From b2890608189a69695a5119e1be771b89278dce9b Mon Sep 17 00:00:00 2001
From: Wohlstand <admin@wohlnet.ru>
Date: Mon, 16 Jan 2017 08:24:19 +0300
Subject: Split adlmidi.cpp now keeps API functions only other code has been
 moved into separated files

---
 src/adlmidi_private.cpp | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 src/adlmidi_private.cpp

(limited to 'src/adlmidi_private.cpp')

diff --git a/src/adlmidi_private.cpp b/src/adlmidi_private.cpp
new file mode 100644
index 0000000..0c18958
--- /dev/null
+++ b/src/adlmidi_private.cpp
@@ -0,0 +1,59 @@
+/*
+ * 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/>.
+ */
+
+#include "adlmidi_private.hpp"
+
+std::string ADLMIDI_ErrorString;
+
+int adlRefreshNumCards(ADL_MIDIPlayer *device)
+{
+    unsigned n_fourop[2] = {0, 0}, n_total[2] = {0, 0};
+
+    for(unsigned a = 0; a < 256; ++a)
+    {
+        unsigned insno = banks[device->AdlBank][a];
+
+        if(insno == 198) continue;
+
+        ++n_total[a / 128];
+
+        if(adlins[insno].adlno1 != adlins[insno].adlno2)
+            ++n_fourop[a / 128];
+    }
+
+    device->NumFourOps =
+        (n_fourop[0] >= n_total[0] * 7 / 8) ? device->NumCards * 6
+        : (n_fourop[0] < n_total[0] * 1 / 8) ? 0
+        : (device->NumCards == 1 ? 1 : device->NumCards * 4);
+    reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.NumFourOps = device->NumFourOps;
+
+    if(n_fourop[0] >= n_total[0] * 15 / 16 && device->NumFourOps == 0)
+    {
+        ADLMIDI_ErrorString = "ERROR: You have selected a bank that consists almost exclusively of four-op patches.\n"
+                              "       The results (silence + much cpu load) would be probably\n"
+                              "       not what you want, therefore ignoring the request.\n";
+        return -1;
+    }
+
+    return 0;
+}
-- 
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