#43056 oggのデコードでもmp3/wavと同じミス(ヘッダのオーバーライト)をしていたので修正。

diff --git a/FDK/コード/03.サウンド/Cogg.cs b/FDK/コード/03.サウンド/Cogg.cs
index b03b2e8..06039d8 100644 (file)
--- a/FDK/コード/03.サウンド/Cogg.cs
+++ b/FDK/コード/03.サウンド/Cogg.cs
@@ -70,9 +70,14 @@ namespace FDK
                        // create a buffer for reading samples
                        var readBuffer = new float[vorbis.Channels * vorbis.SampleRate * 5];  // 5sec buffer
 
+                       for ( int i = 0; i < offset; i++ )
+                       {
+                               Dest[ i ] = 0;
+                       }
+
                        // go grab samples
                        int cnt;
-                       int p = 0;
+                       int p = (int)offset;
                        while ((cnt = vorbis.ReadSamples(readBuffer, 0, readBuffer.Length)) > 0)
                        {
                                bool bEnd = false;
@@ -80,9 +85,9 @@ namespace FDK
                                // samples are interleaved (chan0, chan1, chan0, chan1, etc.)
                                // sample value range is -0.99999994f to 0.99999994f unless vorbis.ClipSamples == false
 
-                               if (Dest.Length < p + cnt * 4)
+                               if (Dest.Length + offset < p + cnt * 4)
                                {
-                                       cnt = (Dest.Length - p) / 4;
+                                       cnt = (Dest.Length +(int) offset - p) / 4;
                                        bEnd = true;
                                }
                                Buffer.BlockCopy(readBuffer, 0, Dest, p, cnt * 4);