3 files changed, 34 insertions, 5 deletions
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index c87208c..caac70b 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -932,10 +932,21 @@ void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
                         audio ? "audio" : "video", formatChange);
 
                 if (formatChange) {
-                    mDeferredActions.push_back(
-                            new FlushDecoderAction(
+                    int32_t seamlessChange = 0;
+                    if (msg->findInt32("video-seamlessChange", &seamlessChange) && seamlessChange) {
+                        ALOGE("video decoder seamlessChange in smooth streaming mode, "
+                             "flush the video decoder");
+                        mDeferredActions.push_back(
+                                new FlushDecoderAction(FLUSH_CMD_NONE, FLUSH_CMD_FLUSH));
+                        mDeferredActions.push_back(new ResumeDecoderAction(false));
+                        processDeferredActions();
+                        break;
+                    } else {
+                        mDeferredActions.push_back(
+                                new FlushDecoderAction(
                                 audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
                                 audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN));
+                    }
                 }
 
                 mDeferredActions.push_back(
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
index c505096..a18e1da 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.cpp
@@ -73,6 +73,7 @@ NuPlayer::Decoder::Decoder(
       mIsSecure(false),
       mFormatChangePending(false),
       mTimeChangePending(false),
+      mVideoFormatChangeDoFlushOnly(false),
       mResumePending(false),
       mComponentName("decoder") {
     mCodecLooper = new ALooper;
@@ -243,6 +244,7 @@ void NuPlayer::Decoder::onConfigure(const sp<AMessage> &format) {
 
     mFormatChangePending = false;
     mTimeChangePending = false;
+    mVideoFormatChangeDoFlushOnly = false;
 
     ++mBufferGeneration;
 
@@ -759,9 +761,20 @@ status_t NuPlayer::Decoder::fetchInputData(sp<AMessage> &reply) {
                     mTimeChangePending = true;
                     err = ERROR_END_OF_STREAM;
                 } else if (seamlessFormatChange) {
-                    // reuse existing decoder and don't flush
-                    rememberCodecSpecificData(newFormat);
-                    continue;
+                    if (!mIsAudio &&
+                            newFormat != NULL &&
+                            newFormat->contains("prefer-adaptive-playback")) {
+                        ALOGV("in smooth streaming mode, "
+                             "do video flush in video seamless format change");
+                        mFormatChangePending = true;
+                        mVideoFormatChangeDoFlushOnly = true;
+                        err = ERROR_END_OF_STREAM;
+                    } else {
+                        // reuse existing decoder and don't flush
+                        rememberCodecSpecificData(newFormat);
+                        continue;
+                    }
+
                 } else {
                     // This stream is unaffected by the discontinuity
                     return -EWOULDBLOCK;
@@ -989,10 +1002,14 @@ void NuPlayer::Decoder::finishHandleDiscontinuity(bool flushOnTimeChange) {
     sp<AMessage> msg = mNotify->dup();
     msg->setInt32("what", kWhatInputDiscontinuity);
     msg->setInt32("formatChange", mFormatChangePending);
+    if (mVideoFormatChangeDoFlushOnly) {
+        msg->setInt32("video-seamlessChange", mVideoFormatChangeDoFlushOnly);
+    }
     msg->post();
 
     mFormatChangePending = false;
     mTimeChangePending = false;
+    mVideoFormatChangeDoFlushOnly = false;
 }
 
 bool NuPlayer::Decoder::supportsSeamlessAudioFormatChange(
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h
index 6e2b9d0..1fbefda 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoder.h
@@ -95,6 +95,7 @@ protected:
     bool mIsSecure;
     bool mFormatChangePending;
     bool mTimeChangePending;
+    bool mVideoFormatChangeDoFlushOnly;
 
     bool mResumePending;
     AString mComponentName;