testoverlay2.c
2
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
/********************************************************************************
* *
* Test of the overlay used for moved pictures, test more closed to real life. *
* Running trojan moose :) Coded by Mike Gorchak. *
* *
********************************************************************************/
#ifdef __EMSCRIPTEN__
#include <emscripten/emscripten.h>
#endif
#include "SDL.h"
25
26
#include "testyuv_cvt.h"
27
28
29
30
31
32
33
#define MOOSEPIC_W 64
#define MOOSEPIC_H 88
#define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H)
#define MOOSEFRAMES_COUNT 10
SDL_Color MooseColors[84] = {
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
{49, 49, 49, SDL_ALPHA_OPAQUE}
, {66, 24, 0, SDL_ALPHA_OPAQUE}
, {66, 33, 0, SDL_ALPHA_OPAQUE}
, {66, 66, 66, SDL_ALPHA_OPAQUE}
,
{66, 115, 49, SDL_ALPHA_OPAQUE}
, {74, 33, 0, SDL_ALPHA_OPAQUE}
, {74, 41, 16, SDL_ALPHA_OPAQUE}
, {82, 33, 8, SDL_ALPHA_OPAQUE}
,
{82, 41, 8, SDL_ALPHA_OPAQUE}
, {82, 49, 16, SDL_ALPHA_OPAQUE}
, {82, 82, 82, SDL_ALPHA_OPAQUE}
, {90, 41, 8, SDL_ALPHA_OPAQUE}
,
{90, 41, 16, SDL_ALPHA_OPAQUE}
, {90, 57, 24, SDL_ALPHA_OPAQUE}
, {99, 49, 16, SDL_ALPHA_OPAQUE}
, {99, 66, 24, SDL_ALPHA_OPAQUE}
,
{99, 66, 33, SDL_ALPHA_OPAQUE}
, {99, 74, 33, SDL_ALPHA_OPAQUE}
, {107, 57, 24, SDL_ALPHA_OPAQUE}
, {107, 82, 41, SDL_ALPHA_OPAQUE}
,
{115, 57, 33, SDL_ALPHA_OPAQUE}
, {115, 66, 33, SDL_ALPHA_OPAQUE}
, {115, 66, 41, SDL_ALPHA_OPAQUE}
, {115, 74, 0, SDL_ALPHA_OPAQUE}
,
{115, 90, 49, SDL_ALPHA_OPAQUE}
, {115, 115, 115, SDL_ALPHA_OPAQUE}
, {123, 82, 0, SDL_ALPHA_OPAQUE}
, {123, 99, 57, SDL_ALPHA_OPAQUE}
,
{132, 66, 41, SDL_ALPHA_OPAQUE}
, {132, 74, 41, SDL_ALPHA_OPAQUE}
, {132, 90, 8, SDL_ALPHA_OPAQUE}
, {132, 99, 33, SDL_ALPHA_OPAQUE}
,
{132, 99, 66, SDL_ALPHA_OPAQUE}
, {132, 107, 66, SDL_ALPHA_OPAQUE}
, {140, 74, 49, SDL_ALPHA_OPAQUE}
, {140, 99, 16, SDL_ALPHA_OPAQUE}
,
{140, 107, 74, SDL_ALPHA_OPAQUE}
, {140, 115, 74, SDL_ALPHA_OPAQUE}
, {148, 107, 24, SDL_ALPHA_OPAQUE}
, {148, 115, 82, SDL_ALPHA_OPAQUE}
,
{148, 123, 74, SDL_ALPHA_OPAQUE}
, {148, 123, 90, SDL_ALPHA_OPAQUE}
, {156, 115, 33, SDL_ALPHA_OPAQUE}
, {156, 115, 90, SDL_ALPHA_OPAQUE}
,
{156, 123, 82, SDL_ALPHA_OPAQUE}
, {156, 132, 82, SDL_ALPHA_OPAQUE}
, {156, 132, 99, SDL_ALPHA_OPAQUE}
, {156, 156, 156, SDL_ALPHA_OPAQUE}
,
{165, 123, 49, SDL_ALPHA_OPAQUE}
, {165, 123, 90, SDL_ALPHA_OPAQUE}
, {165, 132, 82, SDL_ALPHA_OPAQUE}
, {165, 132, 90, SDL_ALPHA_OPAQUE}
,
{165, 132, 99, SDL_ALPHA_OPAQUE}
, {165, 140, 90, SDL_ALPHA_OPAQUE}
, {173, 132, 57, SDL_ALPHA_OPAQUE}
, {173, 132, 99, SDL_ALPHA_OPAQUE}
,
{173, 140, 107, SDL_ALPHA_OPAQUE}
, {173, 140, 115, SDL_ALPHA_OPAQUE}
, {173, 148, 99, SDL_ALPHA_OPAQUE}
, {173, 173, 173, SDL_ALPHA_OPAQUE}
,
{181, 140, 74, SDL_ALPHA_OPAQUE}
, {181, 148, 115, SDL_ALPHA_OPAQUE}
, {181, 148, 123, SDL_ALPHA_OPAQUE}
, {181, 156, 107, SDL_ALPHA_OPAQUE}
,
{189, 148, 123, SDL_ALPHA_OPAQUE}
, {189, 156, 82, SDL_ALPHA_OPAQUE}
, {189, 156, 123, SDL_ALPHA_OPAQUE}
, {189, 156, 132, SDL_ALPHA_OPAQUE}
,
{189, 189, 189, SDL_ALPHA_OPAQUE}
, {198, 156, 123, SDL_ALPHA_OPAQUE}
, {198, 165, 132, SDL_ALPHA_OPAQUE}
, {206, 165, 99, SDL_ALPHA_OPAQUE}
,
{206, 165, 132, SDL_ALPHA_OPAQUE}
, {206, 173, 140, SDL_ALPHA_OPAQUE}
, {206, 206, 206, SDL_ALPHA_OPAQUE}
, {214, 173, 115, SDL_ALPHA_OPAQUE}
,
{214, 173, 140, SDL_ALPHA_OPAQUE}
, {222, 181, 148, SDL_ALPHA_OPAQUE}
, {222, 189, 132, SDL_ALPHA_OPAQUE}
, {222, 189, 156, SDL_ALPHA_OPAQUE}
,
