Atari MiNT: added more audio drivers
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40645
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16 changed files with 2541 additions and 621 deletions
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@ -1,628 +1,93 @@
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/*
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* MiNT audio driver
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*
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* Patrice Mandin
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*/
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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/*
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Audio interrupt variables and callback function
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Patrice Mandin
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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/* Mint includes */
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#include <mint/osbind.h>
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#include <mint/falcon.h>
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#include <mint/cookie.h>
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#include "SDL_endian.h"
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#include "SDL_types.h"
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#include "SDL_audio.h"
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#include "SDL_audio_c.h"
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#include "SDL_audiomem.h"
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#include "SDL_sysaudio.h"
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#include "SDL_mintaudio.h"
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#include "SDL_mintaudiodma.h"
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#include "SDL_mintaudiogsxb.h"
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#include "SDL_mintaudiointerrupt_s.h"
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#include "SDL_mintaudio_stfa.h"
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#include "SDL_atarimxalloc_c.h"
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/* The audio device */
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/*--- Defines ---*/
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SDL_AudioDevice *SDL_MintAudio_device;
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Uint8 *SDL_MintAudio_audiobuf[2]; /* Pointers to buffers */
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long SDL_MintAudio_audiosize; /* Length of audio buffer=spec->size */
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long SDL_MintAudio_numbuf; /* Buffer to play */
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long SDL_MintAudio_mutex;
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cookie_stfa_t *SDL_MintAudio_stfa;
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#define MINT_AUDIO_DRIVER_NAME "mint"
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/* The callback function, called by each driver whenever needed */
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/* Master clocks for replay frequencies */
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#define MASTERCLOCK_STE 8010666 /* Not sure of this one */
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#define MASTERCLOCK_TT 16107953 /* Not sure of this one */
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#define MASTERCLOCK_FALCON1 25175000
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#define MASTERCLOCK_FALCON2 32000000 /* Only usable for DSP56K */
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#define MASTERCLOCK_FALCONEXT -1 /* Clock on DSP56K port, unknown */
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#define MASTERCLOCK_MILAN1 22579200 /* Standard clock for 44.1 Khz */
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#define MASTERCLOCK_MILAN2 24576000 /* Standard clock for 48 Khz */
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/* Master clock predivisors */
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#define MASTERPREDIV_STE 160
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#define MASTERPREDIV_TT 320
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#define MASTERPREDIV_FALCON 256
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#define MASTERPREDIV_MILAN 256
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/* Values>>16 in _MCH cookie */
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enum {
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MCH_ST=0,
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MCH_STE,
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MCH_TT,
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MCH_F30
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};
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/* MFP 68901 interrupt sources */
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enum {
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MFP_PARALLEL=0,
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MFP_DCD,
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MFP_CTS,
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MFP_BITBLT,
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MFP_TIMERD,
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MFP_BAUDRATE=MFP_TIMERD,
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MFP_TIMERC,
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MFP_200HZ=MFP_TIMERC,
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MFP_ACIA,
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MFP_DISK,
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MFP_TIMERB,
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MFP_HBLANK=MFP_TIMERB,
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MFP_TERR,
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MFP_TBE,
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MFP_RERR,
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MFP_RBF,
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MFP_TIMERA,
