New API, classic ADLMIDI, and CMake

- Attempt to support hardware OPL and add build of classic ADLMIDI into CMake
- Added new API functions
- Added C++ Extras are needed for classic ADLMIDI player
- Error string is no more static. Static variant is kept for initialization errors only.

1 files changed, 57 insertions, 0 deletions

diff --git a/include/adlmidi.hpp b/include/adlmidi.hpp
new file mode 100644
index 0000000..c589e3b
--- /dev/null
+++ b/include/adlmidi.hpp
@@ -0,0 +1,57 @@
+/*
+ * libADLMIDI is a free MIDI to WAV conversion library with OPL3 emulation
+ *
+ * Original ADLMIDI code: Copyright (c) 2010-2014 Joel Yliluoma <bisqwit@iki.fi>
+ * ADLMIDI Library API:   Copyright (c) 2017 Vitaly Novichkov <admin@wohlnet.ru>
+ *
+ * Library is based on the ADLMIDI, a MIDI player for Linux and Windows with OPL3 emulation:
+ * http://iki.fi/bisqwit/source/adlmidi.html
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ADLMIDI_HPP
+#define ADLMIDI_HPP
+
+#include "adlmidi.h"
+
+#include <stdint.h>
+#include <vector>
+
+class OPL3;
+class MIDIplay;
+
+class AdlInstrumentTester
+{
+    uint32_t cur_gm;
+    uint32_t ins_idx;
+    std::vector<uint32_t> adl_ins_list;
+    OPL3 *opl;
+    MIDIplay * play;
+
+public:
+    AdlInstrumentTester(ADL_MIDIPlayer *device);
+    virtual ~AdlInstrumentTester();
+
+    // Find list of adlib instruments that supposedly implement this GM
+    void FindAdlList();
+    void Touch(unsigned c, unsigned volume);
+    void DoNote(int note);
+    void NextGM(int offset);
+    void NextAdl(int offset);
+    bool HandleInputChar(char ch);
+};
+
+#endif //ADLMIDI_HPP
+