1 /*
2 Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
3
4 This software is provided 'as-is', without any express or implied
5 warranty. In no event will the authors be held liable for any damages
6 arising from the use of this software.
7
8 Permission is granted to anyone to use this software for any purpose,
9 including commercial applications, and to alter it and redistribute it
10 freely.
11 */
12 /********************************************************************************
13 * *
14 * Test of the overlay used for moved pictures, test more closed to real life. *
15 * Running trojan moose :) Coded by Mike Gorchak. *
16 * *
17 ********************************************************************************/
18
19 #include <stdlib.h>
20
21 #ifdef __EMSCRIPTEN__
22 #include <emscripten/emscripten.h>
23 #endif
24
25 #include "SDL.h"
26
27 #include "testyuv_cvt.h"
28
29 #define MOOSEPIC_W 64
30 #define MOOSEPIC_H 88
31
32 #define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H)
33 #define MOOSEFRAMES_COUNT 10
34
35 SDL_Color MooseColors[84] = {
36 {49, 49, 49, SDL_ALPHA_OPAQUE}
37 , {66, 24, 0, SDL_ALPHA_OPAQUE}
38 , {66, 33, 0, SDL_ALPHA_OPAQUE}
39 , {66, 66, 66, SDL_ALPHA_OPAQUE}
40 ,
41 {66, 115, 49, SDL_ALPHA_OPAQUE}
42 , {74, 33, 0, SDL_ALPHA_OPAQUE}
43 , {74, 41, 16, SDL_ALPHA_OPAQUE}
44 , {82, 33, 8, SDL_ALPHA_OPAQUE}
45 ,
46 {82, 41, 8, SDL_ALPHA_OPAQUE}
47 , {82, 49, 16, SDL_ALPHA_OPAQUE}
48 , {82, 82, 82, SDL_ALPHA_OPAQUE}
49 , {90, 41, 8, SDL_ALPHA_OPAQUE}
50 ,
51 {90, 41, 16, SDL_ALPHA_OPAQUE}
52 , {90, 57, 24, SDL_ALPHA_OPAQUE}
53 , {99, 49, 16, SDL_ALPHA_OPAQUE}
54 , {99, 66, 24, SDL_ALPHA_OPAQUE}
55 ,
56 {99, 66, 33, SDL_ALPHA_OPAQUE}
57 , {99, 74, 33, SDL_ALPHA_OPAQUE}
58 , {107, 57, 24, SDL_ALPHA_OPAQUE}
59 , {107, 82, 41, SDL_ALPHA_OPAQUE}
60 ,
61 {115, 57, 33, SDL_ALPHA_OPAQUE}
62 , {115, 66, 33, SDL_ALPHA_OPAQUE}
63 , {115, 66, 41, SDL_ALPHA_OPAQUE}
64 , {115, 74, 0, SDL_ALPHA_OPAQUE}
65 ,
66 {115, 90, 49, SDL_ALPHA_OPAQUE}
67 , {115, 115, 115, SDL_ALPHA_OPAQUE}
68 , {123, 82, 0, SDL_ALPHA_OPAQUE}
69 , {123, 99, 57, SDL_ALPHA_OPAQUE}
70 ,
71 {132, 66, 41, SDL_ALPHA_OPAQUE}
72 , {132, 74, 41, SDL_ALPHA_OPAQUE}
73 , {132, 90, 8, SDL_ALPHA_OPAQUE}
74 , {132, 99, 33, SDL_ALPHA_OPAQUE}
75 ,
76 {132, 99, 66, SDL_ALPHA_OPAQUE}
77 , {132, 107, 66, SDL_ALPHA_OPAQUE}
78 , {140, 74, 49, SDL_ALPHA_OPAQUE}
79 , {140, 99, 16, SDL_ALPHA_OPAQUE}
80 ,
81 {140, 107, 74, SDL_ALPHA_OPAQUE}
82 , {140, 115, 74, SDL_ALPHA_OPAQUE}
83 , {148, 107, 24, SDL_ALPHA_OPAQUE}
84 , {148, 115, 82, SDL_ALPHA_OPAQUE}
85 ,
86 {148, 123, 74, SDL_ALPHA_OPAQUE}
87 , {148, 123, 90, SDL_ALPHA_OPAQUE}
88 , {156, 115, 33, SDL_ALPHA_OPAQUE}
89 , {156, 115, 90, SDL_ALPHA_OPAQUE}
90 ,
91 {156, 123, 82, SDL_ALPHA_OPAQUE}
92 , {156, 132, 82, SDL_ALPHA_OPAQUE}
93 , {156, 132, 99, SDL_ALPHA_OPAQUE}
94 , {156, 156, 156, SDL_ALPHA_OPAQUE}
95 ,
96 {165, 123, 49, SDL_ALPHA_OPAQUE}
97 , {165, 123, 90, SDL_ALPHA_OPAQUE}
