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engines/grim/emi/sound/scxtrack.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 "common/textconsole.h"
+
+#include "audio/mixer.h"
+#include "audio/audiostream.h"
+
+#include "engines/grim/debug.h"
+#include "engines/grim/resource.h"
+#include "engines/grim/emi/sound/codecs/scx.h"
+#include "engines/grim/emi/sound/scxtrack.h"
+
+namespace Grim {
+
+SCXTrack::SCXTrack(Audio::Mixer::SoundType soundType) {
+	_disposeAfterPlaying = DisposeAfterUse::NO;
+	_soundType = soundType;
+	_looping = false;
+}
+
+SCXTrack::~SCXTrack() {
+	stop();
+	if (_handle) {
+		g_system->getMixer()->stopHandle(*_handle);
+		delete _handle;
+	}
+}
+
+bool SCXTrack::openSound(const Common::String &filename, const Common::String &soundName, const Audio::Timestamp *start) {
+	Common::SeekableReadStream *file = g_resourceloader->openNewStreamFile(filename);
+	if (!file) {
+		Debug::debug(Debug::Sound, "Stream for %s not open", soundName.c_str());
+		return false;
+	}
+	_soundName = soundName;
+	Audio::RewindableAudioStream *scxStream = makeSCXStream(file, start, DisposeAfterUse::YES);
+	_stream = scxStream;
+	_handle = new Audio::SoundHandle();
+	return true;
+}
+
+bool SCXTrack::isPlaying() {
+	if (!_handle)
+		return false;
+
+	return g_system->getMixer()->isSoundHandleActive(*_handle);
+}
+
+Audio::Timestamp SCXTrack::getPos() {
+	if (!_stream || _looping)
+		return Audio::Timestamp(0);
+	return dynamic_cast<SCXStream*>(_stream)->getPos();
+}
+
+bool SCXTrack::play() {
+	if (_stream) {
+		Audio::RewindableAudioStream *stream = dynamic_cast<Audio::RewindableAudioStream *>(_stream);
+		if (!_looping) {
+			stream->rewind();
+		}
+		return SoundTrack::play();
+	}
+	return false;
+}
+
+void SCXTrack::setLooping(bool looping) {
+	if (_looping == looping)
+		return;
+	_looping = looping;
+	if (looping && _stream) {
+		_stream = Audio::makeLoopingAudioStream(dynamic_cast<Audio::RewindableAudioStream *>(_stream), 0);
+	}
+}
+
+} // end of namespace Grim