Include dependency graph for output.c:

Data Structures
struct	aout_dev

Functions
static int	var_Copy (vlc_object_t src, const char name, vlc_value_t prev, vlc_value_t value, void *data)

static int	var_CopyDevice (vlc_object_t src, const char name, vlc_value_t prev, vlc_value_t value, void *data)

static void	aout_TimingNotify (audio_output_t *aout, vlc_tick_t system_ts, vlc_tick_t audio_ts)

static void	aout_VolumeNotify (audio_output_t *aout, float volume)
	Supply or update the current custom ("hardware") volume. More...

static void	aout_MuteNotify (audio_output_t *aout, bool mute)

static void	aout_PolicyNotify (audio_output_t *aout, bool cork)

static void	aout_DeviceNotify (audio_output_t aout, const char id)

static void	aout_HotplugNotify (audio_output_t aout, const char id, const char *name)

static void	aout_RestartNotify (audio_output_t *aout, unsigned mode)

static int	aout_GainNotify (audio_output_t *aout, float gain)

static int	FilterCallback (vlc_object_t obj, const char var, vlc_value_t prev, vlc_value_t cur, void *data)

static int	StereoModeCallback (vlc_object_t obj, const char varname, vlc_value_t oldval, vlc_value_t newval, void *data)

static void	aout_ChangeViewpoint (audio_output_t , const vlc_viewpoint_t )

static int	ViewpointCallback (vlc_object_t obj, const char var, vlc_value_t prev, vlc_value_t cur, void *data)

audio_output_t *	aout_New (vlc_object_t *parent)
	Creates an audio output object and initializes an output module. More...

audio_output_t *	aout_Hold (audio_output_t *aout)

void	aout_Destroy (audio_output_t *aout)
	Deinitializes an audio output module and destroys an audio output object. More...

void	aout_Release (audio_output_t *aout)

static void	aout_PrepareStereoMode (audio_output_t aout, audio_sample_format_t restrict fmt, aout_filters_cfg_t *filters_cfg, audio_channel_type_t input_chan_type, unsigned i_nb_input_channels)

int	aout_OutputNew (audio_output_t *aout)
	Starts an audio output stream. More...

void	aout_OutputDelete (audio_output_t *aout)
	Stops the audio output stream (undoes aout_OutputNew()). More...

float	aout_VolumeGet (audio_output_t *aout)
	Gets the volume of the audio output stream (independent of mute). More...

int	aout_VolumeSet (audio_output_t *aout, float vol)
	Sets the volume of the audio output stream. More...

int	aout_VolumeUpdate (audio_output_t aout, int value, float volp)
	Raises the volume. More...

int	aout_MuteGet (audio_output_t *aout)
	Gets the audio output stream mute flag. More...

int	aout_MuteSet (audio_output_t *aout, bool mute)
	Sets the audio output stream mute flag. More...

char *	aout_DeviceGet (audio_output_t *aout)
	Gets the currently selected device. More...

int	aout_DeviceSet (audio_output_t aout, const char id)
	Selects an audio output device. More...

int	aout_DevicesList (audio_output_t aout, char ids, char *names)
	Enumerates possible audio output devices. More...

Variables
static const struct vlc_audio_output_events	aout_events

Function Documentation

◆ aout_ChangeViewpoint()

static void aout_ChangeViewpoint	(	audio_output_t *	aout,
		const vlc_viewpoint_t *	p_viewpoint
	)

static

References aout_owner(), aout_owner_t::lock, aout_owner_t::update, aout_owner_t::value, vlc_mutex_lock(), vlc_mutex_unlock(), and aout_owner_t::vp.

Referenced by StereoModeCallback(), and ViewpointCallback().

◆ aout_Destroy()

void aout_Destroy ( audio_output_t * aout )

Deinitializes an audio output module and destroys an audio output object.

References aout_owner(), aout_Release(), audio_output::device_select, FilterCallback(), aout_owner_t::lock, aout_owner_t::module, module_unneed, audio_output::mute_set, StereoModeCallback(), var_Copy(), var_CopyDevice(), var_DelCallback(), var_SetFloat(), ViewpointCallback(), vlc_mutex_lock(), vlc_mutex_unlock(), vlc_object_parent, and audio_output::volume_set.

Referenced by input_resource_PutAout(), and input_resource_Release().

◆ aout_DeviceNotify()

static void aout_DeviceNotify	(	audio_output_t *	aout,
		const char *	id
	)

static

References var_SetString().

