From ea71440aec38979cd72f691bb0565ccd4d6553e4 Mon Sep 17 00:00:00 2001
From: "mikhal@webrtc.org"
 <mikhal@webrtc.org@4adac7df-926f-26a2-2b94-8c16560cd09d>
Date: Mon, 12 Dec 2011 02:29:34 +0000
Subject: [PATCH] video_coding: Adding the non reference flag to the receive
 side logic. Review URL: http://webrtc-codereview.appspot.com/323005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1157 4adac7df-926f-26a2-2b94-8c16560cd09d
---
 src/modules/video_coding/main/source/frame_buffer.cc | 4 ++++
 src/modules/video_coding/main/source/frame_buffer.h  | 1 +
 src/modules/video_coding/main/source/session_info.cc | 6 ++++++
 src/modules/video_coding/main/source/session_info.h  | 1 +
 4 files changed, 12 insertions(+)

diff --git a/src/modules/video_coding/main/source/frame_buffer.cc b/src/modules/video_coding/main/source/frame_buffer.cc
index 82dbe21818..153c635760 100644
--- a/src/modules/video_coding/main/source/frame_buffer.cc
+++ b/src/modules/video_coding/main/source/frame_buffer.cc
@@ -80,6 +80,10 @@ int VCMFrameBuffer::Tl0PicId() const {
   return _sessionInfo.Tl0PicId();
 }
 
+bool VCMFrameBuffer::NonReference() const {
+  return _sessionInfo.NonReference();
+}
+
 bool
 VCMFrameBuffer::IsSessionComplete() const
 {
diff --git a/src/modules/video_coding/main/source/frame_buffer.h b/src/modules/video_coding/main/source/frame_buffer.h
index d7bde65917..f74ac9d628 100644
--- a/src/modules/video_coding/main/source/frame_buffer.h
+++ b/src/modules/video_coding/main/source/frame_buffer.h
@@ -59,6 +59,7 @@ public:
     int PictureId() const;
     int TemporalId() const;
     int Tl0PicId() const;
+    bool NonReference() const;
 
     // Set counted status (as counted by JB or not)
     void SetCountedFrame(bool frameCounted);
diff --git a/src/modules/video_coding/main/source/session_info.cc b/src/modules/video_coding/main/source/session_info.cc
index 569cb7a7bb..be6ef6636a 100644
--- a/src/modules/video_coding/main/source/session_info.cc
+++ b/src/modules/video_coding/main/source/session_info.cc
@@ -73,6 +73,12 @@ int VCMSessionInfo::Tl0PicId() const {
   return _packets[0].codecSpecificHeader.codecHeader.VP8.tl0PicIdx;
 }
 
+bool VCMSessionInfo::NonReference() const {
+  if (_lowSeqNum == -1 || _packets[0].codecSpecificHeader.codec != kRTPVideoVP8)
+    return false;
+  return _packets[0].codecSpecificHeader.codecHeader.VP8.nonReference;
+}
+
 void
 VCMSessionInfo::Reset() {
   for (int i = 0; i <= _highestPacketIndex; ++i)
diff --git a/src/modules/video_coding/main/source/session_info.h b/src/modules/video_coding/main/source/session_info.h
index 11805791bd..05bdcc6aa2 100644
--- a/src/modules/video_coding/main/source/session_info.h
+++ b/src/modules/video_coding/main/source/session_info.h
@@ -79,6 +79,7 @@ public:
     int PictureId() const;
     int TemporalId() const;
     int Tl0PicId() const;
+    bool NonReference() const;
 
     WebRtc_UWord32 PrepareForDecode(WebRtc_UWord8* ptrStartOfLayer,
                                     VideoCodecType codec);