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2026-02-21 17:11:31 +09:00
commit 18b4338361
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--- a/project/fm_viewer/fav/AudioEncoder.h
+++ b/project/fm_viewer/fav/AudioEncoder.h
@@ -0,0 +1,92 @@
+/******************************************************************************
+    QtAV:  Multimedia framework based on Qt and FFmpeg
+    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
+
+*   This file is part of QtAV (from 2015)
+
+    This library 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 2.1 of the License, or (at your option) any later version.
+
+    This library 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 this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+******************************************************************************/
+
+#ifndef QTAV_AUDIOENCODER_H
+#define QTAV_AUDIOENCODER_H
+
+#include "AVEncoder.h"
+#if !(REMOVE_AV_ENCODER)
+#include "AudioFrame.h"
+#include <QtCore/QStringList>
+
+namespace FAV {
+typedef int AudioEncoderId;
+class AudioEncoderPrivate;
+class Q_AV_EXPORT AudioEncoder : public AVEncoder
+{
+    Q_OBJECT
+    Q_PROPERTY(FAV::AudioFormat audioFormat READ audioFormat WRITE setAudioFormat NOTIFY audioFormatChanged)
+    Q_DISABLE_COPY(AudioEncoder)
+    DPTR_DECLARE_PRIVATE(AudioEncoder)
+public:
+    static QStringList supportedCodecs();
+    static AudioEncoder* create(AudioEncoderId id);
+    /*!
+     * \brief create
+     * create an encoder from registered names
+     * \param name can be "FFmpeg". FFmpeg encoder will be created for empty name
+     * \return 0 if not registered
+     */
+    static AudioEncoder* create(const char* name = "FFmpeg");
+    virtual AudioEncoderId id() const = 0;
+    QString name() const Q_DECL_OVERRIDE; //name from factory
+    /*!
+     * \brief encode
+     * encode a audio frame to a Packet
+     * \param frame pass an invalid frame to get delayed frames
+     * \return
+     */
+    virtual bool encode(const AudioFrame& frame = AudioFrame()) = 0;
+
+    /// output parameters
+    /*!
+     * \brief audioFormat
+     * If not set or set to an invalid format, a supported format will be used and audioFormat() will be that format after open()
+     * \return
+     * TODO: check supported formats
+     */
+    const AudioFormat& audioFormat() const;
+    void setAudioFormat(const AudioFormat& format);
+Q_SIGNALS:
+    void audioFormatChanged();
+public:
+    template<class C> static bool Register(AudioEncoderId id, const char* name) { return Register(id, create<C>, name);}
+    /*!
+     * \brief next
+     * \param id NULL to get the first id address
+     * \return address of id or NULL if not found/end
+     */
+    static AudioEncoderId* next(AudioEncoderId* id = 0);
+    static const char* name(AudioEncoderId id);
+    static AudioEncoderId id(const char* name);
+private:
+    template<class C> static AudioEncoder* create() { return new C();}
+    typedef AudioEncoder* (*AudioEncoderCreator)();
+    static bool Register(AudioEncoderId id, AudioEncoderCreator, const char *name);
+protected:
+    AudioEncoder(AudioEncoderPrivate& d);
+private:
+    AudioEncoder();
+};
+
+} //namespace FAV
+#endif // QTAV_AUDIOENCODER_H
+#endif // #if !(REMOVE_AV_ENCODER)