Move all Widevine code which have dependency on vendor modules from framework/base to vendor/widevine

Change-Id: I2b43e90c279391436f1bbb18ebd64961bec4f9ee
2011-02-18 22:51:13 -08:00
parent 1c53769dc1
commit 0f9922ff77
32 changed files with 2376 additions and 1 deletions
--- a/proprietary/drmwvmplugin/src/WVMDrmPlugin.cpp
+++ b/proprietary/drmwvmplugin/src/WVMDrmPlugin.cpp
@@ -0,0 +1,726 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_NDEBUG 0
+#define LOG_TAG "WVMDrmPlugIn"
+#include <utils/Log.h>
+#include <vector>
+
+#include <drm/DrmRights.h>
+#include <drm/DrmConstraints.h>
+#include <drm/DrmInfo.h>
+#include <drm/DrmInfoStatus.h>
+#include <drm/DrmConvertedStatus.h>
+#include <drm/DrmInfoRequest.h>
+#include <drm/DrmSupportInfo.h>
+#include <drm/DrmMetadata.h>
+
+#include "WVMDrmPlugin.h"
+#include "WVMLogging.h"
+#include "AndroidHooks.h"
+
+using namespace std;
+using namespace android;
+
+
+// This extern "C" is mandatory to be managed by TPlugInManager
+extern "C" IDrmEngine* create() {
+    return new WVMDrmPlugin();
+}
+
+// This extern "C" is mandatory to be managed by TPlugInManager
+extern "C" void destroy(IDrmEngine* pPlugIn) {
+    delete pPlugIn;
+}
+
+WVMDrmPlugin::WVMDrmPlugin()
+    : DrmEngineBase(),
+      mOnInfoListener(NULL),
+      mDrmPluginImpl(WVDRMPluginAPI::create())
+{
+}
+
+WVMDrmPlugin::~WVMDrmPlugin() {
+    WVDRMPluginAPI::destroy(mDrmPluginImpl);
+}
+
+
+/**
+ * Initialize plug-in
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onInitialize(int uniqueId) {
+    //LOGD("WVMDrmPlugin::onInitialize : %d", uniqueId);
+    AndroidSetLogCallout(android_printbuf);
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Terminate the plug-in
+ * and release resource bound to plug-in
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onTerminate(int uniqueId) {
+    //LOGD("WVMDrmPlugin::onTerminate : %d", uniqueId);
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Register a callback to be invoked when the caller required to
+ * receive necessary information
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] infoListener Listener
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onSetOnInfoListener(
+            int uniqueId, const IDrmEngine::OnInfoListener* infoListener) {
+    //LOGD("WVMDrmPlugin::onSetOnInfoListener : %d", uniqueId);
+    mOnInfoListener = infoListener;
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Retrieves necessary information for registration, unregistration or rights
+ * acquisition information.
