X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Flinux%2Fsndout_oss.c;h=f816c7dcbccb1589341a93a16154935789eab4c3;hb=e708403e9759cc0b2efc616e7783a3930bec01d5;hp=f74e706d57c817bb0f94ab0d416d8b21516c59cc;hpb=b8a1c09ad1ef0b807c2eb1632d34e6bfae14b633;p=picodrive.git

diff --git a/platform/linux/sndout_oss.c b/platform/linux/sndout_oss.c
index f74e706..f816c7d 100644
--- a/platform/linux/sndout_oss.c
+++ b/platform/linux/sndout_oss.c
@@ -25,21 +25,27 @@ int sndout_oss_init(void)
 	return 0;
 }
 
+void sndout_oss_stop(void)
+{
+	if (sounddev < 0)
+		return;
+
+	ioctl(sounddev, SOUND_PCM_SYNC, 0);
+	close(sounddev);
+	sounddev = -1;
+}
+
 int sndout_oss_start(int rate, int frame_samples, int stereo)
 {
 	static int s_oldrate = 0, s_old_fsamples = 0, s_oldstereo = 0;
 	int frag, bsize, bits, ret;
 
-	// if no settings change, we don't need to do anything,
-	// since audio is never stopped
-	if (rate == s_oldrate && s_old_fsamples == frame_samples && s_oldstereo == stereo)
+	// GP2X: if no settings change, we don't need to do anything,
+	// since audio is never stopped there
+	if (sounddev >= 0 && rate == s_oldrate && s_old_fsamples == frame_samples && s_oldstereo == stereo)
 		return 0;
 
-	if (sounddev >= 0) {
-		ioctl(sounddev, SOUND_PCM_SYNC, 0);
-		close(sounddev);
-	}
-
+	sndout_oss_stop();
 	sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);
 	if (sounddev == -1)
 	{
@@ -51,7 +57,7 @@ int sndout_oss_start(int rate, int frame_samples, int stereo)
 		}
 	}
 
-	// calculate buffer size. We one to fit 1 frame worth of sound data.
+	// calculate buffer size. We want to fit 1 frame worth of sound data.
 	// Also ignore mono because both GP2X and Wiz mixes mono to stereo anyway.
 	bsize = frame_samples << 2;
 
@@ -72,8 +78,10 @@ int sndout_oss_start(int rate, int frame_samples, int stereo)
 	if (ret < 0)
 		perror("failed to set audio format");
 
+#ifdef __GP2X__
 	// not sure if this is still needed (avoiding driver bugs?)
 	usleep(192*1024);
+#endif
 
 	printf("sndout_oss_start: %d/%dbit/%s, %d buffers of %i bytes\n",
 		rate, bits, stereo ? "stereo" : "mono", frag >> 16, 1 << (frag & 0xffff));