scaletempo.c File Reference

Include dependency graph for scaletempo.c:

Data Structures
struct	filter_sys_t
	filter_sys_t: chroma method descriptor More...
Functions
static int	Open (vlc_object_t *)
	Probes and initializes.
static void	Close (vlc_object_t *)
	Releases resources.
static block_t *	DoWork (filter_t *, block_t *)
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static unsigned	best_overlap_offset_float (filter_t *p_filter)
static void	output_overlap_float (filter_t *p_filter, void *buf_out, unsigned bytes_off)
static size_t	fill_queue (filter_t *p_filter, uint8_t *p_buffer, size_t i_buffer, size_t offset)
static size_t	transform_buffer (filter_t *p_filter, uint8_t *p_buffer, size_t i_buffer, uint8_t *pout)
static size_t	calculate_output_buffer_size (filter_t *p_filter, size_t bytes_in)
static int	reinit_buffers (filter_t *p_filter)

---

Function Documentation

static unsigned best_overlap_offset_float

(

filter_t *

p_filter

)

[static]

References filter_sys_t::buf_overlap, filter_sys_t::buf_pre_corr, filter_sys_t::buf_queue, filter_sys_t::bytes_per_frame, i, filter_t::p_sys, filter_sys_t::samples_per_frame, and filter_sys_t::table_window.

Referenced by reinit_buffers().

static size_t calculate_output_buffer_size	(	filter_t *	p_filter,
		size_t	bytes_in
	)			[static]

References filter_sys_t::bytes_per_frame, filter_sys_t::bytes_queue_max, filter_sys_t::bytes_queued, filter_sys_t::bytes_stride, filter_sys_t::bytes_stride_scaled, filter_sys_t::bytes_to_slide, and filter_t::p_sys.

Referenced by DoWork().

static void Close

(

vlc_object_t *

p_this

)

[static]

Releases 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 block_t * DoWork	(	filter_t *	p_filter,
		block_t *	p_in_buf
	)			[static]

References es_format_t::audio, block_Release(), filter_sys_t::bytes_per_frame, filter_sys_t::bytes_stride, filter_sys_t::bytes_stride_scaled, filter_sys_t::bytes_to_slide, calculate_output_buffer_size(), filter_NewAudioBuffer(), filter_t::fmt_in, filter_sys_t::frames_stride_scaled, block_t::i_buffer, block_t::i_length, block_t::i_nb_samples, block_t::i_pts, audio_format_t::i_rate, msg_Dbg, block_t::p_buffer, filter_t::p_sys, filter_sys_t::sample_rate, filter_sys_t::scale, and transform_buffer().

static size_t fill_queue	(	filter_t *	p_filter,
		uint8_t *	p_buffer,
		size_t	i_buffer,
		size_t	offset
	)			[static]

References __MIN, filter_sys_t::buf_queue, filter_sys_t::bytes_queue_max, filter_sys_t::bytes_queued, filter_sys_t::bytes_to_slide, and filter_t::p_sys.

Referenced by transform_buffer().

static int Open

(

vlc_object_t *

p_this

)

[static]

Probes and initializes.

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 void output_overlap_float	(	filter_t *	p_filter,
		void *	buf_out,
		unsigned	bytes_off
	)			[static]

References filter_sys_t::buf_overlap, filter_sys_t::buf_queue, i, filter_t::p_sys, filter_sys_t::samples_overlap, and filter_sys_t::table_blend.

Referenced by reinit_buffers().

static int reinit_buffers

(

filter_t *

p_filter

)

[static]

References __MIN, filter_sys_t::best_overlap_offset, best_overlap_offset_float(), filter_sys_t::buf_overlap, filter_sys_t::buf_pre_corr, filter_sys_t::buf_queue, filter_sys_t::bytes_overlap, filter_sys_t::bytes_per_frame, filter_sys_t::bytes_per_sample, filter_sys_t::bytes_queue_max, filter_sys_t::bytes_queued, filter_sys_t::bytes_standing, filter_sys_t::bytes_stride, filter_sys_t::bytes_stride_scaled, filter_sys_t::bytes_to_slide, filter_sys_t::frames_search, filter_sys_t::frames_stride_scaled, i, filter_sys_t::ms_search, filter_sys_t::ms_stride, msg_Dbg, filter_sys_t::output_overlap, output_overlap_float(), filter_t::p_sys, filter_sys_t::percent_overlap, filter_sys_t::sample_rate, filter_sys_t::samples_overlap, filter_sys_t::samples_per_frame, filter_sys_t::samples_standing, filter_sys_t::scale, filter_sys_t::table_blend, filter_sys_t::table_window, VLC_ENOMEM, VLC_OBJECT, and VLC_SUCCESS.

static size_t transform_buffer	(	filter_t *	p_filter,
		uint8_t *	p_buffer,
		size_t	i_buffer,
		uint8_t *	pout
	)			[static]

References filter_sys_t::best_overlap_offset, filter_sys_t::buf_overlap, filter_sys_t::buf_queue, filter_sys_t::bytes_overlap, filter_sys_t::bytes_per_frame, filter_sys_t::bytes_queue_max, filter_sys_t::bytes_queued, filter_sys_t::bytes_standing, filter_sys_t::bytes_stride, filter_sys_t::bytes_to_slide, fill_queue(), filter_sys_t::frames_stride_error, filter_sys_t::frames_stride_scaled, filter_sys_t::output_overlap, and filter_t::p_sys.

Referenced by DoWork().

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)