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experiment with Burg LPC method

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chudov
2009-09-28 06:27:28 +00:00
parent 3c287e2ede
commit a02f79a3f8
4 changed files with 1078 additions and 1376 deletions
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12
CUETools.FlaCuda/FlaCudaWriter.cs
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@@ -853,6 +853,7 @@ namespace CUETools.Codecs.FlaCuda
task.ResidualTasks[task.nResidualTasks].type = (int)SubframeType.LPC;
task.ResidualTasks[task.nResidualTasks].channel = ch;
task.ResidualTasks[task.nResidualTasks].obits = (int)bits_per_sample + (channels == 2 && ch == 3 ? 1 : 0);
task.ResidualTasks[task.nResidualTasks].abits = task.ResidualTasks[task.nResidualTasks].obits;
task.ResidualTasks[task.nResidualTasks].blocksize = blocksize;
task.ResidualTasks[task.nResidualTasks].residualOrder = order;
task.ResidualTasks[task.nResidualTasks].samplesOffs = ch * FlaCudaWriter.MAX_BLOCKSIZE + iFrame * blocksize;
@@ -866,6 +867,7 @@ namespace CUETools.Codecs.FlaCuda
task.ResidualTasks[task.nResidualTasks].type = (int)SubframeType.Constant;
task.ResidualTasks[task.nResidualTasks].channel = ch;
task.ResidualTasks[task.nResidualTasks].obits = (int)bits_per_sample + (channels == 2 && ch == 3 ? 1 : 0);
task.ResidualTasks[task.nResidualTasks].abits = task.ResidualTasks[task.nResidualTasks].obits;
task.ResidualTasks[task.nResidualTasks].blocksize = blocksize;
task.ResidualTasks[task.nResidualTasks].samplesOffs = ch * FlaCudaWriter.MAX_BLOCKSIZE + iFrame * blocksize;
task.ResidualTasks[task.nResidualTasks].residualOffs = task.ResidualTasks[task.nResidualTasks].samplesOffs;
@@ -880,6 +882,7 @@ namespace CUETools.Codecs.FlaCuda
task.ResidualTasks[task.nResidualTasks].type = (int)SubframeType.Fixed;
task.ResidualTasks[task.nResidualTasks].channel = ch;
task.ResidualTasks[task.nResidualTasks].obits = (int)bits_per_sample + (channels == 2 && ch == 3 ? 1 : 0);
task.ResidualTasks[task.nResidualTasks].abits = task.ResidualTasks[task.nResidualTasks].obits;
task.ResidualTasks[task.nResidualTasks].blocksize = blocksize;
task.ResidualTasks[task.nResidualTasks].residualOrder = order;
task.ResidualTasks[task.nResidualTasks].samplesOffs = ch * FlaCudaWriter.MAX_BLOCKSIZE + iFrame * blocksize;
@@ -916,6 +919,7 @@ namespace CUETools.Codecs.FlaCuda
task.ResidualTasks[task.nResidualTasks].type = (int)SubframeType.Verbatim;
task.ResidualTasks[task.nResidualTasks].channel = ch;
task.ResidualTasks[task.nResidualTasks].obits = (int)bits_per_sample + (channels == 2 && ch == 3 ? 1 : 0);
task.ResidualTasks[task.nResidualTasks].abits = task.ResidualTasks[task.nResidualTasks].obits;
task.ResidualTasks[task.nResidualTasks].blocksize = blocksize;
task.ResidualTasks[task.nResidualTasks].residualOrder = 0;
task.ResidualTasks[task.nResidualTasks].samplesOffs = ch * FlaCudaWriter.MAX_BLOCKSIZE + iFrame * blocksize;
@@ -1101,7 +1105,8 @@ namespace CUETools.Codecs.FlaCuda
cuda.SetParameter(task.cudaComputeLPCLattice, 0, (uint)task.cudaResidualTasks.Pointer);
cuda.SetParameter(task.cudaComputeLPCLattice, 1 * sizeof(uint), (uint)task.nResidualTasksPerChannel);
cuda.SetParameter(task.cudaComputeLPCLattice, 2 * sizeof(uint), (uint)task.cudaSamples.Pointer);
cuda.SetParameter(task.cudaComputeLPCLattice, 3 * sizeof(uint), (uint)task.frameSize);
cuda.SetParameter(task.cudaComputeLPCLattice, 3 * sizeof(uint), (uint)_windowcount);
//cuda.SetParameter(task.cudaComputeLPCLattice, 3 * sizeof(uint), (uint)task.frameSize);
cuda.SetParameter(task.cudaComputeLPCLattice, 4 * sizeof(uint), (uint)eparams.max_prediction_order);
cuda.SetParameterSize(task.cudaComputeLPCLattice, 5U * sizeof(uint));
cuda.SetFunctionBlockShape(task.cudaComputeLPCLattice, 256, 1, 1);
@@ -1142,7 +1147,7 @@ namespace CUETools.Codecs.FlaCuda
// issue work to the GPU
cuda.LaunchAsync(cudaChannelDecorr, (task.frameCount * task.frameSize + 255) / 256, channels == 2 ? 1 : channels, task.stream);
if (task.frameSize <= 512 && _windowcount == 1)
if (task.frameSize <= 512 && eparams.max_prediction_order <= 12)
cuda.LaunchAsync(task.cudaComputeLPCLattice, 1, channelsCount * task.frameCount, task.stream);
else
{
@@ -1831,7 +1836,8 @@ namespace CUETools.Codecs.FlaCuda
public int channel;
public int residualOffs;
public int wbits;
public fixed int reserved[4];
public int abits;
public fixed int reserved[3];
public fixed int coefs[32];
};