scummvm/engines/grim/emi/sound/aifftrack.cpp
Paweł Kołodziejski 06902574b4
GRIM: Janitorial
2022-06-08 01:12:00 +02:00

101 lines
3 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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://www.gnu.org/licenses/>.
*
*/
#include "common/mutex.h"
#include "audio/mixer.h"
#include "audio/audiostream.h"
#include "audio/decoders/aiff.h"
#include "engines/grim/debug.h"
#include "engines/grim/resource.h"
#include "engines/grim/emi/sound/aifftrack.h"
namespace Grim {
AIFFTrack::AIFFTrack(Audio::Mixer::SoundType soundType) {
_soundType = soundType;
_looping = false;
// A preloaded AIFF track may be played multiple times, so we don't
// want to dispose after playing. The destructor of SoundTrack will
// take care of disposing the stream instead.
_disposeAfterPlaying = DisposeAfterUse::NO;
}
AIFFTrack::~AIFFTrack() {
stop();
if (_handle) {
g_system->getMixer()->stopHandle(*_handle);
delete _handle;
}
}
bool AIFFTrack::openSound(const Common::String &filename, const Common::String &soundName, const Audio::Timestamp *start) {
Common::SeekableReadStream *file = g_resourceloader->openNewStreamFile(filename, true);
if (!file) {
Debug::debug(Debug::Sound, "Stream for %s not open", soundName.c_str());
return false;
}
_soundName = soundName;
Audio::RewindableAudioStream *aiffStream = Audio::makeAIFFStream(file, DisposeAfterUse::YES);
Audio::SeekableAudioStream *seekStream = dynamic_cast<Audio::SeekableAudioStream *>(aiffStream);
_stream = aiffStream;
if (start)
seekStream->seek(*start);
if (!_stream)
return false;
_handle = new Audio::SoundHandle();
return true;
}
void AIFFTrack::setLooping(bool looping) {
if (_looping == looping)
return;
_looping = looping;
if (looping && _stream) {
_stream = Audio::makeLoopingAudioStream(dynamic_cast<Audio::SeekableAudioStream *>(_stream), 0);
}
}
bool AIFFTrack::play() {
if (_stream) {
Audio::RewindableAudioStream *stream = dynamic_cast<Audio::RewindableAudioStream *>(_stream);
if (!_looping) {
stream->rewind();
}
return SoundTrack::play();
}
return false;
}
bool AIFFTrack::isPlaying() {
if (!_handle)
return false;
return g_system->getMixer()->isSoundHandleActive(*_handle);
}
Audio::Timestamp AIFFTrack::getPos() {
// FIXME: Return actual stream position.
return g_system->getMixer()->getSoundElapsedTime(*_handle);
}
} // end of namespace Grim