| // 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_ |