public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID ("RIFX")
if (fileReader.Read_32bitsBE(offset) != 0x52494658)
{
return(0);
}
// Check for Mark ID ("WAVE" + "fmt ")
if ((fileReader.Read_32bitsBE(offset + 0x08) == 0x57415645) && (fileReader.Read_32bitsBE(offset + 0x0C) == 0x666D7420))
{
for (UInt64 i = 0; i < 0x100; i += 4)
{
if ((fileReader.Read_32bitsBE(offset + i) == 0x766F7262) ||
(fileReader.Read_32bitsBE(offset + i) == 0x63756520) ||
(fileReader.Read_32bitsBE(offset + i) == 0x4A554E4B))
{
if (VGM_Utils.CheckSampleRate(fileReader.Read_32bitsBE(offset + 0x18)))
{
length = fileReader.Read_32bitsBE(offset + 0x04) + 0x8;
return(length);
}
}
}
}
return(0);
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID ("AUS ")
if (fileReader.Read_32bitsBE(offset) != 0x41555320)
{
return(0);
}
uint channel_count = fileReader.Read_32bits(offset + 0x0C);
uint sample_rate = fileReader.Read_32bits(offset + 0x10);
if (!VGM_Utils.CheckChannels(channel_count))
{
return(0);
}
if (!VGM_Utils.CheckSampleRate(sample_rate))
{
return(0);
}
uint fileLength = (fileReader.Read_32bits(offset + 0x08) * 28 / 16) * channel_count;
return(fileLength + 0x28);
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID (" KPV")
if (fileReader.Read_32bitsBE(offset) != 0x58564147)
{
return(0);
}
uint channel_count = fileReader.Read_32bitsBE(offset + 0x28);
uint sample_rate = fileReader.Read_32bitsBE(offset + 0x3C);
if (!VGM_Utils.CheckChannels(channel_count))
{
return(0);
}
if (!VGM_Utils.CheckSampleRate(sample_rate))
{
return(0);
}
uint fileLength = fileReader.Read_32bitsBE(offset + 0x04) + fileReader.Read_32bitsBE(offset + 0x40);
return(fileLength);
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
UInt64 start_offset;
UInt64 i;
int thpVersion = fileReader.Read_8Bits(offset + 0x06);
/* fill in the vital statistics */
start_offset = fileReader.Read_32bitsBE(offset + 0x28);
// Get info from the first block
UInt64 componentTypeOffset = offset + fileReader.Read_32bitsBE(offset + 0x20);
uint numComponents = fileReader.Read_32bitsBE(componentTypeOffset);
UInt64 componentDataOffset = componentTypeOffset + 0x14;
componentTypeOffset += 4;
for (i = 0; i < numComponents; i++)
{
if (fileReader.Read_8Bits(componentTypeOffset + i) == 1) // audio block
{
uint channel_count = fileReader.Read_32bitsBE(componentDataOffset);
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, (int)channel_count, false);
vgmStream.vgmChannelCount = (int)channel_count;
vgmStream.vgmSampleRate = (int)fileReader.Read_32bitsBE(componentDataOffset + 4);
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE(componentDataOffset + 8);
break;
}
else
{
if (thpVersion == 0x10)
{
componentDataOffset += 0x0c;
}
else
{
componentDataOffset += 0x08;
}
}
}
vgmStream.vgmTHPNextFrameSize = fileReader.Read_32bitsBE(offset + 0x18);
vgmStream.vgmDecoder = new DSP_Decoder();
vgmStream.vgmLayout = new Blocked();
vgmStream.vgmLayoutType = VGM_Layout_Type.THP_Blocked;
if (InitReader)
{
for (i = 0; i < 2; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
}
BlockedFnts.THP_Block_Update(offset + start_offset, ref vgmStream);
}
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID (" KPV")
if (fileReader.Read_32bitsBE(offset) != 0x204B5056)
{
return(0);
}
uint channel_count = fileReader.Read_32bits(offset + 0x14);
uint sample_rate = fileReader.Read_32bits(offset + 0x10);
if (!VGM_Utils.CheckChannels(channel_count))
{
return(0);
}
if (!VGM_Utils.CheckSampleRate(sample_rate))
{
return(0);
}
uint fileLength = fileReader.Read_32bits(offset + 0x04);
uint interleave = fileReader.Read_32bits(offset + 0x0C) / channel_count;
int blockCount = (int)(fileLength / interleave);
if ((fileLength % interleave) != 0)
{
blockCount++;
}
fileLength = (uint)(blockCount * interleave * channel_count);
return(fileLength + fileReader.Read_32bits(offset + 0x08));
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
bool loop_flag = (fileReader.Read_32bits(offset + 0x1C) != 0xFFFFFFFF);
int channel_count = (int)fileReader.Read_32bits(offset + 0x10);
int sample_rate = (int)fileReader.Read_32bits(offset + 0x0c);
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, loop_flag);
vgmStream.vgmLoopFlag = loop_flag;
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmSampleRate = sample_rate;
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bits(offset + 0x24) / 16 * 28 / channel_count;
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmInterleaveBlockSize = (int)fileReader.Read_32bits(offset + 0x14);
vgmStream.vgmDecoder = new PSX_Decoder();
if (loop_flag)
{
vgmStream.vgmLoopStartSample = ((int)fileReader.Read_32bits(offset + 0x18) * 0x10) / 16 * 28 / vgmStream.vgmChannelCount;
vgmStream.vgmLoopEndSample = ((int)fileReader.Read_32bits(offset + 0x1C) * 0x10) / 16 * 28 / vgmStream.vgmChannelCount;
if (vgmStream.vgmLoopEndSample > vgmStream.vgmTotalSamples)
{
vgmStream.vgmLoopStartSample = ((int)fileReader.Read_32bits(offset + 0x18)) / 16 * 28 / vgmStream.vgmChannelCount;
vgmStream.vgmLoopEndSample = ((int)fileReader.Read_32bits(offset + 0x1C)) / 16 * 28 / vgmStream.vgmChannelCount;
}
}
UInt64 start_offset = offset + 0x28;
if (!VGM_Utils.IsPS2ADPCM(fileReader, start_offset, start_offset + 0x8000))
{
start_offset = offset + 0x800;
if (!VGM_Utils.IsPS2ADPCM(fileReader, start_offset, start_offset + 0x8000))
{
start_offset = offset + 0x28;
vgmStream.vgmDecoder = new PCM16_Decoder();
vgmStream.vgmDecoderType = VGM_Decoder_Type.PCM16BITS;
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bits(offset + 0x24) / 2 / channel_count;
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)fileReader.Read_32bits(offset + 0x18);
vgmStream.vgmLoopEndSample = (int)fileReader.Read_32bits(offset + 0x1C);
}
}
}
if (InitReader)
{
for (int i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
vgmStream.vgmChannel[i].startOffset = vgmStream.vgmChannel[i].currentOffset = start_offset + (UInt64)(vgmStream.vgmInterleaveBlockSize * i);
}
}
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID ("SShd")
if (fileReader.Read_32bitsBE(offset) != 0x53536864)
{
return(0);
}
// Check for Mark ID ("SSbd")
if (fileReader.Read_32bitsBE(offset + 0x20) != 0x53536264)
{
return(0);
}
