VLM

VLM is the server core in vlc that allows streaming of multiple media streams at the same time. More...

Collaboration diagram for VLM:

Data Structures
struct	vlm_media_t
	VLM media. More...
struct	vlm_media_instance_t
	VLM media instance. More...
struct	vlm_event_t
struct	vlm_message_t
Modules
	Video On Demand (VOD)
	Video On Demand (VOD) functionality is provided from VLM.
Defines
#define	vlm_New(a)   vlm_New( VLC_OBJECT(a) )
Enumerations
enum	vlm_event_type_e {   VLM_EVENT_MEDIA_ADDED = 0x100, VLM_EVENT_MEDIA_REMOVED, VLM_EVENT_MEDIA_CHANGED, VLM_EVENT_MEDIA_INSTANCE_STARTED = 0x200,   VLM_EVENT_MEDIA_INSTANCE_STOPPED, VLM_EVENT_MEDIA_INSTANCE_STATE }
	VLM events You can catch vlm event by adding a callback on the variable "intf-event" of the VLM object. More...
enum	vlm_query_e {   VLM_GET_MEDIAS, VLM_CLEAR_MEDIAS, VLM_ADD_MEDIA, VLM_DEL_MEDIA,   VLM_CHANGE_MEDIA, VLM_GET_MEDIA, VLM_GET_MEDIA_ID, VLM_GET_MEDIA_INSTANCES,   VLM_CLEAR_MEDIA_INSTANCES, VLM_START_MEDIA_BROADCAST_INSTANCE, VLM_START_MEDIA_VOD_INSTANCE, VLM_STOP_MEDIA_INSTANCE,   VLM_PAUSE_MEDIA_INSTANCE, VLM_GET_MEDIA_INSTANCE_TIME, VLM_SET_MEDIA_INSTANCE_TIME, VLM_GET_MEDIA_INSTANCE_POSITION,   VLM_SET_MEDIA_INSTANCE_POSITION, VLM_CLEAR_SCHEDULES }
	VLM control query. More...
Functions
vlm_t *	vlm_New (vlc_object_t *)
void	vlm_Delete (vlm_t *)
int	vlm_ExecuteCommand (vlm_t *, const char *, vlm_message_t **)
int	vlm_Control (vlm_t *p_vlm, int i_query,...)
vlm_message_t *	vlm_MessageSimpleNew (const char *)
vlm_message_t *	vlm_MessageNew (const char *, const char *,...)
vlm_message_t *	vlm_MessageAdd (vlm_message_t *, vlm_message_t *)
void	vlm_MessageDelete (vlm_message_t *)
static void	vlm_media_Init (vlm_media_t *p_media)
	Initialize a vlm_media_t instance.
static void	vlm_media_Copy (vlm_media_t *restrict p_dst, const vlm_media_t *restrict p_src)
	Copy a vlm_media_t instance into another vlm_media_t instance.
static void	vlm_media_Clean (vlm_media_t *p_media)
	Cleanup and release memory associated with this vlm_media_t instance.
static vlm_media_t *	vlm_media_New (void)
	Allocate a new vlm_media_t instance.
static void	vlm_media_Delete (vlm_media_t *p_media)
	Delete a vlm_media_t instance.
static vlm_media_t *	vlm_media_Duplicate (vlm_media_t *p_src)
	Copy a vlm_media_t instance.
static void	vlm_media_instance_Init (vlm_media_instance_t *p_instance)
	Initialize vlm_media_instance_t.
static void	vlm_media_instance_Clean (vlm_media_instance_t *p_instance)
	Cleanup vlm_media_instance_t.
static vlm_media_instance_t *	vlm_media_instance_New (void)
	Allocate a new vlm_media_instance_t.
static void	vlm_media_instance_Delete (vlm_media_instance_t *p_instance)
	Delete a vlm_media_instance_t.

---

Detailed Description

VLM is the server core in vlc that allows streaming of multiple media streams at the same time.

It provides broadcast, schedule and video on demand features for streaming using several streaming and network protocols.

---

Define Documentation

#define vlm_New

(

a

)

vlm_New( VLC_OBJECT(a) )

Referenced by libvlc_InternalInit().

---

Enumeration Type Documentation

enum vlm_event_type_e

VLM events You can catch vlm event by adding a callback on the variable "intf-event" of the VLM object.

