From 97850dba0c3393126501991b8fa7431b7f130062 Mon Sep 17 00:00:00 2001
From: Santhosh Behara <santhoshbehara@codeaurora.org>
Date: Tue, 29 Sep 2015 11:24:21 +0530
Subject: httplive: Add default implementation in HLS for custom changes

Add getSeqNumberInLiveStreaming() function in PlayListFetcher

Make getBandwidthIndex() function to be virtual.

Change-Id: I5e2bc7a42e0d4a16d5b5ea5f2ec3d78a7d019ad3
---
 media/libstagefright/httplive/LiveSession.h       | 2 +-
 media/libstagefright/httplive/PlaylistFetcher.cpp | 4 +++-
 media/libstagefright/httplive/PlaylistFetcher.h   | 1 +
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/media/libstagefright/httplive/LiveSession.h b/media/libstagefright/httplive/LiveSession.h
index 4667c71..0d504e4 100644
--- a/media/libstagefright/httplive/LiveSession.h
+++ b/media/libstagefright/httplive/LiveSession.h
@@ -276,7 +276,7 @@ protected:
     float getAbortThreshold(
             ssize_t currentBWIndex, ssize_t targetBWIndex) const;
     void addBandwidthMeasurement(size_t numBytes, int64_t delayUs);
-    size_t getBandwidthIndex(int32_t bandwidthBps);
+    virtual size_t getBandwidthIndex(int32_t bandwidthBps);
     ssize_t getLowestValidBandwidthIndex() const;
     HLSTime latestMediaSegmentStartTime() const;
 
diff --git a/media/libstagefright/httplive/PlaylistFetcher.cpp b/media/libstagefright/httplive/PlaylistFetcher.cpp
index 5ad29c3..023de93 100644
--- a/media/libstagefright/httplive/PlaylistFetcher.cpp
+++ b/media/libstagefright/httplive/PlaylistFetcher.cpp
@@ -975,7 +975,9 @@ bool PlaylistFetcher::initDownloadState(
         if (mSegmentStartTimeUs < 0) {
             if (!mPlaylist->isComplete() && !mPlaylist->isEvent()) {
                 // If this is a live session, start 3 segments from the end on connect
-                mSeqNumber = lastSeqNumberInPlaylist - 3;
+                if (!getSeqNumberInLiveStreaming()) {
+                    mSeqNumber = lastSeqNumberInPlaylist - 3;
+                }
                 if (mSeqNumber < firstSeqNumberInPlaylist) {
                     mSeqNumber = firstSeqNumberInPlaylist;
                 }
diff --git a/media/libstagefright/httplive/PlaylistFetcher.h b/media/libstagefright/httplive/PlaylistFetcher.h
index 74cc0dd..6b60b65 100644
--- a/media/libstagefright/httplive/PlaylistFetcher.h
+++ b/media/libstagefright/httplive/PlaylistFetcher.h
@@ -249,6 +249,7 @@ protected:
     void updateDuration();
     void updateTargetDuration();
     virtual bool checkSwitchBandwidth() { return false; }
+    virtual bool getSeqNumberInLiveStreaming() { return false; }
 
     DISALLOW_EVIL_CONSTRUCTORS(PlaylistFetcher);
 };
-- 
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