libeplayer3: the mp3 handler can easily take care of vorbis data, too.

libeplayer3/output/writer/mp3.c

@@ -160,3 +160,17 @@ struct Writer_s WriterAudioMPEGL3 = {
     NULL,
     &caps_mpegl3
 };
+
+static WriterCaps_t caps_vorbis = {
+    "vorbis",
+    eAudio,
+    "A_VORBIS",
+    AUDIO_ENCODING_VORBIS
+};
+
+struct Writer_s WriterAudioVORBIS = {
+    &reset,
+    &writeData,
+    NULL,
+    &caps_vorbis
+};