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"

Include dependency graph for vsrc_testsrc.c:

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	COMMON_OPTIONS

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	color_options []
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 COMMON_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 },\
    { "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 77 of file vsrc_testsrc.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 75 of file vsrc_testsrc.c.

#define OFFSET

(

x

)

offsetof(TestSourceContext, x)

Definition at line 74 of file vsrc_testsrc.c.

Function Documentation

static int config_props ( AVFilterLink *  outlink )

static

Definition at line 146 of file vsrc_testsrc.c.

Referenced by request_frame().

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 105 of file vsrc_testsrc.c.

Referenced by request_frame().

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 159 of file vsrc_testsrc.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 139 of file vsrc_testsrc.c.

Referenced by request_frame().

Variable Documentation

const AVOption color_options[]

static

Initial value:

= {
    
    { "color", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
    { "c",     "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },

    COMMON_OPTIONS
    { NULL },
}

Definition at line 87 of file vsrc_testsrc.c.

const AVOption options[]

static

Initial value:

= {
    COMMON_OPTIONS
    
    { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0},  0, 17, FLAGS },
    { "n",        "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0},  0, 17, FLAGS },

    { NULL },
}

Definition at line 96 of file vsrc_testsrc.c.