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Reworked ISoundFormat.LengthInSeconds implementations

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This commit is contained in:
penev92
2022-01-04 23:13:56 +02:00
committed by Matthias Mailänder
parent 631297417c
commit 87b92b53a4
7 changed files with 21 additions and 59 deletions
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23
OpenRA.Mods.Common/FileFormats/WavReader.cs
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@@ -20,12 +20,13 @@ namespace OpenRA.Mods.Common.FileFormats
{
enum WaveType { Pcm = 0x1, MsAdpcm = 0x2, ImaAdpcm = 0x11 }
public static bool LoadSound(Stream s, out Func<Stream> result, out short channels, out int sampleBits, out int sampleRate)
public static bool LoadSound(Stream s, out Func<Stream> result, out short channels, out int sampleBits, out int sampleRate, out float lengthInSeconds)
{
result = null;
channels = -1;
sampleBits = -1;
sampleRate = -1;
lengthInSeconds = -1;
var type = s.ReadASCII(4);
if (type != "RIFF")
@@ -65,6 +66,7 @@ namespace OpenRA.Mods.Common.FileFormats
s.ReadInt32(); // Byte Rate
blockAlign = s.ReadInt16();
sampleBits = s.ReadInt16();
lengthInSeconds = (float)(s.Length * 8) / (channels * sampleRate * sampleBits);
s.ReadBytes(fmtChunkSize - 16);
break;
case "fact":
@@ -107,25 +109,6 @@ namespace OpenRA.Mods.Common.FileFormats
return true;
}
public static float WaveLength(Stream s)
{
s.Position = 12;
var fmt = s.ReadASCII(4);
if (fmt != "fmt ")
return 0;
s.Position = 22;
var channels = s.ReadInt16();
var sampleRate = s.ReadInt32();
s.Position = 34;
var bitsPerSample = s.ReadInt16();
var length = s.Length * 8;
return (float)length / (channels * sampleRate * bitsPerSample);
}
sealed class WavStreamImaAdpcm : ReadOnlyAdapterStream
{
readonly short channels;