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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2010-11-08 14:06:49 +0000
committerStefano Sabatini <stefano.sabatini-lala@poste.it>2010-11-08 14:06:49 +0000
commitd2af7205a12afde34c916ef96ba8c7a26aa0813e (patch)
treef66721788b2a9ad55d83c74cc075761bf9a5eaea /libavutil/eval.h
parent24de0edbd589b7cb0da51260073a1a28bb6a2619 (diff)
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.h47
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