93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2015)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#ifndef QTAV_AUDIOENCODER_H
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#define QTAV_AUDIOENCODER_H
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#include "AVEncoder.h"
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#if !(REMOVE_AV_ENCODER)
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#include "AudioFrame.h"
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#include <QtCore/QStringList>
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namespace FAV {
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typedef int AudioEncoderId;
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class AudioEncoderPrivate;
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class Q_AV_EXPORT AudioEncoder : public AVEncoder
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{
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Q_OBJECT
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Q_PROPERTY(FAV::AudioFormat audioFormat READ audioFormat WRITE setAudioFormat NOTIFY audioFormatChanged)
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Q_DISABLE_COPY(AudioEncoder)
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DPTR_DECLARE_PRIVATE(AudioEncoder)
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public:
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static QStringList supportedCodecs();
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static AudioEncoder* create(AudioEncoderId id);
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/*!
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* \brief create
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* create an encoder from registered names
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* \param name can be "FFmpeg". FFmpeg encoder will be created for empty name
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* \return 0 if not registered
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*/
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static AudioEncoder* create(const char* name = "FFmpeg");
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virtual AudioEncoderId id() const = 0;
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QString name() const Q_DECL_OVERRIDE; //name from factory
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/*!
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* \brief encode
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* encode a audio frame to a Packet
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* \param frame pass an invalid frame to get delayed frames
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* \return
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*/
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virtual bool encode(const AudioFrame& frame = AudioFrame()) = 0;
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/// output parameters
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/*!
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* \brief audioFormat
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* If not set or set to an invalid format, a supported format will be used and audioFormat() will be that format after open()
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* \return
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* TODO: check supported formats
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*/
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const AudioFormat& audioFormat() const;
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void setAudioFormat(const AudioFormat& format);
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Q_SIGNALS:
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void audioFormatChanged();
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public:
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template<class C> static bool Register(AudioEncoderId id, const char* name) { return Register(id, create<C>, name);}
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/*!
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* \brief next
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* \param id NULL to get the first id address
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* \return address of id or NULL if not found/end
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*/
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static AudioEncoderId* next(AudioEncoderId* id = 0);
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static const char* name(AudioEncoderId id);
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static AudioEncoderId id(const char* name);
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private:
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template<class C> static AudioEncoder* create() { return new C();}
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typedef AudioEncoder* (*AudioEncoderCreator)();
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static bool Register(AudioEncoderId id, AudioEncoderCreator, const char *name);
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protected:
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AudioEncoder(AudioEncoderPrivate& d);
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private:
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AudioEncoder();
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};
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} //namespace FAV
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#endif // QTAV_AUDIOENCODER_H
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#endif // #if !(REMOVE_AV_ENCODER)
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