MediaSourcePlayer implements IsTypeSupported().

media/base/android/media_codec_bridge.cc

 // Copyright (c) 2013 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 "media/base/android/media_codec_bridge.h"
 
 #include <jni.h>
 
 #include "base/android/build_info.h"
 #include "base/android/jni_android.h"
@@ skipping 54 matching lines @@
 // static
 const base::TimeDelta MediaCodecBridge::kTimeOutNoWait =
     base::TimeDelta::FromMicroseconds(0);
 
 // static
 bool MediaCodecBridge::IsAvailable() {
   // MediaCodec is only available on JB and greater.
   return base::android::BuildInfo::GetInstance()->sdk_int() >= 16;
 }
 
+// static
+bool MediaCodecBridge::CanPlayType(const char* mime, bool secure) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> j_mime = ConvertUTF8ToJavaString(env, mime);
+  return !Java_MediaCodecBridge_create(env, j_mime.obj(), secure).is_null();
+}
+
+// TODO(xhwang): Support creating secure MediaCodecBridge.
 MediaCodecBridge::MediaCodecBridge(const char* mime) {
   JNIEnv* env = AttachCurrentThread();
   CHECK(env);
   DCHECK(mime);
 
-  ScopedJavaLocalRef<jstring> j_type = ConvertUTF8ToJavaString(env, mime);
-  j_media_codec_.Reset(Java_MediaCodecBridge_create(
-      env, j_type.obj()));
+  ScopedJavaLocalRef<jstring> j_mime = ConvertUTF8ToJavaString(env, mime);
+  j_media_codec_.Reset(Java_MediaCodecBridge_create(env, j_mime.obj(), false));
 }
 
 MediaCodecBridge::~MediaCodecBridge() {
   JNIEnv* env = AttachCurrentThread();
   CHECK(env);
   if (j_media_codec_.obj())
     Java_MediaCodecBridge_release(env, j_media_codec_.obj());
 }
 
 void MediaCodecBridge::StartInternal() {
@@ skipping 324 matching lines @@
 VideoCodecBridge* VideoCodecBridge::Create(const VideoCodec codec) {
   const char* mime = VideoCodecToMimeType(codec);
   return mime ? new VideoCodecBridge(mime) : NULL;
 }
 
 bool MediaCodecBridge::RegisterMediaCodecBridge(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace media