content/renderer/media/rtc_media_constraints.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 #include "content/renderer/media/rtc_media_constraints.h"
   5
   6 #include "base/logging.h"
   7
   8 #include "content/common/media/media_stream_options.h"
   9 #include "third_party/WebKit/Source/Platform/chromium/public/WebMediaConstraints.h"
  10 #include "third_party/WebKit/Source/Platform/chromium/public/WebCString.h"
  11 #include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
  12
  13 namespace content {
  14 namespace {
  15
  16 void GetNativeMediaConstraints(
  17     const WebKit::WebVector<WebKit::WebMediaConstraint>& constraints,
  18     webrtc::MediaConstraintsInterface::Constraints* native_constraints) {
  19   DCHECK(native_constraints);
  20   for (size_t i = 0; i < constraints.size(); ++i) {
  21     webrtc::MediaConstraintsInterface::Constraint new_constraint;
  22     new_constraint.key = constraints[i].m_name.utf8();
  23     new_constraint.value = constraints[i].m_value.utf8();
  24
  25     // Ignore Chrome specific Tab capture constraints.
  26     if (new_constraint.key == kMediaStreamSource ||
  27         new_constraint.key == kMediaStreamSourceId)
  28       continue;
  29     DVLOG(3) << "MediaStreamConstraints:" << new_constraint.key
  30              << " : " <<  new_constraint.value;
  31     native_constraints->push_back(new_constraint);
  32   }
  33 }
  34
  35 }  // namespace
  36
  37 RTCMediaConstraints::RTCMediaConstraints(
  38       const WebKit::WebMediaConstraints& constraints) {
  39   if (constraints.isNull())
  40     return;  // Will happen in unit tests.
  41   WebKit::WebVector<WebKit::WebMediaConstraint> mandatory;
  42   constraints.getMandatoryConstraints(mandatory);
  43   GetNativeMediaConstraints(mandatory, &mandatory_);
  44   WebKit::WebVector<WebKit::WebMediaConstraint> optional;
  45   constraints.getOptionalConstraints(optional);
  46   GetNativeMediaConstraints(optional, &optional_);
  47 }
  48
  49 RTCMediaConstraints::~RTCMediaConstraints() {}
  50
  51 const webrtc::MediaConstraintsInterface::Constraints&
  52 RTCMediaConstraints::GetMandatory() const  {
  53   return mandatory_;
  54 }
  55
  56 const webrtc::MediaConstraintsInterface::Constraints&
  57 RTCMediaConstraints::GetOptional() const {
  58   return optional_;
  59 }
  60
  61 }  // namespace content