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] drmInfoRequest Request information to retrieve drmInfo
+ * @return DrmInfo
+ *     instance as a result of processing given input
+ */
+DrmInfo* WVMDrmPlugin::onAcquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest) {
+    //LOGD("WVMDrmPlugin::onAcquireDrmInfo : %d", uniqueId);
+    DrmInfo* drmInfo = NULL;
+
+    std::string assetPath;
+
+    if (NULL != drmInfoRequest) {
+        switch(drmInfoRequest->getInfoType()) {
+            case DrmInfoRequest::TYPE_RIGHTS_ACQUISITION_INFO: {
+
+                assetPath = drmInfoRequest->get(String8("WVAssetURIKey")).string();
+
+                WVCredentials credentials;
+
+                // creates a data store object per each portal
+                credentials.portal = drmInfoRequest->get(String8("WVPortalKey")).string();
+                if ( (assetPath.size() == 0) || (credentials.portal.size() == 0) ) {
+                    LOGE("onAcquireDrmInfo: Empty asset path or portal string, must specify both");
+                    return NULL;
+                }
+
+                std::string assetDbPath = drmInfoRequest->get(String8("WVAssetDBPathKey")).string();
+                //LOGV("onAcquireDrmInfo: portal=%s, dsPath=%s", credentials.portal.c_str(), assetDbPath.c_str());
+
+                credentials.drmServerURL = drmInfoRequest->get(String8("WVDRMServerKey")).string();
+                credentials.userData = drmInfoRequest->get(String8("WVCAUserDataKey")).string();
+                credentials.deviceID = drmInfoRequest->get(String8("WVDeviceIDKey")).string();
+                credentials.streamID = drmInfoRequest->get(String8("WVStreamIDKey")).string();
+
+                string systemIdStr = drmInfoRequest->get(String8("WVSystemIDKey")).string();
+                string assetIdStr = drmInfoRequest->get(String8("WVAssetIDKey")).string();
+                string keyIdStr = drmInfoRequest->get(String8("WVKeyIDKey")).string();
+
+                uint32_t systemId, assetId, keyId;
+
+                if (!mDrmPluginImpl->AcquireDrmInfo(assetPath, credentials, assetDbPath,
+                                                    systemIdStr, assetIdStr, keyIdStr,
+                                                    &systemId, &assetId, &keyId))
+                    return NULL;
+
+
+                String8 dataString("dummy_acquistion_string");
+                int length = dataString.length();
+                char* data = NULL;
+                data = new char[length];
+                memcpy(data, dataString.string(), length);
+                drmInfo = new DrmInfo(drmInfoRequest->getInfoType(),
+                                      DrmBuffer(data, length), drmInfoRequest->getMimeType());
+
+                // Sets additional drmInfo attributes
+                drmInfo->put(String8("WVAssetURIKey"), String8(assetPath.c_str()));
+                drmInfo->put(String8("WVDRMServerKey"), String8(credentials.drmServerURL.c_str()));
+                drmInfo->put(String8("WVAssetDbPathKey"), String8(assetDbPath.c_str()));
+                drmInfo->put(String8("WVPortalKey"), String8(credentials.portal.c_str()));
+                drmInfo->put(String8("WVCAUserDataKey"), String8(credentials.userData.c_str()));
+                drmInfo->put(String8("WVDeviceIDKey"), String8(credentials.deviceID.c_str()));
+                drmInfo->put(String8("WVStreamIDKey"), String8(credentials.streamID.c_str()));
+
+                char buffer[16];
+                sprintf(buffer, "%lu", (unsigned long)systemId);
+                drmInfo->put(String8("WVSystemIDKey"), String8(buffer));
+                sprintf(buffer, "%lu", (unsigned long)assetId);
+                drmInfo->put(String8("WVAssetIDKey"), String8(buffer));
+                sprintf(buffer, "%lu", (unsigned long)keyId);