uint channel_count = fileReader.Read_32bits(offset + 0x10);
uint sample_rate = fileReader.Read_32bits(offset + 0x0c);
if (!VGM_Utils.CheckChannels(channel_count))
{
return(0);
}
if (!VGM_Utils.CheckSampleRate(sample_rate))
{
return(0);
}
uint fileLength = fileReader.Read_32bits(offset + 0x024);
return(fileLength + 0x28);
}
public void Decode(VGM_Stream vgmStream, VGM_Channel vgmChannel, ref short[] vgmOutput, int vgmChannelSpacing,
int vgmFirstSample, int vgmSamplesToDo, int vgmChannelNumber)
{
int vgmSampleCount, i;
int framesin = vgmFirstSample / 32;
int scale = vgmChannel.fReader.Read_16bitsBE((vgmChannel.currentOffset + (UInt64)(framesin * 18))) + 1;
int vgmSampleHistory1 = vgmChannel.adpcm_history_32bits_1;
int vgmSampleHistory2 = vgmChannel.adpcm_history_32bits_2;
int coef1 = vgmChannel.adpcm_coef[0];
int coef2 = vgmChannel.adpcm_coef[1];
int vgmSample;
vgmFirstSample = vgmFirstSample % 32;
for (i = vgmFirstSample, vgmSampleCount = 0; i < vgmFirstSample + vgmSamplesToDo; i++, vgmSampleCount += vgmChannelSpacing)
{
int sample_byte = vgmChannel.fReader.Read_8Bits(vgmChannel.currentOffset + (UInt64)((framesin * 18) + 2 + i / 2));
sample_byte = (((i & 1) == 1) ? VGM_Utils.LOWNIBBLE_SIGNED(sample_byte) : VGM_Utils.HINIBBLE_SIGNED(sample_byte));
vgmSample = (sample_byte * scale);
vgmSample += (((coef1 * vgmSampleHistory1) + (coef2 * vgmSampleHistory2)) >> 12);
vgmOutput[vgmStream.vgmSamplesBlockOffset + vgmSampleCount + vgmChannelNumber] = VGM_Utils.clamp16(vgmSample);
vgmSampleHistory2 = vgmSampleHistory1;
vgmSampleHistory1 = vgmSample;
}
vgmChannel.adpcm_history_32bits_1 = vgmSampleHistory1;
vgmChannel.adpcm_history_32bits_2 = vgmSampleHistory2;
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID ("RIFF")
if (fileReader.Read_32bitsBE(offset) != 0x52494646)
{
return(0);
}
// Check for Mark ID ("WAVE" + "fmt ")
if ((fileReader.Read_32bitsBE(offset + 0x08) == 0x57415645) && (fileReader.Read_32bitsBE(offset + 0x0C) == 0x666D7420))
{
if (fileReader.Read_16bits(offset + 0x14) == 0xFFFE)
{
if ((fileReader.Read_32bitsBE(offset + 0x2C) == 0xBFAA23E9) &&
(fileReader.Read_32bitsBE(offset + 0x30) == 0x58CB7144) &&
(fileReader.Read_32bitsBE(offset + 0x34) == 0xA119FFFA))
{
if (VGM_Utils.CheckSampleRate(fileReader.Read_16bits(offset + 0x18)))
{
length = fileReader.Read_32bits(offset + 0x04) + 0x8;
return(length);
}
}
}
}
return(0);
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
bool loop_flag = (fileReader.Read_32bits(offset + 0x14) == 1);
int channel_count = (int)fileReader.Read_32bits(offset + 0x0C);
if (fileReader.Read_32bits(offset + 0x30) == 0x45434B2E)
{
m_Description = "Konami SVAG (KCE-Tokyo)";
}
else
{
m_Description = "Konami SVAG (KONAMITYO)";
}
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, loop_flag);
/* fill in the vital statistics */
UInt64 start_offset = offset + 0x800;
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmSampleRate = (int)fileReader.Read_32bits(offset + 0x08);
vgmStream.vgmDecoder = new PSX_Decoder();
if (vgmStream.vgmChannelCount == 1)
{
vgmStream.vgmLayout = new NoLayout();
}
else
{
vgmStream.vgmLayout = new Interleave();
}
vgmStream.vgmLoopFlag = loop_flag;
vgmStream.vgmTotalSamples = (int)((fileReader.Read_32bits(offset + 0x04) * 28 / 16) / channel_count);
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)(fileReader.Read_32bits(offset + 0x18) / 16 * 28);
vgmStream.vgmLoopEndSample = (int)(fileReader.Read_32bits(offset + 0x04) / 16 * 28 / vgmStream.vgmChannelCount);
}
vgmStream.vgmInterleaveBlockSize = (int)fileReader.Read_32bits(offset + 0x10);
if (InitReader)
{
for (int i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].startOffset = vgmStream.vgmChannel[i].currentOffset = start_offset + (UInt64)(vgmStream.vgmInterleaveBlockSize * i);
}
}
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
int vgmNumSamples = 0;
int loop_start = -1;
UInt64 NextBlock;
UInt64 currBlock = offset;
int i;
// Calculate sample length ...
uint blockCount = fileReader.Read_32bitsBE(offset + 0x24);
for (i = 0; i < blockCount; i++)
{
NextBlock = fileReader.Read_32bitsBE(currBlock + 0x04);
vgmNumSamples += (int)(fileReader.Read_32bitsBE(currBlock + 0x14) / 8 * 14);
if (fileReader.Read_32bitsBE(currBlock + 0x20) == fileReader.Read_32bitsBE(currBlock + 0x08))
{
loop_start = (int)(vgmNumSamples - fileReader.Read_32bitsBE(currBlock + 0x14) / 8 * 14);
}
currBlock += NextBlock;
}
bool loop_flag = (loop_start != -1);
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, 2, loop_flag);
vgmStream.vgmLoopFlag = loop_flag;
vgmStream.vgmChannelCount = 2;
vgmStream.vgmSampleRate = 32000;
vgmStream.vgmTotalSamples = vgmNumSamples;
if (loop_flag)
{
vgmStream.vgmLoopStartSample = loop_start;
vgmStream.vgmLoopEndSample = vgmNumSamples;
}
vgmStream.vgmDecoder = new DSP_Decoder();
vgmStream.vgmLayout = new Blocked();
vgmStream.vgmLayoutType = VGM_Layout_Type.CAF_Blocked;
if (InitReader)
{
for (i = 0; i < 2; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
}
BlockedFnts.CAF_Block_Update(offset + 0, ref vgmStream);
}
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
if (fileReader.Read_32bitsBE(offset + 0) != 0x5253544D) /* "RSTM" */
{
return(0);
}
if ((fileReader.Read_32bitsBE(offset + 0x04) != 0xFEFF0100) && (fileReader.Read_32bitsBE(offset + 0x04) != 0xFEFF0001))
{
return(0);
}
/* get head offset, check */
UInt64 head_offset = fileReader.Read_16bitsBE(offset + 0x0C);
if (head_offset == 0x10)
{
m_Description = "Nintendo RSTM Header v1";
}
else
{
m_Description = "Nintendo RSTM Header v2";
}
UInt64 rl_head_offset = head_offset + offset;
if (fileReader.Read_32bitsBE(head_offset + offset) != 0x48454144) /* "HEAD" */
{
return(0);
}
/* check type details */
byte codec_number = fileReader.Read_8Bits((head_offset == 0x10) ? rl_head_offset + 0x8 : rl_head_offset + 0x20);
bool loop_flag = (fileReader.Read_8Bits((head_offset == 0x10) ? rl_head_offset + 0x19 : rl_head_offset + 0x21) != 0);
uint channel_count = fileReader.Read_8Bits((head_offset == 0x10) ? rl_head_offset + 0xa : rl_head_offset + 0x22);
uint sample_rate = fileReader.Read_16bitsBE((head_offset == 0x10) ? rl_head_offset + 0xc : rl_head_offset + 0x24);
if (!VGM_Utils.CheckChannels(channel_count))
{
return(0);
