flac.c File Reference

Include dependency graph for flac.c:

Data Structures
struct	decoder_sys_t
struct	encoder_sys_t
Defines
#define	STREAMINFO_SIZE   38
Functions
static int	OpenDecoder (vlc_object_t *)
static void	CloseDecoder (vlc_object_t *)
static int	OpenEncoder (vlc_object_t *)
static void	CloseEncoder (vlc_object_t *)
static aout_buffer_t *	DecodeBlock (decoder_t *, block_t **)
static FLAC__StreamDecoderReadStatus	DecoderReadCallback (const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
static FLAC__StreamDecoderWriteStatus	DecoderWriteCallback (const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *const buffer[], void *client_data)
static void	DecoderMetadataCallback (const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
static void	DecoderErrorCallback (const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
static void	Interleave32 (int32_t *p_out, const int32_t *const *pp_in, const int *pi_order, int i_nb_channels, int i_samples)
static void	Interleave24 (int8_t *p_out, const int32_t *const *pp_in, const int *pi_order, int i_nb_channels, int i_samples)
static void	Interleave16 (int16_t *p_out, const int32_t *const *pp_in, const int *pi_order, int i_nb_channels, int i_samples)
static void	decoder_state_error (decoder_t *p_dec, FLAC__StreamDecoderState state)
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static void	ProcessHeader (decoder_t *p_dec)
static void	Interleave32 (int32_t *p_out, const int32_t *const *pp_in, const int pi_index[], int i_nb_channels, int i_samples)
static void	Interleave24 (int8_t *p_out, const int32_t *const *pp_in, const int pi_index[], int i_nb_channels, int i_samples)
static void	Interleave16 (int16_t *p_out, const int32_t *const *pp_in, const int pi_index[], int i_nb_channels, int i_samples)
static block_t *	Encode (encoder_t *, aout_buffer_t *)
static FLAC__StreamEncoderWriteStatus	EncoderWriteCallback (const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
static void	EncoderMetadataCallback (const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
Variables
static const int	pi_channels_maps [9]

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Define Documentation

#define STREAMINFO_SIZE   38

Referenced by EncoderWriteCallback(), and ReadMeta().

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Function Documentation

static void CloseDecoder

(

vlc_object_t *

p_this

)

[static]

References block_Release(), decoder_sys_t::p_block, decoder_sys_t::p_flac, decoder_t::p_sys, and p_sys.

static void CloseEncoder

(

vlc_object_t *

p_this

)

[static]

static aout_buffer_t * DecodeBlock	(	decoder_t *	p_dec,
		block_t **	pp_block
	)			[static]

References decoder_sys_t::b_stream_info, BLOCK_FLAG_CORRUPTED, BLOCK_FLAG_DISCONTINUITY, block_Release(), date_Get(), date_Set(), decoder_state_error(), decoder_sys_t::end_date, block_t::i_pts, decoder_sys_t::p_aout_buffer, decoder_sys_t::p_block, decoder_sys_t::p_flac, decoder_t::p_sys, p_sys, ProcessHeader(), and VLC_TS_INVALID.

static void decoder_state_error	(	decoder_t *	p_dec,
		FLAC__StreamDecoderState	state
	)			[static]

References msg_Dbg, msg_Err, and msg_Warn.

Referenced by DecodeBlock().

static void DecoderErrorCallback	(	const FLAC__StreamDecoder *	decoder,
		FLAC__StreamDecoderErrorStatus	status,
		void *	client_data
	)			[static]

References msg_Err, msg_Warn, decoder_sys_t::p_flac, decoder_t::p_sys, and VLC_UNUSED.

Referenced by OpenDecoder().

static void DecoderMetadataCallback	(	const FLAC__StreamDecoder *	decoder,
		const FLAC__StreamMetadata *	metadata,
		void *	client_data
	)			[static]

References es_format_t::audio, decoder_sys_t::b_stream_info, date_Init(), date_Set(), decoder_sys_t::end_date, decoder_t::fmt_out, audio_format_t::i_bitspersample, audio_format_t::i_channels, es_format_t::i_codec, audio_format_t::i_original_channels, audio_format_t::i_physical_channels, audio_format_t::i_rate, msg_Dbg, decoder_t::p_sys, p_sys, decoder_t::pf_decode_audio, pi_channels_maps, decoder_sys_t::stream_info, VLC_CODEC_FI32, VLC_CODEC_S16N, VLC_CODEC_S24N, VLC_CODEC_S8, VLC_TS_INVALID, and VLC_UNUSED.

Referenced by OpenDecoder().

static FLAC__StreamDecoderReadStatus DecoderReadCallback	(	const FLAC__StreamDecoder *	decoder,
		FLAC__byte	buffer[],
		unsigned *	bytes,
		void *	client_data
	)			[static]

References __MIN, block_t::i_buffer, decoder_sys_t::p_block, block_t::p_buffer, decoder_t::p_sys, p_sys, and VLC_UNUSED.

