GenericSource: set DRM playback status.

Bug: 17307158
Change-Id: I36b801a9b67831b618930cf1241756bb9644b4fd
diff --git a/media/libmediaplayerservice/Android.mk b/media/libmediaplayerservice/Android.mk
index 0c7e590c..adc066d 100644
--- a/media/libmediaplayerservice/Android.mk
+++ b/media/libmediaplayerservice/Android.mk
@@ -28,6 +28,7 @@
     libcamera_client            \
     libcrypto                   \
     libcutils                   \
+    libdrmframework             \
     liblog                      \
     libdl                       \
     libgui                      \
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.cpp b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
index cdb7e69..3691c85 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
@@ -32,6 +32,7 @@
 #include <media/stagefright/MediaExtractor.h>
 #include <media/stagefright/MediaSource.h>
 #include <media/stagefright/MetaData.h>
+#include "../../libstagefright/include/DRMExtractor.h"
 #include "../../libstagefright/include/NuCachedSource2.h"
 #include "../../libstagefright/include/WVMExtractor.h"
 
@@ -49,6 +50,7 @@
       mIsWidevine(false),
       mUIDValid(uidValid),
       mUID(uid),
+      mDrmManagerClient(NULL),
       mMetaDataSize(-1ll),
       mBitrate(-1ll),
       mPollBufferingGeneration(0) {
@@ -57,12 +59,18 @@
 }
 
 void NuPlayer::GenericSource::resetDataSource() {
+    mAudioTimeUs = 0;
+    mVideoTimeUs = 0;
     mHTTPService.clear();
     mUri.clear();
     mUriHeaders.clear();
     mFd = -1;
     mOffset = 0;
     mLength = 0;
+    setDrmPlaybackStatusIfNeeded(Playback::STOP, 0);
+    mDecryptHandle = NULL;
+    mDrmManagerClient = NULL;
+    mStarted = false;
 }
 
 status_t NuPlayer::GenericSource::setDataSource(
@@ -130,6 +138,10 @@
         return UNKNOWN_ERROR;
     }
 
+    if (extractor->getDrmFlag()) {
+        checkDrmStatus(mDataSource);
+    }
+
     sp<MetaData> fileMeta = extractor->getMetaData();
     if (fileMeta != NULL) {
         int64_t duration;
@@ -199,6 +211,28 @@
     return OK;
 }
 
+void NuPlayer::GenericSource::checkDrmStatus(const sp<DataSource>& dataSource) {
+    dataSource->getDrmInfo(mDecryptHandle, &mDrmManagerClient);
+    if (mDecryptHandle != NULL) {
+        CHECK(mDrmManagerClient);
+        if (RightsStatus::RIGHTS_VALID != mDecryptHandle->status) {
+            sp<AMessage> msg = dupNotify();
+            msg->setInt32("what", kWhatDrmNoLicense);
+            msg->post();
+        }
+    }
+}
+
+int64_t NuPlayer::GenericSource::getLastReadPosition() {
+    if (mAudioTrack.mSource != NULL) {
+        return mAudioTimeUs;
+    } else if (mVideoTrack.mSource != NULL) {
+        return mVideoTimeUs;
+    } else {
+        return 0;
+    }
+}
+
 status_t NuPlayer::GenericSource::setBuffers(
         bool audio, Vector<MediaBuffer *> &buffers) {
     if (mIsWidevine && !audio) {
@@ -394,6 +428,33 @@
 
