Index: media/capture/video/video_capture_system.h |
diff --git a/media/capture/video/video_capture_system.h b/media/capture/video/video_capture_system.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..63e836f55b029ba65b9b4cef1dcb86b35707d6ac |
--- /dev/null |
+++ b/media/capture/video/video_capture_system.h |
@@ -0,0 +1,48 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_H_ |
+#define MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_H_ |
+ |
+#include "media/capture/video/video_capture_device_factory.h" |
+#include "media/capture/video/video_capture_device_info.h" |
+ |
+namespace media { |
+ |
+// Layer on top of VideoCaptureDeviceFactory that translates device descriptors |
+// to string identifiers and consolidates and caches device descriptors and |
+// supported formats into VideoCaptureDeviceInfos. |
+class CAPTURE_EXPORT VideoCaptureSystem { |
+ public: |
+ VideoCaptureSystem(std::unique_ptr<VideoCaptureDeviceFactory> factory); |
miu
2017/03/22 22:51:24
explicit
chfremer
2017/03/23 00:34:13
Done.
|
+ ~VideoCaptureSystem(); |
+ |
+ void GetDeviceInfosAsync( |
+ const base::Callback<void(const std::vector<VideoCaptureDeviceInfo>&)>& |
miu
2017/03/22 22:51:23
nit: Since the callback is used in more than one p
chfremer
2017/03/23 00:34:13
Done.
|
+ result_callback); |
+ |
+ // Creates a VideoCaptureDevice object. Returns NULL if something goes wrong. |
+ std::unique_ptr<VideoCaptureDevice> CreateDevice(const std::string device_id); |
+ |
+ media::VideoCaptureDeviceFactory* video_capture_device_factory() { |
miu
2017/03/22 22:51:24
nit:
media::VideoCaptureDeviceFactory* video_ca
miu
2017/03/22 22:51:24
Is the plan to remove this accessor in later CLs,
chfremer
2017/03/23 00:34:13
Done.
chfremer
2017/03/23 00:34:13
Yes. This accessor is going to go away in CL19.
|
+ return factory_.get(); |
+ } |
+ |
+ private: |
+ void OnDescriptorsReceived( |
+ const base::Callback<void(const std::vector<VideoCaptureDeviceInfo>&)>& |
miu
2017/03/22 22:51:24
DeviceInfoCallback here. (and in the methods in th
chfremer
2017/03/23 00:34:14
Done.
|
+ result_callback, |
+ std::unique_ptr<VideoCaptureDeviceDescriptors> descriptors); |
+ |
+ // Returns false if no descriptor found. |
+ bool LookupDescriptorFromId(const std::string& device_id, |
+ media::VideoCaptureDeviceDescriptor* descriptor); |
+ |
+ const std::unique_ptr<VideoCaptureDeviceFactory> factory_; |
+ std::vector<VideoCaptureDeviceInfo> devices_info_cache_; |
+}; |
+ |
+} // namespace media |
+ |
+#endif // MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_FACTORY_H_ |