+                drmInfo->put(String8("WVKeyIDKey"), String8(buffer));
+                break;
+            }
+            case DrmInfoRequest::TYPE_REGISTRATION_INFO:
+            case DrmInfoRequest::TYPE_UNREGISTRATION_INFO:
+            case DrmInfoRequest::TYPE_RIGHTS_ACQUISITION_PROGRESS_INFO: {
+                LOGE("onAcquireDrmInfo: Unsupported DrmInfoRequest type %d",
+                     drmInfoRequest->getInfoType());
+                break;
+            }
+            default: {
+                LOGE("onAcquireDrmInfo: Unknown info type %d", drmInfoRequest->getInfoType());
+                break;
+            }
+        }
+    }
+    return drmInfo;
+}
+
+/**
+ * Executes given drm information based on its type
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] drmInfo Information needs to be processed
+ * @return DrmInfoStatus
+ *     instance as a result of processing given input
+ */
+DrmInfoStatus* WVMDrmPlugin::onProcessDrmInfo(int uniqueId, const DrmInfo* drmInfo) {
+    //LOGD("WVMDrmPlugin::onProcessDrmInfo: %d", uniqueId);
+
+    int status = DrmInfoStatus::STATUS_ERROR;
+
+    if (NULL != drmInfo) {
+        if (drmInfo->getInfoType() == DrmInfoRequest::TYPE_RIGHTS_ACQUISITION_INFO) {
+            std::string assetPath = drmInfo->get(String8("WVAssetURIKey")).string();
+
+            if (mDrmPluginImpl->ProcessDrmInfo(assetPath))
+                status = DrmInfoStatus::STATUS_OK;
+        } else {
+            LOGE("onProcessDrmInfo : drmInfo type %d not supported", drmInfo->getInfoType());
+        }
+    } else {
+        LOGE("onProcessDrmInfo : drmInfo cannot be NULL");
+    }
+
+    String8 licenseString("dummy_license_string");
+    const int bufferSize = licenseString.size();
+    char* data = NULL;
+    data = new char[bufferSize];
+    memcpy(data, licenseString.string(), bufferSize);
+    const DrmBuffer* buffer = new DrmBuffer(data, bufferSize);
+    DrmInfoStatus* drmInfoStatus =
+            new DrmInfoStatus(status, drmInfo->getInfoType(), buffer, drmInfo->getMimeType());
+
+    return drmInfoStatus;
+}
+
+/**
+ * Get constraint information associated with input content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path of the protected content
+ * @param[in] action Actions defined such as,
+ *     Action::DEFAULT, Action::PLAY, etc
+ * @return DrmConstraints
+ *     key-value pairs of constraint are embedded in it
+ * @note
+ *     In case of error, return NULL
+ */
+DrmConstraints* WVMDrmPlugin::onGetConstraints(int uniqueId, const String8* path, int action)
+{
+    //LOGD("WVMDrmPlugin::onGetConstraints : %d", uniqueId);
+
+    if ( (Action::DEFAULT != action) && (Action::PLAY != action) ) {
+        LOGE("onGetConstraints : action %d not supported", action);
+        return NULL;
+    }
+
+    uint32_t licenseDuration = 0;
+    uint32_t timeSincePlayback = 0;
+    uint32_t timeRemaining = 0;
+
+    std::string assetPath(path->string());
+    if (!mDrmPluginImpl->GetConstraints(assetPath, &timeSincePlayback, &timeRemaining, &licenseDuration))
+        return NULL;
+
+    DrmConstraints* drmConstraints =  new DrmConstraints();
+    char charValue[16]; // max uint32 = 0xffffffff + terminating char
+
+    memset(charValue, 0, 16);
+    sprintf(charValue, "%lu", (unsigned long)timeSincePlayback);
+    drmConstraints->put(&(DrmConstraints::LICENSE_START_TIME), charValue);
+
+    memset(charValue, 0, 16);
+    sprintf(charValue, "%lu", (unsigned long)timeRemaining);
+    drmConstraints->put(&(DrmConstraints::LICENSE_EXPIRY_TIME), charValue);
+
+    memset(charValue, 0, 16);
+    sprintf(charValue, "%lu", (unsigned long)licenseDuration);
+    drmConstraints->put(&(DrmConstraints::LICENSE_AVAILABLE_TIME), charValue);
+
+    return drmConstraints;
+}
+
+
+/**
+ * Returns the information about the Drm Engine capabilities which includes
+ * supported MimeTypes and file suffixes.
