mirror of
https://github.com/love2d/love.git
synced 2026-08-12 16:40:57 +02:00
Alex Szpakowski
148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
/**
|
|
* Copyright (c) 2006-2013 LOVE Development Team
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty. In no event will the authors be held liable for any damages
|
|
* arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute it
|
|
* freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you must not
|
|
* claim that you wrote the original software. If you use this software
|
|
* in a product, an acknowledgment in the product documentation would be
|
|
* appreciated but is not required.
|
|
* 2. Altered source versions must be plainly marked as such, and must not be
|
|
* misrepresented as being the original software.
|
|
* 3. This notice may not be removed or altered from any source distribution.
|
|
**/
|
|
#include "common/config.h"
|
|
#include "ModPlugDecoder.h"
|
|
|
|
#include "common/Exception.h"
|
|
|
|
namespace love
|
|
{
|
|
namespace sound
|
|
{
|
|
namespace lullaby
|
|
{
|
|
|
|
ModPlugDecoder::ModPlugDecoder(Data *data, const std::string &ext, int bufferSize)
|
|
: Decoder(data, ext, bufferSize)
|
|
, plug(0)
|
|
{
|
|
|
|
// Set some ModPlug settings.
|
|
settings.mFlags = MODPLUG_ENABLE_OVERSAMPLING | MODPLUG_ENABLE_NOISE_REDUCTION;
|
|
settings.mChannels = 2;
|
|
settings.mBits = 16;
|
|
settings.mFrequency = sampleRate;
|
|
settings.mResamplingMode = MODPLUG_RESAMPLE_LINEAR;
|
|
|
|
// fill with modplug defaults (modplug _memsets_, so we could get
|
|
// garbage settings when the struct is only partially initialized)
|
|
// This does not exist yet on Windows.
|
|
|
|
// Some settings not supported by some older versions
|
|
#ifndef LOVE_OLD_MODPLUG
|
|
settings.mStereoSeparation = 128;
|
|
settings.mMaxMixChannels = 32;
|
|
#endif
|
|
settings.mReverbDepth = 0;
|
|
settings.mReverbDelay = 0;
|
|
settings.mBassAmount = 0;
|
|
settings.mBassRange = 0;
|
|
settings.mSurroundDepth = 0;
|
|
settings.mSurroundDelay = 0;
|
|
settings.mLoopCount = 0;
|
|
|
|
ModPlug_SetSettings(&settings);
|
|
|
|
// Load the module.
|
|
plug = ModPlug_Load(data->getData(), data->getSize());
|
|
|
|
if (plug == 0)
|
|
throw love::Exception("Could not load file with ModPlug.");
|
|
|
|
// set master volume for delicate ears
|
|
ModPlug_SetMasterVolume(plug, 128);
|
|
}
|
|
|
|
ModPlugDecoder::~ModPlugDecoder()
|
|
{
|
|
if (plug != 0)
|
|
ModPlug_Unload(plug);
|
|
}
|
|
|
|
bool ModPlugDecoder::accepts(const std::string &ext)
|
|
{
|
|
static const std::string supported[] =
|
|
{
|
|
"699", "abc", "amf", "ams", "dbm", "dmf",
|
|
"dsm", "far", "it", "j2b", "mdl", "med",
|
|
"mid", "mod", "mt2", "mtm", "okt", "pat",
|
|
"psm", "s3m", "stm", "ult", "umx", "wav",
|
|
"xm", ""
|
|
};
|
|
|
|
for (int i = 0; !(supported[i].empty()); i++)
|
|
{
|
|
if (supported[i].compare(ext) == 0)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
love::sound::Decoder *ModPlugDecoder::clone()
|
|
{
|
|
return new ModPlugDecoder(data, ext, bufferSize);
|
|
}
|
|
|
|
int ModPlugDecoder::decode()
|
|
{
|
|
int r = ModPlug_Read(plug, buffer, bufferSize);
|
|
|
|
if (r == 0)
|
|
eof = true;
|
|
|
|
return r;
|
|
}
|
|
|
|
bool ModPlugDecoder::seek(float s)
|
|
{
|
|
ModPlug_Seek(plug, (int)(s*1000.0f));
|
|
return true;
|
|
}
|
|
|
|
bool ModPlugDecoder::rewind()
|
|
{
|
|
// Let's reload.
|
|
ModPlug_Unload(plug);
|
|
plug = ModPlug_Load(data->getData(), data->getSize());
|
|
ModPlug_SetMasterVolume(plug, 128);
|
|
eof = false;
|
|
return (plug != 0);
|
|
}
|
|
|
|
bool ModPlugDecoder::isSeekable()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
int ModPlugDecoder::getChannels() const
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
int ModPlugDecoder::getBits() const
|
|
{
|
|
return 16;
|
|
}
|
|
|
|
} // lullaby
|
|
} // sound
|
|
} // love
|