Index: src/file-manager/fm-icon-view.c
===================================================================
--- src/file-manager/fm-icon-view.c	(revision 13313)
+++ src/file-manager/fm-icon-view.c	(working copy)
@@ -24,6 +24,7 @@
 
 #include <config.h>
 #include "fm-icon-view.h"
+#include "nautilus-audio-mime-types.h"
 
 #include "fm-actions.h"
 #include "fm-icon-container.h"
@@ -1747,6 +1748,28 @@
 
 /* handle the preview signal by inspecting the mime type.  For now, we only preview local sound files. */
 
+#if USE_OLD_AUDIO_PREVIEW
+static char *
+get_preview_command (void)
+{
+	char *command;
+
+	command = g_find_program_in_path ("totem-audio-preview");
+	if (command)
+		return command;
+	command = g_find_program_in_path ("gst-launch-0.10");
+	if (command) {
+		char *new_cmd;
+
+		new_cmd = g_strdup_printf ("%s playbin uri=fd://0", command);
+		g_free (command);
+		return new_cmd;
+	}
+
+	return NULL;
+}
+#endif /* USE_OLD_AUDIO_PREVIEW */
+
 /* here's the timer task that actually plays the file using mpg123, ogg123 or play. */
 /* FIXME bugzilla.gnome.org 41258: we should get the application from our mime-type stuff */
 static gboolean
@@ -1757,50 +1780,27 @@
 	FMIconView *icon_view;
 	FILE *sound_process;
 	char *file_uri;
-	char *suffix;
-	char *mime_type;
-	const char *command_str;
-	gboolean is_mp3;
-	gboolean is_ogg;
+	char *command_str;
 	pid_t mp3_pid;
 	
 	GnomeVFSResult result;
 	GnomeVFSHandle *handle;
 	char *buffer;
-	const char *audio_device = NULL;
 	GnomeVFSFileSize bytes_read;
 
-	audio_device = g_getenv ("AUDIODEV");
 	icon_view = FM_ICON_VIEW (callback_data);
+
+	command_str = get_preview_command ();
+	if (command_str == NULL)
+		return FALSE;
 	
 	file = icon_view->details->audio_preview_file;
 	file_uri = nautilus_file_get_uri (file);
-	mime_type = nautilus_file_get_mime_type (file);
-	is_mp3 = eel_strcasecmp (mime_type, "audio/mpeg") == 0;
-	is_ogg = eel_strcasecmp (mime_type, "application/ogg") == 0 ||
-                eel_strcasecmp (mime_type, "application/x-ogg") == 0;
 	
 	mp3_pid = fork ();
 	if (mp3_pid == (pid_t) 0) {
 		/* Set the group (session) id to this process for future killing. */
 		setsid();
-		if (is_mp3) {
-			command_str = "mpg123 -y -q -";
-		} else if (is_ogg) {
-			command_str = "ogg123 -q -";
-		} else {
-			suffix = strrchr(file_uri, '.');
-			if (suffix == NULL) {
-				suffix = "wav";
-			} else {
-				suffix += 1; /* skip the period */
-			}
-			if (audio_device) {
-				command_str = g_strdup_printf("play -d %s -t %s -", audio_device, suffix);
-			} else {
-				command_str = g_strdup_printf("play -t %s -", suffix);
-			}
-		}
 
 		/* read the file with gnome-vfs, feeding it to the sound player's standard input */
 		/* First, open the file. */
@@ -1851,7 +1851,7 @@
 	}
 		
 	g_free (file_uri);
-	g_free (mime_type);
+	g_free (command_str);
 
 	icon_view->details->audio_preview_timeout = 0;
 #else
@@ -1923,6 +1923,25 @@
 }
 
 static gboolean
+sound_preview_type_supported (NautilusFile *file)
+{
+	char *mime_type;
+	guint i;
+
+	mime_type = nautilus_file_get_mime_type (file);
+	if (mime_type == NULL)
+		return FALSE;
+	for (i = 0; i < G_N_ELEMENTS (audio_mime_types); i++) {
+		if (strcmp (mime_type, audio_mime_types[i]) == 0) {
+			g_free (mime_type);
+			return TRUE;
+		}
+	}
+
+	return FALSE;
+}
+
+static gboolean
 should_preview_sound (NautilusFile *file)
 {
 	char *uri;
@@ -1981,25 +2000,17 @@
 				 FMIconView *icon_view)
 {
 	int result;
-	char *mime_type, *file_name, *message;
+	char *file_name, *message;
 		
 	result = 0;
 	
 	/* preview files based on the mime_type. */
 	/* at first, we just handle sounds */
 	if (should_preview_sound (file)) {
-		mime_type = nautilus_file_get_mime_type (file);
-
-		if ((eel_istr_has_prefix (mime_type, "audio/")
-		     || eel_istr_has_prefix (mime_type, "application/ogg")
-		     || eel_istr_has_prefix (mime_type, "application/x-ogg"))
-		    && eel_strcasecmp (mime_type, "audio/x-pn-realaudio") != 0
-		    && eel_strcasecmp (mime_type, "audio/x-mpegurl") != 0
-		    && can_play_sound ()) {
+		if (sound_preview_type_supported (file) && can_play_sound ()) {
 			result = 1;
 			preview_audio (icon_view, file, start_flag);
 		}	
-		g_free (mime_type);
 	}
 	
 	/* Display file name in status area at low zoom levels, since
Index: src/file-manager/nautilus-audio-mime-types.h
===================================================================
--- src/file-manager/nautilus-audio-mime-types.h	(revision 0)
+++ src/file-manager/nautilus-audio-mime-types.h	(revision 0)
@@ -0,0 +1,41 @@
+/* generated with mime-types-include.sh in the totem module, don't edit or 
+   commit in the nautilus module without filing a bug against totem */
+static char *audio_mime_types[] = {
+"audio/3gpp",
+"audio/ac3",
+"audio/AMR",
+"audio/AMR-WB",
+"audio/basic",
+"audio/mp4",
+"audio/mpeg",
+"audio/mpegurl",
+"audio/ogg",
+"audio/vnd.rn-realaudio",
+"audio/x-ape",
+"audio/x-flac",
+"audio/x-it",
+"audio/x-m4a",
+"audio/x-matroska",
+"audio/x-mod",
+"audio/x-mp3",
+"audio/x-mpeg",
+"audio/x-mpegurl",
+"audio/x-ms-asf",
+"audio/x-ms-asx",
+"audio/x-ms-wax",
+"audio/x-ms-wma",
+"audio/x-musepack",
+"audio/x-pn-aiff",
+"audio/x-pn-au",
+"audio/x-pn-wav",
+"audio/x-pn-windows-acm",
+"audio/x-realaudio",
+"audio/x-real-audio",
+"audio/x-sbc",
+"audio/x-scpls",
+"audio/x-tta",
+"audio/x-wav",
+"audio/x-wav",
+"audio/x-wavpack",
+"audio/x-vorbis",
+};
Index: src/file-manager/Makefile.am
===================================================================
--- src/file-manager/Makefile.am	(revision 13313)
+++ src/file-manager/Makefile.am	(working copy)
@@ -38,6 +38,7 @@
 	fm-tree-model.h			\
 	fm-tree-view.c			\
 	fm-tree-view.h			\
+	nautilus-audio-mime-types.h	\
 	$(NULL)
 
 EMPTY_VIEW_SOURCES = \