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @return DrmSupportInfo
+ *     instance which holds the capabilities of a plug-in
+ */
+DrmSupportInfo* WVMDrmPlugin::onGetSupportInfo(int uniqueId) {
+    //LOGD("WVMDrmPlugin::onGetSupportInfo : %d", uniqueId);
+    DrmSupportInfo* drmSupportInfo = new DrmSupportInfo();
+    // Add mimetype's
+    drmSupportInfo->addMimeType(String8("video/wvm"));
+    // Add File Suffixes
+    drmSupportInfo->addFileSuffix(String8(".wvm"));
+    // Add plug-in description
+    drmSupportInfo->setDescription(String8("Widevine DRM plug-in"));
+    return drmSupportInfo;
+}
+
+/**
+ * Get meta data from protected content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path of the protected content
+ *
+ * @return DrmMetadata
+ *      key-value pairs of meta data; NULL if failed
+ */
+DrmMetadata* WVMDrmPlugin::onGetMetadata(int uniqueId, const String8* path) {
+    //LOGD("WVDrmPlugin::onGetMetadata returns NULL\n");
+    return NULL;
+}
+
+/**
+ * Save DRM rights to specified rights path
+ * and make association with content path
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] drmRights DrmRights to be saved
+ * @param[in] rightsPath File path where rights to be saved
+ * @param[in] contentPath File path where content was saved
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onSaveRights(int uniqueId, const DrmRights& drmRights,
+            const String8& rightsPath, const String8& contentPath) {
+    //LOGD("WVMDrmPlugin::onSaveRights : %d", uniqueId);
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Get whether the given content can be handled by this plugin or not
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path the protected object
+ * @return bool
+ *     Returns true if this plugin can handle , false in case of not able to handle
+ */
+bool WVMDrmPlugin::onCanHandle(int uniqueId, const String8& path) {
+    //LOGD("WVMDrmPlugin::canHandle('%s') ", path.string());
+    String8 extension = path.getPathExtension();
+    extension.toLower();
+    return (String8(".wvm") == extension);
+}
+
+/**
+ * Retrieves the mime type embedded inside the original content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path of the protected content
+ * @return String8
+ *     Returns mime-type of the original content, such as "video/mpeg"
+ */
+String8 WVMDrmPlugin::onGetOriginalMimeType(int uniqueId, const String8& path) {
+    //LOGD("WVMDrmPlugin::onGetOriginalMimeType() : %d", uniqueId);
+    return String8("video/wvm");
+}
+
+/**
+ * Retrieves the type of the protected object (content, rights, etc..)
+ * using specified path or mimetype. At least one parameter should be non null
+ * to retrieve DRM object type
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path of the content or null.
+ * @param[in] mimeType Mime type of the content or null.
+ * @return type of the DRM content,
+ *     such as DrmObjectType::CONTENT, DrmObjectType::RIGHTS_OBJECT
+ */
+int WVMDrmPlugin::onGetDrmObjectType(
+            int uniqueId, const String8& path, const String8& mimeType) {
+    //LOGD("WVMDrmPlugin::onGetDrmObjectType() : %d", uniqueId);
+    return DrmObjectType::UNKNOWN;
+}
+
+/**
+ * Check whether the given content has valid rights or not
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path of the protected content
+ * @param[in] action Action to perform (Action::DEFAULT, Action::PLAY, etc)
+ * @return the status of the rights for the protected content,
+ *     such as RightsStatus::RIGHTS_VALID, RightsStatus::RIGHTS_EXPIRED, etc.
+ */
+int WVMDrmPlugin::onCheckRightsStatus(int uniqueId, const String8& path, int action) {
+    //LOGD("WVMDrmPlugin::onCheckRightsStatus() : %d", uniqueId);
+
+    if ( (Action::DEFAULT != action) && (Action::PLAY != action) ) {
+        LOGE("onCheckRightsStatus : action %d not supported", action);
+        return RightsStatus::RIGHTS_INVALID;
+    }
+
+    std::string assetPath(path.string());
+    int rightsStatus = mDrmPluginImpl->CheckRightsStatus(assetPath);
+
+    switch(rightsStatus) {
+    case WVDRMPluginAPI::RIGHTS_INVALID:
+        return RightsStatus::RIGHTS_INVALID;
+        break;
+    case WVDRMPluginAPI::RIGHTS_EXPIRED:
+        return RightsStatus::RIGHTS_EXPIRED;
+        break;
+    case WVDRMPluginAPI::RIGHTS_VALID:
+        return RightsStatus::RIGHTS_VALID;
+        break;
+    case WVDRMPluginAPI::RIGHTS_NOT_ACQUIRED:
+        return RightsStatus::RIGHTS_NOT_ACQUIRED;
+        break;
+    }
+    return RightsStatus::RIGHTS_INVALID;
+}
+
+/**
+ * Consumes the rights for a content.
