Option getting functions

Those functions get a value of the option with the given name from an object. More...

Functions

int av_opt_get (void *obj, const char *name, int search_flags, uint8_t **out_val)
int av_opt_get_int (void *obj, const char *name, int search_flags, int64_t *out_val)
int av_opt_get_double (void *obj, const char *name, int search_flags, double *out_val)
int av_opt_get_q (void *obj, const char *name, int search_flags, AVRational *out_val)

Detailed Description

Those functions get a value of the option with the given name from an object.

Parameters
[in]obja struct whose first element is a pointer to an AVClass.
[in]namename of the option to get.
[in]search_flagsflags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN is passed here, then the option may be found in a child of obj.
[out]out_valvalue of the option will be written here
Returns
0 on success, a negative error code otherwise

Function Documentation

int av_opt_get ( void obj,
const char *  name,
int  search_flags,
uint8_t **  out_val 
)
Note
the returned string will av_malloc()ed and must be av_free()ed by the caller

Definition at line 361 of file opt.c.

Referenced by ff_rtp_chain_mux_open().

int av_opt_get_double ( void obj,
const char *  name,
int  search_flags,
double *  out_val 
)

Definition at line 476 of file opt.c.

int av_opt_get_int ( void obj,
const char *  name,
int  search_flags,
int64_t *  out_val 
)

Definition at line 464 of file opt.c.

Referenced by av_opt_flag_is_set(), ff_rtp_get_payload_type(), and new_output_stream().

int av_opt_get_q ( void obj,
const char *  name,
int  search_flags,
AVRational out_val 
)

Definition at line 488 of file opt.c.