smf.c File Reference

Include dependency graph for smf.c:

Data Structures
struct	smf_track_t
struct	demux_sys_t
Defines
#define	TEMPO_MIN   20
#define	TEMPO_MAX   250
Typedefs
typedef struct smf_track_t	mtrk_t
Functions
static int	Open (vlc_object_t *)
	Probes and initializes.
static void	Close (vlc_object_t *p_this)
	Releases allocate resources.
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static int	Demux (demux_t *)
static int	Control (demux_t *, int i_query, va_list args)
static int	ReadDeltaTime (stream_t *s, mtrk_t *track)
	Reads (delta) time from the next event of a given track.
static int32_t	ReadVarInt (stream_t *s)
	Reads MIDI variable length (7, 14, 21 or 28 bits) integer.
static int	HandleMeta (demux_t *p_demux, mtrk_t *tr)
	Non-MIDI Meta events handler.
static int	HandleMessage (demux_t *p_demux, mtrk_t *tr)

---

Define Documentation

#define TEMPO_MAX   250

Referenced by HandleMeta().

#define TEMPO_MIN   20

Referenced by HandleMeta().

---

Typedef Documentation

typedef struct smf_track_t mtrk_t

---

Function Documentation

static void Close

(

vlc_object_t *

p_this

)

[static]

Releases allocate resources.

Close the module.

Destroys the X11 window.

Disconnect from the X server.

Close a SDL video output.

It destroys an OpenGL vout display.

Terminate a vout display created by Open.

It destroyes a Direct3D vout display.

Terminate an output method created by Open.

Release the drawable.

Close a libcaca video output.

Close a aa video output method.

Close the filter.

Terminate a splitter module.

This function closes a clone video splitter module.

Common close function.

Releases allocate resources.

Close: Destructor.

Parameters:

	p_this	pointer to this filter object
	p_this,:	the filter object

static int Control	(	demux_t *	p_demux,
		int	i_query,
		va_list	args
	)			[static]

References date_Get(), DEMUX_GET_LENGTH, DEMUX_GET_POSITION, DEMUX_GET_TIME, DEMUX_SET_POSITION, DEMUX_SET_TIME, demux_t::p_sys, demux_sys_t::pts, and VLC_EGENERIC.

static int Demux

(

demux_t *

p_demux

)

[static]

References block_New, date_Get(), date_Increment(), demux_sys_t::es, es_out_Control(), es_out_Send(), ES_OUT_SET_PCR, HandleMessage(), i, block_t::i_dts, block_t::i_pts, msg_Err, smf_track_t::next, demux_t::out, block_t::p_buffer, demux_t::p_sys, demux_sys_t::pts, demux_sys_t::pulse, ReadDeltaTime(), demux_t::s, demux_sys_t::trackc, demux_sys_t::trackv, VLC_EGENERIC, and VLC_TS_0.

static int HandleMessage	(	demux_t *	p_demux,
		mtrk_t *	tr
	)			[static]

References block_New, block_Realloc(), date_Get(), demux_sys_t::es, es_out_Send(), HandleMeta(), block_t::i_dts, block_t::i_pts, msg_Err, smf_track_t::offset, demux_t::out, block_t::p_buffer, demux_t::p_sys, demux_sys_t::pts, ReadVarInt(), smf_track_t::running_event, demux_t::s, stream_Block(), stream_Read(), stream_Seek(), stream_Tell(), and VLC_TS_0.

Referenced by Demux().

static int HandleMeta	(	demux_t *	p_demux,
		mtrk_t *	tr
	)			[static]

Non-MIDI Meta events handler.

References date_Change(), smf_track_t::end, EnsureUTF8(), msg_Dbg, msg_Err, msg_Info, msg_Warn, demux_t::p_sys, demux_sys_t::ppqn, demux_sys_t::pts, ReadVarInt(), demux_t::s, stream_Read(), stream_Tell(), TEMPO_MAX, and TEMPO_MIN.

Referenced by HandleMessage().

static int Open

(

vlc_object_t *

p_this

)

[static]

Probes and initializes.

Status of this demuxer: Real Media format -----------------.

Basic chorus/flanger/delay audio filter This implements a variable delay filter for VLC.

Todo:

• Improve CDDB support (non-blocking, cache, .

Open the module.

Create an X11 window.

Probe the X server.

This function initializes SDL vout method.

It creates an OpenGL vout display.

This function allocates and initialize the DirectX vout display.

It creates a Direct3D vout display.

This function allocates and initializes a FB vout method.

Find the drawable set by libvlc application.

This function initializes libcaca vout method.

This function allocates and initializes a aa vout method.

This function allocates and initializes a Wall splitter module.

Open the filter.

This function allocates and initializes a Clone splitter module.

Open: initialize and create stuff.

Connect to the sftp server and ask for a file.

Parameters:

p_this,:

the vlc_object

Returns:

VLC_SUCCESS if everything was fine

Parameters:

	p_this
	p_this,:	the filter object

Returns:

VLC_SUCCESS or vlc error codes

Todo:

Reinstate meta codec name

static int ReadDeltaTime	(	stream_t *	s,
		mtrk_t *	track
	)			[static]

Reads (delta) time from the next event of a given track.

Parameters:

s

stream to read data from (must be positioned at the right offset)

References smf_track_t::end, smf_track_t::next, smf_track_t::offset, ReadVarInt(), and stream_Tell().

Referenced by Demux().

static int32_t ReadVarInt

(

stream_t *

s

)

[static]

Reads MIDI variable length (7, 14, 21 or 28 bits) integer.

Returns:

read value, or -1 on EOF/error.

References i, and stream_Read().

Referenced by HandleMessage(), HandleMeta(), and ReadDeltaTime().

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)