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ALAC encoder

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This commit is contained in:
chudov
2009-08-30 21:58:54 +00:00
parent 2b7312e261
commit 5e37052bc1
18 changed files with 2225 additions and 259 deletions
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47
CUETools.Codecs.FLAKE/FlakeWriter.cs
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@@ -25,7 +25,7 @@ using System.IO;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Security.Cryptography;
using System.Runtime.InteropServices;
//using System.Runtime.InteropServices;
using CUETools.Codecs;
namespace CUETools.Codecs.FLAKE
@@ -161,10 +161,10 @@ namespace CUETools.Codecs.FLAKE
}
}
[DllImport("kernel32.dll")]
static extern bool GetThreadTimes(IntPtr hThread, out long lpCreationTime, out long lpExitTime, out long lpKernelTime, out long lpUserTime);
[DllImport("kernel32.dll")]
static extern IntPtr GetCurrentThread();
//[DllImport("kernel32.dll")]
//static extern bool GetThreadTimes(IntPtr hThread, out long lpCreationTime, out long lpExitTime, out long lpKernelTime, out long lpUserTime);
//[DllImport("kernel32.dll")]
//static extern IntPtr GetCurrentThread();
void DoClose()
{
@@ -196,9 +196,9 @@ namespace CUETools.Codecs.FLAKE
inited = false;
}
long fake, KernelStart, UserStart;
GetThreadTimes(GetCurrentThread(), out fake, out fake, out KernelStart, out UserStart);
_userProcessorTime = new TimeSpan(UserStart);
//long fake, KernelStart, UserStart;
//GetThreadTimes(GetCurrentThread(), out fake, out fake, out KernelStart, out UserStart);
//_userProcessorTime = new TimeSpan(UserStart);
}
public void Close()
@@ -481,7 +481,7 @@ namespace CUETools.Codecs.FLAKE
fixed (int* fsamples = samplesBuffer, src = &samples[pos, 0])
{
if (channels == 2)
Flake.deinterlace(fsamples + samplesInBuffer, fsamples + Flake.MAX_BLOCKSIZE + samplesInBuffer, src, block);
AudioSamples.Deinterlace(fsamples + samplesInBuffer, fsamples + Flake.MAX_BLOCKSIZE + samplesInBuffer, src, block);
else
for (int ch = 0; ch < channels; ch++)
{
@@ -557,7 +557,7 @@ namespace CUETools.Codecs.FLAKE
unsafe void encode_residual_verbatim(int* res, int* smp, uint n)
{
Flake.memcpy(res, smp, (int) n);
AudioSamples.MemCpy(res, smp, (int) n);
}
unsafe void encode_residual_fixed(int* res, int* smp, int n, int order)
@@ -567,7 +567,7 @@ namespace CUETools.Codecs.FLAKE
switch (order)
{
case 0:
Flake.memcpy(res, smp, n);
AudioSamples.MemCpy(res, smp, n);
return;
case 1:
*(res++) = s1 = *(smp++);
@@ -678,7 +678,7 @@ namespace CUETools.Codecs.FLAKE
calc_sums(pmin, pmax, udata, n, pred_order, sums);
int opt_porder = pmin;
uint opt_bits = Flake.UINT32_MAX;
uint opt_bits = AudioSamples.UINT32_MAX;
for (int i = pmin; i <= pmax; i++)
{
uint bits = calc_optimal_rice_params(ref tmp_rc, i, sums + i * Flake.MAX_PARTITIONS, n, pred_order);
@@ -697,9 +697,9 @@ namespace CUETools.Codecs.FLAKE
static int get_max_p_order(int max_porder, int n, int order)
{
int porder = Math.Min(max_porder, Flake.log2i(n ^ (n - 1)));
