mirror of
https://git.rip/DMCA_FUCKER/re3.git
synced 2024-12-22 21:30:00 +00:00
Cleanup and fixes for new decoders
This commit is contained in:
Sergeanur
parent
36996af82b
commit
02a28996f4
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@ -174,35 +174,45 @@ class CWavFile : public IDecoder
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tFormatHeader() { memset(this, 0, sizeof(*this)); }
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};
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FILE* pFile;
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bool bIsOpen;
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tFormatHeader FormatHeader;
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FILE *m_pFile;
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bool m_bIsOpen;
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uint32 DataStartOffset;
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uint32 SampleCount;
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uint32 SamplesPerBlock;
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tFormatHeader m_FormatHeader;
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uint32 m_DataStartOffset; // TODO: 64 bit?
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uint32 m_nSampleCount;
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uint32 m_nSamplesPerBlock;
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// ADPCM things
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uint8 *AdpcmBlock;
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int16 **buffers;
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CImaADPCMDecoder* decoders;
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uint8 *m_pAdpcmBuffer;
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int16 **m_ppPcmBuffers;
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CImaADPCMDecoder *m_pAdpcmDecoders;
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void Close()
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{
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if (pFile) {
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fclose(pFile);
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pFile = nil;
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if (m_pFile) {
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fclose(m_pFile);
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m_pFile = nil;
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}
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if (AdpcmBlock) delete[] AdpcmBlock;
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if (buffers) delete[] buffers;
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if (decoders) delete[] decoders;
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delete[] m_pAdpcmBuffer;
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delete[] m_ppPcmBuffers;
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delete[] m_pAdpcmDecoders;
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}
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uint32 GetCurrentSample() const
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{
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// TODO: 64 bit?
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uint32 FilePos = ftell(m_pFile);
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if (FilePos <= m_DataStartOffset)
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return 0;
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return (FilePos - m_DataStartOffset) / m_FormatHeader.BlockAlign * m_nSamplesPerBlock;
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}
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public:
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CWavFile(const char* path) : bIsOpen(false), DataStartOffset(0), SampleCount(0), SamplesPerBlock(0), AdpcmBlock(nil), buffers(nil), decoders(nil)
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CWavFile(const char* path) : m_bIsOpen(false), m_DataStartOffset(0), m_nSampleCount(0), m_nSamplesPerBlock(0), m_pAdpcmBuffer(nil), m_ppPcmBuffers(nil), m_pAdpcmDecoders(nil)
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{
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pFile = fopen(path, "rb");
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if (!pFile) return;
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m_pFile = fopen(path, "rb");
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if (!m_pFile) return;
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#define CLOSE_ON_ERROR(op)\
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if (op) { \
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@ -212,52 +222,58 @@ public:
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tDataHeader DataHeader;
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CLOSE_ON_ERROR(fread(&DataHeader, sizeof(DataHeader), 1, pFile) == 0);
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CLOSE_ON_ERROR(fread(&DataHeader, sizeof(DataHeader), 1, m_pFile) == 0);
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CLOSE_ON_ERROR(DataHeader.ID != 'FFIR');
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// TODO? validate filesizes
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int WAVE;
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CLOSE_ON_ERROR(fread(&WAVE, 4, 1, pFile) == 0);
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CLOSE_ON_ERROR(fread(&WAVE, 4, 1, m_pFile) == 0);
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CLOSE_ON_ERROR(WAVE != 'EVAW')
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CLOSE_ON_ERROR(fread(&DataHeader, sizeof(DataHeader), 1, pFile) == 0);
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CLOSE_ON_ERROR(fread(&DataHeader, sizeof(DataHeader), 1, m_pFile) == 0);
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CLOSE_ON_ERROR(DataHeader.ID != ' tmf');
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CLOSE_ON_ERROR(fread(&FormatHeader, Min(DataHeader.Size, sizeof(tFormatHeader)), 1, pFile) == 0);
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CLOSE_ON_ERROR(fread(&m_FormatHeader, Min(DataHeader.Size, sizeof(tFormatHeader)), 1, m_pFile) == 0);
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CLOSE_ON_ERROR(DataHeader.Size > sizeof(tFormatHeader));
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switch (FormatHeader.AudioFormat)
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switch (m_FormatHeader.AudioFormat)
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{
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case WAVEFMT_XBOX_ADPCM:
