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;
+}
+}
+}