142         NoteInfo* noteInfo = FindNoteInfo( channelIndex );  in NoteOn()  local
143         if ( noteInfo != NULL )  in NoteOn()
145             Channel* channel = noteInfo->channel;  in NoteOn()
151                 noteInfo->key = key;  in NoteOn()
155             noteInfo->channel = NULL;  in NoteOn()
162     NoteInfo* noteInfo = FindFreeNoteInfo();  in NoteOn()  local
163     NW_NULL_ASSERT( noteInfo );  in NoteOn()
165     noteInfo->channel = channel;  in NoteOn()
166     noteInfo->channelIndex = channelIndex;  in NoteOn()
167     noteInfo->key = key;  in NoteOn()
182         NoteInfo* noteInfo = FindNoteInfo( channelIndex, key );  in NoteOff()  local
183         if ( noteInfo == NULL ) break;  in NoteOff()
185         noteInfo->channel->SetLength( 0 );  in NoteOff()
186         track->UpdateChannelRelease( noteInfo->channel );  in NoteOff()
187         noteInfo->channel = NULL;  in NoteOff()