tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2012 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24/* Initialization code for SDL */
25
26#include "SDL.h"
27#include "SDL_fatal.h"
28#if !SDL_VIDEO_DISABLED
29#include "video/SDL_leaks.h"
30#endif
31
32#if SDL_THREAD_PTH
33#include <pth.h>
34#endif
35
36/* Initialization/Cleanup routines */
37#if !SDL_JOYSTICK_DISABLED
38extern int SDL_JoystickInit(void);
39extern void SDL_JoystickQuit(void);
40#endif
41#if !SDL_CDROM_DISABLED
42extern int SDL_CDROMInit(void);
43extern void SDL_CDROMQuit(void);
44#endif
45#if !SDL_TIMERS_DISABLED
46extern void SDL_StartTicks(void);
47extern int SDL_TimerInit(void);
48extern void SDL_TimerQuit(void);
49#endif
50
51/* The current SDL version */
52static SDL_version version =
53 { SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL };
54
55/* The initialized subsystems */
56static Uint32 SDL_initialized = 0;
57#if !SDL_TIMERS_DISABLED
58static Uint32 ticks_started = 0;
59#endif
60
61#ifdef CHECK_LEAKS
62int surfaces_allocated = 0;
63#endif
64
65int SDL_InitSubSystem(Uint32 flags)
66{
67#if !SDL_TIMERS_DISABLED
68 /* Initialize the timer subsystem */
69 if ( ! ticks_started ) {
70 SDL_StartTicks();
71 ticks_started = 1;
72 }
73 if ( (flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER) ) {
74 if ( SDL_TimerInit() < 0 ) {
75 return(-1);
76 }
77 SDL_initialized |= SDL_INIT_TIMER;
78 }
79#else
80 if ( flags & SDL_INIT_TIMER ) {
81 SDL_SetError("SDL not built with timer support");
82 return(-1);
83 }
84#endif
85
86#if !SDL_VIDEO_DISABLED
87 /* Initialize the video/event subsystem */
88 if ( (flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO) ) {
89 if ( SDL_VideoInit(SDL_getenv("SDL_VIDEODRIVER"),
90 (flags&SDL_INIT_EVENTTHREAD)) < 0 ) {
91 return(-1);
92 }
93 SDL_initialized |= SDL_INIT_VIDEO;
94 }
95#else
96 if ( flags & SDL_INIT_VIDEO ) {
97 SDL_SetError("SDL not built with video support");
98 return(-1);
99 }
100#endif
101
102#if !SDL_AUDIO_DISABLED
103 /* Initialize the audio subsystem */
104 if ( (flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO) ) {
105 if ( SDL_AudioInit(SDL_getenv("SDL_AUDIODRIVER")) < 0 ) {
106 return(-1);
107 }
108 SDL_initialized |= SDL_INIT_AUDIO;
109 }
110#else
111 if ( flags & SDL_INIT_AUDIO ) {
112 SDL_SetError("SDL not built with audio support");
113 return(-1);
114 }
115#endif
116
117#if !SDL_JOYSTICK_DISABLED
118 /* Initialize the joystick subsystem */
119 if ( (flags & SDL_INIT_JOYSTICK) &&
120 !(SDL_initialized & SDL_INIT_JOYSTICK) ) {
121 if ( SDL_JoystickInit() < 0 ) {
122 return(-1);
123 }
124 SDL_initialized |= SDL_INIT_JOYSTICK;
125 }
126#else
127 if ( flags & SDL_INIT_JOYSTICK ) {
128 SDL_SetError("SDL not built with joystick support");
129 return(-1);
130 }
131#endif
132
133#if !SDL_CDROM_DISABLED
134 /* Initialize the CD-ROM subsystem */
