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// 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.
#include "content/renderer/media/rtc_media_constraints.h"
#include <string>
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "content/common/media/media_stream_options.h"
#include "third_party/WebKit/public/platform/WebMediaConstraints.h"
#include "third_party/WebKit/public/platform/WebCString.h"
#include "third_party/WebKit/public/platform/WebString.h"
namespace content {
namespace {
void GetNativeMediaConstraints(
const blink::WebVector<blink::WebMediaConstraint>& constraints,
webrtc::MediaConstraintsInterface::Constraints* native_constraints) {
DCHECK(native_constraints);
for (size_t i = 0; i < constraints.size(); ++i) {
webrtc::MediaConstraintsInterface::Constraint new_constraint;
new_constraint.key = constraints[i].m_name.utf8();
new_constraint.value = constraints[i].m_value.utf8();
// Ignore Chrome specific Tab capture constraints.
if (new_constraint.key == kMediaStreamSource ||
new_constraint.key == kMediaStreamSourceId)
continue;
// Ignore sourceId constraint since that has nothing to do with webrtc.
if (new_constraint.key == kMediaStreamSourceInfoId)
continue;
DVLOG(3) << "MediaStreamConstraints:" << new_constraint.key
<< " : " << new_constraint.value;
native_constraints->push_back(new_constraint);
}
}
} // namespace
RTCMediaConstraints::RTCMediaConstraints() {}
RTCMediaConstraints::RTCMediaConstraints(
const blink::WebMediaConstraints& constraints) {
if (constraints.isNull())
return; // Will happen in unit tests.
blink::WebVector<blink::WebMediaConstraint> mandatory;
constraints.getMandatoryConstraints(mandatory);
GetNativeMediaConstraints(mandatory, &mandatory_);
blink::WebVector<blink::WebMediaConstraint> optional;
constraints.getOptionalConstraints(optional);
GetNativeMediaConstraints(optional, &optional_);
}
RTCMediaConstraints::~RTCMediaConstraints() {}
const webrtc::MediaConstraintsInterface::Constraints&
RTCMediaConstraints::GetMandatory() const {
return mandatory_;
}
const webrtc::MediaConstraintsInterface::Constraints&
RTCMediaConstraints::GetOptional() const {
return optional_;
}
bool RTCMediaConstraints::AddOptional(const std::string& key,
const std::string& value,
bool override_if_exists) {
return AddConstraint(&optional_, key, value, override_if_exists);
}
bool RTCMediaConstraints::AddMandatory(const std::string& key,
const std::string& value,
bool override_if_exists) {
return AddConstraint(&mandatory_, key, value, override_if_exists);
}
bool RTCMediaConstraints::AddConstraint(Constraints* constraints,
const std::string& key,
const std::string& value,
bool override_if_exists) {
for (Constraints::iterator iter = constraints->begin();
iter != constraints->end();
++iter) {
if (iter->key == key) {
if (override_if_exists)
iter->value = value;
return override_if_exists;
}
}
// The key wasn't found, add it.
constraints->push_back(Constraint(key, value));
return true;
}
} // namespace content
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