base_filter_example.c File Reference

#include <gpac/filters.h>
#include <gpac/list.h>

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Data Structures
struct	GF_BaseFilterExample

Macros
#define	OFFS(_n)   #_n, offsetof(GF_BaseFilterExample, _n)

Functions
static void	example_filter_finalize (GF_Filter *filter)
static GF_Err	example_filter_process (GF_Filter *filter)
static GF_Err	example_filter_config_input (GF_Filter *filter, GF_FilterPid *pid, Bool is_remove)
static GF_Err	example_filter_update_arg (GF_Filter *filter, const char *arg_name, const GF_PropertyValue *arg_val)
GF_Err	example_filter_initialize (GF_Filter *filter)
const GF_FilterRegister *	ex_filter_register (GF_FilterSession *session, Bool load_meta_filters)

Variables
static const GF_FilterArgs	ExampleFilterArgs []
static const GF_FilterCapability	ExampleFilterInputs []
static const GF_FilterCapability	ExampleFilterOutputs []
const GF_FilterRegister	ExampleFilterRegister

---

Data Structure Documentation

GF_BaseFilterExample

struct GF_BaseFilterExample

Data Fields
u32	opt1
Bool	opt2
GF_FilterPid *	src_pid
GF_FilterPid *	dst_pid

Macro Definition Documentation

OFFS

#define OFFS

(

_n

)

#_n, offsetof(GF_BaseFilterExample, _n)

Function Documentation

example_filter_finalize()

static void example_filter_finalize ( GF_Filter *  filter )

static

example_filter_process()

static GF_Err example_filter_process ( GF_Filter *  filter )

static

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example_filter_config_input()

static GF_Err example_filter_config_input ( GF_Filter *  filter, GF_FilterPid *  pid, Bool  is_remove  )

static

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example_filter_update_arg()

static GF_Err example_filter_update_arg ( GF_Filter *  filter, const char *  arg_name, const GF_PropertyValue *  arg_val  )

static

example_filter_initialize()

GF_Err example_filter_initialize

(

GF_Filter *

filter

)

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ex_filter_register()

const GF_FilterRegister* ex_filter_register	(	GF_FilterSession *	session,
		Bool	load_meta_filters
	)

Variable Documentation

ExampleFilterArgs

const GF_FilterArgs ExampleFilterArgs[]

static

Initial value:

=
{
        
        { OFFS(opt1), "Example option 1", GF_PROP_UINT, "v1", "v1|v2|v3", GF_FALSE},
        { OFFS(opt2), "Example option 2", GF_PROP_BOOL, "false", NULL, GF_FALSE},
        { NULL }
}

ExampleFilterInputs

const GF_FilterCapability ExampleFilterInputs[]

static

Initial value:

=
{
        { .cap_string="cust", .val=PROP_NAME("myformat")  },
        { NULL }
}

ExampleFilterOutputs

const GF_FilterCapability ExampleFilterOutputs[]

static

Initial value:

=
{
        {GF_4CC('c','u','s','t'), PROP_UINT(10) },
        { NULL }
}

ExampleFilterRegister

const GF_FilterRegister ExampleFilterRegister

Initial value:

= {
        .name = "ExampleFilter",
        .description = "Example Test Filter, not used",
        .private_size = sizeof(GF_BaseFilterExample),
        .input_caps = ExampleFilterInputs,
        .output_caps = ExampleFilterOutputs,
        .args = ExampleFilterArgs,
        .initialize = example_filter_initialize,
        .finalize = example_filter_finalize,
        .process = example_filter_process,
        .configure_pid = example_filter_config_input,
        .update_arg = example_filter_update_arg
}