MIDI support added

.gitignore

@@ -35,3 +35,4 @@
 /build/CMakeCache.txt
 /build/Makefile
 /build/cmake_install.cmake
+*.txt.user

CMakeLists.txt

@@ -62,5 +62,14 @@ endif (UNIX)
 target_link_libraries(${PROJECT_NAME}
     physfs
     openal
+	fluidsynth
+	FLAC
+	sndfile
+	modplug
+	mpg123
+	ogg
+	vorbis
+	vorbisfile
+	vorbisenc
     ${ALURE_LIB}
     )

README.md

@@ -12,24 +12,42 @@ PhysicsFS is a library to provide abstract access to various archives. The progr
 Link : <https://icculus.org/physfs/>
 
 ### Small info
+Supported formats|
+------------- |
+WAV |
+OGG |
+FLAC|
+MP3 |
+XM, MPTM, IT, S3M |
+MIDI |
+
+> You can use another SoundFont to change the MIDI sound. 
+> To do this, replace the file sound_font.fs2 (there are several versions in the "build" folder).
+
 dependencies  |
 ------------- |
 libalure |
 libphysfs |
 libopenal |
+libfluidsynth |
+libFLAC |
+libsndfile |
+libmodplug |
+libmpg123 |
+libogg |
+libvorbis |
+libvorbisfile |
+libvorbisenc |
 
 I used MSYS2 with mingw-w64 7.3 and cmake for create libraries in Windows.
 
 For Ubuntu/Debian Linux:
 
-`$ sudo apt install libalure1 libalure-dev libphysfs1 libphysfs-dev libopenal1 libopenal-dev`
-
-`$ git clone https://github.com/vuvk/audio_system`
-
-`$ cd audio_system/build`
-
-`$ cmake ..`
-
-`$ make`
-
-`$ ./audio_system music.it`
+```sh
+$ sudo apt install libalure1 libalure-dev libphysfs1 libphysfs-dev libopenal1 libopenal-dev libfluidsynth1 libsndfile1 libmodplug1 libmpg123-0 libogg0 libvorbis0a libvorbisfile3 libvorbisenc2 libflac8
+$ git clone https://github.com/vuvk/audio_system
+$ cd audio_system/build
+$ cmake ..
+$ make
+$ ./audio_system music.mid
+```

build/COPYRIGHT

@@ -0,0 +1,12 @@
+SoundFonts used from:
+
+sound_font_nes.sf2 = 8BitSF.sf2
+8BitSF (Formerly The NES Soundfont). THE EIGHTH BIT (https://www.youtube.com/channel/UC3BDp-ftswrCsglxkOk9pVw).
+
+sound_font.fs2 = TimGM6mb.sf2
+License: GNU General Public License, version 2
+Courtesy of Tim Brechbill (http://timbrechbill.com)
+
+sound_font_piano.sf2 = ElPiano1.sf2
+Unlicense? Free
+NTONYX (http://ntonyx.com/sf_f.htm)

build/test_mid.bat

@@ -0,0 +1,3 @@
+#!/bin/bash
+audio_system music.mid
+pause

include/audio_source.h

@@ -9,6 +9,7 @@
 #define STREAM_BUFFER_SIZE 65535    // size of chunk in bytes
 #define BUFFERS_NUM 16              // count of chunks
 //#define STREAM_LENGTH_MS 250000   // size of chunk in msec
+#define SOUND_FONT_NAME "sound_font.sf2"    // name of soundfont (*.sf2) for playing MIDI
 
 class AudioSource
 {

src/audio_source.cpp

@@ -48,6 +48,18 @@ void AudioSource::setBuffer(AudioBuffer* buffer)
     if (buffer->isStreamed())
     {
         m_stream = alureCreateStreamFromFile(buffer->getFileName().c_str(), STREAM_BUFFER_SIZE, BUFFERS_NUM, m_streamBuffer);
+        if (!m_stream)
+        {
+            std::cout << "Could not create a stream!" << std::endl;
+            std::cout << "Error: " << alureGetErrorString() << std::endl;
+        }
+
+        // patchset for playing midi
+        if (!alureSetStreamPatchset(m_stream, SOUND_FONT_NAME))
+        {
+            std::cout << "Could not load sound font '" << SOUND_FONT_NAME << "'!" << std::endl;
+            std::cout << "Error: " << alureGetErrorString() << std::endl;
+        }
     }
     else
     {