Mercurial > sdl-ios-xcode
annotate test/loopwave.c @ 1208:d90b362628ea
From: "alan buckley" <alan_baa@hotmail.com>
Subject: Patch for RISC OS cursor palette handling in SDL
Date: Mon, 07 Nov 2005 09:14:15 -0800
The mouse cursor palette was not correctly
restored on RISC OS if the system was using
anything but the default mouse colours.
Additionally I've modifed the order the wait
for vsync is called as it should be after the
screen bank switching.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 23 Dec 2005 09:40:15 +0000 |
| parents | be9c9c8f6d53 |
| children | 0394f8ebc42d |
| rev | line source |
|---|---|
| 0 | 1 |
| 2 /* Program to load a wave file and loop playing it using SDL sound */ | |
| 3 | |
| 4 /* loopwaves.c is much more robust in handling WAVE files -- | |
| 5 This is only for simple WAVEs | |
| 6 */ | |
| 7 | |
| 8 #include <stdio.h> | |
| 9 #include <stdlib.h> | |
| 10 #include <signal.h> | |
| 11 | |
| 12 #include "SDL.h" | |
| 13 #include "SDL_audio.h" | |
| 14 | |
| 15 struct { | |
| 16 SDL_AudioSpec spec; | |
| 17 Uint8 *sound; /* Pointer to wave data */ | |
| 18 Uint32 soundlen; /* Length of wave data */ | |
| 19 int soundpos; /* Current play position */ | |
| 20 } wave; | |
| 21 | |
|
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
22 |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
23 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
24 static void quit(int rc) |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
25 { |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
26 SDL_Quit(); |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
27 exit(rc); |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
28 } |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
29 |
|
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
30 |
| 0 | 31 void fillerup(void *unused, Uint8 *stream, int len) |
| 32 { | |
| 33 Uint8 *waveptr; | |
| 34 int waveleft; | |
| 35 | |
| 36 /* Set up the pointers */ | |
| 37 waveptr = wave.sound + wave.soundpos; | |
| 38 waveleft = wave.soundlen - wave.soundpos; | |
| 39 | |
| 40 /* Go! */ | |
| 41 while ( waveleft <= len ) { | |
| 42 SDL_MixAudio(stream, waveptr, waveleft, SDL_MIX_MAXVOLUME); | |
| 43 stream += waveleft; | |
| 44 len -= waveleft; | |
| 45 waveptr = wave.sound; | |
| 46 waveleft = wave.soundlen; | |
| 47 wave.soundpos = 0; | |
| 48 } | |
| 49 SDL_MixAudio(stream, waveptr, len, SDL_MIX_MAXVOLUME); | |
| 50 wave.soundpos += len; | |
| 51 } | |
| 52 | |
| 53 static int done = 0; | |
| 54 void poked(int sig) | |
| 55 { | |
| 56 done = 1; | |
| 57 } | |
| 58 | |
| 59 int main(int argc, char *argv[]) | |
| 60 { | |
| 61 char name[32]; | |
| 62 | |
| 63 /* Load the SDL library */ | |
| 64 if ( SDL_Init(SDL_INIT_AUDIO) < 0 ) { | |
| 65 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); | |
|
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
66 return(1); |
| 0 | 67 } |
| 68 | |
| 69 if ( argv[1] == NULL ) { | |
| 70 fprintf(stderr, "Usage: %s <wavefile>\n", argv[0]); | |
|
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
71 quit(1); |
| 0 | 72 } |
| 73 | |
| 74 /* Load the wave file into memory */ | |
| 75 if ( SDL_LoadWAV(argv[1], | |
| 76 &wave.spec, &wave.sound, &wave.soundlen) == NULL ) { | |
| 77 fprintf(stderr, "Couldn't load %s: %s\n", | |
| 78 argv[1], SDL_GetError()); | |
|
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
79 quit(1); |
| 0 | 80 } |
| 81 wave.spec.callback = fillerup; | |
| 82 | |
| 83 /* Set the signals */ | |
| 84 #ifdef SIGHUP | |
| 85 signal(SIGHUP, poked); | |
| 86 #endif | |
| 87 signal(SIGINT, poked); | |
| 88 #ifdef SIGQUIT | |
| 89 signal(SIGQUIT, poked); | |
| 90 #endif | |
| 91 signal(SIGTERM, poked); | |
| 92 | |
| 93 /* Initialize fillerup() variables */ | |
| 94 if ( SDL_OpenAudio(&wave.spec, NULL) < 0 ) { | |
| 95 fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError()); | |
| 96 SDL_FreeWAV(wave.sound); | |
|
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
97 quit(2); |
| 0 | 98 } |
| 99 SDL_PauseAudio(0); | |
| 100 | |
| 101 /* Let the audio run */ | |
| 102 printf("Using audio driver: %s\n", SDL_AudioDriverName(name, 32)); | |
| 103 while ( ! done && (SDL_GetAudioStatus() == SDL_AUDIO_PLAYING) ) | |
| 104 SDL_Delay(1000); | |
| 105 | |
| 106 /* Clean up on signal */ | |
| 107 SDL_CloseAudio(); | |
| 108 SDL_FreeWAV(wave.sound); | |
|
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
109 SDL_Quit(); |
| 0 | 110 return(0); |
| 111 } |