upipe/uprobe_select_flows.h header reference

probe catching need_update events and creating subpipes More

• upipe/ubase.h
• upipe/uprobe.h

• enum uprobe_selflow_type

• struct uprobe * uprobe_selflow_alloc(struct uprobe *next, struct uprobe *subprobe, enum uprobe_selflow_type type, const char *flows)
• struct uprobe * uprobe_selflow_alloc_va(struct uprobe *next, struct uprobe *subprobe, enum uprobe_selflow_type type, const char *format, ...)
• void uprobe_selflow_get(struct uprobe *uprobe, const char **flows_p)
• int uprobe_selflow_set(struct uprobe *uprobe, const char *flows)
• int uprobe_selflow_set_va(struct uprobe *uprobe, const char *format, ...)

The probe catches the need_update events, checks whether it is necessary to output the flow, and allocates a subpipe.

In case of a change of configuration, or if flows are added or deleted, the selections are reconsidered.

This macro is declared in upipe/uprobe_select_flows.h source file, line 37.

This function is declared in upipe/uprobe_select_flows.h source file, line 71.

This function allocates a new uprobe_selflow structure.

Parameter list:

• next: next probe to test if this one doesn't catch the event
• subprobe: probe to set on flow subpipes
• type: type of flows to filter
• flows: comma-separated list of flows or attribute/value pairs (lang=eng or name=ABC) to select, or "auto" to automatically select the first flow, or "all"

The return value is pointer to uprobe, or NULL in case of error

This function is declared in upipe/uprobe_select_flows.h source file, line 86.

This function allocates a new uprobe_selflow structure, with printf-style syntax.

Parameter list:

• next: next probe to test if this one doesn't catch the event
• subprobe: probe to set on flow subpipes
• type: type of flows to filter
• format: printf-style format for the flows, followed by optional arguments

The return value is pointer to uprobe, or NULL in case of error

This function is declared in upipe/uprobe_select_flows.h source file, line 94.

This function returns the flows selected by this probe.

Parameter list:

• uprobe: pointer to probe
• flows_p: filled in with a comma-separated list of flows to select, terminated by a comma, or "all", or "auto" if no flow has been found yet

This function is declared in upipe/uprobe_select_flows.h source file, line 104.

This function changes the flows selected by this probe.

Parameter list:

• uprobe: pointer to probe
• flows: comma-separated list of flows or attribute/value pairs (lang=eng or name=ABC) to select, or "auto" to automatically select the first flow, or "all"

The return value is an error code

This function is declared in upipe/uprobe_select_flows.h source file, line 114.

This function changes the flows selected by this probe, with printf-style syntax.

Parameter list:

• uprobe: pointer to probe
• format: format of the syntax, followed by optional arguments

The return value is an error code

This enum is declared in upipe/uprobe_select_flows.h source file, line 47.

This enum defines types of flows to select from.