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92
void av_expr_free(AVExpr *e);
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#if FF_API_OLD_EVAL_NAMES
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* @deprecated Deprecated in favor of av_expr_parse_and_eval().
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int av_parse_and_eval_expr(double *res, const char *s,
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const char * const *const_names, const double *const_values,
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const char * const *func1_names, double (* const *funcs1)(void *, double),
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const char * const *func2_names, double (* const *funcs2)(void *, double, double),
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void *opaque, int log_offset, void *log_ctx);
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* @deprecated Deprecated in favor of av_expr_parse().
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int av_parse_expr(AVExpr **expr, const char *s,
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const char * const *const_names,
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const char * const *func1_names, double (* const *funcs1)(void *, double),
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const char * const *func2_names, double (* const *funcs2)(void *, double, double),
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int log_offset, void *log_ctx);
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* @deprecated Deprecated in favor of av_expr_eval().
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double av_eval_expr(AVExpr *e, const double *const_values, void *opaque);
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* @deprecated Deprecated in favor of av_expr_free().
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void av_free_expr(AVExpr *e);
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#endif /* FF_API_OLD_EVAL_NAMES */
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95
* Parse the string in numstr and return its value as a double. If
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96
* the string is empty, contains only whitespaces, or does not contain