Add barely working sound for Solaris (screams like hell)

src/Backends/Audio/SoftwareMixer/Solaris.cpp

@@ -24,39 +24,58 @@ static void (*parent_callback)(long *stream, size_t frames_total);
 static bool audioDone = false;
 
 static void* soundcheckthread(void*) {
+    printf("Entered sound thread.\n");
+    //sndfp = open("/dev/audio", 0, O_WRONLY);
+    FILE* sndfile = fopen("/dev/audio", "wb");
+    audioDone = true;
     unsigned long for_as_long_as_it_seems_we_should = 0;
     uint16_t out[0x400 * 2];
+    bool firstTime = true;
+    int oldeof;
     while(1) {
+        //printf("Starting audio thread loop\n");
         bool ready = false;
         audio_info_t audioInfo;
-        ioctl(sndfp, AUDIO_GETINFO, &audioInfo);
-        int oldeof = audioInfo.play.eof;
 
+        //printf("eepy\n");
         usleep(for_as_long_as_it_seems_we_should);
-
+        //printf("i live again\n");
-        while(ready == false) {
+/*
+        while(ready == false && firstTime == false) {
             ioctl(sndfp, AUDIO_GETINFO, &audioInfo);
             if(audioInfo.play.eof > oldeof) {
                 ready = true;
             }
         }
-
+*/
         long mix[0x400 * 2];
-        memset(mix, 0, 0x400 * 2);
+        memset(mix, 0, 0x400 * 2 * 4);
-
+        //printf("Cleared mix buffer\n");
         // park the main thread since the game probably expects it to not be
         // doing anything else while we're requesting audio frames.
         audioDone = false;
-        pthread_kill(mainThread, parkSignal);
+        //pthread_kill(mainThread, parkSignal);
+        //printf("Unparked thread\n");
 
-        parent_callback(mix, 0x400 * 2);
+        parent_callback(mix, 0x400);
 
         // unpark the main thread now that we're not using game state anymore
         audioDone = true;
+        //printf("Audio done\n");
 
-        write(sndfp, mix, 0x400 * 2);
+        for(int i = 0; i < 0x400 * 2; i++) {
+            if(i % 2 == 0) {
+                fputc((mix[i] >> 8) & 0xFF, sndfile);
+            }
+        }
+        //write(sndfp, mix, 0x400 * 2);
+        //write(sndfp, NULL, 0);
 
-        for_as_long_as_it_seems_we_should = (0x400 / 48000) * 1000000;
+        ioctl(sndfp, AUDIO_GETINFO, &audioInfo);
+        oldeof = audioInfo.play.eof;
+
+        for_as_long_as_it_seems_we_should = ((float)0x400 / (float)8000) * 1000000;
+        firstTime = false;
     }
 }
 
@@ -65,6 +84,7 @@ static void threadPark(int signo) {
 }
 
 unsigned long SoftwareMixerBackend_Init(void (*callback)(long *stream, size_t frames_total)) {
+    parent_callback = callback;
     sndfp = open("/dev/audio", 0, O_WRONLY);
 
     if(sndfp == -1) {
@@ -81,9 +101,11 @@ unsigned long SoftwareMixerBackend_Init(void (*callback)(long *stream, size_t fr
     info.precision = 8;
     info.encoding = AUDIO_ENCODING_LINEAR;
     info.port = AUDIO_SPEAKER;
+    info.gain = 32;
 
     audioInfo.play = info;
     ioctl(sndfp, AUDIO_SETINFO, &audioInfo);
+    close(sndfp);
 
     if(signal(parkSignal, threadPark) == SIG_ERR) {
         Backend_PrintError("Failed to register thread park signal handler for audio system.\n");

src/Draw.cpp

@@ -73,7 +73,7 @@ BOOL Flip_SystemTask(void)
 
 		// Framerate limiter
 		timeNow = Backend_GetTicks();
-
+		//break;
 		if (timeNow >= timePrev + 20)
 			break;