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GB28181Device/media/screen_capture.cpp

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+/***************************************************************************************
+ *
+ *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+ *
+ *  By downloading, copying, installing or using the software you agree to this license.
+ *  If you do not agree to this license, do not download, install, 
+ *  copy or use the software.
+ *
+ *  Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
+ *
+ *  Redistribution and use in binary forms, with or without modification, are permitted.
+ *
+ *  Unless required by applicable law or agreed to in writing, software distributed 
+ *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
+ *  language governing permissions and limitations under the License.
+ *
+****************************************************************************************/
+
+#include "sys_inc.h"
+#include "screen_capture.h"
+#include "media_format.h"
+#include "lock.h"
+
+CScreenCapture * CScreenCapture::m_pInstance[] = {NULL, NULL, NULL, NULL};
+void * CScreenCapture::m_pInstMutex = sys_os_create_mutex();
+
+
+CScreenCapture::CScreenCapture()
+{
+	m_nDevIndex = 0;	
+	m_nWidth = 0;
+	m_nHeight = 0;
+	m_nPixfmt = 0;
+	m_nFramerate = 15;
+	m_nBitrate = 0;
+
+	m_pMutex = sys_os_create_mutex();
+	
+	m_bInited = FALSE;
+	m_bCapture = FALSE;
+	m_hCapture = 0;
+	
+	m_nRefCnt = 0;
+}
+
+CScreenCapture::~CScreenCapture()
+{
+	sys_os_destroy_sig_mutex(m_pMutex);
+}
+
+CScreenCapture * CScreenCapture::getInstance(int devid)
+{
+	return NULL;
+}
+
+void CScreenCapture::freeInstance(int devid)
+{
+	if (devid < 0 || devid >= MAX_MONITOR_NUMS)
+	{
+		return;
+	}
+
+	if (m_pInstance[devid])
+	{
+    	sys_os_mutex_enter(m_pInstMutex);
+    	
+    	if (m_pInstance[devid])
+    	{
+    		m_pInstance[devid]->m_nRefCnt--;
+
+    		if (m_pInstance[devid]->m_nRefCnt <= 0)
+    		{
+    			delete m_pInstance[devid];
+    			m_pInstance[devid] = NULL;
+    		}
+    	}
+
+    	sys_os_mutex_leave(m_pInstMutex);
+	}
+}
+
+int CScreenCapture::getDeviceNums()
+{
+	return 0;
+}
+
+BOOL CScreenCapture::initCapture(int codec, int width, int height, double framerate, int bitrate)
+{
+	return FALSE;
+}
+
+char * CScreenCapture::getAuxSDPLine(int rtp_pt)
+{
+	return m_encoder.getAuxSDPLine(rtp_pt);
+}
+
+BOOL CScreenCapture::startCapture()
+{
+	return FALSE;
+}
+
+void CScreenCapture::stopCapture()
+{
+	
+}
+
+BOOL CScreenCapture::capture()
+{
+	return FALSE;
+}
+
+void CScreenCapture::addCallback(VideoDataCallback pCallback, void * pUserdata)
+{
+	m_encoder.addCallback(pCallback, pUserdata);
+}
+
+void CScreenCapture::delCallback(VideoDataCallback pCallback, void * pUserdata)
+{
+	m_encoder.delCallback(pCallback, pUserdata);
+}
+
+
+