int porder = Math.Min(max_porder, BitReader.log2i(n ^ (n - 1)));
if (order > 0)
porder = Math.Min(porder, Flake.log2i(n / order));
porder = Math.Min(porder, BitReader.log2i(n / order));
return porder;
}
@@ -752,7 +752,7 @@ namespace CUETools.Codecs.FLAKE
fixed (int* coefs = frame.current.coefs)
{
lpc.quantize_lpc_coefs(lpcs + (frame.current.order - 1) * lpc.MAX_LPC_ORDER,
frame.current.order, cbits, coefs, out frame.current.shift);
frame.current.order, cbits, coefs, out frame.current.shift, 15, 0);
if (frame.current.shift < 0 || frame.current.shift > 15)
throw new Exception("negative shift");
@@ -1201,11 +1201,11 @@ namespace CUETools.Codecs.FLAKE
unsafe uint measure_frame_size(FlacFrame frame, bool do_midside)
{
// crude estimation of header/footer size
uint total = (uint)(32 + ((Flake.log2i(frame_count) + 4) / 5) * 8 + (eparams.variable_block_size != 0 ? 16 : 0) + 16);
uint total = (uint)(32 + ((BitReader.log2i(frame_count) + 4) / 5) * 8 + (eparams.variable_block_size != 0 ? 16 : 0) + 16);
if (do_midside)
{
uint bitsBest = Flake.UINT32_MAX;
uint bitsBest = AudioSamples.UINT32_MAX;
ChannelMode modeBest = ChannelMode.LeftRight;
if (bitsBest > frame.subframes[2].best.size + frame.subframes[3].best.size)
@@ -1244,7 +1244,7 @@ namespace CUETools.Codecs.FLAKE
case StereoMethod.Estimate:
for (int ch = 0; ch < channels; ch++)
{
frame.subframes[ch].best.size = Flake.UINT32_MAX;
frame.subframes[ch].best.size = AudioSamples.UINT32_MAX;
encode_residual_onepass(frame, ch);
}
break;
@@ -1389,7 +1389,7 @@ namespace CUETools.Codecs.FLAKE
{
fixed (int* s = verifyBuffer, r = samplesBuffer)
for (int ch = 0; ch < channels; ch++)
Flake.memcpy(s + ch * Flake.MAX_BLOCKSIZE, r + ch * Flake.MAX_BLOCKSIZE, eparams.block_size);
AudioSamples.MemCpy(s + ch * Flake.MAX_BLOCKSIZE, r + ch * Flake.MAX_BLOCKSIZE, eparams.block_size);
}
int fs, bs;
@@ -1427,7 +1427,7 @@ namespace CUETools.Codecs.FLAKE
fixed (int* s = verifyBuffer, r = verify.Samples)
{
for (int ch = 0; ch < channels; ch++)
if (Flake.memcmp(s + ch * Flake.MAX_BLOCKSIZE, r + ch * Flake.MAX_BLOCKSIZE, bs))
if (AudioSamples.MemCmp(s + ch * Flake.MAX_BLOCKSIZE, r + ch * Flake.MAX_BLOCKSIZE, bs))
throw new Exception("validation failed!");
}
}
@@ -1436,7 +1436,7 @@ namespace CUETools.Codecs.FLAKE
{
fixed (int* s = samplesBuffer)
for (int ch = 0; ch < channels; ch++)
Flake.memcpy(s + ch * Flake.MAX_BLOCKSIZE, s + bs + ch * Flake.MAX_BLOCKSIZE, eparams.block_size - bs);
AudioSamples.MemCpy(s + ch * Flake.MAX_BLOCKSIZE, s + bs + ch * Flake.MAX_BLOCKSIZE, eparams.block_size - bs);
}
samplesInBuffer -= bs;
@@ -1771,11 +1771,6 @@ namespace CUETools.Codecs.FLAKE
// if set to less than 0, defaults to 4096
public int padding_size;
// maximum encoded frame size
// this is set by flake_encode_init based on input audio format
// it can be used by the user to allocate an output buffer
public int max_frame_size;
// minimum LPC order
// set by user prior to calling flake_encode_init
// if set to less than 0, it is chosen based on compression.