Adding an instrument now returns the instrument's index

Kermalis · Aug 29, 2018 · 4c1a2de · 4c1a2de
1 parent 89d5554
commit 4c1a2de
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/SoundFont2/SF2.cs b/SoundFont2/SF2.cs
@@ -83,9 +83,10 @@ public uint AddSample(short[] pcm16, string name, bool bLoop, uint loopPos, uint
 
             return AddSampleHeader(name, start, end, loopStart, loopEnd, sampleRate, originalKey, pitchCorrection);
         }
-        public void AddInstrument(string name)
+        // Returns instrument index
+        public uint AddInstrument(string name)
         {
-            hydraChunk.INSTSubChunk.AddInstrument(new SF2Instrument(this)
+            return hydraChunk.INSTSubChunk.AddInstrument(new SF2Instrument(this)
             {
                 InstrumentName = name,
                 InstrumentBagIndex = (ushort)IBAGCount

diff --git a/SoundFont2/SF2Chunks.cs b/SoundFont2/SF2Chunks.cs
@@ -471,11 +471,12 @@ internal override void Write(BinaryWriter writer)
                 instruments[i].Write(writer);
         }
 
-        internal void AddInstrument(SF2Instrument instrument)
+        internal uint AddInstrument(SF2Instrument instrument)
         {
             instruments.Add(instrument);
             Size = Count * SF2Instrument.Size;
             sf2.UpdateSize();
+            return Count - 1;
         }
 
         public override string ToString() => $"Instrument Chunk - Instrument count = {Count}";