aaru-dps/Aaru.VideoNow
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Save audio as .wav.

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This commit is contained in:
Natalia Portillo
2019-01-30 23:10:55 +00:00
parent f92a3aaf63
commit 6f6f9cb173
1 changed files with 159 additions and 2 deletions
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161
DiscImageChef.VideoNow/Program.cs
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@@ -34,6 +34,7 @@ using System;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
namespace DiscImageChef.VideoNow
{
@@ -119,6 +120,7 @@ namespace DiscImageChef.VideoNow
long framePosition = 0;
byte[] buffer = new byte[frameMarker.Length];
long framePositionForAudio;
while(framePosition < 19600)
{
@@ -142,9 +144,54 @@ namespace DiscImageChef.VideoNow
Console.WriteLine("First frame found at {0}", framePosition);
Console.WriteLine("First frame {0} at a sector boundary", framePosition % 2352 == 0 ? "is" : "is not");
char progress = ' ';
int totalFrames = 1;
char progress = ' ';
FileStream outFs = new FileStream(args[0] + ".audio.wav", FileMode.Create, FileAccess.ReadWrite,
FileShare.Read);
WaveHeader waveHeader = new WaveHeader {id = 0x46464952, format = 0x45564157};
FormatChunk fmtChunk = new FormatChunk
{
id = 0x20746D66,
size = 16,
format = 1,
channels = 2,
sampleRate = 17640,
bitsPerSample = 8
};
fmtChunk.byteRate = fmtChunk.sampleRate * fmtChunk.channels * fmtChunk.bitsPerSample / 8;
fmtChunk.blockAlign = (ushort)(fmtChunk.channels * fmtChunk.bitsPerSample / 8);
DataChunkHeader dataChunkHeader = new DataChunkHeader {id = 0x61746164};
long headersSize = Marshal.SizeOf(waveHeader) + Marshal.SizeOf(fmtChunk) + Marshal.SizeOf(dataChunkHeader);
outFs.Write(new byte[headersSize], 0, (int)headersSize);
fs.Position = framePosition + 8;
while(fs.Position + 10 < framePosition + 19600)
{
switch(fs.Position % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write("\rExtracting audio {0} ", progress);
outFs.WriteByte((byte)fs.ReadByte());
fs.Position += 9;
}
int totalFrames = 1;
framePosition += 19600;
while(framePosition + 19600 < fs.Length)
@@ -184,7 +231,34 @@ namespace DiscImageChef.VideoNow
if(buffer.SequenceEqual(frameMarker))
{
Console.Write("\r \r");
fs.Position = framePosition + 8;
while(fs.Position + 10 < framePosition + 19600)
{
switch(fs.Position % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write("\rExtracting audio {0} ", progress);
outFs.WriteByte((byte)fs.ReadByte());
fs.Position += 9;
}
totalFrames++;
Console.Write("\r \r");
Console.WriteLine("Frame {1} found at {0}, {2} bytes apart", framePosition, totalFrames,
framePosition - expectedFramePosition);
Console.WriteLine("Frame {1} {0} at a sector boundary",
@@ -206,6 +280,32 @@ namespace DiscImageChef.VideoNow
Console.WriteLine("Frame {0} is at a sector boundary", totalFrames);
}
Console.Write("\r \r");
fs.Position = framePosition + 8;
while(fs.Position + 10 < framePosition + 19600)
{
switch(fs.Position % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write("\rExtracting audio {0}", progress);
outFs.WriteByte((byte)fs.ReadByte());
fs.Position += 9;
}
totalFrames++;
fs.Position = framePosition;
fs.Read(buffer, 0, buffer.Length);
@@ -214,6 +314,35 @@ namespace DiscImageChef.VideoNow
Console.Write("\r \r");
Console.WriteLine("Found {0} frames", totalFrames);
fs.Close();
outFs.Position = 0;
dataChunkHeader.size = (uint)(outFs.Length - headersSize);
waveHeader.size = (uint)(outFs.Length - 8);
buffer = new byte[Marshal.SizeOf(waveHeader)];
IntPtr ptr = Marshal.AllocHGlobal(buffer.Length);
Marshal.StructureToPtr(waveHeader, ptr, false);
Marshal.Copy(ptr, buffer, 0, buffer.Length);
Marshal.FreeHGlobal(ptr);
outFs.Write(buffer, 0, buffer.Length);
buffer = new byte[Marshal.SizeOf(fmtChunk)];
ptr = Marshal.AllocHGlobal(buffer.Length);
Marshal.StructureToPtr(fmtChunk, ptr, false);
Marshal.Copy(ptr, buffer, 0, buffer.Length);
Marshal.FreeHGlobal(ptr);
outFs.Write(buffer, 0, buffer.Length);
buffer = new byte[Marshal.SizeOf(dataChunkHeader)];
ptr = Marshal.AllocHGlobal(buffer.Length);
Marshal.StructureToPtr(dataChunkHeader, ptr, false);
Marshal.Copy(ptr, buffer, 0, buffer.Length);
Marshal.FreeHGlobal(ptr);
outFs.Write(buffer, 0, buffer.Length);
outFs.Close();
}
static void PrintCopyright()
@@ -223,4 +352,32 @@ namespace DiscImageChef.VideoNow
Console.WriteLine();
}
}
[StructLayout(LayoutKind.Sequential)]
struct WaveHeader
{
public uint id;
public uint size;
public uint format;
}
[StructLayout(LayoutKind.Sequential)]
struct FormatChunk
{
public uint id;
public uint size;
public ushort format;
public ushort channels;
public uint sampleRate;
public uint byteRate;
public ushort blockAlign;
public ushort bitsPerSample;
}
[StructLayout(LayoutKind.Sequential)]
struct DataChunkHeader
{
public uint id;
public uint size;
}
}