GRAPHICS: Move graphics/video/ to video/. Step 1/2

svn-id: r55473

1 files changed, 225 insertions, 0 deletions

diff --git a/video/avi_decoder.h b/video/avi_decoder.h
new file mode 100644
index 0000000000..9f9f5ed617
--- /dev/null
+++ b/video/avi_decoder.h
@@ -0,0 +1,225 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef GRAPHICS_AVI_PLAYER_H
+#define GRAPHICS_AVI_PLAYER_H
+
+#include "graphics/video/video_decoder.h"
+#include "graphics/video/codecs/codec.h"
+#include "sound/audiostream.h"
+#include "sound/mixer.h"
+
+namespace Graphics {
+
+#define UNKNOWN_HEADER(a) error("Unknown header found -- \'%s\'", tag2str(a))
+
+// IDs used throughout the AVI files
+// that will be handled by this player
+#define ID_RIFF MKID_BE('RIFF')
+#define ID_AVI  MKID_BE('AVI ')
+#define ID_LIST MKID_BE('LIST')
+#define ID_HDRL MKID_BE('hdrl')
+#define ID_AVIH MKID_BE('avih')
+#define ID_STRL MKID_BE('strl')
+#define ID_STRH MKID_BE('strh')
+#define ID_VIDS MKID_BE('vids')
+#define ID_AUDS MKID_BE('auds')
+#define ID_MIDS MKID_BE('mids')
+#define ID_TXTS MKID_BE('txts')
+#define ID_JUNK MKID_BE('JUNK')
+#define ID_STRF MKID_BE('strf')
+#define ID_MOVI MKID_BE('movi')
+#define ID_REC  MKID_BE('rec ')
+#define ID_VEDT MKID_BE('vedt')
+#define ID_IDX1 MKID_BE('idx1')
+#define ID_STRD MKID_BE('strd')
+#define ID_00AM MKID_BE('00AM')
+//#define ID_INFO MKID_BE('INFO')
+
+// Codec tags
+#define ID_RLE  MKID_BE('RLE ')
+#define ID_CRAM MKID_BE('CRAM')
+#define ID_MSVC MKID_BE('msvc')
+#define ID_WHAM MKID_BE('WHAM')
+#define ID_CVID MKID_BE('cvid')
+#define ID_IV32 MKID_BE('iv32')
+#define ID_DUCK MKID_BE('DUCK')
+
+struct BITMAPINFOHEADER {
+	uint32 size;
+	uint32 width;
+	uint32 height;
+	uint16 planes;
+	uint16 bitCount;
+	uint32 compression;
+	uint32 sizeImage;
+	uint32 xPelsPerMeter;
+	uint32 yPelsPerMeter;
+	uint32 clrUsed;
+	uint32 clrImportant;
+};
+
+struct WAVEFORMAT {
+	uint16 tag;
+	uint16 channels;
+	uint32 samplesPerSec;
+	uint32 avgBytesPerSec;
+	uint16 blockAlign;
+};
+
+struct PCMWAVEFORMAT : public WAVEFORMAT {
+	uint16 size;
+};
+
+struct WAVEFORMATEX : public WAVEFORMAT {
+	uint16 bitsPerSample;
+	uint16 size;
+};
+
+struct AVIOLDINDEX {
+	uint32 size;
+	struct Index {
+		uint32 id;
+		uint32 flags;
+		uint32 offset;
+		uint32 size;
+	} *indices;
+};
+
+// Index Flags
+enum IndexFlags {
+	AVIIF_INDEX = 0x10
+};
+
+// Audio Codecs
+enum {
+	kWaveFormatNone = 0,
+	kWaveFormatPCM = 1,
+	kWaveFormatDK3 = 98
+};
+
+struct AVIHeader {
+	uint32 size;
+	uint32 microSecondsPerFrame;
+	uint32 maxBytesPerSecond;
+	uint32 padding;
+	uint32 flags;
+	uint32 totalFrames;
+	uint32 initialFrames;
+	uint32 streams;
+	uint32 bufferSize;
+	uint32 width;
+	uint32 height;
+};
+
+// Flags from the AVIHeader
+enum AviFlags {
+	AVIF_HASINDEX = 0x00000010,
+	AVIF_MUSTUSEINDEX = 0x00000020,
+	AVIF_ISINTERLEAVED = 0x00000100,
+	AVIF_TRUSTCKTYPE = 0x00000800,
+	AVIF_WASCAPTUREFILE = 0x00010000,
+	AVIF_WASCOPYRIGHTED = 0x00020000
+};
+
+struct AVIStreamHeader {
+	uint32 size;
+	uint32 streamType;
+	uint32 streamHandler;
+	uint32 flags;
+	uint16 priority;
+	uint16 language;
+	uint32 initialFrames;
+	uint32 scale;
+	uint32 rate;
+	uint32 start;
+	uint32 length;
+	uint32 bufferSize;
+	uint32 quality;
+	uint32 sampleSize;
+	Common::Rect frame;
+};
+
+/**
+ * Decoder for AVI videos.
+ *
+ * Video decoder used in engines:
+ *  - sci
+ */
+class AviDecoder : public FixedRateVideoDecoder {
+public:
+	AviDecoder(Audio::Mixer *mixer,
+			Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
+	virtual ~AviDecoder();
+
+	bool load(Common::SeekableReadStream *stream);
+	void close();
+
+	bool isVideoLoaded() const { return _fileStream != 0; }
+	uint16 getWidth() const { return _header.width; }
+	uint16 getHeight() const { return _header.height; }
+	uint32 getFrameCount() const { return _header.totalFrames; }
+	uint32 getElapsedTime() const;
+	const Surface *decodeNextFrame();
+	PixelFormat getPixelFormat() const;
+	const byte *getPalette() { _dirtyPalette = false; return _palette; }
+	bool hasDirtyPalette() const { return _dirtyPalette; }
+
+protected:
+	Common::Rational getFrameRate() const { return Common::Rational(_vidsHeader.rate, _vidsHeader.scale); }
+
+private:
+	Audio::Mixer *_mixer;
+	BITMAPINFOHEADER _bmInfo;
+	PCMWAVEFORMAT _wvInfo;
+	AVIOLDINDEX _ixInfo;
+	AVIHeader _header;
+	AVIStreamHeader _vidsHeader;
+	AVIStreamHeader _audsHeader;
+	byte _palette[3 * 256];
+	bool _dirtyPalette;
+
+	Common::SeekableReadStream *_fileStream;
+	bool _decodedHeader;
+
+	Codec *_videoCodec;
+	Codec *createCodec();
+
+	Audio::Mixer::SoundType _soundType;
+
+	void runHandle(uint32 tag);
+	void handleList();
+	void handleStreamHeader();
+	void handlePalChange();
+
+	Audio::SoundHandle *_audHandle;
+	Audio::QueuingAudioStream *_audStream;
+	Audio::QueuingAudioStream *createAudioStream();
+	void queueAudioBuffer(uint32 chunkSize);
+};
+
+} // End of namespace Graphics
+
+#endif