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| 1 // Copyright 2014 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 |
| 5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "content/common/content_export.h" |
| 11 |
| 12 namespace blink { |
| 13 class WebMediaConstraints; |
| 14 class WebString; |
| 15 } |
| 16 |
| 17 namespace content { |
| 18 |
| 19 // Method to get boolean value of constraint with |key| from constraints. |
| 20 // Returns true if the constraint is specified in either mandatory or optional |
| 21 // constraints. |
| 22 bool CONTENT_EXPORT GetConstraintValueAsBoolean( |
| 23 const blink::WebMediaConstraints& constraints, |
| 24 const std::string& key, |
| 25 bool* value); |
| 26 |
| 27 // Method to get int value of constraint with |key| from constraints. |
| 28 // Returns true if the constraint is specified in either mandatory or Optional |
| 29 // constraints. |
| 30 bool CONTENT_EXPORT GetConstraintValueAsInteger( |
| 31 const blink::WebMediaConstraints& constraints, |
| 32 const std::string& key, |
| 33 int* value); |
| 34 |
| 35 // Method to get std::string value of constraint with |key| from constraints. |
| 36 // Returns true if the constraint is specified in either mandatory or Optional |
| 37 // constraints. |
| 38 bool CONTENT_EXPORT GetConstraintValueAsString( |
| 39 const blink::WebMediaConstraints& constraints, |
| 40 const std::string& key, |
| 41 std::string* value); |
| 42 |
| 43 // Method to get boolean value of constraint with |key| from the |
| 44 // mandatory constraints. |
| 45 bool CONTENT_EXPORT GetMandatoryConstraintValueAsBoolean( |
| 46 const blink::WebMediaConstraints& constraints, |
| 47 const std::string& name, |
| 48 bool* value); |
| 49 |
| 50 // Method to get int value of constraint with |key| from the |
| 51 // mandatory constraints. |
| 52 bool CONTENT_EXPORT GetMandatoryConstraintValueAsInteger( |
| 53 const blink::WebMediaConstraints& constraints, |
| 54 const std::string& name, |
| 55 int* value); |
| 56 |
| 57 // Method to get bool value of constraint with |key| from the |
| 58 // optional constraints. |
| 59 bool CONTENT_EXPORT GetOptionalConstraintValueAsBoolean( |
| 60 const blink::WebMediaConstraints& constraints, |
| 61 const std::string& name, |
| 62 bool* value); |
| 63 |
| 64 // Method to get int value of constraint with |key| from the |
| 65 // optional constraints. |
| 66 bool CONTENT_EXPORT GetOptionalConstraintValueAsInteger( |
| 67 const blink::WebMediaConstraints& constraints, |
| 68 const std::string& name, |
| 69 int* value); |
| 70 |
| 71 } // namespace content |
| 72 |
| 73 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_ |
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