105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
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#ifndef FFMPEG_H
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#define FFMPEG_H
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#include <QtGui>
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#if (QT_VERSION >= QT_VERSION_CHECK(5,0,0))
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#include <QtWidgets>
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#endif
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#include "ffmpeginclude.h"
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class FFmpegThread : public QThread
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{
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Q_OBJECT
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public:
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explicit FFmpegThread(QObject *parent = 0);
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static void initlib();
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protected:
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void run();
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private:
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volatile bool stopped; //线程停止标志位
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volatile bool isPlay; //播放视频标志位
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int frameFinish; //一帧完成
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int videoWidth; //视频宽度
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int videoHeight; //视频高度
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int videoStreamIndex; //视频流索引
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int audioStreamIndex; //音频流索引
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QString url; //视频流地址
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uint8_t *buffer; //存储解码后图片buffer
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AVPacket *avPacket; //包对象
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AVFrame *yuvFrame; //原始视频帧
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AVFrame *rgbFrame; //转图片视频帧
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AVFormatContext *formatCtx; //格式上下文
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AVCodecContext *videoCodecCtx; //视频解码器上下文
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AVCodecContext *audioCodecCtx; //音频解码器上下文
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SwsContext *swsContext; //处理图片数据对象
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AVDictionary *options; //参数对象
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AVCodec *videoCodec; //视频解码器
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AVCodec *audioCodec; //音频解码器
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signals:
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//收到图片信号
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void receiveImage(const QImage &image);
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public slots:
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//设置视频流地址
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void setUrl(const QString &url);
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//初始化视频对象
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bool init();
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//释放对象
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void free();
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//播放视频对象
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void play();
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//暂停播放
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void pause();
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//继续播放
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void next();
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//停止采集线程
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void stop();
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};
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//实时视频显示窗体类
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class FFmpegWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit FFmpegWidget(QWidget *parent = 0);
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~FFmpegWidget();
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protected:
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void paintEvent(QPaintEvent *);
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private:
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FFmpegThread *thread;
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QImage image;
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private slots:
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//接收图像并绘制
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void updateImage(const QImage &image);
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public slots:
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//设置视频流地址
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void setUrl(const QString &url);
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//打开设备
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void open();
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//暂停
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void pause();
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//继续
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void next();
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//关闭设备
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void close();
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//清空
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void clear();
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};
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#endif // FFMPEG_H
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