120 lines
2.6 KiB
C++
120 lines
2.6 KiB
C++
// Copyright (c) 2008-2011 Raynaldo (Wildicv) Rivera, Joshua (Dark_Kilauea) Jones, Murat (wolfmanfx) Sari
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// This file is part of the "cAudio Engine"
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// For conditions of distribution and use, see copyright notice in cAudio.h
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#include "cRawDecoder.h"
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namespace cAudio{
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cRawDecoder::cRawDecoder(IDataSource* stream, unsigned int frequency, AudioFormats format) : IAudioDecoder(stream), Frequency(frequency), Format(format)
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{
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}
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cRawDecoder::~cRawDecoder()
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{
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}
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AudioFormats cRawDecoder::getFormat()
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{
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return Format;
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}
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int cRawDecoder::getFrequency()
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{
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return Frequency;
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}
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bool cRawDecoder::isSeekingSupported()
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{
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return true;
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}
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bool cRawDecoder::isValid()
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{
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return true;
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}
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int cRawDecoder::readAudioData(void* output, int amount)
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{
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return Stream->read(output,amount);
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}
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bool cRawDecoder::setPosition(int position, bool relative)
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{
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Stream->seek(position,relative);
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return true;
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}
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bool cRawDecoder::seek(float seconds,bool relative)
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{
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int SampleSize = 1;
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if(Format == EAF_8BIT_MONO)
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SampleSize = 1;
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else if(Format == EAF_8BIT_STEREO)
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SampleSize = 2;
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else if(Format == EAF_16BIT_MONO)
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SampleSize = 2;
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else
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SampleSize = 4;
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int amountToSeek = seconds * (float)Frequency * (float)SampleSize;
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return setPosition(amountToSeek, relative);
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}
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float cRawDecoder::getTotalTime()
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{
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int SampleSize = 0;
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if(Format == EAF_8BIT_MONO)
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SampleSize = 1;
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else if(Format == EAF_8BIT_STEREO)
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SampleSize = 2;
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else if(Format == EAF_16BIT_MONO)
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SampleSize = 2;
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else
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SampleSize = 4;
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return (float)Stream->getSize() / ((float)Frequency * (float)SampleSize);
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}
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int cRawDecoder::getTotalSize()
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{
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return Stream->getSize();
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}
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int cRawDecoder::getCompressedSize()
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{
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return Stream->getSize();
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}
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float cRawDecoder::getCurrentTime()
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{
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int SampleSize = 0;
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if(Format == EAF_8BIT_MONO)
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SampleSize = 1;
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else if(Format == EAF_8BIT_STEREO)
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SampleSize = 2;
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else if(Format == EAF_16BIT_MONO)
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SampleSize = 2;
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else
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SampleSize = 4;
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return (float)Stream->getCurrentPos() / ((float)Frequency * (float)SampleSize);
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}
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int cRawDecoder::getCurrentPosition()
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{
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return Stream->getCurrentPos();
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}
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int cRawDecoder::getCurrentCompressedPosition()
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{
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return Stream->getCurrentPos();
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}
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cAudioString cRawDecoder::getType() const
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{
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return cAudioString(_CTEXT("cRawDecoder"));
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}
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}
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