void ReadPalette()
{
VidBlockTypes blockType = (VidBlockTypes)reader.ReadByte();
if (blockType != VidBlockTypes.Palette)
{
throw new Exception("VidFile: Palette block not encountered after header.");
}
int pos = 0;
byte[] data = reader.ReadBytes(paletteDataLength);
palette = new Color32[paletteColorCount];
for (int i = 0; i < paletteColorCount; i++)
{
palette[i] = new Color32(
(byte)(data[pos++] * paletteMultiplier),
(byte)(data[pos++] * paletteMultiplier),
(byte)(data[pos++] * paletteMultiplier),
255);
}
}
int ReadBlock()
{
if (endOfFileReached)
{
return(0);
}
reader.BaseStream.Position = streamPosition;
// Read next block type
VidBlockTypes blockType = (VidBlockTypes)reader.ReadByte();
lastBlockType = blockType;
// Handle null block
if (blockType == VidBlockTypes.Null)
{
//Debug.Log("Null block encountered.");
streamPosition = reader.BaseStream.Position;
return(0);
}
try
{
switch (blockType)
{
case VidBlockTypes.Palette:
//Debug.Log("Skipping extra palette data");
streamPosition += paletteDataLength;
break;
case VidBlockTypes.Audio_StartFrame:
//Debug.Log("Reading Audio_StartFrame");
ReadAudioStartFrame(reader);
break;
case VidBlockTypes.Audio_IncrementalFrame:
//Debug.Log("Reading Audio_IncrementalFrame");
ReadAudioIncrementalFrame(reader);
break;
case VidBlockTypes.Video_StartFrame:
//Debug.Log("Reading Video_StartFrame");
ReadVideoStartFrame(reader);
break;
case VidBlockTypes.Video_IncrementalFrame:
//Debug.Log("Reading Video_IncrementalFrame");
ReadVideoIncrementalFrame(reader);
break;
case VidBlockTypes.Video_IncrementalRowOffsetFrame:
//Debug.Log("Reading Video_IncrementalRowOffsetFrame");
ReadVideoRowOffsetFrame(reader);
break;
case VidBlockTypes.EndOfFile:
Debug.Log("End of VID file reached");
endOfFileReached = true;
break;
default:
throw new Exception("VidFile: Invalid/Unknown block type encountered.");
}
}
catch (Exception ex)
{
Debug.Log(ex.Message);
return(0);
}
// Calculate delay time for this frame
// Generally equivalent to (float)audioBuffer.Length / (float)sampleRate
// Seems to differ mainly at beginning and end of video
//frameDelay = ((float)(header.GlobalDelay + (float)lastDelay) * (float)delayMultiplier) / (float)sampleRate;
frameDelay = (double)audioBuffer.Length / (double)sampleRate;
long bytesRead = reader.BaseStream.Position - streamPosition;
streamPosition = reader.BaseStream.Position;
currentBlock++;
return((int)bytesRead);
}
int ReadBlock()
{
if (endOfFileReached)
{
return(0);
}
reader.BaseStream.Position = streamPosition;
// Read next block type
VidBlockTypes blockType = (VidBlockTypes)reader.ReadByte();
lastBlockType = blockType;
// Handle null block
if (blockType == VidBlockTypes.Null)
{
//Debug.Log("Null block encountered.");
streamPosition = reader.BaseStream.Position;
return(0);
}
try
{
switch (blockType)
{
case VidBlockTypes.Palette:
//Debug.Log("Skipping extra palette data");
streamPosition += paletteDataLength;
break;
case VidBlockTypes.Audio_StartFrame:
//Debug.Log("Reading Audio_StartFrame");
ReadAudioStartFrame();
break;
case VidBlockTypes.Audio_IncrementalFrame:
//Debug.Log("Reading Audio_IncrementalFrame");
ReadAudioIncrementalFrame();
break;
case VidBlockTypes.Video_StartFrame:
//Debug.Log("Reading Video_StartFrame");
ReadVideoStartFrame();
break;
case VidBlockTypes.Video_IncrementalFrame:
//Debug.Log("Reading Video_IncrementalFrame");
ReadVideoIncrementalFrame();
break;
case VidBlockTypes.Video_IncrementalRowOffsetFrame:
//Debug.Log("Reading Video_IncrementalRowOffsetFrame");
ReadVideoRowOffsetFrame();
break;
case VidBlockTypes.EndOfFile:
Debug.Log("End of VID file reached");
endOfFileReached = true;
break;
default:
throw new Exception("VidFile: Invalid/Unknown block type encountered.");
}
}
catch (Exception ex)
{
Debug.Log(ex.Message);
return(0);
}
// Calculate delay time for this frame
// Generally equivalent to (float)audioBuffer.Length / (float)sampleRate
// Seems to differ mainly at beginning and end of video
//frameDelay = ((float)(header.GlobalDelay + (float)lastDelay) * (float)delayMultiplier) / (float)sampleRate;
frameDelay = (double)audioBuffer.Length / (double)sampleRate;
// Daggerfall .VID files always have at least an audioBuffer.Length of 740 while in the middle of audio portions.
