Mercurial > sdl-ios-xcode
diff src/audio/mint/SDL_mintaudio_gsxb.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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line diff
--- a/src/audio/mint/SDL_mintaudio_gsxb.c Mon May 29 03:53:21 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_gsxb.c Mon May 29 04:04:35 2006 +0000 @@ -63,91 +63,91 @@ /*--- 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); /* GSXB callbacks */ -static void Mint_GsxbInterrupt (void); -static void Mint_GsxbNullInterrupt (void); +static void Mint_GsxbInterrupt(void); +static void Mint_GsxbNullInterrupt(void); /*--- 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 _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 16 bits audio */ if ((cookie_snd & SND_16BIT) == 0) { - DEBUG_PRINT ((DEBUG_NAME "no 16 bits sound\n")); + DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n")); return (0); } /* Cookie GSXB present ? */ - cookie_gsxb = (Getcookie (C_GSXB, &cookie_gsxb) == C_FOUND); + cookie_gsxb = (Getcookie(C_GSXB, &cookie_gsxb) == C_FOUND); /* Is it GSXB ? */ if (((cookie_snd & SND_GSXB) == 0) || (cookie_gsxb == 0)) { - DEBUG_PRINT ((DEBUG_NAME "no GSXB audio\n")); + DEBUG_PRINT((DEBUG_NAME "no GSXB audio\n")); return (0); } /* Check if audio is lockable */ - 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 "GSXB audio available!\n")); + DEBUG_PRINT((DEBUG_NAME "GSXB 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; @@ -165,28 +165,28 @@ }; static void -Mint_LockAudio (_THIS) +Mint_LockAudio(_THIS) { /* Stop replay */ - Buffoper (0); + Buffoper(0); } static void -Mint_UnlockAudio (_THIS) +Mint_UnlockAudio(_THIS) { /* Restart replay */ - Buffoper (SB_PLA_ENA | SB_PLA_RPT); + Buffoper(SB_PLA_ENA | SB_PLA_RPT); } static void -Mint_CloseAudio (_THIS) +Mint_CloseAudio(_THIS) { /* Stop replay */ - Buffoper (0); + Buffoper(0); /* Uninstall interrupt */ - if (NSetinterrupt (2, SI_NONE, Mint_GsxbNullInterrupt) < 0) { - DEBUG_PRINT ((DEBUG_NAME "NSetinterrupt() failed in close\n")); + if (NSetinterrupt(2, SI_NONE, Mint_GsxbNullInterrupt) < 0) { + DEBUG_PRINT((DEBUG_NAME "NSetinterrupt() failed in close\n")); } /* Wait if currently playing sound */ @@ -195,16 +195,16 @@ /* 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; } /* Unlock sound system */ - Unlocksnd (); + Unlocksnd(); } static int -Mint_CheckAudio (_THIS, SDL_AudioSpec * spec) +Mint_CheckAudio(_THIS, SDL_AudioSpec * spec) { long snd_format; int i, resolution, format_signed, format_bigendian; @@ -213,31 +213,31 @@ format_signed = ((spec->format & 0x8000) != 0); format_bigendian = ((spec->format & 0x1000) != 0); - 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 */ - snd_format = Sndstatus (SND_QUERYFORMATS); + snd_format = Sndstatus(SND_QUERYFORMATS); switch (resolution) { case 8: if ((snd_format & SND_FORMAT8) == 0) { - SDL_SetError ("Mint_CheckAudio: 8 bits samples not supported"); + SDL_SetError("Mint_CheckAudio: 8 bits samples not supported"); return -1; } - snd_format = Sndstatus (SND_QUERY8BIT); + snd_format = Sndstatus(SND_QUERY8BIT); break; case 16: if ((snd_format & SND_FORMAT16) == 