aboutsummaryrefslogtreecommitdiff
path: root/engines/titanic/support/avi_surface.h
blob: d3442a12f7edcece48745e22599f80373ac5a0c0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
/* 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 TITANIC_AVI_SURFACE_H
#define TITANIC_AVI_SURFACE_H

#include "video/avi_decoder.h"
#include "graphics/managed_surface.h"
#include "titanic/core/resource_key.h"
#include "titanic/support/movie_range_info.h"

namespace Titanic {

class CSoundManager;
class CVideoSurface;

enum MovieFlag {
	MOVIE_REPEAT = 1,				// Repeat movie
	MOVIE_STOP_PREVIOUS = 2,		// Stop any prior movie playing on the object
	MOVIE_NOTIFY_OBJECT = 4,		// Notify the object when the movie finishes
	MOVIE_REVERSE = 8,				// Play the movie in reverse
	MOVIE_WAIT_FOR_FINISH = 0x10	// Let finish before playing next movie for object
};

class AVIDecoder : public Video::AVIDecoder {
public:
	AVIDecoder(Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType) :
		Video::AVIDecoder(soundType) {}
	AVIDecoder(const Common::Rational &frameRateOverride, Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType) :
		Video::AVIDecoder(frameRateOverride, soundType) {}

	/**
	 * Returns the number of video tracks the decoder has
	 */
	uint videoTrackCount() const { return _videoTracks.size(); }

	/**
	 * Returns the specified video track
	 */
	Video::AVIDecoder::AVIVideoTrack &getVideoTrack(uint idx);
};

class AVISurface {
private:
	AVIDecoder *_decoder;
	CVideoSurface *_videoSurface;
	CMovieRangeInfoList _movieRangeInfo;
	int _streamCount;
	Graphics::ManagedSurface *_movieFrameSurface[2];
	Graphics::ManagedSurface *_framePixels;
	bool _isReversed;
	int _currentFrame, _priorFrame;
	uint32 _priorFrameTime;
	Common::String _movieName;
private:
	/**
	 * Render a frame to the video surface
	 */
	bool renderFrame();

	/**
	 * Sets up for video decompression
	 */
	void setupDecompressor();

	/**
	 * Copys a movie frame into a local 16-bit frame surface
	 * @param src	Source raw movie frame
	 * @param dest	Destination 16-bit copy of the frame
	 * @remarks		The important thing this methods different from a straight
	 * copy is that any pixels marked as fully transparent are replaced with
	 * the special transparent color value.
	 */
	void copyMovieFrame(const Graphics::Surface &src, Graphics::ManagedSurface &dest);
protected:
	/**
	 * Start playback at the specified frame
	 */
	bool startAtFrame(int frameNumber);

	/**
	 * Sets whether the movie is playing in reverse
	 */
	void setReversed(bool isReversed);

	/**
	 * Seeks to a given frame number in the video
	 */
	virtual void seekToFrame(uint frameNumber);
public:
	CSoundManager *_soundManager;
	bool _hasAudio;
	double _frameRate;
public:
	AVISurface(const CResourceKey &key);
	virtual ~AVISurface();

	/**
	 * Start playing the loaded AVI video
	 */
	virtual bool play(uint flags, CGameObject *obj);

	/**
	 * Start playing the loaded AVI video
	 */
	virtual bool play(int startFrame, int endFrame, uint flags, CGameObject *obj);

	/**
	 * Start playing the loaded AVI video
	 */
	virtual bool play(int startFrame, int endFrame, int initialFrame, uint flags, CGameObject *obj);

	/**
	 * Stop the currently playing video
	 */
	virtual void stop();

	/**
	 * Pauses video playback
	 */
	virtual void pause();

	/**
	 * Resumes the video if it's paused
	 */
	virtual void resume();

	/**
	 * Return true if a video is currently playing
	 */
	virtual bool isPlaying() const {
		return _decoder->isPlaying();
	}

	/**
	 * Handle any movie events relevent for the frame
	 */
	virtual bool handleEvents(CMovieEventList &events);

	/**
	 * Set the video surface the AVI Surface will render on
	 */
	void setVideoSurface(CVideoSurface *surface);

	/**
	 * Get the width of the video
	 */
	uint getWidth() const;

	/**
	 * Get the height of the video
	 */
	uint getHeight() const;

	/**
	 * Set the current frame
	 */
	void setFrame(int frameNumber);

	/**
	 * Gets the current frame
	 */
	int getFrame() const { return _priorFrame; }

	/**
	 * Add a movie event
	 */
	bool addEvent(int *frameNumber, CGameObject *obj);

	/**
	 * Set the frame rate
	 */
	void setFrameRate(double rate);

	/**
	 * Returns the surface for the secondary video track frame, if present
	 */
	Graphics::ManagedSurface *getSecondarySurface();

	/**
	 * Get a reference to the movie range info list
	 */
	const CMovieRangeInfoList *getMovieRangeInfo() const {
		return &_movieRangeInfo;
	}

	/**
	 * Duplicates the transparency mask for the frame, if the movie includes it
	 */
	Graphics::ManagedSurface *duplicateTransparency() const;

	/**
	 * Returns true if it's time for the next
	 */
	bool isNextFrame();

	/**
	 * Plays an interruptable cutscene
	 */
	void playCutscene(const Rect &r, uint startFrame, uint endFrame);

	/**
	 * Returns the pixel depth of the movie in bits
	 */
	uint getBitDepth() const;
};

} // End of namespace Titanic

#endif /* TITANIC_AVI_SURFACE_H */