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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
// -----------------------------------------------------------------------------
// Logging
// -----------------------------------------------------------------------------
#define BS_LOG_PREFIX "FMODEXRESOURCE"
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
#include <memory>
#include "sword25/sfx/fmodexexception.h"
#include "sword25/sfx/fmodexchannel.h"
#include "sword25/package/packagemanager.h"
#include "sword25/sfx/fmodexresource.h"
// -----------------------------------------------------------------------------
// Konstanten
// -----------------------------------------------------------------------------
namespace
{
const unsigned int MAX_SAMPLE_SIZE = 100 * 1024; // Die Dateigr��e in Byte ab der ein Sound als Stream abgespielt wird
}
// -----------------------------------------------------------------------------
// Konstruktion / Destruktion
// -----------------------------------------------------------------------------
BS_FMODExResource::BS_FMODExResource(const std::string& FileName, FMOD_SYSTEM * FMOD, bool & Success) :
m_SoundPtr(0),
m_SoundDataPtr(0),
BS_Resource(FileName, BS_Resource::TYPE_SOUND)
{
BS_ASSERT(FMOD);
// Von Misserfolg ausgehen
Success = false;
// Pointer auf den Package-Manager bekommen
BS_PackageManager * PackagePtr = BS_Kernel::GetInstance()->GetPackage();
if (!PackagePtr)
{
BS_LOG_ERRORLN("Package manager not found.");
return;
}
// Datei laden
unsigned int FileSize;
char * FileDataPtr = (char*) PackagePtr->GetFile(GetFileName(), &FileSize);
if (!FileDataPtr)
{
BS_LOG_ERRORLN("File \"%s\" could not be loaded.", GetFileName().c_str());
return;
}
// Ob die Sounddatei als Sample oder als Stream behandelt wird, ist abh�ngig von der Dateigr��e.
// Samples werden sofort intialisiert.
// F�r Streams wird hingegen bei jedem Abspielen ein neuer Sound erstellt. Dieses Vorgehen ist notwendig, da FMOD Ex Samples beliebig oft
// gleichzeitig abspielen kann, Streams jedoch nur ein mal.
if (FileSize <= MAX_SAMPLE_SIZE)
{
FMOD_CREATESOUNDEXINFO ExInfo;
memset(&ExInfo, 0, sizeof(ExInfo));
ExInfo.cbsize = sizeof(ExInfo);
ExInfo.length = FileSize;
FMOD_RESULT Result = FMOD_System_CreateSound(FMOD, FileDataPtr,
FMOD_CREATESAMPLE | FMOD_OPENMEMORY | FMOD_SOFTWARE | FMOD_2D | FMOD_LOOP_NORMAL,
&ExInfo,
&m_SoundPtr);
if (Result != FMOD_OK) BS_FMODExException("FMOD_System_CreateSound()", Result).Log();
Success = Result == FMOD_OK;
delete FileDataPtr;
}
else
{
m_SoundDataPtr = FileDataPtr;
m_SoundDataSize = FileSize;
Success = true;
}
}
// -----------------------------------------------------------------------------
BS_FMODExResource::~BS_FMODExResource()
{
// Sound freigeben, solange des Soundsystem noch l�uft.
// Sollte das Soundsystem beendet worden sein m�ssen und k�nnen Sounds nicht mehr freigegeben werden.
if (m_SoundPtr && BS_Kernel::GetInstance()->GetService("sfx")) FMOD_Sound_Release(m_SoundPtr);
if (m_SoundDataPtr) delete [] m_SoundDataPtr;
}
// -----------------------------------------------------------------------------
// Abspielen
// -----------------------------------------------------------------------------
BS_FMODExChannel * BS_FMODExResource::StartSound(FMOD_SYSTEM * FMOD)
{
BS_ASSERT(FMOD);
FMOD_CHANNEL * NewChannelPtr;
FMOD_SOUND * NewSoundPtr = 0;
// Sample k�nnen sofort abgespielt werden.
if (m_SoundPtr)
{
FMOD_RESULT Result = FMOD_System_PlaySound(FMOD, FMOD_CHANNEL_FREE, m_SoundPtr, 1, &NewChannelPtr);
if (Result != FMOD_OK)
{
BS_FMODExException("FMOD_System_PlaySound()", Result).Log();
return 0;
}
}
// F�r Streams muss ein neuer Sound erstellt werden.
else
{
FMOD_CREATESOUNDEXINFO ExInfo;
memset(&ExInfo, 0, sizeof(ExInfo));
ExInfo.cbsize = sizeof(ExInfo);
ExInfo.length = m_SoundDataSize;
FMOD_RESULT Result;
Result = FMOD_System_CreateSound(FMOD,
m_SoundDataPtr,
FMOD_CREATESTREAM | FMOD_OPENMEMORY_POINT | FMOD_SOFTWARE | FMOD_2D | FMOD_LOOP_NORMAL,
&ExInfo,
&NewSoundPtr);
if (Result != FMOD_OK)
{
BS_FMODExException("FMOD_System_CreateSound()", Result).Log();
return 0;
}
Result = FMOD_System_PlaySound(FMOD, FMOD_CHANNEL_FREE, NewSoundPtr, 1, &NewChannelPtr);
if (Result != FMOD_OK)
{
BS_FMODExException("FMOD_System_PlaySound()", Result).Log();
return 0;
}
}
// Der Channel und der Sound (bei Streams) werden an ein BS_FMODExChannel-Objekt �bergeben.
// Dieses Sorgt auch daf�r, dass Channel und Sound korrekt zerst�rt werden.
return new BS_FMODExChannel(NewChannelPtr, NewSoundPtr);
}
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