AdvancedAudioDecoder Class Reference

Advanced Audio Decoder. More...

#include <advancedaudiodecoder.h>

Inheritance diagram for AdvancedAudioDecoder:

List of all members.

Classes
struct	FrameFragment
struct	FrameNode
struct	FrameNodeItem
Public Member Functions
	AdvancedAudioDecoder (AudioWriterInterface *audioWriter)
	~AdvancedAudioDecoder ()
const card16	getTypeID () const
const char *	getTypeName () const
void	activate ()
void	deactivate ()
void	reset ()
void	getMediaInfo (MediaInfo &mediaInfo) const
card8	getErrorCode () const
card64	getPosition () const
card64	getMaxPosition () const
bool	checkNextPacket (DecoderPacket *decoderPacket)
void	handleNextPacket (const DecoderPacket *decoderPacket)
card16	getSamplingRate () const
card8	getBits () const
card8	getChannels () const
card16	getByteOrder () const
cardinal	getBytesPerSecond () const
cardinal	getBitsPerSample () const
AudioQuality	getWantedQuality () const
void	setWantedQuality (const AudioQualityInterface &wantedQuality)
Private Member Functions
void	timerEvent ()
card64	checkFragmentSeqNum (std::multimap< const card16, FrameFragment * > *set, const card64 last) const
void	deleteFragments (std::multimap< const card16, FrameFragment * > *set)
FrameFragment *	getFragment (std::multimap< const card16, FrameFragment * > *set, const card16 fragmentNumber)
Private Attributes
std::multiset< FrameNodeItem >	FrameSet
AudioWriterInterface *	Device
AudioQuality	WantedQuality
card64	Position
card64	MaxPosition
SeqNumValidator	SeqNumber [AdvancedAudioPacket::AdvancedAudioMaxQualityLayers]
MediaInfo	Media
card16	AudioSamplingRate
card8	AudioBits
card8	AudioChannels
card8	ErrorCode
Static Private Attributes
static const cardinal	FrameBufferSize
static const card64	BufferCleanUpDifference

---

Detailed Description

Advanced Audio Decoder.

This class is an advanced audio decoder. It does error correction by using nearly redundant data of left and right channel to "reconstruct" the full data.

Author:

Thomas Dreibholz

Version:

1.0

---

Constructor & Destructor Documentation

AdvancedAudioDecoder::AdvancedAudioDecoder

(

AudioWriterInterface *

audioWriter

)

Constructor for the audio decoder.

Parameters:

audioWriter

AudioReaderInterface for the audio output.

AdvancedAudioDecoder::~AdvancedAudioDecoder

(

)

Destructor.

---

Member Function Documentation

void AdvancedAudioDecoder::activate

(

)

[virtual]

activate() implementation of DecoderInterface.

See also:

DecoderInterface::activate

Implements DecoderInterface.

card64 AdvancedAudioDecoder::checkFragmentSeqNum	(	std::multimap< const card16, FrameFragment * > *	set,
		const card64	last
	)		const [private]

bool AdvancedAudioDecoder::checkNextPacket

(

DecoderPacket *

decoderPacket

)

[virtual]

checkNextPacket() implementation of DecoderInterface.

See also:

DecoderInterface::checkNextPacket

Implements DecoderInterface.

void AdvancedAudioDecoder::deactivate

(

)

[virtual]

deactivate() implementation of DecoderInterface.

See also:

DecoderInterface::deactivate

Implements DecoderInterface.

void AdvancedAudioDecoder::deleteFragments

(

std::multimap< const card16, FrameFragment * > *

set

)

[private]

card8 AdvancedAudioDecoder::getBits

(

)

const [virtual]

getBits() Implementation of AudioDecoderInterface.

See also:

AudioDecoderInterface::getBits

Implements AudioQualityInterface.

cardinal AdvancedAudioDecoder::getBitsPerSample

(

)

const [virtual]

getBitsPerSample() Implementation of AudioDecoderInterface.

See also:

AudioDecoderInterface::getBitsPerSample

Implements AudioQualityInterface.

card16 AdvancedAudioDecoder::getByteOrder

(

)

const [virtual]

getByteOrder() Implementation of AudioQualityInterface.

See also:

AudioQualityInterface::getByteOrder

Implements AudioQualityInterface.

cardinal AdvancedAudioDecoder::getBytesPerSecond

(

)

const [virtual]

getBytesPerSecond() Implementation of AudioDecoderInterface.

See also:

AudioDecoderInterface::getBytesPerSecond

Implements AudioQualityInterface.

card8 AdvancedAudioDecoder::getChannels

(

)

const [virtual]

getChannels() Implementation of AudioDecoderInterface.