{222, 222, 222, SDL_ALPHA_OPAQUE}
, {231, 198, 165, SDL_ALPHA_OPAQUE}
, {231, 231, 231, SDL_ALPHA_OPAQUE}
, {239, 206, 173, SDL_ALPHA_OPAQUE}
138
139
140
141
142
143
144
145
146
147
148
149
};
Uint8 MooseFrame[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE*2];
SDL_Texture *MooseTexture;
SDL_Rect displayrect;
int window_w;
int window_h;
SDL_Window *window;
SDL_Renderer *renderer;
int paused = 0;
int i;
SDL_bool done = SDL_FALSE;
150
static int fpsdelay;
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
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
quit(int rc)
{
SDL_Quit();
exit(rc);
}
static void
PrintUsage(char *argv0)
{
SDL_Log("Usage: %s [arg] [arg] [arg] ...\n", argv0);
SDL_Log("\n");
SDL_Log("Where 'arg' is any of the following options:\n");
SDL_Log("\n");
SDL_Log(" -fps <frames per second>\n");
SDL_Log(" -nodelay\n");
SDL_Log(" -format <fmt> (one of the: YV12, IYUV, YUY2, UYVY, YVYU)\n");
SDL_Log(" -scale <scale factor> (initial scale of the overlay)\n");
SDL_Log(" -help (shows this help)\n");
SDL_Log("\n");
SDL_Log("Press ESC to exit, or SPACE to freeze the movie while application running.\n");
SDL_Log("\n");
}
void
loop()
{
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_WINDOWEVENT:
if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
SDL_RenderSetViewport(renderer, NULL);
displayrect.w = window_w = event.window.data1;
displayrect.h = window_h = event.window.data2;
}
break;
case SDL_MOUSEBUTTONDOWN:
displayrect.x = event.button.x - window_w / 2;
displayrect.y = event.button.y - window_h / 2;
break;
case SDL_MOUSEMOTION:
if (event.motion.state) {
displayrect.x = event.motion.x - window_w / 2;
displayrect.y = event.motion.y - window_h / 2;
}
break;
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_SPACE) {
paused = !paused;
break;
}
if (event.key.keysym.sym != SDLK_ESCAPE) {
break;
}
case SDL_QUIT:
done = SDL_TRUE;
break;
}
}
#ifndef __EMSCRIPTEN__
SDL_Delay(fpsdelay);
#endif
if (!paused) {
i = (i + 1) % MOOSEFRAMES_COUNT;
222
SDL_UpdateTexture(MooseTexture, NULL, MooseFrame[i], MOOSEPIC_W);
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
}
SDL_RenderClear(renderer);
SDL_RenderCopy(renderer, MooseTexture, NULL, &displayrect);
SDL_RenderPresent(renderer);
#ifdef __EMSCRIPTEN__
if (done) {
emscripten_cancel_main_loop();
}
#endif
}
int
main(int argc, char **argv)
{
Uint8 *RawMooseData;
SDL_RWops *handle;
SDL_Window *window;
int j;
int fps = 12;
int nodelay = 0;
int scale = 5;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
return 3;
}
while (argc > 1) {
255
if (SDL_strcmp(argv[1], "-fps") == 0) {
256
if (argv[2]) {
257
fps = SDL_atoi(argv[2]);
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
if (fps == 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"The -fps option requires an argument [from 1 to 1000], default is 12.\n");
quit(10);
}
if ((fps < 0) || (fps > 1000)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"The -fps option must be in range from 1 to 1000, default is 12.\n");
quit(10);
}
argv += 2;
argc -= 2;
} else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"The -fps option requires an argument [from 1 to 1000], default is 12.\n");
quit(10);
}
275
} else if (SDL_strcmp(argv[1], "-nodelay") == 0) {
276
277
278
nodelay = 1;
argv += 1;
argc -= 1;
279
} else if (SDL_strcmp(argv[1], "-scale") == 0) {
280
if (argv[2]) {
281
scale = SDL_atoi(argv[2]);
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
