FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
vsrc_mptestsrc.c File Reference
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  MPTestContext
 

Macros

#define WIDTH   512
 
#define HEIGHT   512
 
#define OFFSET(x)   offsetof(MPTestContext, x)
 
#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
 

Enumerations

enum  test_type {
  TEST_DC_LUMA, TEST_DC_CHROMA, TEST_FREQ_LUMA, TEST_FREQ_CHROMA,
  TEST_AMP_LUMA, TEST_AMP_CHROMA, TEST_CBP, TEST_MV,
  TEST_RING1, TEST_RING2, TEST_ALL, TEST_NB
}
 

Functions

 AVFILTER_DEFINE_CLASS (mptestsrc)
 
static void init_idct (void)
 
static void idct (uint8_t *dst, int dst_linesize, int src[64])
 
static void draw_dc (uint8_t *dst, int dst_linesize, int color, int w, int h)
 
static void draw_basis (uint8_t *dst, int dst_linesize, int amp, int freq, int dc)
 
static void draw_cbp (uint8_t *dst[3], int dst_linesize[3], int cbp, int amp, int dc)
 
static void dc_test (uint8_t *dst, int dst_linesize, int w, int h, int off)
 
static void freq_test (uint8_t *dst, int dst_linesize, int off)
 
static void amp_test (uint8_t *dst, int dst_linesize, int off)
 
static void cbp_test (uint8_t *dst[3], int dst_linesize[3], int off)
 
static void mv_test (uint8_t *dst, int dst_linesize, int off)
 
static void ring1_test (uint8_t *dst, int dst_linesize, int off)
 
static void ring2_test (uint8_t *dst, int dst_linesize, int off)
 
static av_cold int init (AVFilterContext *ctx)
 
static int config_props (AVFilterLink *outlink)
 
static int request_frame (AVFilterLink *outlink)
 

Variables

static const AVOption mptestsrc_options []
 
static double c [64]
 
static const AVFilterPad mptestsrc_outputs []
 
const AVFilter ff_vsrc_mptestsrc
 

Detailed Description

MP test source, ported from MPlayer libmpcodecs/vf_test.c

Definition in file vsrc_mptestsrc.c.

Macro Definition Documentation

◆ WIDTH

#define WIDTH   512

Definition at line 32 of file vsrc_mptestsrc.c.

◆ HEIGHT

#define HEIGHT   512

Definition at line 33 of file vsrc_mptestsrc.c.

◆ OFFSET

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

Definition at line 59 of file vsrc_mptestsrc.c.

◆ FLAGS

Definition at line 60 of file vsrc_mptestsrc.c.

Enumeration Type Documentation

◆ test_type

enum test_type
Enumerator
TEST_DC_LUMA 
TEST_DC_CHROMA 
TEST_FREQ_LUMA 
TEST_FREQ_CHROMA 
TEST_AMP_LUMA 
TEST_AMP_CHROMA 
TEST_CBP 
TEST_MV 
TEST_RING1 
TEST_RING2 
TEST_ALL 
TEST_NB 

Definition at line 35 of file vsrc_mptestsrc.c.

Function Documentation

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( mptestsrc  )

◆ init_idct()

static void init_idct ( void  )
static

Definition at line 91 of file vsrc_mptestsrc.c.

Referenced by init().

◆ idct()

static void idct ( uint8_t *  dst,
int  dst_linesize,
int  src[64] 
)
static

Definition at line 103 of file vsrc_mptestsrc.c.

Referenced by draw_basis().

◆ draw_dc()

static void draw_dc ( uint8_t *  dst,
int  dst_linesize,
int  color,
int  w,
int  h 
)
static

Definition at line 131 of file vsrc_mptestsrc.c.

Referenced by dc_test(), and ring1_test().

◆ draw_basis()

static void draw_basis ( uint8_t *  dst,
int  dst_linesize,
int  amp,
int  freq,
int  dc 
)
static

Definition at line 140 of file vsrc_mptestsrc.c.

Referenced by amp_test(), draw_cbp(), and freq_test().

◆ draw_cbp()

static void draw_cbp ( uint8_t *  dst[3],
int  dst_linesize[3],
int  cbp,
int  amp,
int  dc 
)
static

Definition at line 151 of file vsrc_mptestsrc.c.

Referenced by cbp_test().

◆ dc_test()

static void dc_test ( uint8_t *  dst,
int  dst_linesize,
int  w,
int  h,
int  off 
)
static

Definition at line 161 of file vsrc_mptestsrc.c.

Referenced by request_frame().

◆ freq_test()

static void freq_test ( uint8_t *  dst,
int  dst_linesize,
int  off 
)
static

Definition at line 174 of file vsrc_mptestsrc.c.

Referenced by request_frame().

◆ amp_test()

static void amp_test ( uint8_t *  dst,
int  dst_linesize,
int  off 
)
static

Definition at line 186 of file vsrc_mptestsrc.c.

Referenced by request_frame().

◆ cbp_test()

static void cbp_test ( uint8_t *  dst[3],
int  dst_linesize[3],
int  off 
)
static

Definition at line 198 of file vsrc_mptestsrc.c.

Referenced by request_frame().

◆ mv_test()

static void mv_test ( uint8_t *  dst,
int  dst_linesize,
int  off 
)
static

Definition at line 215 of file vsrc_mptestsrc.c.

