Mercurial > sdl-ios-xcode
diff src/audio/mint/SDL_mintaudio_dma8.c @ 1668:4da1ee79c9af SDL-1.3
more tweaking indent options
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 29 May 2006 04:04:35 +0000 |
parents | 782fd950bd46 |
children |
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--- a/src/audio/mint/SDL_mintaudio_dma8.c Mon May 29 03:53:21 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_dma8.c Mon May 29 04:04:35 2006 +0000 @@ -63,85 +63,85 @@ /*--- Audio driver functions ---*/ -static void Mint_CloseAudio (_THIS); -static int Mint_OpenAudio (_THIS, SDL_AudioSpec * spec); -static void Mint_LockAudio (_THIS); -static void Mint_UnlockAudio (_THIS); +static void Mint_CloseAudio(_THIS); +static int Mint_OpenAudio(_THIS, SDL_AudioSpec * spec); +static void Mint_LockAudio(_THIS); +static void Mint_UnlockAudio(_THIS); /* To check/init hardware audio */ -static int Mint_CheckAudio (_THIS, SDL_AudioSpec * spec); -static void Mint_InitAudio (_THIS, SDL_AudioSpec * spec); +static int Mint_CheckAudio(_THIS, SDL_AudioSpec * spec); +static void Mint_InitAudio(_THIS, SDL_AudioSpec * spec); /*--- Audio driver bootstrap functions ---*/ static int -Audio_Available (void) +Audio_Available(void) { - const char *envr = SDL_getenv ("SDL_AUDIODRIVER"); + const char *envr = SDL_getenv("SDL_AUDIODRIVER"); /* Check if user asked a different audio driver */ - if ((envr) && (SDL_strcmp (envr, MINT_AUDIO_DRIVER_NAME) != 0)) { - DEBUG_PRINT ((DEBUG_NAME "user asked a different audio driver\n")); + if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME) != 0)) { + DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n")); return 0; } /* Cookie _MCH present ? if not, assume ST machine */ - if (Getcookie (C__MCH, &cookie_mch) == C_NOTFOUND) { + if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) { cookie_mch = MCH_ST; } /* Cookie _SND present ? if not, assume ST machine */ - if (Getcookie (C__SND, &cookie_snd) == C_NOTFOUND) { + if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) { cookie_snd = SND_PSG; } /* Check if we have 8 bits audio */ if ((cookie_snd & SND_8BIT) == 0) { - DEBUG_PRINT ((DEBUG_NAME "no 8 bits sound\n")); + DEBUG_PRINT((DEBUG_NAME "no 8 bits sound\n")); return (0); } /* Check if audio is lockable */ if (cookie_snd & SND_16BIT) { - if (Locksnd () != 1) { - DEBUG_PRINT ((DEBUG_NAME "audio locked by other application\n")); + if (Locksnd() != 1) { + DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n")); return (0); } - Unlocksnd (); + Unlocksnd(); } - DEBUG_PRINT ((DEBUG_NAME "8 bits audio available!\n")); + DEBUG_PRINT((DEBUG_NAME "8 bits audio available!\n")); return (1); } static void -Audio_DeleteDevice (SDL_AudioDevice * device) +Audio_DeleteDevice(SDL_AudioDevice * device) { - SDL_free (device->hidden); - SDL_free (device); + SDL_free(device->hidden); + SDL_free(device); } static SDL_AudioDevice * -Audio_CreateDevice (int devindex) +Audio_CreateDevice(int devindex) { SDL_AudioDevice *this; /* Initialize all variables that we clean on shutdown */ - this = (SDL_AudioDevice *) SDL_malloc (sizeof (SDL_AudioDevice)); + this = (SDL_AudioDevice *) SDL_malloc(sizeof(SDL_AudioDevice)); if (this) { - SDL_memset (this, 0, (sizeof *this)); + SDL_memset(this, 0, (sizeof *this)); this->hidden = (struct SDL_PrivateAudioData *) - SDL_malloc ((sizeof *this->hidden)); + SDL_malloc((sizeof *this->hidden)); } if ((this == NULL) || (this->hidden == NULL)) { - SDL_OutOfMemory (); + SDL_OutOfMemory(); if (this) { - SDL_free (this); + SDL_free(this); } return (0); } - SDL_memset (this->hidden, 0, (sizeof *this->hidden)); + SDL_memset(this->hidden, 0, (sizeof *this->hidden)); /* Set the function pointers */ this->OpenAudio = Mint_OpenAudio; @@ -159,70 +159,70 @@ }; static void -Mint_LockAudio (_THIS) +Mint_LockAudio(_THIS) { void *oldpile; /* Stop replay */ - oldpile = (void *) Super (0); + oldpile = (void *) Super(0); DMAAUDIO_IO.control = 0; - Super (oldpile); + Super(oldpile); } static void -Mint_UnlockAudio (_THIS) +Mint_UnlockAudio(_THIS) { void *oldpile; /* Restart replay */ - oldpile = (void *) Super (0); + oldpile = (void *) Super(0); DMAAUDIO_IO.control = 3; - Super (oldpile); + Super(oldpile); } static void -Mint_CloseAudio (_THIS) +Mint_CloseAudio(_THIS) { void *oldpile; /* Stop replay */ - oldpile = (void *) Super (0); + oldpile = (void *) Super(0); DMAAUDIO_IO.control = 0; - Super (oldpile); + Super(oldpile); - DEBUG_PRINT ((DEBUG_NAME "closeaudio: replay stopped\n")); + DEBUG_PRINT((DEBUG_NAME "closeaudio: replay stopped\n")); /* Disable interrupt */ - Jdisint (MFP_DMASOUND); + Jdisint(MFP_DMASOUND); - DEBUG_PRINT ((DEBUG_NAME "closeaudio: interrupt disabled\n")); + DEBUG_PRINT((DEBUG_NAME "closeaudio: interrupt disabled\n")); /* Wait if currently playing sound */ while (SDL_MintAudio_mutex != 0) { } - DEBUG_PRINT ((DEBUG_NAME "closeaudio: no more interrupt running\n")); + DEBUG_PRINT((DEBUG_NAME "closeaudio: no more interrupt running\n")); /* Clear buffers */ if (SDL_MintAudio_audiobuf[0]) { - Mfree (SDL_MintAudio_audiobuf[0]); + Mfree(SDL_MintAudio_audiobuf[0]); SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL; } - DEBUG_PRINT ((DEBUG_NAME "closeaudio: buffers freed\n")); + DEBUG_PRINT((DEBUG_NAME "closeaudio: buffers freed\n")); } static int -Mint_CheckAudio (_THIS, SDL_AudioSpec * spec) +Mint_CheckAudio(_THIS, SDL_AudioSpec * spec) { int i, masterprediv, sfreq; unsigned long masterclock; - DEBUG_PRINT ((DEBUG_NAME "asked: %d bits, ", spec->format & 0x00ff)); - DEBUG_PRINT (("signed=%d, ", ((spec->format & 0x8000) != 0))); - DEBUG_PRINT (("big endian=%d, ", ((spec->format & 0x1000) != 0))); - DEBUG_PRINT (("channels=%d, ", spec->channels)); - DEBUG_PRINT (("freq=%d\n", spec->freq)); + DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ", spec->format & 0x00ff)); + DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000) != 0))); + DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000) != 0))); + DEBUG_PRINT(("channels=%d, ", spec->channels)); + DEBUG_PRINT(("freq=%d\n", spec->freq)); /* Check formats available */ spec->format = AUDIO_S8; @@ -252,34 +252,34 @@ MINTAUDIO_freqcount = 0; for (i = sfreq; i < 4; i++) { - SDL_MintAudio_AddFrequency (this, - masterclock / (masterprediv * (1 << i)), - masterclock, i - sfreq, -1); + SDL_MintAudio_AddFrequency(this, + masterclock / (masterprediv * (1 << i)), + masterclock, i - sfreq, -1); } #if 1 for (i = 0; i < MINTAUDIO_freqcount; i++) { - DEBUG_PRINT ((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n", - i, MINTAUDIO_frequencies[i].frequency, - MINTAUDIO_frequencies[i].masterclock, - MINTAUDIO_frequencies[i].predivisor)); + DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n", + i, MINTAUDIO_frequencies[i].frequency, + MINTAUDIO_frequencies[i].masterclock, + MINTAUDIO_frequencies[i].predivisor)); } #endif - MINTAUDIO_numfreq = SDL_MintAudio_SearchFrequency (this, spec->freq); + MINTAUDIO_numfreq = SDL_MintAudio_SearchFrequency(this, spec->freq); spec->freq = MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency; - DEBUG_PRINT ((DEBUG_NAME "obtained: %d bits, ", spec->format & 0x00ff)); - DEBUG_PRINT (("signed=%d, ", ((spec->format & 0x8000) != 0))); - DEBUG_PRINT (("big endian=%d, ", ((spec->format & 0x1000) != 0))); - DEBUG_PRINT (("channels=%d, ", spec->channels)); - DEBUG_PRINT (("freq=%d\n", spec->freq)); + DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ", spec->format & 0x00ff)); + DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000) != 0))); + DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000) != 0))); + DEBUG_PRINT(("channels=%d, ", spec->channels)); + DEBUG_PRINT(("freq=%d\n", spec->freq)); return 0; } static void -Mint_InitAudio (_THIS, SDL_AudioSpec * spec) +Mint_InitAudio(_THIS, SDL_AudioSpec * spec) { void *oldpile; unsigned long buffer; @@ -287,11 +287,11 @@ /* Set replay tracks */ if (cookie_snd & SND_16BIT) { - Settracks (0, 0); - Setmontracks (0); + Settracks(0, 0); + Setmontracks(0); } - oldpile = (void *) Super (0); + oldpile = (void *) Super(0); /* Stop currently playing sound */ DMAAUDIO_IO.control = 0; @@ -314,55 +314,55 @@ DMAAUDIO_IO.sound_ctrl = mode; /* Set interrupt */ - Jdisint (MFP_DMASOUND); - Xbtimer (XB_TIMERA, 8, 1, SDL_MintAudio_Dma8Interrupt); - Jenabint (MFP_DMASOUND); + Jdisint(MFP_DMASOUND); + Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_Dma8Interrupt); + Jenabint(MFP_DMASOUND); if (cookie_snd & SND_16BIT) { - if (Setinterrupt (SI_TIMERA, SI_PLAY) < 0) { - DEBUG_PRINT ((DEBUG_NAME "Setinterrupt() failed\n")); + if (Setinterrupt(SI_TIMERA, SI_PLAY) < 0) { + DEBUG_PRINT((DEBUG_NAME "Setinterrupt() failed\n")); } } /* Go */ DMAAUDIO_IO.control = 3; /* playback + repeat */ - Super (oldpile); + Super(oldpile); } static int -Mint_OpenAudio (_THIS, SDL_AudioSpec * spec) +Mint_OpenAudio(_THIS, SDL_AudioSpec * spec) { SDL_MintAudio_device = this; /* Check audio capabilities */ - if (Mint_CheckAudio (this, spec) == -1) { + if (Mint_CheckAudio(this, spec) == -1) { return -1; } - SDL_CalculateAudioSpec (spec); + SDL_CalculateAudioSpec(spec); /* Allocate memory for audio buffers in DMA-able RAM */ - DEBUG_PRINT ((DEBUG_NAME "buffer size=%d\n", spec->size)); + DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size)); - SDL_MintAudio_audiobuf[0] = Atari_SysMalloc (spec->size * 2, MX_STRAM); + SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(spec->size * 2, MX_STRAM); if (SDL_MintAudio_audiobuf[0] == NULL) { - SDL_SetError ("MINT_OpenAudio: Not enough memory for audio buffer"); + SDL_SetError("MINT_OpenAudio: Not enough memory for audio buffer"); return (-1); } SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + spec->size; SDL_MintAudio_numbuf = 0; - SDL_memset (SDL_MintAudio_audiobuf[0], spec->silence, spec->size * 2); + SDL_memset(SDL_MintAudio_audiobuf[0], spec->silence, spec->size * 2); SDL_MintAudio_audiosize = spec->size; SDL_MintAudio_mutex = 0; - DEBUG_PRINT ((DEBUG_NAME "buffer 0 at 0x%08x\n", - SDL_MintAudio_audiobuf[0])); - DEBUG_PRINT ((DEBUG_NAME "buffer 1 at 0x%08x\n", - SDL_MintAudio_audiobuf[1])); + DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", + SDL_MintAudio_audiobuf[0])); + DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", + SDL_MintAudio_audiobuf[1])); /* Setup audio hardware */ - Mint_InitAudio (this, spec); + Mint_InitAudio(this, spec); return (1); /* We don't use threaded audio */ }