You've already forked libopenshot
mirror of
https://github.com/OpenShot/libopenshot.git
synced 2026-03-02 08:53:52 -08:00
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/**
|
|
* @file
|
|
* @brief Source file for AudioPlaybackThread class
|
|
* @author Duzy Chan <code@duzy.info>
|
|
* @author Jonathan Thomas <jonathan@openshot.org>
|
|
*
|
|
* @section LICENSE
|
|
*
|
|
* Copyright (c) 2008-2014 OpenShot Studios, LLC
|
|
* <http://www.openshotstudios.com/>. This file is part of
|
|
* OpenShot Library (libopenshot), an open-source project dedicated to
|
|
* delivering high quality video editing and animation solutions to the
|
|
* world. For more information visit <http://www.openshot.org/>.
|
|
*
|
|
* OpenShot Library (libopenshot) is free software: you can redistribute it
|
|
* and/or modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* OpenShot Library (libopenshot) 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef OPENSHOT_AUDIO_PLAYBACK_THREAD_H
|
|
#define OPENSHOT_AUDIO_PLAYBACK_THREAD_H
|
|
|
|
#include "../../include/ReaderBase.h"
|
|
#include "../../include/RendererBase.h"
|
|
#include "../../include/AudioReaderSource.h"
|
|
|
|
namespace openshot
|
|
{
|
|
using juce::Thread;
|
|
using juce::WaitableEvent;
|
|
|
|
struct SafeTimeSliceThread : TimeSliceThread
|
|
{
|
|
SafeTimeSliceThread(const String & s) : TimeSliceThread(s) {}
|
|
void run()
|
|
{
|
|
try {
|
|
TimeSliceThread::run();
|
|
} catch (const TooManySeeks & e) {
|
|
// ...
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @brief The audio playback thread
|
|
*/
|
|
class AudioPlaybackThread : Thread
|
|
{
|
|
AudioDeviceManager audioDeviceManager;
|
|
AudioSourcePlayer player;
|
|
AudioTransportSource transport;
|
|
MixerAudioSource mixer;
|
|
AudioReaderSource *source;
|
|
double sampleRate;
|
|
int numChannels;
|
|
WaitableEvent play;
|
|
WaitableEvent played;
|
|
int buffer_size;
|
|
bool is_playing;
|
|
SafeTimeSliceThread time_thread;
|
|
|
|
/// Constructor
|
|
AudioPlaybackThread();
|
|
/// Destructor
|
|
~AudioPlaybackThread();
|
|
|
|
/// Set the current thread's reader
|
|
void Reader(ReaderBase *reader);
|
|
|
|
/// Get the current frame object (which is filling the buffer)
|
|
tr1::shared_ptr<Frame> getFrame();
|
|
|
|
/// Get the current frame number being played
|
|
int getCurrentFramePosition();
|
|
|
|
/// Play the audio
|
|
void Play();
|
|
|
|
/// Seek the audio thread
|
|
void Seek(int new_position);
|
|
|
|
/// Stop the audio playback
|
|
void Stop();
|
|
|
|
/// Start thread
|
|
void run();
|
|
|
|
/// Set Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)
|
|
void setSpeed(int new_speed) { if (source) source->setSpeed(new_speed); }
|
|
|
|
/// Get Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)
|
|
int getSpeed() const { if (source) return source->getSpeed(); else return 1; }
|
|
|
|
friend class PlayerPrivate;
|
|
friend class QtPlayer;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // OPENSHOT_AUDIO_PLAYBACK_THREAD_H
|