0) { - SDL_SetError ("Mint_CheckAudio: 16 bits samples not supported"); + SDL_SetError("Mint_CheckAudio: 16 bits samples not supported"); return -1; } - snd_format = Sndstatus (SND_QUERY16BIT); + snd_format = Sndstatus(SND_QUERY16BIT); break; default: - SDL_SetError ("Mint_CheckAudio: Unsupported sample resolution"); + SDL_SetError("Mint_CheckAudio: Unsupported sample resolution"); return -1; break; } @@ -278,45 +278,45 @@ /* Calculate and select the closest frequency */ MINTAUDIO_freqcount = 0; for (i = 1; i < 4; i++) { - SDL_MintAudio_AddFrequency (this, - MASTERCLOCK_44K / (MASTERPREDIV_MILAN * - (1 << i)), - MASTERCLOCK_44K, (1 << i) - 1, -1); + SDL_MintAudio_AddFrequency(this, + MASTERCLOCK_44K / (MASTERPREDIV_MILAN * + (1 << i)), + MASTERCLOCK_44K, (1 << i) - 1, -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) { int channels_mode, prediv; void *buffer; /* Stop currently playing sound */ - Buffoper (0); + Buffoper(0); /* Set replay tracks */ - Settracks (0, 0); - Setmontracks (0); + Settracks(0, 0); + Setmontracks(0); /* Select replay format */ switch (spec->format & 0xff) { @@ -338,74 +338,74 @@ channels_mode = STEREO16; break; } - if (Setmode (channels_mode) < 0) { - DEBUG_PRINT ((DEBUG_NAME "Setmode() failed\n")); + if (Setmode(channels_mode) < 0) { + DEBUG_PRINT((DEBUG_NAME "Setmode() failed\n")); } prediv = MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor; - Devconnect (DMAPLAY, DAC, CLKEXT, prediv, 1); + Devconnect(DMAPLAY, DAC, CLKEXT, prediv, 1); /* Set buffer */ buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf]; - if (Setbuffer (0, buffer, buffer + spec->size) < 0) { - DEBUG_PRINT ((DEBUG_NAME "Setbuffer() failed\n")); + if (Setbuffer(0, buffer, buffer + spec->size) < 0) { + DEBUG_PRINT((DEBUG_NAME "Setbuffer() failed\n")); } /* Install interrupt */ - if (NSetinterrupt (2, SI_PLAY, Mint_GsxbInterrupt) < 0) { - DEBUG_PRINT ((DEBUG_NAME "NSetinterrupt() failed\n")); + if (NSetinterrupt(2, SI_PLAY, Mint_GsxbInterrupt) < 0) { + DEBUG_PRINT((DEBUG_NAME "NSetinterrupt() failed\n")); } /* Go */ - Buffoper (SB_PLA_ENA | SB_PLA_RPT); - DEBUG_PRINT ((DEBUG_NAME "hardware initialized\n")); + Buffoper(SB_PLA_ENA | SB_PLA_RPT); + DEBUG_PRINT((DEBUG_NAME "hardware initialized\n")); } static int -Mint_OpenAudio (_THIS, SDL_AudioSpec * spec) +Mint_OpenAudio(_THIS, SDL_AudioSpec * spec) { /* Lock sound system */ - if (Locksnd () != 1) { - SDL_SetError ("Mint_OpenAudio: Audio system already in use"); + if (Locksnd() != 1) { + SDL_SetError("Mint_OpenAudio: Audio system already in use"); return (-1); } 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 */ } static void -Mint_GsxbInterrupt (void) +Mint_GsxbInterrupt(void) { Uint8 *newbuf; @@ -415,15 +415,15 @@ SDL_MintAudio_mutex = 1; SDL_MintAudio_numbuf ^= 1; - SDL_MintAudio_Callback (); + SDL_MintAudio_Callback(); newbuf = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf]; - Setbuffer (0, newbuf, newbuf + SDL_MintAudio_audiosize); + Setbuffer(0, newbuf, newbuf + SDL_MintAudio_audiosize); SDL_MintAudio_mutex = 0; } static void -Mint_GsxbNullInterrupt (void) +Mint_GsxbNullInterrupt(void) { }