Enable pause/resume for RTSP streaming

When a stream is paused, RTSP Pause is also sent to the server.
Otherwise the buffering might continue until the memory runs out.
When the stream is resumed, RTSP Play will be sent in order to
resume the buffering.

Change-Id: I5dc1761140827c532451638c3fd3f34271e5b9ab

4 files changed, 25 insertions, 0 deletions

diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index ee25cc6..30eb4b9 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -732,6 +732,7 @@ void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
         case kWhatPause:
         {
             CHECK(mRenderer != NULL);
+            mSource->pause();
             mRenderer->pause();
             break;
         }
@@ -739,6 +740,7 @@ void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
         case kWhatResume:
         {
             CHECK(mRenderer != NULL);
+            mSource->resume();
             mRenderer->resume();
             break;
         }
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index df84123..8622abe 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -54,6 +54,8 @@ struct NuPlayer::Source : public AHandler {
 
     virtual void start() = 0;
     virtual void stop() {}
+    virtual void pause() {}
+    virtual void resume() {}
 
     // Returns OK iff more data was available,
     // an error or ERROR_END_OF_STREAM if not.
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
index b70d550..a5ff0ca 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
@@ -119,6 +119,25 @@ void NuPlayer::RTSPSource::stop() {
     msg->postAndAwaitResponse(&dummy);
 }
 
+void NuPlayer::RTSPSource::pause() {
+    int64_t mediaDurationUs = 0;
+    getDuration(&mediaDurationUs);
+    for (size_t index = 0; index < mTracks.size(); index++) {
+        TrackInfo *info = &mTracks.editItemAt(index);
+        sp<AnotherPacketSource> source = info->mSource;
+
+        // Check if EOS or ERROR is received
+        if (source != NULL && source->isFinished(mediaDurationUs)) {
+            return;
+        }
+    }
+    mHandler->pause();
+}
+
+void NuPlayer::RTSPSource::resume() {
+    mHandler->resume();
+}
+
 status_t NuPlayer::RTSPSource::feedMoreTSData() {
     return mFinalResult;
 }
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.h b/media/libmediaplayerservice/nuplayer/RTSPSource.h
index 8451b9e..8cf34a0 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.h
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.h
@@ -43,6 +43,8 @@ struct NuPlayer::RTSPSource : public NuPlayer::Source {
     virtual void prepareAsync();
     virtual void start();
     virtual void stop();
+    virtual void pause();
+    virtual void resume();
 
     virtual status_t feedMoreTSData();