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MFP_DMASOUND=MFP_TIMERA,
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MFP_RING,
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MFP_MONODETECT
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};
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/* Xbtimer() timers */
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enum {
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XB_TIMERA=0,
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XB_TIMERB,
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XB_TIMERC,
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XB_TIMERD
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};
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/*--- Static variables ---*/
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static unsigned long cookie_snd, cookie_mch, cookie_gsxb;
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static Uint16 hardfreq[16];
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static Uint16 numfreq;
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static SDL_AudioDevice *SDL_MintAudio_device;
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/*--- Audio driver functions ---*/
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static void Mint_CloseAudio(_THIS);
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static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec);
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static void Mint_LockAudio(_THIS);
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static void Mint_UnlockAudio(_THIS);
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/*--- Audio driver bootstrap functions ---*/
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static int Audio_Available(void)
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{
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const char *envr = getenv("SDL_AUDIODRIVER");
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/* Check if user asked a different audio driver */
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if ((envr) && (strcmp(envr, MINT_AUDIO_DRIVER_NAME)!=0)) {
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return 0;
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}
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/* Cookie _SND present ? if not, assume ST machine */
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if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
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cookie_snd = SND_PSG;
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}
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/* Cookie _MCH present ? if not, assume ST machine */
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if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
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cookie_mch = MCH_ST << 16;
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}
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/* Cookie GSXB present ? */
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cookie_gsxb = (Getcookie(C_GSXB, &cookie_gsxb) == C_FOUND);
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/* Check if we have xbios functions (Falcon, clones) */
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if ((cookie_snd & SND_16BIT)!=0) {
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/* Check if audio is lockable */
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if (Locksnd()==1) {
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Unlocksnd();
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} else {
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/* Already in use */
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return(0);
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}
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return(1);
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}
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/* Check if we have 8 bits DMA audio (STE, TT) */
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if ((cookie_snd & SND_8BIT)!=0) {
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return(1);
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}
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return(0);
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}
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static void Audio_DeleteDevice(SDL_AudioDevice *device)
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{
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free(device->hidden);
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free(device);
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}
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static SDL_AudioDevice *Audio_CreateDevice(int devindex)
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{
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SDL_AudioDevice *this;
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/* Initialize all variables that we clean on shutdown */
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this = (SDL_AudioDevice *)malloc(sizeof(SDL_AudioDevice));
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if ( this ) {
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memset(this, 0, (sizeof *this));
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}
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if ( this == NULL ) {
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SDL_OutOfMemory();
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if ( this ) {
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free(this);
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}
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return(0);
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}
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/* Set the function pointers */
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this->OpenAudio = Mint_OpenAudio;
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this->CloseAudio = Mint_CloseAudio;
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this->LockAudio = Mint_LockAudio;
