Alter underrun recovery to not toss buffers after successful resume.

git-svn-id: http://svn.xiph.org/trunk/ao@16819 0101bb08-14d6-0310-b084-bc0e0c8e3800

src/audio_out.c

@@ -123,12 +123,12 @@ static driver_list *_get_plugin(char *plugin_file)
 	handle = dlopen(plugin_file, DLOPEN_FLAG /* See ao_private.h */);
 
 	if (handle) {
-		dt = (driver_list *)malloc(sizeof(driver_list));
+                dt = (driver_list *)calloc(1,sizeof(driver_list));
 		if (!dt) return NULL;
 
 		dt->handle = handle;
 
-		dt->functions = (ao_functions *)malloc(sizeof(ao_functions));
+		dt->functions = (ao_functions *)calloc(1,sizeof(ao_functions));
 		if (!(dt->functions)) {
 			free(dt);
 			return NULL;
@@ -218,7 +218,7 @@ static driver_list* _load_static_drivers(driver_list **end)
 	int i;
 
 	/* insert first driver */
-	head = driver = malloc(sizeof(driver_list));
+	head = driver = calloc(1,sizeof(driver_list));
 	if (driver != NULL) {
 		driver->functions = static_drivers[0];
 		driver->handle = NULL;
@@ -226,7 +226,7 @@ static driver_list* _load_static_drivers(driver_list **end)
 
 		i = 1;
 		while (static_drivers[i] != NULL) {
-			driver->next = malloc(sizeof(driver_list));
+                  driver->next = calloc(1,sizeof(driver_list));
 			if (driver->next == NULL)
 				break;
 
@@ -918,7 +918,7 @@ int ao_append_option(ao_option **options, const char *key, const char *value)
 {
 	ao_option *op, *list;
 
-	op = malloc(sizeof(ao_option));
+	op = calloc(1,sizeof(ao_option));
 	if (op == NULL) return 0;
 
 	op->key = strdup(key);

src/plugins/alsa09/ao_alsa09.c

@@ -447,7 +447,7 @@ static inline int alsa_error_recovery(ao_alsa_internal *internal, int err)
 {
 	if (err == -EPIPE) {
 		/* FIXME: underrun length detection */
-		fprintf(stderr,"ALSA: underrun, at least %dms.\n", 0);
+		//fprintf(stderr,"ALSA: underrun, at least %dms.\n", 0);
 		/* output buffer underrun */
 		internal->cmd = "underrun recovery: snd_pcm_prepare";
 		err = snd_pcm_prepare(internal->pcm_handle);
@@ -500,10 +500,8 @@ int ao_plugin_play(ao_device *device, const char *output_samples,
 				fprintf(stderr,"ALSA write error: %s\n",
 						snd_strerror(err));
 				return 0;
-			}
-
-			/* abandon the rest of the buffer */
-			break;
+			}else /* recovered, continue */
+                          continue;
 		}
 
 		/* decrement the sample counter */