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

media/base/ipc/media_param_traits.cc

 // Copyright 2016 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.
 
 #include "media/base/ipc/media_param_traits.h"
 
 #include "base/strings/stringprintf.h"
 #include "ipc/ipc_message_utils.h"
 #include "media/base/audio_parameters.h"
 #include "media/base/audio_point.h"
 #include "media/base/encryption_scheme.h"
 #include "media/base/limits.h"
 #include "ui/gfx/ipc/geometry/gfx_param_traits.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/ipc/skia/gfx_skia_param_traits.h"
 
 using media::AudioParameters;
 using media::AudioLatency;
 using media::ChannelLayout;
+using CameraCalibration =
+    media::VideoCaptureDeviceDescriptor::CameraCalibration;
 
 namespace IPC {
 
 void ParamTraits<AudioParameters>::GetSize(base::PickleSizer* s,
                                            const AudioParameters& p) {
   GetParamSize(s, p.format());
   GetParamSize(s, p.channel_layout());
   GetParamSize(s, p.sample_rate());
   GetParamSize(s, p.bits_per_sample());
   GetParamSize(s, p.frames_per_buffer());
@@ skipping 112 matching lines @@
     return false;
   *r = media::EncryptionScheme::Pattern(encrypt_blocks, skip_blocks);
   return true;
 }
 
 void ParamTraits<media::EncryptionScheme::Pattern>::Log(const param_type& p,
                                                         std::string* l) {
   l->append(base::StringPrintf("<Pattern>"));
 }
 
+void ParamTraits<CameraCalibration>::GetSize(base::PickleSizer* s,
+                                             const CameraCalibration& p) {
+  GetParamSize(s, p.focal_length_x);
+  GetParamSize(s, p.focal_length_y);
+  GetParamSize(s, p.depth_near);
+  GetParamSize(s, p.depth_far);

[kinuko, 2017/01/10 14:43:24]

Wouldn't just add IPC_STRUCT_TRAITS for CameraCalibration work?

[aleksandar.stojiljkovic, 2017/01/11 08:58:46]

Done.

+}
+
+void ParamTraits<CameraCalibration>::Write(base::Pickle* m,
+                                           const CameraCalibration& p) {
+  WriteParam(m, p.focal_length_x);
+  WriteParam(m, p.focal_length_y);
+  WriteParam(m, p.depth_near);
+  WriteParam(m, p.depth_far);
+}
+
+bool ParamTraits<CameraCalibration>::Read(const base::Pickle* m,
+                                          base::PickleIterator* iter,
+                                          CameraCalibration* r) {
+  if (!ReadParam(m, iter, &r->focal_length_x) ||
+      !ReadParam(m, iter, &r->focal_length_y) ||
+      !ReadParam(m, iter, &r->depth_near) ||
+      !ReadParam(m, iter, &r->depth_far)) {
+    return false;
+  }
+  return true;
+}
+
+void ParamTraits<CameraCalibration>::Log(const CameraCalibration& p,
+                                         std::string* l) {
+  l->append(base::StringPrintf("<CameraCalibration>"));
+}
+
 }  // namespace IPC
 
 // Generate param traits size methods.
 #include "ipc/param_traits_size_macros.h"
 namespace IPC {
 #undef MEDIA_BASE_IPC_MEDIA_PARAM_TRAITS_MACROS_H_
 #include "media/base/ipc/media_param_traits_macros.h"
 }
 
 // Generate param traits write methods.
 #include "ipc/param_traits_write_macros.h"
 namespace IPC {
 #undef MEDIA_BASE_IPC_MEDIA_PARAM_TRAITS_MACROS_H_
 #include "media/base/ipc/media_param_traits_macros.h"
 }  // namespace IPC
 
 // Generate param traits read methods.
 #include "ipc/param_traits_read_macros.h"
 namespace IPC {
 #undef MEDIA_BASE_IPC_MEDIA_PARAM_TRAITS_MACROS_H_
 #include "media/base/ipc/media_param_traits_macros.h"
 }  // namespace IPC
 
 // Generate param traits log methods.
 #include "ipc/param_traits_log_macros.h"
 namespace IPC {
 #undef MEDIA_BASE_IPC_MEDIA_PARAM_TRAITS_MACROS_H_
 #include "media/base/ipc/media_param_traits_macros.h"
 }  // namespace IPC