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this->UnlockAudio = Mint_UnlockAudio;
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this->free = Audio_DeleteDevice;
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return this;
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}
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AudioBootStrap MINTAUDIO_bootstrap = {
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MINT_AUDIO_DRIVER_NAME, "MiNT audio driver",
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Audio_Available, Audio_CreateDevice
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};
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static void Mint_LockAudio(_THIS)
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{
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void *oldpile;
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/* Stop replay */
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if ((cookie_snd & SND_16BIT)!=0) {
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Buffoper(0);
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} else if ((cookie_snd & SND_8BIT)!=0) {
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oldpile=(void *)Super(0);
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DMAAUDIO_IO.control=0;
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Super(oldpile);
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}
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}
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static void Mint_UnlockAudio(_THIS)
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{
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void *oldpile;
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/* Restart replay */
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if ((cookie_snd & SND_16BIT)!=0) {
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Buffoper(SB_PLA_ENA|SB_PLA_RPT);
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} else if ((cookie_snd & SND_8BIT)!=0) {
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oldpile=(void *)Super(0);
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DMAAUDIO_IO.control=3;
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Super(oldpile);
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}
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}
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/* This is called from the interrupt routine */
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void SDL_MintAudio_Callback(void)
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{
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SDL_AudioDevice *audio;
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Uint8 *buffer;
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audio = SDL_MintAudio_device;
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buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
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memset(buffer, SDL_MintAudio_device->spec.silence, SDL_MintAudio_device->spec.size);
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if ( ! audio->paused ) {
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if ( audio->convert.needed ) {
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audio->spec.callback(audio->spec.userdata,
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(Uint8 *)audio->convert.buf,audio->convert.len);
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SDL_ConvertAudio(&audio->convert);
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memcpy(buffer, audio->convert.buf, audio->convert.len_cvt);
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if ( ! SDL_MintAudio_device->paused ) {
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if ( SDL_MintAudio_device->convert.needed ) {
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SDL_MintAudio_device->spec.callback(SDL_MintAudio_device->spec.userdata,
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(Uint8 *)SDL_MintAudio_device->convert.buf,SDL_MintAudio_device->convert.len);
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SDL_ConvertAudio(&SDL_MintAudio_device->convert);
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memcpy(buffer, SDL_MintAudio_device->convert.buf, SDL_MintAudio_device->convert.len_cvt);
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} else {
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audio->spec.callback(audio->spec.userdata, buffer, audio->spec.size);
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SDL_MintAudio_device->spec.callback(SDL_MintAudio_device->spec.userdata, buffer, SDL_MintAudio_device->spec.size);
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}
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}
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}
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static void Mint_StopAudio_Dma8(void)
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{
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void *oldpile;
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oldpile=(void *)Super(0);
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DMAAUDIO_IO.control=0;
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Super(oldpile);
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Jdisint(MFP_DMASOUND);
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}
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static void Mint_StopAudio_Xbios(void)
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{
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Buffoper(0);
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Jdisint(MFP_DMASOUND);
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}
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static void Mint_StopAudio_Gsxb(void)
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{
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Buffoper(0);
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}
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static void Mint_CloseAudio(_THIS)
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{
