diff options
Diffstat (limited to 'backends/platform/bada/audio.cpp')
| -rwxr-xr-x | backends/platform/bada/audio.cpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/backends/platform/bada/audio.cpp b/backends/platform/bada/audio.cpp new file mode 100755 index 0000000000..3510475b5c --- /dev/null +++ b/backends/platform/bada/audio.cpp @@ -0,0 +1,256 @@ +/* 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.
+ *
+ */
+
+#include <FSysSettingInfo.h>
+#include <FAppAppRegistry.h>
+
+#include "backends/platform/bada/audio.h"
+#include "backends/platform/bada/system.h"
+
+#define TIMER_INCREMENT 10
+#define TIMER_INTERVAL 40
+#define MIN_TIMER_INTERVAL 10
+#define MAX_TIMER_INTERVAL 160
+#define INIT_LEVEL 3
+#define CONFIG_KEY L"audiovol"
+
+// sound level pre-sets
+const int levels[] = {0, 1, 10, 45, 70, 99};
+
+AudioThread::AudioThread() :
+ _mixer(0),
+ _timer(0),
+ _audioOut(0),
+ _head(0),
+ _tail(0),
+ _ready(0),
+ _interval(TIMER_INTERVAL),
+ _playing(-1),
+ _muted(true) {
+}
+
+Audio::MixerImpl *AudioThread::Construct(OSystem *system) {
+ logEntered();
+
+ if (IsFailed(Thread::Construct(THREAD_TYPE_EVENT_DRIVEN))) {
+ AppLog("Failed to create AudioThread");
+ return null;
+ }
+
+ _mixer = new Audio::MixerImpl(system, 44100);
+ return _mixer;
+}
+
+AudioThread::~AudioThread() {
+ logEntered();
+}
+
+bool AudioThread::isSilentMode() {
+ bool silentMode;
+ String key(L"SilentMode");
+ Osp::System::SettingInfo::GetValue(key, silentMode);
+ return silentMode;
+}
+
+void AudioThread::setMute(bool on) {
+ if (_audioOut && !isSilentMode()) {
+ _muted = on;
+ if (on) {
+ _timer->Cancel();
+ } else {
+ _timer->Start(_interval);
+ }
+ }
+}
+
+int AudioThread::setVolume(bool up, bool minMax) {
+ int level = -1;
+ int numLevels = sizeof(levels) / sizeof(levels[0]);
+
+ if (_audioOut && !isSilentMode()) {
+ int volume = _audioOut->GetVolume();
+ if (minMax) {
+ level = up ? numLevels - 1 : 0;
+ volume = levels[level];
+ } else {
+ // adjust volume to be one of the preset values
+ for (int i = 0; i < numLevels && level == -1; i++) {
+ if (volume == levels[i]) {
+ level = i;
+ if (up) {
+ if (i + 1 < numLevels) {
+ level = i + 1;
+ }
+ } else if (i > 0) {
+ level = i - 1;
+ }
+ }
+ }
+
+ // default to INIT_LEVEL when current not preset value
+ if (level == -1) {
+ level = INIT_LEVEL;
+ }
+ volume = levels[level];
+ }
+
+ _audioOut->SetVolume(volume);
+
+ // remember the chosen setting
+ AppRegistry *registry = Application::GetInstance()->GetAppRegistry();
+ if (registry) {
+ registry->Set(CONFIG_KEY, volume);
+ }
+ }
+ return level;
+}
+
+bool AudioThread::OnStart(void) {
+ logEntered();
+
+ _audioOut = new Osp::Media::AudioOut();
+ if (!_audioOut ||
+ IsFailed(_audioOut->Construct(*this))) {
+ AppLog("Failed to create AudioOut");
+ return false;
+ }
+
+ int sampleRate = _mixer->getOutputRate();
