f_graphmonitor.c File Reference

#include "float.h"
#include "libavutil/pixdesc.h"
#include "libavutil/eval.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/timestamp.h"
#include "libavutil/xga_font_data.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	GraphMonitorContext

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

Enumerations
enum	{   MODE_QUEUE = 1 << 0, MODE_FCIN = 1 << 1, MODE_FCOUT = 1 << 2, MODE_PTS = 1 << 3,   MODE_TIME = 1 << 4, MODE_TB = 1 << 5, MODE_FMT = 1 << 6, MODE_SIZE = 1 << 7,   MODE_RATE = 1 << 8 }

Functions
static int	query_formats (AVFilterContext *ctx)
static void	clear_image (GraphMonitorContext *s, AVFrame *out, AVFilterLink *outlink)
static void	drawtext (AVFrame *pic, int x, int y, const char *txt, uint8_t *color)
static int	filter_have_queued (AVFilterContext *filter)
static void	draw_items (AVFilterContext *ctx, 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)

Variables
static const AVOption	graphmonitor_options []

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(GraphMonitorContext, x)

Definition at line 64 of file f_graphmonitor.c.

#define VF   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 65 of file f_graphmonitor.c.

Enumeration Type Documentation

anonymous enum

Enumerator
MODE_QUEUE
MODE_FCIN
MODE_FCOUT
MODE_PTS
MODE_TIME
MODE_TB
MODE_FMT
MODE_SIZE
MODE_RATE

Definition at line 52 of file f_graphmonitor.c.

Function Documentation

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 92 of file f_graphmonitor.c.

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

static

Definition at line 108 of file f_graphmonitor.c.

Referenced by create_frame().

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

static

Definition at line 117 of file f_graphmonitor.c.

Referenced by create_frame(), and draw_items().

static int filter_have_queued ( AVFilterContext *  filter )

static

Definition at line 147 of file f_graphmonitor.c.

Referenced by create_frame().

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

static

Definition at line 168 of file f_graphmonitor.c.

Referenced by create_frame().

static int create_frame ( AVFilterContext *  ctx, int64_t  pts  )

static

Definition at line 240 of file f_graphmonitor.c.

Referenced by activate().

static int activate ( AVFilterContext *  ctx )

static

Definition at line 307 of file f_graphmonitor.c.

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 341 of file f_graphmonitor.c.

Variable Documentation

const AVOption graphmonitor_options[]

static

Initial value:

= {
    { "size", "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, VF },
    { "s",    "set monitor size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, VF },
    { "opacity", "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
    { "o",       "set video opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=.9}, 0, 1, VF },
    { "mode", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
    { "m",    "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" },
        { "full",     NULL, 0, AV_OPT_TYPE_CONST, {.i64=0},   0, 0, VF, "mode" },
        { "compact",  NULL, 0, AV_OPT_TYPE_CONST, {.i64=1},   0, 0, VF, "mode" },
    { "flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
    { "f",     "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=MODE_QUEUE}, 0, INT_MAX, VF, "flags" },
        { "queue",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_QUEUE},   0, 0, VF, "flags" },
        { "frame_count_in",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCOUT},   0, 0, VF, "flags" },
        { "frame_count_out",  NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FCIN},    0, 0, VF, "flags" },
        { "pts",              NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_PTS},     0, 0, VF, "flags" },
        { "time",             NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TIME},    0, 0, VF, "flags" },
        { "timebase",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_TB},      0, 0, VF, "flags" },
        { "format",           NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_FMT},     0, 0, VF, "flags" },
        { "size",             NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_SIZE},    0, 0, VF, "flags" },
        { "rate",             NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_RATE},    0, 0, VF, "flags" },
    { "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
    { "r",    "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, VF },
    { NULL }
}

Definition at line 67 of file f_graphmonitor.c.