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FormatHeader.AudioFormat = WAVEFMT_IMA_ADPCM;
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m_FormatHeader.AudioFormat = WAVEFMT_IMA_ADPCM;
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case WAVEFMT_IMA_ADPCM:
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SamplesPerBlock = (FormatHeader.BlockAlign / FormatHeader.NumChannels - 4) * 2 + 1;
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AdpcmBlock = new uint8[FormatHeader.BlockAlign];
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buffers = new int16*[FormatHeader.NumChannels];
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decoders = new CImaADPCMDecoder[FormatHeader.NumChannels];
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m_nSamplesPerBlock = (m_FormatHeader.BlockAlign / m_FormatHeader.NumChannels - 4) * 2 + 1;
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m_pAdpcmBuffer = new uint8[m_FormatHeader.BlockAlign];
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m_ppPcmBuffers = new int16*[m_FormatHeader.NumChannels];
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m_pAdpcmDecoders = new CImaADPCMDecoder[m_FormatHeader.NumChannels];
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break;
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case WAVEFMT_PCM:
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SamplesPerBlock = 1;
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if (FormatHeader.BitsPerSample != 16)
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m_nSamplesPerBlock = 1;
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if (m_FormatHeader.BitsPerSample != 16)
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{
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debug("Unsupported PCM (%d bits), only signed 16-bit is supported (%s)\n", FormatHeader.BitsPerSample, path);
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debug("Unsupported PCM (%d bits), only signed 16-bit is supported (%s)\n", m_FormatHeader.BitsPerSample, path);
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Close();
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return;
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}
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break;
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default:
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debug("Unsupported wav format 0x%x (%s)\n", FormatHeader.AudioFormat, path);
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debug("Unsupported wav format 0x%x (%s)\n", m_FormatHeader.AudioFormat, path);
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Close();
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return;
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}
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while (true) {
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CLOSE_ON_ERROR(fread(&DataHeader, sizeof(DataHeader), 1, pFile) == 0);
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CLOSE_ON_ERROR(fread(&DataHeader, sizeof(DataHeader), 1, m_pFile) == 0);
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if (DataHeader.ID == 'atad')
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break;
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fseek(pFile, DataHeader.Size, SEEK_CUR);
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fseek(m_pFile, DataHeader.Size, SEEK_CUR);
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// TODO? validate data size
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// maybe check if there no extreme custom headers that might break this
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}
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DataStartOffset = ftell(pFile);
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SampleCount = DataHeader.Size / FormatHeader.BlockAlign * SamplesPerBlock;
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m_DataStartOffset = ftell(m_pFile);
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m_nSampleCount = DataHeader.Size / m_FormatHeader.BlockAlign * m_nSamplesPerBlock;
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bIsOpen = true;
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m_bIsOpen = true;
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#undef CLOSE_ON_ERROR
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}
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@ -268,7 +284,7 @@ public:
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bool IsOpened()
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{
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return bIsOpen;
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return m_bIsOpen;
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}
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uint32 GetSampleSize()
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@ -278,29 +294,29 @@ public:
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uint32 GetSampleCount()
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{
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return SampleCount;
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return m_nSampleCount;
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}
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uint32 GetSampleRate()
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{
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return FormatHeader.SampleRate;
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return m_FormatHeader.SampleRate;
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}
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uint32 GetChannels()
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{
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return FormatHeader.NumChannels;
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return m_FormatHeader.NumChannels;
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}
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void Seek(uint32 milliseconds)
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{
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if (!IsOpened()) return;
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fseek(pFile, DataStartOffset + ms2samples(milliseconds) / SamplesPerBlock * FormatHeader.BlockAlign, SEEK_SET);
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fseek(m_pFile, m_DataStartOffset + ms2samples(milliseconds) / m_nSamplesPerBlock * m_FormatHeader.BlockAlign, SEEK_SET);
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}
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uint32 Tell()
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{