Referenced by request_frame().

◆ ring1_test()

static void ring1_test ( uint8_t *  dst,
int  dst_linesize,
int  off 
)
static

Definition at line 227 of file vsrc_mptestsrc.c.

Referenced by request_frame().

◆ ring2_test()

static void ring2_test ( uint8_t *  dst,
int  dst_linesize,
int  off 
)
static

Definition at line 239 of file vsrc_mptestsrc.c.

Referenced by request_frame().

◆ init()

static av_cold int init ( AVFilterContext ctx)
static

Definition at line 258 of file vsrc_mptestsrc.c.

◆ config_props()

static int config_props ( AVFilterLink outlink)
static

Definition at line 274 of file vsrc_mptestsrc.c.

◆ request_frame()

static int request_frame ( AVFilterLink outlink)
static

Definition at line 291 of file vsrc_mptestsrc.c.

Variable Documentation

◆ mptestsrc_options

const AVOption mptestsrc_options[]
static
Initial value:
= {
{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },
{ "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, 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 },
{ "test", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, .unit = "test" },
{ "t", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, .unit = "test" },
{ "dc_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "dc_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "freq_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "freq_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "amp_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "amp_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "cbp", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_CBP}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "mv", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_MV}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "ring1", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING1}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "ring2", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING2}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "all", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_ALL}, INT_MIN, INT_MAX, FLAGS, .unit = "test" },
{ "max_frames", "Set the maximum number of frames generated for each test", OFFSET(max_frames),
AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS },
{ "m", "Set the maximum number of frames generated for each test", OFFSET(max_frames),
AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS },
{ NULL }
}

Definition at line 61 of file vsrc_mptestsrc.c.

◆ c

double c[64]
static

Definition at line 89 of file vsrc_mptestsrc.c.

Referenced by idct(), and init_idct().

◆ mptestsrc_outputs

const AVFilterPad mptestsrc_outputs[]
static
Initial value:
= {
{
.name = "default",
.request_frame = request_frame,
.config_props = config_props,
},
}

Definition at line 337 of file vsrc_mptestsrc.c.

◆ ff_vsrc_mptestsrc

const AVFilter ff_vsrc_mptestsrc
Initial value:
= {
.name = "mptestsrc",
.description = NULL_IF_CONFIG_SMALL("Generate various test pattern."),
.priv_size = sizeof(MPTestContext),
.priv_class = &mptestsrc_class,
.init = init,
}

Definition at line 346 of file vsrc_mptestsrc.c.

AV_OPT_TYPE_VIDEO_RATE
@ AV_OPT_TYPE_VIDEO_RATE
offset must point to AVRational
Definition: opt.h:248
TEST_ALL
@ TEST_ALL
Definition: vsrc_mptestsrc.c:46
test
Definition: idctdsp.c:35
AV_OPT_TYPE_DURATION
@ AV_OPT_TYPE_DURATION
Definition: opt.h:249
init
static av_cold int init(AVFilterContext *ctx)
Definition: vsrc_mptestsrc.c:258
duration
int64_t duration
Definition: movenc.c:64
TEST_AMP_CHROMA
@ TEST_AMP_CHROMA
Definition: vsrc_mptestsrc.c:41
TEST_DC_CHROMA
@ TEST_DC_CHROMA
Definition: vsrc_mptestsrc.c:37
AV_OPT_TYPE_INT64
@ AV_OPT_TYPE_INT64
Definition: opt.h:236
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:73
TEST_FREQ_CHROMA
@ TEST_FREQ_CHROMA
Definition: vsrc_mptestsrc.c:39
OFFSET
#define OFFSET(x)
Definition: vsrc_mptestsrc.c:59
TEST_RING2
@ TEST_RING2
Definition: vsrc_mptestsrc.c:45
NULL
#define NULL
Definition: coverity.c:32
TEST_FREQ_LUMA
@ TEST_FREQ_LUMA
Definition: vsrc_mptestsrc.c:38
inputs
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
Definition: filter_design.txt:243
MPTestContext
Definition: vsrc_mptestsrc.c:50
FLAGS
#define FLAGS
Definition: vsrc_mptestsrc.c:60
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:106
TEST_CBP
@ TEST_CBP
Definition: vsrc_mptestsrc.c:42
FILTER_SINGLE_PIXFMT
#define FILTER_SINGLE_PIXFMT(pix_fmt_)
Definition: internal.h:172
request_frame
static int request_frame(AVFilterLink *outlink)
Definition: vsrc_mptestsrc.c:291
mptestsrc_outputs
static const AVFilterPad mptestsrc_outputs[]
Definition: vsrc_mptestsrc.c:337
TEST_DC_LUMA
@ TEST_DC_LUMA
Definition: vsrc_mptestsrc.c:36
TEST_RING1
@ TEST_RING1
Definition: vsrc_mptestsrc.c:44
TEST_AMP_LUMA
@ TEST_AMP_LUMA
Definition: vsrc_mptestsrc.c:40
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:235
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:183
TEST_MV
@ TEST_MV
Definition: vsrc_mptestsrc.c:43
config_props
static int config_props(AVFilterLink *outlink)
Definition: vsrc_mptestsrc.c:274
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:244