98 , {165, 132, 82, SDL_ALPHA_OPAQUE}
99 , {165, 132, 90, SDL_ALPHA_OPAQUE}
100 ,
101 {165, 132, 99, SDL_ALPHA_OPAQUE}
102 , {165, 140, 90, SDL_ALPHA_OPAQUE}
103 , {173, 132, 57, SDL_ALPHA_OPAQUE}
104 , {173, 132, 99, SDL_ALPHA_OPAQUE}
105 ,
106 {173, 140, 107, SDL_ALPHA_OPAQUE}
107 , {173, 140, 115, SDL_ALPHA_OPAQUE}
108 , {173, 148, 99, SDL_ALPHA_OPAQUE}
109 , {173, 173, 173, SDL_ALPHA_OPAQUE}
110 ,
111 {181, 140, 74, SDL_ALPHA_OPAQUE}
112 , {181, 148, 115, SDL_ALPHA_OPAQUE}
113 , {181, 148, 123, SDL_ALPHA_OPAQUE}
114 , {181, 156, 107, SDL_ALPHA_OPAQUE}
115 ,
116 {189, 148, 123, SDL_ALPHA_OPAQUE}
117 , {189, 156, 82, SDL_ALPHA_OPAQUE}
118 , {189, 156, 123, SDL_ALPHA_OPAQUE}
119 , {189, 156, 132, SDL_ALPHA_OPAQUE}
120 ,
121 {189, 189, 189, SDL_ALPHA_OPAQUE}
122 , {198, 156, 123, SDL_ALPHA_OPAQUE}
123 , {198, 165, 132, SDL_ALPHA_OPAQUE}
124 , {206, 165, 99, SDL_ALPHA_OPAQUE}
125 ,
126 {206, 165, 132, SDL_ALPHA_OPAQUE}
127 , {206, 173, 140, SDL_ALPHA_OPAQUE}
128 , {206, 206, 206, SDL_ALPHA_OPAQUE}
129 , {214, 173, 115, SDL_ALPHA_OPAQUE}
130 ,
131 {214, 173, 140, SDL_ALPHA_OPAQUE}
132 , {222, 181, 148, SDL_ALPHA_OPAQUE}
133 , {222, 189, 132, SDL_ALPHA_OPAQUE}
134 , {222, 189, 156, SDL_ALPHA_OPAQUE}
135 ,
136 {222, 222, 222, SDL_ALPHA_OPAQUE}
137 , {231, 198, 165, SDL_ALPHA_OPAQUE}
138 , {231, 231, 231, SDL_ALPHA_OPAQUE}
139 , {239, 206, 173, SDL_ALPHA_OPAQUE}
140 };
141
142 Uint8 MooseFrame[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE*2];
143 SDL_Texture *MooseTexture;
144 SDL_Rect displayrect;
145 int window_w;
146 int window_h;
147 SDL_Window *window;
148 SDL_Renderer *renderer;
149 int paused = 0;
150 int i;
151 SDL_bool done = SDL_FALSE;
152 static int fpsdelay;
153
154 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
155 static void
quit(int rc)156 quit(int rc)
157 {
158 SDL_Quit();
159 exit(rc);
160 }
161
162 static void
PrintUsage(char * argv0)163 PrintUsage(char *argv0)
164 {
165 SDL_Log("Usage: %s [arg] [arg] [arg] ...\n", argv0);
166 SDL_Log("\n");
167 SDL_Log("Where 'arg' is any of the following options:\n");
168 SDL_Log("\n");
169 SDL_Log(" -fps <frames per second>\n");
170 SDL_Log(" -nodelay\n");
171 SDL_Log(" -format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n");
172 SDL_Log(" -scale <scale factor> (initial scale of the overlay)\n");
173 SDL_Log(" -help (shows this help)\n");
174 SDL_Log("\n");
175 SDL_Log("Press ESC to exit, or SPACE to freeze the movie while application running.\n");
176 SDL_Log("\n");
177 }
178
179 void
loop()180 loop()
181 {
182 SDL_Event event;
183
184 while (SDL_PollEvent(&event)) {
185 switch (event.type) {
186 case SDL_WINDOWEVENT:
187 if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
188 SDL_RenderSetViewport(renderer, NULL);
189 displayrect.w = window_w = event.window.data1;
190 displayrect.h = window_h = event.window.data2;
191 }
192 break;
193 case SDL_MOUSEBUTTONDOWN:
194 displayrect.x = event.button.x - window_w / 2;
195 displayrect.y = event.button.y - window_h / 2;
