audio_speech.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BLADERUNNER_AUDIO_SPEECH_H
#define BLADERUNNER_AUDIO_SPEECH_H

#include "bladerunner/bladerunner.h" // For BLADERUNNER_ORIGINAL_SETTINGS symbol

#include "common/str.h"
#include "common/types.h"

namespace BladeRunner {

class BladeRunnerEngine;

class AudioSpeech {
    static const int kBufferSize = 200000;
    static const int kSpeechSamples[];

    BladeRunnerEngine *_vm;

    int   _speechVolumeFactorOriginalEngine;  // should be in [0, 100] - Unused in ScummVM Engine, used in original engine
    bool  _isActive;
    int   _channel;
    byte *_data;

public:
    AudioSpeech(BladeRunnerEngine *vm);
    ~AudioSpeech();

    bool playSpeech(const Common::String &name, int pan = 0);
    void stopSpeech();
    bool isPlaying() const;

    bool playSpeechLine(int actorId, int sentenceId, int volume, int a4, int priority);

#if BLADERUNNER_ORIGINAL_SETTINGS
    void setVolume(int volume);
    int getVolume() const;
#endif // BLADERUNNER_ORIGINAL_SETTINGS
    void playSample();

private:
    void ended();
    static void mixerChannelEnded(int channel, void *data);
};

} // End of namespace BladeRunner

#endif