+ if (IsFailed(_audioOut->Prepare(AUDIO_TYPE_PCM_S16_LE,
+ AUDIO_CHANNEL_TYPE_STEREO,
+ sampleRate))) {
+ AppLog("Failed to prepare AudioOut %d", sampleRate);
+ return false;
+ }
+
+ int bufferSize = _audioOut->GetMinBufferSize();
+ AppLog("bufferSize = %d", bufferSize);
+
+ for (int i = 0; i < NUM_AUDIO_BUFFERS; i++) {
+ if (IsFailed(_audioBuffer[i].Construct(bufferSize))) {
+ AppLog("Failed to create audio buffer");
+ return false;
+ }
+ }
+
+ _timer = new Timer();
+ if (!_timer || IsFailed(_timer->Construct(*this))) {
+ AppLog("Failed to create audio timer");
+ return false;
+ }
+
+ if (IsFailed(_timer->Start(_interval))) {
+ AppLog("failed to start audio timer");
+ return false;
+ }
+
+ // get the volume from the app-registry
+ int volume = levels[INIT_LEVEL];
+ AppRegistry *registry = Application::GetInstance()->GetAppRegistry();
+ if (registry) {
+ if (E_KEY_NOT_FOUND == registry->Get(CONFIG_KEY, volume)) {
+ registry->Add(CONFIG_KEY, volume);
+ volume = levels[INIT_LEVEL];
+ } else {
+ AppLog("Setting volume: %d", volume);
+ }
+ }
+
+ _muted = false;
+ _mixer->setReady(true);
+ _audioOut->SetVolume(isSilentMode() ? 0 : volume);
+ _audioOut->Start();
+ return true;
+}
+
+void AudioThread::OnStop(void) {
+ logEntered();
+
+ _mixer->setReady(false);
+
+ if (_timer) {
+ if (!_muted) {
+ _timer->Cancel();
+ }
+ delete _timer;
+ }
+
+ if (_audioOut) {
+ _audioOut->Reset();
+ delete _audioOut;
+ }
+}
+
+void AudioThread::OnAudioOutErrorOccurred(Osp::Media::AudioOut &src, result r) {
+ logEntered();
+}
+
+void AudioThread::OnAudioOutInterrupted(Osp::Media::AudioOut &src) {
+ logEntered();
+}
+
+void AudioThread::OnAudioOutReleased(Osp::Media::AudioOut &src) {
+ logEntered();
+}
+
+void AudioThread::OnAudioOutBufferEndReached(Osp::Media::AudioOut &src) {
+ if (_ready > 0) {
+ _playing = _tail;
+ _audioOut->WriteBuffer(_audioBuffer[_tail]);
+ _tail = (_tail + 1 == NUM_AUDIO_BUFFERS ? 0 : _tail + 1);
+ _ready--;
+ } else {
+ // audio buffer empty: decrease timer inverval
+ _playing = -1;
+ _interval -= TIMER_INCREMENT;
+ if (_interval < MIN_TIMER_INTERVAL) {
+ _interval = MIN_TIMER_INTERVAL;
+ }
+ }
+}
+
+void AudioThread::OnTimerExpired(Timer &timer) {
+ if (_ready < NUM_AUDIO_BUFFERS) {
+ uint len = _audioBuffer[_head].GetCapacity();
+ int samples = _mixer->mixCallback((byte*)_audioBuffer[_head].GetPointer(), len);
+ if (samples) {
+ _head = (_head + 1 == NUM_AUDIO_BUFFERS ? 0 : _head + 1);
+ _ready++;
+ }
+ } else {
+ // audio buffer full: increase timer inverval
+ _interval += TIMER_INCREMENT;
+ if (_interval > MAX_TIMER_INTERVAL) {
+ _interval = MAX_TIMER_INTERVAL;
+ }
+ }
+
+ if (_ready && _playing == -1) {
+ OnAudioOutBufferEndReached(*_audioOut);
+ }
+
+ _timer->Start(_interval);
+}
+
+//
+// end of audio.cpp
+//
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