135 if ( (flags & SDL_INIT_CDROM) && !(SDL_initialized & SDL_INIT_CDROM) ) {
136 if ( SDL_CDROMInit() < 0 ) {
137 return(-1);
138 }
139 SDL_initialized |= SDL_INIT_CDROM;
140 }
141#else
142 if ( flags & SDL_INIT_CDROM ) {
143 SDL_SetError("SDL not built with cdrom support");
144 return(-1);
145 }
146#endif
147 return(0);
148}
149
150int SDL_Init(Uint32 flags)
151{
152#if !SDL_THREADS_DISABLED && SDL_THREAD_PTH
153 if (!pth_init()) {
154 return -1;
155 }
156#endif
157
158 /* Clear the error message */
159 SDL_ClearError();
160
161 /* Initialize the desired subsystems */
162 if ( SDL_InitSubSystem(flags) < 0 ) {
163 return(-1);
164 }
165
166 /* Everything is initialized */
167 if ( !(flags & SDL_INIT_NOPARACHUTE) ) {
168 SDL_InstallParachute();
169 }
170 return(0);
171}
172
173void SDL_QuitSubSystem(Uint32 flags)
174{
175 /* Shut down requested initialized subsystems */
176#if !SDL_CDROM_DISABLED
177 if ( (flags & SDL_initialized & SDL_INIT_CDROM) ) {
178 SDL_CDROMQuit();
179 SDL_initialized &= ~SDL_INIT_CDROM;
180 }
181#endif
182#if !SDL_JOYSTICK_DISABLED
183 if ( (flags & SDL_initialized & SDL_INIT_JOYSTICK) ) {
184 SDL_JoystickQuit();
185 SDL_initialized &= ~SDL_INIT_JOYSTICK;
186 }
187#endif
188#if !SDL_AUDIO_DISABLED
189 if ( (flags & SDL_initialized & SDL_INIT_AUDIO) ) {
190 SDL_AudioQuit();
191 SDL_initialized &= ~SDL_INIT_AUDIO;
192 }
193#endif
194#if !SDL_VIDEO_DISABLED
195 if ( (flags & SDL_initialized & SDL_INIT_VIDEO) ) {
196 SDL_VideoQuit();
197 SDL_initialized &= ~SDL_INIT_VIDEO;
198 }
199#endif
200#if !SDL_TIMERS_DISABLED
201 if ( (flags & SDL_initialized & SDL_INIT_TIMER) ) {
202 SDL_TimerQuit();
203 SDL_initialized &= ~SDL_INIT_TIMER;
204 }
205#endif
206}
207
208Uint32 SDL_WasInit(Uint32 flags)
209{
210 if ( ! flags ) {
211 flags = SDL_INIT_EVERYTHING;
212 }
213 return (SDL_initialized&flags);
214}
215
216void SDL_Quit(void)
217{
218 /* Quit all subsystems */
219#ifdef DEBUG_BUILD
220 printf("[SDL_Quit] : Enter! Calling QuitSubSystem()\n"); fflush(stdout);
221#endif
222 SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
223
224#ifdef CHECK_LEAKS
225#ifdef DEBUG_BUILD
226 printf("[SDL_Quit] : CHECK_LEAKS\n"); fflush(stdout);
227#endif
228
229 /* Print the number of surfaces not freed */
230 if ( surfaces_allocated != 0 ) {
231 fprintf(stderr, "SDL Warning: %d SDL surfaces extant\n",
232 surfaces_allocated);
233 }
234#endif
235#ifdef DEBUG_BUILD
236 printf("[SDL_Quit] : SDL_UninstallParachute()\n"); fflush(stdout);
237#endif
238
239 /* Uninstall any parachute signal handlers */
240 SDL_UninstallParachute();
241
242#if !SDL_THREADS_DISABLED && SDL_THREAD_PTH
243 pth_kill();
244#endif
245#ifdef DEBUG_BUILD
246 printf("[SDL_Quit] : Returning!\n"); fflush(stdout);
247#endif
248
249}
250
251/* Return the library version number */
252const SDL_version * SDL_Linked_Version(void)
253{
254 return(&version);
255}