aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/engine/kvideo.cpp
blob: ac6cfb683546941764018ef9f6d3881e922a0ad7 (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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
/* 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "engines/util.h"
#include "sci/engine/state.h"
#include "sci/graphics/helpers.h"
#include "sci/graphics/cursor.h"
#include "sci/graphics/palette.h"
#include "sci/graphics/screen.h"
#include "graphics/cursorman.h"
#include "graphics/video/avi_decoder.h"
#include "graphics/video/qt_decoder.h"
#include "sci/video/seq_decoder.h"
#ifdef ENABLE_SCI32
#include "graphics/video/coktel_decoder.h"
#endif

namespace Sci {

void playVideo(Graphics::VideoDecoder *videoDecoder) {
	if (!videoDecoder)
		return;

	byte *scaleBuffer = 0;
	uint16 width = videoDecoder->getWidth();
	uint16 height = videoDecoder->getHeight();
	uint16 screenWidth = g_system->getWidth();
	uint16 screenHeight = g_system->getHeight();

	if (screenWidth == 640 && width <= 320 && height <= 240) {
		assert(videoDecoder->getPixelFormat().bytesPerPixel == 1);
		width *= 2;
		height *= 2;
		scaleBuffer = new byte[width * height];
	}

	uint16 x = (screenWidth - width) / 2;
	uint16 y = (screenHeight - height) / 2;
	bool skipVideo = false;

	if (videoDecoder->hasDirtyPalette())
		videoDecoder->setSystemPalette();

	while (!g_engine->shouldQuit() && !videoDecoder->endOfVideo() && !skipVideo) {
		if (videoDecoder->needsUpdate()) {
			Graphics::Surface *frame = videoDecoder->decodeNextFrame();
			if (frame) {
				if (scaleBuffer) {
					// TODO: Probably should do aspect ratio correction in e.g. GK1 Windows 
					g_sci->_gfxScreen->scale2x((byte *)frame->pixels, scaleBuffer, videoDecoder->getWidth(), videoDecoder->getHeight());
					g_system->copyRectToScreen(scaleBuffer, width, x, y, width, height);
				} else
					g_system->copyRectToScreen((byte *)frame->pixels, frame->pitch, x, y, width, height);

				if (videoDecoder->hasDirtyPalette())
					videoDecoder->setSystemPalette();

				g_system->updateScreen();
			}
		}

		Common::Event event;
		while (g_system->getEventManager()->pollEvent(event)) {
			if ((event.type == Common::EVENT_KEYDOWN && event.kbd.keycode == Common::KEYCODE_ESCAPE) || event.type == Common::EVENT_LBUTTONUP)
				skipVideo = true;
		}

		g_system->delayMillis(10);
	}

	delete[] scaleBuffer;
	delete videoDecoder;
}

reg_t kShowMovie(EngineState *s, int argc, reg_t *argv) {
	// Hide the cursor if it's showing and then show it again if it was
	// previously visible.
	bool reshowCursor = g_sci->_gfxCursor->isVisible();
	if (reshowCursor)
		g_sci->_gfxCursor->kernelHide();

	uint16 screenWidth = g_system->getWidth();
	uint16 screenHeight = g_system->getHeight();
		
	Graphics::VideoDecoder *videoDecoder = 0;

	if (argv[0].segment != 0) {
		Common::String filename = s->_segMan->getString(argv[0]);

		if (g_sci->getPlatform() == Common::kPlatformMacintosh) {
			// Mac QuickTime
			// The only argument is the string for the video

			// HACK: Switch to 16bpp graphics for Cinepak.
			initGraphics(screenWidth, screenHeight, screenWidth > 320, NULL);

			if (g_system->getScreenFormat().bytesPerPixel == 1) {
				error("This video requires >8bpp color to be displayed, but could not switch to RGB color mode.");
				return NULL_REG;
			}

			videoDecoder = new Graphics::QuickTimeDecoder();
			if (!videoDecoder->loadFile(filename))
				error("Could not open '%s'", filename.c_str());
		} else {
			// DOS SEQ
			// SEQ's are called with no subops, just the string and delay
			SeqDecoder *seqDecoder = new SeqDecoder();
			seqDecoder->setFrameDelay(argv[1].toUint16()); // Time between frames in ticks
			videoDecoder = seqDecoder;

			if (!videoDecoder->loadFile(filename)) {
				warning("Failed to open movie file %s", filename.c_str());
				delete videoDecoder;
				videoDecoder = 0;
			}
		}
	} else {
		// Windows AVI
		// TODO: This appears to be some sort of subop. case 0 contains the string
		// for the video, so we'll just play it from there for now.

