FFmpeg
Data Structures | Macros | Functions | Variables
vf_showinfo.c File Reference

filter for showing textual video frame information More...

#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

#define OFFSET (   x)    offsetof(ShowInfoContext, x)

Definition at line 47 of file vf_showinfo.c.

Definition at line 48 of file vf_showinfo.c.

Function Documentation

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

Definition at line 57 of file vf_showinfo.c.

Referenced by filter_frame().

static void dump_stereo3d ( AVFilterContext ctx,
AVFrameSideData sd 
)
static

Definition at line 96 of file vf_showinfo.c.

Referenced by filter_frame().

static void dump_roi ( AVFilterContext ctx,
AVFrameSideData sd 
)
static

Definition at line 114 of file vf_showinfo.c.

Referenced by filter_frame().

static void dump_color_property ( AVFilterContext ctx,
AVFrame frame 
)
static

Definition at line 136 of file vf_showinfo.c.

Referenced by filter_frame().

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().

static int filter_frame ( AVFilterLink inlink,
AVFrame frame 
)
static

Definition at line 179 of file vf_showinfo.c.

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().

static int config_props_in ( AVFilterLink link)
static

Definition at line 299 of file vf_showinfo.c.

static int config_props_out ( AVFilterLink link)
static

Definition at line 305 of file vf_showinfo.c.

Variable Documentation

const AVOption showinfo_options[]
static
Initial value:
= {
{ "checksum", "calculate checksums", OFFSET(calculate_checksums), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, VF },
{ NULL }
}
#define NULL
Definition: coverity.c:32
#define OFFSET(x)
Definition: vf_showinfo.c:47
#define VF
Definition: vf_showinfo.c:48

Definition at line 50 of file vf_showinfo.c.

const AVFilterPad avfilter_vf_showinfo_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
.config_props = config_props_in,
},
{ NULL }
}
#define NULL
Definition: coverity.c:32
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
Definition: vf_showinfo.c:179
static int config_props_in(AVFilterLink *link)
Definition: vf_showinfo.c:299

Definition at line 311 of file vf_showinfo.c.

const AVFilterPad avfilter_vf_showinfo_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_props_out,
},
{ NULL }
}
#define NULL
Definition: coverity.c:32
static int config_props_out(AVFilterLink *link)
Definition: vf_showinfo.c:305

Definition at line 321 of file vf_showinfo.c.

AVFilter ff_vf_showinfo
Initial value:
= {
.name = "showinfo",
.description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
.priv_size = sizeof(ShowInfoContext),
.priv_class = &showinfo_class,
}
static const AVFilterPad avfilter_vf_showinfo_inputs[]
Definition: vf_showinfo.c:311
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static const AVFilterPad avfilter_vf_showinfo_outputs[]
Definition: vf_showinfo.c:321

Definition at line 330 of file vf_showinfo.c.