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93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/**
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* @file
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* @brief Source file for AudioPlaybackThread class
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* @author Duzy Chan <code@duzy.info>
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*
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* @section LICENSE
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*
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* Copyright (c) 2008-2013 OpenShot Studios, LLC
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* (http://www.openshotstudios.com). This file is part of
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* OpenShot Library (http://www.openshot.org), an open-source project
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* dedicated to delivering high quality video editing and animation solutions
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* to the world.
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*
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* OpenShot Library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenShot Library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../include/ReaderBase.h"
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#include "../include/RendererBase.h"
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#include "AudioPlaybackThread.h"
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namespace openshot
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{
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AudioPlaybackThread::AudioPlaybackThread()
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: Thread("audio-playback")
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, audioDeviceManager()
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, player()
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, transport()
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, mixer()
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, source(NULL)
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, sampleRate(0.0)
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, numChannels(0)
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{
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audioDeviceManager.initialise (
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0, /* number of input channels */
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2, /* number of output channels */
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0, /* no XML settings.. */
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true /* select default device on failure */);
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audioDeviceManager.addAudioCallback(&player);
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mixer.addInputSource(&transport, false);
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player.setSource(&mixer);
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}
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AudioPlaybackThread::~AudioPlaybackThread()
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{
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player.setSource(0);
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audioDeviceManager.removeAudioCallback(&player);
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audioDeviceManager.closeAudioDevice();
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audioDeviceManager.removeAllChangeListeners();
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audioDeviceManager.dispatchPendingMessages();
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}
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void AudioPlaybackThread::run()
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{
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while (!threadShouldExit()) {
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play.wait();
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/*
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// Create TimeSliceThread for audio buffering
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TimeSliceThread my_thread("Audio buffer thread");
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// Start thread
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my_thread.startThread();
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transport.setSource(
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&source,
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5000, // tells it to buffer this many samples ahead
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&my_thread,
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sampleRate,
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numChannels);
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transport.setPosition(0);
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transport.setGain(1.0);
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transport.start();
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while (transport.isPlaying()) {
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sleep(10);
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}
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transport.stop();
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transport.setSource(0);
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*/
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played.signal();
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}
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}
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}
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