Referenced by OpenDecoder().

static FLAC__StreamDecoderWriteStatus DecoderWriteCallback	(	const FLAC__StreamDecoder *	decoder,
		const FLAC__Frame *	frame,
		const FLAC__int32 *const	buffer[],
		void *	client_data
	)			[static]

References es_format_t::audio, date_Get(), date_Increment(), decoder_NewAudioBuffer(), decoder_sys_t::end_date, decoder_t::fmt_out, audio_format_t::i_channels, block_t::i_length, block_t::i_pts, Interleave16(), Interleave24(), Interleave32(), decoder_sys_t::p_aout_buffer, block_t::p_buffer, decoder_t::p_sys, p_sys, VLC_TS_INVALID, and VLC_UNUSED.

Referenced by OpenDecoder().

static block_t * Encode	(	encoder_t *	p_enc,
		aout_buffer_t *	p_aout_buf
	)			[static]

References es_format_t::audio, encoder_t::fmt_in, i, block_t::i_buffer, encoder_sys_t::i_buffer, block_t::i_nb_samples, block_t::i_pts, encoder_sys_t::i_pts, audio_format_t::i_rate, encoder_sys_t::i_samples_delay, block_t::p_buffer, encoder_sys_t::p_buffer, encoder_sys_t::p_chain, encoder_sys_t::p_flac, encoder_t::p_sys, and xrealloc().

static void EncoderMetadataCallback	(	const FLAC__StreamEncoder *	encoder,
		const FLAC__StreamMetadata *	metadata,
		void *	client_data
	)			[static]

References msg_Err, and VLC_UNUSED.

static FLAC__StreamEncoderWriteStatus EncoderWriteCallback	(	const FLAC__StreamEncoder *	encoder,
		const FLAC__byte	buffer[],
		unsigned	bytes,
		unsigned	samples,
		unsigned	current_frame,
		void *	client_data
	)			[static]

References es_format_t::audio, block_ChainAppend(), block_New, encoder_t::fmt_in, encoder_t::fmt_out, block_t::i_dts, es_format_t::i_extra, encoder_sys_t::i_headers, block_t::i_length, encoder_sys_t::i_pts, block_t::i_pts, audio_format_t::i_rate, encoder_sys_t::i_samples_delay, msg_Dbg, block_t::p_buffer, encoder_sys_t::p_chain, es_format_t::p_extra, encoder_t::p_sys, STREAMINFO_SIZE, VLC_UNUSED, and xmalloc().

static void Interleave16	(	int16_t *	p_out,
		const int32_t *const *	pp_in,
		const int	pi_index[],
		int	i_nb_channels,
		int	i_samples
	)			[static]

References i.

static void Interleave16	(	int16_t *	p_out,
		const int32_t *const *	pp_in,
		const int *	pi_order,
		int	i_nb_channels,
		int	i_samples
	)			[static]

Referenced by DecoderWriteCallback().

static void Interleave24	(	int8_t *	p_out,
		const int32_t *const *	pp_in,
		const int	pi_index[],
		int	i_nb_channels,
		int	i_samples
	)			[static]

References i.

static void Interleave24	(	int8_t *	p_out,
		const int32_t *const *	pp_in,
		const int *	pi_order,
		int	i_nb_channels,
		int	i_samples
	)			[static]

Referenced by DecoderWriteCallback().

static void Interleave32	(	int32_t *	p_out,
		const int32_t *const *	pp_in,
		const int	pi_index[],
		int	i_nb_channels,
		int	i_samples
	)			[static]

References i.

static void Interleave32	(	int32_t *	p_out,
		const int32_t *const *	pp_in,
		const int *	pi_order,
		int	i_nb_channels,
		int	i_samples
	)			[static]

Referenced by DecoderWriteCallback().

static int OpenDecoder

(

vlc_object_t *

p_this

)

[static]

References AUDIO_ES, decoder_t::b_need_packetized, decoder_sys_t::b_stream_info, DecodeBlock(), DecoderErrorCallback(), DecoderMetadataCallback(), DecoderReadCallback(), DecoderWriteCallback(), decoder_t::fmt_in, decoder_t::fmt_out, es_format_t::i_cat, es_format_t::i_codec, msg_Err, decoder_sys_t::p_block, decoder_sys_t::p_flac, decoder_t::p_sys, p_sys, decoder_t::pf_decode_audio, VLC_CODEC_FL32, VLC_CODEC_FLAC, VLC_EGENERIC, VLC_ENOMEM, and VLC_SUCCESS.

static int OpenEncoder

(

vlc_object_t *

p_this

)

[static]

static void ProcessHeader

(

decoder_t *

p_dec

)

[static]

References block_New, decoder_t::fmt_in, es_format_t::i_extra, msg_Dbg, decoder_sys_t::p_block, block_t::p_buffer, es_format_t::p_extra, decoder_sys_t::p_flac, decoder_t::p_sys, and p_sys.

Referenced by DecodeBlock(), and Packetize().

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)

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Variable Documentation

const int pi_channels_maps[9] [static]

Initial value:

{
    0,
     0x1 ,
     0x2  |  0x4 ,
     0x1  |  0x2  |  0x4 ,
     0x2  |  0x4  |  0x20 
     |  0x40 ,
     0x2  |  0x4  |  0x1 
     |  0x20  |  0x40 ,
     0x2  |  0x4  |  0x1 
     |  0x20  |  0x40  |  0x1000 ,
     0x2  |  0x4  |  0x1 
     |  0x20  |  0x40  |  0x100 
     |  0x200 ,
     0x2  |  0x4  |  0x1  |  0x20 
     |  0x40  |  0x100  |  0x200 
     |  0x1000 
}