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2026-02-21 17:11:31 +09:00
commit 18b4338361
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--- a/project/fm_viewer/fav/AudioFrame.h
+++ b/project/fm_viewer/fav/AudioFrame.h
@@ -0,0 +1,77 @@
+/******************************************************************************
+    QtAV:  Multimedia framework based on Qt and FFmpeg
+    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
+
+*   This file is part of QtAV
+
+    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_AUDIOFRAME_H
+#define QTAV_AUDIOFRAME_H
+
+#include "Frame.h"
+#include "AudioFormat.h"
+
+namespace FAV {
+class AudioResampler;
+class AudioFramePrivate;
+class Q_AV_EXPORT AudioFrame : public Frame
+{
+    Q_DECLARE_PRIVATE(AudioFrame)
+public:
+    //data must be complete
+    /*!
+     * \brief AudioFrame
+     * construct an audio frame from a given buffer and format
+     */
+    AudioFrame(const AudioFormat& format = AudioFormat(), const QByteArray& data = QByteArray());
+    AudioFrame(const AudioFrame &other);
+    virtual ~AudioFrame();
+    AudioFrame &operator =(const AudioFrame &other);
+
+    bool isValid() const;
+    operator bool() const { return isValid();}
+
+    /*!
+     * \brief data
+     * Audio data. clone is called if frame is not constructed with a QByteArray.
+     * \return
+     */
+    QByteArray data();
+    virtual int channelCount() const;
+    /*!
+     * Deep copy. If you want to copy data from somewhere, knowing the format, width and height,
+     * then you can use clone().
+     */
+    AudioFrame clone() const;
+    AudioFormat format() const;
+    void setSamplesPerChannel(int samples);
+    // may change after resampling
+    int samplesPerChannel() const;
+    AudioFrame to(const AudioFormat& fmt) const;
+    //AudioResamplerId
+    void setAudioResampler(AudioResampler *conv); //TODO: remove
+    /*!
+        Returns the number of microseconds represented by \a bytes in this format.
+        Returns 0 if this format is not valid.
+        Note that some rounding may occur if \a bytes is not an exact multiple
+        of the number of bytes per frame.
+    */
+    qint64 duration() const;
+};
+} //namespace FAV
+Q_DECLARE_METATYPE(FAV::AudioFrame)
+#endif // QTAV_AUDIOFRAME_H