Misc test sources. More...

#include <float.h>
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"

Data Structures
struct	TestSourceContext
Defines
#define	OFFSET(x) offsetof(TestSourceContext, x)
#define	TOP_HBAR 1
#define	MID_HBAR 2
#define	BOT_HBAR 4
#define	LEFT_TOP_VBAR 8
#define	LEFT_BOT_VBAR 16
#define	RIGHT_TOP_VBAR 32
#define	RIGHT_BOT_VBAR 64
#define	GRADIENT_SIZE (6 * 256)
#define	R 0
#define	G 1
#define	B 2
#define	A 3
Functions
static av_cold int	init_common (AVFilterContext ctx, const char args, void *opaque)
static int	config_props (AVFilterLink *outlink)
static int	request_frame (AVFilterLink *outlink)
static const char *	testsrc_get_name (void *ctx)
static void	draw_rectangle (unsigned val, uint8_t *dst, int dst_linesize, unsigned segment_width, unsigned x, unsigned y, unsigned w, unsigned h)
	Fill a rectangle with value val.
static void	draw_digit (int digit, uint8_t *dst, unsigned dst_linesize, unsigned segment_width)
static void	test_fill_picture (AVFilterContext ctx, AVFilterBufferRef picref)
static av_cold int	test_init (AVFilterContext ctx, const char args, void *opaque)
static int	test_query_formats (AVFilterContext *ctx)
static const char *	rgbtestsrc_get_name (void *ctx)
static void	rgbtest_put_pixel (uint8_t *dst, int dst_linesize, int x, int y, int r, int g, int b, enum PixelFormat fmt, int rgba_map[4])
static void	rgbtest_fill_picture (AVFilterContext ctx, AVFilterBufferRef picref)
static av_cold int	rgbtest_init (AVFilterContext ctx, const char args, void *opaque)
static int	rgbtest_query_formats (AVFilterContext *ctx)
static int	rgbtest_config_props (AVFilterLink *outlink)
Variables
static const AVOption	testsrc_options []
static const AVClass	testsrc_class
AVFilter	avfilter_vsrc_testsrc
static const AVClass	rgbtestsrc_class
AVFilter	avfilter_vsrc_rgbtestsrc

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.

Definition in file vsrc_testsrc.c.

Define Documentation

#define A 3

Definition at line 390 of file vsrc_testsrc.c.

#define B 2

Definition at line 389 of file vsrc_testsrc.c.

#define BOT_HBAR 4

Referenced by draw_digit().

#define G 1

Definition at line 388 of file vsrc_testsrc.c.

#define GRADIENT_SIZE (6 * 256)

Definition at line 235 of file vsrc_testsrc.c.

Referenced by test_fill_picture().

#define LEFT_BOT_VBAR 16

Referenced by draw_digit().

#define LEFT_TOP_VBAR 8

Referenced by draw_digit().

#define MID_HBAR 2

Referenced by draw_digit().

#define OFFSET ( x ) offsetof(TestSourceContext, x)

Definition at line 58 of file vsrc_testsrc.c.

#define R 0

Definition at line 387 of file vsrc_testsrc.c.

#define RIGHT_BOT_VBAR 64

#define RIGHT_TOP_VBAR 32

Referenced by draw_digit().

#define TOP_HBAR 1

Referenced by draw_digit().

Function Documentation

static int config_props ( AVFilterLink * outlink ) [static]

Definition at line 114 of file vsrc_testsrc.c.

Referenced by rgbtest_config_props().

static void draw_digit	(	int	digit,
		uint8_t *	dst,
		unsigned	dst_linesize,
		unsigned	segment_width
	)			`[static]`

Definition at line 192 of file vsrc_testsrc.c.

Referenced by test_fill_picture().

static void draw_rectangle	(	unsigned	val,
		uint8_t *	dst,
		int	dst_linesize,
		unsigned	segment_width,
		unsigned	x,
		unsigned	y,
		unsigned	w,
		unsigned	h
	)			`[static]`

Fill a rectangle with value val.

Parameters:

	val	the RGB value to set
	dst	pointer to the destination buffer to fill
	dst_linesize	linesize of destination
	segment_width	width of the segment
	x	horizontal coordinate where to draw the rectangle in the destination buffer
	y	horizontal coordinate where to draw the rectangle in the destination buffer
	w	width of the rectangle to draw, expressed as a number of segment_width units
	h	height of the rectangle to draw, expressed as a number of segment_width units

Definition at line 177 of file vsrc_testsrc.c.

Referenced by draw_digit().

static av_cold int init_common	(	AVFilterContext *	ctx,
		const char *	args,
		void *	opaque
	)			`[static]`

Definition at line 70 of file vsrc_testsrc.c.