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if (cookie_gsxb && ((cookie_snd & (SND_GSXB|SND_16BIT))==(SND_GSXB|SND_16BIT)) ) {
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Mint_StopAudio_Gsxb();
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} else if ((cookie_snd & SND_16BIT)!=0) {
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Mint_StopAudio_Xbios();
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} else if ((cookie_snd & SND_8BIT)!=0) {
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Mint_StopAudio_Dma8();
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}
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/* Clear buffers */
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if (SDL_MintAudio_audiobuf[0]) {
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Mfree(SDL_MintAudio_audiobuf[0]);
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SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
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}
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/* Unlock sound system */
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if ((cookie_snd & SND_16BIT)!=0) {
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Unlocksnd();
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}
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}
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static void Mint_CheckAudio_Dma8(SDL_AudioSpec *spec)
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/* Simple function to search for the nearest frequency */
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int SDL_MintAudio_SearchFrequency(_THIS, int falcon_codec, int desired_freq)
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{
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int i;
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spec->format = AUDIO_S8;
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switch(cookie_mch>>16) {
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case MCH_STE:
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/* STE replay frequencies */
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for (i=0;i<4;i++) {
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hardfreq[i]=MASTERCLOCK_STE/(MASTERPREDIV_STE*(i+1));
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}
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if (spec->freq>=(hardfreq[0]+hardfreq[1])>>1) {
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numfreq=3; /* 50066 */
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} else if (spec->freq>=(hardfreq[1]+hardfreq[2])>>1) {
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numfreq=2; /* 25033 */
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} else if (spec->freq>=(hardfreq[2]+hardfreq[3])>>1) {
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numfreq=1; /* 12517 */
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} else {
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numfreq=0; /* 6258 */
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}
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spec->freq=hardfreq[numfreq];
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break;
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case MCH_TT:
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/* TT replay frequencies */
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for (i=0;i<4;i++) {
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hardfreq[i]=MASTERCLOCK_TT/(MASTERPREDIV_TT*(i+1));
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}
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if (spec->freq>=(hardfreq[0]+hardfreq[1])>>1) {
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numfreq=3; /* 50337 */
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} else if (spec->freq>=(hardfreq[1]+hardfreq[2])>>1) {
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numfreq=2; /* 25169 */
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} else if (spec->freq>=(hardfreq[2]+hardfreq[3])>>1) {
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numfreq=1; /* 12584 */
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} else {
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numfreq=0; /* 6292 */
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}
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spec->freq=hardfreq[numfreq];
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break;
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}
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}
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static void Mint_CheckAudio_Xbios(SDL_AudioSpec *spec)
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{
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int i;
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/* Check conversions needed */
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switch (spec->format & 0xff) {
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case 8:
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spec->format = AUDIO_S8;
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break;
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case 16:
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spec->format = AUDIO_S16MSB;
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break;
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}
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/* Check hardware channels */
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if ((spec->channels==1) && ((spec->format & 0xff)==16)) {
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spec->channels=2;
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/* Only 1 freq ? */
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if (MINTAUDIO_nfreq==1) {
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return(MINTAUDIO_sfreq);
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}
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/* Falcon replay frequencies */
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for (i=0;i<16;i++) {
