Media Capture Depth Stream Extensions API: focal length and depth range.

content/public/common/media_stream_request.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_COMMON_MEDIA_STREAM_REQUEST_H_
 #define CONTENT_PUBLIC_COMMON_MEDIA_STREAM_REQUEST_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "content/common/content_export.h"
 #include "media/base/audio_parameters.h"
+#include "media/capture/video/video_capture_device_descriptor.h"
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
 
 namespace content {
 
 // Types of media streams.
 enum MediaStreamType {
   MEDIA_NO_SERVICE = 0,
 
   // A device provided by the operating system (e.g., webcam input).
@@ skipping 42 matching lines @@
   MEDIA_DEVICE_SCREEN_CAPTURE_FAILURE = 7,
   MEDIA_DEVICE_CAPTURE_FAILURE = 8,
   MEDIA_DEVICE_CONSTRAINT_NOT_SATISFIED = 9,
   MEDIA_DEVICE_TRACK_START_FAILURE = 10,
   MEDIA_DEVICE_NOT_SUPPORTED = 11,
   MEDIA_DEVICE_FAILED_DUE_TO_SHUTDOWN = 12,
   MEDIA_DEVICE_KILL_SWITCH_ON = 13,
   NUM_MEDIA_REQUEST_RESULTS
 };
 
+using CameraCalibration =
+    media::VideoCaptureDeviceDescriptor::CameraCalibration;
+
 // Convenience predicates to determine whether the given type represents some
 // audio or some video device.
 CONTENT_EXPORT bool IsAudioInputMediaType(MediaStreamType type);
 CONTENT_EXPORT bool IsVideoMediaType(MediaStreamType type);
 CONTENT_EXPORT bool IsScreenCaptureMediaType(MediaStreamType type);
 
 // TODO(xians): Change the structs to classes.
 // Represents one device in a request for media stream(s).
 struct CONTENT_EXPORT MediaStreamDevice {
   MediaStreamDevice();
@@ skipping 67 matching lines @@
   // audio (i.e. IsAudioInputMediaType returns true).
 
   // Contains the device properties of the capture device.
   AudioDeviceParameters input;
 
   // If the capture device has an associated output device (e.g. headphones),
   // this will contain the properties for the output device.  If no such device
   // exists (e.g. webcam w/mic), then the value of this member will be all
   // zeros.
   AudioDeviceParameters matched_output;
+
+  // This field is optional and available only for some camera models.
+  base::Optional<CameraCalibration> camera_calibration;
 };
 
 class CONTENT_EXPORT MediaStreamDevices
     : public std::vector<MediaStreamDevice> {
  public:
   MediaStreamDevices();
   MediaStreamDevices(size_t count, const MediaStreamDevice& value);
 
   // Looks for a MediaStreamDevice based on its ID.
   // Returns NULL if not found.
@@ skipping 85 matching lines @@
 
 // Callback used return results of media access requests.
 typedef base::Callback<void(const MediaStreamDevices& devices,
                             content::MediaStreamRequestResult result,
                             std::unique_ptr<MediaStreamUI> ui)>
     MediaResponseCallback;
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_MEDIA_STREAM_REQUEST_H_