upipe/uref_program_flow.h header reference

Upipe program flow definition attributes for uref More

• upipe/uref.h
• upipe/uref_attr.h
• upipe/uref_flow.h

• struct uref * uref_program_flow_alloc_def(struct uref_mgr *mgr)
• int uref_program_flow_cmp_name(struct uref *uref1, struct uref *uref2)
• int uref_program_flow_copy_name(struct uref *uref, struct uref *uref_src)
• int uref_program_flow_delete_name(struct uref *uref)
• int uref_program_flow_get_name(struct uref *uref, const char **p)
• int uref_program_flow_match_name(struct uref *uref, const char *prefix)
• int uref_program_flow_set_name(struct uref *uref, const char *v)

Upipe program flow definition attributes for uref

This macro is declared in upipe/uref_program_flow.h source file, line 31.

This function is declared in upipe/uref_program_flow.h source file, line 56.

This function allocates a control packet to define a new program flow.

Parameter list:

• mgr: uref management structure

The return value is pointer to uref control packet, or NULL in case of error

This function is declared in upipe/uref_program_flow.h source file, line 48.

This function compares the name of the program attribute in two urefs.

Parameter list:

• uref1: pointer to the first uref
• uref2: pointer to the second uref

The return value is 0 if both attributes are absent or identical

This function is declared in upipe/uref_program_flow.h source file, line 48.

This function copies the name of the program attribute from an uref to another.

Parameter list:

• uref: pointer to the uref
• uref_src: pointer to the source uref

The return value is an error code

This function is declared in upipe/uref_program_flow.h source file, line 48.

This function deletes the name of the program attribute of a uref.

Parameter list:

• uref: pointer to the uref

The return value is an error code

This function is declared in upipe/uref_program_flow.h source file, line 48.

This function returns the name of the program attribute of a uref.

Parameter list:

• uref: pointer to the uref
• p: pointer to the retrieved value (modified during execution)

The return value is an error code

This function is declared in upipe/uref_program_flow.h source file, line 48.

This function compares the name of the program attribute to a given prefix.

Parameter list:

• uref: pointer to the uref
• prefix: prefix to match

The return value is an error code

This function is declared in upipe/uref_program_flow.h source file, line 48.

This function sets the name of the program attribute of a uref.

Parameter list:

• uref: pointer to the uref
• v: value to set

The return value is an error code

This macro is for internal use only.

This macro is declared in upipe/uref_program_flow.h source file, line 45.

flow definition prefix for programs