if (scale == 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"The -scale option requires an argument [from 1 to 50], default is 5.\n");
quit(10);
}
if ((scale < 0) || (scale > 50)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"The -scale option must be in range from 1 to 50, default is 5.\n");
quit(10);
}
argv += 2;
argc -= 2;
} else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"The -fps option requires an argument [from 1 to 1000], default is 12.\n");
quit(10);
}
299
300
} else if ((SDL_strcmp(argv[1], "-help") == 0)
|| (SDL_strcmp(argv[1], "-h") == 0)) {
301
302
303
304
305
306
307
308
309
PrintUsage(argv[0]);
quit(0);
} else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unrecognized option: %s.\n", argv[1]);
quit(10);
}
break;
}
310
RawMooseData = (Uint8 *) SDL_malloc(MOOSEFRAME_SIZE * MOOSEFRAMES_COUNT);
311
312
313
314
315
316
317
318
319
if (RawMooseData == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Can't allocate memory for movie !\n");
quit(1);
}
/* load the trojan moose images */
handle = SDL_RWFromFile("moose.dat", "rb");
if (handle == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Can't find the file moose.dat !\n");
320
SDL_free(RawMooseData);
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
quit(2);
}
SDL_RWread(handle, RawMooseData, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT);
SDL_RWclose(handle);
/* Create the window and renderer */
window_w = MOOSEPIC_W * scale;
window_h = MOOSEPIC_H * scale;
window = SDL_CreateWindow("Happy Moose",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
window_w, window_h,
SDL_WINDOW_RESIZABLE);
if (!window) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create window: %s\n", SDL_GetError());
338
SDL_free(RawMooseData);
339
340
341
342
343
344
quit(4);
}
renderer = SDL_CreateRenderer(window, -1, 0);
if (!renderer) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create renderer: %s\n", SDL_GetError());
345
SDL_free(RawMooseData);
346
347
348
quit(4);
}
349
MooseTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_YV12, SDL_TEXTUREACCESS_STREAMING, MOOSEPIC_W, MOOSEPIC_H);
350
351
if (!MooseTexture) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
352
SDL_free(RawMooseData);
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
quit(5);
}
/* Uncomment this to check vertex color with a YUV texture */
/* SDL_SetTextureColorMod(MooseTexture, 0xff, 0x80, 0x80); */
for (i = 0; i < MOOSEFRAMES_COUNT; i++) {
Uint8 MooseFrameRGB[MOOSEFRAME_SIZE*3];
Uint8 *rgb;
Uint8 *frame;
rgb = MooseFrameRGB;
frame = RawMooseData + i * MOOSEFRAME_SIZE;
for (j = 0; j < MOOSEFRAME_SIZE; ++j) {
rgb[0] = MooseColors[frame[j]].r;
rgb[1] = MooseColors[frame[j]].g;
rgb[2] = MooseColors[frame[j]].b;
rgb += 3;
}
371
372
373
ConvertRGBtoYUV(SDL_PIXELFORMAT_YV12, MooseFrameRGB, MOOSEPIC_W*3, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H,
SDL_GetYUVConversionModeForResolution(MOOSEPIC_W, MOOSEPIC_H),
0, 100);
376
SDL_free(RawMooseData);
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
/* set the start frame */
i = 0;
if (nodelay) {
fpsdelay = 0;
} else {
fpsdelay = 1000 / fps;
}
displayrect.x = 0;
displayrect.y = 0;
displayrect.w = window_w;
displayrect.h = window_h;
/* Ignore key up events, they don't even get filtered */
SDL_EventState(SDL_KEYUP, SDL_IGNORE);
/* Loop, waiting for QUIT or RESIZE */
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop(loop, nodelay ? 0 : fps, 1);
#else
while (!done) {
loop();
}
#endif
SDL_DestroyRenderer(renderer);
quit(0);
return 0;
}
/* vi: set ts=4 sw=4 expandtab: */