vsrc_testsrc.c File Reference

Misc test sources. More...

#include <float.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	TestSourceContext

Macros
#define	OFFSET(x)   offsetof(TestSourceContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	SIZE_OPTIONS
#define	COMMON_OPTIONS_NOSIZE
#define	COMMON_OPTIONS   SIZE_OPTIONS COMMON_OPTIONS_NOSIZE

Functions
static av_cold int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
static int	config_props (AVFilterLink *outlink)
static int	request_frame (AVFilterLink *outlink)

Variables
static const AVOption	options []

Detailed Description

Misc test sources.

testsrc is based on the test pattern generator demuxer by Nicolas George: http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2007-October/037845.html

rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by Michael Niedermayer.

smptebars and smptehdbars are by Paul B Mahol.

Definition in file vsrc_testsrc.c.

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(TestSourceContext, x)

Definition at line 79 of file vsrc_testsrc.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 80 of file vsrc_testsrc.c.

#define SIZE_OPTIONS

Value:

{ "size",     "set video size",     OFFSET(w),        AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
    { "s",        "set video size",     OFFSET(w),        AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\

Definition at line 82 of file vsrc_testsrc.c.

#define COMMON_OPTIONS_NOSIZE

Value:

{ "rate",     "set video rate",     OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },\
    { "r",        "set video rate",     OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },\
    { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
    { "d",        "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
    { "sar",      "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1},  0, INT_MAX, FLAGS },

Definition at line 86 of file vsrc_testsrc.c.

#define COMMON_OPTIONS   SIZE_OPTIONS COMMON_OPTIONS_NOSIZE

Definition at line 93 of file vsrc_testsrc.c.

Function Documentation

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 100 of file vsrc_testsrc.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 115 of file vsrc_testsrc.c.

static int config_props ( AVFilterLink *  outlink )

static

Definition at line 122 of file vsrc_testsrc.c.

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 135 of file vsrc_testsrc.c.

Variable Documentation

const AVOption options[]

static

Initial value:

= {
    COMMON_OPTIONS
    { NULL }
}

Definition at line 95 of file vsrc_testsrc.c.