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110 lines
3.5 KiB
C++
110 lines
3.5 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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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @section LICENSE
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*
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* Copyright (c) 2008-2014 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Affero General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero 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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* Also, if your software can interact with users remotely through a computer
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* network, you should also make sure that it provides a way for users to
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* get its source. For example, if your program is a web application, its
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* interface could display a "Source" link that leads users to an archive
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* of the code. There are many ways you could offer source, and different
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* solutions will be better for different programs; see section 13 for the
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* specific requirements.
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*
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* You should also get your employer (if you work as a programmer) or school,
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* if any, to sign a "copyright disclaimer" for the program, if necessary.
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* For more information on this, and how to apply and follow the GNU AGPL, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPENSHOT_AUDIO_PLAYBACK_THREAD_H
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#define OPENSHOT_AUDIO_PLAYBACK_THREAD_H
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#include "../../include/ReaderBase.h"
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#include "../../include/RendererBase.h"
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#include "../../include/AudioReaderSource.h"
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namespace openshot
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{
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using juce::Thread;
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using juce::WaitableEvent;
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/**
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* @brief The audio playback thread
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*/
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class AudioPlaybackThread : Thread
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{
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AudioDeviceManager audioDeviceManager;
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AudioSourcePlayer player;
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AudioTransportSource transport;
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MixerAudioSource mixer;
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AudioReaderSource *source;
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double sampleRate;
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int numChannels;
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WaitableEvent play;
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WaitableEvent played;
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int buffer_size;
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bool is_playing;
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/// Constructor
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AudioPlaybackThread();
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/// Destructor
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~AudioPlaybackThread();
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/// Set the current thread's reader
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void Reader(ReaderBase *reader);
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/// Get the current frame object (which is filling the buffer)
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tr1::shared_ptr<Frame> getFrame();
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/// Get the current frame number being played
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int getCurrentFramePosition();
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/// Play the audio
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void Play();
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/// Seek the audio thread
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void Seek(int new_position);
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/// Stop the audio playback
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void Stop();
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/// Start thread
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void run();
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/// Set Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)
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void setSpeed(int new_speed) { if (source) source->setSpeed(new_speed); }
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/// Get Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)
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int getSpeed() const { if (source) return source->getSpeed(); else return 1; }
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friend class PlayerPrivate;
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friend class QtPlayer;
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};
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}
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#endif // OPENSHOT_AUDIO_PLAYBACK_THREAD_H
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