NuPlayer: reports paused position in paused state.

Bug: 18733773
Change-Id: I993a4bf108913ab98a0294d7dcf7605349f7029b

3 files changed, 67 insertions, 7 deletions

diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
index d050c78..e7e1759 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
@@ -380,13 +380,22 @@ status_t NuPlayerDriver::seekTo(int msec) {
 
 status_t NuPlayerDriver::getCurrentPosition(int *msec) {
     int64_t tempUs = 0;
+    {
+        Mutex::Autolock autoLock(mLock);
+        if (mSeekInProgress || mState == STATE_PAUSED) {
+            tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
+            *msec = (int)divRound(tempUs, (int64_t)(1000));
+            return OK;
+        }
+    }
+
     status_t ret = mPlayer->getCurrentPosition(&tempUs);
 
     Mutex::Autolock autoLock(mLock);
     // We need to check mSeekInProgress here because mPlayer->seekToAsync is an async call, which
     // means getCurrentPosition can be called before seek is completed. Iow, renderer may return a
     // position value that's different the seek to position.
-    if (ret != OK || mSeekInProgress) {
+    if (ret != OK) {
         tempUs = (mPositionUs <= 0) ? 0 : mPositionUs;
     } else {
         mPositionUs = tempUs;
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
index 21b74ee..08c49f2 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
@@ -68,6 +68,7 @@ NuPlayer::Renderer::Renderer(
       mNotifyCompleteVideo(false),
       mSyncQueues(false),
       mPaused(false),
+      mPausePositionMediaTimeUs(0),
       mVideoSampleReceived(false),
       mVideoRenderingStarted(false),
       mVideoRenderingStartGeneration(0),
@@ -166,11 +167,48 @@ void NuPlayer::Renderer::setVideoFrameRate(float fps) {
     msg->post();
 }
 
+// Called on any threads, except renderer's thread.
 status_t NuPlayer::Renderer::getCurrentPosition(int64_t *mediaUs) {
-    return getCurrentPosition(mediaUs, ALooper::GetNowUs());
+    {
+        Mutex::Autolock autoLock(mLock);
+        int64_t currentPositionUs;
+        if (getCurrentPositionIfPaused_l(&currentPositionUs)) {
+            *mediaUs = currentPositionUs;
+            return OK;
+        }
+    }
+    return getCurrentPositionFromAnchor(mediaUs, ALooper::GetNowUs());
+}
+
+// Called on only renderer's thread.
+status_t NuPlayer::Renderer::getCurrentPositionOnLooper(int64_t *mediaUs) {
+    return getCurrentPositionOnLooper(mediaUs, ALooper::GetNowUs());
 }
 
-status_t NuPlayer::Renderer::getCurrentPosition(
+// Called on only renderer's thread.
+// Since mPaused and mPausePositionMediaTimeUs are changed only on renderer's
+// thread, no need to acquire mLock.
+status_t NuPlayer::Renderer::getCurrentPositionOnLooper(
+        int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo) {
+    int64_t currentPositionUs;
+    if (getCurrentPositionIfPaused_l(&currentPositionUs)) {
+        *mediaUs = currentPositionUs;
+        return OK;
+    }
+    return getCurrentPositionFromAnchor(mediaUs, nowUs, allowPastQueuedVideo);
+}
+
+// Called either with mLock acquired or on renderer's thread.
+bool NuPlayer::Renderer::getCurrentPositionIfPaused_l(int64_t *mediaUs) {
+    if (!mPaused) {
+        return false;
+    }
+    *mediaUs = mPausePositionMediaTimeUs;
+    return true;
+}
+
+// Called on any threads.
+status_t NuPlayer::Renderer::getCurrentPositionFromAnchor(
         int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo) {
     Mutex::Autolock autoLock(mTimeLock);
     if (!mHasAudio && !mHasVideo) {
@@ -715,7 +753,8 @@ int64_t NuPlayer::Renderer::getPendingAudioPlayoutDurationUs(int64_t nowUs) {
 
 int64_t NuPlayer::Renderer::getRealTimeUs(int64_t mediaTimeUs, int64_t nowUs) {
     int64_t currentPositionUs;
-    if (getCurrentPosition(&currentPositionUs, nowUs, true /* allowPastQueuedVideo */) != OK) {
+    if (getCurrentPositionOnLooper(
+            &currentPositionUs, nowUs, true /* allowPastQueuedVideo */) != OK) {
         // If failed to get current position, e.g. due to audio clock is not ready, then just
         // play out video immediately without delay.
         return nowUs;
@@ -1176,6 +1215,11 @@ void NuPlayer::Renderer::onPause() {
         ALOGW("Renderer::onPause() called while already paused!");
         return;
     }
+    int64_t currentPositionUs;
+    if (getCurrentPositionFromAnchor(
+            &currentPositionUs, ALooper::GetNowUs()) == OK) {
+        mPausePositionMediaTimeUs = currentPositionUs;
+    }
     {
         Mutex::Autolock autoLock(mLock);
         ++mAudioQueueGeneration;
@@ -1303,7 +1347,7 @@ void NuPlayer::Renderer::onAudioOffloadTearDown(AudioOffloadTearDownReason reaso
     mAudioOffloadTornDown = true;
 
     int64_t currentPositionUs;
-    if (getCurrentPosition(&currentPositionUs) != OK) {
+    if (getCurrentPositionOnLooper(&currentPositionUs) != OK) {
         currentPositionUs = 0;
     }
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
index 406c64c..c6e3457 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
@@ -62,8 +62,6 @@ struct NuPlayer::Renderer : public AHandler {
 
     // Following setters and getters are protected by mTimeLock.
     status_t getCurrentPosition(int64_t *mediaUs);
-    status_t getCurrentPosition(
-            int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false);
     void setHasMedia(bool audio);
     void setAudioFirstAnchorTime(int64_t mediaUs);
     void setAudioFirstAnchorTimeIfNeeded(int64_t mediaUs);
@@ -168,7 +166,10 @@ private:
 
     bool mSyncQueues;
 
+    // modified on only renderer's thread.
     bool mPaused;
+    int64_t mPausePositionMediaTimeUs;
+
     bool mVideoSampleReceived;
     bool mVideoRenderingStarted;
     int32_t mVideoRenderingStartGeneration;
@@ -183,6 +184,12 @@ private:
     int32_t mTotalBuffersQueued;
     int32_t mLastAudioBufferDrained;
 
+    status_t getCurrentPositionOnLooper(int64_t *mediaUs);
+    status_t getCurrentPositionOnLooper(
+            int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false);
+    bool getCurrentPositionIfPaused_l(int64_t *mediaUs);
+    status_t getCurrentPositionFromAnchor(
+            int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false);
 
     size_t fillAudioBuffer(void *buffer, size_t size);