libavfilter/af_astreamsync.c File Reference

Stream (de)synchronization filter. More...

#include "libavutil/eval.h"
#include "avfilter.h"
#include "audio.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	AStreamSyncContext
struct	AStreamSyncContext::AStreamSyncContext::buf_queue
Defines
#define	QUEUE_SIZE   16
Enumerations
enum	var_name {   VAR_B1, VAR_B2, VAR_S1, VAR_S2,   VAR_T1, VAR_T2, VAR_NB, VAR_N,   VAR_T, VAR_S, VAR_VARS_NB, VAR_W,   VAR_H, VAR_CW, VAR_CH, VAR_HSUB,   VAR_VSUB, VARS_NB, VAR_IN_W, VAR_IW,   VAR_IN_H, VAR_IH, VAR_OUT_W, VAR_OW,   VAR_OUT_H, VAR_OH, VAR_A, VAR_SAR,   VAR_DAR, VAR_HSUB, VAR_VSUB, VAR_X,   VAR_Y, VAR_N, VAR_POS, VAR_T,   VAR_VARS_NB, VAR_DAR, VAR_HSUB, VAR_VSUB,   VAR_LINE_H, VAR_LH, VAR_MAIN_H, VAR_h,   VAR_H, VAR_MAIN_W, VAR_w, VAR_W,   VAR_MAX_GLYPH_A, VAR_ASCENT, VAR_MAX_GLYPH_D, VAR_DESCENT,   VAR_MAX_GLYPH_H, VAR_MAX_GLYPH_W, VAR_N, VAR_SAR,   VAR_T, VAR_TEXT_H, VAR_TH, VAR_TEXT_W,   VAR_TW, VAR_X, VAR_Y, VAR_VARS_NB,   VAR_W, VAR_H, VAR_VAL, VAR_MAXVAL,   VAR_MINVAL, VAR_NEGVAL, VAR_CLIPVAL, VAR_VARS_NB,   VAR_MAIN_W, VAR_MW, VAR_MAIN_H, VAR_MH,   VAR_OVERLAY_W, VAR_OW, VAR_OVERLAY_H, VAR_OH,   VAR_VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H,   VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H,   VAR_OH, VAR_X, VAR_Y, VAR_A,   VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB,   VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H,   VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H,   VAR_OH, VAR_A, VAR_SAR, VAR_DAR,   VAR_HSUB, VAR_VSUB, VARS_NB, VAR_TB,   VAR_PTS, VAR_START_PTS, VAR_PREV_PTS, VAR_PREV_SELECTED_PTS,   VAR_T, VAR_START_T, VAR_PREV_T, VAR_PREV_SELECTED_T,   VAR_PICT_TYPE, VAR_PICT_TYPE_I, VAR_PICT_TYPE_P, VAR_PICT_TYPE_B,   VAR_PICT_TYPE_S, VAR_PICT_TYPE_SI, VAR_PICT_TYPE_SP, VAR_PICT_TYPE_BI,   VAR_INTERLACE_TYPE, VAR_INTERLACE_TYPE_P, VAR_INTERLACE_TYPE_T, VAR_INTERLACE_TYPE_B,   VAR_N, VAR_SELECTED_N, VAR_PREV_SELECTED_N, VAR_KEY,   VAR_POS, VAR_VARS_NB, VAR_INTERLACED, VAR_N,   VAR_POS, VAR_PREV_INPTS, VAR_PREV_OUTPTS, VAR_PTS,   VAR_STARTPTS, VAR_TB, VAR_VARS_NB, VAR_AVTB,   VAR_INTB, VAR_VARS_NB, VAR_X, VAR_Y,   VAR_W, VAR_H, VAR_TIME, VAR_SPEED,   VAR_TEMPO, VAR_ORDER, VAR_PATTERN, VAR_ROW,   VAR_VARS_NB }
Functions
static av_cold int	init (AVFilterContext *ctx, const char *args0, void *opaque)
static int	query_formats (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static void	send_out (AVFilterContext *ctx, int out_id)
static void	send_next (AVFilterContext *ctx)
static int	request_frame (AVFilterLink *outlink)
static void	filter_samples (AVFilterLink *inlink, AVFilterBufferRef *insamples)
Variables
static const char *const	var_names []
static const char *	default_expr = "t1-t2"
AVFilter	avfilter_af_astreamsync

---

Detailed Description

Stream (de)synchronization filter.

Definition in file af_astreamsync.c.