See also:

AudioDecoderInterface::getChannels

Implements AudioQualityInterface.

card8 AdvancedAudioDecoder::getErrorCode

(

)

const [virtual]

getErrorCode() implementation of DecoderInterface.

See also:

DecoderInterface::getErrorCode

Implements DecoderInterface.

AdvancedAudioDecoder::FrameFragment * AdvancedAudioDecoder::getFragment	(	std::multimap< const card16, FrameFragment * > *	set,
		const card16	fragmentNumber
	)		[private]

card64 AdvancedAudioDecoder::getMaxPosition

(

)

const [virtual]

getMaxPosition() implementation of DecoderInterface.

See also:

DecoderInterface::getMaxPosition

Implements DecoderInterface.

void AdvancedAudioDecoder::getMediaInfo

(

MediaInfo &

mediaInfo

)

const [virtual]

getMediaInfo() implementation of DecoderInterface.

See also:

DecoderInterface::getMediaInfo

Implements DecoderInterface.

card64 AdvancedAudioDecoder::getPosition

(

)

const [virtual]

getPosition() implementation of DecoderInterface.

See also:

DecoderInterface::getPosition

Implements DecoderInterface.

card16 AdvancedAudioDecoder::getSamplingRate

(

)

const [virtual]

getSamplingRate() Implementation of AudioDecoderInterface.

See also:

AudioDecoderInterface::getSamplingRate

Implements AudioQualityInterface.

const card16 AdvancedAudioDecoder::getTypeID

(

)

const [virtual]

getTypeID() implementation of DecoderInterface.

See also:

DecoderInterface::getTypeID

Implements DecoderInterface.

const char * AdvancedAudioDecoder::getTypeName

(

)

const [virtual]

getTypeName implementation of DecoderInterface.

See also:

DecoderInterface::getTypeName

Implements DecoderInterface.

AudioQuality AdvancedAudioDecoder::getWantedQuality

(

)

const [virtual]

getWantedQuality() implementation of AudioDecoderInterface.

see AudioDecoderInterface::getWantedQuality

Implements AudioDecoderInterface.

void AdvancedAudioDecoder::handleNextPacket

(

const DecoderPacket *

decoderPacket

)

[virtual]

handleNextPacket() implementation of DecoderInterface.

See also:

DecoderInterface::handleNextPacket

Implements DecoderInterface.

void AdvancedAudioDecoder::reset

(

)

[virtual]

reset() implementation of DecoderInterface.

See also:

DecoderInterface::reset

Implements DecoderInterface.

void AdvancedAudioDecoder::setWantedQuality

(

const AudioQualityInterface &

wantedQuality

)

[virtual]

setWantedQuality() implementation of AudioDecoderInterface.

See also:

AudioDecoderInterface::setWantedQuality

Implements AudioDecoderInterface.

void AdvancedAudioDecoder::timerEvent

(

)

[private, virtual]

The virtual timerEvent() method, which contains the timed thread's implementation. It has to be implemented by classes, which inherit TimedThread. This method is called regularly with the given interval.

Implements TimedThread.

---

Member Data Documentation

card8 AdvancedAudioDecoder::AudioBits [private]

card8 AdvancedAudioDecoder::AudioChannels [private]

card16 AdvancedAudioDecoder::AudioSamplingRate [private]

const card64 AdvancedAudioDecoder::BufferCleanUpDifference [static, private]

Initial value:

      (4 * FrameBufferSize * PositionStepsPerSecond) /
         AdvancedAudioPacket::AdvancedAudioFramesPerSecond

AudioWriterInterface* AdvancedAudioDecoder::Device [private]

card8 AdvancedAudioDecoder::ErrorCode [private]

const cardinal AdvancedAudioDecoder::FrameBufferSize [static, private]

Initial value:

      2 * ((AdvancedAudioPacket::AdvancedAudioFramesPerSecond /
           (16000 / AdvancedAudioPacket::AdvancedAudioMaxTransferDelay)) + 1)

std::multiset<FrameNodeItem> AdvancedAudioDecoder::FrameSet [private]

card64 AdvancedAudioDecoder::MaxPosition [private]

MediaInfo AdvancedAudioDecoder::Media [private]

card64 AdvancedAudioDecoder::Position [private]

SeqNumValidator AdvancedAudioDecoder::SeqNumber[AdvancedAudioPacket::AdvancedAudioMaxQualityLayers] [private]

AudioQuality AdvancedAudioDecoder::WantedQuality [private]

---

The documentation for this class was generated from the following files:

• advancedaudiodecoder.h
• advancedaudiodecoder.cc