| // 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. |
| |
| #ifndef MEDIA_PLAYER_MIME_UTIL_H__ |
| #define MEDIA_PLAYER_MIME_UTIL_H__ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/file_path.h" |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| // Get the mime type (if any) that is associated with the given file extension. |
| // Returns true if a corresponding mime type exists. |
| MEDIA_EXPORT bool GetMimeTypeFromExtension(const FilePath::StringType& ext, |
| std::string* mime_type); |
| |
| // Get the mime type (if any) that is associated with the given file extension. |
| // Returns true if a corresponding mime type exists. In this method, |
| // the search for a mime type is constrained to a limited set of |
| // types known to the net library, the OS/registry is not consulted. |
| MEDIA_EXPORT bool GetWellKnownMimeTypeFromExtension( |
| const FilePath::StringType& ext, |
| std::string* mime_type); |
| |
| // Get the mime type (if any) that is associated with the given file. Returns |
| // true if a corresponding mime type exists. |
| MEDIA_EXPORT bool GetMimeTypeFromFile(const FilePath& file_path, |
| std::string* mime_type); |
| |
| // Get the preferred extension (if any) associated with the given mime type. |
| // Returns true if a corresponding file extension exists. The extension is |
| // returned without a prefixed dot, ex "html". |
| MEDIA_EXPORT bool GetPreferredExtensionForMimeType( |
| const std::string& mime_type, |
| FilePath::StringType* extension); |
| |
| // Check to see if a particular MIME type is in our list. |
| MEDIA_EXPORT bool IsSupportedImageMimeType(const std::string& mime_type); |
| MEDIA_EXPORT bool IsSupportedMediaMimeType(const std::string& mime_type); |
| MEDIA_EXPORT bool IsSupportedNonImageMimeType(const std::string& mime_type); |
| MEDIA_EXPORT bool IsUnsupportedTextMimeType(const std::string& mime_type); |
| MEDIA_EXPORT bool IsSupportedJavascriptMimeType(const std::string& mime_type); |
| MEDIA_EXPORT bool IsSupportedCertificateMimeType(const std::string& mime_type); |
| |
| // Get whether this mime type should be displayed in view-source mode. |
| // (For example, XML.) |
| MEDIA_EXPORT bool IsViewSourceMimeType(const std::string& mime_type); |
| |
| // Convenience function. |
| MEDIA_EXPORT bool IsSupportedMimeType(const std::string& mime_type); |
| |
| // Returns true if this the mime_type_pattern matches a given mime-type. |
| // Checks for absolute matching and wildcards. mime-types should be in |
| // lower case. |
| MEDIA_EXPORT bool MatchesMimeType(const std::string& mime_type_pattern, |
| const std::string& mime_type); |
| |
| // Returns true if the |type_string| is a correctly-formed mime type specifier. |
| // Allows strings of the form x/y[;params], where "x" is a legal mime type name. |
| // Also allows wildcard types -- "x/*", "*/*", and "*". |
| MEDIA_EXPORT bool IsMimeType(const std::string& type_string); |
| |
| // Returns true if and only if all codecs are supported, false otherwise. |
| MEDIA_EXPORT bool AreSupportedMediaCodecs( |
| const std::vector<std::string>& codecs); |
| |
| // Parses a codec string, populating |codecs_out| with the prefix of each codec |
| // in the string |codecs_in|. For example, passed "aaa.b.c,dd.eee", if |
| // |strip| == true |codecs_out| will contain {"aaa", "dd"}, if |strip| == false |
| // |codecs_out| will contain {"aaa.b.c", "dd.eee"}. |
| // See http://www.ietf.org/rfc/rfc4281.txt. |
| MEDIA_EXPORT void ParseCodecString(const std::string& codecs, |
| std::vector<std::string>* codecs_out, |
| bool strip); |
| |
| // Check to see if a particular MIME type is in our list which only supports a |
| // certain subset of codecs. |
| MEDIA_EXPORT bool IsStrictMediaMimeType(const std::string& mime_type); |
| |
| // Check to see if a particular MIME type is in our list which only supports a |
| // certain subset of codecs. Returns true if and only if all codecs are |
| // supported for that specific MIME type, false otherwise. If this returns |
| // false you will still need to check if the media MIME tpyes and codecs are |
| // supported. |
| MEDIA_EXPORT bool IsSupportedStrictMediaMimeType( |
| const std::string& mime_type, |
| const std::vector<std::string>& codecs); |
| |
| // Get the extensions associated with the given mime type. This should be passed |
| // in lower case. There could be multiple extensions for a given mime type, like |
| // "html,htm" for "text/html", or "txt,text,html,..." for "text/*". |
| // Note that we do not erase the existing elements in the the provided vector. |
| // Instead, we append the result to it. |
| MEDIA_EXPORT void GetExtensionsForMimeType( |
| const std::string& mime_type, |
| std::vector<FilePath::StringType>* extensions); |
| |
| // Test only methods that return lists of proprietary media types and codecs |
| // that are not supported by all variations of Chromium. |
| // These types and codecs must be blacklisted to ensure consistent layout test |
| // results across all Chromium variations. |
| MEDIA_EXPORT void GetMediaTypesBlacklistedForTests( |
| std::vector<std::string>* types); |
| MEDIA_EXPORT void GetMediaCodecsBlacklistedForTests( |
| std::vector<std::string>* codecs); |
| |
| // Returns the IANA media type contained in |mime_type|, or an empty |
| // string if |mime_type| does not specifify a known media type. |
| // Supported media types are defined at: |
| // http://www.iana.org/assignments/media-types/index.html |
| MEDIA_EXPORT const std::string GetIANAMediaType(const std::string& mime_type); |
| |
| // A list of supported certificate-related mime types. |
| enum CertificateMimeType { |
| #define CERTIFICATE_MIME_TYPE(name, value) CERTIFICATE_MIME_TYPE_ ## name = value, |
| #include "media/player/mime_util_certificate_type_list.h" |
| #undef CERTIFICATE_MIME_TYPE |
| }; |
| |
| MEDIA_EXPORT CertificateMimeType GetCertificateMimeTypeForMimeType( |
| const std::string& mime_type); |
| |
| } // namespace media |
| |
| #endif // MEDIA_PLAYER_MIME_UTIL_H__ |