Referenced by rgbtest_init(), and test_init().

static int request_frame ( AVFilterLink * outlink ) [static]

Definition at line 126 of file vsrc_testsrc.c.

static int rgbtest_config_props ( AVFilterLink * outlink ) [static]

Definition at line 466 of file vsrc_testsrc.c.

static void rgbtest_fill_picture	(	AVFilterContext *	ctx,
		AVFilterBufferRef *	picref
	)			`[static]`

Definition at line 423 of file vsrc_testsrc.c.

static av_cold int rgbtest_init	(	AVFilterContext *	ctx,
		const char *	args,
		void *	opaque
	)			`[static]`

Definition at line 443 of file vsrc_testsrc.c.

static void rgbtest_put_pixel	(	uint8_t *	dst,
		int	dst_linesize,
		int	x,
		int	y,
		int	r,
		int	g,
		int	b,
		enum PixelFormat	fmt,
		int	rgba_map[4]
	)			`[static]`

Definition at line 392 of file vsrc_testsrc.c.

Referenced by rgbtest_fill_picture().

static int rgbtest_query_formats ( AVFilterContext * ctx ) [static]

Definition at line 452 of file vsrc_testsrc.c.

static const char* rgbtestsrc_get_name ( void * ctx ) [static]

Definition at line 376 of file vsrc_testsrc.c.

static void test_fill_picture	(	AVFilterContext *	ctx,
		AVFilterBufferRef *	picref
	)			`[static]`

Definition at line 237 of file vsrc_testsrc.c.

static av_cold int test_init	(	AVFilterContext *	ctx,
		const char *	args,
		void *	opaque
	)			`[static]`

Definition at line 337 of file vsrc_testsrc.c.

static int test_query_formats ( AVFilterContext * ctx ) [static]

Definition at line 346 of file vsrc_testsrc.c.

static const char* testsrc_get_name ( void * ctx ) [static]

Definition at line 154 of file vsrc_testsrc.c.

Variable Documentation

AVFilter avfilter_vsrc_rgbtestsrc

Initial value:

 {
    .name          = "rgbtestsrc",
    .description   = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
    .priv_size     = sizeof(TestSourceContext),
    .init          = rgbtest_init,

    .query_formats = rgbtest_query_formats,

    .inputs    = (AVFilterPad[]) {{ .name = NULL}},

    .outputs   = (AVFilterPad[]) {{ .name = "default",
                                    .type = AVMEDIA_TYPE_VIDEO,
                                    .request_frame = request_frame,
                                    .config_props  = rgbtest_config_props, },
                                  { .name = NULL }},
}

Definition at line 482 of file vsrc_testsrc.c.

AVFilter avfilter_vsrc_testsrc

Initial value:

 {
    .name          = "testsrc",
    .description   = NULL_IF_CONFIG_SMALL("Generate test pattern."),
    .priv_size     = sizeof(TestSourceContext),
    .init          = test_init,

    .query_formats = test_query_formats,

    .inputs    = (AVFilterPad[]) {{ .name = NULL}},

    .outputs   = (AVFilterPad[]) {{ .name = "default",
                                    .type = AVMEDIA_TYPE_VIDEO,
                                    .request_frame = request_frame,
                                    .config_props  = config_props, },
                                  { .name = NULL }},
}

Definition at line 355 of file vsrc_testsrc.c.

const AVClass rgbtestsrc_class [static]

Initial value:

 {
    .class_name = "RGBTestSourceContext",
    .item_name  = rgbtestsrc_get_name,
    .option     = testsrc_options,
}

Definition at line 381 of file vsrc_testsrc.c.

const AVClass testsrc_class [static]

Initial value:

 {
    .class_name = "TestSourceContext",
    .item_name  = testsrc_get_name,
    .option     = testsrc_options,
}

Definition at line 159 of file vsrc_testsrc.c.

const AVOption testsrc_options[] [static]

Initial value:

 {
    { "size",     "set video size",     OFFSET(size),     FF_OPT_TYPE_STRING, {.str = "320x240"}},
    { "s",        "set video size",     OFFSET(size),     FF_OPT_TYPE_STRING, {.str = "320x240"}},
    { "rate",     "set video rate",     OFFSET(rate),     FF_OPT_TYPE_STRING, {.str = "25"},    },
    { "r",        "set video rate",     OFFSET(rate),     FF_OPT_TYPE_STRING, {.str = "25"},    },
    { "duration", "set video duration", OFFSET(duration), FF_OPT_TYPE_STRING, {.str = NULL},    },
    { "sar",      "set video sample aspect ratio", OFFSET(sar), FF_OPT_TYPE_RATIONAL, {1},  0, INT_MAX },
    { NULL },
}

Definition at line 60 of file vsrc_testsrc.c.

libavfilter/vsrc_testsrc.c File Reference

Data Structures

Defines

Functions

Variables

Detailed Description

Define Documentation

Function Documentation

Variable Documentation