mpeg_audio.c File Reference

Include dependency graph for mpeg_audio.c:

Data Structures
struct	decoder_sys_t
Defines
#define	MAD_BUFFER_GUARD   8
#define	MPGA_HEADER_SIZE   4
Enumerations
enum	{   STATE_NOSYNC, STATE_SYNC, STATE_HEADER, STATE_NEXT_SYNC,   STATE_GET_DATA, STATE_SEND_DATA }
Functions
static int	OpenDecoder (vlc_object_t *)
static int	OpenPacketizer (vlc_object_t *)
static void	CloseDecoder (vlc_object_t *)
static void *	DecodeBlock (decoder_t *, block_t **)
static uint8_t *	GetOutBuffer (decoder_t *, block_t **)
static aout_buffer_t *	GetAoutBuffer (decoder_t *)
static block_t *	GetSoutBuffer (decoder_t *)
static int	SyncInfo (uint32_t i_header, unsigned int *pi_channels, unsigned int *pi_channels_conf, unsigned int *pi_sample_rate, unsigned int *pi_bit_rate, unsigned int *pi_frame_length, unsigned int *pi_max_frame_size, unsigned int *pi_layer)
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static int	Open (vlc_object_t *p_this)

---

Define Documentation

#define MAD_BUFFER_GUARD   8

Referenced by DecodeBlock(), GetAoutBuffer(), and GetOutBuffer().

#define MPGA_HEADER_SIZE   4

Referenced by DecodeBlock(), and Open().

---

Enumeration Type Documentation

anonymous enum

Enumerator:

STATE_NOSYNC
STATE_SYNC
STATE_HEADER
STATE_NEXT_SYNC
STATE_GET_DATA
STATE_SEND_DATA

---

Function Documentation

static void CloseDecoder

(

vlc_object_t *

p_this

)

[static]

References block_BytestreamRelease(), decoder_sys_t::bytestream, decoder_t::p_sys, and p_sys.

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

References __MIN, decoder_sys_t::b_discontinuity, decoder_sys_t::b_packetizer, block_BytestreamEmpty(), block_BytestreamFlush(), block_BytestreamPop(), block_BytestreamPush(), BLOCK_FLAG_CORRUPTED, BLOCK_FLAG_DISCONTINUITY, block_GetBytes(), block_PeekBytes(), block_PeekOffsetBytes(), block_Release(), block_SkipByte(), block_WaitBytes(), decoder_sys_t::bytestream, date_Get(), date_Set(), decoder_sys_t::end_date, decoder_t::fmt_in, GetOutBuffer(), decoder_sys_t::i_bit_rate, block_t::i_buffer, decoder_sys_t::i_channels, decoder_sys_t::i_channels_conf, decoder_sys_t::i_frame_length, decoder_sys_t::i_frame_size, decoder_sys_t::i_free_frame_size, decoder_sys_t::i_layer, decoder_sys_t::i_max_frame_size, es_format_t::i_profile, block_t::i_pts, decoder_sys_t::i_pts, decoder_sys_t::i_rate, decoder_sys_t::i_state, MAD_BUFFER_GUARD, MPGA_HEADER_SIZE, msg_Dbg, block_bytestream_t::p_block, decoder_t::p_sys, p_sys, STATE_GET_DATA, STATE_HEADER, STATE_NEXT_SYNC, STATE_NOSYNC, STATE_SEND_DATA, STATE_SYNC, SyncInfo(), VLC_SUCCESS, and VLC_TS_INVALID.

static aout_buffer_t * GetAoutBuffer

(

decoder_t *

p_dec

)

[static]

References decoder_sys_t::b_discontinuity, BLOCK_FLAG_DISCONTINUITY, block_Realloc(), date_Get(), date_Increment(), decoder_NewAudioBuffer(), decoder_sys_t::end_date, block_t::i_flags, decoder_sys_t::i_frame_length, decoder_sys_t::i_frame_size, block_t::i_length, block_t::i_pts, MAD_BUFFER_GUARD, decoder_t::p_sys, and p_sys.

static uint8_t * GetOutBuffer	(	decoder_t *	p_dec,
		block_t **	pp_out_buffer
	)			[static]

References AOUT_CHAN_PHYSMASK, es_format_t::audio, decoder_sys_t::b_packetizer, date_Init(), date_Set(), decoder_sys_t::end_date, decoder_t::fmt_out, GetAoutBuffer(), GetSoutBuffer(), decoder_sys_t::i_bit_rate, es_format_t::i_bitrate, audio_format_t::i_bytes_per_frame, audio_format_t::i_channels, decoder_sys_t::i_channels, decoder_sys_t::i_channels_conf, decoder_sys_t::i_frame_length, audio_format_t::i_frame_length, decoder_sys_t::i_max_frame_size, audio_format_t::i_original_channels, audio_format_t::i_physical_channels, decoder_sys_t::i_pts, decoder_sys_t::i_rate, audio_format_t::i_rate, MAD_BUFFER_GUARD, msg_Dbg, block_t::p_buffer, decoder_t::p_sys, and p_sys.

static block_t * GetSoutBuffer

(

decoder_t *

p_dec

)

[static]

References block_New, date_Get(), date_Increment(), decoder_sys_t::end_date, block_t::i_dts, decoder_sys_t::i_frame_length, decoder_sys_t::i_frame_size, block_t::i_length, block_t::i_pts, decoder_t::p_sys, and p_sys.

static int Open

(

vlc_object_t *

p_this

)

[static]

References es_format_t::audio, AUDIO_ES, decoder_sys_t::b_discontinuity, decoder_sys_t::b_packetizer, block_BytestreamInit(), decoder_sys_t::bytestream, date_Set(), DecodeBlock(), decoder_sys_t::end_date, decoder_t::fmt_in, decoder_t::fmt_out, es_format_t::i_cat, es_format_t::i_codec, decoder_sys_t::i_free_frame_size, decoder_sys_t::i_pts, audio_format_t::i_rate, decoder_sys_t::i_state, MPGA_HEADER_SIZE, decoder_t::p_sys, p_sys, decoder_t::pf_decode_audio, decoder_t::pf_packetize, STATE_NOSYNC, VLC_CODEC_MPGA, VLC_EGENERIC, VLC_ENOMEM, VLC_SUCCESS, and VLC_TS_INVALID.

static int OpenDecoder

(

vlc_object_t *

p_this

)

[static]

References module_exists(), Open(), and VLC_EGENERIC.

static int OpenPacketizer

(

vlc_object_t *

p_this

)

[static]

References decoder_sys_t::b_packetizer, Open(), decoder_t::p_sys, and VLC_SUCCESS.

static int SyncInfo	(	uint32_t	i_header,
		unsigned int *	pi_channels,
		unsigned int *	pi_channels_conf,
		unsigned int *	pi_sample_rate,
		unsigned int *	pi_bit_rate,
		unsigned int *	pi_frame_length,
		unsigned int *	pi_max_frame_size,
		unsigned int *	pi_layer
	)			[static]

References AOUT_CHAN_CENTER, AOUT_CHAN_DUALMONO, AOUT_CHAN_LEFT, and AOUT_CHAN_RIGHT.

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)