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author | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
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committer | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
commit | a546c7006355a7bd1df4267ee53d0bfa2c017c8c (patch) | |
tree | 01be0bf6c0d6968e1468ec9661fd52110f9b05a7 /distrib/sdl-1.2.15/test/loopwave.c | |
parent | baf3d7830396202df5cc47bd7bcee109c319cdb3 (diff) | |
parent | 0f809250987b64f491bd3b4b73c0f0d33036a786 (diff) | |
download | external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.zip external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.gz external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.bz2 |
Merge branch 'jb-mr1-release' of https://android.googlesource.com/platform/external/qemu into mr1-staging
Change-Id: I8a4a71ac65b08e6e17f26c942f67a15b85211115
Diffstat (limited to 'distrib/sdl-1.2.15/test/loopwave.c')
-rw-r--r-- | distrib/sdl-1.2.15/test/loopwave.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/test/loopwave.c b/distrib/sdl-1.2.15/test/loopwave.c new file mode 100644 index 0000000..e1df747 --- /dev/null +++ b/distrib/sdl-1.2.15/test/loopwave.c @@ -0,0 +1,114 @@ + +/* Program to load a wave file and loop playing it using SDL sound */ + +/* loopwaves.c is much more robust in handling WAVE files -- + This is only for simple WAVEs +*/ +#include "SDL_config.h" + +#include <stdio.h> +#include <stdlib.h> + +#if HAVE_SIGNAL_H +#include <signal.h> +#endif + +#include "SDL.h" +#include "SDL_audio.h" + +struct { + SDL_AudioSpec spec; + Uint8 *sound; /* Pointer to wave data */ + Uint32 soundlen; /* Length of wave data */ + int soundpos; /* Current play position */ +} wave; + + +/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ +static void quit(int rc) +{ + SDL_Quit(); + exit(rc); +} + + +void SDLCALL fillerup(void *unused, Uint8 *stream, int len) +{ + Uint8 *waveptr; + int waveleft; + + /* Set up the pointers */ + waveptr = wave.sound + wave.soundpos; + waveleft = wave.soundlen - wave.soundpos; + + /* Go! */ + while ( waveleft <= len ) { + SDL_memcpy(stream, waveptr, waveleft); + stream += waveleft; + len -= waveleft; + waveptr = wave.sound; + waveleft = wave.soundlen; + wave.soundpos = 0; + } + SDL_memcpy(stream, waveptr, len); + wave.soundpos += len; +} + +static int done = 0; +void poked(int sig) +{ + done = 1; +} + +int main(int argc, char *argv[]) +{ + char name[32]; + + /* Load the SDL library */ + if ( SDL_Init(SDL_INIT_AUDIO) < 0 ) { + fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); + return(1); + } + if ( argv[1] == NULL ) { + argv[1] = "sample.wav"; + } + /* Load the wave file into memory */ + if ( SDL_LoadWAV(argv[1], + &wave.spec, &wave.sound, &wave.soundlen) == NULL ) { + fprintf(stderr, "Couldn't load %s: %s\n", + argv[1], SDL_GetError()); + quit(1); + } + + wave.spec.callback = fillerup; +#if HAVE_SIGNAL_H + /* Set the signals */ +#ifdef SIGHUP + signal(SIGHUP, poked); +#endif + signal(SIGINT, poked); +#ifdef SIGQUIT + signal(SIGQUIT, poked); +#endif + signal(SIGTERM, poked); +#endif /* HAVE_SIGNAL_H */ + + /* Initialize fillerup() variables */ + if ( SDL_OpenAudio(&wave.spec, NULL) < 0 ) { + fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError()); + SDL_FreeWAV(wave.sound); + quit(2); + } + SDL_PauseAudio(0); + + /* Let the audio run */ + printf("Using audio driver: %s\n", SDL_AudioDriverName(name, 32)); + while ( ! done && (SDL_GetAudioStatus() == SDL_AUDIO_PLAYING) ) + SDL_Delay(1000); + + /* Clean up on signal */ + SDL_CloseAudio(); + SDL_FreeWAV(wave.sound); + SDL_Quit(); + return(0); +} |