+ * If the reserve parameter is true the rights is reserved until the same
+ * application calls this api again with the reserve parameter set to false.
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptHandle Handle for the decryption session
+ * @param[in] action Action to perform. (Action::DEFAULT, Action::PLAY, etc)
+ * @param[in] reserve True if the rights should be reserved.
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onConsumeRights(int uniqueId, DecryptHandle* decryptHandle,
+            int action, bool reserve) {
+    //LOGD("WVMDrmPlugin::onConsumeRights() : %d", uniqueId);
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Informs the DRM Engine about the playback actions performed on the DRM files.
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptHandle Handle for the decryption session
+ * @param[in] playbackStatus Playback action (Playback::START, Playback::STOP, Playback::PAUSE)
+ * @param[in] position Position in the file (in milliseconds) where the start occurs.
+ *     Only valid together with Playback::START.
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onSetPlaybackStatus(int uniqueId, DecryptHandle* decryptHandle,
+            int playbackStatus, off64_t position) {
+    //LOGD("WVMDrmPlugin::onSetPlaybackStatus");
+
+    int op;
+
+    switch(playbackStatus) {
+    case Playback::START:
+        op = WVDRMPluginAPI::PLAYBACK_START;
+        break;
+    case Playback::STOP:
+        op = WVDRMPluginAPI::PLAYBACK_STOP;
+        break;
+    case Playback::PAUSE:
+        op = WVDRMPluginAPI::PLAYBACK_PAUSE;
+        break;
+    default:
+        op = WVDRMPluginAPI::PLAYBACK_INVALID;
+        break;
+    }
+
+    if (mDrmPluginImpl->SetPlaybackStatus(op, position))
+        return DRM_NO_ERROR;
+
+    return DRM_ERROR_UNKNOWN;
+}
+
+/**
+ * Validates whether an action on the DRM content is allowed or not.
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path of the protected content
+ * @param[in] action Action to validate (Action::PLAY, Action::TRANSFER, etc)
+ * @param[in] description Detailed description of the action
+ * @return true if the action is allowed.
+ */
+bool WVMDrmPlugin::onValidateAction(int uniqueId, const String8& path,
+            int action, const ActionDescription& description) {
+    //LOGD("WVMDrmPlugin::onValidateAction() : %d", uniqueId);
+    return true;
+}
+
+/**
+ * Removes the rights associated with the given protected content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] path Path of the protected content
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onRemoveRights(int uniqueId, const String8& path) {
+    //LOGD("WVMDrmPlugin::onRemoveRights() : %d", uniqueId);
+
+    std::string assetPath(path.string());
+    if (mDrmPluginImpl->RemoveRights(assetPath))
+        return DRM_NO_ERROR;
+
+    return DRM_ERROR_UNKNOWN;
+}
+
+/**
+ * Removes all the rights information of each plug-in associated with
+ * DRM framework. Will be used in master reset
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onRemoveAllRights(int uniqueId) {
+    //LOGD("WVMDrmPlugin::onRemoveAllRights() : %d", uniqueId);
+
+    if (mDrmPluginImpl->RemoveAllRights())
+        return DRM_NO_ERROR;
+
+    return DRM_ERROR_UNKNOWN;
+}
+
+/**
+ * Open the decrypt session to decrypt the given protected content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptHandle Handle for the current decryption session
+ * @param[in] fd File descriptor of the protected content to be decrypted
+ * @param[in] offset Start position of the content
+ * @param[in] length The length of the protected content
+ * @return
+ *     DRM_ERROR_CANNOT_HANDLE for failure and DRM_NO_ERROR for success
+ */
+status_t WVMDrmPlugin::onOpenDecryptSession(
+            int uniqueId, DecryptHandle *decryptHandle, int fd, off64_t offset, off64_t length)
+{
+    status_t result = DRM_ERROR_CANNOT_HANDLE;