}
if (!VGM_Utils.CheckSampleRate(sample_rate))
{
return(0);
}
if (codec_number > 2)
{
return(0);
}
return(fileReader.Read_32bitsBE(offset + 0x08));
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
Int16[] coef = new Int16[16] {
0x04ab, -0x0313, 0x0789, -0x0121, 0x09a2, -0x051b, 0x0c90, -0x053f, 0x084d, -0x055c, 0x0982, -0x0209, 0x0af6, -0x0506, 0x0be6, -0x040b
};
int channel_count = fileReader.Read_8Bits(offset + 0x16);
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, false);
vgmStream.vgmDecoder = new DSP_Decoder();
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmLoopFlag = false;
vgmStream.vgmTotalSamples = (int)(fileReader.Read_32bits(offset + 0x42) / 8 * 14) / channel_count;
vgmStream.vgmSampleRate = fileReader.Read_16bits(offset + 0x18);
if (channel_count == 1)
{
vgmStream.vgmLayout = new NoLayout();
}
else
{
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmLayoutType = VGM_Layout_Type.Interleave_With_Shortblock;
}
vgmStream.vgmInterleaveBlockSize = 0x08;
int i, j;
for (j = 0; j < vgmStream.vgmChannelCount; j++)
{
for (i = 0; i < 16; i++)
{
vgmStream.vgmChannel[j].adpcm_coef[i] = coef[i];
}
}
UInt64 start_offset = offset + 0x46;
if (InitReader)
{
for (i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
vgmStream.vgmChannel[i].currentOffset = start_offset + (UInt64)(i * vgmStream.vgmInterleaveBlockSize);
}
}
}
public int update(ref short[] vgmBuffer, int vgmSampleCount, VGM_Stream vgmStream)
{
int i;
int samples_written = 0;
int samples_this_block = vgmStream.vgmTotalSamples;
int samples_per_frame = vgmStream.vgmDecoder.SamplesPerFrame();
vgmStream.vgmSamplesBlockOffset = 0;
if (vgmStream.vgmDecodedSamples >= vgmStream.vgmTotalSamplesWithLoop)
{
return(0);
}
while (samples_written < vgmSampleCount)
{
int samples_to_do;
if (vgmStream.vgmLoopFlag && VGM_Utils.vgmstream_do_loop(vgmStream))
{
continue;
}
samples_to_do = VGM_Utils.vgmstream_samples_to_do(samples_this_block, samples_per_frame, vgmStream);
if (samples_written + samples_to_do > vgmSampleCount)
{
samples_to_do = vgmSampleCount - samples_written;
}
for (i = 0; i < vgmStream.vgmChannelCount; i++)
{
vgmStream.vgmDecoder.Decode(vgmStream, vgmStream.vgmChannel[i], ref vgmBuffer, vgmStream.vgmChannelCount, vgmStream.vgmSamplesIntoBlock, samples_to_do, i);
}
vgmStream.vgmSamplesBlockOffset += samples_to_do * vgmStream.vgmChannelCount;
samples_written += samples_to_do;
vgmStream.vgmSamplePlayed += samples_to_do;
vgmStream.vgmDecodedSamples += samples_to_do;
if (vgmStream.vgmDecodedSamples >= vgmStream.vgmTotalSamplesWithLoop)
{
return(samples_written);
}
vgmStream.vgmSamplesIntoBlock += samples_to_do;
}
return(samples_written);
}
public VGM_Decoding(VGM_Stream vgmStream, StreamReader.IReader fileReader)
{
m_vgmStream = vgmStream;
m_fileReader = fileReader;
if (m_WavFormat != null)
{
m_WavFormat = null;
}
m_WavFormat = new NAudio.Wave.WaveFormat(vgmStream.vgmSampleRate, vgmStream.vgmChannelCount);
m_FadeSamples = (int)(m_FadeSeconds * vgmStream.vgmSampleRate);
m_vgmStream.vgmDecodedSamples = 0;
m_vgmStream.vgmTotalSamplesWithLoop = VGM_Utils.get_vgmstream_play_samples(2, m_FadeSeconds, 0, vgmStream);
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
int i;
bool loop_flag = (fileReader.Read_32bits(offset + 0x14) != 0);
int channel_count = (int)fileReader.Read_32bits(offset + 0x1C);
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, loop_flag);
/* fill in the vital statistics */
UInt64 start_offset = offset + fileReader.Read_32bits(offset + 0x08);
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmSampleRate = (int)fileReader.Read_32bits(offset + 0x18);
vgmStream.vgmDecoder = new PSX_Decoder();
if (channel_count == 1)
{
vgmStream.vgmLayout = new NoLayout();
}
else
{
vgmStream.vgmLayout = new Interleave();
}
vgmStream.vgmLoopFlag = loop_flag;
vgmStream.vgmTotalSamples = (int)(fileReader.Read_32bits(offset + 0x0C) * 28 / 16 / channel_count);
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)((fileReader.Read_32bits(offset + 0x0C) - fileReader.Read_32bits(offset + 0x14)) * 28 / 16 / channel_count);
vgmStream.vgmLoopEndSample = (int)(fileReader.Read_32bits(offset + 0x0C) * 28 / 16 / channel_count);
}
vgmStream.vgmInterleaveBlockSize = (int)fileReader.Read_32bits(offset + 0x24);
if (InitReader)
{
for (i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].startOffset = vgmStream.vgmChannel[i].currentOffset = start_offset + (UInt64)(vgmStream.vgmInterleaveBlockSize * i);
}
}
}
public void Decode(VGM_Stream vgmStream, VGM_Channel vgmChannel, ref short[] vgmOutput, int vgmChannelSpacing,
int vgmFirstSample, int vgmSamplesToDo, int vgmChannelNumber)
{
int framesin = vgmFirstSample / 14;
vgmFirstSample = vgmFirstSample % 14;
byte header = vgmChannel.fReader.Read_8Bits(vgmChannel.currentOffset + (UInt64)(framesin * 8));
int scale = 1 << (header & 0xf);
int coef_index = (header >> 4) & 0xf;
int vgmSampleHistory1 = vgmChannel.adpcm_history_32bits_1;
int vgmSampleHistory2 = vgmChannel.adpcm_history_32bits_2;
try
{
int coef1 = vgmChannel.adpcm_coef[coef_index * 2];
int coef2 = vgmChannel.adpcm_coef[coef_index * 2 + 1];
int vgmSampleCount, i;
int vgmSample;
for (i = vgmFirstSample, vgmSampleCount = 0; i < vgmFirstSample + vgmSamplesToDo; i++, vgmSampleCount += vgmChannelSpacing)
{
int sample_byte = vgmChannel.fReader.Read_8Bits(vgmChannel.currentOffset + (UInt64)(framesin * 8 + 1 + i / 2));
vgmSample = (((i & 1) == 1) ? VGM_Utils.LOWNIBBLE_SIGNED(sample_byte)
: VGM_Utils.HINIBBLE_SIGNED(sample_byte));
vgmSample = ((vgmSample * scale) << 11) + 1024;
vgmSample = vgmSample + (coef1 * vgmSampleHistory1 + coef2 * vgmSampleHistory2);
vgmSample = vgmSample >> 11;
vgmOutput[vgmStream.vgmSamplesBlockOffset + vgmSampleCount + vgmChannelNumber] = VGM_Utils.clamp16(vgmSample);
vgmSampleHistory2 = vgmSampleHistory1;
vgmSampleHistory1 = vgmSample;
}
vgmChannel.adpcm_history_32bits_1 = vgmSampleHistory1;
vgmChannel.adpcm_history_32bits_2 = vgmSampleHistory2;
}
catch (Exception e)
{
Console.Write(e.Message + " in DSP_Decoder");
}
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID ("Svag")
if (fileReader.Read_32bitsBE(offset) != 0x53766167)
{
return(0);
}
// Check for Sample Rate
