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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifdef _WIN32_WCE
// Disable symbol overrides so that we can use system headers.
#define FORBIDDEN_SYMBOL_ALLOW_ALL
#include "common/config-manager.h"
#include "backends/platform/wince/wince-sdl.h"
#include "backends/mixer/wincesdl/wincesdl-mixer.h"
#include "common/system.h"
#include "common/textconsole.h"
#ifdef USE_VORBIS
#ifndef USE_TREMOR
#include <vorbis/vorbisfile.h>
#else
#ifdef USE_TREMOLO
#include <tremolo/ivorbisfile.h>
#else
#include <tremor/ivorbisfile.h>
#endif
#endif
#endif
#define SAMPLES_PER_SEC_OLD 11025
#define SAMPLES_PER_SEC_NEW 22050
WINCESdlMixerManager::WINCESdlMixerManager() {
}
WINCESdlMixerManager::~WINCESdlMixerManager() {
}
void WINCESdlMixerManager::init() {
SDL_AudioSpec desired;
int thread_priority;
uint32 sampleRate = compute_sample_rate();
if (sampleRate == 0)
warning("OSystem_WINCE3::setupMixer called with sample rate 0 - audio will not work");
else if (_mixer && _mixer->getOutputRate() == sampleRate) {
debug(1, "Skipping sound mixer re-init: samplerate is good");
return;
}
memset(&desired, 0, sizeof(desired));
desired.freq = sampleRate;
desired.format = AUDIO_S16SYS;
desired.channels = 2;
desired.samples = 128;
desired.callback = private_sound_proc;
desired.userdata = this;
// Create the mixer instance
if (_mixer == 0)
_mixer = new Audio::MixerImpl(g_system, sampleRate);
// Add sound thread priority
if (!ConfMan.hasKey("sound_thread_priority"))
thread_priority = THREAD_PRIORITY_NORMAL;
else
thread_priority = ConfMan.getInt("sound_thread_priority");
desired.thread_priority = thread_priority;
SDL_CloseAudio();
if (SDL_OpenAudio(&desired, NULL) != 0) {
warning("Could not open audio device: %s", SDL_GetError());
_mixer->setReady(false);
} else {
debug(1, "Sound opened OK, mixing at %d Hz", sampleRate);
// Re-create mixer to match the output rate
int vol1 = _mixer->getVolumeForSoundType(Audio::Mixer::kPlainSoundType);
int vol2 = _mixer->getVolumeForSoundType(Audio::Mixer::kMusicSoundType);
int vol3 = _mixer->getVolumeForSoundType(Audio::Mixer::kSFXSoundType);
int vol4 = _mixer->getVolumeForSoundType(Audio::Mixer::kSpeechSoundType);
delete _mixer;
_mixer = new Audio::MixerImpl(g_system, sampleRate);
_mixer->setVolumeForSoundType(Audio::Mixer::kPlainSoundType, vol1);
_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, vol2);
_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, vol3);
_mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, vol4);
_mixer->setReady(true);
SDL_PauseAudio(0);
}
}
void WINCESdlMixerManager::private_sound_proc(void *param, byte *buf, int len) {
WINCESdlMixerManager *this_ = (WINCESdlMixerManager *)param;
assert(this_);
if (this_->_mixer)
this_->_mixer->mixCallback(buf, len);
if (!OSystem_WINCE3::_soundMaster)
memset(buf, 0, len);
}
uint32 WINCESdlMixerManager::compute_sample_rate() {
uint32 sampleRate;
// Force at least medium quality FM synthesis for FOTAQ
Common::String gameid(ConfMan.get("gameid"));
if (gameid == "queen") {
if (!((ConfMan.hasKey("FM_high_quality") && ConfMan.getBool("FM_high_quality")) ||
(ConfMan.hasKey("FM_medium_quality") && ConfMan.getBool("FM_medium_quality")))) {
ConfMan.setBool("FM_medium_quality", true);
ConfMan.flushToDisk();
}
}
// See if the output frequency is forced by the game
if (gameid == "ft" || gameid == "dig" || gameid == "comi" || gameid == "queen" || gameid == "sword" || gameid == "agi")
sampleRate = SAMPLES_PER_SEC_NEW;
else {
if (ConfMan.hasKey("high_sample_rate") && ConfMan.getBool("high_sample_rate"))
sampleRate = SAMPLES_PER_SEC_NEW;
else
sampleRate = SAMPLES_PER_SEC_OLD;
}
#ifdef USE_VORBIS
// Modify the sample rate on the fly if OGG is involved
if (sampleRate == SAMPLES_PER_SEC_OLD)
if (checkOggHighSampleRate())
sampleRate = SAMPLES_PER_SEC_NEW;
#endif
return sampleRate;
}
#ifdef USE_VORBIS
bool WINCESdlMixerManager::checkOggHighSampleRate() {
char trackFile[255];
FILE *testFile;
OggVorbis_File *test_ov_file = new OggVorbis_File;
// FIXME: The following sprintf assumes that "path" is always
// terminated by a path separator. This is *not* true in general.
// This code really should check for the path separator, or even
// better, use the FSNode API.
sprintf(trackFile, "%sTrack1.ogg", ConfMan.get("path").c_str());
// Check if we have an OGG audio track
testFile = fopen(trackFile, "rb");
if (testFile) {
if (!ov_open(testFile, test_ov_file, NULL, 0)) {
bool highSampleRate = (ov_info(test_ov_file, -1)->rate == 22050);
ov_clear(test_ov_file);
delete test_ov_file;
return highSampleRate;
}
}
// Do not test for OGG samples - too big and too slow anyway :)
delete test_ov_file;
return false;
}
#endif
#endif
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