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// Copyright 2014 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_H_
#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_
#include <string>
#include "content/common/content_export.h"
namespace blink {
class WebMediaConstraints;
class WebString;
}
namespace content {
// Method to get boolean value of constraint with |name| from constraints.
// Returns true if the constraint is specified in either mandatory or optional
// constraints.
bool CONTENT_EXPORT GetConstraintValueAsBoolean(
const blink::WebMediaConstraints& constraints,
const std::string& name,
bool* value);
// Method to get int value of constraint with |name| from constraints.
// Returns true if the constraint is specified in either mandatory or Optional
// constraints.
bool CONTENT_EXPORT GetConstraintValueAsInteger(
const blink::WebMediaConstraints& constraints,
const std::string& name,
int* value);
// Method to get double precision value of constraint with |name| from
// constraints. Returns true if the constraint is specified in either mandatory
// or Optional constraints.
bool CONTENT_EXPORT GetConstraintValueAsDouble(
const blink::WebMediaConstraints& constraints,
const std::string& name,
double* value);
// Method to get std::string value of constraint with |name| from constraints.
// Returns true if the constraint is specified in either mandatory or Optional
// constraints.
bool CONTENT_EXPORT GetConstraintValueAsString(
const blink::WebMediaConstraints& constraints,
const std::string& name,
std::string* value);
// Method to get boolean value of constraint with |name| from the
// mandatory constraints.
bool CONTENT_EXPORT GetMandatoryConstraintValueAsBoolean(
const blink::WebMediaConstraints& constraints,
const std::string& name,
bool* value);
// Method to get int value of constraint with |name| from the
// mandatory constraints.
bool CONTENT_EXPORT GetMandatoryConstraintValueAsInteger(
const blink::WebMediaConstraints& constraints,
const std::string& name,
int* value);
// Method to get double value of constraint with |name| from the
// mandatory constraints.
bool CONTENT_EXPORT GetMandatoryConstraintValueAsDouble(
const blink::WebMediaConstraints& constraints,
const std::string& name,
double* value);
// Method to get bool value of constraint with |name| from the
// optional constraints.
bool CONTENT_EXPORT GetOptionalConstraintValueAsBoolean(
const blink::WebMediaConstraints& constraints,
const std::string& name,
bool* value);
// Method to get int value of constraint with |name| from the
// optional constraints.
bool CONTENT_EXPORT GetOptionalConstraintValueAsInteger(
const blink::WebMediaConstraints& constraints,
const std::string& name,
int* value);
// Method to get double value of constraint with |name| from the
// optional constraints.
bool CONTENT_EXPORT GetOptionalConstraintValueAsDouble(
const blink::WebMediaConstraints& constraints,
const std::string& name,
double* value);
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_
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