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author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-11-08 14:06:49 +0000 |
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committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-11-08 14:06:49 +0000 |
commit | d2af7205a12afde34c916ef96ba8c7a26aa0813e (patch) | |
tree | f66721788b2a9ad55d83c74cc075761bf9a5eaea /libavutil/eval.h | |
parent | 24de0edbd589b7cb0da51260073a1a28bb6a2619 (diff) | |
download | ffmpeg-d2af7205a12afde34c916ef96ba8c7a26aa0813e.tar.gz |
Use hierarchic names convention (prefix them with av_expr) for the
eval API.
More grep-friendly and more consistent with the rest of the FFmpeg
API.
Originally committed as revision 25708 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/eval.h')
-rw-r--r-- | libavutil/eval.h | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/libavutil/eval.h b/libavutil/eval.h index 7a4f5f0c27..ee378a29b4 100644 --- a/libavutil/eval.h +++ b/libavutil/eval.h @@ -26,11 +26,13 @@ #ifndef AVUTIL_EVAL_H #define AVUTIL_EVAL_H +#include "avutil.h" + typedef struct AVExpr AVExpr; /** * Parse and evaluate an expression. - * Note, this is significantly slower than av_eval_expr(). + * Note, this is significantly slower than av_expr_eval(). * * @param res a pointer to a double where is put the result value of * the expression, or NAN in case of error @@ -46,7 +48,7 @@ typedef struct AVExpr AVExpr; * @return 0 in case of success, a negative value corresponding to an * AVERROR code otherwise */ -int av_parse_and_eval_expr(double *res, const char *s, +int av_expr_parse_and_eval(double *res, const char *s, const char * const *const_names, const double *const_values, const char * const *func1_names, double (* const *funcs1)(void *, double), const char * const *func2_names, double (* const *funcs2)(void *, double, double), @@ -57,7 +59,7 @@ int av_parse_and_eval_expr(double *res, const char *s, * * @param expr a pointer where is put an AVExpr containing the parsed * value in case of successfull parsing, or NULL otherwise. - * The pointed to AVExpr must be freed with av_free_expr() by the user + * The pointed to AVExpr must be freed with av_expr_free() by the user * when it is not needed anymore. * @param s expression as a zero terminated string, for example "1+2^3+5*5+sin(2/3)" * @param const_names NULL terminated array of zero terminated strings of constant identifiers, for example {"PI", "E", 0} @@ -69,7 +71,7 @@ int av_parse_and_eval_expr(double *res, const char *s, * @return 0 in case of success, a negative value corresponding to an * AVERROR code otherwise */ -int av_parse_expr(AVExpr **expr, const char *s, +int av_expr_parse(AVExpr **expr, const char *s, const char * const *const_names, const char * const *func1_names, double (* const *funcs1)(void *, double), const char * const *func2_names, double (* const *funcs2)(void *, double, double), @@ -78,16 +80,49 @@ int av_parse_expr(AVExpr **expr, const char *s, /** * Evaluate a previously parsed expression. * - * @param const_values a zero terminated array of values for the identifiers from av_parse_expr() const_names + * @param const_values a zero terminated array of values for the identifiers from av_expr_parse() const_names * @param opaque a pointer which will be passed to all functions from funcs1 and funcs2 * @return the value of the expression */ +double av_expr_eval(AVExpr *e, const double *const_values, void *opaque); + +/** + * Free a parsed expression previously created with av_expr_parse(). + */ +void av_expr_free(AVExpr *e); + +#if FF_API_OLD_EVAL_NAMES +/** + * @deprecated Deprecated in favor of av_expr_parse_and_eval(). + */ +attribute_deprecated +int av_parse_and_eval_expr(double *res, const char *s, + const char * const *const_names, const double *const_values, + const char * const *func1_names, double (* const *funcs1)(void *, double), + const char * const *func2_names, double (* const *funcs2)(void *, double, double), + void *opaque, int log_offset, void *log_ctx); + +/** + * @deprecated Deprecated in favor of av_expr_parse(). + */ +attribute_deprecated +int av_parse_expr(AVExpr **expr, const char *s, + const char * const *const_names, + const char * const *func1_names, double (* const *funcs1)(void *, double), + const char * const *func2_names, double (* const *funcs2)(void *, double, double), + int log_offset, void *log_ctx); +/** + * @deprecated Deprecated in favor of av_expr_eval(). + */ +attribute_deprecated double av_eval_expr(AVExpr *e, const double *const_values, void *opaque); /** - * Free a parsed expression previously created with av_parse_expr(). + * @deprecated Deprecated in favor of av_expr_free(). */ +attribute_deprecated void av_free_expr(AVExpr *e); +#endif /* FF_API_OLD_EVAL_NAMES */ /** * Parse the string in numstr and return its value as a double. If |