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Support 8 bit .aud files.

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This commit is contained in:
Matthias Mailänder
2020-12-14 20:30:09 +01:00
committed by Paul Chote
parent d38fe542a2
commit 9a9f58d744
2 changed files with 6 additions and 11 deletions
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11
OpenRA.Mods.Cnc/AudioLoaders/AudLoader.cs
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@@ -20,14 +20,10 @@ namespace OpenRA.Mods.Cnc.AudioLoaders
bool IsAud(Stream s)
{
var start = s.Position;
s.Position += 10;
var readFlag = s.ReadByte();
s.Position += 11;
var readFormat = s.ReadByte();
s.Position = start;
if (!Enum.IsDefined(typeof(SoundFlags), readFlag))
return false;
return Enum.IsDefined(typeof(SoundFormat), readFormat);
}
@@ -54,7 +50,7 @@ namespace OpenRA.Mods.Cnc.AudioLoaders
public sealed class AudFormat : ISoundFormat
{
public int Channels { get { return 1; } }
public int SampleBits { get { return 16; } }
public int SampleBits { get { return sampleBits; } }
public int SampleRate { get { return sampleRate; } }
public float LengthInSeconds { get { return AudReader.SoundLength(sourceStream); } }
public Stream GetPCMInputStream() { return audStreamFactory(); }
@@ -62,13 +58,14 @@ namespace OpenRA.Mods.Cnc.AudioLoaders
readonly Stream sourceStream;
readonly Func<Stream> audStreamFactory;
readonly int sampleBits;
readonly int sampleRate;
public AudFormat(Stream stream)
{
sourceStream = stream;
if (!AudReader.LoadSound(stream, out audStreamFactory, out sampleRate))
if (!AudReader.LoadSound(stream, out audStreamFactory, out sampleRate, out sampleBits))
throw new InvalidDataException();
}
}

6
OpenRA.Mods.Cnc/FileFormats/AudReader.cs
View File

@@ -49,7 +49,7 @@ namespace OpenRA.Mods.Cnc.FileFormats
return (float)samples / sampleRate;
}
public static bool LoadSound(Stream s, out Func<Stream> result, out int sampleRate)
public static bool LoadSound(Stream s, out Func<Stream> result, out int sampleRate, out int sampleBits)
{
result = null;
var startPosition = s.Position;
@@ -58,10 +58,8 @@ namespace OpenRA.Mods.Cnc.FileFormats
sampleRate = s.ReadUInt16();
var dataSize = s.ReadInt32();
var outputSize = s.ReadInt32();
var readFlag = s.ReadByte();
if (!Enum.IsDefined(typeof(SoundFlags), readFlag))
return false;
sampleBits = (readFlag & (int)SoundFlags._16Bit) == 0 ? 8 : 16;
var readFormat = s.ReadByte();
if (!Enum.IsDefined(typeof(SoundFormat), readFormat))