◆ aout_GainNotify()

static int aout_GainNotify	(	audio_output_t *	aout,
		float	gain
	)

static

References aout_owner(), aout_volume_SetVolume(), aout_owner_t::lock, vlc_mutex_assert, and aout_owner_t::volume.

◆ aout_HotplugNotify()

static void aout_HotplugNotify	(	audio_output_t *	aout,
		const char *	id,
		const char *	name
	)

static

References aout_owner(), aout_owner_t::count, aout_owner_t::dev, aout_dev::id, aout_owner_t::list, aout_owner_t::lock, aout_dev::name, aout_dev::next, strdup(), unlikely, vlc_mutex_lock(), and vlc_mutex_unlock().

◆ aout_MuteNotify()

static void aout_MuteNotify	(	audio_output_t *	aout,
		bool	mute
	)

static

References var_SetBool().

◆ aout_New()

audio_output_t* aout_New ( vlc_object_t * parent )

Creates an audio output object and initializes an output module.

References _, aout_events, aout_owner(), config_FindConfig(), aout_owner_t::dev, audio_output::device_select, audio_output::events, FilterCallback(), likely, module_config_t::list, module_config_t::list_count, module_config_t::list_text, aout_owner_t::lock, aout_owner_t::module, module_exists(), module_need_var, msg_Err, audio_output::mute_set, module_config_t::psz, vlc_value_t::psz_string, aout_owner_t::refs, aout_owner_t::requested_stereo_mode, audio_output::start, StereoModeCallback(), audio_output::stop, unlikely, aout_owner_t::update, aout_owner_t::value, var_AddCallback(), var_Change(), var_Copy(), var_CopyDevice(), var_Create(), var_GetInteger(), var_GetNonEmptyString(), var_SetString(), ViewpointCallback(), vlc_custom_create, vlc_gettext(), vlc_mutex_init(), vlc_object_delete, VLC_VAR_ADDCHOICE, VLC_VAR_ADDRESS, VLC_VAR_BOOL, VLC_VAR_DOINHERIT, VLC_VAR_FLOAT, VLC_VAR_INTEGER, VLC_VAR_SETTEXT, VLC_VAR_STRING, vlc_viewpoint_init(), audio_output::volume_set, and aout_owner_t::vp.

◆ aout_OutputDelete()

void aout_OutputDelete ( audio_output_t * aout )

Stops the audio output stream (undoes aout_OutputNew()).

Note: This can only be called after a successful aout_OutputNew().

Warning: The caller must NOT hold the audio output lock.

References aout_owner(), aout_owner_t::lock, audio_output::stop, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by aout_CheckReady(), aout_DecDelete(), and aout_DecNew().

◆ aout_OutputNew()

int aout_OutputNew ( audio_output_t * aout )

Starts an audio output stream.

Parameters

output_codec codec accepted by the module, it can be different than the codec from the mixer_format in case of DTSHD/DTS or EAC3/AC3 fallback

Warning: The caller must NOT hold the audio output lock.

References AOUT_CHAN_CENTER, AOUT_CHANS_7_1, AOUT_CHANS_STEREO, AOUT_FMT_LINEAR, aout_FormatNbChannels(), aout_FormatPrepare(), aout_FormatPrint, aout_owner(), aout_PrepareStereoMode(), aout_SetWavePhysicalChannels(), AOUT_VAR_CHAN_LEFT, AOUT_VAR_CHAN_RIGHT, ARRAY_SIZE, AUDIO_CHANNEL_TYPE_AMBISONICS, AUDIO_CHANNEL_TYPE_BITMAP, audio_format_t::channel_type, audio_output::current_sink_info, aout_owner_t::filter_format, aout_owner_t::filters_cfg, audio_output::flush, audio_output::headphones, audio_format_t::i_bitspersample, audio_format_t::i_bytes_per_frame, audio_format_t::i_channels, audio_format_t::i_format, audio_format_t::i_frame_length, audio_format_t::i_physical_channels, aout_owner_t::input_profile, aout_owner_t::lock, aout_owner_t::mixer_format, msg_Err, audio_output::pause, audio_output::play, aout_owner_t::requested_stereo_mode, audio_output::start, audio_output::time_get, VLC_CODEC_A52, VLC_CODEC_DTS, VLC_CODEC_DTSHD, VLC_CODEC_EAC3, VLC_CODEC_FL32, VLC_CODEC_S16N, VLC_EGENERIC, vlc_mutex_lock(), vlc_mutex_unlock(), and VLC_SUCCESS.

