X-Git-Url: http://47.100.26.94:8080/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjni%2Finclude%2Flibswscale%2Fswscale.h;fp=app%2Fsrc%2Fmain%2Fjni%2Finclude%2Flibswscale%2Fswscale.h;h=0000000000000000000000000000000000000000;hb=577426ccc66649228285c4a0b6ba8752836059c6;hp=da9dd2ea8f843673948d9e3988c21806bc49b5a3;hpb=b7202442677d0cf41e6e59870cd6c34e5619b8b9;p=rtmpclient.git diff --git a/app/src/main/jni/include/libswscale/swscale.h b/app/src/main/jni/include/libswscale/swscale.h deleted file mode 100644 index da9dd2e..0000000 --- a/app/src/main/jni/include/libswscale/swscale.h +++ /dev/null @@ -1,350 +0,0 @@ -/* - * Copyright (C) 2001-2011 Michael Niedermayer - * - * 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_SWSCALE_H -#define SWSCALE_SWSCALE_H - -/** - * @file - * @ingroup libsws - * external API header - */ - -#include - -#include "libavutil/avutil.h" -#include "libavutil/log.h" -#include "libavutil/pixfmt.h" -#include "version.h" - -/** - * @defgroup libsws Color conversion and scaling - * @{ - * - * Return the LIBSWSCALE_VERSION_INT constant. - */ -unsigned swscale_version(void); - -/** - * Return the libswscale build-time configuration. - */ -const char *swscale_configuration(void); - -/** - * Return the libswscale license. - */ -const char *swscale_license(void); - -/* 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 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_BITEXACT 0x80000 -#define SWS_ERROR_DIFFUSION 0x800000 - -#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 - -/** - * Return a pointer to yuv<->rgb coefficients for the given colorspace - * suitable for sws_setColorspaceDetails(). - * - * @param colorspace One of the SWS_CS_* macros. If invalid, - * SWS_CS_DEFAULT is used. - */ -const int *sws_getCoefficients(int colorspace); - -// when used for filters they must have an odd number of elements -// coeffs cannot be shared between vectors -typedef struct SwsVector { - double *coeff; ///< pointer to the list of coefficients - int length; ///< number of coefficients in the vector -} SwsVector; - -// vectors can be shared -typedef struct SwsFilter { - SwsVector *lumH; - SwsVector *lumV; - SwsVector *chrH; - SwsVector *chrV; -} SwsFilter; - -struct SwsContext; - -/** - * Return a positive value if pix_fmt is a supported input format, 0 - * otherwise. - */ -int sws_isSupportedInput(enum AVPixelFormat pix_fmt); - -/** - * Return a positive value if pix_fmt is a supported output format, 0 - * otherwise. - */ -int sws_isSupportedOutput(enum AVPixelFormat pix_fmt); - -/** - * @param[in] pix_fmt the pixel format - * @return a positive value if an endianness conversion for pix_fmt is - * supported, 0 otherwise. - */ -int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt); - -/** - * Allocate 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); - -/** - * Initialize the swscaler context sws_context. - * - * @return zero or positive value on success, a negative value on - * error - */ -av_warn_unused_result -int sws_init_context(struct SwsContext *sws_context, SwsFilter *srcFilter, SwsFilter *dstFilter); - -/** - * Free the swscaler context swsContext. - * If swsContext is NULL, then does nothing. - */ -void sws_freeContext(struct SwsContext *swsContext); - -/** - * Allocate and return an SwsContext. You need it to perform - * scaling/conversion operations using sws_scale(). - * - * @param srcW the width of the source image - * @param srcH the height of the source image - * @param srcFormat the source image format - * @param dstW the width of the destination image - * @param dstH the height of the destination image - * @param dstFormat the destination image format - * @param flags specify which algorithm and options to use for rescaling - * @param param extra parameters to tune the used scaler - * For SWS_BICUBIC param[0] and [1] tune the shape of the basis - * function, param[0] tunes f(1) and param[1] f´(1) - * For SWS_GAUSS param[0] tunes the exponent and thus cutoff - * frequency - * For SWS_LANCZOS param[0] tunes the width of the window function - * @return a pointer to an allocated context, or NULL in case of error - * @note this function is to be removed after a saner alternative is - * written - */ -struct SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat, - int dstW, int dstH, enum AVPixelFormat dstFormat, - int flags, SwsFilter *srcFilter, - SwsFilter *dstFilter, const double *param); - -/** - * Scale the image slice in srcSlice and put the resulting scaled - * slice in the image in dst. A slice is a sequence of consecutive - * rows in an image. - * - * Slices have to be provided in sequential order, either in - * top-bottom or bottom-top order. If slices are provided in - * non-sequential order the behavior of the function is undefined. - * - * @param