colobot/colobot-base/sound/oalsound/buffer.cpp

112 lines
3.2 KiB
C++
Raw Permalink Normal View History

/*
* This file is part of the Colobot: Gold Edition source code
2023-08-06 21:15:48 +00:00
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
2015-08-22 14:40:02 +00:00
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* 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 3 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, see http://gnu.org/licenses
*/
#include "sound/oalsound/buffer.h"
#include "common/resources/resourcemanager.h"
#include "sound/oalsound/check.h"
#include <cstddef>
#include <memory>
CBuffer::CBuffer()
: m_buffer(),
m_sound(),
m_loaded(false),
m_duration(0.0f)
{}
CBuffer::~CBuffer()
{
if (m_loaded)
{
alDeleteBuffers(1, &m_buffer);
if (CheckOpenALError())
GetLogger()->Debug("Failed to unload buffer. Code %d\n", GetOpenALErrorCode());
}
}
bool CBuffer::LoadFromFile(std::string filename, SoundType sound)
{
m_sound = sound;
GetLogger()->Debug("Loading audio file: %s\n", filename.c_str());
auto file = CResourceManager::GetSNDFileHandler(filename);
GetLogger()->Trace(" channels %d\n", file->GetFileInfo().channels);
GetLogger()->Trace(" format %d\n", file->GetFileInfo().format);
GetLogger()->Trace(" frames %d\n", file->GetFileInfo().frames);
GetLogger()->Trace(" samplerate %d\n", file->GetFileInfo().samplerate);
GetLogger()->Trace(" sections %d\n", file->GetFileInfo().sections);
if (!file->IsOpen())
{
GetLogger()->Warn("Could not load file %s. Reason: %s\n", filename.c_str(), file->GetLastError().c_str());
m_loaded = false;
return false;
}
alGenBuffers(1, &m_buffer);
if (CheckOpenALError())
{
GetLogger()->Warn("Could not create audio buffer. Code: %d\n", GetOpenALErrorCode());
m_loaded = false;
return false;
}
// read chunks of 4096 samples
std::vector<uint16_t> data;
std::array<int16_t, 4096> buffer;
data.reserve(file->GetFileInfo().frames);
std::size_t read = 0;
while ((read = file->Read(buffer.data(), buffer.size())) != 0)
{
data.insert(data.end(), buffer.begin(), buffer.begin() + read);
}
ALenum format = file->GetFileInfo().channels == 1 ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
alBufferData(m_buffer, format, &data.front(), data.size() * sizeof(uint16_t), file->GetFileInfo().samplerate);
m_duration = static_cast<float>(file->GetFileInfo().frames) / file->GetFileInfo().samplerate;
m_loaded = true;
return true;
}
SoundType CBuffer::GetSoundType()
{
return m_sound;
}
ALuint CBuffer::GetBuffer()
{
return m_buffer;
}
bool CBuffer::IsLoaded()
{
return m_loaded;
}
float CBuffer::GetDuration()
{
return m_duration;
}