FFmpeg: FilterLinkInternal Struct Reference

FFmpeg

#include <avfilter_internal.h>

Public Types
enum	{ AVLINK_UNINIT = 0, AVLINK_STARTINIT, AVLINK_INIT }
	stage of the initialization of the link properties (dimensions, etc) More...

Data Fields
FilterLink	l

struct FFFramePool *	frame_pool

FFFrameQueue	fifo
	Queue of frames waiting to be filtered. More...

int	frame_blocked_in
	If set, the source filter can not generate a frame as is. More...

int	status_in
	Link input status. More...

int64_t	status_in_pts
	Timestamp of the input status change. More...

int	status_out
	Link output status. More...

int	frame_wanted_out
	True if a frame is currently wanted on the output of this filter. More...

int	age_index
	Index in the age array. More...

enum FilterLinkInternal:: { ... }	init_state
	stage of the initialization of the link properties (dimensions, etc) More...

Detailed Description

Definition at line 34 of file avfilter_internal.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

stage of the initialization of the link properties (dimensions, etc)

Enumerator
AVLINK_UNINIT	not started
AVLINK_STARTINIT	started, but incomplete
AVLINK_INIT	complete

Definition at line 83 of file avfilter_internal.h.

Field Documentation

◆ l

FilterLink FilterLinkInternal::l

◆ frame_pool

struct FFFramePool* FilterLinkInternal::frame_pool

Definition at line 37 of file avfilter_internal.h.

Referenced by ff_default_get_audio_buffer(), ff_default_get_video_buffer2(), and link_free().

◆ fifo

FFFrameQueue FilterLinkInternal::fifo

Queue of frames waiting to be filtered.

Definition at line 42 of file avfilter_internal.h.

Referenced by activate(), avfilter_link(), ff_filter_frame(), ff_inlink_acknowledge_status(), ff_inlink_check_available_frame(), ff_inlink_check_available_samples(), ff_inlink_consume_frame(), ff_inlink_consume_samples(), ff_inlink_peek_frame(), ff_inlink_queued_frames(), ff_inlink_queued_samples(), ff_inlink_set_status(), ff_request_frame(), filter_activate_default(), filter_frame_to_filter(), link_free(), and take_samples().

◆ frame_blocked_in

int FilterLinkInternal::frame_blocked_in

If set, the source filter can not generate a frame as is.

The goal is to avoid repeatedly calling the request_frame() method on the same link.

Definition at line 49 of file avfilter_internal.h.

Referenced by avfilter_graph_request_oldest(), ff_avfilter_link_set_in_status(), ff_filter_frame(), ff_inlink_set_status(), filter_activate_default(), filter_unblock(), and request_frame_to_filter().

◆ status_in

int FilterLinkInternal::status_in

Link input status.

If not zero, all attempts of filter_frame will fail with the corresponding code.

Definition at line 56 of file avfilter_internal.h.

Referenced by avfilter_graph_request_oldest(), ff_avfilter_link_set_in_status(), ff_inlink_acknowledge_status(), ff_inlink_check_available_samples(), ff_inlink_consume_samples(), ff_inlink_set_status(), ff_outlink_get_status(), ff_request_frame(), filter_activate_default(), forward_status_change(), and request_frame_to_filter().

◆ status_in_pts

int64_t FilterLinkInternal::status_in_pts

Timestamp of the input status change.

Definition at line 61 of file avfilter_internal.h.

Referenced by ff_avfilter_link_set_in_status(), ff_inlink_acknowledge_status(), ff_request_frame(), forward_status_change(), and guess_status_pts().

◆ status_out

int FilterLinkInternal::status_out

Link output status.

If not zero, all attempts of request_frame will fail with the corresponding code.

Definition at line 68 of file avfilter_internal.h.

Referenced by ff_inlink_acknowledge_status(), ff_inlink_set_status(), ff_inoutlink_check_flow(), ff_request_frame(), filter_activate_default(), forward_status_change(), guess_status_pts(), and link_set_out_status().

◆ frame_wanted_out

int FilterLinkInternal::frame_wanted_out

True if a frame is currently wanted on the output of this filter.

Set when ff_request_frame() is called by the output, cleared when a frame is filtered.

Definition at line 75 of file avfilter_internal.h.

Referenced by avfilter_graph_request_oldest(), ff_avfilter_link_set_in_status(), ff_filter_frame(), ff_inlink_set_status(), ff_outlink_frame_wanted(), ff_request_frame(), filter_activate_default(), get_frame_internal(), and link_set_out_status().

◆ age_index

int FilterLinkInternal::age_index

Index in the age array.

Definition at line 80 of file avfilter_internal.h.

Referenced by avfilter_graph_request_oldest(), ff_avfilter_graph_update_heap(), graph_config_pointers(), heap_bubble_down(), heap_bubble_up(), and update_link_current_pts().

◆ init_state

enum { ... } FilterLinkInternal::init_state

stage of the initialization of the link properties (dimensions, etc)

Referenced by ff_filter_config_links().

The documentation for this struct was generated from the following file:

libavfilter/avfilter_internal.h