Mercurial > sdl-ios-xcode
diff src/audio/disk/SDL_diskaudio.c @ 1895:c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 10 Jul 2006 21:04:37 +0000 |
parents | c439dad53df8 |
children | 5f6550e5184f 37c9c4590689 |
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--- a/src/audio/disk/SDL_diskaudio.c Thu Jul 06 18:01:37 2006 +0000 +++ b/src/audio/disk/SDL_diskaudio.c Mon Jul 10 21:04:37 2006 +0000 @@ -47,140 +47,149 @@ #define DISKDEFAULT_WRITEDELAY 150 /* Audio driver functions */ -static int DISKAUD_OpenAudio(_THIS, SDL_AudioSpec *spec); +static int DISKAUD_OpenAudio(_THIS, SDL_AudioSpec * spec); static void DISKAUD_WaitAudio(_THIS); static void DISKAUD_PlayAudio(_THIS); static Uint8 *DISKAUD_GetAudioBuf(_THIS); static void DISKAUD_CloseAudio(_THIS); -static const char *DISKAUD_GetOutputFilename(void) +static const char * +DISKAUD_GetOutputFilename(void) { - const char *envr = SDL_getenv(DISKENVR_OUTFILE); - return((envr != NULL) ? envr : DISKDEFAULT_OUTFILE); + const char *envr = SDL_getenv(DISKENVR_OUTFILE); + return ((envr != NULL) ? envr : DISKDEFAULT_OUTFILE); } /* Audio driver bootstrap functions */ -static int DISKAUD_Available(void) +static int +DISKAUD_Available(void) { - const char *envr = SDL_getenv("SDL_AUDIODRIVER"); - if (envr && (SDL_strcmp(envr, DISKAUD_DRIVER_NAME) == 0)) { - return(1); - } - return(0); + const char *envr = SDL_getenv("SDL_AUDIODRIVER"); + if (envr && (SDL_strcmp(envr, DISKAUD_DRIVER_NAME) == 0)) { + return (1); + } + return (0); } -static void DISKAUD_DeleteDevice(SDL_AudioDevice *device) +static void +DISKAUD_DeleteDevice(SDL_AudioDevice * device) { - SDL_free(device->hidden); - SDL_free(device); + SDL_free(device->hidden); + SDL_free(device); } -static SDL_AudioDevice *DISKAUD_CreateDevice(int devindex) +static SDL_AudioDevice * +DISKAUD_CreateDevice(int devindex) { - SDL_AudioDevice *this; - const char *envr; + SDL_AudioDevice *this; + const char *envr; - /* Initialize all variables that we clean on shutdown */ - this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice)); - if ( this ) { - SDL_memset(this, 0, (sizeof *this)); - this->hidden = (struct SDL_PrivateAudioData *) - SDL_malloc((sizeof *this->hidden)); - } - if ( (this == NULL) || (this->hidden == NULL) ) { - SDL_OutOfMemory(); - if ( this ) { - SDL_free(this); - } - return(0); - } - SDL_memset(this->hidden, 0, (sizeof *this->hidden)); + /* Initialize all variables that we clean on shutdown */ + this = (SDL_AudioDevice *) SDL_malloc(sizeof(SDL_AudioDevice)); + if (this) { + SDL_memset(this, 0, (sizeof *this)); + this->hidden = (struct SDL_PrivateAudioData *) + SDL_malloc((sizeof *this->hidden)); + } + if ((this == NULL) || (this->hidden == NULL)) { + SDL_OutOfMemory(); + if (this) { + SDL_free(this); + } + return (0); + } + SDL_memset(this->hidden, 0, (sizeof *this->hidden)); - envr = SDL_getenv(DISKENVR_WRITEDELAY); - this->hidden->write_delay = (envr) ? SDL_atoi(envr) : DISKDEFAULT_WRITEDELAY; + envr = SDL_getenv(DISKENVR_WRITEDELAY); + this->hidden->write_delay = + (envr) ? SDL_atoi(envr) : DISKDEFAULT_WRITEDELAY; - /* Set the function pointers */ - this->OpenAudio = DISKAUD_OpenAudio; - this->WaitAudio = DISKAUD_WaitAudio; - this->PlayAudio = DISKAUD_PlayAudio; - this->GetAudioBuf = DISKAUD_GetAudioBuf; - this->CloseAudio = DISKAUD_CloseAudio; + /* Set the function pointers */ + this->OpenAudio = DISKAUD_OpenAudio; + this->WaitAudio = DISKAUD_WaitAudio; + this->PlayAudio = DISKAUD_PlayAudio; + this->GetAudioBuf = DISKAUD_GetAudioBuf; + this->CloseAudio = DISKAUD_CloseAudio; - this->free = DISKAUD_DeleteDevice; + this->free = DISKAUD_DeleteDevice; - return this; + return this; } AudioBootStrap DISKAUD_bootstrap = { - DISKAUD_DRIVER_NAME, "direct-to-disk audio", - DISKAUD_Available, DISKAUD_CreateDevice + DISKAUD_DRIVER_NAME, "direct-to-disk audio", + DISKAUD_Available, DISKAUD_CreateDevice }; /* This function waits until it is possible to write a full sound buffer */ -static void DISKAUD_WaitAudio(_THIS) +static void +DISKAUD_WaitAudio(_THIS) { - SDL_Delay(this->hidden->write_delay); + SDL_Delay(this->hidden->write_delay); } -static void DISKAUD_PlayAudio(_THIS) +static void +DISKAUD_PlayAudio(_THIS) { - int written; + int written; - /* Write the audio data */ - written = SDL_RWwrite(this->hidden->output, - this->hidden->mixbuf, 1, - this->hidden->mixlen); + /* Write the audio data */ + written = SDL_RWwrite(this->hidden->output, + this->hidden->mixbuf, 1, this->hidden->mixlen); - /* If we couldn't write, assume fatal error for now */ - if ( (Uint32)written != this->hidden->mixlen ) { - this->enabled = 0; - } + /* If we couldn't write, assume fatal error for now */ + if ((Uint32) written != this->hidden->mixlen) { + this->enabled = 0; + } #ifdef DEBUG_AUDIO - fprintf(stderr, "Wrote %d bytes of audio data\n", written); + fprintf(stderr, "Wrote %d bytes of audio data\n", written); #endif } -static Uint8 *DISKAUD_GetAudioBuf(_THIS) +static Uint8 * +DISKAUD_GetAudioBuf(_THIS) { - return(this->hidden->mixbuf); + return (this->hidden->mixbuf); } -static void DISKAUD_CloseAudio(_THIS) +static void +DISKAUD_CloseAudio(_THIS) { - if ( this->hidden->mixbuf != NULL ) { - SDL_FreeAudioMem(this->hidden->mixbuf); - this->hidden->mixbuf = NULL; - } - if ( this->hidden->output != NULL ) { - SDL_RWclose(this->hidden->output); - this->hidden->output = NULL; - } + if (this->hidden->mixbuf != NULL) { + SDL_FreeAudioMem(this->hidden->mixbuf); + this->hidden->mixbuf = NULL; + } + if (this->hidden->output != NULL) { + SDL_RWclose(this->hidden->output); + this->hidden->output = NULL; + } } -static int DISKAUD_OpenAudio(_THIS, SDL_AudioSpec *spec) +static int +DISKAUD_OpenAudio(_THIS, SDL_AudioSpec * spec) { - const char *fname = DISKAUD_GetOutputFilename(); + const char *fname = DISKAUD_GetOutputFilename(); - /* Open the audio device */ - this->hidden->output = SDL_RWFromFile(fname, "wb"); - if ( this->hidden->output == NULL ) { - return(-1); - } - + /* Open the audio device */ + this->hidden->output = SDL_RWFromFile(fname, "wb"); + if (this->hidden->output == NULL) { + return (-1); + } #if HAVE_STDIO_H - fprintf(stderr, "WARNING: You are using the SDL disk writer" - " audio driver!\n Writing to file [%s].\n", fname); + fprintf(stderr, "WARNING: You are using the SDL disk writer" + " audio driver!\n Writing to file [%s].\n", fname); #endif - /* Allocate mixing buffer */ - this->hidden->mixlen = spec->size; - this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen); - if ( this->hidden->mixbuf == NULL ) { - return(-1); - } - SDL_memset(this->hidden->mixbuf, spec->silence, spec->size); + /* Allocate mixing buffer */ + this->hidden->mixlen = spec->size; + this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen); + if (this->hidden->mixbuf == NULL) { + return (-1); + } + SDL_memset(this->hidden->mixbuf, spec->silence, spec->size); - /* We're ready to rock and roll. :-) */ - return(0); + /* We're ready to rock and roll. :-) */ + return (0); } +/* vi: set ts=4 sw=4 expandtab: */