changes for Mac OS X

.gitignore

@@ -20,5 +20,8 @@ build
 lib/linux-x86_64
 build-ffmpeg
 
+.DS_Store
+*.user
+
 
 /ffmpeg-audio/.qtcreator

Makefile

@@ -11,9 +11,11 @@ all:
 install: all
 	mkdir -p lib/$(SUBDIR)
 	@echo "copying from src/$(SUBDIR) to lib/$(SUBDIR)"
+	exit
 	(cd src/$(SUBDIR);tar cf - . ) | (cd lib/$(SUBDIR); tar xvf - )
 	FILES=`ls build/*.so build-ffmpeg/*.so` 2>/dev/null; if [ "$$FILES" != "" ]; then cp $$FILES lib/$(SUBDIR); fi
 	FILES=`ls build/*.dll build-ffmpeg/*.dll` 2>/dev/null; if [ "$$FILES" != "" ]; then cp $$FILES lib/$(SUBDIR); fi
+	FILES=`ls build/*.dylib build-ffmpeg/*.dylib` 2>/dev/null; if [ "$$FILES" != "" ]; then cp $$FILES lib/$(SUBDIR); fi
 
 test: install
 	cp lib/linux-x86_64/*.so ~/.local/share/racket/racket-sound-lib/linux-x86_64

ao-play-async/CMakeLists.txt

@@ -18,6 +18,12 @@ if(WIN32)
     target_link_directories(ao-play-async PRIVATE ../lib/windows-x86_64)
 endif()
 
+if(APPLE)
+    set(AO_HOME /opt/homebrew)
+    include_directories(${AO_HOME}/include)
+    target_link_directories(ao-play-async PRIVATE ${AO_HOME}/lib)
+endif()
+
 if(WIN32)
     target_link_libraries(ao-play-async PRIVATE libao-1.2.2 winmm.lib ksuser.lib)
 else()

ao-play-async/ao_playasync.c

@@ -6,42 +6,18 @@
 #define USE_WINDOWS_THREADS
 #define sleep_ms(ms) Sleep(ms)
 #else
+#ifdef __APPLE__
+#define USE_DISPATCH
+#include <time.h>
+#define sleep_ms(ms) msleep(ms)
+#else
 #define USE_PTHREADS
+#include <sched.h>
 #define sleep_ms(ms) usleep(ms * 1000)
 #endif
-
-#ifdef USE_WINDOWS_THREADS
-  #define MUTEX_LOCK(m) WaitForSingleObject(m, INFINITE)
-  #define MUTEX_UNLOCK(m) ReleaseMutex(m)
-  #define SEM_WAIT(sem, ms) (WaitForSingleObject(sem, ms) == WAIT_OBJECT_0)
-  #define SEM_TRYWAIT(sem) (WaitForSingleObject(sem, 0) == WAIT_OBJECT_0)
-  #define SEM_POST(sem) ReleaseSemaphore(sem, 1, NULL)
-  #define YIELD() sleep_ms(5)
 #endif
 
-#ifdef USE_PTHREADS
+#if defined(USE_PTHREADS) || defined(USE_DISPATCH)
-  #include <pthread.h>
-  #include <semaphore.h>
-  #include <sched.h>
-
-  #define TIME_NS_IN_MSEC  1000000ULL
-  static void makeSemTimeoutTime(struct timespec *ts, int ms) {
-      clock_gettime(CLOCK_REALTIME, ts);
-      ts->tv_sec += ms / 1000;
-      ts->tv_nsec += (ms % 1000) * TIME_NS_IN_MSEC;
-      if (ts->tv_nsec >= 1000000000L) {
-          ts->tv_sec++;
-          ts->tv_nsec = ts->tv_nsec - 1000000000L;
-      }
-  }
-
-  static int _SEM_WAIT(sem_t *sem, int ms)
-  {
-    struct timespec ts;
-    makeSemTimeoutTime(&ts, ms);
-    int r = sem_timedwait(sem, &ts);
-    return (r == 0);
-  }
 
