diff --git a/libavcodec/mp3lameaudio.c b/libavcodec/mp3lameaudio.c
index 0a121eb4b6..c8ee975eed 100644
--- a/libavcodec/mp3lameaudio.c
+++ b/libavcodec/mp3lameaudio.c
@@ -51,6 +51,7 @@ static int MP3lame_encode_init(AVCodecContext *avctx)
 	/* lame 3.91 doesn't work in mono */
 	lame_set_mode(s->gfp, JOINT_STEREO);
 	lame_set_brate(s->gfp, avctx->bit_rate/1000);
+        lame_set_bWriteVbrTag(s->gfp,0);
 	if (lame_init_params(s->gfp) < 0)
 		goto err_close;
 
@@ -71,7 +72,10 @@ int MP3lame_encode_frame(AVCodecContext *avctx,
                      unsigned char *frame, int buf_size, void *data)
 {
 	Mp3AudioContext *s = avctx->priv_data;
-	int num;
+	int num, i;
+//av_log(avctx, AV_LOG_DEBUG, "%X %d %X\n", (int)frame, buf_size, (int)data);
+//        if(data==NULL)
+//            return lame_encode_flush(s->gfp, frame, buf_size);
 
 	/* lame 3.91 dies on '1-channel interleaved' data */
 	if (s->stereo) {
@@ -80,6 +84,11 @@ int MP3lame_encode_frame(AVCodecContext *avctx,
 	} else {
 		num = lame_encode_buffer(s->gfp, data, data, MPA_FRAME_SIZE,
 			frame, buf_size);
+
+/*av_log(avctx, AV_LOG_DEBUG, "in:%d out:%d\n", MPA_FRAME_SIZE, num);
+for(i=0; i<num; i++){
+    av_log(avctx, AV_LOG_DEBUG, "%2X ", frame[i]);
+}*/
 	}
 
 	return num;