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if (!IsOpened()) return 0;
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return samples2ms((ftell(pFile) - DataStartOffset) / FormatHeader.BlockAlign * SamplesPerBlock);
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return samples2ms(GetCurrentSample());
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}
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#define SAMPLES_IN_LINE (8)
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@ -309,52 +325,61 @@ public:
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{
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if (!IsOpened()) return 0;
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if (FormatHeader.AudioFormat == WAVEFMT_PCM)
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if (m_FormatHeader.AudioFormat == WAVEFMT_PCM)
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{
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uint32 size = fread(buffer, 1, GetBufferSize(), pFile);
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if (FormatHeader.NumChannels == 2)
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// just read the file and sort the samples
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uint32 size = fread(buffer, 1, GetBufferSize(), m_pFile);
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if (m_FormatHeader.NumChannels == 2)
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SortStereoBuffer.SortStereo(buffer, size);
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return size;
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}
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else if (FormatHeader.AudioFormat == WAVEFMT_IMA_ADPCM)
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else if (m_FormatHeader.AudioFormat == WAVEFMT_IMA_ADPCM)
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{
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uint32 MaxSamples = GetBufferSamples() / FormatHeader.NumChannels;
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uint32 CurSample = (ftell(pFile) - DataStartOffset) / FormatHeader.BlockAlign * SamplesPerBlock;
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// trim the buffer size if we're at the end of our file
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uint32 nMaxSamples = GetBufferSamples() / m_FormatHeader.NumChannels;
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uint32 nSamplesLeft = m_nSampleCount - GetCurrentSample();
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nMaxSamples = Min(nMaxSamples, nSamplesLeft);
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MaxSamples = Min(MaxSamples, SampleCount - CurSample);
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MaxSamples = MaxSamples / SamplesPerBlock * SamplesPerBlock;
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uint32 OutBufSizePerChannel = MaxSamples * GetSampleSize();
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uint32 OutBufSize = OutBufSizePerChannel * FormatHeader.NumChannels;
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int16** buffers = new int16*[FormatHeader.NumChannels];
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CImaADPCMDecoder* decoders = new CImaADPCMDecoder[FormatHeader.NumChannels];
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for (uint32 i = 0; i < FormatHeader.NumChannels; i++)
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buffers[i] = (int16*)((int8*)buffer + OutBufSizePerChannel * i);
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// align sample count to our block
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nMaxSamples = nMaxSamples / m_nSamplesPerBlock * m_nSamplesPerBlock;
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// count the size of output buffer
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uint32 OutBufSizePerChannel = nMaxSamples * GetSampleSize();
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uint32 OutBufSize = OutBufSizePerChannel * m_FormatHeader.NumChannels;
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// calculate the pointers to individual channel buffers
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for (uint32 i = 0; i < m_FormatHeader.NumChannels; i++)
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m_ppPcmBuffers[i] = (int16*)((int8*)buffer + OutBufSizePerChannel * i);
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uint32 samplesRead = 0;
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while (samplesRead < MaxSamples)
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while (samplesRead < nMaxSamples)
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{
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uint8* AdpcmBuf = AdpcmBlock;
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if (fread(AdpcmBlock, 1, FormatHeader.BlockAlign, pFile) == 0)
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// read the file
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uint8 *pAdpcmBuf = m_pAdpcmBuffer;
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if (fread(m_pAdpcmBuffer, 1, m_FormatHeader.BlockAlign, m_pFile) == 0)
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return 0;
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for (uint32 i = 0; i < FormatHeader.NumChannels; i++)
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// get the first sample in adpcm block and initialise the decoder(s)
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for (uint32 i = 0; i < m_FormatHeader.NumChannels; i++)
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{
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int16 Sample = *(int16*)AdpcmBuf;
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AdpcmBuf += sizeof(int16);
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int16 Step = *(int16*)AdpcmBuf;
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AdpcmBuf += sizeof(int16);
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decoders[i].Init(Sample, Step);
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*(buffers[i]) = Sample;
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buffers[i]++;
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int16 Sample = *(int16*)pAdpcmBuf;
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pAdpcmBuf += sizeof(int16);
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int16 Step = *(int16*)pAdpcmBuf;
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pAdpcmBuf += sizeof(int16);
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m_pAdpcmDecoders[i].Init(Sample, Step);