#ifdef ENABLE_SCI32
		if (getSciVersion() >= SCI_VERSION_2_1) {
			// SCI2.1 always has argv[0] as 1, the rest of the arguments seem to
			// follow SCI1.1/2.
			if (argv[0].toUint16() != 1)
				error("SCI2.1 kShowMovie argv[0] not 1");
			argv++;
			argc--;
		}
#endif
		switch (argv[0].toUint16()) {
		case 0: {
			Common::String filename = s->_segMan->getString(argv[1]);
			videoDecoder = new Graphics::AviDecoder(g_system->getMixer());

			if (!videoDecoder->loadFile(filename.c_str())) {
				warning("Failed to open movie file %s", filename.c_str());
				delete videoDecoder;
				videoDecoder = 0;
			}
			break;
		}
		default:
			warning("Unhandled SCI kShowMovie subop %d", argv[1].toUint16());
		}
	}

	if (videoDecoder) {
		playVideo(videoDecoder);

		// HACK: Switch back to 8bpp if we played a QuickTime video.
		// We also won't be copying the screen to the SCI screen...
		if (g_system->getScreenFormat().bytesPerPixel != 1)
			initGraphics(screenWidth, screenHeight, screenWidth > 320);
		else {
			g_sci->_gfxScreen->kernelSyncWithFramebuffer();
			g_sci->_gfxPalette->kernelSyncScreenPalette();
		}
	}

	if (reshowCursor)
		g_sci->_gfxCursor->kernelShow();

	return s->r_acc;
}

#ifdef ENABLE_SCI32

reg_t kPlayVMD(EngineState *s, int argc, reg_t *argv) {
	uint16 operation = argv[0].toUint16();
	Graphics::VideoDecoder *videoDecoder = 0;
	bool reshowCursor = g_sci->_gfxCursor->isVisible();
	Common::String fileName, warningMsg;

	switch (operation) {
	case 0:	// init
		// This is actually meant to init the video file, but we play it instead
		fileName = s->_segMan->derefString(argv[1]);
		// TODO: argv[2] (usually null). When it exists, it points to an "Event" object,
		// that holds no data initially (e.g. in the intro of Phantasmagoria 1 demo).
		// Perhaps it's meant for syncing
		if (argv[2] != NULL_REG)
			warning("kPlayVMD: third parameter isn't 0 (it's %04x:%04x - %s)", PRINT_REG(argv[2]), s->_segMan->getObjectName(argv[2]));

		videoDecoder = new Graphics::VMDDecoder(g_system->getMixer());

		if (!videoDecoder->loadFile(fileName)) {
			warning("Could not open VMD %s", fileName.c_str());
			break;
		}

		if (reshowCursor)
			g_sci->_gfxCursor->kernelHide();

		playVideo(videoDecoder);

		if (reshowCursor)
			g_sci->_gfxCursor->kernelShow();
		break;
	case 1:
	{
		// Set VMD parameters. Called with a maximum of 6 parameters:
		//
		// x, y, flags, gammaBoost, gammaFirst, gammaLast
		//
		// Flags are as follows:
		// bit 0		doubled
		// bit 1		"drop frames"?
		// bit 2		insert black lines
		// bit 3		unknown
		// bit 4		gamma correction
		// bit 5		hold black frame
		// bit 6		hold last frame
		// bit 7		unknown
		// bit 8		stretch

		// gammaBoost boosts palette colors in the range gammaFirst to
		// gammaLast, but only if bit 4 in flags is set. Percent value such that
		// 0% = no amplification These three parameters are optional if bit 4 is
		// clear. Also note that the x, y parameters play subtle games if used
		// with subfx 21. The subtleness has to do with creation of temporary
		// planes and positioning relative to such planes.

		int flags = argv[3].offset;
		Common::String flagspec;

		if (argc > 3) {
			if (flags & 1)
				flagspec += "doubled ";
			if (flags & 2)
				flagspec += "dropframes ";
			if (flags & 4)
				flagspec += "blacklines ";
			if (flags & 8)
				flagspec += "bit3 ";
			if (flags & 16)
				flagspec += "gammaboost ";
			if (flags & 32)
				flagspec += "holdblack ";
			if (flags & 64)
				flagspec += "holdlast ";
			if (flags & 128)
				flagspec += "bit7 ";
			if (flags & 256)
				flagspec += "stretch";

			warning("VMDFlags: %s", flagspec.c_str());
		}

		warning("x, y: %d, %d", argv[1].offset, argv[2].offset);

		if (argc > 4 && flags & 16)
			warning("gammaBoost: %d%% between palette entries %d and %d", argv[4].offset, argv[5].offset, argv[6].offset);
		break;
	}
	case 6:
		// Play, perhaps? Or stop? This is the last call made, and takes no extra parameters
	case 14:
		// Takes an additional integer parameter (e.g. 3)
	case 16:
		// Takes an additional parameter, usually 0
	case 21:
		// Looks to be setting the video size and position. Called with 4 extra integer
		// parameters (e.g. 86, 41, 235, 106)
	default:
		warningMsg = Common::String::printf("PlayVMD - unsupported subop %d. Params: %d (", operation, argc);

		for (int i = 0; i < argc; i++) {
			warningMsg +=  Common::String::printf("%04x:%04x", PRINT_REG(argv[i]));
			warningMsg += (i == argc - 1 ? ")" : ", ");
		}

		warning("%s", warningMsg.c_str());
		break;
	}

	return s->r_acc;
}

#endif

} // End of namespace Sci