rnd-20001129-2-src

[rocksndiamonds.git] / src / sound.c

diff --git a/src/sound.c b/src/sound.c
index 628dc047c11c66d9c9eecada841222e335873f01..9d49c7dcac1982084a9f508f5d833b5bea36c4c3 100644 (file)
--- a/src/sound.c
+++ b/src/sound.c
@@ -55,10 +55,14 @@ static void SoundServer_StopAllSounds();
 #endif
 
 #if defined(PLATFORM_UNIX)
-int OpenAudio(char *audio_device_name)
+int OpenAudioDevice(char *audio_device_name)
 {
   int audio_fd;
 
+  /* check if desired audio device is accessible */
+  if (access(sound_device_name, W_OK) != 0)
+    return -1;
+
   /* try to open audio device in non-blocking mode */
   if ((audio_fd = open(audio_device_name, O_WRONLY | O_NONBLOCK)) < 0)
     return audio_fd;
@@ -70,36 +74,42 @@ int OpenAudio(char *audio_device_name)
   return audio_fd;
 }
 
-int CheckAudio(char *audio_device_name)
+void UnixOpenAudio(struct AudioSystemInfo *audio)
 {
+  static char *audio_device_name[] =
+  {
+    DEV_DSP,
+    DEV_AUDIO
+  };
   int audio_fd;
+  int i;
 
-  if (access(audio_device_name, W_OK) != 0)
-  {
-    Error(ERR_WARN, "cannot access audio device - no sound");
-    return SOUND_OFF;
-  }
+  /* look for available audio devices, starting with preferred ones */
+  for (i=0; i<sizeof(audio_device_name)/sizeof(char *); i++)
+    if ((audio_fd = OpenAudioDevice(sound_device_name)) >= 0)
+      break;
 
-  if ((audio_fd = OpenAudio(sound_device_name)) < 0)
+  if (audio_fd < 0)
   {
     Error(ERR_WARN, "cannot open audio device - no sound");
-    return SOUND_OFF;
+    return;
   }
 
   close(audio_fd);
 
-  return SOUND_AVAILABLE;
-}
-
-void UnixInitAudio(struct AudioSystemInfo *audio)
-{
-  if (!(audio->sound_available = CheckAudio(sound_device_name)))
-    return;
+  audio->sound_available = TRUE;
 
 #ifdef VOXWARE
   audio->loops_available = TRUE;
 #endif
 }
+
+void UnixCloseAudio(struct AudioSystemInfo *audio)
+{
+  if (audio->device_fd)
+    close(audio->device_fd);
+}
+
 #endif /* PLATFORM_UNIX */
 
 void SoundServer()
@@ -194,7 +204,7 @@ void SoundServer()
 #endif
 
       if (playing_sounds ||
-         (audio.device_fd = OpenAudio(sound_device_name)) >= 0)
+         (audio.device_fd = OpenAudioDevice(sound_device_name)) >= 0)
       {
        if (!playing_sounds)    /* we just opened the audio device */
        {
@@ -357,7 +367,7 @@ void SoundServer()
       int wait_percent = 90;   /* wait 90% of the real playing time */
       int i;
 
-      if ((audio.device_fd = OpenAudio(sound_device_name)) >= 0)
+      if ((audio.device_fd = OpenAudioDevice(sound_device_name)) >= 0)
       {
        playing_sounds = 1;