af_aap.c File Reference

#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/float_dsp.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "formats.h"
#include "filters.h"
#include "aap_template.c"

Go to the source code of this file.

Data Structures
struct	AudioAPContext

Macros
#define	OFFSET(x)   offsetof(AudioAPContext, x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	AT   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
#define	DEPTH   32
#define	DEPTH   64

Enumerations
enum	OutModes {   IN_MODE, DESIRED_MODE, OUT_MODE, NOISE_MODE,   ERROR_MODE, NB_OMODES, IN_MODE, OUT_MODE,   NOISE_MODE, NB_MODES, IN_MODE, OUT_MODE,   NOISE_MODE, NB_MODES, IN_MODE, DESIRED_MODE,   OUT_MODE, NOISE_MODE, ERROR_MODE, NB_OMODES,   IN_MODE, DESIRED_MODE, OUT_MODE, NOISE_MODE,   ERROR_MODE, NB_OMODES, IN_MODE, OUT_MODE,   ESS_MODE, NB_MODES }

Functions
	AVFILTER_DEFINE_CLASS (aap)
static int	query_formats (const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
static int	activate (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static av_cold int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	aap_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
const AVFilter	ff_af_aap

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(AudioAPContext, x)

Definition at line 74 of file af_aap.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 75 of file af_aap.c.

AT

#define AT   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 76 of file af_aap.c.

DEPTH [1/2]

#define DEPTH   32

Definition at line 187 of file af_aap.c.

DEPTH [2/2]

#define DEPTH   64

Definition at line 187 of file af_aap.c.

Enumeration Type Documentation

OutModes

enum OutModes

Enumerator
IN_MODE
DESIRED_MODE
OUT_MODE
NOISE_MODE
ERROR_MODE
NB_OMODES
IN_MODE
OUT_MODE
NOISE_MODE
NB_MODES
IN_MODE
OUT_MODE
NOISE_MODE
NB_MODES
IN_MODE
DESIRED_MODE
OUT_MODE
NOISE_MODE
ERROR_MODE
NB_OMODES
IN_MODE
DESIRED_MODE
OUT_MODE
NOISE_MODE
ERROR_MODE
NB_OMODES
IN_MODE
OUT_MODE
ESS_MODE
NB_MODES

Definition at line 32 of file af_aap.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

aap

)

query_formats()

static int query_formats ( const AVFilterContext *  ctx, AVFilterFormatsConfig **  cfg_in, AVFilterFormatsConfig **  cfg_out  )

static

Definition at line 98 of file af_aap.c.

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 117 of file af_aap.c.

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 190 of file af_aap.c.

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 266 of file af_aap.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 277 of file af_aap.c.

Variable Documentation

aap_options

const AVOption aap_options[]

static

Initial value:

= {
    { "order",      "set the filter order",      OFFSET(order),       AV_OPT_TYPE_INT,   {.i64=16},   1, INT16_MAX, A },
    { "projection", "set the filter projection", OFFSET(projection),  AV_OPT_TYPE_INT,   {.i64=2},    1, 256, A },
    { "mu",         "set the filter mu",         OFFSET(mu),          AV_OPT_TYPE_FLOAT, {.dbl=0.0001},0,1, AT },
    { "delta",      "set the filter delta",      OFFSET(delta),       AV_OPT_TYPE_FLOAT, {.dbl=0.001},0, 1, AT },
    { "out_mode",   "set output mode",           OFFSET(output_mode), AV_OPT_TYPE_INT, {.i64=OUT_MODE}, 0, NB_OMODES-1, AT, .unit = "mode" },
    {  "i", "input",   0, AV_OPT_TYPE_CONST, {.i64=IN_MODE},      0, 0, AT, .unit = "mode" },
    {  "d", "desired", 0, AV_OPT_TYPE_CONST, {.i64=DESIRED_MODE}, 0, 0, AT, .unit = "mode" },
    {  "o", "output",  0, AV_OPT_TYPE_CONST, {.i64=OUT_MODE},     0, 0, AT, .unit = "mode" },
    {  "n", "noise",   0, AV_OPT_TYPE_CONST, {.i64=NOISE_MODE},   0, 0, AT, .unit = "mode" },
    {  "e", "error",   0, AV_OPT_TYPE_CONST, {.i64=ERROR_MODE},   0, 0, AT, .unit = "mode" },
    { "precision", "set processing precision", OFFSET(precision),  AV_OPT_TYPE_INT,    {.i64=0},   0, 2, A, .unit = "precision" },
    {   "auto",  "set auto processing precision",                  0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, A, .unit = "precision" },
    {   "float", "set single-floating point processing precision", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, A, .unit = "precision" },
    {   "double","set double-floating point processing precision", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, A, .unit = "precision" },
    { NULL }
}

Definition at line 78 of file af_aap.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

= {
    {
        .name = "input",
        .type = AVMEDIA_TYPE_AUDIO,
    },
    {
        .name = "desired",
        .type = AVMEDIA_TYPE_AUDIO,
    },
}

Definition at line 299 of file af_aap.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_AUDIO,
        .config_props = config_output,
    },
}

Examples

decode_filter_audio.c, decode_filter_video.c, and transcode.c.

Definition at line 310 of file af_aap.c.

Referenced by avfilter_graph_parse(), avfilter_graph_parse2(), avfilter_graph_parse_ptr(), avfilter_graph_segment_apply(), avfilter_graph_segment_link(), configure_filtergraph(), fg_create(), graph_parse(), infer_completion_callback(), init(), init_filter(), init_filters(), and link_outputs().

ff_af_aap

const AVFilter ff_af_aap

Initial value:

= {
    .name           = "aap",
    .description    = NULL_IF_CONFIG_SMALL("Apply Affine Projection algorithm to first audio stream."),
    .priv_size      = sizeof(AudioAPContext),
    .priv_class     = &aap_class,
    .init           = init,
    .uninit         = uninit,
    .activate       = activate,
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(outputs),
    FILTER_QUERY_FUNC2(query_formats),
    .flags          = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
                      AVFILTER_FLAG_SLICE_THREADS,
    .process_command = ff_filter_process_command,
}

Definition at line 318 of file af_aap.c.