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hardfreq[i]=MASTERCLOCK_FALCON1/(MASTERPREDIV_FALCON*(i+1));
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}
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/* The Falcon CODEC only support some frequencies */
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if (spec->freq>=(hardfreq[CLK50K]+hardfreq[CLK33K])>>1) {
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numfreq=CLK50K; /* 49170 */
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} else if (spec->freq>=(hardfreq[CLK33K]+hardfreq[CLK25K])>>1) {
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numfreq=CLK33K; /* 32780 */
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} else if (spec->freq>=(hardfreq[CLK25K]+hardfreq[CLK20K])>>1) {
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numfreq=CLK25K; /* 24585 */
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} else if (spec->freq>=(hardfreq[CLK20K]+hardfreq[CLK16K])>>1) {
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numfreq=CLK20K; /* 19668 */
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} else if (spec->freq>=(hardfreq[CLK16K]+hardfreq[CLK12K])>>1) {
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numfreq=CLK16K; /* 16390 */
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} else if (spec->freq>=(hardfreq[CLK12K]+hardfreq[CLK10K])>>1) {
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numfreq=CLK12K; /* 12292 */
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} else if (spec->freq>=(hardfreq[CLK10K]+hardfreq[CLK8K])>>1) {
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numfreq=CLK10K; /* 9834 */
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} else {
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numfreq=CLK8K; /* 8195 */
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}
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spec->freq=hardfreq[numfreq];
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}
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static int Mint_CheckAudio_Gsxb(SDL_AudioSpec *spec)
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{
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long snd_format;
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int i, resolution, format_signed, format_bigendian;
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resolution = spec->format & 0x00ff;
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format_signed = ((spec->format & 0x8000)!=0);
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format_bigendian = ((spec->format & 0x1000)!=0);
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/* Check formats available */
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snd_format = Sndstatus(SND_QUERYFORMATS);
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switch (resolution) {
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case 8:
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if ((snd_format & SND_FORMAT8)==0) {
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SDL_SetError("Mint_CheckAudio: 8 bits samples not supported");
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return -1;
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/* Check the array */
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for (i=MINTAUDIO_sfreq; i<MINTAUDIO_nfreq-1; i++) {
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/* Remove unusable falcon codec frequencies */
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if (falcon_codec) {
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if ((i==6) || (i==8) || (i==10)) {
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continue;
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}
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snd_format = Sndstatus(SND_QUERY8BIT);
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break;
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case 16:
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if ((snd_format & SND_FORMAT16)==0) {
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SDL_SetError("Mint_CheckAudio: 16 bits samples not supported");
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return -1;
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}
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snd_format = Sndstatus(SND_QUERY16BIT);
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break;
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default:
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SDL_SetError("Mint_CheckAudio: Unsupported sample resolution");
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return -1;
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break;
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}
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/* Check signed/unsigned format */
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if (format_signed) {
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if (snd_format & SND_FORMATSIGNED) {
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/* Ok */
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} else if (snd_format & SND_FORMATUNSIGNED) {
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/* Give unsigned format */
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spec->format = spec->format & (~0x8000);
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}
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} else {
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if (snd_format & SND_FORMATUNSIGNED) {
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/* Ok */
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} else if (snd_format & SND_FORMATSIGNED) {
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/* Give signed format */
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spec->format |= 0x8000;
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if (desired_freq >= ((MINTAUDIO_hardfreq[i]+MINTAUDIO_hardfreq[i+1])>>1)) {
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return i;
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}
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}