         readBuffer(MEDIA_TRACK_TYPE_VIDEO);
     }
+
+    setDrmPlaybackStatusIfNeeded(Playback::START, getLastReadPosition() / 1000);
+    mStarted = true;
+}
+
+void NuPlayer::GenericSource::stop() {
+    // nothing to do, just account for DRM playback status
+    setDrmPlaybackStatusIfNeeded(Playback::STOP, 0);
+    mStarted = false;
+}
+
+void NuPlayer::GenericSource::pause() {
+    // nothing to do, just account for DRM playback status
+    setDrmPlaybackStatusIfNeeded(Playback::PAUSE, 0);
+    mStarted = false;
+}
+
+void NuPlayer::GenericSource::resume() {
+    // nothing to do, just account for DRM playback status
+    setDrmPlaybackStatusIfNeeded(Playback::START, getLastReadPosition() / 1000);
+    mStarted = true;
+}
+
+void NuPlayer::GenericSource::setDrmPlaybackStatusIfNeeded(int playbackStatus, int64_t position) {
+    if (mDecryptHandle != NULL) {
+        mDrmManagerClient->setPlaybackStatus(mDecryptHandle, playbackStatus, position);
+    }
 }
 
 status_t NuPlayer::GenericSource::feedMoreTSData() {
@@ -868,6 +929,10 @@
         readBuffer(MEDIA_TRACK_TYPE_AUDIO, seekTimeUs);
     }
 
+    setDrmPlaybackStatusIfNeeded(Playback::START, seekTimeUs / 1000);
+    if (!mStarted) {
+        setDrmPlaybackStatusIfNeeded(Playback::PAUSE, 0);
+    }
     return OK;
 }
 
@@ -985,6 +1050,14 @@
         options.clearSeekTo();
 
         if (err == OK) {
+            int64_t timeUs;
+            CHECK(mbuf->meta_data()->findInt64(kKeyTime, &timeUs));
+            if (trackType == MEDIA_TRACK_TYPE_AUDIO) {
+                mAudioTimeUs = timeUs;
+            } else if (trackType == MEDIA_TRACK_TYPE_VIDEO) {
+                mVideoTimeUs = timeUs;
+            }
+
             // formatChange && seeking: track whose source is changed during selection
             // formatChange && !seeking: track whose source is not changed during selection
             // !formatChange: normal seek
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.h b/media/libmediaplayerservice/nuplayer/GenericSource.h
index 663bfae..1f13120 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.h
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.h
@@ -27,6 +27,8 @@
 
 namespace android {
 
+class DecryptHandle;
+class DrmManagerClient;
 struct AnotherPacketSource;
 struct ARTSPController;
 struct DataSource;
@@ -49,6 +51,9 @@
     virtual void prepareAsync();
 
     virtual void start();
+    virtual void stop();
+    virtual void pause();
+    virtual void resume();
 
     virtual status_t feedMoreTSData();
 
@@ -90,7 +95,9 @@
     };
 
     Track mAudioTrack;
+    int64_t mAudioTimeUs;
     Track mVideoTrack;
+    int64_t mVideoTimeUs;
     Track mSubtitleTrack;
     Track mTimedTextTrack;
 
@@ -111,6 +118,9 @@
     sp<DataSource> mDataSource;
     sp<NuCachedSource2> mCachedSource;
     sp<WVMExtractor> mWVMExtractor;
+    DrmManagerClient *mDrmManagerClient;
+    sp<DecryptHandle> mDecryptHandle;
+    bool mStarted;
     String8 mContentType;
     AString mSniffedMIME;
     off64_t mMetaDataSize;
@@ -122,6 +132,9 @@
     void resetDataSource();
 
     status_t initFromDataSource();
+    void checkDrmStatus(const sp<DataSource>& dataSource);
+    int64_t getLastReadPosition();
+    void setDrmPlaybackStatusIfNeeded(int playbackStatus, int64_t position);
 
     status_t prefillCacheIfNecessary();
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index f4cd02c..bc7bf44 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -1915,6 +1915,12 @@
             break;
         }
 
+        case Source::kWhatDrmNoLicense:
+        {
+            notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE);
+            break;
+        }
+
         default:
             TRESPASS();
     }
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 45657c2..7ccf3b1 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -51,6 +51,7 @@
         kWhatSubtitleData,
         kWhatTimedTextData,
         kWhatQueueDecoderShutdown,
+        kWhatDrmNoLicense,
     };
 
     // The provides message is used to notify the player about various