if (!VGM_Utils.CheckSampleRate(fileReader.Read_32bits(offset + 0x08)))
{
return(0);
}
// Check Channels count
if (!VGM_Utils.CheckChannels(fileReader.Read_32bits(offset + 0x0C)))
{
return(0);
}
// Values from 0 -> 0x1C are duplicated at offset 0x400
for (UInt64 i = 0; i < 0x1C / 4; i++)
{
if (fileReader.Read_32bits(offset + i) != fileReader.Read_32bits(offset + 0x400 + i))
{
return(0);
}
}
// Try to find file Length
UInt64 startOffset = 0x800;
UInt64 fileLength = fileReader.Read_32bits(offset + 0x04);
//if (!VGM_Utils.IsPS2ADPCM(fileReader, startOffset + offset, startOffset + offset + fileLength))
// return 0;
if (fileReader.Read_32bits(offset + 0x30) == 0x45434B2E)
{
m_Description = "Konami SVAG (KCE-Tokyo)";
}
else
{
m_Description = "Konami SVAG (KONAMITYO)";
}
return(fileLength + startOffset);
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID ("NPSF")
if (fileReader.Read_32bitsBE(offset) != 0x4E505346)
{
return(0);
}
uint channel_count = fileReader.Read_32bits(offset + 0x0C);
uint sample_rate = fileReader.Read_32bits(offset + 0x18);
if (!VGM_Utils.CheckChannels(channel_count))
{
return(0);
}
if (!VGM_Utils.CheckSampleRate(sample_rate))
{
return(0);
}
if (fileReader.Read_32bits(offset + 0x10) != 0x800)
{
return(0);
}
uint fileLength = fileReader.Read_32bits(offset + 0x08);
m_Filename = fileReader.Read_String(offset + 0x34, 0x20);
if (channel_count == 1)
{
return(fileLength + 0x800);
}
else
{
uint blockCount = fileLength / 0x800;
if ((fileLength % 0x800) != 0)
{
blockCount++;
}
fileLength = (blockCount * channel_count * 0x800) + 0x800;
}
return(fileLength);
}
public UInt64 IsFormat(StreamReader.IReader fileReader, UInt64 offset, UInt64 length)
{
// Check for Mark ID ("VAGx") where x can be "p","i","s"
if ((fileReader.Read_32bitsBE(offset) & 0xFFFFFF00) != 0x56414700)
{
return(0);
}
uint vagLength = fileReader.Read_32bitsBE(offset + 0x0C) + 0x30;
if (fileReader.Read_32bitsBE(offset + 0x24) == 0x56414778)
{
uint k = 0;
do
{
k += 0x10;
vagLength += 0x10;
}while (fileReader.Read_16bitsBE(offset + fileReader.Read_32bitsBE(offset + 0x0C) + k) != 0x0007);
}
if ((length != (UInt64)(0xFFFFFFFFF)) && (vagLength != length))
{
return(0);
}
// Check for Sample Rate
if (!VGM_Utils.CheckSampleRate(fileReader.Read_32bitsBE(offset + 0x10)))
{
return(0);
}
if (!VGM_Utils.IsPS2ADPCM(fileReader, offset + 0x30, offset + vagLength))
{
return(0);
}
// Filename is stored at offset +0x20
m_Filename = fileReader.Read_String(offset + 0x20, 0x10);
return(vagLength + 0x30);
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
bool loop_flag = (fileReader.Read_32bits(offset + 0x7FC) != 0);
int channel_count = (int)fileReader.Read_32bits(offset + 0x14);
int sample_rate = (int)fileReader.Read_32bits(offset + 0x10);
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, loop_flag);
vgmStream.vgmLoopFlag = loop_flag;
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmSampleRate = sample_rate;
vgmStream.vgmTotalSamples = (int)(fileReader.Read_32bits(offset + 0x04) * 28 / 16);
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmInterleaveBlockSize = (int)(fileReader.Read_32bits(offset + 0x0C) / 2);
vgmStream.vgmDecoder = new PSX_Decoder();
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)fileReader.Read_32bits(offset + 0x7FC) * 28 / 16;
vgmStream.vgmLoopEndSample = vgmStream.vgmTotalSamples;
}
UInt64 start_offset = offset + fileReader.Read_32bits(offset + 08);
if (InitReader)
{
for (int i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
vgmStream.vgmChannel[i].startOffset = vgmStream.vgmChannel[i].currentOffset = start_offset + (UInt64)(vgmStream.vgmInterleaveBlockSize * i);
}
}
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
byte[] mibBuffer = new byte[0x10];
byte[] testBuffer = new byte[0x10];
byte[] testBuffer2 = new byte[0x10];
byte[] testBuffer3 = new byte[0x10];
//bool doChannelUpdate=true;
//bool bDoUpdateInterleave=true;
UInt64 loopStart = 0;
UInt64 loopEnd = 0;
UInt64 interleave = 0;
UInt64 readOffset = offset;
UInt64[] loopStartPoints = new UInt64[0x10];
int loopStartPointsCount = 0;
UInt64[] loopEndPoints = new UInt64[0x10];
int loopEndPointsCount = 0;
byte[] emptyLine = new byte[0x10];
bool loopToEnd = false;
bool forceNoLoop = false;
bool bolSaveEmptyLine = true;
int i, channel_count = 0;
bool interleave_found = false;
UInt64 tstCount = 0;
UInt64[] emptyLineOffset = new UInt64[100];
uint emptyLineCount = 0;
uint max_interleave = 0;
uint max_interleave_index = 0;
// Initialize loop point to 0
for (i = 0; i < 0x10; i++)
{
loopStartPoints[i] = 0;
loopEndPoints[i] = 0;
testBuffer[i] = 0;
emptyLine[i] = 0;
}
//if (this.Filename.ToUpper().Contains(".MIB"))
/* Search for interleave value & loop points */
/* Get the first 16 values */
mibBuffer = fileReader.Read(offset, 0x10);
if (MemoryReader.memcmp(mibBuffer, emptyLine, 0x10, 0))
{
tstCount = 0x10;
//readOffset += 0x10;
}
else
{
tstCount = 0x0e;
}
do
{
testBuffer = fileReader.Read(readOffset, 0x10);
// be sure to point to an interleave value
if (!interleave_found)
{
if (MemoryReader.memcmp(testBuffer, emptyLine, tstCount, 0x10 - tstCount))
{
// don't need to stock all empty lines :P
if (emptyLineCount >= 100)
{
emptyLineCount = 0;
}
if (emptyLineCount >= 1)
{
if ((readOffset - offset) > 0x60000)
{
bolSaveEmptyLine = false;
}
}
if (bolSaveEmptyLine)
{
emptyLineOffset[emptyLineCount] = readOffset;
emptyLineCount++;
}
}
}
// Loop Start ...
if (testBuffer[0x01] == 0x06)
{
if (loopStartPointsCount < 0x10)
{
loopStartPoints[loopStartPointsCount] = readOffset - offset - 0x10;
loopStartPointsCount++;
}
}
// Loop End ...
if (((testBuffer[0x01] == 0x03) && (testBuffer[0x03] != 0x77)) ||
(testBuffer[0x01] == 0x01))
{
if (loopEndPointsCount < 0x10)
{
loopEndPoints[loopEndPointsCount] = readOffset - offset; //-0x10;
loopEndPointsCount++;
}
if (testBuffer[0x01] == 0x01)
{
forceNoLoop = true;
}
}
if (testBuffer[0x01] == 0x04)
{
// 0x04 loop points flag can't be with a 0x03 loop points flag
if (loopStartPointsCount < 0x10)
{
if ((readOffset - offset) == 0)
{
loopStartPoints[loopStartPointsCount] = 0;
}
else
{
loopStartPoints[loopStartPointsCount] = readOffset - offset;
}
loopStartPointsCount++;
// Loop end value is not set by flags ...