+
+    //LOGD("onOpenDecryptSession: fd=%d, offset=%lld, length=%lld", fd, offset, length);
+
+    char buffer[64 * 1024];
+    int dupfd = dup(fd);
+    if (dupfd == -1)
+        return result;
+
+    FILE *f = fdopen(dupfd, "rb");
+    if (f) {
+        fseek(f, 0, SEEK_SET);
+        if (fread(buffer, 1, sizeof(buffer), f) != sizeof(buffer)) {
+            fclose(f);
+            return DRM_ERROR_CANNOT_HANDLE;
+        }
+        fclose(f);
+    } else {
+        close(dupfd);
+        return result;
+    }
+
+    if (WV_IsWidevineMedia(buffer, sizeof(buffer))) {
+        //LOGD("WVMDrmPlugin::onOpenDecryptSession - WV_IsWidevineMedia: true");
+        decryptHandle->mimeType = String8("video/wvm");
+        decryptHandle->decryptApiType = DecryptApiType::WV_BASED;
+        decryptHandle->status = DRM_NO_ERROR;
+        decryptHandle->decryptInfo = NULL;
+        result = DRM_NO_ERROR;
+    } else {
+        //LOGD("WVMDrmPlugin::onOpenDecryptSession - not Widevine media");
+    }
+
+    return result;
+}
+
+/**
+ * Open the decrypt session to decrypt the given protected content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptHandle Handle for the current decryption session
+ * @param[in] uri Path of the protected content to be decrypted
+ * @return
+ *     DRM_ERROR_CANNOT_HANDLE for failure and DRM_NO_ERROR for success
+ */
+status_t WVMDrmPlugin::onOpenDecryptSession(
+    int uniqueId, DecryptHandle* decryptHandle, const char* uri)
+{
+    status_t result = DRM_ERROR_CANNOT_HANDLE;
+
+    if (!uri)
+        return result;
+
+    size_t len = strlen(uri);
+
+    if ((len >= 4 && !strncmp(&uri[len - 4], ".wvm", 4)) ||
+        (strstr(uri, ".wvm?") != NULL) ||
+        (len >= 5 && !strncmp(&uri[len - 5], ".m3u8", 5)) ||
+        (strstr(uri, ".m3u8?") != NULL))
+    {
+        //LOGD("WVMDrmPlugin::onOpenDecryptSession(uri) : %d - match", uniqueId);
+        decryptHandle->mimeType = String8("video/wvm");
+        decryptHandle->decryptApiType = DecryptApiType::WV_BASED;
+        decryptHandle->status = DRM_NO_ERROR;
+        decryptHandle->decryptInfo = NULL;
+
+        mDrmPluginImpl->OpenSession();
+        result = DRM_NO_ERROR;
+    } else {
+        //LOGD("WVMDrmPlugin::onOpenDecryptSession(uri) - not Widevine media");
+    }
+
+
+    return result;
+}
+
+
+/**
+ * Close the decrypt session for the given handle
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptHandle Handle for the decryption session
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onCloseDecryptSession(int uniqueId, DecryptHandle* decryptHandle) {
+    //LOGD("WVMDrmPlugin::onCloseDecryptSession() : %d", uniqueId);
+    if (NULL != decryptHandle) {
+        if (NULL != decryptHandle->decryptInfo) {
+            delete decryptHandle->decryptInfo; decryptHandle->decryptInfo = NULL;
+        }
+        delete decryptHandle; decryptHandle = NULL;
+    }
+    mDrmPluginImpl->CloseSession();
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Initialize decryption for the given unit of the protected content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptId Handle for the decryption session
+ * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID
+ * @param[in] headerInfo Information for initializing decryption of this decrypUnit
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onInitializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
+            int decryptUnitId, const DrmBuffer* headerInfo) {
+    //LOGD("WVMDrmPlugin::onInitializeDecryptUnit(): %d", uniqueId);
+    if (!mDrmPluginImpl->Prepare(headerInfo->data, headerInfo->length))
+        return DRM_ERROR_CANNOT_HANDLE;
+
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Decrypt the protected content buffers for the given unit
+ * This method will be called any number of times, based on number of
+ * encrypted streams received from application.
