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

Export decoded video and audio to uncompressed AVI.

Browse Source
This commit is contained in:
Natalia Portillo
2019-02-10 14:51:10 +00:00
parent 141fa0dd6b
commit db732ac9af
2 changed files with 23 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
DiscImageChef.VideoNow/DiscImageChef.VideoNow.csproj
View File

@@ -49,6 +49,9 @@
<Link>README.md</Link>
</Content>
</ItemGroup>
<ItemGroup>
<PackageReference Include="SharpAvi" Version="2.1.1" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.

127
DiscImageChef.VideoNow/Program.cs
View File

@@ -35,6 +35,8 @@ using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using SharpAvi;
using SharpAvi.Output;
namespace DiscImageChef.VideoNow
{
@@ -77,15 +79,6 @@ 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);
@@ -154,31 +147,17 @@ namespace DiscImageChef.VideoNow
Console.WriteLine("First frame {0} at a sector boundary", framePosition % 2352 == 0 ? "is" : "is not");
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);
AviWriter aviWriter = new AviWriter(args[0] + ".avi") {EmitIndex1 = true, FramesPerSecond = 18};
IAviVideoStream videoStream = aviWriter.AddVideoStream(144, 80, BitsPerPixel.Bpp24);
videoStream.Codec = KnownFourCCs.Codecs.Uncompressed;
var audioStream = aviWriter.AddAudioStream(2, 17640, 8);
fs.Position = framePosition;
byte[] frameBuffer = new byte[19600];
fs.Read(frameBuffer, 0, frameBuffer.Length);
frameBuffer = SwapBuffer(frameBuffer);
var outFs = new MemoryStream();
for(int i = 9; i <= frameBuffer.Length; i += 10)
{
switch(i / 10 % 4)
@@ -201,12 +180,9 @@ namespace DiscImageChef.VideoNow
outFs.WriteByte(frameBuffer[i]);
}
FileStream frameFs = new FileStream($"{args[0]}.frame0000.bmp", FileMode.Create, FileAccess.ReadWrite,
FileShare.Read);
frameFs.Write(bitmapHeader, 0, bitmapHeader.Length);
frameBuffer = DecodeFrame(frameBuffer);
frameFs.Write(frameBuffer, 0, frameBuffer.Length);
frameFs.Close();
byte[] videoFrame = DecodeFrame(frameBuffer);
videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
int totalFrames = 1;
framePosition += 19600;
@@ -256,6 +232,7 @@ namespace DiscImageChef.VideoNow
fs.Read(frameBuffer, 0, frameBuffer.Length);
frameBuffer = SwapBuffer(frameBuffer);
outFs = new MemoryStream();
for(int i = 9; i <= frameBuffer.Length; i += 10)
{
switch(i / 10 % 4)
@@ -277,12 +254,9 @@ namespace DiscImageChef.VideoNow
Console.Write("\rExtracting audio {0} ", progress);
outFs.WriteByte(frameBuffer[i]);
}
frameFs = new FileStream($"{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();
videoFrame = DecodeFrame(frameBuffer);
videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
totalFrames++;
Console.Write("\r \r");
@@ -313,6 +287,7 @@ namespace DiscImageChef.VideoNow
fs.Read(frameBuffer, 0, frameBuffer.Length);
frameBuffer = SwapBuffer(frameBuffer);
outFs = new MemoryStream();
for(int i = 9; i <= frameBuffer.Length; i += 10)
{
switch(i / 10 % 4)
@@ -334,12 +309,9 @@ 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();
videoFrame = DecodeFrame(frameBuffer);
videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
totalFrames++;
fs.Position = framePosition;
@@ -351,33 +323,8 @@ namespace DiscImageChef.VideoNow
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();
aviWriter.Close();
}
static void PrintCopyright()
@@ -475,42 +422,8 @@ namespace DiscImageChef.VideoNow
}
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);
}
Array.Reverse(frameBuffer);
return frameBuffer;
}
}
[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;
}
}