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Code cleanup, fix playback again

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This commit is contained in:
Matt Nadareski
2021-10-06 22:46:50 -07:00
parent b02ca60b1e
commit 8643bf36a6
5 changed files with 46 additions and 50 deletions
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54
RedBookPlayer.Models/Hardware/Player.cs
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@@ -296,7 +296,7 @@ namespace RedBookPlayer.Models.Hardware
/// <summary>
/// OpticalDisc objects
/// </summary>
private OpticalDiscBase[] _opticalDiscs;
private readonly OpticalDiscBase[] _opticalDiscs;
/// <summary>
/// List of available tracks organized by disc
@@ -321,7 +321,7 @@ namespace RedBookPlayer.Models.Hardware
/// <summary>
/// Filtering stage for audio output
/// </summary>
private FilterStage _filterStage;
private readonly FilterStage _filterStage;
/// <summary>
/// Current position in the sector for reading
@@ -467,26 +467,23 @@ namespace RedBookPlayer.Models.Hardware
int currentFoundTrack = 0;
if(_trackPlaybackOrder == null || _trackPlaybackOrder.Count == 0)
{
currentFoundTrack = 0;
_currentTrackInOrder = 0;
return;
}
else if(_trackPlaybackOrder.Any(kvp => kvp.Key == CurrentDisc))
{
currentFoundTrack = _trackPlaybackOrder.FindIndex(kvp => kvp.Key == CurrentDisc && kvp.Value == CurrentTrackNumber);
if(currentFoundTrack == -1)
currentFoundTrack = _trackPlaybackOrder.Where(kvp => kvp.Key == CurrentDisc).Min(kvp => kvp.Value);
CurrentDisc = _trackPlaybackOrder[currentFoundTrack].Key;
CurrentTrackNumber = _trackPlaybackOrder[currentFoundTrack].Value;
currentFoundTrack = _trackPlaybackOrder.FindIndex(kvp => kvp.Key == CurrentDisc && kvp.Value == _trackPlaybackOrder.Min(kvp => kvp.Value));
}
else
{
int lowestDiscNumber = _trackPlaybackOrder.Min(kvp => kvp.Key);
currentFoundTrack = _trackPlaybackOrder.Where(kvp => kvp.Key == lowestDiscNumber).Min(kvp => kvp.Value);
currentFoundTrack = _trackPlaybackOrder.FindIndex(kvp => kvp.Key == lowestDiscNumber && kvp.Value == _trackPlaybackOrder.Min(kvp => kvp.Value));
}
CurrentDisc = _trackPlaybackOrder[currentFoundTrack].Key;
CurrentTrackNumber = _trackPlaybackOrder[currentFoundTrack].Value;
}
_currentTrackInOrder = currentFoundTrack;
}
@@ -706,7 +703,7 @@ namespace RedBookPlayer.Models.Hardware
}
// Determine how many sectors we can read
DetermineReadAmount(count, out ulong sectorsToRead, out ulong zeroSectorsAmount);
DetermineReadAmount(out ulong sectorsToRead, out ulong zeroSectorsAmount);
// Get data to return
byte[] audioDataSegment = ReadData(count, sectorsToRead, zeroSectorsAmount);
@@ -750,7 +747,7 @@ namespace RedBookPlayer.Models.Hardware
// If we are supposed to change tracks, get the next one from the list
if(CurrentTrackNumber != previousTrack && !ShouldInvokePlaybackModes)
NextTrack();
Dispatcher.UIThread.InvokeAsync(NextTrack).ConfigureAwait(false).GetAwaiter().GetResult();
}
return count;
@@ -888,10 +885,6 @@ namespace RedBookPlayer.Models.Hardware
if(_opticalDiscs[CurrentDisc] == null || !_opticalDiscs[CurrentDisc].Initialized)
return false;