Referenced by aout_CheckReady(), and aout_DecNew().

◆ aout_PolicyNotify()

static void aout_PolicyNotify	(	audio_output_t *	aout,
		bool	cork
	)

static

References var_DecInteger(), var_IncInteger(), and vlc_object_parent.

◆ aout_PrepareStereoMode()

static void aout_PrepareStereoMode	(	audio_output_t *	aout,
		audio_sample_format_t *restrict	fmt,
		aout_filters_cfg_t *	filters_cfg,
		audio_channel_type_t	input_chan_type,
		unsigned	i_nb_input_channels
	)

static

◆ aout_RestartNotify()

static void aout_RestartNotify	(	audio_output_t *	aout,
		unsigned	mode
	)

static

References aout_RequestRestart().

◆ aout_TimingNotify()

static void aout_TimingNotify	(	audio_output_t *	aout,
		vlc_tick_t	system_ts,
		vlc_tick_t	audio_ts
	)

static

References aout_RequestRetiming().

◆ aout_VolumeNotify()

static void aout_VolumeNotify	(	audio_output_t *	aout,
		float	volume
	)

static

Supply or update the current custom ("hardware") volume.

Parameters

volume current custom volume

Warning: The caller (i.e. the audio output plug-in) is responsible for interlocking and synchronizing call to this function and to the audio_output_t.volume_set callback. This ensures that VLC gets correct volume information (possibly with a latency).

References var_SetFloat().

◆ FilterCallback()

static int FilterCallback	(	vlc_object_t *	obj,
		const char *	var,
		vlc_value_t	prev,
		vlc_value_t	cur,
		void *	data
	)

static

References aout_InputRequestRestart(), vlc_value_t::psz_string, and VLC_SUCCESS.

Referenced by aout_Destroy(), and aout_New().

◆ StereoModeCallback()

static int StereoModeCallback	(	vlc_object_t *	obj,
		const char *	varname,
		vlc_value_t	oldval,
		vlc_value_t	newval,
		void *	data
	)

static

References aout_ChangeViewpoint(), aout_owner(), AOUT_RESTART_STEREOMODE, aout_RestartRequest(), vlc_value_t::i_int, aout_owner_t::lock, aout_owner_t::requested_stereo_mode, vlc_mutex_lock(), and vlc_mutex_unlock().

Referenced by aout_Destroy(), and aout_New().

◆ var_Copy()

static int var_Copy	(	vlc_object_t *	src,
		const char *	name,
		vlc_value_t	prev,
		vlc_value_t	value,
		void *	data
	)

static

References var_Set().

Referenced by aout_Destroy(), and aout_New().

◆ var_CopyDevice()

static int var_CopyDevice	(	vlc_object_t *	src,
		const char *	name,
		vlc_value_t	prev,
		vlc_value_t	value,
		void *	data
	)

static

References var_Set().

Referenced by aout_Destroy(), and aout_New().

◆ ViewpointCallback()

static int ViewpointCallback	(	vlc_object_t *	obj,
		const char *	var,
		vlc_value_t	prev,
		vlc_value_t	cur,
		void *	data
	)

static

References aout_ChangeViewpoint(), vlc_value_t::p_address, and VLC_SUCCESS.

Referenced by aout_Destroy(), and aout_New().

Variable Documentation

◆ aout_events

const struct vlc_audio_output_events aout_events

static

Initial value:

= {
    aout_TimingNotify,
    aout_VolumeNotify,
    aout_MuteNotify,
    aout_PolicyNotify,
    aout_DeviceNotify,
    aout_HotplugNotify,
    aout_RestartNotify,
    aout_GainNotify,
}

Referenced by aout_New().

Data Structures

Functions

Variables

Function Documentation

◆ aout_ChangeViewpoint()

◆ aout_Destroy()

◆ aout_DeviceNotify()

◆ aout_GainNotify()

◆ aout_HotplugNotify()

◆ aout_MuteNotify()

◆ aout_New()

◆ aout_OutputDelete()

◆ aout_OutputNew()

◆ aout_PolicyNotify()

◆ aout_PrepareStereoMode()

◆ aout_RestartNotify()

◆ aout_TimingNotify()

◆ aout_VolumeNotify()

◆ FilterCallback()

◆ StereoModeCallback()

◆ var_Copy()

◆ var_CopyDevice()

◆ ViewpointCallback()

Variable Documentation

◆ aout_events