git-svn-id: http://webrtc.googlecode.com/svn/trunk@9 4adac7df-926f-26a2-2b94-8c16560cd09d

video_engine/main/test/WindowsTest/CaptureDevicePool.cpp

@@ -0,0 +1,98 @@
+/*
+ *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "CaptureDevicePool.h"
+#include "map_wrapper.h"
+#include <string.h>
+#include <assert.h>
+#include "critical_section_wrapper.h"
+#include "vie_file.h"
+
+CaptureDevicePool::CaptureDevicePool(VideoEngine* videoEngine):
+_critSect(*CriticalSectionWrapper::CreateCriticalSection()),
+_vieCapture(ViECapture::GetInterface(videoEngine)),
+_vieFile(ViEFile::GetInterface(videoEngine))
+{
+}
+
+CaptureDevicePool::~CaptureDevicePool(void)
+{
+    assert(_deviceMap.Size()==0);
+    _vieCapture->Release();
+    _vieFile->Release();
+    delete &_critSect;
+}
+
+WebRtc_Word32 CaptureDevicePool::GetCaptureDevice(int& captureId, const char* uniqeDeviceName)
+{
+    CriticalSectionScoped cs(_critSect);
+    DeviceItem* device=NULL;
+    
+    for(MapItem* item=_deviceMap.First();
+        item!=NULL;
+        item=_deviceMap.Next(item))
+    {
+        //Found the device?
+        if(strcmp(uniqeDeviceName,(static_cast<DeviceItem*>( item->GetItem()))->uniqeDeviceName)==0)
+        {
+            device=static_cast<DeviceItem*>( item->GetItem());
+            device->refCount++;
+            captureId=device->captureId;
+            return 0;
+        }
+    }
+    device = new DeviceItem;
+    strncpy(device->uniqeDeviceName,uniqeDeviceName,255);
+
+
+    // Device does not exist. Create it.
+    WebRtc_Word32 result=_vieCapture->AllocateCaptureDevice(device->uniqeDeviceName,strlen(device->uniqeDeviceName),device->captureId);
+    if(result==0)
+    {
+        //CaptureCapability cap;
+        /*cap.height=1080;
+        cap.width=1920;
+        cap.maxFPS=25;    
+        cap.interlaced=true;*/
+     //   result=_vieCapture->StartCapture(device->captureId,cap);
+        result=_vieFile->SetCaptureDeviceImage(device->captureId,"captureDeviceImage.jpg");
+    }
+    captureId=device->captureId;
+    _deviceMap.Insert(captureId,device);
+    device->refCount++;
+    
+    return result;
+
+
+}
+WebRtc_Word32 CaptureDevicePool::ReturnCaptureDevice(int captureId)
+{
+    CriticalSectionScoped cs(_critSect);
+
+    MapItem* mapItem=_deviceMap.Find(captureId);
+    if(!mapItem)
+        return -1;
+
+    DeviceItem* item=static_cast<DeviceItem*> (mapItem->GetItem());
+    if(!item)
+        return 0;
+    item->refCount--;
+    WebRtc_Word32 result=0;
+
+    if(item->refCount==0)
+    {
+        result=_vieCapture->ReleaseCaptureDevice(captureId);
+        
+        _deviceMap.Erase(mapItem);
+        delete item;
+
+    }
+    return result;
+}