Add OpenMPT support

addons/acodec/CMakeLists.txt

@@ -7,7 +7,8 @@ endif()
 option(WANT_VORBIS "Enable Ogg Vorbis support using libvorbis" on)
 option(WANT_TREMOR "Enable Ogg Vorbis support using Tremor" off)
 option(WANT_OPUS "Enable Opus support using libopus" on)
-option(WANT_MODAUDIO "Enable MOD Audio support" on)
+option(WANT_DUMB "Enable mod audio support using DUMB" on)
+option(WANT_OPENMPT "Enable mod audio support using OpenMPT" on)
 option(WANT_ACODEC_DYNAMIC_LOAD "Enable DLL loading in acodec (Windows)" off)
 option(WANT_MP3 "Enable MP3 support" on)
 
@@ -150,7 +151,7 @@ acodec_summary(" - FLAC" SUPPORT_FLAC)
 # MOD audio
 #
 
-if(WANT_MODAUDIO)
+if(WANT_DUMB)
     find_package(DUMB)
     if(DUMB_FOUND)
         set(CMAKE_REQUIRED_INCLUDES ${DUMB_INCLUDE_DIR})
@@ -170,21 +171,21 @@ if(WANT_MODAUDIO)
         set(CMAKE_REQUIRED_INCLUDES)
         set(CMAKE_REQUIRED_LIBRARIES)
         if(DUMB_COMPILES)
-            set(SUPPORT_MODAUDIO 1)
+            set(SUPPORT_DUMB 1)
         endif(DUMB_COMPILES)
     endif(DUMB_FOUND)
-    if(NOT SUPPORT_MODAUDIO)
+    if(NOT SUPPORT_DUMB)
         message("WARNING: libdumb >= 2.0 or <= 0.9.3 not found or compile "
                 "test failed, disabling support. See "
                 "<https://github.com/kode54/dumb> for 2.0 or "
                 "<http://dumb.sourceforge.net/> for 0.9.3.")
-    endif(NOT SUPPORT_MODAUDIO)
-endif(WANT_MODAUDIO)
+    endif(NOT SUPPORT_DUMB)
+endif(WANT_DUMB)
 
-if(SUPPORT_MODAUDIO)
+if(SUPPORT_DUMB)
     include_directories(SYSTEM ${DUMB_INCLUDE_DIR})
-    set(ALLEGRO_CFG_ACODEC_MODAUDIO 1)
-    list(APPEND ACODEC_SOURCES modaudio.c)
+    set(ALLEGRO_CFG_ACODEC_DUMB 1)
+    list(APPEND ACODEC_SOURCES dumb.c)
 
     list(APPEND ACODEC_INCLUDE_DIRECTORIES ${DUMB_INCLUDE_DIR})
 
@@ -202,7 +203,43 @@ if(SUPPORT_MODAUDIO)
     endif()
 endif()
 
-acodec_summary(" - DUMB" SUPPORT_MODAUDIO)
+acodec_summary(" - DUMB" SUPPORT_DUMB)
+
+if(WANT_OPENMPT)
+    find_package(OpenMPT)
+    if(OPENMPT_FOUND)
+        set(CMAKE_REQUIRED_INCLUDES ${OPENMPT_INCLUDE_DIR})
+        set(CMAKE_REQUIRED_LIBRARIES ${OPENMPT_LIBRARIES})
+        run_c_compile_test("
+        #include <libopenmpt/libopenmpt.h>
+            #include <libopenmpt/libopenmpt_stream_callbacks_file.h>
+            int main(void)
+            {
+                openmpt_stream_get_file_callbacks();
+                return 0;
+            }"
+            OPENMPT_COMPILES)
+        set(CMAKE_REQUIRED_INCLUDES)
+        set(CMAKE_REQUIRED_LIBRARIES)
+        if(OPENMPT_COMPILES)
+            set(SUPPORT_OPENMPT 1)
+        endif()
+    endif()
+endif()
+
+if(SUPPORT_OPENMPT)
+    include_directories(SYSTEM ${OPENMPT_INCLUDE_DIR})
+    set(ALLEGRO_CFG_ACODEC_OPENMPT 1)
+    list(APPEND ACODEC_SOURCES openmpt.c)
+    list(APPEND ACODEC_INCLUDE_DIRECTORIES ${OPENMPT_INCLUDE_DIR})
+    list(APPEND ACODEC_LIBRARIES ${OPENMPT_LIBRARIES})
+endif()
+
+acodec_summary(" - OpenMPT" SUPPORT_OPENMPT)
+
+if(SUPPORT_OPENMPT OR SUPPORT_DUMB)
+    list(APPEND ACODEC_SOURCES modaudio.c)
+endif(SUPPORT_OPENMPT OR SUPPORT_DUMB)
 