c the scaling context previously created with - * sws_getContext() - * @param srcSlice the array containing the pointers to the planes of - * the source slice - * @param srcStride the array containing the strides for each plane of - * the source image - * @param srcSliceY the position in the source image of the slice to - * process, that is the number (counted starting from - * zero) in the image of the first row of the slice - * @param srcSliceH the height of the source slice, that is the number - * of rows in the slice - * @param dst the array containing the pointers to the planes of - * the destination image - * @param dstStride the array containing the strides for each plane of - * the destination image - * @return the height of the output slice - */ -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 dstRange flag indicating the while-black range of the output (1=jpeg / 0=mpeg) - * @param srcRange flag indicating the while-black range of the input (1=jpeg / 0=mpeg) - * @param table the yuv2rgb coefficients describing the output yuv space, normally ff_yuv2rgb_coeffs[x] - * @param inv_table the yuv2rgb coefficients describing the input yuv space, normally ff_yuv2rgb_coeffs[x] - * @param brightness 16.16 fixed point brightness correction - * @param contrast 16.16 fixed point contrast correction - * @param saturation 16.16 fixed point saturation correction - * @return -1 if not supported - */ -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); - -/** - * @return -1 if not supported - */ -int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table, - int *srcRange, int **table, int *dstRange, - int *brightness, int *contrast, int *saturation); - -/** - * Allocate and return an uninitialized vector with length coefficients. - */ -SwsVector *sws_allocVec(int length); - -/** - * Return a normalized Gaussian curve used to filter stuff - * quality = 3 is high quality, lower is lower quality. - */ -SwsVector *sws_getGaussianVec(double variance, double quality); - -/** - * Allocate and return a vector with length coefficients, all - * with the same value c. - */ -SwsVector *sws_getConstVec(double c, int length); - -/** - * Allocate and return a vector with just one coefficient, with - * value 1.0. - */ -SwsVector *sws_getIdentityVec(void); - -/** - * Scale all the coefficients of a by the scalar value. - */ -void sws_scaleVec(SwsVector *a, double scalar); - -/** - * Scale all the coefficients of a so that their sum equals height. - */ -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); - -/** - * Allocate and return a clone of the vector a, that is a vector - * with the same coefficients as a. - */ -SwsVector *sws_cloneVec(SwsVector *a); - -/** - * Print with av_log() a textual representation of the vector a - * if log_level <= av_log_level. - */ -void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level); - -void sws_freeVec(SwsVector *a); - -SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, - float lumaSharpen, float chromaSharpen, - float chromaHShift, float chromaVShift, - int verbose); -void sws_freeFilter(SwsFilter *filter); - -/** - * Check if context can be reused, otherwise reallocate a new one. - * - * If context is NULL, just calls sws_getContext() to get a new - * context. Otherwise, checks if the parameters are the ones already - * saved in context. If that is the case, returns the current - * context. Otherwise, frees context and gets a new context with - * the new parameters. - * - * Be warned that srcFilter and dstFilter are not checked, they - * are assumed to remain the same. - */ -struct SwsContext *sws_getCachedContext(struct SwsContext *context, - int srcW, int srcH, enum AVPixelFormat srcFormat, - int dstW, int dstH, enum AVPixelFormat dstFormat, - int flags, SwsFilter *srcFilter, - SwsFilter *dstFilter, const double *param); - -/** - * Convert an 8-bit paletted frame into a frame with a color depth of 32 bits. - * - * The output frame will have the same packed format as the palette. - * - * @param src source frame buffer - * @param dst destination frame buffer - * @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, int num_pixels, const uint8_t *palette); - -/** - * Convert an 8-bit paletted frame into a frame with a color depth of 24 bits. - * - * With the palette format "ABCD", the destination frame ends up with the format "ABC". - * - * @param src source frame buffer - * @param dst destination frame buffer - * @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, int num_pixels, const uint8_t *palette); - -/** - * Get the AVClass for swsContext. It can be used in combination with - * AV_OPT_SEARCH_FAKE_OBJ for examining options. - * - * @see av_opt_find(). - */ -const AVClass *sws_get_class(void); - -/** - * @} - */ - -#endif /* SWSCALE_SWSCALE_H */