---

Define Documentation

#define QUEUE_SIZE   16

Definition at line 31 of file af_astreamsync.c.

---

Enumeration Type Documentation

enum var_name

Enumerator:

VAR_B1
VAR_B2
VAR_S1
VAR_S2
VAR_T1
VAR_T2
VAR_NB
VAR_N
VAR_T
VAR_S
VAR_VARS_NB
VAR_W
VAR_H
VAR_CW
VAR_CH
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_X
VAR_Y
VAR_N
VAR_POS
VAR_T
VAR_VARS_NB
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_LINE_H
VAR_LH
VAR_MAIN_H
VAR_h
VAR_H
VAR_MAIN_W
VAR_w
VAR_W
VAR_MAX_GLYPH_A
VAR_ASCENT
VAR_MAX_GLYPH_D
VAR_DESCENT
VAR_MAX_GLYPH_H
VAR_MAX_GLYPH_W
VAR_N
VAR_SAR
VAR_T
VAR_TEXT_H
VAR_TH
VAR_TEXT_W
VAR_TW
VAR_X
VAR_Y
VAR_VARS_NB
VAR_W
VAR_H
VAR_VAL
VAR_MAXVAL
VAR_MINVAL
VAR_NEGVAL
VAR_CLIPVAL
VAR_VARS_NB
VAR_MAIN_W
VAR_MW
VAR_MAIN_H
VAR_MH
VAR_OVERLAY_W
VAR_OW
VAR_OVERLAY_H
VAR_OH
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_X
VAR_Y
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_TB
VAR_PTS
VAR_START_PTS
VAR_PREV_PTS
VAR_PREV_SELECTED_PTS
VAR_T
VAR_START_T
VAR_PREV_T
VAR_PREV_SELECTED_T
VAR_PICT_TYPE
VAR_PICT_TYPE_I
VAR_PICT_TYPE_P
VAR_PICT_TYPE_B
VAR_PICT_TYPE_S
VAR_PICT_TYPE_SI
VAR_PICT_TYPE_SP
VAR_PICT_TYPE_BI
VAR_INTERLACE_TYPE
VAR_INTERLACE_TYPE_P
VAR_INTERLACE_TYPE_T
VAR_INTERLACE_TYPE_B
VAR_N
VAR_SELECTED_N
VAR_PREV_SELECTED_N
VAR_KEY
VAR_POS
VAR_VARS_NB
VAR_INTERLACED
VAR_N
VAR_POS
VAR_PREV_INPTS
VAR_PREV_OUTPTS
VAR_PTS
VAR_STARTPTS
VAR_TB
VAR_VARS_NB
VAR_AVTB
VAR_INTB
VAR_VARS_NB
VAR_X
VAR_Y
VAR_W
VAR_H
VAR_TIME
VAR_SPEED
VAR_TEMPO
VAR_ORDER
VAR_PATTERN
VAR_ROW
VAR_VARS_NB

Definition at line 40 of file af_astreamsync.c.

---

Function Documentation

static int config_output

(

AVFilterLink *

outlink

)

[static]

Definition at line 97 of file af_astreamsync.c.

static void filter_samples	(	AVFilterLink *	inlink,
		AVFilterBufferRef *	insamples
	)			[static]

Definition at line 165 of file af_astreamsync.c.

static av_cold int init	(	AVFilterContext *	ctx,
		const char *	args0,
		void *	opaque
	)			[static]

Definition at line 63 of file af_astreamsync.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 80 of file af_astreamsync.c.

static int request_frame

(

AVFilterLink *

outlink

)

[static]

Definition at line 145 of file af_astreamsync.c.

static void send_next

(

AVFilterContext *

ctx

)

[static]

Definition at line 128 of file af_astreamsync.c.

Referenced by filter_samples(), and request_frame().

static void send_out	(	AVFilterContext *	ctx,
		int	out_id
	)			[static]

Definition at line 107 of file af_astreamsync.c.

Referenced by send_next().

---

Variable Documentation

AVFilter avfilter_af_astreamsync

Definition at line 177 of file af_astreamsync.c.

const char* default_expr = "t1-t2" [static]

Definition at line 61 of file af_astreamsync.c.

Referenced by init().

const char* const var_names[] [static]

Initial value:

 {
    "b1", "b2",
    "s1", "s2",
    "t1", "t2",
    NULL
}

Definition at line 33 of file af_astreamsync.c.

Referenced by config_input(), config_input_overlay(), config_output_props(), config_props(), init(), and modplug_read_header().