Merge pull request #836 from peterkohaut/bladerunner

BLADERUNNER: added basic support for blade runner game

1 files changed, 63 insertions, 0 deletions

diff --git a/engines/bladerunner/aud_stream.h b/engines/bladerunner/aud_stream.h
new file mode 100644
index 0000000000..3279bdada3
--- /dev/null
+++ b/engines/bladerunner/aud_stream.h
@@ -0,0 +1,63 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef BLADERUNNER_AUD_STREAM_H
+#define BLADERUNNER_AUD_STREAM_H
+
+#include "bladerunner/adpcm_decoder.h"
+
+#include "audio/audiostream.h"
+#include "common/endian.h"
+#include "common/types.h"
+
+namespace BladeRunner {
+
+class AudioCache;
+
+class AudStream : public Audio::RewindableAudioStream {
+	byte       *_data;
+	byte       *_p;
+	byte       *_end;
+	AudioCache *_cache;
+	int32       _hash;
+	byte        _compressionType;
+	uint16      _deafBlockRemain;
+
+	ADPCMWestwoodDecoder _decoder;
+
+	void init(byte *data);
+
+public:
+	AudStream(byte *data);
+	AudStream(AudioCache *cache, int32 hash);
+	~AudStream();
+
+	int readBuffer(int16 *buffer, const int numSamples);
+	bool isStereo() const { return false; }
+	int getRate() const { return READ_LE_UINT16(_data); };
+	bool endOfData() const { return _p == _end; }
+	bool rewind();
+};
+
+} // End of namespace BladeRunner
+
+#endif