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*(m_ppPcmBuffers[i]) = Sample;
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m_ppPcmBuffers[i]++;
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}
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samplesRead++;
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for (uint32 s = 1; s < SamplesPerBlock; s += SAMPLES_IN_LINE)
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// decode the rest of the block
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for (uint32 s = 1; s < m_nSamplesPerBlock; s += SAMPLES_IN_LINE)
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{
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for (uint32 i = 0; i < FormatHeader.NumChannels; i++)
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for (uint32 i = 0; i < m_FormatHeader.NumChannels; i++)
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{
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decoders[i].Decode(AdpcmBuf, buffers[i], SAMPLES_IN_LINE / 2);
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AdpcmBuf += SAMPLES_IN_LINE / 2;
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buffers[i] += SAMPLES_IN_LINE;
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m_pAdpcmDecoders[i].Decode(pAdpcmBuf, m_ppPcmBuffers[i], SAMPLES_IN_LINE / 2);
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pAdpcmBuf += SAMPLES_IN_LINE / 2;
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m_ppPcmBuffers[i] += SAMPLES_IN_LINE;
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}
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samplesRead += SAMPLES_IN_LINE;
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}
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@ -613,68 +638,68 @@ public:
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class CVbFile : public IDecoder
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{
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FILE* pFile;
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size_t m_FileSize;
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size_t m_nNumberOfBlocks;
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CVagDecoder* decoders;
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FILE *m_pFile;
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CVagDecoder *m_pVagDecoders;
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uint32 m_nSampleRate;
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uint8 m_nChannels;
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bool m_bBlockRead;
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uint16 m_LineInBlock;
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size_t m_CurrentBlock;
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size_t m_FileSize;
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size_t m_nNumberOfBlocks;
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uint8** ppTempBuffers;
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int16** buffers;
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uint32 m_nSampleRate;
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uint8 m_nChannels;
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bool m_bBlockRead;
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uint16 m_LineInBlock;
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size_t m_CurrentBlock;
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uint8 **m_ppVagBuffers; // buffers that cache actual ADPCM file data
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int16 **m_ppPcmBuffers;
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void ReadBlock(int32 block = -1)
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{
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// just read next block if -1
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if (block != -1)
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fseek(pFile, block * m_nChannels * VB_BLOCK_SIZE, SEEK_SET);
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fseek(m_pFile, block * m_nChannels * VB_BLOCK_SIZE, SEEK_SET);
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for (int i = 0; i < m_nChannels; i++)
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fread(ppTempBuffers[i], VB_BLOCK_SIZE, 1, pFile);
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fread(m_ppVagBuffers[i], VB_BLOCK_SIZE, 1, m_pFile);
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m_bBlockRead = true;
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}
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public:
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CVbFile(const char* path, uint32 nSampleRate = 32000, uint8 nChannels = 2) : m_nSampleRate(nSampleRate), m_nChannels(nChannels), decoders(nil), ppTempBuffers(nil), buffers(nil),
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CVbFile(const char* path, uint32 nSampleRate = 32000, uint8 nChannels = 2) : m_nSampleRate(nSampleRate), m_nChannels(nChannels), m_pVagDecoders(nil), m_ppVagBuffers(nil), m_ppPcmBuffers(nil),
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m_FileSize(0), m_nNumberOfBlocks(0), m_bBlockRead(false), m_LineInBlock(0), m_CurrentBlock(0)
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{
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pFile = fopen(path, "rb");
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if (!pFile) return;
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m_pFile = fopen(path, "rb");
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if (!m_pFile) return;
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fseek(m_pFile, 0, SEEK_END);
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m_FileSize = ftell(m_pFile);
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fseek(m_pFile, 0, SEEK_SET);
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fseek(pFile, 0, SEEK_END);
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m_FileSize = ftell(pFile);
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fseek(pFile, 0, SEEK_SET);
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m_nNumberOfBlocks = m_FileSize / (nChannels * VB_BLOCK_SIZE);
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decoders = new CVagDecoder[nChannels];
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m_CurrentBlock = 0;
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m_LineInBlock = 0;
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m_bBlockRead = false;
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ppTempBuffers = new uint8*[nChannels];
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buffers = new int16*[nChannels];
