From 0c3f0fa983107a8b5a4d6274179d15333fde8d3c Mon Sep 17 00:00:00 2001
From: Andreas Huber <andih@google.com>
Date: Wed, 6 Feb 2013 10:44:39 -0800
Subject: HLS now properly publishes its "seekable" flags after connection

has successfully completed and a sufficient amount of data fetched,
and only then signals that preparation is completed.

Change-Id: I7684a14238b826909f518f2af506966e522dfcfc
---
 .../nuplayer/HTTPLiveSource.cpp                    | 74 +++++++++++++++++-----
 .../nuplayer/HTTPLiveSource.h                      |  8 +++
 2 files changed, 65 insertions(+), 17 deletions(-)

(limited to 'media/libmediaplayerservice/nuplayer')

diff --git a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
index ae67906..655ee55 100644
--- a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.cpp
@@ -71,7 +71,10 @@ void NuPlayer::HTTPLiveSource::prepareAsync() {
     mLiveLooper->setName("http live");
     mLiveLooper->start();
 
+    sp<AMessage> notify = new AMessage(kWhatSessionNotify, id());
+
     mLiveSession = new LiveSession(
+            notify,
             (mFlags & kFlagIncognito) ? LiveSession::kFlagIncognito : 0,
             mUIDValid, mUID);
 
@@ -81,23 +84,6 @@ void NuPlayer::HTTPLiveSource::prepareAsync() {
             mURL.c_str(), mExtraHeaders.isEmpty() ? NULL : &mExtraHeaders);
 
     mTSParser = new ATSParser;
-
-    notifyVideoSizeChanged(0, 0);
-
-    uint32_t flags = FLAG_CAN_PAUSE;
-    if (mLiveSession->isSeekable()) {
-        flags |= FLAG_CAN_SEEK;
-        flags |= FLAG_CAN_SEEK_BACKWARD;
-        flags |= FLAG_CAN_SEEK_FORWARD;
-    }
-
-    if (mLiveSession->hasDynamicDuration()) {
-        flags |= FLAG_DYNAMIC_DURATION;
-    }
-
-    notifyFlagsChanged(flags);
-
-    notifyPrepared();
 }
 
 void NuPlayer::HTTPLiveSource::start() {
@@ -214,5 +200,59 @@ status_t NuPlayer::HTTPLiveSource::seekTo(int64_t seekTimeUs) {
     return OK;
 }
 
+void NuPlayer::HTTPLiveSource::onMessageReceived(const sp<AMessage> &msg) {
+    switch (msg->what()) {
+        case kWhatSessionNotify:
+        {
+            onSessionNotify(msg);
+            break;
+        }
+
+        default:
+            Source::onMessageReceived(msg);
+            break;
+    }
+}
+
+void NuPlayer::HTTPLiveSource::onSessionNotify(const sp<AMessage> &msg) {
+    int32_t what;
+    CHECK(msg->findInt32("what", &what));
+
+    switch (what) {
+        case LiveSession::kWhatPrepared:
+        {
+            notifyVideoSizeChanged(0, 0);
+
+            uint32_t flags = FLAG_CAN_PAUSE;
+            if (mLiveSession->isSeekable()) {
+                flags |= FLAG_CAN_SEEK;
+                flags |= FLAG_CAN_SEEK_BACKWARD;
+                flags |= FLAG_CAN_SEEK_FORWARD;
+            }
+
+            if (mLiveSession->hasDynamicDuration()) {
+                flags |= FLAG_DYNAMIC_DURATION;
+            }
+
+            notifyFlagsChanged(flags);
+
+            notifyPrepared();
+            break;
+        }
+
+        case LiveSession::kWhatPreparationFailed:
+        {
+            status_t err;
+            CHECK(msg->findInt32("err", &err));
+
+            notifyPrepared(err);
+            break;
+        }
+
+        default:
+            TRESPASS();
+    }
+}
+
 }  // namespace android
 
diff --git a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h
index 269f3c0..067d1da 100644
--- a/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h
+++ b/media/libmediaplayerservice/nuplayer/HTTPLiveSource.h
@@ -49,12 +49,18 @@ protected:
 
     virtual sp<MetaData> getFormatMeta(bool audio);
 
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+
 private:
     enum Flags {
         // Don't log any URLs.
         kFlagIncognito = 1,
     };
 
+    enum {
+        kWhatSessionNotify,
+    };
+
     AString mURL;
     KeyedVector<String8, String8> mExtraHeaders;
     bool mUIDValid;
@@ -66,6 +72,8 @@ private:
     sp<LiveSession> mLiveSession;
     sp<ATSParser> mTSParser;
 
+    void onSessionNotify(const sp<AMessage> &msg);
+
     DISALLOW_EVIL_CONSTRUCTORS(HTTPLiveSource);
 };
 
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