121 lines
3.9 KiB
C++
121 lines
3.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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. See the
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* 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://www.gnu.org/licenses/>.
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*
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*/
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/*
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* Copyright (C) 2006-2010 - Frictional Games
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*
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* This file is part of HPL1 Engine.
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*/
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#include "hpl1/engine/impl/OpenALSoundData.h"
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#include "audio/audiostream.h"
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#include "audio/decoders/vorbis.h"
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#include "audio/decoders/wave.h"
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#include "common/memstream.h"
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#include "hpl1/debug.h"
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#include "hpl1/engine/impl/OpenALSoundChannel.h"
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#include "hpl1/engine/system/SystemTypes.h"
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#include "hpl1/engine/system/low_level_system.h"
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namespace hpl {
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enum DataFormat {
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kWav,
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kOgg,
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kNone,
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};
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//////////////////////////////////////////////////////////////////////////
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// CONSTRUCTORS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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cOpenALSoundData::cOpenALSoundData(tString asName, bool abStream, cLowLevelSoundOpenAL *lowLevelSound)
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: iSoundData(asName, abStream), _lowLevelSound(lowLevelSound) {
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}
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//-----------------------------------------------------------------------
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cOpenALSoundData::~cOpenALSoundData() {
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}
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//-----------------------------------------------------------------------
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//////////////////////////////////////////////////////////////////////////
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// PUBLIC METHODS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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static uint audioDataFormat(const tString &filename) {
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if (filename.hasSuffix("wav"))
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return kWav;
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else if (filename.hasSuffix("ogg"))
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return kOgg;
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return kNone;
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}
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bool cOpenALSoundData::CreateFromFile(const tString &filename) {
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if (_audioData) {
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Hpl1::logWarning(Hpl1::kDebugAudio, "overriding previous sound data with new audio at '%s'\n", filename.c_str());
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}
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Common::File file;
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if (!file.open(Common::Path(filename))) {
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Hpl1::logWarning(Hpl1::kDebugFilePath | Hpl1::kDebugResourceLoading | Hpl1::kDebugAudio, "Audio file '%s' could not be opened\n", filename.c_str());
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return false;
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}
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if (file.err() || file.size() < 0) {
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Hpl1::logError(Hpl1::kDebugResourceLoading | Hpl1::kDebugAudio, "error reading file '%s'\n", filename.c_str());
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return false;
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}
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_format = audioDataFormat(filename);
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_audioDataSize = file.size();
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_audioData.reset(Common::SharedPtr<byte>((byte *)malloc(_audioDataSize), free));
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file.read(_audioData.get(), _audioDataSize);
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return true;
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}
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//-----------------------------------------------------------------------
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static Audio::SeekableAudioStream *createAudioStream(Common::MemoryReadStream *data, uint format) {
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switch (format) {
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#ifdef USE_VORBIS
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case kOgg:
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return Audio::makeVorbisStream(data, DisposeAfterUse::YES);
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#endif
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case kWav:
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return Audio::makeWAVStream(data, DisposeAfterUse::YES);
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}
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return nullptr;
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}
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iSoundChannel *cOpenALSoundData::CreateChannel(int priority) {
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IncUserCount();
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if (!_audioData)
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return nullptr;
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auto *dataStream = new Common::MemoryReadStream(_audioData, _audioDataSize);
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auto *audioStream = createAudioStream(dataStream, _format);
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return new cOpenALSoundChannel(this, audioStream, mpSoundManger, _lowLevelSound, priority);
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}
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} // namespace hpl
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