aaru-dps/Aaru.VideoNow
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.VideoNow.git synced 2025-12-16 11:14:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add support to decode VideoNow XP discs.

Browse Source
This commit is contained in:
Natalia Portillo
2019-03-13 20:58:28 +00:00
parent 0a68e05f55
commit db75c6a8c7
4 changed files with 234 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
.idea/.idea.DiscImageChef.VideoNow/.idea/contentModel.xml generated
View File

@@ -26,6 +26,7 @@
<e p="Localization.sv.resx" t="Include" />
</e>
<e p="Swapping.cs" t="Include" />
<e p="Xp.cs" t="Include" />
<e p="bin" t="ExcludeRecursive" />
<e p="obj" t="ExcludeRecursive" />
</e>

2
DiscImageChef.VideoNow/Program.cs
View File

@@ -197,7 +197,7 @@ namespace DiscImageChef.VideoNow
: Localization.FirstFrameIsNotAtSectorBoundary);
if(xp)
Console.WriteLine("VideoNow XP discs are not yet supported");
Xp.Decode(args[0], fs, swapped, framePosition);
else
Color.Decode(args[0], fs, swapped, framePosition);

4
DiscImageChef.VideoNow/Properties/AssemblyInfo.cs
View File

@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.1.0")]
[assembly: AssemblyFileVersion("1.0.1.0")]
[assembly: AssemblyVersion("2.0.0.0")]
[assembly: AssemblyFileVersion("2.0.0.0")]

230
DiscImageChef.VideoNow/Xp.cs
View File

@@ -1,3 +1,9 @@
using System;
using System.IO;
using System.Linq;
using SharpAvi;
using SharpAvi.Output;
namespace DiscImageChef.VideoNow
{
public static class Xp
@@ -145,5 +151,229 @@ namespace DiscImageChef.VideoNow
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x00, 0xFF
};
public static void Decode(string filename, Stream fs, bool swapped, long framePosition)
{
char progress = ' ';
var aviWriter = new AviWriter(filename + ".avi")
{
EmitIndex1 = true, FramesPerSecond = 18
};
IAviVideoStream videoStream = aviWriter.AddVideoStream(144, 80, BitsPerPixel.Bpp24);
videoStream.Codec = KnownFourCCs.Codecs.Uncompressed;
IAviAudioStream audioStream = aviWriter.AddAudioStream(2, 17784, 8);
fs.Position = framePosition;
byte[] frameBuffer = new byte[19760];
fs.Read(frameBuffer, 0, frameBuffer.Length);
int audioStart = swapped ? 9 : 8;
byte[] frameMarkerToUse = swapped ? SwappedFrameMarker : FrameMarker;
byte[] frameMaskToUse = swapped ? SwappedFrameMask : FrameMask;
if(swapped)
frameBuffer = Swapping.SwapBuffer(frameBuffer);
var outFs = new MemoryStream();
for(int i = 9; i <= frameBuffer.Length; i += 10)
{
switch(i / 10 % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write($"\r{Localization.ExtractingAudio}", progress);
outFs.WriteByte(frameBuffer[i]);
}
byte[] videoFrame = Color.DecodeFrame(frameBuffer);
videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
int totalFrames = 1;
framePosition += 19760;
byte[] buffer = new byte[frameMarkerToUse.Length];
while(framePosition + 19760 < fs.Length)
{
switch(totalFrames % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write($"\r{Localization.LookingForMoreFrames}", progress);
for(int i = 0; i < buffer.Length; i++)
buffer[i] &= frameMaskToUse[i];
if(!buffer.SequenceEqual(frameMarkerToUse))
{
Console.Write("\r \r");
Console.WriteLine(Localization.FrameAndNextAreNotAligned, totalFrames);
long expectedFramePosition = framePosition;
while(framePosition < fs.Length)
{
fs.Position = framePosition;
fs.Read(buffer, 0, buffer.Length);
for(int i = 0; i < buffer.Length; i++)
buffer[i] &= frameMaskToUse[i];
if(buffer.SequenceEqual(frameMarkerToUse))
{
Console.Write("\r \r");
fs.Position = framePosition;
frameBuffer = new byte[19760];
fs.Read(frameBuffer, 0, frameBuffer.Length);
if(swapped)
frameBuffer = Swapping.SwapBuffer(frameBuffer);
outFs = new MemoryStream();
for(int i = 9; i <= frameBuffer.Length; i += 10)
{
switch(i / 10 % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write($"\r{Localization.ExtractingAudio}", progress);
outFs.WriteByte(frameBuffer[i]);
}
videoFrame = Color.DecodeFrame(frameBuffer);
videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
totalFrames++;
Console.Write("\r \r");
Console.WriteLine(Localization.FrameFoundAtPosition, framePosition, totalFrames,
framePosition - expectedFramePosition);
Console.
WriteLine(framePosition % 2352 == 0 ? Localization.FrameIsAtSectorBoundary : Localization.FrameIsNotAtSectorBoundary,
totalFrames);
framePosition += 19760;
break;
}
framePosition++;
}
continue;
}
if(framePosition % 2352 == 0)
{
Console.Write("\r \r");
Console.WriteLine(Localization.FrameIsAtSectorBoundary, totalFrames);
}
Console.Write("\r \r");
fs.Position = framePosition;
frameBuffer = new byte[19760];
fs.Read(frameBuffer, 0, frameBuffer.Length);
if(swapped)
frameBuffer = Swapping.SwapBuffer(frameBuffer);
outFs = new MemoryStream();
for(int i = 9; i <= frameBuffer.Length; i += 10)
{
switch(i / 10 % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write($"\r{Localization.ExtractingAudio}", progress);
outFs.WriteByte(frameBuffer[i]);
}
videoFrame = Color.DecodeFrame(frameBuffer);
videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
totalFrames++;
fs.Position = framePosition;
fs.Read(buffer, 0, buffer.Length);
framePosition += 19760;
}
Console.Write("\r \r");
Console.WriteLine(Localization.FramesFound, totalFrames);
outFs.Close();
aviWriter.Close();
}
}
}