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b72938c861
An existing hint lets apps that don't need the timer resolution changed avoid this, to save battery, etc, but this fixes several problems in timing, audio callbacks not firing fast enough, etc. Fixes Bugzilla #2944.
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
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Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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/* Simple test of power subsystem. */
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#include <stdio.h>
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#include "SDL.h"
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static void
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report_power(void)
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{
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int seconds, percent;
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const SDL_PowerState state = SDL_GetPowerInfo(&seconds, &percent);
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char *statestr = NULL;
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SDL_Log("SDL-reported power info...\n");
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switch (state) {
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case SDL_POWERSTATE_UNKNOWN:
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statestr = "Unknown";
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break;
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case SDL_POWERSTATE_ON_BATTERY:
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statestr = "On battery";
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break;
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case SDL_POWERSTATE_NO_BATTERY:
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statestr = "No battery";
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break;
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case SDL_POWERSTATE_CHARGING:
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statestr = "Charging";
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break;
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case SDL_POWERSTATE_CHARGED:
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statestr = "Charged";
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break;
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default:
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statestr = "!!API ERROR!!";
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break;
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}
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SDL_Log("State: %s\n", statestr);
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if (percent == -1) {
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SDL_Log("Percent left: unknown\n");
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} else {
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SDL_Log("Percent left: %d%%\n", percent);
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}
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if (seconds == -1) {
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SDL_Log("Time left: unknown\n");
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} else {
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SDL_Log("Time left: %d minutes, %d seconds\n", (int) (seconds / 60),
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(int) (seconds % 60));
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}
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}
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int
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main(int argc, char *argv[])
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{
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/* Enable standard application logging */
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SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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if (SDL_Init(0) == -1) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_Init() failed: %s\n", SDL_GetError());
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return 1;
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}
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report_power();
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SDL_Quit();
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return 0;
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}
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/* end of testpower.c ... */
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