   static int msleep(long msec)
   {
@@ -63,6 +39,63 @@
   {
     msleep(5);
   }
+#endif
+
+#ifdef USE_DISPATCH
+  #include <pthread.h>
+  #include <dispatch/dispatch.h>
+  #include <stdint.h>
+
+  static inline dispatch_time_t makeDispatchTimeoutTime(int ms)
+  {
+      return dispatch_time(DISPATCH_TIME_NOW,
+                           (int64_t)ms * NSEC_PER_MSEC);
+  }
+
+  static int _SEM_WAIT(dispatch_semaphore_t sem, int ms)
+  {
+      return dispatch_semaphore_wait(sem, makeDispatchTimeoutTime(ms)) == 0;
+  }
+
+  #define MUTEX_LOCK(m) pthread_mutex_lock(&m)
+  #define MUTEX_UNLOCK(m) pthread_mutex_unlock(&m)
+  #define SEM_WAIT(sem, ms) _SEM_WAIT(sem, ms)
+  #define SEM_TRYWAIT(sem) (dispatch_semaphore_wait(sem, DISPATCH_TIME_NOW) == 0)
+  #define SEM_POST(sem) dispatch_semaphore_signal(sem)
+  #define YIELD() sleep_ms(5)
+#endif
+
+#ifdef USE_WINDOWS_THREADS
+  #define MUTEX_LOCK(m) WaitForSingleObject(m, INFINITE)
+  #define MUTEX_UNLOCK(m) ReleaseMutex(m)
+  #define SEM_WAIT(sem, ms) (WaitForSingleObject(sem, ms) == WAIT_OBJECT_0)
+  #define SEM_TRYWAIT(sem) (WaitForSingleObject(sem, 0) == WAIT_OBJECT_0)
+  #define SEM_POST(sem) ReleaseSemaphore(sem, 1, NULL)
+  #define YIELD() sleep_ms(5)
+#endif
+
+#ifdef USE_PTHREADS
+  #include <pthread.h>
+  #include <semaphore.h>
+
+  #define TIME_NS_IN_MSEC  1000000ULL
+  static void makeSemTimeoutTime(struct timespec *ts, int ms) {
+      clock_gettime(CLOCK_REALTIME, ts);
+      ts->tv_sec += ms / 1000;
+      ts->tv_nsec += (ms % 1000) * TIME_NS_IN_MSEC;
+      if (ts->tv_nsec >= 1000000000L) {
+          ts->tv_sec++;
+          ts->tv_nsec = ts->tv_nsec - 1000000000L;
+      }
+  }
+
+  static int _SEM_WAIT(sem_t *sem, int ms)
+  {
+    struct timespec ts;
+    makeSemTimeoutTime(&ts, ms);
+    int r = sem_timedwait(sem, &ts);
+    return (r == 0);
+  }
 
   #define MUTEX_LOCK(m) pthread_mutex_lock(&m)
   #define MUTEX_UNLOCK(m) pthread_mutex_unlock(&m)
@@ -76,7 +109,9 @@
 #include <unistd.h>
 #endif
 
+#ifndef __APPLE__
 #include <malloc.h>
+#endif
 #include <string.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -124,12 +159,17 @@ typedef struct {
     DWORD           thread_id;
     HANDLE          queue_sem;
 #endif
-#ifdef USE_PTHREADS
+#if defined(USE_PTHREADS) || defined(USE_DISPATCH)
     pthread_mutex_t mutex;
     pthread_mutex_t pause_mutex;
     pthread_mutex_t clear_mutex;
     pthread_t       thread;
+  #ifdef USE_PTHREADS
     sem_t           queue_sem;
+  #endif
+  #ifdef USE_DISPATCH
+    dispatch_semaphore_t queue_sem;
+  #endif
 #endif
     double          at_second;
     double          music_duration;
@@ -279,7 +319,7 @@ static void inline adjustVolume(AO_Handle *handle, char *_buf, int buf_size, int
   }
 }
 
-#ifdef USE_PTHREADS
+#if defined(USE_PTHREADS) || defined(USE_DISPATCH)
 static void *run(void *arg)
 #endif
 #ifdef USE_WINDOWS_THREADS
@@ -317,7 +357,7 @@ static DWORD run(LPVOID arg)
         }
     }
 
-#ifdef USE_PTHREADS
+#if defined(USE_PTHREADS) || defined(USE_DISPATCH)
     return NULL;
 #endif
 #ifdef USE_WINDOWS_THREADS
@@ -514,17 +554,23 @@ void *ao_create_async(int bits, int rate, int channels, int byte_format, const c
 
     handle->paused = (1 == 0);
 
