scummvm/engines/bladerunner/audio_speech.cpp
2016-09-29 22:33:40 +02:00

97 lines
2.4 KiB
C++

/* 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 "bladerunner/audio_speech.h"
#include "bladerunner/aud_stream.h"
#include "bladerunner/bladerunner.h"
#include "common/debug.h"
namespace BladeRunner {
#define BUFFER_SIZE 200000
AudioSpeech::AudioSpeech(BladeRunnerEngine *vm)
: _vm(vm)
{
_volume = 50;
_isMaybeActive = false;
_data = new byte[BUFFER_SIZE];
}
AudioSpeech::~AudioSpeech() {
delete[] _data;
}
bool AudioSpeech::playSpeech(const char *name, int balance) {
// debug("AudioSpeech::playSpeech(\"%s\")", name);
Common::ScopedPtr<Common::SeekableReadStream> r(_vm->getResourceStream(name));
if (!r) {
warning("AudioSpeech::playSpeech: AUD resource \"%s\" not found", name);
return false;
}
if (r->size() > BUFFER_SIZE) {
warning("AudioSpeech::playSpeech: AUD larger than buffer size (%d > %d)", r->size(), BUFFER_SIZE);
return false;
}
if (isPlaying()) {
stopSpeech();
}
r->read(_data, r->size());
if (r->err()) {
warning("AudioSpeech::playSpeech: Error reading resource \"%s\"", name);
return false;
}
AudStream *audioStream = new AudStream(_data);
_vm->_mixer->playStream(
Audio::Mixer::kPlainSoundType,
&_soundHandle,
audioStream,
-1,
_volume * 255 / 100,
balance);
_isMaybeActive = true;
return true;
}
void AudioSpeech::stopSpeech() {
_vm->_mixer->stopHandle(_soundHandle);
}
bool AudioSpeech::isPlaying() {
if (!_isMaybeActive)
return false;
return _isMaybeActive = _vm->_mixer->isSoundHandleActive(_soundHandle);
}
} // End of namespace BladeRunner