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91 lines
2.0 KiB
C++
91 lines
2.0 KiB
C++
#ifndef CFFMPEG_DECODE_H
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#define CFFMPEG_DECODE_H
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#include <QDateTime>
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#include <QDebug>
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#include <QDir>
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#include <QImage>
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#include <QPaintEvent>
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#include <QPainter>
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#include <QThread>
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#include <QWidget>
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extern "C" {
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#include "libavcodec/avcodec.h"
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#include <libavutil/channel_layout.h>
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#include <libavutil/common.h>
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#include <libavutil/frame.h>
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#include <libavutil/imgutils.h>
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#include <libavutil/mem.h>
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#include <libavutil/opt.h>
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#include <libavutil/parseutils.h>
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#include <libavutil/samplefmt.h>
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#include <libswscale/swscale.h>
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#include <libavformat/avformat.h>
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}
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// class Cffmpeg_decode: public QThread
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class Cffmpeg_decode : public QObject {
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Q_OBJECT
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public:
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// explicit Cffmpeg_decode();
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Cffmpeg_decode(QObject *parent = nullptr);
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~Cffmpeg_decode();
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public:
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bool open_input_file();
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bool IsstopPlay = false;
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void stop();
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/**
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* @brief 设置拉流保存文件夹路径
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* @param fileDirPath 文件夹路径
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*/
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void setSaveFileDirPath(QString fileDirPath);
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public slots:
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void run();
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void setUrl(QString url);
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signals:
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void sendQImage(QImage);
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void sendConnectFail(int);
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private:
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AVFormatContext *inputFormatCtx = NULL; //
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AVCodecContext *decoderCtx = NULL; //
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AVCodecContext *encoderCtx = NULL; //
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const AVCodec *decoder = NULL; // 解码器
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AVPacket *inputPacket = NULL; //
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AVFrame *yuvFrame = NULL;
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AVFrame *rgbFrame = NULL;
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struct SwsContext *swsCtx = NULL; // 图像转换上下文
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AVCodecParameters *videoCodecPara = nullptr;
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unsigned char *out_buffer = nullptr;
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int videoStreamIndex = -1;
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int videoStreamIndexOut = -1;
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int numBytes = -1;
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QString _url;
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QString saveFileDirPath;
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/******** 保存裸流使用 ******************/
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AVFormatContext *m_formatContextSave = nullptr; // 封装上下文
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QString m_strCodecName; // 编解码器名称
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AVStream *m_videoStreamOut = nullptr; // 输出视频流
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bool m_writeHeader = false; // 是否写入文件头
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private:
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bool openSave();
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void saveDone();
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};
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#endif // CFFMPEG_DECODE_H
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