more reliable format retrieval

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6265 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-01-25 06:02:45 +00:00
parent 48a06864d0
commit 38e18d350e
1 changed files with 9 additions and 1 deletions
@@ -240,8 +240,16 @@ mp3Reader::AllocateCookie(int32 streamNumber, void **cookie)
 	media_format_description description;
 	description.family = B_MPEG_FORMAT_FAMILY;
 	description.u.mpeg.id = b_mpeg_id_table[mpeg_version_index][layer_index];
+
 	BMediaFormats formats;
-	formats.GetFormatFor(description, &data->format);
+	status_t result = formats.InitCheck();
+	if (result != B_OK) {
+		return result;
+	}
+	result = formats.GetFormatFor(description, &data->format);
+	if (result != B_OK) {
+		return result;
+	}

 	data->format.u.encoded_audio.bit_rate = bit_rate;
 	data->format.u.encoded_audio.frame_size = frame_size;