Index: media/base/mime_util.h |
diff --git a/media/base/mime_util.h b/media/base/mime_util.h |
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+++ b/media/base/mime_util.h |
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+// Copyright 2015 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_BASE_MIME_UTIL_H__ |
+#define MEDIA_BASE_MIME_UTIL_H__ |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "media/base/media_export.h" |
+ |
+namespace media { |
+ |
+MEDIA_EXPORT bool IsSupportedMediaMimeType(const std::string& mime_type); |
+ |
+// 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); |
+ |
+// Indicates that the MIME type and (possible codec string) are supported by the |
+// underlying platform. |
+enum SupportsType { |
+ // The underlying platform is known not to support the given MIME type and |
+ // codec combination. |
+ IsNotSupported, |
+ |
+ // The underlying platform is known to support the given MIME type and codec |
+ // combination. |
+ IsSupported, |
+ |
+ // The underlying platform is unsure whether the given MIME type and codec |
+ // combination can be rendered or not before actually trying to play it. |
+ MayBeSupported |
+}; |
+ |
+// Checks the |mime_type| and |codecs| against the MIME types known to support |
+// only a particular subset of codecs. |
+// * Returns IsSupported if the |mime_type| is supported and all the codecs |
+// within the |codecs| are supported for the |mime_type|. |
+// * Returns MayBeSupported if the |mime_type| is supported and is known to |
+// support only a subset of codecs, but |codecs| was empty. Also returned if |
+// all the codecs in |codecs| are supported, but additional codec parameters |
+// were supplied (such as profile) for which the support cannot be decided. |
+// * Returns IsNotSupported if either the |mime_type| is not supported or the |
+// |mime_type| is supported but at least one of the codecs within |codecs| is |
+// not supported for the |mime_type|. |
+MEDIA_EXPORT SupportsType IsSupportedStrictMediaMimeType( |
+ const std::string& mime_type, |
+ const std::vector<std::string>& codecs); |
+ |
+// Test only method that removes proprietary media types and codecs from the |
+// list of supported MIME types and codecs. These types and codecs must be |
+// removed to ensure consistent layout test results across all Chromium |
+// variations. |
+MEDIA_EXPORT void RemoveProprietaryMediaTypesAndCodecsForTests(); |
+ |
+} // namespace media |
+ |
+#endif // MEDIA_BASE_MIME_UTIL_H__ |