// go until end of file
loopToEnd = true;
}
}
readOffset += 0x10;
} while (readOffset < (offset + fileLength));
// Try to find biggest interleave value
if (emptyLineCount > 1)
{
for (uint count = 1; count < emptyLineCount; count++)
{
if (((uint)(emptyLineOffset[count] - emptyLineOffset[count - 1])) > max_interleave)
{
max_interleave = (uint)(emptyLineOffset[count] - emptyLineOffset[count - 1]);
max_interleave_index = count;
}
}
if (max_interleave_index != 0)
{
interleave = (uint)(emptyLineOffset[max_interleave_index] - emptyLineOffset[0]);
}
}
if ((testBuffer[0] == 0x0c) && (testBuffer[1] == 0))
{
forceNoLoop = true;
}
if (channel_count == 0)
{
channel_count = 1;
}
// Calc Loop Points & Interleave ...
if (loopStartPointsCount >= channel_count)
{
// can't get more then 0x10 loop point !
// and need at least 2 loop points
if ((loopStartPointsCount <= 0x0F) && (loopStartPointsCount >= 2))
{
// Always took the first 2 loop points
interleave = loopStartPoints[loopStartPointsCount - 1] - loopStartPoints[loopStartPointsCount - 2];
loopStart = loopStartPoints[1];
// Can't be one channel .mib with interleave values
if ((interleave > 0) && (channel_count == 1))
{
channel_count = 2;
}
}
else
{
loopStart = 0;
}
}
if (loopEndPointsCount >= channel_count)
{
// can't get more then 0x10 loop point !
// and need at least 2 loop points
if ((loopEndPointsCount <= 0x0F) && (loopEndPointsCount >= 2))
{
if (loopEndPointsCount == 4)
{
if (interleave == 0)
{
interleave = loopEndPoints[3] - loopEndPoints[1];
}
else
{
interleave = loopEndPoints[loopEndPointsCount - 1] - loopEndPoints[loopEndPointsCount - 2];
}
}
loopEnd = loopEndPoints[loopEndPointsCount - 1];
if (interleave >= 0x10)
{
if (channel_count == 1)
{
channel_count = 2;
}
}
}
else
{
loopToEnd = false;
loopEnd = 0;
}
}
if (loopToEnd)
{
loopEnd = fileLength;
}
// force no loop
if (forceNoLoop)
{
loopEnd = 0;
}
if ((interleave > 0x10) && (channel_count == 1))
{
channel_count = 2;
}
if (interleave <= 0)
{
interleave = 0x10;
}
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, (loopEnd != 0));
/* fill in the vital statistics */
vgmStream.vgmDecoder = new PSX_Decoder();
if (channel_count == 1)
{
vgmStream.vgmLayout = new NoLayout();
}
else
{
vgmStream.vgmLayout = new Interleave();
}
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmInterleaveBlockSize = (int)interleave;
vgmStream.vgmLoopFlag = (loopEnd != 0);
if (m_Description == null)
{
vgmStream.vgmSampleRate = 44100;
}
else
{
if (System.IO.Path.GetExtension(m_Description).ToUpper() == ".MIB")
{
vgmStream.vgmSampleRate = 44100;
}
}
vgmStream.vgmTotalSamples = (int)(fileLength / (UInt64)16 / (UInt64)(channel_count * 28));
if (loopEnd != 0)
{
if (vgmStream.vgmChannelCount == 1)
{
vgmStream.vgmLoopStartSample = (int)loopStart / 16 * 18;
vgmStream.vgmLoopEndSample = (int)loopEnd / 16 * 28;
}
else
{
if (loopStart == 0)
{
vgmStream.vgmLoopStartSample = 0;
}
else
{
vgmStream.vgmLoopStartSample = (int)(((UInt64)(((loopStart / interleave) - 1) * interleave)) / (UInt64)((16 * 14 * channel_count) / channel_count));
if (loopStart % interleave != 0)
{
vgmStream.vgmLoopStartSample += (int)(((UInt64)((loopStart % interleave) - 1) / (UInt64)(16 * 14 * channel_count)));
}
}
if (loopEnd == fileLength)
{
vgmStream.vgmLoopEndSample = (int)((UInt64)loopEnd / (UInt64)((16 * 28) / channel_count));
}
else
{
vgmStream.vgmLoopEndSample = (int)((UInt64)(((loopEnd / interleave) - 1) * interleave) / (UInt64)((16 * 14 * channel_count) / channel_count));
if (loopEnd % interleave != 0)
{
vgmStream.vgmLoopEndSample += (int)((UInt64)((loopEnd % interleave) - 1) / (UInt64)(16 * 14 * channel_count));
}
}
}
}
if (InitReader)
{
for (i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].currentOffset = offset + (interleave * (UInt64)i);
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
}
}
}
public int update(ref short[] vgmBuffer, int vgmSampleCount, VGM_Stream vgmStream)
{
int i;
int samples_written = 0;
int frame_size = vgmStream.vgmDecoder.FrameSize();
int samples_per_frame = vgmStream.vgmDecoder.SamplesPerFrame();
int samples_this_block;
if (vgmStream.vgmDecodedSamples >= vgmStream.vgmTotalSamplesWithLoop)
{
return(0);
}
vgmStream.vgmSamplesBlockOffset = 0;
if (frame_size == 0)
{
samples_this_block = vgmStream.vgmCurrentBlockSize * 2 * samples_per_frame;
}
else
{
samples_this_block = vgmStream.vgmCurrentBlockSize / frame_size * samples_per_frame;
}
while (samples_written < vgmSampleCount)
{
int samples_to_do;
if (vgmStream.vgmLoopFlag && VGM_Utils.vgmstream_do_loop(vgmStream))
{
if (frame_size == 0)
{
samples_this_block = vgmStream.vgmCurrentBlockSize * 2 * samples_per_frame;
}
else
{
samples_this_block = vgmStream.vgmCurrentBlockSize / frame_size * samples_per_frame;
}
continue;
}
samples_to_do = VGM_Utils.vgmstream_samples_to_do(samples_this_block, samples_per_frame, vgmStream);
if (samples_written + samples_to_do > vgmSampleCount)
{
samples_to_do = vgmSampleCount - samples_written;
}
if (vgmStream.vgmCurrentBlockOffset >= 0)
{
for (i = 0; i < vgmStream.vgmChannelCount; i++)
{
vgmStream.vgmDecoder.Decode(vgmStream, vgmStream.vgmChannel[i], ref vgmBuffer, vgmStream.vgmChannelCount, vgmStream.vgmSamplesIntoBlock, samples_to_do, i);
}
}
samples_written += samples_to_do;
vgmStream.vgmSamplesBlockOffset += samples_to_do * vgmStream.vgmChannelCount;
vgmStream.vgmSamplePlayed += samples_to_do;
vgmStream.vgmDecodedSamples += samples_to_do;
vgmStream.vgmSamplesIntoBlock += samples_to_do;
if (vgmStream.vgmDecodedSamples >= vgmStream.vgmTotalSamplesWithLoop)
{
