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

content/common/media/media_stream_messages.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.
 
 // IPC messages for the media streaming.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 
 #include "content/common/content_export.h"
@@ skipping 36 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(device.matched_output_device_id)
   IPC_STRUCT_TRAITS_MEMBER(device.input.sample_rate)
   IPC_STRUCT_TRAITS_MEMBER(device.input.channel_layout)
   IPC_STRUCT_TRAITS_MEMBER(device.input.frames_per_buffer)
   IPC_STRUCT_TRAITS_MEMBER(device.input.effects)
   IPC_STRUCT_TRAITS_MEMBER(device.input.mic_positions)
   IPC_STRUCT_TRAITS_MEMBER(device.matched_output.sample_rate)
   IPC_STRUCT_TRAITS_MEMBER(device.matched_output.channel_layout)
   IPC_STRUCT_TRAITS_MEMBER(device.matched_output.frames_per_buffer)
   IPC_STRUCT_TRAITS_MEMBER(session_id)
+  IPC_STRUCT_TRAITS_MEMBER(device.camera_calibration.focal_length_x)
+  IPC_STRUCT_TRAITS_MEMBER(device.camera_calibration.focal_length_y)
+  IPC_STRUCT_TRAITS_MEMBER(device.camera_calibration.depth_near)
+  IPC_STRUCT_TRAITS_MEMBER(device.camera_calibration.depth_far)
+  IPC_STRUCT_TRAITS_MEMBER(device.camera_calibration.valid)

[mcasas, 2017/01/05 01:09:32]

o_0  all this communication between browser
and renderer hasn't been migrated to mojo yet?

[aleksandar.stojiljkovic, 2017/01/09 18:47:01]

Apparently not. I couldn't find a task similar to Issue 584797 (Mojify Video
Capture) for this in crbug.com - don't know if someone is already working on it.

 IPC_STRUCT_TRAITS_END()
 
 // Message sent from the browser to the renderer
 
 // The browser has generated a stream successfully.
 IPC_MESSAGE_ROUTED4(MediaStreamMsg_StreamGenerated,
                     int /* request id */,
                     std::string /* label */,
                     content::StreamDeviceInfoArray /* audio_device_list */,
                     content::StreamDeviceInfoArray /* video_device_list */)
@@ skipping 58 matching lines @@
 // connected video sinks meet the requirement of output protection.).
 // Note: the browser process only trusts the |is_sucure| value in this IPC
 // message if it's comimg from a trusted, whitelisted extension. Extensions run
 // in separate render processes. So it shouldn't be possible, for example, for
 // a user's visit to a malicious web page to compromise a render process running
 // a trusted extension to make it report falsehood in this IPC message.
 IPC_MESSAGE_CONTROL3(MediaStreamHostMsg_SetCapturingLinkSecured,
                      int,                      /* session_id */
                      content::MediaStreamType, /* type */
                      bool /* is_secure */)