PINK: Implemented Sound Class

engines/pink/sound.cpp

@@ -0,0 +1,100 @@
+/* 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 <audio/audiostream.h>
+#include <audio/decoders/wave.h>
+#include <audio/decoders/adpcm.h>
+#include "sound.h"
+
+namespace Pink {
+
+Sound::Sound(Audio::Mixer *mixer, AudioFormat format, Common::SeekableReadStream *stream)
+    : _mixer(mixer)
+{
+    load(format, stream);
+}
+
+Sound::~Sound() {
+    //look for mem leak
+    stop();
+}
+
+bool Sound::isPlaying() {
+    return _mixer->isSoundHandleActive(_handle);
+
+}
+
+void Sound::pause() {
+    _mixer->pauseHandle(_handle, true);
+}
+
+void Sound::resume() {
+    _mixer->pauseHandle(_handle, false);
+}
+
+void Sound::stop() {
+    _mixer->stopHandle(_handle);
+}
+
+void Sound::play(Audio::Mixer::SoundType type, int volume, bool isLoop) {
+    _mixer->stopHandle(_handle);
+
+    if (isLoop) {
+        //bad impl?
+        Audio::SeekableAudioStream *seekableStream = dynamic_cast<Audio::SeekableAudioStream*>(_stream);
+        _stream = Audio::makeLoopingAudioStream(seekableStream, 0, 0, 0);
+    }
+
+    _mixer->playStream(type, &_handle ,_stream);
+}
+
+bool Sound::load(AudioFormat format, Common::SeekableReadStream *stream) {
+    //may be mem leak
+
+    // checked vox files in hex editor and they have WAVEfmt .
+    // It seems strange for me
+    // linux file says wav and vox are
+    // RIFF (little-endian) data, WAVE audio, Microsoft PCM, 8 bit, mono 22050 Hz
+
+    switch (format){
+        case AudioFormat::kWAV:
+            _stream = Audio::makeWAVStream(stream, DisposeAfterUse::NO);
+            break;
+        case AudioFormat::kVOX:
+            //TODO
+            // check for last arg; nBlockAlign(1, 4 or other)
+            _stream = Audio::makeADPCMStream(stream, DisposeAfterUse::NO, 0, Audio::kADPCMOki, 22050, 1, 0);
+            break;
+    }
+
+    return isLoaded();
+}
+
+bool Sound::isLoaded() {
+    return _stream != nullptr;
+}
+
+void Sound::setBalance(int8 balance) {
+    _mixer->setChannelBalance(_handle, balance);
+}
+
+} // End of namespace Pink

engines/pink/sound.h

@@ -0,0 +1,64 @@
+/* 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.
+ *
+ */
+
+#ifndef PINK_SOUND_H
+#define PINK_SOUND_H
+
+#include <common/stream.h>
+#include <audio/mixer.h>
+
+namespace Pink {
+
+enum class AudioFormat{kWAV, kVOX};
+
+/*TODO
+  from disasm foreground 100 %, background 80 %
+  dont know how to properly do it
+  may be use ConfMan
+*/
+
+class Sound {
+public:
+    Sound(Audio::Mixer *mixer, AudioFormat format, Common::SeekableReadStream *stream);
+    ~Sound();
+
+    bool load(AudioFormat format, Common::SeekableReadStream *stream);
+    void play(Audio::Mixer::SoundType type, int volume, bool isLoop);
+
+    bool isLoaded();
+    bool isPlaying();
+
+    void pause();
+    void resume();
+    void stop();
+
+    void setBalance(int8 balance);
+
+private:
+    Audio::Mixer *_mixer;
+    Audio::AudioStream *_stream;
+    Audio::SoundHandle _handle;
+};
+
+} // End of namespace Pink
+
+#endif