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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2005 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "common/stdafx.h"
#include "common/config-manager.h"
#include "palm.h"
#include "pa1lib.h"
#define SND_BLOCK (3072)
#define ADPCM_8_KHZ 1
#define ADPCM_MODE_NONCONTINUOUS_PB 0x01
#define ADPCM_MODE_INTERRUPT_MODE 0x02
int OSystem_PALMOS::getOutputSampleRate() const {
return _samplesPerSec;
}
static void ClieSoundCallback(UInt32 UserData) {
SoundDataType *snd = (SoundDataType *)UserData;
snd->set = false;
}
bool OSystem_PALMOS::setSoundCallback(SoundProc proc, void *param) {
Boolean success = false;
if (!_sound.active) {
_sound.proc = proc;
_sound.param = param;
_sound.active = true; // always true when we call this function
_sound.dataP = NULL; // required by sound_handler
_sound.handle = NULL;
if (ConfMan.hasKey("output_rate"))
_samplesPerSec = ConfMan.getInt("output_rate");
else
_samplesPerSec = 8000; // default value
// try to create sound stream
if (OPTIONS_TST(kOptPalmSoundAPI)) {
void *sndFuncP;
_sound.handle = MemPtrNew(sizeof(SndStreamRef));
sndFuncP = sndCallback;
Err e = SndStreamCreateExtended(
(SndStreamRef *)_sound.handle,
sndOutput,
sndFormatPCM,
_samplesPerSec,
sndInt16Little,
sndStereo,
(SndStreamVariableBufferCallback)sndFuncP,
&_sound,
8192,
false);
e = e ? e : SndStreamStart(*((SndStreamRef *)_sound.handle));
e = e ? e : SndStreamSetVolume(*((SndStreamRef *)_sound.handle), 32767 / 2);
_sound.size = 0; // set by the callback
_sound.set = false;
_sound.wait = true;
success = (e == errNone);
} else if (OPTIONS_TST(kOptSonyPa1LibAPI)) {
static CallbackInfoType cbData;
_sound.handle = MemPtrNew(sizeof(UInt8));
cbData.funcP = &ClieSoundCallback;
cbData.dwUserData = (UInt32)&_sound;
_sound.size = SND_BLOCK;
_sound.set = false;
_sound.wait = true;
_sound.dataP = MemPtrNew(SND_BLOCK);
_sound.tmpP = MemPtrNew(SND_BLOCK / 8);
success = true; // don't generate samples
Pa1Lib_adpcmOpen(ADPCM_8_KHZ, (UInt8 *)_sound.tmpP, MemPtrSize(_sound.tmpP), &cbData, (UInt8 *)_sound.handle);
}
// failed or not supported
if (!success) {
_sound.size = SND_BLOCK;
_sound.set = false;
_sound.wait = false;
success = false; // don't generate samples
}
}
return true; // if not true some scenes (indy3 256,...) may freeze (ESC to skip)
}
void OSystem_PALMOS::clearSoundCallback() {
if (_sound.active) {
if (OPTIONS_TST(kOptPalmSoundAPI)) {
SndStreamStop(*((SndStreamRef *)_sound.handle));
SndStreamDelete(*((SndStreamRef *)_sound.handle));
}
free(_sound.dataP);
free(_sound.tmpP);
free(_sound.handle);
}
_sound.active = false;
_sound.dataP = NULL;
_sound.tmpP = NULL;
_sound.handle = NULL;
}
void OSystem_PALMOS::sound_handler() {
if (_sound.active) {
if (_sound.size && (!_sound.set || !_sound.wait)) {
if (!_sound.dataP)
_sound.dataP = MemPtrNew(_sound.size);
((SoundProc)_sound.proc)(_sound.param, (byte *)_sound.dataP, _sound.size);
if (OPTIONS_TST(kOptSonyPa1LibAPI)) {
pcm2adpcm((Int16 *)_sound.dataP, (UInt8 *)_sound.tmpP, _sound.size);
_sound.set = Pa1Lib_adpcmStart(*((UInt8 *)_sound.handle), ADPCM_MODE_NONCONTINUOUS_PB|ADPCM_MODE_INTERRUPT_MODE);
} else {
_sound.set = true;
}
}
}
}
bool OSystem_PALMOS::openCD(int drive) {
// TODO : add a function to CDAudio to init the MP3 driver (?)
return false;
}
void OSystem_PALMOS::stopCD() {
if (!_cdPlayer)
return;
_cdPlayer->stop();
}
void OSystem_PALMOS::playCD(int track, int num_loops, int start_frame, int duration) {
if (!_cdPlayer)
return;
_cdPlayer->play(track, num_loops, start_frame, duration);
}
bool OSystem_PALMOS::pollCD() {
if (!_cdPlayer)
return false;
return _cdPlayer->poll();
}
void OSystem_PALMOS::updateCD() {
if (!_cdPlayer)
return;
_cdPlayer->update();
}
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