sipxmedialib
Version 3.3
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#include <MpAudioWaveFileRead.h>
Public Types | |
enum | WaveDecompressionType { DePcm8Unsigned = 1, DePcm16LsbSigned, DeG711ALaw = 6, DeG711MuLaw = 7, DeImaAdpcm = 17 } |
Public Member Functions | |
Creators | |
MpAudioWaveFileRead (istream &s) | |
Constructor form a stream. More... | |
~MpAudioWaveFileRead () | |
Destructor. More... | |
Manipulators | |
size_t | readBytes (AudioByte *buffer, size_t numSamples) |
read length of bytes More... | |
size_t | getBytesSize () |
get bytes size of the audio file More... | |
int | getDecompressionType () |
get decompression type of the audio file More... | |
Public Member Functions inherited from MpAudioAbstract | |
MpAudioAbstract (void) | |
Default Constructor. More... | |
MpAudioAbstract (MpAudioAbstract *audio) | |
Copy Constructor. More... | |
virtual | ~MpAudioAbstract () |
Destructor. More... | |
MpAudioAbstract * | getPreviousAudio (void) |
get previous audio More... | |
void | setPreviousAudio (MpAudioAbstract *a) |
set previous audio to a More... | |
MpAudioAbstract * | getNextAudio (void) |
get next audio More... | |
void | setNextAudio (MpAudioAbstract *a) |
set next audio to a More... | |
virtual void | setSamplingRate (long s) |
Set the sampling rate to s. More... | |
virtual void | setSamplingRateRecursive (long s) |
Set sampling rate recursively. More... | |
virtual void | negotiateSamplingRate (void) |
negotiate the sampling rate More... | |
virtual long | getSamplingRate (void) |
Return the sampling rate. More... | |
virtual void | setChannels (int ch) |
Set channel to ch. More... | |
virtual void | setChannelsRecursive (int s) |
Set channel recusively. More... | |
virtual void | negotiateChannels (void) |
negotiate channel More... | |
virtual int | getChannels (void) |
Return the channels. More... | |
virtual void | setAudioFormat (int type) |
Set audio object format. More... | |
virtual int | getAudioFormat () |
Get audio object format. More... | |
bool | isOk () |
Return true if file loaded ok. More... | |
Private Member Functions | |
void | minMaxSamplingRate (long *min, long *max, long *preferred) |
TODO: the meaning of this function, get the prefered Sampling rate. More... | |
void | minMaxChannels (int *min, int *max, int *preferred) |
Get prefered channel. More... | |
size_t | getSamples (AudioSample *buffer, size_t numSamples) |
Returns number of samples actually read, 0 on error. More... | |
void | initializeDecompression () |
void | nextChunk (void) |
Get next chunk for chunk management. More... | |
Private Attributes | |
istream & | mStream |
AbstractDecompressor * | _decoder |
Current decompressor. More... | |
unsigned char * | mpformatData |
Contents of fmt chunk. More... | |
unsigned long | mformatDataLength |
length of fmt chunk More... | |
struct { | |
unsigned long type | |
Type of chunk. More... | |
unsigned long size | |
Size of chunk. More... | |
unsigned long remaining | |
Bytes left to read. More... | |
bool isContainer | |
true if this is a container More... | |
unsigned long containerType | |
type of container More... | |
} | _chunk [5] |
int | _currentChunk |
top of stack More... | |
unsigned long | mFileSize |
Additional Inherited Members | |
Protected Attributes inherited from MpAudioAbstract | |
bool | mbIsOk |
If file loaded ok. More... | |
MpAudioWaveFileRead | ( | istream & | s | ) |
Constructor form a stream.
~MpAudioWaveFileRead | ( | ) |
Destructor.
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virtual |
read length of bytes
Reimplemented from MpAudioAbstract.
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virtual |
get bytes size of the audio file
Reimplemented from MpAudioAbstract.
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get decompression type of the audio file
Reimplemented from MpAudioAbstract.
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privatevirtual |
TODO: the meaning of this function, get the prefered Sampling rate.
Reimplemented from MpAudioAbstract.
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privatevirtual |
Get prefered channel.
Reimplemented from MpAudioAbstract.
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privatevirtual |
Returns number of samples actually read, 0 on error.
Implements MpAudioAbstract.
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private |
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private |
Get next chunk for chunk management.
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private |
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private |
Current decompressor.
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private |
Contents of fmt chunk.
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private |
length of fmt chunk
unsigned long type |
Type of chunk.
unsigned long size |
Size of chunk.
unsigned long remaining |
Bytes left to read.
bool isContainer |
true if this is a container
unsigned long containerType |
type of container
struct { ... } _chunk[5] |
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private |
top of stack
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private |