vf_frei0r.c File Reference

#include <frei0r.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "config.h"
#include "compat/w32dlfcn.h"
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/getenv_utf8.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	Frei0rContext

Macros
#define	OFFSET(x)   offsetof(Frei0rContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
#define	TFLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Typedefs
typedef f0r_instance_t(*	f0r_construct_f) (unsigned int width, unsigned int height)
typedef void(*	f0r_destruct_f) (f0r_instance_t instance)
typedef void(*	f0r_deinit_f) (void)
typedef int(*	f0r_init_f) (void)
typedef void(*	f0r_get_plugin_info_f) (f0r_plugin_info_t *info)
typedef void(*	f0r_get_param_info_f) (f0r_param_info_t *info, int param_index)
typedef void(*	f0r_update_f) (f0r_instance_t instance, double time, const uint32_t *inframe, uint32_t *outframe)
typedef void(*	f0r_update2_f) (f0r_instance_t instance, double time, const uint32_t *inframe1, const uint32_t *inframe2, const uint32_t *inframe3, uint32_t *outframe)
typedef void(*	f0r_set_param_value_f) (f0r_instance_t instance, f0r_param_t param, int param_index)
typedef void(*	f0r_get_param_value_f) (f0r_instance_t instance, f0r_param_t param, int param_index)

Functions
static void *	load_sym (AVFilterContext *ctx, const char *sym_name)
static int	set_param (AVFilterContext *ctx, f0r_param_info_t info, int index, char *param)
static int	set_params (AVFilterContext *ctx, const char *params)
static int	load_path (AVFilterContext *ctx, void **handle_ptr, const char *prefix, const char *name)
static av_cold int	frei0r_init (AVFilterContext *ctx, const char *dl_name, int type)
static av_cold int	filter_init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
static int	config_input_props (AVFilterLink *inlink)
static int	query_formats (AVFilterContext *ctx)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
	AVFILTER_DEFINE_CLASS (frei0r)
static av_cold int	source_init (AVFilterContext *ctx)
static int	source_config_props (AVFilterLink *outlink)
static int	source_request_frame (AVFilterLink *outlink)
	AVFILTER_DEFINE_CLASS (frei0r_src)

Variables
static const AVOption	frei0r_options []
static const AVFilterPad	avfilter_vf_frei0r_inputs []
const AVFilter	ff_vf_frei0r
static const AVOption	frei0r_src_options []
static const AVFilterPad	avfilter_vsrc_frei0r_src_outputs []
const AVFilter	ff_vsrc_frei0r_src

Detailed Description

frei0r wrapper

Definition in file vf_frei0r.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(Frei0rContext, x)

Definition at line 406 of file vf_frei0r.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 407 of file vf_frei0r.c.

TFLAGS

#define TFLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 408 of file vf_frei0r.c.

Typedef Documentation

f0r_construct_f

typedef f0r_instance_t(* f0r_construct_f) (unsigned int width, unsigned int height)

Definition at line 46 of file vf_frei0r.c.

f0r_destruct_f

typedef void(* f0r_destruct_f) (f0r_instance_t instance)

Definition at line 47 of file vf_frei0r.c.

f0r_deinit_f

typedef void(* f0r_deinit_f) (void)

Definition at line 48 of file vf_frei0r.c.

f0r_init_f

typedef int(* f0r_init_f) (void)

Definition at line 49 of file vf_frei0r.c.

f0r_get_plugin_info_f

typedef void(* f0r_get_plugin_info_f) (f0r_plugin_info_t *info)

Definition at line 50 of file vf_frei0r.c.

f0r_get_param_info_f

typedef void(* f0r_get_param_info_f) (f0r_param_info_t *info, int param_index)

Definition at line 51 of file vf_frei0r.c.

f0r_update_f

typedef void(* f0r_update_f) (f0r_instance_t instance, double time, const uint32_t *inframe, uint32_t *outframe)

Definition at line 52 of file vf_frei0r.c.

f0r_update2_f

typedef void(* f0r_update2_f) (f0r_instance_t instance, double time, const uint32_t *inframe1, const uint32_t *inframe2, const uint32_t *inframe3, uint32_t *outframe)

Definition at line 53 of file vf_frei0r.c.

f0r_set_param_value_f

typedef void(* f0r_set_param_value_f) (f0r_instance_t instance, f0r_param_t param, int param_index)

Definition at line 54 of file vf_frei0r.c.

f0r_get_param_value_f

typedef void(* f0r_get_param_value_f) (f0r_instance_t instance, f0r_param_t param, int param_index)

Definition at line 55 of file vf_frei0r.c.

Function Documentation

load_sym()

static void* load_sym ( AVFilterContext *  ctx, const char *  sym_name  )

static

Definition at line 81 of file vf_frei0r.c.

Referenced by frei0r_init().

set_param()

static int set_param ( AVFilterContext *  ctx, f0r_param_info_t  info, int  index, char *  param  )

static

Definition at line 90 of file vf_frei0r.c.

Referenced by set_params().

set_params()

static int set_params ( AVFilterContext *  ctx, const char *  params  )

static

Definition at line 144 of file vf_frei0r.c.

Referenced by config_input_props(), process_command(), and source_config_props().

load_path()

static int load_path ( AVFilterContext *  ctx, void **  handle_ptr, const char *  prefix, const char *  name  )

static

Definition at line 174 of file vf_frei0r.c.

Referenced by frei0r_init().

frei0r_init()

static av_cold int frei0r_init ( AVFilterContext *  ctx, const char *  dl_name, int  type  )

static

Definition at line 185 of file vf_frei0r.c.

Referenced by filter_init(), and source_init().

filter_init()

static av_cold int filter_init ( AVFilterContext *  ctx )

static

Definition at line 299 of file vf_frei0r.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 306 of file vf_frei0r.c.

config_input_props()

static int config_input_props ( AVFilterLink *  inlink )

static

Definition at line 318 of file vf_frei0r.c.

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 333 of file vf_frei0r.c.

filter_frame()

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

static

Definition at line 358 of file vf_frei0r.c.

process_command()

static int process_command ( AVFilterContext *  ctx, const char *  cmd, const char *  args, char *  res, int  res_len, int  flags  )

static

Definition at line 393 of file vf_frei0r.c.

AVFILTER_DEFINE_CLASS() [1/2]

AVFILTER_DEFINE_CLASS

(

frei0r

)

source_init()

static av_cold int source_init ( AVFilterContext *  ctx )

static

Definition at line 440 of file vf_frei0r.c.

source_config_props()

static int source_config_props ( AVFilterLink *  outlink )

static

Definition at line 450 of file vf_frei0r.c.

source_request_frame()

static int source_request_frame ( AVFilterLink *  outlink )

static

Definition at line 477 of file vf_frei0r.c.

AVFILTER_DEFINE_CLASS() [2/2]

AVFILTER_DEFINE_CLASS

(

frei0r_src

)

Variable Documentation

frei0r_options

const AVOption frei0r_options[]

static

Initial value:

= {
    { "filter_name",   NULL, OFFSET(dl_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
    { "filter_params", NULL, OFFSET(params),  AV_OPT_TYPE_STRING, .flags = TFLAGS },
    { NULL }
}

Definition at line 409 of file vf_frei0r.c.

avfilter_vf_frei0r_inputs

const AVFilterPad avfilter_vf_frei0r_inputs[]

static

Initial value:

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

Definition at line 417 of file vf_frei0r.c.

ff_vf_frei0r

const AVFilter ff_vf_frei0r

Initial value:

= {
    .name          = "frei0r",
    .description   = NULL_IF_CONFIG_SMALL("Apply a frei0r effect."),
    .init          = filter_init,
    .uninit        = uninit,
    .priv_size     = sizeof(Frei0rContext),
    .priv_class    = &frei0r_class,
    FILTER_INPUTS(avfilter_vf_frei0r_inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_QUERY_FUNC(query_formats),
    .process_command = process_command,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 426 of file vf_frei0r.c.

frei0r_src_options

const AVOption frei0r_src_options[]

static

Initial value:

= {
    { "size",          "Dimensions of the generated video.", OFFSET(w),         AV_OPT_TYPE_IMAGE_SIZE, { .str = "320x240" }, .flags = FLAGS },
    { "framerate",     NULL,                                 OFFSET(framerate), AV_OPT_TYPE_VIDEO_RATE, { .str = "25" }, 0, INT_MAX, .flags = FLAGS },
    { "filter_name",   NULL,                                 OFFSET(dl_name),   AV_OPT_TYPE_STRING,                  .flags = FLAGS },
    { "filter_params", NULL,                                 OFFSET(params),    AV_OPT_TYPE_STRING,                  .flags = FLAGS },
    { NULL },
}

Definition at line 495 of file vf_frei0r.c.

avfilter_vsrc_frei0r_src_outputs

const AVFilterPad avfilter_vsrc_frei0r_src_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .request_frame = source_request_frame,
        .config_props  = source_config_props
    },
}

Definition at line 505 of file vf_frei0r.c.

ff_vsrc_frei0r_src

const AVFilter ff_vsrc_frei0r_src

Initial value:

= {
    .name          = "frei0r_src",
    .description   = NULL_IF_CONFIG_SMALL("Generate a frei0r source."),
    .priv_size     = sizeof(Frei0rContext),
    .priv_class    = &frei0r_src_class,
    .init          = source_init,
    .uninit        = uninit,
    .inputs        = NULL,
    FILTER_OUTPUTS(avfilter_vsrc_frei0r_src_outputs),
    FILTER_QUERY_FUNC(query_formats),
}

Definition at line 514 of file vf_frei0r.c.