-#ifdef USE_PTHREADS
+#if defined(USE_PTHREADS) || defined(USE_DISPATCH)
     pthread_mutex_t p = PTHREAD_MUTEX_INITIALIZER;
     handle->pause_mutex = p;
     pthread_mutex_t c = PTHREAD_MUTEX_INITIALIZER;
     handle->clear_mutex = c;
     pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
     handle->mutex = m;
+#ifdef USE_PTHREADS
     sem_init(&handle->queue_sem, 0, 0);
+#endif
+#ifdef USE_DISPATCH
+    handle->queue_sem = dispatch_semaphore_create(0);
+#endif
     pthread_create(&handle->thread, NULL, run, handle);
 #endif
 
+
 #ifdef USE_WINDOWS_THREADS
     handle->mutex = CreateMutex(NULL,              // default security attributes
                                 FALSE,             // initially not owned
@@ -562,10 +608,19 @@ void ao_stop_async(void *ao_handle)
 
     fprintf(stderr, "stop command queued\n");
 
-#ifdef USE_PTHREADS
+#if defined(USE_PTHREADS) || defined(USE_DISPATCH)
     void *retval;
     pthread_join(h->thread, &retval);
+
+  #ifdef USE_PTHREADS
+    sem_destroy(&h->queue_sem);
   #endif
+
+    pthread_mutex_destroy(&h->pause_mutex);
+    pthread_mutex_destroy(&h->clear_mutex);
+    pthread_mutex_destroy(&h->mutex);
+#endif
+
 #ifdef USE_WINDOWS_THREADS
     WaitForSingleObject(h->thread, INFINITE);
     CloseHandle(h->thread);
@@ -708,3 +763,5 @@ int ao_real_output_bits_async(void *handle)
     AO_Handle *h = (AO_Handle *) handle;
     return h->dev_bits_per_sample;
 }
+
+

ffmpeg-audio/CMakeLists.txt

@@ -22,6 +22,11 @@ if(WIN32)
     target_link_directories(ffmpeg_audio PRIVATE ${FFMPEG_LIB})
     set(FFMPEG_LIBRARIES avcodec.lib avformat.lib swresample.lib avutil.lib avdevice.lib avfilter.lib swscale.lib)
     target_link_directories(demo_ffmpeg_audio PRIVATE ${FFMPEG_LIB})
+elseif(APPLE)
+    target_link_directories(ffmpeg_audio PRIVATE /opt/homebrew/opt/ffmpeg-full/lib)
+    include_directories(/opt/homebrew/opt/ffmpeg-full/include)
+    set(FFMPEG_LIBRARIES avcodec avformat swresample avutil avdevice avfilter swscale)
+    target_link_directories(demo_ffmpeg_audio PRIVATE /opt/homebrew/opt/ffmpeg-full/lib)
 else()
     set(FFMPEG_LIBRARIES avcodec avformat swresample avutil avdevice avfilter swscale)
 endif()

lib/Building Win32.txt

@@ -0,0 +1,17 @@
+Building for Win32.
+
+Extract the taglib sources.
+
+Add this in CMakeLists.txt:
+
+set(ZLIB_LIBRARY "c:/devel/libraries/nwin64/lib/zlib.lib")
+set(ZLIB_INCLUDE_DIR "c:/devel/libraries/nwin64/include")
+set(BUILD_TESTING OFF)
+set(BUILD_SHARED_LIBS ON)
+
+Or any place you have zlib.lib stored.
+
+Copy the shared libraries to ../lib/windows_<arch>/
+
+
+

lib/Makefile

@@ -0,0 +1,15 @@
+
+TAGLIB=taglib-2.2.1
+
+all:
+	tar xf ${TAGLIB}.tar.gz
+	SUBDIR=`racket -e "(display (format \"~a-~a\" (system-type 'os*) (system-type 'arch)))"`; \
+	(cd ${TAGLIB};  cmake -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX=../lib/$$SUBDIR -DCMAKE_BUILD_TYPE=Release .)
+	(cd ${TAGLIB}; make)
+	(cd ${TAGLIB}; make install)
+	SUBDIR=`racket -e "(display (format \"~a-~a\" (system-type 'os*) (system-type 'arch)))"`; \
+	(cd lib/$$SUBDIR/lib; tar cf - *so *.so.*) | (cd ../lib/$$SUBDIR; tar xvf - )
+
+clean:
+	rm -rf ${TAGLIB}
+	rm -rf lib