headphone.c File Reference

Include dependency graph for headphone.c:


Data Structures
struct	atomic_operation_t
struct	filter_sys_t
	filter_sys_t: chroma method descriptor More...
Defines
#define	MODULE_DESCRIPTION
#define	HEADPHONE_DIM_TEXT N_("Characteristic dimension")
#define	HEADPHONE_DIM_LONGTEXT
#define	HEADPHONE_COMPENSATE_TEXT N_("Compensate delay")
#define	HEADPHONE_COMPENSATE_LONGTEXT
#define	HEADPHONE_DOLBY_TEXT N_("No decoding of Dolby Surround")
#define	HEADPHONE_DOLBY_LONGTEXT
Functions
static int	OpenFilter (vlc_object_t *)
static void	CloseFilter (vlc_object_t *)
static block_t *	Convert (filter_t , block_t )
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static void	ComputeChannelOperations (struct filter_sys_t *p_data, unsigned int i_rate, unsigned int i_next_atomic_operation, int i_source_channel_offset, double d_x, double d_z, double d_compensation_length, double d_channel_amplitude_factor)
static int	Init (vlc_object_t p_this, struct filter_sys_t p_data, unsigned int i_nb_channels, uint32_t i_physical_channels, unsigned int i_rate)
static void	DoWork (filter_t p_filter, aout_buffer_t p_in_buf, aout_buffer_t *p_out_buf)

Define Documentation

#define HEADPHONE_COMPENSATE_LONGTEXT

Value:

N_( \
     "The delay which is introduced by the physical algorithm may "\
     "sometimes be disturbing for the synchronization between lips-movement "\
     "and speech. In case, turn this on to compensate.")

#define HEADPHONE_COMPENSATE_TEXT N_("Compensate delay")

#define HEADPHONE_DIM_LONGTEXT

Value:

N_( \
     "Distance between front left speaker and listener in meters.")

#define HEADPHONE_DIM_TEXT N_("Characteristic dimension")

#define HEADPHONE_DOLBY_LONGTEXT

Value:

N_( \
     "Dolby Surround encoded streams won't be decoded before being " \
     "processed by this filter. Enabling this setting is not recommended.")

#define HEADPHONE_DOLBY_TEXT N_("No decoding of Dolby Surround")

#define MODULE_DESCRIPTION

Value:

N_ ( \
     "This effect gives you the feeling that you are standing in a room " \
     "with a complete 7.1 speaker set when using only a headphone, " \
     "providing a more realistic sound experience. It should also be " \
     "more comfortable and less tiring when listening to music for " \
     "long periods of time.\nIt works with any source format from mono " \
     "to 7.1.")

Function Documentation

static void CloseFilter ( vlc_object_t * p_this ) [static]

References filter_sys_t::p_atomic_operations, filter_sys_t::p_overflow_buffer, and filter_t::p_sys.

static void ComputeChannelOperations	(	struct filter_sys_t *	p_data,
		unsigned int	i_rate,
		unsigned int	i_next_atomic_operation,
		int	i_source_channel_offset,
		double	d_x,
		double	d_z,
		double	d_compensation_length,
		double	d_channel_amplitude_factor
	)			`[static]`

References atomic_operation_t::d_amplitude_factor, atomic_operation_t::i_delay, atomic_operation_t::i_dest_channel_offset, atomic_operation_t::i_source_channel_offset, and filter_sys_t::p_atomic_operations.

Referenced by Init().

static block_t * Convert	(	filter_t *	p_filter,
		block_t *	p_block
	)			`[static]`

References aout_FormatNbChannels(), es_format_t::audio, block_Release(), DoWork(), filter_NewAudioBuffer(), filter_t::fmt_out, audio_format_t::i_bitspersample, block_t::i_dts, block_t::i_length, block_t::i_nb_samples, block_t::i_pts, and msg_Warn.

Referenced by Decode(), and OpenFilter().

static void DoWork	(	filter_t *	p_filter,
		aout_buffer_t *	p_in_buf,
		aout_buffer_t *	p_out_buf
	)			`[static]`

References aout_FormatNbChannels(), es_format_t::audio, atomic_operation_t::d_amplitude_factor, filter_t::fmt_in, filter_t::fmt_out, i, block_t::i_buffer, atomic_operation_t::i_delay, atomic_operation_t::i_dest_channel_offset, filter_sys_t::i_nb_atomic_operations, block_t::i_nb_samples, filter_sys_t::i_overflow_buffer_size, atomic_operation_t::i_source_channel_offset, filter_sys_t::p_atomic_operations, block_t::p_buffer, filter_sys_t::p_overflow_buffer, filter_t::p_sys, and p_sys.

static int Init	(	vlc_object_t *	p_this,
		struct filter_sys_t *	p_data,
		unsigned int	i_nb_channels,
		uint32_t	i_physical_channels,
		unsigned int	i_rate
	)			`[static]`

References AOUT_CHAN_CENTER, AOUT_CHAN_LEFT, AOUT_CHAN_LFE, AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT, AOUT_CHAN_REARCENTER, AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, AOUT_CHAN_RIGHT, ComputeChannelOperations(), i, atomic_operation_t::i_delay, filter_sys_t::i_nb_atomic_operations, filter_sys_t::i_overflow_buffer_size, atomic_operation_t::i_source_channel_offset, filter_sys_t::p_atomic_operations, filter_sys_t::p_overflow_buffer, and var_InheritInteger.

int vlc_entry__main ( module_t * p_module )

const char* vlc_entry_license__main ( void )

headphone.c File Reference

Data Structures

Defines

Functions

Define Documentation

Function Documentation