This variable is an address that will hold a vlm_event_t* value.

Enumerator:

VLM_EVENT_MEDIA_ADDED
VLM_EVENT_MEDIA_REMOVED
VLM_EVENT_MEDIA_CHANGED
VLM_EVENT_MEDIA_INSTANCE_STARTED
VLM_EVENT_MEDIA_INSTANCE_STOPPED
VLM_EVENT_MEDIA_INSTANCE_STATE

enum vlm_query_e

VLM control query.

Enumerator:

VLM_GET_MEDIAS
VLM_CLEAR_MEDIAS
VLM_ADD_MEDIA
VLM_DEL_MEDIA
VLM_CHANGE_MEDIA
VLM_GET_MEDIA
VLM_GET_MEDIA_ID
VLM_GET_MEDIA_INSTANCES
VLM_CLEAR_MEDIA_INSTANCES
VLM_START_MEDIA_BROADCAST_INSTANCE
VLM_START_MEDIA_VOD_INSTANCE
VLM_STOP_MEDIA_INSTANCE
VLM_PAUSE_MEDIA_INSTANCE
VLM_GET_MEDIA_INSTANCE_TIME
VLM_SET_MEDIA_INSTANCE_TIME
VLM_GET_MEDIA_INSTANCE_POSITION
VLM_SET_MEDIA_INSTANCE_POSITION
VLM_CLEAR_SCHEDULES

---

Function Documentation

int vlm_Control	(	vlm_t *	p_vlm,
		int	i_query,
			...
	)

References vlm_t::lock, va_end(), va_start(), vlc_mutex_lock(), vlc_mutex_unlock(), VLC_UNUSED, and vlm_vaControlInternal().

void vlm_Delete

(

vlm_t *

)

References vlm_t::i_media, vlm_t::i_schedule, vlm_t::input_state_changed, libvlc_priv(), vlm_t::lock, vlm_t::lock_manage, vlm_t::media, module_unneed, vlm_t::p_libvlc, vod_t::p_module, libvlc_priv_t::p_vlm, vlm_t::p_vod, vlm_t::schedule, TAB_CLEAN, vlm_t::thread, vlm_t::users, vlc_cond_destroy(), vlc_cond_signal(), vlc_join(), vlc_mutex_destroy(), vlc_mutex_lock(), vlc_mutex_unlock(), vlc_object_kill, vlc_object_release, VLC_UNUSED, VLM_CLEAR_MEDIAS, VLM_CLEAR_SCHEDULES, vlm_ControlInternal(), vlm_mutex, and vlm_t::wait_manage.

Referenced by libvlc_InternalCleanup().

int vlm_ExecuteCommand	(	vlm_t *	,
		const char *	,
		vlm_message_t **
	)

References ExecuteCommand(), vlm_t::lock, vlc_mutex_lock(), vlc_mutex_unlock(), and VLC_UNUSED.

Referenced by vlm_New().

static void vlm_media_Clean

(

vlm_media_t *

p_media

)

[inline, static]

Cleanup and release memory associated with this vlm_media_t instance.

You still need to release p_media itself with vlm_media_Delete().

Parameters:

p_media

vlm_media_t to cleanup

References vlm_media_t::b_vod, vlm_media_t::i_input, vlm_media_t::i_option, vlm_media_t::ppsz_input, vlm_media_t::ppsz_option, vlm_media_t::psz_mux, vlm_media_t::psz_name, vlm_media_t::psz_output, TAB_CLEAN, and vlm_media_t::vod.

Referenced by vlm_ControlMediaChange(), vlm_ControlMediaDel(), and vlm_media_Delete().

static void vlm_media_Copy	(	vlm_media_t *restrict	p_dst,
		const vlm_media_t *restrict	p_src
	)			[inline, static]

Copy a vlm_media_t instance into another vlm_media_t instance.

Parameters:

	p_dst	vlm_media_t instance to copy to
	p_src	vlm_media_t instance to copy from

References vlm_media_t::b_enabled, vlm_media_t::b_loop, vlm_media_t::b_vod, vlm_media_t::broadcast, vlm_media_t::i_input, vlm_media_t::i_option, vlm_media_t::id, vlm_media_t::ppsz_input, vlm_media_t::ppsz_option, vlm_media_t::psz_mux, vlm_media_t::psz_name, vlm_media_t::psz_output, strdup(), TAB_APPEND_CAST, and vlm_media_t::vod.

