整理代码

video/ite/HDMIFrontend.cpp

@@ -0,0 +1,73 @@
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "HDMIFrontend.h"
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <iostream>
+
+namespace Video
+{
+namespace ITE
+{
+/*
+ *******************************************************************************
+ *                                CLASS DEFINE
+ *******************************************************************************
+ */
+HDMIFrontend::HDMIFrontend(std::string device): Core::Frontend("HDMIFrontend"), _it66021(device), _path(device)
+{
+    _hdmiInfo.have_audio = false;
+    _hdmiInfo.have_video = false;
+
+    _it66021.readInfo(_hdmiInfo);
+
+    _pollCancelled = false;
+    _pollThread.startFunc(
+        [&]() -> void
+        {
+            while (!_pollCancelled)
+            {
+                unsigned int revents = 0;
+                if (_it66021.poll(revents, 1000))
+                {
+                    if (revents & POLLIN)
+                    {
+                        _it66021.readInfo(_hdmiInfo);
+                        notifyStatusChanged();
+                    }
+                }
+            }
+        });
+}
+
+HDMIFrontend::~HDMIFrontend()
+{
+    if (_pollThread.isRunning())
+    {
+        _pollCancelled = true;
+        _pollThread.join();
+    }
+}
+
+void HDMIFrontend::read(MediaInfo& info)
+{
+    info.haveVideo = _hdmiInfo.have_video;
+    info.haveAudio = _hdmiInfo.have_audio;
+
+    info.video.width     = _hdmiInfo.hactive;
+    info.video.height    = _hdmiInfo.vactive;
+    info.video.frameRate = _hdmiInfo.frame_rate;
+
+    if (_hdmiInfo.scanmode == 0)
+        info.video.scanMode = Core::VideoScanMode::PROGRESSIVE;
+    else
+        info.video.scanMode = Core::VideoScanMode::INTERLACED;
+
+    info.audio.sampleRate = _hdmiInfo.sample_rate;
+}
+}
+}

video/ite/HDMIFrontend.h

@@ -0,0 +1,40 @@
+#ifndef FEFC9D0D_1536_4204_B19D_636AC379D2CA
+#define FEFC9D0D_1536_4204_B19D_636AC379D2CA
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "../core/Frontend.h"
+#include "IT66021.h"
+#include <Poco/Thread.h>
+#include <atomic>
+
+namespace Video
+{
+namespace ITE
+{
+/*
+ *******************************************************************************
+ *                                CLASS DECLARE
+ *******************************************************************************
+ */
+class HDMIFrontend: public Core::Frontend
+{
+public:
+    HDMIFrontend(std::string device);
+    ~HDMIFrontend();
+
+public:
+    virtual void read(MediaInfo& info) override;
+
+private:
+    IT66021           _it66021;
+    std::string       _path;
+    Poco::Thread      _pollThread;
+    std::atomic<bool> _pollCancelled;
+    IT66021::Info     _hdmiInfo;
+};
+}
+}
+#endif

video/ite/IT66021.cpp

@@ -0,0 +1,29 @@
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "IT66021.h"
+
+
+namespace Video
+{
+namespace ITE
+{
+/*
+ *******************************************************************************
+ *                                CLASS DEFINE
+ *******************************************************************************
+ */
+IT66021::IT66021(std::string device): Util::Device(device, Util::Device::Mode::RDWR)
+{
+    open();
+}
+
+void IT66021::readInfo(Info& info)
+{
+    read((uint8_t*)&info, sizeof(info));
+}
+
+}
+}

video/ite/IT66021.h

@@ -0,0 +1,51 @@
+#ifndef C9FA4497_8D5C_418E_9024_63D07C7F6E95
+#define C9FA4497_8D5C_418E_9024_63D07C7F6E95
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "util/Device.h"
+
+namespace Video
+{
+namespace ITE
+{
+/*
+ *******************************************************************************
+ *                                CLASS DECLARE
+ *******************************************************************************
+ */
+class IT66021: public Util::Device
+{
+public:
+    struct Info
+    {
+        bool     have_video;
+        uint32_t hactive;
+        uint32_t vactive;
+        uint32_t htotal;
+        uint32_t vtotal;
+        uint64_t pclk;
+        uint32_t hfront_porch;
+        uint32_t hsync_width;
+        uint32_t hback_porch;
+        uint32_t vfront_porch;
+        uint32_t vsync_width;
+        uint32_t vback_porch;
+        uint32_t scanmode;
+        uint32_t vpolarity;
+        uint32_t hpolarity;
+        uint32_t frame_rate;
+
+        bool     have_audio;
+        uint32_t sample_rate;
+    };
+
+public:
+    IT66021(std::string device = "/dev/it66021");
+    void readInfo(Info& info);
+};
+}
+}
+#endif