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptId Handle for the decryption session
+ * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID
+ * @param[in] encBuffer Encrypted data block
+ * @param[out] decBuffer Decrypted data block
+ * @param[in] IV Optional buffer
+ * @return status_t
+ *     Returns the error code for this API
+ *     DRM_NO_ERROR for success, and one of DRM_ERROR_UNKNOWN, DRM_ERROR_LICENSE_EXPIRED
+ *     DRM_ERROR_SESSION_NOT_OPENED, DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED,
+ *     DRM_ERROR_DECRYPT for failure.
+ */
+status_t WVMDrmPlugin::onDecrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
+                                 const DrmBuffer* encBuffer, DrmBuffer** decBuffer,
+                                 DrmBuffer *ivBuffer)
+{
+    //LOGD("WVMDrmPlugin::onDecrypt\n");
+#define AES_BLOCK_SIZE 16
+    char iv[AES_BLOCK_SIZE];
+    memcpy(iv, ivBuffer->data, sizeof(iv));
+
+    if (*decBuffer == NULL)
+        return DRM_ERROR_DECRYPT;
+
+    (*decBuffer)->length = encBuffer->length;
+
+    if (!mDrmPluginImpl->Operate(encBuffer->data, (*decBuffer)->data, encBuffer->length, iv)) {
+        (*decBuffer)->length = 0;
+        usleep(1000000);  // prevent spinning
+        return DRM_ERROR_LICENSE_EXPIRED;
+    }
+
+    return DRM_NO_ERROR;
+}
+
+/**
+ * Finalize decryption for the given unit of the protected content
+ *
+ * @param[in] uniqueId Unique identifier for a session
+ * @param[in] decryptHandle Handle for the decryption session
+ * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID
+ * @return status_t
+ *     Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure
+ */
+status_t WVMDrmPlugin::onFinalizeDecryptUnit(
+            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) {
+    //LOGD("WVMDrmPlugin::onFinalizeDecryptUnit() : %d", uniqueId);
+    return DRM_NO_ERROR;
+}
+
+/**
+ * The following methods are not required for the Widevine DRM plugin
+ */
+ssize_t WVMDrmPlugin::onPread(int uniqueId, DecryptHandle* decryptHandle,
+            void* buffer, ssize_t numBytes, off64_t offset) {
+    return DRM_ERROR_UNKNOWN;
+}
+
+
+status_t WVMDrmPlugin::onOpenConvertSession(int uniqueId, int convertId) {
+    return DRM_ERROR_UNKNOWN;
+}
+
+DrmConvertedStatus* WVMDrmPlugin::onConvertData(
+            int uniqueId, int convertId, const DrmBuffer* inputData) {
+    return NULL;
+}
+
+DrmConvertedStatus* WVMDrmPlugin::onCloseConvertSession(int uniqueId, int convertId) {
+    return NULL;
+}
+
+
--- a/proprietary/drmwvmplugin/src/WVMLogging.cpp
+++ b/proprietary/drmwvmplugin/src/WVMLogging.cpp
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "WVMLogging"
+#include <utils/Log.h>
+#include "WVMLogging.h"
+
+// Connect Widevine debug logging into Android logging
+
+void android_printbuf(const char *buf)
+{
+    LOGD("%s", buf);
+}