commit 3184f8e3293e8b1e4afc314e7e7ba2a24060a5df
author philipel <philipel@webrtc.org> Thu May 18 08:08:53 2017 -0700
committer Commit bot <commit-bot@chromium.org> Thu May 18 15:08:53 2017 +0000
tree a717572b4a7176a50dd9237747985adedc9e2c8e
parent 5ccdd7285c214506b58abffcf30f723c54cc3127

Dont request keyframes if the stream is inactive or if we are currently receiving a keyframe.

BUG=webrtc:7520

Review-Url: https://codereview.webrtc.org/2853503002
Cr-Commit-Position: refs/heads/master@{#18199}

webrtc/modules/video_coding/packet_buffer.cc

diff --git a/webrtc/modules/video_coding/packet_buffer.cc b/webrtc/modules/video_coding/packet_buffer.cc
index ff013e0..6c3cfac 100644
--- a/webrtc/modules/video_coding/packet_buffer.cc
+++ b/webrtc/modules/video_coding/packet_buffer.cc
@@ -59,6 +59,7 @@
   std::vector<std::unique_ptr<RtpFrameObject>> found_frames;
   {
     rtc::CritScope lock(&crit_);
+
     uint16_t seq_num = packet->seqNum;
     size_t index = seq_num % size_;
 
@@ -107,6 +108,11 @@
     data_buffer_[index] = *packet;
     packet->dataPtr = nullptr;
 
+    int64_t now_ms = clock_->TimeInMilliseconds();
+    last_received_packet_ms_ = rtc::Optional<int64_t>(now_ms);
+    if (packet->frameType == kVideoFrameKey)
+      last_received_keyframe_packet_ms_ = rtc::Optional<int64_t>(now_ms);
+
     found_frames = FindFrames(seq_num);
   }
 
@@ -143,6 +149,18 @@
 
   first_packet_received_ = false;
   is_cleared_to_first_seq_num_ = false;
+  last_received_packet_ms_ = rtc::Optional<int64_t>();
+  last_received_keyframe_packet_ms_ = rtc::Optional<int64_t>();
+}
+
+rtc::Optional<int64_t> PacketBuffer::LastReceivedPacketMs() const {
+  rtc::CritScope lock(&crit_);
+  return last_received_packet_ms_;
+}
+
+rtc::Optional<int64_t> PacketBuffer::LastReceivedKeyframePacketMs() const {
+  rtc::CritScope lock(&crit_);
+  return last_received_keyframe_packet_ms_;
 }
 
 bool PacketBuffer::ExpandBufferSize() {