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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QFFMPEGVIDEOFRAMEENCODER_P_H
#define QFFMPEGVIDEOFRAMEENCODER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qffmpeghwaccel_p.h"
#include "qvideoframeformat.h"
#include "private/qplatformmediarecorder_p.h"
QT_BEGIN_NAMESPACE
namespace QFFmpeg {
class VideoFrameEncoder
{
public:
static std::unique_ptr<VideoFrameEncoder> create(const QMediaEncoderSettings &encoderSettings,
const QSize &sourceSize, qreal sourceFrameRate,
AVPixelFormat sourceFormat,
AVPixelFormat sourceSWFormat,
AVFormatContext *formatContext);
~VideoFrameEncoder();
bool open();
AVPixelFormat sourceFormat() const { return m_sourceFormat; }
AVPixelFormat targetFormat() const { return m_targetFormat; }
qint64 getPts(qint64 ms) const;
const AVRational &getTimeBase() const;
int sendFrame(AVFrameUPtr frame);
AVPacketUPtr retrievePacket();
private:
VideoFrameEncoder() = default;
void updateConversions();
bool initCodec();
bool initTargetFormats();
bool initCodecContext(AVFormatContext *formatContext);
private:
QMediaEncoderSettings m_settings;
QSize m_sourceSize;
std::unique_ptr<HWAccel> m_accel;
const AVCodec *m_codec = nullptr;
AVStream *m_stream = nullptr;
AVCodecContextUPtr m_codecContext;
std::unique_ptr<SwsContext, decltype(&sws_freeContext)> m_converter = { nullptr,
&sws_freeContext };
AVPixelFormat m_sourceFormat = AV_PIX_FMT_NONE;
AVPixelFormat m_sourceSWFormat = AV_PIX_FMT_NONE;
AVPixelFormat m_targetFormat = AV_PIX_FMT_NONE;
AVPixelFormat m_targetSWFormat = AV_PIX_FMT_NONE;
bool m_downloadFromHW = false;
bool m_uploadToHW = false;
AVRational m_codecFrameRate = { 0, 1 };
int64_t m_prevPacketDts = AV_NOPTS_VALUE;
int64_t m_packetDtsOffset = 0;
};
}
QT_END_NAMESPACE
#endif
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