Media Capture Depth Stream Extensions API: videoKind settings and constraint.

content/renderer/media/media_stream_constraints_util_video_source.h

 // Copyright 2017 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_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_VIDEO_SOURCE_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_VIDEO_SOURCE_H_
 
 #include <iosfwd>
 #include <string>
 #include <vector>
 
 #include "content/common/content_export.h"
 #include "content/common/media/media_devices.mojom.h"
 #include "media/capture/video_capture_types.h"
 
 namespace blink {
 class WebString;
 class WebMediaConstraints;
 }
 
 namespace content {
 
+// Calculates and returns videoKind value for |format|.
+// See https://w3c.github.io/mediacapture-depth.
+blink::WebString CONTENT_EXPORT
+GetVideoKindForFormat(const media::VideoCaptureFormat& format);
+
 struct CONTENT_EXPORT VideoCaptureCapabilities {
   VideoCaptureCapabilities();
   VideoCaptureCapabilities(VideoCaptureCapabilities&& other);
   ~VideoCaptureCapabilities();
   VideoCaptureCapabilities& operator=(VideoCaptureCapabilities&& other);
 
   // Each field is independent of each other.
   std::vector<::mojom::VideoInputDeviceCapabilitiesPtr> device_capabilities;
   std::vector<media::PowerLineFrequency> power_line_capabilities;
 };
@@ skipping 12 matching lines @@
       const VideoCaptureSourceSettings& other);
   VideoCaptureSourceSettings& operator=(VideoCaptureSourceSettings&& other);
 
   // Accessors for easier interaction with blink constraint classes.
   blink::WebString GetFacingMode() const;
   long GetPowerLineFrequency() const;
   long GetWidth() const;
   long GetHeight() const;
   double GetFrameRate() const;
   blink::WebString GetDeviceId() const;
+  blink::WebString GetVideoKind() const;
 
   const media::VideoCaptureFormat& format() const { return format_; }
   const std::string& device_id() const { return device_id_; }
   ::mojom::FacingMode facing_mode() const { return facing_mode_; }
   media::PowerLineFrequency power_line_frequency() const {
     return power_line_frequency_;
   }
 
  private:
   std::string device_id_;
@@ skipping 81 matching lines @@
 //    settings that include the device ID, power-line frequency, resolution, and
 //    frame rate, in that order. Note that there is no default facing mode or
 //    aspect ratio.
 VideoCaptureSourceSelectionResult CONTENT_EXPORT
 SelectVideoCaptureSourceSettings(const VideoCaptureCapabilities& capabilities,
                                  const blink::WebMediaConstraints& constraints);
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_VIDEO_SOURCE_H_