Referenced by vlm_ControlMediaAdd(), vlm_ControlMediaChange(), and vlm_media_Duplicate().

static void vlm_media_Delete

(

vlm_media_t *

p_media

)

[inline, static]

Delete a vlm_media_t instance.

Parameters:

p_media

vlm_media_t instance to delete

References vlm_media_Clean().

static vlm_media_t* vlm_media_Duplicate

(

vlm_media_t *

p_src

)

[inline, static]

Copy a vlm_media_t instance.

Parameters:

p_src

vlm_media_t instance to copy

Returns:

vlm_media_t duplicate of p_src

References vlm_media_Copy(), and vlm_media_New().

Referenced by vlm_ControlMediaGet(), and vlm_ControlMediaGets().

static void vlm_media_Init

(

vlm_media_t *

p_media

)

[inline, static]

Initialize a vlm_media_t instance.

Parameters:

p_media

vlm_media_t instance to initialize

References TAB_INIT.

Referenced by vlm_media_New().

static void vlm_media_instance_Clean

(

vlm_media_instance_t *

p_instance

)

[inline, static]

Cleanup vlm_media_instance_t.

Parameters:

p_instance

vlm_media_instance_t to cleanup

References vlm_media_instance_t::psz_name.

Referenced by vlm_media_instance_Delete().

static void vlm_media_instance_Delete

(

vlm_media_instance_t *

p_instance

)

[inline, static]

Delete a vlm_media_instance_t.

Parameters:

p_instance

vlm_media_instance_t to delete

References vlm_media_instance_Clean().

static void vlm_media_instance_Init

(

vlm_media_instance_t *

p_instance

)

[inline, static]

Initialize vlm_media_instance_t.

Parameters:

p_instance

vlm_media_instance_t to initialize

References vlm_media_instance_t::b_paused, vlm_media_instance_t::d_position, vlm_media_instance_t::i_length, vlm_media_instance_t::i_rate, vlm_media_instance_t::i_time, and vlm_media_instance_t::psz_name.

Referenced by vlm_media_instance_New().

static vlm_media_instance_t* vlm_media_instance_New

(

void

)

[inline, static]

Allocate a new vlm_media_instance_t.

Returns:

a new vlm_media_instance_t

References vlm_media_instance_Init().

Referenced by vlm_ControlMediaInstanceGets().

static vlm_media_t* vlm_media_New

(

void

)

[inline, static]

Allocate a new vlm_media_t instance.

Returns:

vlm_media_t instance

References vlm_media_Init().

Referenced by vlm_media_Duplicate().

vlm_message_t* vlm_MessageAdd	(	vlm_message_t *	,
		vlm_message_t *
	)

References VLC_UNUSED.

void vlm_MessageDelete

(

vlm_message_t *

)

References VLC_UNUSED.

Referenced by Manage(), and vlm_New().

vlm_message_t* vlm_MessageNew	(	const char *	,
		const char *	,
			...
	)

References VLC_UNUSED, and vlm_MessageSimpleNew().

vlm_message_t* vlm_MessageSimpleNew

(

const char *

)

References VLC_UNUSED.

Referenced by vlm_MessageNew().

vlm_t* vlm_New

(

vlc_object_t *

)

References asprintf(), vlm_t::i_id, vlm_t::i_media, vlm_t::i_schedule, vlm_t::input_state_changed, libvlc_priv(), likely, vlm_t::lock, vlm_t::lock_manage, Manage(), vlm_t::media, msg_Dbg, msg_Err, msg_Warn, libvlc_priv_t::p_vlm, vlm_t::p_vod, vlm_t::schedule, TAB_INIT, vlm_t::thread, vlm_t::users, var_Create, var_CreateGetString, vlc_clone(), vlc_cond_destroy(), vlc_cond_init_daytime(), vlc_custom_create, vlc_mutex_destroy(), vlc_mutex_init(), vlc_mutex_lock(), vlc_mutex_unlock(), vlc_object_release, VLC_THREAD_PRIORITY_LOW, VLC_VAR_ADDRESS, vlm_ExecuteCommand(), vlm_MessageDelete(), vlm_mutex, and vlm_t::wait_manage.