aaru-dps/Aaru.VideoNow
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Decode video and save frames as BMP.

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Natalia Portillo
2019-02-10 01:09:55 +00:00
parent bc701464e0
commit 141fa0dd6b
1 changed files with 115 additions and 0 deletions
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115
DiscImageChef.VideoNow/Program.cs
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@@ -77,6 +77,15 @@ namespace DiscImageChef.VideoNow
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF
};
static readonly byte[] bitmapHeader
= {
0x42, 0x4D, 0x36, 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x28, 0x00,
0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x87, 0x00, 0x00, 0x23, 0x2E, 0x00, 0x00, 0x23, 0x2E, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
public static void Main(string[] args)
{
object[] attributes = typeof(MainClass).Assembly.GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
@@ -192,6 +201,13 @@ namespace DiscImageChef.VideoNow
outFs.WriteByte(frameBuffer[i]);
}
FileStream frameFs = new FileStream($"{args[0]}.frame0000.bmp", FileMode.Create, FileAccess.ReadWrite,
FileShare.Read);
frameFs.Write(bitmapHeader, 0, bitmapHeader.Length);
frameBuffer = DecodeFrame(frameBuffer);
frameFs.Write(frameBuffer, 0, frameBuffer.Length);
frameFs.Close();
int totalFrames = 1;
framePosition += 19600;
buffer = new byte[frameMarker.Length];
@@ -261,6 +277,12 @@ namespace DiscImageChef.VideoNow
Console.Write("\rExtracting audio {0} ", progress);
outFs.WriteByte(frameBuffer[i]);
}
frameFs = new FileStream($"{args[0]}.frame{totalFrames:D6}.bmp", FileMode.Create, FileAccess.ReadWrite,
FileShare.Read);
frameFs.Write(bitmapHeader, 0, bitmapHeader.Length);
frameBuffer = DecodeFrame(frameBuffer);
frameFs.Write(frameBuffer, 0, frameBuffer.Length);
frameFs.Close();
totalFrames++;
Console.Write("\r \r");
@@ -312,6 +334,12 @@ namespace DiscImageChef.VideoNow
Console.Write("\rExtracting audio {0} ", progress);
outFs.WriteByte(frameBuffer[i]);
}
frameFs = new FileStream($"{args[0]}.frame{totalFrames:D6}.bmp", FileMode.Create, FileAccess.ReadWrite,
FileShare.Read);
frameFs.Write(bitmapHeader, 0, bitmapHeader.Length);
frameBuffer = DecodeFrame(frameBuffer);
frameFs.Write(frameBuffer, 0, frameBuffer.Length);
frameFs.Close();
totalFrames++;
fs.Position = framePosition;
@@ -369,6 +397,93 @@ namespace DiscImageChef.VideoNow
}
return tmp;
}
static byte[] DecodeFrame(byte[] frameBuffer)
{
char progress = ' ';
MemoryStream videoFs = new MemoryStream();
Array.Reverse(frameBuffer);
byte r, g, b;
int index = 1;
int indexBlock2;
for(int i = 0; i < 19200; i += 240)
{
for(int k = 0; k < 120; k += 10)
{
for(int j = 1; j < 9; j += 3)
{
indexBlock2 = index + 120;
switch(index / 10 % 4)
{
case 0:
progress = '-';
break;
case 1:
progress = '\\';
break;
case 2:
progress = '|';
break;
case 3:
progress = '/';
break;
}
Console.Write("\rExtracting video {0} ", progress);
r = (byte)((frameBuffer[index] & 0xF0) + ((frameBuffer[index] & 0xF0) >> 4));
b = (byte)((frameBuffer[indexBlock2] & 0xF0) +
((frameBuffer[indexBlock2] & 0xF0) >> 4));
g = (byte)((frameBuffer[indexBlock2] & 0x0F) +
((frameBuffer[indexBlock2] & 0x0F) << 4));
videoFs.WriteByte(r);
videoFs.WriteByte(g);
videoFs.WriteByte(b);
r = (byte)((frameBuffer[indexBlock2 + 1] & 0xF0) +
((frameBuffer[indexBlock2 + 1] & 0xF0) >> 4));
b = (byte)((frameBuffer[index] & 0x0F) + ((frameBuffer[index] & 0x0F) << 4));
g = (byte)((frameBuffer[index + 1] & 0xF0) + ((frameBuffer[index + 1] & 0xF0) >> 4));
videoFs.WriteByte(r);
videoFs.WriteByte(g);
videoFs.WriteByte(b);
r = (byte)((frameBuffer[index + 1] & 0x0F) + ((frameBuffer[index + 1] & 0x0F) << 4));
b = (byte)((frameBuffer[indexBlock2 + 1] & 0x0F) +
((frameBuffer[indexBlock2 + 1] & 0x0F) << 4));
g = (byte)((frameBuffer[indexBlock2 + 2] & 0xF0) +
((frameBuffer[indexBlock2 + 2] & 0xF0) >> 4));
videoFs.WriteByte(r);
videoFs.WriteByte(g);
videoFs.WriteByte(b);
r = (byte)((frameBuffer[index + 120 + 2] & 0x0F) +
((frameBuffer[index + 120 + 2] & 0x0F) << 4));
b = (byte)((frameBuffer[index + 2] & 0xF0) + ((frameBuffer[index + 2] & 0xF0) >> 4));
g = (byte)((frameBuffer[index + 2] & 0x0F) + ((frameBuffer[index + 2] & 0x0F) << 4));
videoFs.WriteByte(r);
videoFs.WriteByte(g);
videoFs.WriteByte(b);
index += 3;
}
index += 1;
}
index += 120;
}
frameBuffer = videoFs.ToArray();
byte[] tmp = new byte[144 * 3];
for(int i = 0; i < 80; i++)
{
Array.Copy(frameBuffer, i * tmp.Length, tmp, 0, tmp.Length);
Array.Reverse(tmp);
Array.Copy(tmp, 0, frameBuffer, i *tmp.Length, tmp.Length);
}
return frameBuffer;
}
}
[StructLayout(LayoutKind.Sequential)]