Include dependency graph for dec.c:

Functions
int	aout_DecNew (audio_output_t p_aout, const audio_sample_format_t p_format, const audio_replay_gain_t p_replay_gain, const aout_request_vout_t p_request_vout)
	Creates an audio output.
void	aout_DecDelete (audio_output_t *aout)
	Stops all plugins involved in the audio output.
static int	aout_CheckReady (audio_output_t *aout)
void	aout_RequestRestart (audio_output_t *aout, unsigned mode)
	Marks the audio output for restart, to update any parameter of the output plug-in (e.g.
block_t *	aout_DecNewBuffer (audio_output_t *aout, size_t samples)
void	aout_DecDeleteBuffer (audio_output_t aout, block_t block)
static void	aout_StopResampling (audio_output_t *aout)
static void	aout_DecSilence (audio_output_t *aout, mtime_t length, mtime_t pts)
static void	aout_DecSynchronize (audio_output_t *aout, mtime_t dec_pts, int input_rate)
int	aout_DecPlay (audio_output_t aout, block_t block, int input_rate)
int	aout_DecGetResetLost (audio_output_t *aout)
void	aout_DecChangePause (audio_output_t *aout, bool paused, mtime_t date)
void	aout_DecFlush (audio_output_t *aout)
bool	aout_DecIsEmpty (audio_output_t *aout)

Function Documentation

static int aout_CheckReady ( audio_output_t * aout )

static

void aout_DecChangePause	(	audio_output_t *	aout,
		bool	paused,
		mtime_t	date
	)

References aout_OutputLock(), aout_OutputPause(), aout_OutputUnlock(), aout_owner(), aout_owner_t::end, audio_format_t::i_format, aout_owner_t::mixer_format, aout_owner_t::sync, and VLC_TS_INVALID.

Referenced by aout_new_buffer(), and DecoderOutputChangePause().

void aout_DecDelete ( audio_output_t * aout )

Stops all plugins involved in the audio output.

References aout_FiltersDelete(), aout_OutputDelete(), aout_OutputLock(), aout_OutputUnlock(), aout_owner(), aout_volume_Delete(), audio_format_t::i_format, aout_owner_t::mixer_format, var_Destroy, and aout_owner_t::volume.

Referenced by aout_new_buffer(), and DeleteDecoder().

void aout_DecDeleteBuffer	(	audio_output_t *	aout,
		block_t *	block
	)

References block_Release().

Referenced by DecoderDecodeAudio().

void aout_DecFlush ( audio_output_t * aout )

References aout_OutputFlush(), aout_OutputLock(), aout_OutputUnlock(), aout_owner(), aout_owner_t::end, audio_format_t::i_format, aout_owner_t::mixer_format, aout_owner_t::sync, and VLC_TS_INVALID.

Referenced by DecoderDecodeAudio(), DecoderProcessAudio(), and DeleteDecoder().

int aout_DecGetResetLost ( audio_output_t * aout )

References aout_owner(), and aout_owner_t::buffers_lost.

Referenced by DecoderPlayAudio().

bool aout_DecIsEmpty ( audio_output_t * aout )

References aout_OutputFlush(), aout_OutputLock(), aout_OutputUnlock(), aout_owner(), aout_owner_t::end, audio_format_t::i_format, mdate(), aout_owner_t::mixer_format, aout_owner_t::sync, and VLC_TS_INVALID.

Referenced by input_DecoderIsEmpty().

int aout_DecNew	(	audio_output_t *	p_aout,
		const audio_sample_format_t *	p_format,
		const audio_replay_gain_t *	p_replay_gain,
		const aout_request_vout_t *	p_request_vout
	)

block_t* aout_DecNewBuffer	(	audio_output_t *	aout,
		size_t	samples
	)

References aout_owner(), block_Alloc(), audio_format_t::i_bytes_per_frame, audio_format_t::i_frame_length, block_t::i_length, block_t::i_nb_samples, block_t::i_pts, aout_owner_t::input_format, and likely.

Referenced by aout_new_buffer().

int aout_DecPlay	(	audio_output_t *	aout,
		block_t *	block,
		int	input_rate
	)

static void aout_DecSilence	(	audio_output_t *	aout,
		mtime_t	length,
		mtime_t	pts
	)

static

References AOUT_FMT_SPDIF, aout_OutputPlay(), aout_owner(), block_Alloc(), CLOCK_FREQ, block_t::i_buffer, audio_format_t::i_bytes_per_frame, block_t::i_dts, block_t::i_length, block_t::i_nb_samples, block_t::i_pts, audio_format_t::i_rate, aout_owner_t::mixer_format, msg_Dbg, block_t::p_buffer, and unlikely.

Referenced by aout_DecSynchronize().

static void aout_DecSynchronize	(	audio_output_t *	aout,
		mtime_t	dec_pts,
		int	input_rate
	)

static

Depending on the drift between the actual and intended playback times, the audio core may ignore the drift, trigger upsampling or downsampling, insert silence or even discard samples. Future VLC versions may instead adjust the input rate.

The audio output plugin is responsible for estimating its actual playback time, or rather the estimated time when the next sample will be played. (The actual playback time is always the current time, that is to say mdate(). It is not an useful statistic.)

Most audio output plugins can estimate the delay until playback of the next sample to be written to the buffer, or equally the time until all samples in the buffer will have been played. Then: pts = mdate() + delay

References aout_DecSilence(), aout_FiltersAdjustResampling(), AOUT_MAX_PTS_ADVANCE, AOUT_MAX_PTS_DELAY, aout_OutputFlush(), aout_OutputTimeGet(), aout_owner(), AOUT_RESAMPLING_DOWN, AOUT_RESAMPLING_NONE, AOUT_RESAMPLING_UP, aout_StopResampling(), aout_owner_t::discontinuity, aout_owner_t::end, INPUT_RATE_DEFAULT, mdate(), msg_Dbg, msg_Warn, aout_owner_t::resamp_start_drift, aout_owner_t::resamp_type, aout_owner_t::sync, and VLC_TS_INVALID.

Referenced by aout_DecPlay().

void aout_RequestRestart	(	audio_output_t *	aout,
		unsigned	mode
	)

Marks the audio output for restart, to update any parameter of the output plug-in (e.g.

output device or channel mapping).

References aout_owner(), msg_Dbg, and aout_owner_t::restart.

Referenced by aout_InputRequestRestart(), and aout_RestartNotify().

static void aout_StopResampling ( audio_output_t * aout )

static

References aout_FiltersAdjustResampling(), aout_owner(), AOUT_RESAMPLING_NONE, aout_owner_t::resamp_type, and aout_owner_t::sync.

Referenced by aout_DecSynchronize().

Functions

Function Documentation