// If the disc didn't change, don't do anything
if(_currentTrackNumber == trackNumber)
return false;
PlayerState wasPlaying = PlayerState;
if(wasPlaying == PlayerState.Playing)
Pause();
@@ -978,13 +971,12 @@ namespace RedBookPlayer.Models.Hardware
/// <summary>
/// Determine the number of real and zero sectors to read
/// </summary>
/// <param name="count">Number of requested bytes to read</param>
/// <param name="sectorsToRead">Number of sectors to read</param>
/// <param name="zeroSectorsAmount">Number of zeroed sectors to concatenate</param>
private void DetermineReadAmount(int count, out ulong sectorsToRead, out ulong zeroSectorsAmount)
private void DetermineReadAmount(out ulong sectorsToRead, out ulong zeroSectorsAmount)
{
// Attempt to read 10 more sectors than requested
sectorsToRead = ((ulong)count / (ulong)_opticalDiscs[CurrentDisc].BytesPerSector) + 10;
// Always attempt to read one frame of data
sectorsToRead = 75;
zeroSectorsAmount = 0;
// Avoid overreads by padding with 0-byte data at the end
@@ -1024,7 +1016,7 @@ namespace RedBookPlayer.Models.Hardware
{
if(_opticalDiscs[CurrentDisc] is CompactDisc compactDisc)
{
byte[] subchannelData = compactDisc.ReadSubchannels((uint)sectorsToRead);
//byte[] subchannelData = compactDisc.ReadSubchannels((uint)sectorsToRead);
return compactDisc.ReadSectors((uint)sectorsToRead, DataPlayback).Concat(zeroSectors).ToArray();
}
else
@@ -1296,7 +1288,11 @@ namespace RedBookPlayer.Models.Hardware
private void OpticalDiscStateChanged(object sender, PropertyChangedEventArgs e)
{
if(_opticalDiscs[CurrentDisc] == null)
{
ImagePath = null;
CurrentTrackNumber = 1;
return;
}
ImagePath = _opticalDiscs[CurrentDisc].ImagePath;
CurrentTrackNumber = _opticalDiscs[CurrentDisc].CurrentTrackNumber;
@@ -1371,14 +1367,14 @@ namespace RedBookPlayer.Models.Hardware
byte b = subchannelData[i];
// Set the respective bit in the new byte data
formattedData['P'][index] |= (byte)(HasBitSet(b, 7) ? 1 << modValue : 0);
formattedData['Q'][index] |= (byte)(HasBitSet(b, 6) ? 1 << modValue : 0);
formattedData['R'][index] |= (byte)(HasBitSet(b, 5) ? 1 << modValue : 0);
formattedData['S'][index] |= (byte)(HasBitSet(b, 4) ? 1 << modValue : 0);
formattedData['T'][index] |= (byte)(HasBitSet(b, 3) ? 1 << modValue : 0);
formattedData['U'][index] |= (byte)(HasBitSet(b, 2) ? 1 << modValue : 0);
formattedData['V'][index] |= (byte)(HasBitSet(b, 1) ? 1 << modValue : 0);
formattedData['W'][index] |= (byte)(HasBitSet(b, 0) ? 1 << modValue : 0);
formattedData['P'][index] |= (byte)(HasBitSet(b, 7) ? 1 << (7 - modValue) : 0);
formattedData['Q'][index] |= (byte)(HasBitSet(b, 6) ? 1 << (7 - modValue) : 0);
formattedData['R'][index] |= (byte)(HasBitSet(b, 5) ? 1 << (7 - modValue) : 0);
formattedData['S'][index] |= (byte)(HasBitSet(b, 4) ? 1 << (7 - modValue) : 0);
formattedData['T'][index] |= (byte)(HasBitSet(b, 3) ? 1 << (7 - modValue) : 0);
formattedData['U'][index] |= (byte)(HasBitSet(b, 2) ? 1 << (7 - modValue) : 0);
formattedData['V'][index] |= (byte)(HasBitSet(b, 1) ? 1 << (7 - modValue) : 0);
formattedData['W'][index] |= (byte)(HasBitSet(b, 0) ? 1 << (7 - modValue) : 0);
}
return formattedData;