return(samples_written);
}
if (vgmStream.vgmSamplesIntoBlock == samples_this_block)
{
switch (vgmStream.vgmLayoutType)
{
case VGM_Layout_Type.CAF_Blocked:
BlockedFnts.CAF_Block_Update(vgmStream.vgmNextBlockOffset, ref vgmStream);
break;
case VGM_Layout_Type.THP_Blocked:
BlockedFnts.THP_Block_Update(vgmStream.vgmNextBlockOffset, ref vgmStream);
break;
default:
break;
}
if (frame_size == 0)
{
samples_this_block = vgmStream.vgmCurrentBlockSize * 2 * samples_per_frame;
}
else
{
samples_this_block = vgmStream.vgmCurrentBlockSize / frame_size * samples_per_frame;
}
vgmStream.vgmSamplesIntoBlock = 0;
}
}
return(samples_written);
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
UInt64 startOffset = 0;
UInt64[] start_offset = new UInt64[2] {
0x140, 0x148
};
if (fileReader.Read_32bitsBE(offset + 0x44) == 0x6461744C) // datL
{
startOffset = 0x5e;
start_offset[0] = fileReader.Read_32bitsBE(offset + 0x48);
start_offset[1] = fileReader.Read_32bitsBE(offset + 0x54);
}
else
{
startOffset = 0x52;
}
int channel_count = fileReader.Read_16bitsBE(offset + startOffset);
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, false);
vgmStream.vgmDecoder = new DSP_Decoder();
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmLoopFlag = false;
vgmStream.vgmTotalSamples = (int)(fileReader.Read_32bitsBE(offset + startOffset + 0x14) / 8 * 14) / channel_count;
vgmStream.vgmSampleRate = fileReader.Read_16bitsBE(offset + startOffset + 0x4);
if (channel_count == 1)
{
vgmStream.vgmLayout = new NoLayout();
}
else
{
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmLayoutType = VGM_Layout_Type.Interleave_With_Shortblock;
}
vgmStream.vgmInterleaveBlockSize = 0x08;
int i, j;
for (j = 0; j < vgmStream.vgmChannelCount; j++)
{
for (i = 0; i < 16; i++)
{
vgmStream.vgmChannel[j].adpcm_coef[i] = (Int16)fileReader.Read_16bitsBE(offset + startOffset + (UInt64)(0x2C + (i * 2) + (j * 0x60)));
}
}
if (InitReader)
{
for (i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
vgmStream.vgmChannel[i].startOffset = vgmStream.vgmChannel[i].currentOffset = offset + start_offset[i];
}
}
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
int i;
char vagID = (char)fileReader.Read_8Bits(offset + 0x03);
uint fileVagLength = fileReader.Read_32bitsBE(offset + 0x0c);
int channel_count = 1;
uint interleave = 0;
UInt64 loopStart = 0;
UInt64 loopEnd = 0;
bool loop_flag = false;
switch (vagID)
{
case 'i':
channel_count = 2;
break;
case 'V':
if (fileReader.Read_32bitsBE(offset + 0x20) == 0x53746572) // vag Stereo
{
channel_count = 2;
}
break;
case 'p':
if (fileReader.Read_32bitsBE(offset + 0x24) == 0x56414778)
{
loop_flag = false;
channel_count = 2;
}
else
{
if (fileReader.Read_32bitsBE(offset + 0x04) <= 0x00000004)
{
loop_flag = (fileReader.Read_32bitsBE(offset + 0x14) != 0);
channel_count = 1;
}
else
{
/* Search for loop in VAG */
uint vagfileLength = fileReader.Read_32bitsBE(offset + 0x0c);
UInt64 readOffset = offset + 0x20;
do
{
readOffset += 0x10;
// Loop Start ...
if (fileReader.Read_8Bits(readOffset + 0x01) == 0x06)
{
if (loopStart == 0)
{
loopStart = readOffset;
}
}
// Loop End ...
if (fileReader.Read_8Bits(readOffset + 0x01) == 0x03)
{
if (loopEnd == 0)
{
loopEnd = readOffset;
}
}
// Loop from end to beginning ...
if ((fileReader.Read_8Bits(readOffset + 0x01) == 0x01))
{
// Check if we have the eof tag after the loop point ...
// if so we don't loop, if not present, we loop from end to start ...
byte[] vagBuffer = fileReader.Read(readOffset + 0x10, 0x10);
if ((vagBuffer[0] != 0) && (vagBuffer[0] != 0x0c))
{
if ((vagBuffer[0] == 0x00) && (vagBuffer[0] == 0x07))
{
loopStart = 0x40;
loopEnd = readOffset;
}
}
}
} while (readOffset < offset + 0x20 + vagfileLength);
loop_flag = (loopEnd != 0);
}
}
break;
default:
break;
}
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, loop_flag);
/* fill in the vital statistics */
UInt64 start_offset = offset + 0x30;
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmSampleRate = (int)fileReader.Read_32bitsBE(offset + 0x10);
vgmStream.vgmTotalSamples = (int)(fileReader.Read_32bits(offset + 0x04) * 28 / 16);
vgmStream.vgmLayout = new NoLayout();
switch (vagID)
{
case 'i': // VAGi
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE(0x0C) / 16 * 28;
interleave = fileReader.Read_32bitsBE(offset + 0x08);
start_offset = offset + 0x800;
break;
case 'p': // VAGp
interleave = 0x10; // used for loop calc
if (fileReader.Read_32bitsBE(offset + 0x04) == 0x00000004)
{
vgmStream.vgmChannelCount = 2;
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE(offset + 0x0C);
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)fileReader.Read_32bitsBE(offset + 0x14);
vgmStream.vgmLoopEndSample = (int)fileReader.Read_32bitsBE(offset + 0x18);
}
start_offset = offset + 0x80;
vgmStream.vgmLayout = new Interleave();
// Double VAG Header @ 0x0000 & 0x1000
if (fileReader.Read_32bitsBE(offset + 0) == fileReader.Read_32bitsBE(offset + 0x1000))
{
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE(offset + 0x0C) / 16 * 28;
interleave = 0x1000;
start_offset = offset + 0;
}
}
else
{
if (fileReader.Read_32bitsBE(offset + 0x24) == 0x56414778)
{
if (fileReader.Read_16bitsBE(offset + fileReader.Read_32bitsBE(offset + 0x0C) + 0x10) != 0x0007)
{
interleave = 0x8000;
}
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE(offset + 0x0C) / 16 * 14;
}
else
{
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE(offset + 0x0C) / 16 * 28;
start_offset = offset + 0x30;
}
}
break;
case 'V': // pGAV
vgmStream.vgmLayout = new Interleave();
interleave = 0x2000;
// Jak X hack ...
