Wire up MediaCapabilities is_supported to MimeUtil

third_party/WebKit/Source/modules/media_capabilities/MediaCapabilities.cpp

 // Copyright 2017 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.
 
 #include "modules/media_capabilities/MediaCapabilities.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "modules/media_capabilities/MediaConfiguration.h"
 #include "modules/media_capabilities/MediaDecodingAbility.h"
+#include "platform/network/ParsedContentType.h"
 #include "public/platform/Platform.h"
 #include "public/platform/modules/media_capabilities/WebMediaCapabilitiesClient.h"
 #include "public/platform/modules/media_capabilities/WebMediaConfiguration.h"
 #include "public/platform/modules/media_capabilities/WebMediaDecodingAbility.h"
 
 namespace blink {
 
 namespace {
 
 WebAudioConfiguration toWebAudioConfiguration(
     const AudioConfiguration& configuration) {
   WebAudioConfiguration webConfiguration;
 
   // contentType is mandatory.
   DCHECK(configuration.hasContentType());
-  webConfiguration.contentType = configuration.contentType();
+  ParsedContentType parsedContentType(configuration.contentType(),
+                                      ParsedContentType::Mode::Strict);
+
+  // TODO(mlamouri): Sort out error handling for invalid input. Spec issue
+  // https://github.com/WICG/media-capabilities/issues/32
+  DCHECK(parsedContentType.isValid());
+
+  DEFINE_STATIC_LOCAL(const String, codecs, ("codecs"));
+  webConfiguration.mimeType = parsedContentType.mimeType().lower();
+  webConfiguration.codec = parsedContentType.parameterValueForName(codecs);
 
   // channels is optional and will be set to a null WebString if not present.
   webConfiguration.channels = configuration.hasChannels()
                                   ? WebString(configuration.channels())
                                   : WebString();
 
   if (configuration.hasBitrate())
     webConfiguration.bitrate = configuration.bitrate();
 
   if (configuration.hasSamplerate())
     webConfiguration.samplerate = configuration.samplerate();
 
   return webConfiguration;
 }
 
 WebVideoConfiguration toWebVideoConfiguration(
     const VideoConfiguration& configuration) {
   WebVideoConfiguration webConfiguration;
 
   // All the properties are mandatory.
   DCHECK(configuration.hasContentType());
-  webConfiguration.contentType = configuration.contentType();
+  ParsedContentType parsedContentType(configuration.contentType(),
+                                      ParsedContentType::Mode::Strict);
+  // TODO(mlamouri): Sort out error handling for invalid input. Spec issue
+  // https://github.com/WICG/media-capabilities/issues/32
+  DCHECK(parsedContentType.isValid());
+
+  DEFINE_STATIC_LOCAL(const String, codecs, ("codecs"));
+  webConfiguration.mimeType = parsedContentType.mimeType().lower();
+  webConfiguration.codec = parsedContentType.parameterValueForName(codecs);
 
   DCHECK(configuration.hasWidth());
   webConfiguration.width = configuration.width();
 
   DCHECK(configuration.hasHeight());
   webConfiguration.height = configuration.height();
 
   DCHECK(configuration.hasBitrate());
   webConfiguration.bitrate = configuration.bitrate();
 
@@ skipping 37 matching lines @@
       toWebMediaConfiguration(configuration),
       WTF::makeUnique<CallbackPromiseAdapter<MediaDecodingAbility, void>>(
           resolver));
 
   return promise;
 }
 
 DEFINE_TRACE(MediaCapabilities) {}
 
 }  // namespace blink