148 lines
3.8 KiB
C++
148 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "be_os5.h"
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#include "common/config-manager.h"
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#ifdef PALMOS_ARM
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# ifdef COMPILE_ZODIAC
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# define SAMPLES_PER_SEC 44100
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# else
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# define SAMPLES_PER_SEC 22050
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# endif
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#else
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# define SAMPLES_PER_SEC 8000
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#endif
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SoundExType _soundEx;
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static Err sndCallback(void* UserDataP, SndStreamRef stream, void* bufferP, UInt32 *bufferSizeP) {
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SoundExType *_soundEx = (SoundExType *)UserDataP;
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SoundType *_sound = _soundEx->sound;
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if (_soundEx->set && _soundEx->size) {
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MemMove(bufferP, _soundEx->dataP, _soundEx->size);
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*bufferSizeP = _soundEx->size;
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_soundEx->set = false;
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} else {
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_soundEx->size = *bufferSizeP;
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MemSet(bufferP, 128, 0);
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*bufferSizeP = 128;
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}
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return errNone;
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}
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void OSystem_PalmOS5::sound_handler() {
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if (_sound.active) {
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if (_soundEx.size && !_soundEx.set) {
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if (!_soundEx.dataP)
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_soundEx.dataP = MemPtrNew(_soundEx.size);
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((SoundProc)_sound.proc)(_sound.param, (byte *)_soundEx.dataP, _soundEx.size);
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_soundEx.set = true;
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}
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}// TODO : no Sound API case
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}
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SndStreamVariableBufferCallback OSystem_PalmOS5::sound_callback() {
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return sndCallback;
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}
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bool OSystem_PalmOS5::setSoundCallback(SoundProc proc, void *param) {
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Err e;
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Boolean success = false;
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if (!_sound.active) {
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if (gVars->fmQuality != FM_QUALITY_INI) {
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ConfMan.setBool("FM_medium_quality", (gVars->fmQuality == FM_QUALITY_MED));
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ConfMan.setBool("FM_high_quality", (gVars->fmQuality == FM_QUALITY_HI));
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}
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#if defined (COMPILE_OS5)
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CALLBACK_INIT(_soundEx);
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#endif
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_sound.proc = proc;
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_sound.param = param;
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_sound.active = true; // always true when we call this function, false when sound is off
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_soundEx.handle = 0;
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_soundEx.size = 0; // set by the callback
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_soundEx.set = false;
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_soundEx.dataP = NULL; // set by the handler
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if (ConfMan.hasKey("output_rate"))
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_samplesPerSec = ConfMan.getInt("output_rate");
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else
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_samplesPerSec = SAMPLES_PER_SEC;
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// try to create sound stream
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if (OPTIONS_TST(kOptPalmSoundAPI)) {
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e = SndStreamCreateExtended(
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&_soundEx.handle,
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sndOutput,
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sndFormatPCM,
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_samplesPerSec,
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sndInt16Little,
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sndStereo,
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sound_callback(),
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&_soundEx,
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8192
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#ifdef COMPILE_OS5
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,true
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#endif
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);
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e = e ? e : SndStreamStart(_soundEx.handle);
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e = e ? e : SndStreamSetVolume(_soundEx.handle, 1024L * gVars->palmVolume / 100);
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success = (e == errNone);
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// no Sound API
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} else {
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_soundEx.size = 512;
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_soundEx.dataP = MemPtrNew(_soundEx.size);
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}
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}
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// if not true some scenes (indy3 256,...) may freeze (ESC to skip)
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return true;
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}
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void OSystem_PalmOS5::clearSoundCallback() {
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if (_sound.active) {
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if (OPTIONS_TST(kOptPalmSoundAPI)) {
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SndStreamStop(_soundEx.handle);
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SndStreamDelete(_soundEx.handle);
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}
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if (_soundEx.dataP)
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MemPtrFree(_soundEx.dataP);
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}
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_sound.active = false;
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_soundEx.handle = NULL;
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_soundEx.dataP = NULL;
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}
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