gzdoom-gles/src/sound/musicformats/music_stream.cpp
2018-03-11 19:29:37 +01:00

143 lines
3.2 KiB
C++

/*
** music_stream.cpp
** Wrapper around the sound system's streaming feature for music.
**
**---------------------------------------------------------------------------
** Copyright 2008 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
*/
#include "i_musicinterns.h"
void StreamSong::Play (bool looping, int subsong)
{
m_Status = STATE_Stopped;
m_Looping = looping;
if (m_Stream->Play (m_Looping, 1))
{
if (subsong != 0)
{
m_Stream->SetOrder (subsong);
}
m_Status = STATE_Playing;
}
}
void StreamSong::Pause ()
{
if (m_Status == STATE_Playing && m_Stream != NULL)
{
if (m_Stream->SetPaused (true))
m_Status = STATE_Paused;
}
}
void StreamSong::Resume ()
{
if (m_Status == STATE_Paused && m_Stream != NULL)
{
if (m_Stream->SetPaused (false))
m_Status = STATE_Playing;
}
}
void StreamSong::Stop ()
{
if (m_Status != STATE_Stopped && m_Stream)
{
m_Stream->Stop ();
}
m_Status = STATE_Stopped;
}
StreamSong::~StreamSong ()
{
Stop ();
if (m_Stream != NULL)
{
delete m_Stream;
m_Stream = NULL;
}
}
StreamSong::StreamSong (FileReader &reader)
{
m_Stream = GSnd->OpenStream (reader, SoundStream::Loop);
}
bool StreamSong::IsPlaying ()
{
if (m_Status != STATE_Stopped)
{
if (m_Stream->IsEnded())
{
Stop();
return false;
}
return true;
}
return false;
}
//
// StreamSong :: SetPosition
//
// Sets the position in ms.
bool StreamSong::SetPosition(unsigned int pos)
{
if (m_Stream != NULL)
{
return m_Stream->SetPosition(pos);
}
else
{
return false;
}
}
bool StreamSong::SetSubsong(int subsong)
{
if (m_Stream != NULL)
{
return m_Stream->SetOrder(subsong);
}
else
{
return false;
}
}
FString StreamSong::GetStats()
{
if (m_Stream != NULL)
{
return m_Stream->GetStats();
}
return "No song loaded\n";
}