f_graphmonitor.c File Reference

#include "config_components.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/timestamp.h"
#include "libavutil/xga_font_data.h"
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	CacheItem
struct	GraphMonitorContext

Macros
#define	OFFSET(x)   offsetof(GraphMonitorContext, x)
#define	VF   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	VFR   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Enumerations
enum	{   MODE_FULL = 0, MODE_COMPACT = 1, MODE_NOZERO = 2, MODE_NOEOF = 4,   MODE_NODISABLED = 8, MODE_MAX = 15 }
enum	{   FLAG_NONE = 0 << 0, FLAG_QUEUE = 1 << 0, FLAG_FCIN = 1 << 1, FLAG_FCOUT = 1 << 2,   FLAG_PTS = 1 << 3, FLAG_TIME = 1 << 4, FLAG_TB = 1 << 5, FLAG_FMT = 1 << 6,   FLAG_SIZE = 1 << 7, FLAG_RATE = 1 << 8, FLAG_EOF = 1 << 9, FLAG_SCIN = 1 << 10,   FLAG_SCOUT = 1 << 11, FLAG_PTS_DELTA = 1 << 12, FLAG_TIME_DELTA = 1 << 13, FLAG_FC_DELTA = 1 << 14,   FLAG_SC_DELTA = 1 << 15, FLAG_DISABLED = 1 << 16 }

Functions
static av_cold int	init (AVFilterContext *ctx)
static int	query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
static void	clear_image (GraphMonitorContext *s, AVFrame *out, AVFilterLink *outlink)
static void	drawtext (AVFrame *pic, int x, int y, const char *txt, const int len, uint8_t *color)
static int	filter_have_eof (AVFilterContext *filter)
static int	filter_have_queued (AVFilterContext *filter)
static int	draw_items (AVFilterContext *ctx, AVFilterContext *filter, AVFrame *out, int xpos, int ypos, AVFilterLink *l, size_t frames)
static int	create_frame (AVFilterContext *ctx, int64_t pts)
static int	activate (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static av_cold void	uninit (AVFilterContext *ctx)
	AVFILTER_DEFINE_CLASS_EXT (graphmonitor, "(a)graphmonitor", graphmonitor_options)

Variables
static const AVOption	graphmonitor_options []
static const AVFilterPad	graphmonitor_outputs []

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(GraphMonitorContext, x)

Definition at line 95 of file f_graphmonitor.c.

VF

#define VF   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 96 of file f_graphmonitor.c.

VFR

#define VFR   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 97 of file f_graphmonitor.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
MODE_FULL
MODE_COMPACT
MODE_NOZERO
MODE_NOEOF
MODE_NODISABLED
MODE_MAX

Definition at line 65 of file f_graphmonitor.c.

anonymous enum

anonymous enum

Enumerator
FLAG_NONE
FLAG_QUEUE
FLAG_FCIN
FLAG_FCOUT
FLAG_PTS
FLAG_TIME
FLAG_TB
FLAG_FMT
FLAG_SIZE
FLAG_RATE
FLAG_EOF
FLAG_SCIN
FLAG_SCOUT
FLAG_PTS_DELTA
FLAG_TIME_DELTA
FLAG_FC_DELTA
FLAG_SC_DELTA
FLAG_DISABLED

Definition at line 74 of file f_graphmonitor.c.

Function Documentation

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 137 of file f_graphmonitor.c.

query_formats()

static int query_formats ( const AVFilterContext *  ctx, AVFilterFormatsConfig **  cfg_in, AVFilterFormatsConfig **  cfg_out  )

static

Definition at line 149 of file f_graphmonitor.c.

clear_image()

static void clear_image ( GraphMonitorContext *  s, AVFrame *  out, AVFilterLink *  outlink  )

static

Definition at line 166 of file f_graphmonitor.c.

Referenced by create_frame().

drawtext()

static void drawtext ( AVFrame *  pic, int  x, int  y, const char *  txt, const int  len, uint8_t *  color  )

static

Definition at line 182 of file f_graphmonitor.c.

Referenced by create_frame(), and draw_items().

filter_have_eof()

static int filter_have_eof ( AVFilterContext *  filter )

static

Definition at line 213 of file f_graphmonitor.c.

Referenced by create_frame().

filter_have_queued()

static int filter_have_queued ( AVFilterContext *  filter )

static

Definition at line 232 of file f_graphmonitor.c.

Referenced by create_frame().

draw_items()

static int draw_items ( AVFilterContext *  ctx, AVFilterContext *  filter, AVFrame *  out, int  xpos, int  ypos, AVFilterLink *  l, size_t  frames  )

static

Definition at line 253 of file f_graphmonitor.c.

Referenced by create_frame().

create_frame()

static int create_frame ( AVFilterContext *  ctx, int64_t  pts  )

static

Definition at line 386 of file f_graphmonitor.c.

Referenced by activate().

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 482 of file f_graphmonitor.c.

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 539 of file f_graphmonitor.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 561 of file f_graphmonitor.c.

AVFILTER_DEFINE_CLASS_EXT()

AVFILTER_DEFINE_CLASS_EXT	(	graphmonitor	,
		"(a)graphmonitor"	,
		graphmonitor_options
	)

Variable Documentation

graphmonitor_options

const AVOption graphmonitor_options[]

static

Definition at line 99 of file f_graphmonitor.c.

graphmonitor_outputs

const AVFilterPad graphmonitor_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_output,
    },
}

Definition at line 571 of file f_graphmonitor.c.