From d8239786b306ffda6d5d73753d01f0ad3358e1a0 Mon Sep 17 00:00:00 2001 From: Jesse Hall Date: Tue, 17 Jul 2012 16:58:55 -0700 Subject: Delete sdl-1.2.12 Change-Id: Ia96f80df04035ae84be3af468c945f2cec14f99c --- .../sdl-1.2.12/src/audio/mint/SDL_mintaudio_stfa.c | 323 --------------------- 1 file changed, 323 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/audio/mint/SDL_mintaudio_stfa.c (limited to 'distrib/sdl-1.2.12/src/audio/mint/SDL_mintaudio_stfa.c') diff --git a/distrib/sdl-1.2.12/src/audio/mint/SDL_mintaudio_stfa.c b/distrib/sdl-1.2.12/src/audio/mint/SDL_mintaudio_stfa.c deleted file mode 100644 index 4ad1fdd..0000000 --- a/distrib/sdl-1.2.12/src/audio/mint/SDL_mintaudio_stfa.c +++ /dev/null @@ -1,323 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2004 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* - MiNT audio driver - using XBIOS functions (STFA driver) - - Patrice Mandin -*/ - -/* Mint includes */ -#include -#include -#include - -#include "SDL_audio.h" -#include "../SDL_audio_c.h" -#include "../SDL_sysaudio.h" - -#include "../../video/ataricommon/SDL_atarimxalloc_c.h" - -#include "SDL_mintaudio.h" -#include "SDL_mintaudio_stfa.h" - -/*--- Defines ---*/ - -#define MINT_AUDIO_DRIVER_NAME "mint_stfa" - -/* Debug print info */ -#define DEBUG_NAME "audio:stfa: " -#if 0 -#define DEBUG_PRINT(what) \ - { \ - printf what; \ - } -#else -#define DEBUG_PRINT(what) -#endif - -/*--- Static variables ---*/ - -static unsigned long cookie_snd, cookie_mch; -static cookie_stfa_t *cookie_stfa; - -static const int freqs[16]={ - 4995, 6269, 7493, 8192, - 9830, 10971, 12538, 14985, - 16384, 19819, 21943, 24576, - 30720, 32336, 43885, 49152 -}; - -/*--- 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); - -/* To check/init hardware audio */ -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) -{ - 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")); - return(0); - } - - /* Cookie _MCH present ? if not, assume ST machine */ - 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) { - cookie_snd = SND_PSG; - } - - /* Cookie STFA present ? */ - if (Getcookie(C_STFA, (long *) &cookie_stfa) != C_FOUND) { - DEBUG_PRINT((DEBUG_NAME "no STFA audio\n")); - return(0); - } - - SDL_MintAudio_stfa = cookie_stfa; - - DEBUG_PRINT((DEBUG_NAME "STFA audio available!\n")); - return(1); -} - -static void Audio_DeleteDevice(SDL_AudioDevice *device) -{ - SDL_free(device->hidden); - SDL_free(device); -} - -static SDL_AudioDevice *Audio_CreateDevice(int devindex) -{ - SDL_AudioDevice *this; - - /* 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)); - - /* Set the function pointers */ - this->OpenAudio = Mint_OpenAudio; - this->CloseAudio = Mint_CloseAudio; - this->LockAudio = Mint_LockAudio; - this->UnlockAudio = Mint_UnlockAudio; - this->free = Audio_DeleteDevice; - - return this; -} - -AudioBootStrap MINTAUDIO_STFA_bootstrap = { - MINT_AUDIO_DRIVER_NAME, "MiNT STFA audio driver", - Audio_Available, Audio_CreateDevice -}; - -static void Mint_LockAudio(_THIS) -{ - void *oldpile; - - /* Stop replay */ - oldpile=(void *)Super(0); - cookie_stfa->sound_enable=STFA_PLAY_DISABLE; - Super(oldpile); -} - -static void Mint_UnlockAudio(_THIS) -{ - void *oldpile; - - /* Restart replay */ - oldpile=(void *)Super(0); - cookie_stfa->sound_enable=STFA_PLAY_ENABLE|STFA_PLAY_REPEAT; - Super(oldpile); -} - -static void Mint_CloseAudio(_THIS) -{ - void *oldpile; - - /* Stop replay */ - oldpile=(void *)Super(0); - cookie_stfa->sound_enable=STFA_PLAY_DISABLE; - Super(oldpile); - - /* Wait if currently playing sound */ - while (SDL_MintAudio_mutex != 0) { - } - - /* Clear buffers */ - if (SDL_MintAudio_audiobuf[0]) { - Mfree(SDL_MintAudio_audiobuf[0]); - SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL; - } -} - -static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec) -{ - int i; - - 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)); - - if (spec->channels > 2) { - spec->channels = 2; /* no more than stereo! */ - } - - /* Check formats available */ - MINTAUDIO_freqcount=0; - for (i=0;i<16;i++) { - SDL_MintAudio_AddFrequency(this, freqs[i], 0, i, -1); - } - -#if 1 - for (i=0; ifreq); - 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)); - - return 0; -} - -static void Mint_InitAudio(_THIS, SDL_AudioSpec *spec) -{ - void *buffer; - void *oldpile; - - buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf]; - - oldpile=(void *)Super(0); - - /* Stop replay */ - cookie_stfa->sound_enable=STFA_PLAY_DISABLE; - - /* Select replay format */ - cookie_stfa->sound_control = MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor; - if ((spec->format & 0xff)==8) { - cookie_stfa->sound_control |= STFA_FORMAT_8BIT; - } else { - cookie_stfa->sound_control |= STFA_FORMAT_16BIT; - } - if (spec->channels==2) { - cookie_stfa->sound_control |= STFA_FORMAT_STEREO; - } else { - cookie_stfa->sound_control |= STFA_FORMAT_MONO; - } - if ((spec->format & 0x8000)!=0) { - cookie_stfa->sound_control |= STFA_FORMAT_SIGNED; - } else { - cookie_stfa->sound_control |= STFA_FORMAT_UNSIGNED; - } - if ((spec->format & 0x1000)!=0) { - cookie_stfa->sound_control |= STFA_FORMAT_BIGENDIAN; - } else { - cookie_stfa->sound_control |= STFA_FORMAT_LITENDIAN; - } - - /* Set buffer */ - cookie_stfa->sound_start = (unsigned long) buffer; - cookie_stfa->sound_end = (unsigned long) (buffer + spec->size); - - /* Set interrupt */ - cookie_stfa->stfa_it = SDL_MintAudio_StfaInterrupt; - - /* Restart replay */ - cookie_stfa->sound_enable=STFA_PLAY_ENABLE|STFA_PLAY_REPEAT; - - Super(oldpile); - - DEBUG_PRINT((DEBUG_NAME "hardware initialized\n")); -} - -static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec) -{ - SDL_MintAudio_device = this; - - /* Check audio capabilities */ - if (Mint_CheckAudio(this, spec)==-1) { - return -1; - } - - SDL_CalculateAudioSpec(spec); - - /* Allocate memory for audio buffers in DMA-able RAM */ - DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size)); - - 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"); - 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_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])); - - SDL_MintAudio_CheckFpu(); - - /* Setup audio hardware */ - Mint_InitAudio(this, spec); - - return(1); /* We don't use threaded audio */ -} -- cgit v1.1