Initial commit

engines/grim/emi/sound/aifftrack.cpp

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+/* 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