src_avsynctest.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/channel_layout.h"
#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/parseutils.h"
#include "libavutil/timestamp.h"
#include "libavutil/xga_font_data.h"
#include "avfilter.h"
#include "drawutils.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
#include "audio.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	AVSyncTestContext

Macros
#define	OFFSET(x)   offsetof(AVSyncTestContext, x)
#define	A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	V   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	FPI   0x8000

Functions
	AVFILTER_DEFINE_CLASS (avsynctest)
static av_cold int	query_formats (AVFilterContext *ctx)
static av_cold int	aconfig_props (AVFilterLink *outlink)
static av_cold int	config_props (AVFilterLink *outlink)
static int32_t	sin32 (int32_t x, int shift)
static int	audio_frame (AVFilterLink *outlink)
static void	draw_text (FFDrawContext *draw, AVFrame *out, FFDrawColor *color, int x0, int y0, const uint8_t *text)
static int	offset (int x, int num, int den)
static int	video_frame (AVFilterLink *outlink)
static int	activate (AVFilterContext *ctx)

Variables
static const AVOption	avsynctest_options []
static const AVFilterPad	avsynctest_outputs []
const AVFilter	ff_avsrc_avsynctest

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(AVSyncTestContext, x)

Definition at line 67 of file src_avsynctest.c.

A

#define A   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 68 of file src_avsynctest.c.

V

#define V   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 69 of file src_avsynctest.c.

FPI

#define FPI   0x8000

Definition at line 171 of file src_avsynctest.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

avsynctest

)

query_formats()

static av_cold int query_formats ( AVFilterContext *  ctx )

static

Definition at line 96 of file src_avsynctest.c.

aconfig_props()

static av_cold int aconfig_props ( AVFilterLink *  outlink )

static

Definition at line 131 of file src_avsynctest.c.

config_props()

static av_cold int config_props ( AVFilterLink *  outlink )

static

Definition at line 145 of file src_avsynctest.c.

sin32()

static int32_t sin32 ( int32_t  x, int  shift  )

static

Definition at line 173 of file src_avsynctest.c.

Referenced by audio_frame().

audio_frame()

static int audio_frame ( AVFilterLink *  outlink )

static

Definition at line 202 of file src_avsynctest.c.

Referenced by activate().

draw_text()

static void draw_text ( FFDrawContext *  draw, AVFrame *  out, FFDrawColor *  color, int  x0, int  y0, const uint8_t *  text  )

static

Definition at line 245 of file src_avsynctest.c.

Referenced by video_frame().

offset()

static int offset ( int  x, int  num, int  den  )

static

Definition at line 263 of file src_avsynctest.c.

Referenced by video_frame().

video_frame()

static int video_frame ( AVFilterLink *  outlink )

static

Definition at line 268 of file src_avsynctest.c.

Referenced by activate().

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 356 of file src_avsynctest.c.

Variable Documentation

avsynctest_options

const AVOption avsynctest_options[]

static

Initial value:

= {
    {"size",       "set frame size",  OFFSET(w),            AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"},   0,   0, V },
    {"s",          "set frame size",  OFFSET(w),            AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"},   0,   0, V },
    {"framerate",  "set frame rate",  OFFSET(frame_rate),   AV_OPT_TYPE_VIDEO_RATE, {.str="30"},   0,INT_MAX, V },
    {"fr",         "set frame rate",  OFFSET(frame_rate),   AV_OPT_TYPE_VIDEO_RATE, {.str="30"},   0,INT_MAX, V },
    {"samplerate", "set sample rate", OFFSET(sample_rate),  AV_OPT_TYPE_INT,        {.i64=44100},8000,384000, A },
    {"sr",         "set sample rate", OFFSET(sample_rate),  AV_OPT_TYPE_INT,        {.i64=44100},8000,384000, A },
    {"amplitude",  "set beep amplitude", OFFSET(amplitude), AV_OPT_TYPE_FLOAT,      {.dbl=.7},       0.,  1., A },
    {"a",          "set beep amplitude", OFFSET(amplitude), AV_OPT_TYPE_FLOAT,      {.dbl=.7},       0.,  1., A },
    {"period",     "set beep period", OFFSET(period),       AV_OPT_TYPE_INT,        {.i64=3},         1, 99., A },
    {"p",          "set beep period", OFFSET(period),       AV_OPT_TYPE_INT,        {.i64=3},         1, 99., A },
    {"delay",      "set flash delay", OFFSET(delay),        AV_OPT_TYPE_INT,        {.i64=0},       -30,  30, V },
    {"dl",         "set flash delay", OFFSET(delay),        AV_OPT_TYPE_INT,        {.i64=0},       -30,  30, V },
    {"cycle",      "set delay cycle", OFFSET(cycle),        AV_OPT_TYPE_BOOL,       {.i64=0},         0,   1, V },
    {"c",          "set delay cycle", OFFSET(cycle),        AV_OPT_TYPE_BOOL,       {.i64=0},         0,   1, V },
    {"duration",   "set duration",    OFFSET(duration),     AV_OPT_TYPE_DURATION,   {.i64=0},         0, INT64_MAX, V|A },
    {"d",          "set duration",    OFFSET(duration),     AV_OPT_TYPE_DURATION,   {.i64=0},         0, INT64_MAX, V|A },
    {"fg",         "set foreground color", OFFSET(rgba[0]), AV_OPT_TYPE_COLOR,      {.str="white"},   0,   0, V },
    {"bg",         "set background color", OFFSET(rgba[1]), AV_OPT_TYPE_COLOR,      {.str="black"},   0,   0, V },
    {"ag",         "set additional color", OFFSET(rgba[2]), AV_OPT_TYPE_COLOR,      {.str="gray"},    0,   0, V },
    {NULL},
}

Definition at line 71 of file src_avsynctest.c.

avsynctest_outputs

const AVFilterPad avsynctest_outputs[]

static

Initial value:

= {
    {
        .name          = "audio",
        .type          = AVMEDIA_TYPE_AUDIO,
        .config_props  = aconfig_props,
    },
    {
        .name          = "video",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_props,
    },
}

Definition at line 381 of file src_avsynctest.c.

ff_avsrc_avsynctest

const AVFilter ff_avsrc_avsynctest

Initial value:

= {
    .name          = "avsynctest",
    .description   = NULL_IF_CONFIG_SMALL("Generate an Audio Video Sync Test."),
    .priv_size     = sizeof(AVSyncTestContext),
    .priv_class    = &avsynctest_class,
    .inputs        = NULL,
    .activate      = activate,
    FILTER_OUTPUTS(avsynctest_outputs),
    FILTER_QUERY_FUNC(query_formats),
}

Definition at line 394 of file src_avsynctest.c.