if (fileReader.Read_32bitsBE(offset + 0x1000) == 0x56414770)
{
interleave = 0x1000;
}
vgmStream.vgmSampleRate = (int)fileReader.Read_32bits(offset + 0x10);
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bits(offset + 0x0C) / 16 * 14;
start_offset = offset + 0;
break;
}
vgmStream.vgmDecoder = new PSX_Decoder();
vgmStream.vgmLoopFlag = loop_flag;
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)(fileReader.Read_32bits(offset + 0x08) * 28 / 16 / vgmStream.vgmChannelCount);
vgmStream.vgmLoopEndSample = (int)(fileReader.Read_32bits(offset + 0x04) * 28 / 16);
}
vgmStream.vgmInterleaveBlockSize = (int)interleave;
if (InitReader)
{
for (i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].startOffset = vgmStream.vgmChannel[i].currentOffset = start_offset + (UInt64)(vgmStream.vgmInterleaveBlockSize * i);
}
}
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
bool loop_flag = false;
UInt32 loop_start_sample = 0;
UInt32 loop_start_offset;
UInt32 loop_end_sample = 0;
UInt32 loop_end_offset;
Int16 coef1 = 0;
Int16 coef2 = 0;
int i;
int channel_count = fileReader.Read_8Bits(offset + 0x07);
/* check version signature, read loop info */
UInt16 version_signature = fileReader.Read_16bitsBE(offset + 0x12);
UInt64 criOffset = (UInt64)fileReader.Read_16bitsBE(offset + 2) + 4;
/* encryption */
if (version_signature == 0x0408)
{
//if (find_key(streamFile, &xor_start, &xor_mult, &xor_add))
//{
// coding_type = coding_CRI_ADX_enc;
// version_signature = 0x0400;
//}
}
if (version_signature == 0x0300)
{ /* type 03 */
if (criOffset - 6 >= 0x2c)
{ /* enough space for loop info? */
loop_flag = (fileReader.Read_32bitsBE(offset + 0x18) != 0);
loop_start_sample = (fileReader.Read_32bitsBE(offset + 0x1c));
loop_start_offset = fileReader.Read_32bitsBE(offset + 0x20);
loop_end_sample = fileReader.Read_32bitsBE(offset + 0x24);
loop_end_offset = fileReader.Read_32bitsBE(offset + 0x28);
}
}
else if (version_signature == 0x0400)
{
UInt32 ainf_info_length = 0;
if (fileReader.Read_32bitsBE(offset + 0x24) == 0x41494E46) /* AINF Header */
{
ainf_info_length = fileReader.Read_32bitsBE(offset + 0x28);
}
if (criOffset - ainf_info_length - 6 >= 0x38)
{ /* enough space for loop info? */
loop_flag = (fileReader.Read_32bitsBE(offset + 0x24) != 0);
loop_start_sample = (fileReader.Read_32bitsBE(offset + 0x28));
loop_start_offset = fileReader.Read_32bitsBE(offset + 0x2C);
loop_end_sample = fileReader.Read_32bitsBE(offset + 0x30);
loop_end_offset = fileReader.Read_32bitsBE(offset + 0x34);
}
}
else if (version_signature == 0x0500)
{ /* found in some SFD : Buggy Heat, appears to have no loop */
}
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, loop_flag);
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmSampleRate = (int)fileReader.Read_32bitsBE(offset + 0x08);
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE(offset + 0x0C);
vgmStream.vgmDecoder = new ADX_Decoder();
if (channel_count == 1)
{
vgmStream.vgmLayout = new NoLayout();
}
else
{
vgmStream.vgmLayout = new Interleave();
}
vgmStream.vgmLoopFlag = loop_flag;
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)loop_start_sample;
vgmStream.vgmLoopEndSample = (int)loop_end_sample;
}
/* high-pass cutoff frequency, always 500 that I've seen */
UInt16 cutoff = fileReader.Read_16bitsBE(offset + 0x10);
/* calculate filter coefficients */
{
double x, y, z, a, b, c;
x = cutoff;
y = vgmStream.vgmSampleRate;
z = Math.Cos(2.0 * Math.PI * x / y);
a = Math.Sqrt(2) - z;
b = Math.Sqrt(2) - 1.0;
c = (a - Math.Sqrt((a + b) * (a - b))) / b;
coef1 = (Int16)Math.Floor(c * 8192);
coef2 = (Int16)Math.Floor(c * c * -4096);
}
vgmStream.vgmInterleaveBlockSize = 18;
if (InitReader)
{
for (i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
vgmStream.vgmChannel[i].adpcm_coef[0] = coef1;
vgmStream.vgmChannel[i].adpcm_coef[1] = coef2;
vgmStream.vgmChannel[i].startOffset = vgmStream.vgmChannel[i].currentOffset = offset + criOffset + (UInt64)(vgmStream.vgmInterleaveBlockSize * i);
}
}
}
public void Decode(VGM_Stream vgmStream, VGM_Channel vgmChannel, ref short[] vgmOutput, int vgmChannelSpacing,
int vgmFirstSample, int vgmSamplesToDo, int vgmChannelNumber)
{
int i;
double vgmSample;
int vgmSampleCount;
double vgmSampleHistory1 = vgmChannel.adpcm_history_dbl_1;
double vgmSampleHistory2 = vgmChannel.adpcm_history_dbl_2;
Int16 vgmScale;
// Get the offset of the correct frame
Int32 vgmFrameNum = vgmFirstSample / 28;
Int16 vgmPredictor = (Int16)(vgmChannel.fReader.Read_8Bits(vgmChannel.currentOffset + (UInt64)(vgmFrameNum * 16)) >> 4);
Int16 vgmShiftFactor = (Int16)(vgmChannel.fReader.Read_8Bits(vgmChannel.currentOffset + (UInt64)(vgmFrameNum * 16)) & 0x0F);
byte vgmFlag = vgmChannel.fReader.Read_8Bits(vgmChannel.currentOffset + (UInt64)((vgmFrameNum * 16) + 1));
vgmFirstSample = vgmFirstSample % 28;
for (i = vgmFirstSample, vgmSampleCount = 0; i < vgmFirstSample + vgmSamplesToDo; i++, vgmSampleCount += vgmChannelSpacing)
{
vgmSample = 0;
if (vgmFlag < 0x07)
{
Int16 sample_byte = vgmChannel.fReader.Read_8Bits(vgmChannel.currentOffset + (UInt64)((vgmFrameNum * 16) + 2 + i / 2));
vgmScale = (Int16)(((((i & 1) == 1) ? sample_byte >> 4 : (sample_byte & 0x0f)) << 12));
if (vgmPredictor < 5)
{
vgmSample = (((vgmScale >> vgmShiftFactor) + vgmSampleHistory1 * VAG_f[vgmPredictor, 0] + vgmSampleHistory2 * VAG_f[vgmPredictor, 1]));
}
else
{
vgmSample = 0;
}
}
vgmOutput[vgmStream.vgmSamplesBlockOffset + vgmSampleCount + vgmChannelNumber] = VGM_Utils.clamp16(vgmSample);
vgmSampleHistory2 = vgmSampleHistory1;
vgmSampleHistory1 = vgmSample;
}
vgmChannel.adpcm_history_dbl_1 = vgmSampleHistory1;
vgmChannel.adpcm_history_dbl_2 = vgmSampleHistory2;
}
public int update(ref short[] vgmBuffer, int vgmSampleCount, VGM_Stream vgmStream)
{
int samples_written = 0;
int i;
int frame_size = vgmStream.vgmDecoder.FrameSize();
int samples_per_frame = vgmStream.vgmDecoder.SamplesPerFrame();
int samples_this_block;
