API reference
AudioDecoderPcm Class
Implements
Meta.Voice.Audio.Decoding.IAudioDecoder
An audio decoder for raw PCM audio data
Constructors
AudioDecoderPcm
(
pcmType
, sampleBufferLength
)
|
Constructor that allows selection of pcm type
Signature
Meta.Voice.Audio.Decoding.AudioDecoderPcm.AudioDecoderPcm(AudioDecoderPcmType pcmType, int sampleBufferLength=WitConstants.ENDPOINT_TTS_DEFAULT_SAMPLE_LENGTH) Parameters pcmType: AudioDecoderPcmTypesampleBufferLength: int |
Fields
PcmType
: readonly AudioDecoderPcmType |
Signature
readonly AudioDecoderPcmType Meta.Voice.Audio.Decoding.AudioDecoderPcm.PcmType |
WillDecodeInBackground
: bool |
All pcm decoding should occur in background due to large amount of data
Signature
bool Meta.Voice.Audio.Decoding.AudioDecoderPcm.WillDecodeInBackground |
Methods
Decode
(
buffer
, bufferOffset
, bufferLength
, onSamplesDecoded
)
|
A method for decoded bytes and calling an AddSample delegate for each
Signature
virtual void Meta.Voice.Audio.Decoding.AudioDecoderPcm.Decode(byte[] buffer, int bufferOffset, int bufferLength, AudioSampleDecodeDelegate onSamplesDecoded) Parameters buffer: byte []
A buffer of bytes to be decoded into audio sample data
bufferOffset: int
The buffer start offset used for decoding a reused buffer
bufferLength: int
The total number of bytes to be used from the buffer
onSamplesDecoded: AudioSampleDecodeDelegate
Callback following a sample decode
Returns void |
Static Methods
DecodePcm
(
rawData
, pcmType
)
|
Decodes an array of pcm data
Signature
static float [] Meta.Voice.Audio.Decoding.AudioDecoderPcm.DecodePcm(byte[] rawData, AudioDecoderPcmType pcmType=AudioDecoderPcmType.Int16) Parameters rawData: byte []
Raw array of pcm bytes
Returns float [] |
DecodeSample_Pcm16
(
rawData
, index
)
|
Decodes an Int16 sample into a float from 0 to 1
Signature
static float Meta.Voice.Audio.Decoding.AudioDecoderPcm.DecodeSample_Pcm16(byte[] rawData, int index) Parameters rawData: byte []
Raw data to be decoded into a single sample
index: int
Offset of the data
Returns float |
DecodeSample_Pcm32
(
rawData
, index
)
|
Decodes an Int32 sample into a float from 0 to 1
Signature
static float Meta.Voice.Audio.Decoding.AudioDecoderPcm.DecodeSample_Pcm32(byte[] rawData, int index) Parameters rawData: byte []
Raw data to be decoded into a single sample
index: int
Offset of the data
Returns float |
DecodeSample_Pcm64
(
rawData
, index
)
|
Decodes an Int64 sample into a float from 0 to 1
Signature
static float Meta.Voice.Audio.Decoding.AudioDecoderPcm.DecodeSample_Pcm64(byte[] rawData, int index) Parameters rawData: byte []
Raw data to be decoded into a single sample
index: int
Offset of the data
Returns float |
DecodeSample_PcmU16
(
rawData
, index
)
|
Decodes an UInt16 sample into a float from 0 to 1
Signature
static float Meta.Voice.Audio.Decoding.AudioDecoderPcm.DecodeSample_PcmU16(byte[] rawData, int index) Parameters rawData: byte []
Raw data to be decoded into a single sample
index: int
Offset of the data
Returns float |
DecodeSample_PcmU32
(
rawData
, index
)
|
Decodes an UInt32 sample into a float from 0 to 1
Signature
static float Meta.Voice.Audio.Decoding.AudioDecoderPcm.DecodeSample_PcmU32(byte[] rawData, int index) Parameters rawData: byte []
Raw data to be decoded into a single sample
index: int
Offset of the data
Returns float |
DecodeSample_PcmU64
(
rawData
, index
)
|
Decodes an UInt64 sample into a float from 0 to 1
Signature
static float Meta.Voice.Audio.Decoding.AudioDecoderPcm.DecodeSample_PcmU64(byte[] rawData, int index) Parameters rawData: byte []
Raw data to be decoded into a single sample
index: int
Offset of the data
Returns float |
GetByteCount
(
pcmType
)
|
Returns total bytes per sample
Signature
static int Meta.Voice.Audio.Decoding.AudioDecoderPcm.GetByteCount(AudioDecoderPcmType pcmType) Parameters pcmType: AudioDecoderPcmTypeReturns int |
GetTotalSamplesPcm
(
contentLength
, pcmType
)
|
Gets pcm sample count from byte content length (1 sample = 2 bytes)
Signature
static long Meta.Voice.Audio.Decoding.AudioDecoderPcm.GetTotalSamplesPcm(long contentLength, AudioDecoderPcmType pcmType=AudioDecoderPcmType.Int16) Parameters contentLength: long
The provided number of bytes
pcmType: AudioDecoderPcmTypeReturns long |
Internal Methods
PcmDecodeDelegate
(
buffer
, bufferOffset
)
|
Decodes a specific buffer index
Signature
delegate float Meta.Voice.Audio.Decoding.AudioDecoderPcm.PcmDecodeDelegate(byte[] buffer, int bufferOffset) Parameters buffer: byte []bufferOffset: intReturns delegate float |
Internal Static Methods
GetPcmDecoder
(
pcmType
)
|
Returns a decode method depending on the pcm type
Signature
static PcmDecodeDelegate Meta.Voice.Audio.Decoding.AudioDecoderPcm.GetPcmDecoder(AudioDecoderPcmType pcmType) Parameters pcmType: AudioDecoderPcmTypeReturns PcmDecodeDelegate |
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Virtual reality / Meta Horizon
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