mirror of
https://github.com/love2d/love.git
synced 2026-08-17 11:00:31 +02:00
Sasha Szpakowski
143 lines
3.5 KiB
C++
143 lines
3.5 KiB
C++
/**
|
|
* Copyright (c) 2006-2024 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 <algorithm>
|
|
#include <sstream>
|
|
|
|
#include "Sound.h"
|
|
|
|
#include "ModPlugDecoder.h"
|
|
#include "VorbisDecoder.h"
|
|
#include "GmeDecoder.h"
|
|
#include "WaveDecoder.h"
|
|
#include "FLACDecoder.h"
|
|
|
|
#ifndef LOVE_NOMPG123
|
|
# include "Mpg123Decoder.h"
|
|
#endif // LOVE_NOMPG123
|
|
|
|
#ifdef LOVE_SUPPORT_COREAUDIO
|
|
# include "CoreAudioDecoder.h"
|
|
#endif
|
|
|
|
struct DecoderImpl
|
|
{
|
|
love::sound::Decoder *(*create)(love::filesystem::FileData *data, int bufferSize);
|
|
bool (*accepts)(const std::string& ext);
|
|
};
|
|
|
|
template<typename DecoderType>
|
|
DecoderImpl DecoderImplFor()
|
|
{
|
|
DecoderImpl decoderImpl;
|
|
decoderImpl.create = [](love::filesystem::FileData *data, int bufferSize) -> love::sound::Decoder*
|
|
{
|
|
return new DecoderType(data, bufferSize);
|
|
};
|
|
decoderImpl.accepts = [](const std::string& ext) -> bool
|
|
{
|
|
return DecoderType::accepts(ext);
|
|
};
|
|
return decoderImpl;
|
|
}
|
|
|
|
namespace love
|
|
{
|
|
namespace sound
|
|
{
|
|
namespace lullaby
|
|
{
|
|
|
|
Sound::Sound()
|
|
{
|
|
}
|
|
|
|
Sound::~Sound()
|
|
{
|
|
#ifndef LOVE_NOMPG123
|
|
Mpg123Decoder::quit();
|
|
#endif // LOVE_NOMPG123
|
|
}
|
|
|
|
const char *Sound::getName() const
|
|
{
|
|
return "love.sound.lullaby";
|
|
}
|
|
|
|
sound::Decoder *Sound::newDecoder(love::filesystem::FileData *data, int bufferSize)
|
|
{
|
|
std::string ext = data->getExtension();
|
|
std::transform(ext.begin(), ext.end(), ext.begin(), tolower);
|
|
|
|
std::vector<DecoderImpl> possibleDecoders = {
|
|
#ifndef LOVE_NO_MODPLUG
|
|
DecoderImplFor<ModPlugDecoder>(),
|
|
#endif // LOVE_NO_MODPLUG
|
|
#ifndef LOVE_NOMPG123
|
|
DecoderImplFor<Mpg123Decoder>(),
|
|
#endif // LOVE_NOMPG123
|
|
DecoderImplFor<VorbisDecoder>(),
|
|
#ifdef LOVE_SUPPORT_GME
|
|
DecoderImplFor<GmeDecoder>(),
|
|
#endif // LOVE_SUPPORT_GME
|
|
#ifdef LOVE_SUPPORT_COREAUDIO
|
|
DecoderImplFor<CoreAudioDecoder>(),
|
|
#endif
|
|
DecoderImplFor<WaveDecoder>(),
|
|
DecoderImplFor<FLACDecoder>(),
|
|
// DecoderImplFor<OtherDecoder>(),
|
|
};
|
|
|
|
// First find a matching decoder based on extension
|
|
for (DecoderImpl &possibleDecoder : possibleDecoders)
|
|
{
|
|
if (possibleDecoder.accepts(ext))
|
|
return possibleDecoder.create(data, bufferSize);
|
|
}
|
|
|
|
// If that fails, start probing instead
|
|
std::stringstream decodingErrors;
|
|
decodingErrors << "Failed to determine file type:\n";
|
|
for (DecoderImpl &possibleDecoder : possibleDecoders)
|
|
{
|
|
try
|
|
{
|
|
sound::Decoder *decoder = possibleDecoder.create(data, bufferSize);
|
|
return decoder;
|
|
}
|
|
catch (love::Exception &e)
|
|
{
|
|
decodingErrors << e.what() << '\n';
|
|
}
|
|
}
|
|
|
|
// Probing failed too, bail with the accumulated errors
|
|
throw love::Exception(decodingErrors.str().c_str());
|
|
|
|
// Unreachable, but here to prevent (possible) warnings
|
|
return nullptr;
|
|
}
|
|
|
|
} // lullaby
|
|
} // sound
|
|
} // love
|