 #
 # Vorbis/Tremor

addons/acodec/acodec.c

@@ -59,10 +59,14 @@ bool al_init_acodec_addon(void)
    ret &= al_register_sample_identifier(".opus", _al_identify_ogg_opus);
 #endif
 
-#ifdef ALLEGRO_CFG_ACODEC_MODAUDIO
+#ifdef ALLEGRO_CFG_ACODEC_DUMB
    ret &= _al_register_dumb_loaders();
 #endif
 
+#ifdef ALLEGRO_CFG_ACODEC_OPENMPT
+   ret &= _al_register_openmpt_loaders();
+#endif
+
    /* MP3 will mis-identify a lot of mod files, so put its identifier last */
 #ifdef ALLEGRO_CFG_ACODEC_MP3
    ret &= al_register_sample_loader(".mp3", _al_load_mp3);

addons/acodec/acodec.h

@@ -33,10 +33,30 @@ ALLEGRO_AUDIO_STREAM *_al_load_flac_audio_stream_f(ALLEGRO_FILE* f,
 bool _al_identify_flac(ALLEGRO_FILE *f);
 #endif
 
-#ifdef ALLEGRO_CFG_ACODEC_MODAUDIO
+#ifdef ALLEGRO_CFG_ACODEC_DUMB
 bool _al_register_dumb_loaders(void);
 #endif
 
+#ifdef ALLEGRO_CFG_ACODEC_OPENMPT
+bool _al_register_openmpt_loaders(void);
+#endif
+
+#if defined(ALLEGRO_CFG_ACODEC_DUMB) || defined(ALLEGRO_CFG_ACODEC_OPENMPT)
+bool _al_identify_it(ALLEGRO_FILE *f);
+bool _al_identify_669(ALLEGRO_FILE *f);
+bool _al_identify_amf(ALLEGRO_FILE *f);
+bool _al_identify_asy(ALLEGRO_FILE *f);
+bool _al_identify_mtm(ALLEGRO_FILE *f);
+bool _al_identify_okt(ALLEGRO_FILE *f);
+bool _al_identify_psm(ALLEGRO_FILE *f);
+bool _al_identify_ptm(ALLEGRO_FILE *f);
+bool _al_identify_riff(ALLEGRO_FILE *f);
+bool _al_identify_stm(ALLEGRO_FILE *f);
+bool _al_identify_mod(ALLEGRO_FILE *f);
+bool _al_identify_s3m(ALLEGRO_FILE *f);
+bool _al_identify_xm(ALLEGRO_FILE *f);
+#endif
+
 #ifdef ALLEGRO_CFG_ACODEC_VORBIS
 ALLEGRO_SAMPLE *_al_load_ogg_vorbis(const char *filename);
 ALLEGRO_SAMPLE *_al_load_ogg_vorbis_f(ALLEGRO_FILE *file);

addons/acodec/allegro5/internal/aintern_acodec_cfg.h.cmake

@@ -1,5 +1,6 @@
 #cmakedefine ALLEGRO_CFG_ACODEC_FLAC
-#cmakedefine ALLEGRO_CFG_ACODEC_MODAUDIO
+#cmakedefine ALLEGRO_CFG_ACODEC_DUMB
+#cmakedefine ALLEGRO_CFG_ACODEC_OPENMPT
 #cmakedefine ALLEGRO_CFG_ACODEC_VORBIS
 #cmakedefine ALLEGRO_CFG_ACODEC_TREMOR
 #cmakedefine ALLEGRO_CFG_ACODEC_OPUS