vgmStream.vgmSamplesBlockOffset = 0;
if (vgmStream.vgmDecodedSamples >= vgmStream.vgmTotalSamplesWithLoop)
{
return(0);
}
samples_this_block = vgmStream.vgmInterleaveBlockSize / frame_size * samples_per_frame;
if ((vgmStream.vgmLayoutType == VGM_Layout_Type.Interleave_With_Shortblock) &&
(vgmStream.vgmSamplePlayed - vgmStream.vgmSamplesIntoBlock + samples_this_block > vgmStream.vgmTotalSamples))
{
frame_size = vgmStream.vgmDecoder.ShortFrameSize();
samples_per_frame = vgmStream.vgmDecoder.SamplesPerShortFrame();
samples_this_block = vgmStream.vgmInterleaveShortBlockSize / frame_size * samples_per_frame;
}
while (samples_written < vgmSampleCount)
{
int samples_to_do;
if (vgmStream.vgmLoopFlag && VGM_Utils.vgmstream_do_loop(vgmStream))
{
/* we assume that the loop is not back into a short block */
if (vgmStream.vgmLayoutType == VGM_Layout_Type.Interleave_With_Shortblock)
{
frame_size = vgmStream.vgmDecoder.FrameSize();
samples_per_frame = vgmStream.vgmDecoder.SamplesPerFrame();
samples_this_block = vgmStream.vgmInterleaveBlockSize / frame_size * samples_per_frame;
}
continue;
}
samples_to_do = VGM_Utils.vgmstream_samples_to_do(samples_this_block, samples_per_frame, vgmStream);
if (samples_written + samples_to_do > vgmSampleCount)
{
samples_to_do = vgmSampleCount - samples_written;
}
for (i = 0; i < vgmStream.vgmChannelCount; i++)
{
vgmStream.vgmDecoder.Decode(vgmStream, vgmStream.vgmChannel[i], ref vgmBuffer, vgmStream.vgmChannelCount, vgmStream.vgmSamplesIntoBlock, samples_to_do, i);
}
samples_written += samples_to_do;
vgmStream.vgmSamplesBlockOffset += samples_to_do * vgmStream.vgmChannelCount;
vgmStream.vgmSamplePlayed += samples_to_do;
vgmStream.vgmDecodedSamples += samples_to_do;
vgmStream.vgmSamplesIntoBlock += samples_to_do;
if (vgmStream.vgmDecodedSamples >= vgmStream.vgmTotalSamplesWithLoop)
{
return(samples_written);
}
if (vgmStream.vgmSamplesIntoBlock == samples_this_block)
{
if ((vgmStream.vgmLayoutType == VGM_Layout_Type.Interleave_With_Shortblock) &&
(vgmStream.vgmSamplePlayed + samples_this_block > vgmStream.vgmTotalSamples))
{
frame_size = vgmStream.vgmDecoder.ShortFrameSize();
samples_per_frame = vgmStream.vgmDecoder.SamplesPerShortFrame();
samples_this_block = vgmStream.vgmInterleaveShortBlockSize / frame_size * samples_per_frame;
for (i = 0; i < vgmStream.vgmChannelCount; i++)
{
vgmStream.vgmChannel[i].currentOffset += (UInt64)((vgmStream.vgmInterleaveBlockSize * (vgmStream.vgmChannelCount - i)) + (vgmStream.vgmInterleaveShortBlockSize * i));
}
}
else
{
for (i = 0; i < vgmStream.vgmChannelCount; i++)
{
vgmStream.vgmChannel[i].currentOffset += (UInt64)(vgmStream.vgmInterleaveBlockSize * vgmStream.vgmChannelCount);
}
}
vgmStream.vgmSamplesIntoBlock = 0;
}
}
return(samples_written);
}
public void Init(StreamReader.IReader fileReader, UInt64 offset, ref VGM_Stream vgmStream, bool InitReader, UInt64 fileLength)
{
UInt64 head_offset = fileReader.Read_16bitsBE(offset + 0x0C);
if (head_offset == 0x10)
{
m_Description = "Nintendo RSTM Header v1";
}
else
{
m_Description = "Nintendo RSTM Header v2";
}
UInt64 rl_head_offset = head_offset + offset;
bool loop_flag = (fileReader.Read_8Bits((head_offset == 0x10) ? rl_head_offset + 0x19 : rl_head_offset + 0x21) != 0);
bool isDSP = false;
int codec_number = fileReader.Read_8Bits((head_offset == 0x10) ? rl_head_offset + 0x8 : rl_head_offset + 0x20);
int channel_count = fileReader.Read_8Bits((head_offset == 0x10) ? rl_head_offset + 0xa : rl_head_offset + 0x22);
/* build the VGMSTREAM */
VGM_Utils.allocate_vgmStream(ref vgmStream, channel_count, loop_flag);
switch (codec_number)
{
case 0:
vgmStream.vgmDecoder = new PCM8_Decoder();
break;
case 1:
vgmStream.vgmDecoder = new PCM16_Decoder();
vgmStream.vgmDecoderType = VGM_Decoder_Type.PCM16BITSBE;
break;
case 2:
isDSP = true;
vgmStream.vgmDecoder = new DSP_Decoder();
break;
}
vgmStream.vgmChannelCount = channel_count;
vgmStream.vgmLoopFlag = loop_flag;
vgmStream.vgmTotalSamples = (int)fileReader.Read_32bitsBE((head_offset == 0x10) ? rl_head_offset + 0x14 : rl_head_offset + 0x2c);
vgmStream.vgmSampleRate = fileReader.Read_16bitsBE((head_offset == 0x10) ? rl_head_offset + 0xC : rl_head_offset + 0x24);
if (loop_flag)
{
vgmStream.vgmLoopStartSample = (int)fileReader.Read_32bitsBE((head_offset == 0x10) ? rl_head_offset + 0x10 : rl_head_offset + 0x28);
vgmStream.vgmLoopEndSample = vgmStream.vgmTotalSamples;
}
if (channel_count == 1)
{
vgmStream.vgmLayout = new NoLayout();
}
else
{
vgmStream.vgmLayout = new Interleave();
vgmStream.vgmLayoutType = VGM_Layout_Type.Interleave_With_Shortblock;
}
vgmStream.vgmInterleaveBlockSize = (int)fileReader.Read_32bitsBE((head_offset == 0x10) ? rl_head_offset + 0x20 : rl_head_offset + 0x38);
vgmStream.vgmInterleaveShortBlockSize = (int)fileReader.Read_32bitsBE((head_offset == 0x10) ? rl_head_offset + 0x30 : rl_head_offset + 0x48);
if (isDSP)
{
int i, j;
int coef_spacing = ((head_offset == 0x10) ? 0x30 : 0x38);
UInt64 coef_offset1 = fileReader.Read_32bitsBE(rl_head_offset + 0x1C);
UInt64 coef_offset2 = fileReader.Read_32bitsBE(rl_head_offset + 0x10 + coef_offset1);
UInt64 coef_offset = ((head_offset == 0x10) ? 0x38 : coef_offset2 + 0x10);
for (j = 0; j < vgmStream.vgmChannelCount; j++)
{
for (i = 0; i < 16; i++)
{
vgmStream.vgmChannel[j].adpcm_coef[i] = (Int16)fileReader.Read_16bitsBE(rl_head_offset + coef_offset + (UInt64)(j * coef_spacing + i * 2));
}
}
}
UInt64 start_offset = offset + fileReader.Read_32bitsBE((head_offset == 0x10) ? rl_head_offset + 0x18 : rl_head_offset + 0x30);
if (InitReader)
{
for (int i = 0; i < channel_count; i++)
{
vgmStream.vgmChannel[i].fReader = (StreamReader.IReader)Activator.CreateInstance(fileReader.GetType());;
vgmStream.vgmChannel[i].fReader.Open(fileReader.GetFilename());
vgmStream.vgmChannel[i].fReader.SetSessionID(fileReader.GetSessionID());
vgmStream.vgmChannel[i].currentOffset = start_offset + (UInt64)(i * vgmStream.vgmInterleaveBlockSize);
}
}
}
