/*
 * --- GSMP-COPYRIGHT-NOTE-BEGIN ---
 * 
 * This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 * Please add additional copyright information _after_ the line containing
 * the GSMP-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
 * the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
 * 
 * GSMP: pcm/src/BasicStream.cc
 * General Sound Manipulation Program is Copyright (C) 2000 - 2004
 *   Valentin Ziegler and René Rebe
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2. A copy of the GNU General
 * Public License can be found in the file LICENSE.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
 * ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 * 
 * --- GSMP-COPYRIGHT-NOTE-END ---
 */

#include "Logging.hh"

#include "BasicStream.hh"

using namespace GSMP;

BasicStream::BasicStream (channel_index i_channels,
			  local_index i_size)
  : channels (i_channels), size (i_size)
  
{
  for (channel_index i = 0; i < channels; ++i)
    buffers.push_back (new BufferType (size) );
}

BasicStream::~BasicStream ()
{
  for (channel_index i = 0; i < channels; ++i)
    delete buffers [i];
}

BasicStream::BufferType* BasicStream::operator[] (channel_index channel)
{
  if (channel < channels)
    return buffers [channel];
  else {
    Q_WARN(LowlevelLog) << "channel out of range" << std::endl;
    return 0;
  }
}

void BasicStream::Clear ()
{
  for (channel_index i = 0; i < channels; ++i)
    buffers[i]->Clear ();
}

local_index BasicStream::UsedSize () const
{
  if (channels == 0) {
    Q_WARN(LowlevelLog) << "no channel present!" << std::endl;
    return 0;
  }
  
  return buffers[0]->UsedSize ();
}

local_index BasicStream::FreeSize () const
{
  if (channels == 0) {
    Q_WARN(LowlevelLog) << "no channel present!" << std::endl;
    return 0;
  }
  
  return buffers[0]->FreeSize ();
}

void BasicStream::SetUsedSize (local_index new_used_size)
{
  for (channel_index i = 0; i < channels; ++i)
    buffers[i]->SetUsedSize (new_used_size);
}