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m_pVagDecoders = new CVagDecoder[nChannels];
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m_ppVagBuffers = new uint8*[nChannels];
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m_ppPcmBuffers = new int16*[nChannels];
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for (uint8 i = 0; i < nChannels; i++)
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ppTempBuffers[i] = new uint8[VB_BLOCK_SIZE];
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m_ppVagBuffers[i] = new uint8[VB_BLOCK_SIZE];
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}
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~CVbFile()
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{
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if (pFile)
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if (m_pFile)
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{
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fclose(pFile);
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delete[] decoders;
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fclose(m_pFile);
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delete[] m_pVagDecoders;
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for (int i = 0; i < m_nChannels; i++)
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delete[] ppTempBuffers[i];
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delete[] ppTempBuffers;
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delete[] buffers;
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delete[] m_ppVagBuffers[i];
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delete[] m_ppVagBuffers;
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delete[] m_ppPcmBuffers;
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}
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}
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bool IsOpened()
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{
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return pFile != nil;
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return m_pFile != nil;
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}
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uint32 GetSampleSize()
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@ -702,6 +727,8 @@ public:
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{
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if (!IsOpened()) return;
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uint32 samples = ms2samples(milliseconds);
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// find the block of our sample
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uint32 block = samples / NUM_VAG_SAMPLES_IN_BLOCK;
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if (block > m_nNumberOfBlocks)
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{
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@ -711,6 +738,7 @@ public:
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if (block != m_CurrentBlock)
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m_bBlockRead = false;
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// find a line of our sample within our block
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uint32 remainingSamples = samples - block * NUM_VAG_SAMPLES_IN_BLOCK;
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uint32 newLine = remainingSamples / VAG_SAMPLES_IN_LINE / VAG_LINE_SIZE;
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@ -719,7 +747,7 @@ public:
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m_CurrentBlock = block;
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m_LineInBlock = newLine;
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for (uint32 i = 0; i < GetChannels(); i++)
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decoders[i].ResetState();
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m_pVagDecoders[i].ResetState();
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}
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}
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@ -735,35 +763,38 @@ public:
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{
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if (!IsOpened()) return 0;
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if (m_CurrentBlock >= m_nNumberOfBlocks) return 0;
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// cache current ADPCM block
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if (!m_bBlockRead)
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ReadBlock(m_CurrentBlock);
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if (m_CurrentBlock == m_nNumberOfBlocks) return 0;
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int size = 0;
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// trim the buffer size if we're at the end of our file
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int numberOfRequiredLines = GetBufferSamples() / m_nChannels / VAG_SAMPLES_IN_LINE;
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int numberOfRemainingLines = (m_nNumberOfBlocks - m_CurrentBlock) * NUM_VAG_LINES_IN_BLOCK - m_LineInBlock;
|
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int bufSizePerChannel = Min(numberOfRequiredLines, numberOfRemainingLines) * VAG_SAMPLES_IN_LINE * GetSampleSize();
|
||||
|
||||
if (numberOfRequiredLines > numberOfRemainingLines)
|
||||
numberOfRemainingLines = numberOfRemainingLines;
|
||||
|
||||
// calculate the pointers to individual channel buffers
|
||||
for (uint32 i = 0; i < m_nChannels; i++)
|
||||
buffers[i] = (int16*)((int8*)buffer + bufSizePerChannel * i);
|
||||
m_ppPcmBuffers[i] = (int16*)((int8*)buffer + bufSizePerChannel * i);
|
||||
|
||||
int size = 0;
|
||||
while (size < bufSizePerChannel)
|
||||
{
|
||||
// decode the VAG lines
|
||||
for (uint32 i = 0; i < m_nChannels; i++)
|
||||
{
|
||||
decoders[i].Decode(ppTempBuffers[i] + m_LineInBlock * VAG_LINE_SIZE, buffers[i], VAG_LINE_SIZE);
|
||||
buffers[i] += VAG_SAMPLES_IN_LINE;
|
||||
m_pVagDecoders[i].Decode(m_ppVagBuffers[i] + m_LineInBlock * VAG_LINE_SIZE, m_ppPcmBuffers[i], VAG_LINE_SIZE);
|
||||
m_ppPcmBuffers[i] += VAG_SAMPLES_IN_LINE;
|
||||
}
|
||||
size += VAG_SAMPLES_IN_LINE * GetSampleSize();
|
||||
m_LineInBlock++;
|
||||
|
||||
// block is over, read the next block
|
||||
if (m_LineInBlock >= NUM_VAG_LINES_IN_BLOCK)
|
||||
{
|
||||
m_CurrentBlock++;
|
||||
if (m_CurrentBlock >= m_nNumberOfBlocks)
|
||||
if (m_CurrentBlock >= m_nNumberOfBlocks) // end of file
|
||||
break;
|
||||
m_LineInBlock = 0;
|
||||
ReadBlock();
|
||||
|
|
|
|||
Loading…
Reference in a new issue