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Diffstat (limited to 'src/libffmpeg/libavcodec/eval.h')
-rw-r--r-- | src/libffmpeg/libavcodec/eval.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/libffmpeg/libavcodec/eval.h b/src/libffmpeg/libavcodec/eval.h deleted file mode 100644 index b52199cf4..000000000 --- a/src/libffmpeg/libavcodec/eval.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * simple arithmetic expression evaluator - * - * Copyright (c) 2002 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 - */ - -/** - * @file eval.h - * eval header. - */ - -#ifndef AVCODEC_EVAL_H -#define AVCODEC_EVAL_H - -#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0) -double ff_eval(char *s, double *const_value, const char **const_name, - double (**func1)(void *, double), const char **func1_name, - double (**func2)(void *, double, double), char **func2_name, - void *opaque); -#endif - -/** - * Parses and evaluates an expression. - * Note, this is significantly slower than ff_parse_eval() - * @param s expression as a zero terminated string for example "1+2^3+5*5+sin(2/3)" - * @param func1 NULL terminated array of function pointers for functions which take 1 argument - * @param func2 NULL terminated array of function pointers for functions which take 2 arguments - * @param const_name NULL terminated array of zero terminated strings of constant identifers for example {"PI", "E", 0} - * @param func1_name NULL terminated array of zero terminated strings of func1 identifers - * @param func2_name NULL terminated array of zero terminated strings of func2 identifers - * @param error pointer to a char* which is set to an error message if something goes wrong - * @param const_value a zero terminated array of values for the identifers from const_name - * @param opaque a pointer which will be passed to all functions from func1 and func2 - * @return the value of the expression - */ -double ff_eval2(char *s, double *const_value, const char **const_name, - double (**func1)(void *, double), const char **func1_name, - double (**func2)(void *, double, double), char **func2_name, - void *opaque, char **error); - -typedef struct ff_expr_s AVEvalExpr; - -/** - * Parses a expression. - * @param s expression as a zero terminated string for example "1+2^3+5*5+sin(2/3)" - * @param func1 NULL terminated array of function pointers for functions which take 1 argument - * @param func2 NULL terminated array of function pointers for functions which take 2 arguments - * @param const_name NULL terminated array of zero terminated strings of constant identifers for example {"PI", "E", 0} - * @param func1_name NULL terminated array of zero terminated strings of func1 identifers - * @param func2_name NULL terminated array of zero terminated strings of func2 identifers - * @param error pointer to a char* which is set to an error message if something goes wrong - * @return AVEvalExpr which must be freed with ff_eval_free by the user when its not needed anymore - * NULL if anything went wrong - */ -AVEvalExpr * ff_parse(char *s, const char **const_name, - double (**func1)(void *, double), const char **func1_name, - double (**func2)(void *, double, double), char **func2_name, - char **error); -/** - * Evaluates a previously parsed expression. - * @param const_value a zero terminated array of values for the identifers from ff_parse const_name - * @param opaque a pointer which will be passed to all functions from func1 and func2 - * @return the value of the expression - */ -double ff_parse_eval(AVEvalExpr * e, double *const_value, void *opaque); -void ff_eval_free(AVEvalExpr * e); - -#endif /* AVCODEC_EVAL_H */ |