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.
5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_
6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_
10 #include "content/common/content_export.h"
13 class WebMediaConstraints
;
19 // Method to get boolean value of constraint with |name| from constraints.
20 // Returns true if the constraint is specified in either mandatory or optional
22 bool CONTENT_EXPORT
GetConstraintValueAsBoolean(
23 const blink::WebMediaConstraints
& constraints
,
24 const std::string
& name
,
27 // Method to get int value of constraint with |name| from constraints.
28 // Returns true if the constraint is specified in either mandatory or Optional
30 bool CONTENT_EXPORT
GetConstraintValueAsInteger(
31 const blink::WebMediaConstraints
& constraints
,
32 const std::string
& name
,
35 // Method to get std::string value of constraint with |name| from constraints.
36 // Returns true if the constraint is specified in either mandatory or Optional
38 bool CONTENT_EXPORT
GetConstraintValueAsString(
39 const blink::WebMediaConstraints
& constraints
,
40 const std::string
& name
,
43 // Method to get boolean value of constraint with |name| from the
44 // mandatory constraints.
45 bool CONTENT_EXPORT
GetMandatoryConstraintValueAsBoolean(
46 const blink::WebMediaConstraints
& constraints
,
47 const std::string
& name
,
50 // Method to get int value of constraint with |name| from the
51 // mandatory constraints.
52 bool CONTENT_EXPORT
GetMandatoryConstraintValueAsInteger(
53 const blink::WebMediaConstraints
& constraints
,
54 const std::string
& name
,
57 // Method to get double value of constraint with |name| from the
58 // mandatory constraints.
59 bool CONTENT_EXPORT
GetMandatoryConstraintValueAsDouble(
60 const blink::WebMediaConstraints
& constraints
,
61 const std::string
& name
,
64 // Method to get bool value of constraint with |name| from the
65 // optional constraints.
66 bool CONTENT_EXPORT
GetOptionalConstraintValueAsBoolean(
67 const blink::WebMediaConstraints
& constraints
,
68 const std::string
& name
,
71 // Method to get int value of constraint with |name| from the
72 // optional constraints.
73 bool CONTENT_EXPORT
GetOptionalConstraintValueAsInteger(
74 const blink::WebMediaConstraints
& constraints
,
75 const std::string
& name
,
78 // Method to get double value of constraint with |name| from the
79 // optional constraints.
80 bool CONTENT_EXPORT
GetOptionalConstraintValueAsDouble(
81 const blink::WebMediaConstraints
& constraints
,
82 const std::string
& name
,
85 } // namespace content
87 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CONSTRAINTS_UTIL_H_