opt.c File Reference

#include <limits.h>
#include <stdio.h>
#include "libavutil/common.h"
#include "libavutil/channel_layout.h"
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/rational.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"

Go to the source code of this file.

Data Structures
struct	TestContext

Macros
#define	OFFSET(x)   offsetof(TestContext, x)
#define	TEST_FLAG_COOL   01
#define	TEST_FLAG_LAME   02
#define	TEST_FLAG_MU   04

Functions
static const char *	test_get_name (void *ctx)
static void	log_callback_help (void *ptr, int level, const char *fmt, va_list vl)
int	main (void)

Variables
static const AVOption	test_options []
static const AVClass	test_class

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(TestContext, x)

Definition at line 62 of file opt.c.

TEST_FLAG_COOL

#define TEST_FLAG_COOL   01

Definition at line 64 of file opt.c.

TEST_FLAG_LAME

#define TEST_FLAG_LAME   02

Definition at line 65 of file opt.c.

TEST_FLAG_MU

#define TEST_FLAG_MU   04

Definition at line 66 of file opt.c.

Function Documentation

test_get_name()

static const char* test_get_name ( void *  ctx )

static

Definition at line 99 of file opt.c.

log_callback_help()

static void log_callback_help ( void *  ptr, int  level, const char *  fmt, va_list  vl  )

static

Definition at line 111 of file opt.c.

Referenced by main().

main()

int main

(

void

)

Definition at line 116 of file opt.c.

Variable Documentation

test_options

const AVOption test_options[]

static

Initial value:

= {
    {"num",        "set num",            OFFSET(num),            AV_OPT_TYPE_INT,            { .i64 = 0 },                      0,       100, 1 },
    {"toggle",     "set toggle",         OFFSET(toggle),         AV_OPT_TYPE_INT,            { .i64 = 1 },                      0,         1, 1 },
    {"rational",   "set rational",       OFFSET(rational),       AV_OPT_TYPE_RATIONAL,       { .dbl = 1 },                      0,        10, 1 },
    {"string",     "set string",         OFFSET(string),         AV_OPT_TYPE_STRING,         { .str = "default" },       CHAR_MIN,  CHAR_MAX, 1 },
    {"escape",     "set escape str",     OFFSET(escape),         AV_OPT_TYPE_STRING,         { .str = "\\=," },          CHAR_MIN,  CHAR_MAX, 1 },
    {"flags",      "set flags",          OFFSET(flags),          AV_OPT_TYPE_FLAGS,          { .i64 = 1 },                      0,   INT_MAX, 1, "flags" },
    {"cool",       "set cool flag",      0,                      AV_OPT_TYPE_CONST,          { .i64 = TEST_FLAG_COOL },   INT_MIN,   INT_MAX, 1, "flags" },
    {"lame",       "set lame flag",      0,                      AV_OPT_TYPE_CONST,          { .i64 = TEST_FLAG_LAME },   INT_MIN,   INT_MAX, 1, "flags" },
    {"mu",         "set mu flag",        0,                      AV_OPT_TYPE_CONST,          { .i64 = TEST_FLAG_MU },     INT_MIN,   INT_MAX, 1, "flags" },
    {"size",       "set size",           OFFSET(w),              AV_OPT_TYPE_IMAGE_SIZE,     { .str="200x300" },                0,         0, 1 },
    {"pix_fmt",    "set pixfmt",         OFFSET(pix_fmt),        AV_OPT_TYPE_PIXEL_FMT,      { .i64 = AV_PIX_FMT_0BGR },       -1,   INT_MAX, 1 },
    {"sample_fmt", "set samplefmt",      OFFSET(sample_fmt),     AV_OPT_TYPE_SAMPLE_FMT,     { .i64 = AV_SAMPLE_FMT_S16 },     -1,   INT_MAX, 1 },
    {"video_rate", "set videorate",      OFFSET(video_rate),     AV_OPT_TYPE_VIDEO_RATE,     { .str = "25" },                   0,         INT_MAX, 1 },
    {"duration",   "set duration",       OFFSET(duration),       AV_OPT_TYPE_DURATION,       { .i64 = 1000 },                   0, INT64_MAX, 1 },
    {"color",      "set color",          OFFSET(color),          AV_OPT_TYPE_COLOR,          { .str = "pink" },                 0,         0, 1 },
    {"cl",         "set channel layout", OFFSET(channel_layout), AV_OPT_TYPE_CHANNEL_LAYOUT, { .i64 = AV_CH_LAYOUT_HEXAGONAL }, 0, INT64_MAX, 1 },
    {"bin",        "set binary value",   OFFSET(binary),         AV_OPT_TYPE_BINARY,         { .str="62696e00" },               0,         0, 1 },
    {"bin1",       "set binary value",   OFFSET(binary1),        AV_OPT_TYPE_BINARY,         { .str=NULL },                     0,         0, 1 },
    {"bin2",       "set binary value",   OFFSET(binary2),        AV_OPT_TYPE_BINARY,         { .str="" },                       0,         0, 1 },
    {"num64",      "set num 64bit",      OFFSET(num64),          AV_OPT_TYPE_INT64,          { .i64 = 1 },                      0,       100, 1 },
    {"flt",        "set float",          OFFSET(flt),            AV_OPT_TYPE_FLOAT,          { .dbl = 1.0 / 3 },                0,       100, 1 },
    {"dbl",        "set double",         OFFSET(dbl),            AV_OPT_TYPE_DOUBLE,         { .dbl = 1.0 / 3 },                0,       100, 1 },
    {"bool1",      "set boolean value",  OFFSET(bool1),          AV_OPT_TYPE_BOOL,           { .i64 = -1 },                    -1,         1, 1 },
    {"bool2",      "set boolean value",  OFFSET(bool2),          AV_OPT_TYPE_BOOL,           { .i64 = 1 },                     -1,         1, 1 },
    {"bool3",      "set boolean value",  OFFSET(bool3),          AV_OPT_TYPE_BOOL,           { .i64 = 0 },                      0,         1, 1 },
    {"dict1",      "set dictionary value", OFFSET(dict1),        AV_OPT_TYPE_DICT,           { .str = NULL},                    0,         0, 1 },
    {"dict2",      "set dictionary value", OFFSET(dict2),        AV_OPT_TYPE_DICT,           { .str = "happy=':-)'"},           0,         0, 1 },
    { NULL },
}

Definition at line 68 of file opt.c.

test_class

const AVClass test_class

static

Initial value:

= {
    .class_name = "TestContext",
    .item_name  = test_get_name,
    .option     = test_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 104 of file opt.c.

Referenced by main().