// As the audio portion ends, this length can be much shorter, causing frameDelay to become very short
// and making playback speed up. Enforcing a minimum based on a length of 740 to fix this.
// This fixes the ends of ANIM0000.VID and ANIM0005.VID.
if (frameDelay < minFrameDelay)
{
frameDelay = minFrameDelay;
}
long bytesRead = reader.BaseStream.Position - streamPosition;
streamPosition = reader.BaseStream.Position;
currentBlock++;
return((int)bytesRead);
}
int ReadBlock()
{
if (endOfFileReached)
return 0;
reader.BaseStream.Position = streamPosition;
// Read next block type
VidBlockTypes blockType = (VidBlockTypes)reader.ReadByte();
lastBlockType = blockType;
// Handle null block
if (blockType == VidBlockTypes.Null)
{
//Debug.Log("Null block encountered.");
streamPosition = reader.BaseStream.Position;
return 0;
}
try
{
switch (blockType)
{
case VidBlockTypes.Palette:
//Debug.Log("Skipping extra palette data");
streamPosition += paletteDataLength;
break;
case VidBlockTypes.Audio_StartFrame:
//Debug.Log("Reading Audio_StartFrame");
ReadAudioStartFrame(reader);
break;
case VidBlockTypes.Audio_IncrementalFrame:
//Debug.Log("Reading Audio_IncrementalFrame");
ReadAudioIncrementalFrame(reader);
break;
case VidBlockTypes.Video_StartFrame:
//Debug.Log("Reading Video_StartFrame");
ReadVideoStartFrame(reader);
break;
case VidBlockTypes.Video_IncrementalFrame:
//Debug.Log("Reading Video_IncrementalFrame");
ReadVideoIncrementalFrame(reader);
break;
case VidBlockTypes.Video_IncrementalRowOffsetFrame:
//Debug.Log("Reading Video_IncrementalRowOffsetFrame");
ReadVideoRowOffsetFrame(reader);
break;
case VidBlockTypes.EndOfFile:
Debug.Log("End of VID file reached");
endOfFileReached = true;
break;
default:
throw new Exception("VidFile: Invalid/Unknown block type encountered.");
}
}
catch (Exception ex)
{
Debug.Log(ex.Message);
return 0;
}
// Calculate delay time for this frame
// Generally equivalent to (float)audioBuffer.Length / (float)sampleRate
// Seems to differ mainly at beginning and end of video
//frameDelay = ((float)(header.GlobalDelay + (float)lastDelay) * (float)delayMultiplier) / (float)sampleRate;
frameDelay = (double)audioBuffer.Length / (double)sampleRate;
long bytesRead = reader.BaseStream.Position - streamPosition;
streamPosition = reader.BaseStream.Position;
currentBlock++;
return (int)bytesRead;
}