196 break;
197 case SDL_MOUSEMOTION:
198 if (event.motion.state) {
199 displayrect.x = event.motion.x - window_w / 2;
200 displayrect.y = event.motion.y - window_h / 2;
201 }
202 break;
203 case SDL_KEYDOWN:
204 if (event.key.keysym.sym == SDLK_SPACE) {
205 paused = !paused;
206 break;
207 }
208 if (event.key.keysym.sym != SDLK_ESCAPE) {
209 break;
210 }
211 case SDL_QUIT:
212 done = SDL_TRUE;
213 break;
214 }
215 }
216
217 #ifndef __EMSCRIPTEN__
218 SDL_Delay(fpsdelay);
219 #endif
220
221 if (!paused) {
222 i = (i + 1) % MOOSEFRAMES_COUNT;
223
224 SDL_UpdateTexture(MooseTexture, NULL, MooseFrame[i], MOOSEPIC_W);
225 }
226 SDL_RenderClear(renderer);
227 SDL_RenderCopy(renderer, MooseTexture, NULL, &displayrect);
228 SDL_RenderPresent(renderer);
229
230 #ifdef __EMSCRIPTEN__
231 if (done) {
232 emscripten_cancel_main_loop();
233 }
234 #endif
235 }
236
237 int
main(int argc,char ** argv)238 main(int argc, char **argv)
239 {
240 Uint8 *RawMooseData;
241 SDL_RWops *handle;
242 SDL_Window *window;
243 int j;
244 int fps = 12;
245 int nodelay = 0;
246 int scale = 5;
247
248 /* Enable standard application logging */
249 SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
250
251 if (SDL_Init(SDL_INIT_VIDEO) < 0) {
252 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
253 return 3;
254 }
255
256 while (argc > 1) {
257 if (SDL_strcmp(argv[1], "-fps") == 0) {
258 if (argv[2]) {
259 fps = SDL_atoi(argv[2]);
260 if (fps == 0) {
261 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
262 "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
263 quit(10);
264 }
265 if ((fps < 0) || (fps > 1000)) {
266 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
267 "The -fps option must be in range from 1 to 1000, default is 12.\n");
268 quit(10);
269 }
270 argv += 2;
271 argc -= 2;
272 } else {
273 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
274 "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
275 quit(10);
276 }
277 } else if (SDL_strcmp(argv[1], "-nodelay") == 0) {
278 nodelay = 1;
279 argv += 1;
280 argc -= 1;
281 } else if (SDL_strcmp(argv[1], "-scale") == 0) {
282 if (argv[2]) {
283 scale = SDL_atoi(argv[2]);
284 if (scale == 0) {
285 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
286 "The -scale option requires an argument [from 1 to 50], default is 5.\n");
287 quit(10);
288 }
289 if ((scale < 0) || (scale > 50)) {
290 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
291 "The -scale option must be in range from 1 to 50, default is 5.\n");
292 quit(10);
293 }
294 argv += 2;
295 argc -= 2;
296 } else {
297 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
298 "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
299 quit(10);
300 }
301 } else if ((SDL_strcmp(argv[1], "-help") == 0)
302 || (SDL_strcmp(argv[1], "-h") == 0)) {
303 PrintUsage(argv[0]);
304 quit(0);
305 } else {
306 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unrecognized option: %s.\n", argv[1]);
