Packet buffer for the new jitter buffer.

BUG=webrtc:5514
R=stefan@webrtc.org, mflodman@webrtc.org

Review URL: https://codereview.webrtc.org/1772383002

Cr-Commit-Position: refs/heads/master@{#12194}
diff --git a/webrtc/modules/video_coding/frame_object.cc b/webrtc/modules/video_coding/frame_object.cc
new file mode 100644
index 0000000..363c8a7
--- /dev/null
+++ b/webrtc/modules/video_coding/frame_object.cc
@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/modules/video_coding/frame_object.h"
+#include "webrtc/base/criticalsection.h"
+#include "webrtc/modules/video_coding/packet_buffer.h"
+
+namespace webrtc {
+namespace video_coding {
+
+RtpFrameObject::RtpFrameObject(PacketBuffer* packet_buffer,
+                               uint16_t picture_id,
+                               uint16_t first_packet,
+                               uint16_t last_packet)
+    : packet_buffer_(packet_buffer),
+      first_packet_(first_packet),
+      last_packet_(last_packet) {}
+
+RtpFrameObject::~RtpFrameObject() {
+  packet_buffer_->ReturnFrame(this);
+}
+
+uint16_t RtpFrameObject::first_packet() const {
+  return first_packet_;
+}
+
+uint16_t RtpFrameObject::last_packet() const {
+  return last_packet_;
+}
+
+uint16_t RtpFrameObject::picture_id() const {
+  return picture_id_;
+}
+
+bool RtpFrameObject::GetBitstream(uint8_t* destination) const {
+  return packet_buffer_->GetBitstream(*this, destination);
+}
+
+}  // namespace video_coding
+}  // namespace webrtc