src/media/cast/net/rtp/frame_buffer_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/cast/net/rtp/frame_buffer.h"
   6 #include "media/cast/net/cast_transport_defines.h"
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace media {
  10 namespace cast {
  11
  12 class FrameBufferTest : public ::testing::Test {
  13  protected:
  14   FrameBufferTest() {
  15     payload_.assign(kMaxIpPacketSize, 0);
  16   }
  17
  18   virtual ~FrameBufferTest() {}
  19
  20   FrameBuffer buffer_;
  21   std::vector<uint8> payload_;
  22   RtpCastHeader rtp_header_;
  23
  24   DISALLOW_COPY_AND_ASSIGN(FrameBufferTest);
  25 };
  26
  27 TEST_F(FrameBufferTest, OnePacketInsertSanity) {
  28   rtp_header_.rtp_timestamp = 3000;
  29   rtp_header_.is_key_frame = true;
  30   rtp_header_.frame_id = 5;
  31   rtp_header_.reference_frame_id = 5;
  32   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  33   EncodedFrame frame;
  34   EXPECT_TRUE(buffer_.AssembleEncodedFrame(&frame));
  35   EXPECT_EQ(EncodedFrame::KEY, frame.dependency);
  36   EXPECT_EQ(5u, frame.frame_id);
  37   EXPECT_EQ(5u, frame.referenced_frame_id);
  38   EXPECT_EQ(3000u, frame.rtp_timestamp);
  39 }
  40
  41 TEST_F(FrameBufferTest, EmptyBuffer) {
  42   EXPECT_FALSE(buffer_.Complete());
  43   EncodedFrame frame;
  44   EXPECT_FALSE(buffer_.AssembleEncodedFrame(&frame));
  45 }
  46
  47 TEST_F(FrameBufferTest, DefaultOnePacketFrame) {
  48   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  49   EXPECT_TRUE(buffer_.Complete());
  50   EXPECT_FALSE(buffer_.is_key_frame());
  51   EncodedFrame frame;
  52   EXPECT_TRUE(buffer_.AssembleEncodedFrame(&frame));
  53   EXPECT_EQ(payload_.size(), frame.data.size());
  54 }
  55
  56 TEST_F(FrameBufferTest, MultiplePacketFrame) {
  57   rtp_header_.is_key_frame = true;
  58   rtp_header_.max_packet_id = 2;
  59   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  60   ++rtp_header_.packet_id;
  61   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  62   ++rtp_header_.packet_id;
  63   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  64   ++rtp_header_.packet_id;
  65   EXPECT_TRUE(buffer_.Complete());
  66   EXPECT_TRUE(buffer_.is_key_frame());
  67   EncodedFrame frame;
  68   EXPECT_TRUE(buffer_.AssembleEncodedFrame(&frame));
  69   EXPECT_EQ(3 * payload_.size(), frame.data.size());
  70 }
  71
  72 TEST_F(FrameBufferTest, IncompleteFrame) {
  73   rtp_header_.max_packet_id = 4;
  74   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  75   ++rtp_header_.packet_id;
  76   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  77   ++rtp_header_.packet_id;
  78   // Increment again - skip packet #2.
  79   ++rtp_header_.packet_id;
  80   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  81   ++rtp_header_.packet_id;
  82   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  83   EXPECT_FALSE(buffer_.Complete());
  84   // Insert missing packet.
  85   rtp_header_.packet_id = 2;
  86   buffer_.InsertPacket(&payload_[0], payload_.size(), rtp_header_);
  87   EXPECT_TRUE(buffer_.Complete());
  88 }
  89
  90 }  // namespace media
  91 }  // namespace cast