vf_showinfo.c File Reference

#include <inttypes.h>
#include "libavutil/adler32.h"
#include "libavutil/display.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/spherical.h"
#include "libavutil/stereo3d.h"
#include "libavutil/timestamp.h"
#include "libavutil/timecode.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ShowInfoContext

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

Functions
	AVFILTER_DEFINE_CLASS (showinfo)
static void	dump_spherical (AVFilterContext *ctx, AVFrame *frame, AVFrameSideData *sd)
static void	dump_stereo3d (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_roi (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_color_property (AVFilterContext *ctx, AVFrame *frame)
static void	update_sample_stats (const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
static int	filter_frame (AVFilterLink *inlink, AVFrame *frame)
static int	config_props (AVFilterContext *ctx, AVFilterLink *link, int is_out)
static int	config_props_in (AVFilterLink *link)
static int	config_props_out (AVFilterLink *link)

Variables
static const AVOption	showinfo_options []
static const AVFilterPad	avfilter_vf_showinfo_inputs []
static const AVFilterPad	avfilter_vf_showinfo_outputs []
AVFilter	ff_vf_showinfo

Detailed Description

filter for showing textual video frame information

Definition in file vf_showinfo.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(ShowInfoContext, x)

Definition at line 47 of file vf_showinfo.c.

VF

#define VF   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 48 of file vf_showinfo.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

showinfo

)

dump_spherical()

static void dump_spherical ( AVFilterContext *  ctx, AVFrame *  frame, AVFrameSideData *  sd  )

static

Definition at line 57 of file vf_showinfo.c.

Referenced by filter_frame().

dump_stereo3d()

static void dump_stereo3d ( AVFilterContext *  ctx, AVFrameSideData *  sd  )

static

Definition at line 96 of file vf_showinfo.c.

Referenced by filter_frame().

dump_roi()

static void dump_roi ( AVFilterContext *  ctx, AVFrameSideData *  sd  )

static

Definition at line 114 of file vf_showinfo.c.

Referenced by filter_frame().

dump_color_property()

static void dump_color_property ( AVFilterContext *  ctx, AVFrame *  frame  )

static

Definition at line 136 of file vf_showinfo.c.

Referenced by filter_frame().

update_sample_stats()

static void update_sample_stats ( const uint8_t *  src, int  len, int64_t *  sum, int64_t *  sum2  )

static

Definition at line 169 of file vf_showinfo.c.

Referenced by filter_frame().

filter_frame()

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  frame  )

static

Definition at line 179 of file vf_showinfo.c.

config_props()

static int config_props ( AVFilterContext *  ctx, AVFilterLink *  link, int  is_out  )

static

Definition at line 288 of file vf_showinfo.c.

Referenced by config_props_in(), and config_props_out().

config_props_in()

static int config_props_in ( AVFilterLink *  link )

static

Definition at line 299 of file vf_showinfo.c.

config_props_out()

static int config_props_out ( AVFilterLink *  link )

static

Definition at line 305 of file vf_showinfo.c.

Variable Documentation

showinfo_options

const AVOption showinfo_options[]

static

Initial value:

= {
    { "checksum", "calculate checksums", OFFSET(calculate_checksums), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, VF },
    { NULL }
}

Definition at line 50 of file vf_showinfo.c.

avfilter_vf_showinfo_inputs

const AVFilterPad avfilter_vf_showinfo_inputs[]

static

Initial value:

= {
    {
        .name             = "default",
        .type             = AVMEDIA_TYPE_VIDEO,
        .filter_frame     = filter_frame,
        .config_props     = config_props_in,
    },
    { NULL }
}

Definition at line 311 of file vf_showinfo.c.

avfilter_vf_showinfo_outputs

const AVFilterPad avfilter_vf_showinfo_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_props_out,
    },
    { NULL }
}

Definition at line 321 of file vf_showinfo.c.

ff_vf_showinfo

AVFilter ff_vf_showinfo

Initial value:

= {
    .name        = "showinfo",
    .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
    .inputs      = avfilter_vf_showinfo_inputs,
    .outputs     = avfilter_vf_showinfo_outputs,
    .priv_size   = sizeof(ShowInfoContext),
    .priv_class  = &showinfo_class,
}

Definition at line 330 of file vf_showinfo.c.