func: int MP3lame_encode_frame(AVCodecContext *avctx,
  
                       unsigned char *frame, int buf_size, void *data)
  
  {
  
  	Mp3AudioContext *s = avctx->priv_data;
  
  	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) {
  
  		num = lame_encode_buffer_interleaved(s->gfp, data,
  
  			MPA_FRAME_SIZE, frame, buf_size);
  
  	} 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;
  
  }
  