().
*/
struct SwsContext *sws_alloc_context(void);
/**
- * Initializs the swscaler context sws_context.
+ * Initializes the swscaler context sws_context.
+ *
+ * @return zero or positive value on success, a negative value on
+ * error
*/
int sws_init_context(struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter);
*/
void sws_freeContext(struct SwsContext *swsContext);
+#if FF_API_SWS_GETCONTEXT
/**
* Allocates and returns a SwsContext. You need it to perform
* scaling/conversion operations using sws_scale().
* @param dstFormat the destination image format
* @param flags specify which algorithm and options to use for rescaling
* @return a pointer to an allocated context, or NULL in case of error
- * @deprecated use sws_alloc_context() and sws_init_context()
+ * @note this function is to be removed after a saner alternative is
+ * written
+ * @deprecated Use sws_getCachedContext() instead.
*/
struct SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
int dstW, int dstH, enum PixelFormat dstFormat,
int flags, SwsFilter *srcFilter,
SwsFilter *dstFilter, const double *param);
+#endif
/**
* Scales the image slice in srcSlice and puts the resulting scaled
* top-bottom or bottom-top order. If slices are provided in
* non-sequential order the behavior of the function is undefined.
*
- * @param context the scaling context previously created with
+ * @param c the scaling context previously created with
* sws_getContext()
* @param srcSlice the array containing the pointers to the planes of
* the source slice
* the destination image
* @return the height of the output slice
*/
-int sws_scale(struct SwsContext *context, const uint8_t* const srcSlice[], const int srcStride[],
- int srcSliceY, int srcSliceH, uint8_t* const dst[], const int dstStride[]);
-
-#if LIBSWSCALE_VERSION_MAJOR < 1
-/**
- * @deprecated Use sws_scale() instead.
- */
-int sws_scale_ordered(struct SwsContext *context, const uint8_t* const src[],
- int srcStride[], int srcSliceY, int srcSliceH,
- uint8_t* dst[], int dstStride[]) attribute_deprecated;
-#endif
+int sws_scale(struct SwsContext *c, const uint8_t* const srcSlice[],
+ const int srcStride[], int srcSliceY, int srcSliceH,
+ uint8_t* const dst[], const int dstStride[]);
/**
* @param inv_table the yuv2rgb coefficients, normally ff_yuv2rgb_coeffs[x]
- * @param fullRange if 1 then the luma range is 0..255 if 0 it is 16..235
* @return -1 if not supported
*/
int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
*/
SwsVector *sws_cloneVec(SwsVector *a);
-#if LIBSWSCALE_VERSION_MAJOR < 1
-/**
- * @deprecated Use sws_printVec2() instead.
- */
-attribute_deprecated void sws_printVec(SwsVector *a);
-#endif
-
/**
* Prints with av_log() a textual representation of the vector a
* if log_level <= av_log_level.
* @param num_pixels number of pixels to convert
* @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src
*/
-void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
+void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette);
/**
* Converts an 8bit paletted frame into a frame with a color depth of 24 bits.
* @param num_pixels number of pixels to convert
* @param palette array with [256] entries, which must match color arrangement (RGB or BGR) of src
*/
-void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
+void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette);
#endif /* SWSCALE_SWSCALE_H */