vf_showinfo.c File Reference

filter for showing textual video frame information More...

#include <ctype.h>
#include <inttypes.h>
#include "libavutil/bswap.h"
#include "libavutil/adler32.h"
#include "libavutil/display.h"
#include "libavutil/dovi_meta.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/film_grain_params.h"
#include "libavutil/gain_map.h"
#include "libavutil/hdr_dynamic_metadata.h"
#include "libavutil/hdr_dynamic_vivid_metadata.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/spherical.h"
#include "libavutil/stereo3d.h"
#include "libavutil/tdrdi.h"
#include "libavutil/timestamp.h"
#include "libavutil/timecode.h"
#include "libavutil/mastering_display_metadata.h"
#include "libavutil/video_enc_params.h"
#include "libavutil/detection_bbox.h"
#include "libavutil/ambient_viewing_environment.h"
#include "libavutil/uuid.h"
#include "avfilter.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ShowInfoContext

Macros
#define	OFFSET(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, const AVFrameSideData *sd)
static void	dump_stereo3d (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_s12m_timecode (AVFilterContext *ctx, AVFilterLink *inlink, const AVFrameSideData *sd)
static void	dump_roi (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_tdrdi (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_detection_bbox (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_mastering_display (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_dynamic_hdr_plus (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_dynamic_hdr_vivid (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_content_light_metadata (AVFilterContext *ctx, AVFrameSideData *sd)
static void	dump_video_enc_params (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_sei_unregistered_metadata (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_sei_film_grain_params_metadata (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_dovi_metadata (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_gain_map_params (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_ambient_viewing_environment (AVFilterContext *ctx, const AVFrameSideData *sd)
static void	dump_color_property (AVFilterContext *ctx, AVFrame *frame)
static void	update_sample_stats_8 (const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
static void	update_sample_stats_16 (int be, const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
static void	update_sample_stats (int depth, int be, 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 []
const FFFilter	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

)

Value:

offsetof(ShowInfoContext, x)

Definition at line 61 of file vf_showinfo.c.

VF

#define VF   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 62 of file vf_showinfo.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

showinfo

)

dump_spherical()

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

static

Definition at line 73 of file vf_showinfo.c.

Referenced by filter_frame().

dump_stereo3d()

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

static

Definition at line 98 of file vf_showinfo.c.

Referenced by filter_frame().

dump_s12m_timecode()

static void dump_s12m_timecode ( AVFilterContext * ctx, AVFilterLink * inlink, const AVFrameSideData * sd )

static

Definition at line 118 of file vf_showinfo.c.

Referenced by filter_frame().

dump_roi()

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

static

Definition at line 135 of file vf_showinfo.c.

Referenced by filter_frame().

dump_tdrdi()

static void dump_tdrdi ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 156 of file vf_showinfo.c.

Referenced by filter_frame().

dump_detection_bbox()

static void dump_detection_bbox ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 164 of file vf_showinfo.c.

Referenced by filter_frame().

dump_mastering_display()

static void dump_mastering_display ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 188 of file vf_showinfo.c.

Referenced by filter_frame().

dump_dynamic_hdr_plus()

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

static

Definition at line 213 of file vf_showinfo.c.

Referenced by filter_frame().

dump_dynamic_hdr_vivid()

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

static

Definition at line 312 of file vf_showinfo.c.

Referenced by filter_frame().

dump_content_light_metadata()

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

static

Definition at line 395 of file vf_showinfo.c.

Referenced by filter_frame().

dump_video_enc_params()

static void dump_video_enc_params ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 404 of file vf_showinfo.c.

Referenced by filter_frame().

dump_sei_unregistered_metadata()

static void dump_sei_unregistered_metadata ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 423 of file vf_showinfo.c.

Referenced by filter_frame().

dump_sei_film_grain_params_metadata()

static void dump_sei_film_grain_params_metadata ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 447 of file vf_showinfo.c.

Referenced by filter_frame().

dump_dovi_metadata()

static void dump_dovi_metadata ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 556 of file vf_showinfo.c.

Referenced by filter_frame().

dump_gain_map_params()

static void dump_gain_map_params ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 659 of file vf_showinfo.c.

Referenced by filter_frame().

dump_ambient_viewing_environment()

static void dump_ambient_viewing_environment ( AVFilterContext * ctx, const AVFrameSideData * sd )

static

Definition at line 685 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 696 of file vf_showinfo.c.

Referenced by filter_frame().

update_sample_stats_8()

static void update_sample_stats_8 ( const uint8_t * src, int len, int64_t * sum, int64_t * sum2 )

static

Definition at line 729 of file vf_showinfo.c.

Referenced by update_sample_stats().

update_sample_stats_16()

static void update_sample_stats_16 ( int be, const uint8_t * src, int len, int64_t * sum, int64_t * sum2 )

static

Definition at line 739 of file vf_showinfo.c.

Referenced by update_sample_stats().

update_sample_stats()

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

static

Definition at line 755 of file vf_showinfo.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 763 of file vf_showinfo.c.

config_props()

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

static

Definition at line 929 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 941 of file vf_showinfo.c.

config_props_out()

static int config_props_out ( AVFilterLink * link )

static

Definition at line 947 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 },
    { "udu_sei_as_ascii", "try to print user data unregistered SEI as ascii character when possible",
        OFFSET(udu_sei_as_ascii), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VF },
    { NULL }
}

Definition at line 64 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,
    },
}

Definition at line 953 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,
    },
}

Definition at line 962 of file vf_showinfo.c.

ff_vf_showinfo

const FFFilter ff_vf_showinfo

Initial value:

= {
    .p.name        = "showinfo",
    .p.description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
    .p.priv_class  = &showinfo_class,
    .p.flags       = AVFILTER_FLAG_METADATA_ONLY,
    FILTER_INPUTS(avfilter_vf_showinfo_inputs),
    FILTER_OUTPUTS(avfilter_vf_showinfo_outputs),
    .priv_size   = sizeof(ShowInfoContext),
}

Definition at line 970 of file vf_showinfo.c.