112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
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/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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#include "sound/oalsound/buffer.h"
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#include "common/resources/resourcemanager.h"
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#include "sound/oalsound/check.h"
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#include <cstddef>
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#include <memory>
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CBuffer::CBuffer()
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: m_buffer(),
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m_sound(),
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m_loaded(false),
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m_duration(0.0f)
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{}
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CBuffer::~CBuffer()
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{
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if (m_loaded)
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{
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alDeleteBuffers(1, &m_buffer);
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if (CheckOpenALError())
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GetLogger()->Debug("Failed to unload buffer. Code %d\n", GetOpenALErrorCode());
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}
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}
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bool CBuffer::LoadFromFile(std::string filename, SoundType sound)
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{
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m_sound = sound;
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GetLogger()->Debug("Loading audio file: %s\n", filename.c_str());
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auto file = CResourceManager::GetSNDFileHandler(filename);
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GetLogger()->Trace(" channels %d\n", file->GetFileInfo().channels);
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GetLogger()->Trace(" format %d\n", file->GetFileInfo().format);
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GetLogger()->Trace(" frames %d\n", file->GetFileInfo().frames);
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GetLogger()->Trace(" samplerate %d\n", file->GetFileInfo().samplerate);
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GetLogger()->Trace(" sections %d\n", file->GetFileInfo().sections);
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if (!file->IsOpen())
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{
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GetLogger()->Warn("Could not load file %s. Reason: %s\n", filename.c_str(), file->GetLastError().c_str());
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m_loaded = false;
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return false;
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}
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alGenBuffers(1, &m_buffer);
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if (CheckOpenALError())
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{
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GetLogger()->Warn("Could not create audio buffer. Code: %d\n", GetOpenALErrorCode());
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m_loaded = false;
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return false;
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}
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// read chunks of 4096 samples
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std::vector<uint16_t> data;
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std::array<int16_t, 4096> buffer;
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data.reserve(file->GetFileInfo().frames);
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std::size_t read = 0;
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while ((read = file->Read(buffer.data(), buffer.size())) != 0)
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{
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data.insert(data.end(), buffer.begin(), buffer.begin() + read);
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}
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ALenum format = file->GetFileInfo().channels == 1 ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
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alBufferData(m_buffer, format, &data.front(), data.size() * sizeof(uint16_t), file->GetFileInfo().samplerate);
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m_duration = static_cast<float>(file->GetFileInfo().frames) / file->GetFileInfo().samplerate;
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m_loaded = true;
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return true;
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}
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SoundType CBuffer::GetSoundType()
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{
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return m_sound;
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}
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ALuint CBuffer::GetBuffer()
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{
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return m_buffer;
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}
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bool CBuffer::IsLoaded()
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{
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return m_loaded;
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}
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float CBuffer::GetDuration()
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{
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return m_duration;
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}
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