@@ -42,6 +42,7 @@ typedef struct AVExpr AVExpr;
* @param func2_names NULL terminated array of zero terminated strings of funcs2 identifiers
* @param funcs2 NULL terminated array of function pointers for functions which take 2 arguments
* @param opaque a pointer which will be passed to all functions from funcs1 and funcs2
+ * @param log_offset log level offset, can be used to silence error messages
* @param log_ctx parent logging context
* @return >= 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
@@ -65,6 +66,7 @@ int av_expr_parse_and_eval(double *res, const char *s,
* @param funcs1 NULL terminated array of function pointers for functions which take 1 argument
* @param func2_names NULL terminated array of zero terminated strings of funcs2 identifiers
* @param funcs2 NULL terminated array of function pointers for functions which take 2 arguments
+ * @param log_offset log level offset, can be used to silence error messages
* @param log_ctx parent logging context
* @return >= 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
@@ -78,6 +80,7 @@ int av_expr_parse(AVExpr **expr, const char *s,
/**
* Evaluate a previously parsed expression.
*
+ * @param e the AVExpr to evaluate
* @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
@@ -87,6 +90,7 @@ double av_expr_eval(AVExpr *e, const double *const_values, void *opaque);
/**
* Track the presence of variables and their number of occurrences in a parsed expression
*
+ * @param e the AVExpr to track variables in
* @param counter a zero-initialized array where the count of each variable will be stored
* @param size size of array
* @return 0 on success, a negative value indicates that no expression or array was passed
@@ -98,6 +102,7 @@ int av_expr_count_vars(AVExpr *e, unsigned *counter, int size);
* Track the presence of user provided functions and their number of occurrences
* in a parsed expression.
*
+ * @param e the AVExpr to track user provided functions in
* @param counter a zero-initialized array where the count of each function will be stored
* if you passed 5 functions with 2 arguments to av_expr_parse()
* then for arg=2 this will use upto 5 entries.