307 quit(10);
308 }
309 break;
310 }
311
312 RawMooseData = (Uint8 *) SDL_malloc(MOOSEFRAME_SIZE * MOOSEFRAMES_COUNT);
313 if (RawMooseData == NULL) {
314 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Can't allocate memory for movie !\n");
315 quit(1);
316 }
317
318 /* load the trojan moose images */
319 handle = SDL_RWFromFile("moose.dat", "rb");
320 if (handle == NULL) {
321 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Can't find the file moose.dat !\n");
322 SDL_free(RawMooseData);
323 quit(2);
324 }
325
326 SDL_RWread(handle, RawMooseData, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT);
327
328 SDL_RWclose(handle);
329
330 /* Create the window and renderer */
331 window_w = MOOSEPIC_W * scale;
332 window_h = MOOSEPIC_H * scale;
333 window = SDL_CreateWindow("Happy Moose",
334 SDL_WINDOWPOS_UNDEFINED,
335 SDL_WINDOWPOS_UNDEFINED,
336 window_w, window_h,
337 SDL_WINDOW_RESIZABLE);
338 if (!window) {
339 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create window: %s\n", SDL_GetError());
340 SDL_free(RawMooseData);
341 quit(4);
342 }
343
344 renderer = SDL_CreateRenderer(window, -1, 0);
345 if (!renderer) {
346 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create renderer: %s\n", SDL_GetError());
347 SDL_free(RawMooseData);
348 quit(4);
349 }
350
351 MooseTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_YV12, SDL_TEXTUREACCESS_STREAMING, MOOSEPIC_W, MOOSEPIC_H);
352 if (!MooseTexture) {
353 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
354 SDL_free(RawMooseData);
355 quit(5);
356 }
357 /* Uncomment this to check vertex color with a YUV texture */
358 /* SDL_SetTextureColorMod(MooseTexture, 0xff, 0x80, 0x80); */
359
360 for (i = 0; i < MOOSEFRAMES_COUNT; i++) {
361 Uint8 MooseFrameRGB[MOOSEFRAME_SIZE*3];
362 Uint8 *rgb;
363 Uint8 *frame;
364
365 rgb = MooseFrameRGB;
366 frame = RawMooseData + i * MOOSEFRAME_SIZE;
367 for (j = 0; j < MOOSEFRAME_SIZE; ++j) {
368 rgb[0] = MooseColors[frame[j]].r;
369 rgb[1] = MooseColors[frame[j]].g;
370 rgb[2] = MooseColors[frame[j]].b;
371 rgb += 3;
372 }
373 ConvertRGBtoYUV(SDL_PIXELFORMAT_YV12, MooseFrameRGB, MOOSEPIC_W*3, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H,
374 SDL_GetYUVConversionModeForResolution(MOOSEPIC_W, MOOSEPIC_H),
375 0, 100);
376 }
377
378 SDL_free(RawMooseData);
379
380 /* set the start frame */
381 i = 0;
382 if (nodelay) {
383 fpsdelay = 0;
384 } else {
385 fpsdelay = 1000 / fps;
386 }
387
388 displayrect.x = 0;
389 displayrect.y = 0;
390 displayrect.w = window_w;
391 displayrect.h = window_h;
392
393 /* Ignore key up events, they don't even get filtered */
394 SDL_EventState(SDL_KEYUP, SDL_IGNORE);
395
396 /* Loop, waiting for QUIT or RESIZE */
397 #ifdef __EMSCRIPTEN__
398 emscripten_set_main_loop(loop, nodelay ? 0 : fps, 1);
399 #else
400 while (!done) {
401 loop();
402 }
403 #endif
404
405 SDL_DestroyRenderer(renderer);
406 quit(0);
407 return 0;
408 }
409
410 /* vi: set ts=4 sw=4 expandtab: */
411