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if (format_bigendian) {
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if (snd_format & SND_FORMATBIGENDIAN) {
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/* Ok */
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} else if (snd_format & SND_FORMATLITTLEENDIAN) {
|
||||
/* Give little endian format */
|
||||
spec->format = spec->format & (~0x1000);
|
||||
}
|
||||
} else {
|
||||
if (snd_format & SND_FORMATBIGENDIAN) {
|
||||
/* Ok */
|
||||
} else if (snd_format & SND_FORMATLITTLEENDIAN) {
|
||||
/* Give big endian format */
|
||||
spec->format |= 0x1000;
|
||||
}
|
||||
}
|
||||
|
||||
/* Only xbios functions available = clone with PC board */
|
||||
for (i=0;i<8;i++) {
|
||||
hardfreq[i]=MASTERCLOCK_MILAN1/(MASTERPREDIV_MILAN*(i+1));
|
||||
}
|
||||
|
||||
if (spec->freq>=(hardfreq[CLK_44K]+hardfreq[CLK_22K])>>1) {
|
||||
numfreq = CLK_44K; /* 44100 */
|
||||
} else if (spec->freq>=(hardfreq[CLK_22K]+hardfreq[CLK_11K])>>1) {
|
||||
numfreq = CLK_22K; /* 22050 */
|
||||
} else {
|
||||
numfreq = CLK_11K; /* 11025 */
|
||||
}
|
||||
|
||||
spec->freq=hardfreq[numfreq];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void Mint_InitAudio_Dma8(SDL_AudioSpec *spec)
|
||||
{
|
||||
void *oldpile;
|
||||
unsigned long buffer;
|
||||
unsigned char mode;
|
||||
|
||||
oldpile=(void *)Super(0);
|
||||
|
||||
/* Stop currently playing sound */
|
||||
DMAAUDIO_IO.control=0;
|
||||
|
||||
/* Set buffer */
|
||||
buffer = (unsigned long) SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
|
||||
DMAAUDIO_IO.start_high = (buffer>>16) & 255;
|
||||
DMAAUDIO_IO.start_mid = (buffer>>8) & 255;
|
||||
DMAAUDIO_IO.start_low = buffer & 255;
|
||||
|
||||
buffer += SDL_MintAudio_audiosize;
|
||||
DMAAUDIO_IO.end_high = (buffer>>16) & 255;
|
||||
DMAAUDIO_IO.end_mid = (buffer>>8) & 255;
|
||||
DMAAUDIO_IO.end_low = buffer & 255;
|
||||
|
||||
mode = numfreq;
|
||||
if (spec->channels==1) {
|
||||
mode |= 1<<7;
|
||||
}
|
||||
DMAAUDIO_IO.mode = mode;
|
||||
|
||||
/* Set interrupt */
|
||||
Jdisint(MFP_DMASOUND);
|
||||
Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_IntDma);
|
||||
Jenabint(MFP_DMASOUND);
|
||||
|
||||
/* Go */
|
||||
DMAAUDIO_IO.control = 3; /* playback + repeat */
|
||||
|
||||
Super(oldpile);
|
||||
}
|
||||
|
||||
static void Mint_InitAudio_Xbios(SDL_AudioSpec *spec)
|
||||
{
|
||||
int channels_mode;
|
||||
void *buffer;
|
||||
|
||||
/* Stop currently playing sound */
|
||||
Buffoper(0);
|
||||
|
||||
Settracks(0,0);
|
||||
Setmontracks(0);
|
||||
|
||||
switch (spec->format & 0xff) {
|
||||
case 8:
|
||||
if (spec->channels==2) {
|
||||
channels_mode=STEREO8;
|
||||
} else {
|
||||
channels_mode=MONO8;
|
||||
}
|
||||
break;
|
||||
case 16:
|
||||
default:
|
||||
channels_mode=STEREO16;
|
||||
break;
|
||||
}
|
||||
Setmode(channels_mode);
|
||||
|
||||
Devconnect(DMAPLAY, DAC, CLK25M, numfreq, 1);
|
||||
|
||||
/* Set buffer */
|
||||
buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
|
||||
Setbuffer(0, buffer, buffer+SDL_MintAudio_audiosize);
|
||||
|
||||
/* Install interrupt */
|
||||
Setinterrupt(SI_TIMERA, SI_PLAY);
|
||||
|
||||
Jdisint(MFP_DMASOUND);
|
||||
Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_IntXbios);
|
||||
Jenabint(MFP_DMASOUND);
|
||||
|
||||
/* Go */
|
||||
Buffoper(SB_PLA_ENA|SB_PLA_RPT);
|
||||
}
|
||||
|
||||
static void Mint_InitAudio_Gsxb(SDL_AudioSpec *spec)
|
||||
{
|
||||
int channels_mode;
|
||||
void *buffer;
|
||||
|
||||
/* Stop currently playing sound */
|
||||
Buffoper(0);
|
||||
|
||||
switch (spec->format & 0xff) {
|
||||
case 8:
|
||||
if (spec->channels==2) {
|
||||
channels_mode=STEREO8;
|
||||
} else {
|
||||
channels_mode=MONO8;
|
||||
}
|
||||
break;
|
||||
case 16:
|
||||
if (spec->channels==2) {
|
||||
channels_mode=STEREO16;
|
||||
} else {
|
||||
channels_mode=MONO16;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
channels_mode=STEREO16;
|
||||
break;
|
||||
}
|
||||
Setmode(channels_mode);
|
||||
|
||||
Devconnect(0, 0, CLKEXT, numfreq, 1);
|
||||
|
||||
/* Set buffer */
|
||||
buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
|
||||
Setbuffer(0, buffer, buffer+SDL_MintAudio_audiosize);
|
||||
|
||||
/* Install interrupt */
|
||||
NSetinterrupt(2, SI_PLAY, SDL_MintAudio_IntGsxb);
|
||||
|
||||
/* Go */
|
||||
Buffoper(SB_PLA_ENA|SB_PLA_RPT);
|
||||
}
|
||||
|
||||
static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec)
|
||||
{
|
||||
/* Lock sound system */
|
||||
if ((cookie_snd & SND_16BIT)!=0) {
|
||||
if (Locksnd()!=1) {
|
||||
SDL_SetError("Mint_OpenAudio: Audio system already in use");
|
||||
return(-1);
|
||||
}
|
||||
}
|
||||
|
||||
/* Check audio capabilities */
|
||||
if (cookie_gsxb && ((cookie_snd & (SND_GSXB|SND_16BIT))==(SND_GSXB|SND_16BIT)) ) {
|
||||
if (Mint_CheckAudio_Gsxb(spec)==-1) {
|
||||
return -1;
|
||||
}
|
||||
} else if ((cookie_snd & SND_16BIT)!=0) {
|
||||
Mint_CheckAudio_Xbios(spec);
|
||||
} else if ((cookie_snd & SND_8BIT)!=0) {
|
||||
Mint_CheckAudio_Dma8(spec);
|
||||
}
|
||||
|
||||
SDL_CalculateAudioSpec(spec);
|
||||
|
||||
/* Allocate memory for audio buffers in DMA-able RAM */
|
||||
spec->size = spec->samples;
|
||||
spec->size *= spec->channels;
|
||||
spec->size *= (spec->format & 0xFF)/8;
|
||||
|
||||
SDL_MintAudio_audiosize = spec->size;
|
||||
|
||||
SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(SDL_MintAudio_audiosize *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] + SDL_MintAudio_audiosize;
|
||||
SDL_MintAudio_numbuf=0;
|
||||
memset(SDL_MintAudio_audiobuf[0], 0, SDL_MintAudio_audiosize * 2);
|
||||
SDL_MintAudio_mutex = 0;
|
||||
|
||||
SDL_MintAudio_device = this;
|
||||
|
||||
/* Setup audio hardware */
|
||||
if (cookie_gsxb && ((cookie_snd & (SND_GSXB|SND_16BIT))==(SND_GSXB|SND_16BIT)) ) {
|
||||
Mint_InitAudio_Gsxb(spec);
|
||||
} else if ((cookie_snd & SND_16BIT)!=0) {
|
||||
Mint_InitAudio_Xbios(spec);
|
||||
} else if ((cookie_snd & SND_8BIT)!=0) {
|
||||
Mint_InitAudio_Dma8(spec);
|
||||
}
|
||||
|
||||
return 1;
|
||||
/* Not in the array, give the latest */
|
||||
return MINTAUDIO_nfreq-1;
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue