FFmpeg
Data Structures | Macros | Typedefs | Functions | Variables
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 "filters.h"
#include "formats.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 (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
 
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 408 of file vf_frei0r.c.

◆ FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 409 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 410 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 ( const AVFilterContext *  ctx,
AVFilterFormatsConfig **  cfg_in,
AVFilterFormatsConfig **  cfg_out 
)
static

Definition at line 333 of file vf_frei0r.c.

◆ filter_frame()

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

Definition at line 360 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 395 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 442 of file vf_frei0r.c.

◆ source_config_props()

static int source_config_props ( AVFilterLink *  outlink)
static

Definition at line 452 of file vf_frei0r.c.

◆ source_request_frame()

static int source_request_frame ( AVFilterLink *  outlink)
static

Definition at line 480 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 411 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 419 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_FUNC2(query_formats),
.process_command = process_command,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 428 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 498 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 508 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_FUNC2(query_formats),
}

Definition at line 517 of file vf_frei0r.c.

Frei0rContext
Definition: vf_frei0r.c:57
AV_OPT_TYPE_VIDEO_RATE
@ AV_OPT_TYPE_VIDEO_RATE
Underlying C type is AVRational.
Definition: opt.h:315
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_frei0r.c:306
source_init
static av_cold int source_init(AVFilterContext *ctx)
Definition: vf_frei0r.c:442
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: filters.h:262
w
uint8_t w
Definition: llviddspenc.c:38
source_request_frame
static int source_request_frame(AVFilterLink *outlink)
Definition: vf_frei0r.c:480
OFFSET
#define OFFSET(x)
Definition: vf_frei0r.c:408
TFLAGS
#define TFLAGS
Definition: vf_frei0r.c:410
ff_video_default_filterpad
const AVFilterPad ff_video_default_filterpad[1]
An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_VIDEO.
Definition: video.c:37
source_config_props
static int source_config_props(AVFilterLink *outlink)
Definition: vf_frei0r.c:452
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: vf_frei0r.c:395
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_frei0r.c:360
config_input_props
static int config_input_props(AVFilterLink *inlink)
Definition: vf_frei0r.c:318
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: filters.h:263
framerate
float framerate
Definition: av1_levels.c:29
NULL
#define NULL
Definition: coverity.c:32
AV_OPT_TYPE_IMAGE_SIZE
@ AV_OPT_TYPE_IMAGE_SIZE
Underlying C type is two consecutive integers.
Definition: opt.h:303
filter_init
static av_cold int filter_init(AVFilterContext *ctx)
Definition: vf_frei0r.c:299
inputs
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
Definition: filter_design.txt:243
query_formats
static int query_formats(const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
Definition: vf_frei0r.c:333
init
int(* init)(AVBSFContext *ctx)
Definition: dts2pts.c:368
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:94
FLAGS
#define FLAGS
Definition: vf_frei0r.c:409
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:182
FILTER_QUERY_FUNC2
#define FILTER_QUERY_FUNC2(func)
Definition: filters.h:239
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
avfilter_vsrc_frei0r_src_outputs
static const AVFilterPad avfilter_vsrc_frei0r_src_outputs[]
Definition: vf_frei0r.c:508
avfilter_vf_frei0r_inputs
static const AVFilterPad avfilter_vf_frei0r_inputs[]
Definition: vf_frei0r.c:419
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Underlying C type is a uint8_t* that is either NULL or points to a C string allocated with the av_mal...
Definition: opt.h:276
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