src/media/cast/framer/frame_buffer_unittest.cc

   1 // Copyright 2013 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/framer/frame_buffer.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 namespace media {
   9 namespace cast {
  10
  11 class FrameBufferTest : public ::testing::Test {
  12  protected:
  13   FrameBufferTest() {
  14     payload_.assign(kMaxIpPacketSize, 0);
  15   }
  16
  17   virtual ~FrameBufferTest() {}
  18
  19   FrameBuffer buffer_;
  20   std::vector<uint8> payload_;
  21   RtpCastHeader rtp_header_;
  22
  23   DISALLOW_COPY_AND_ASSIGN(FrameBufferTest);
  24 };
  25
  26 TEST_F(FrameBufferTest, OnePacketInsertSanity) {
  27   rtp_header_.rtp_timestamp = 3000;
  28   rtp_header_.is_key_frame = true;
  29   rtp_header_.frame_id = 5;
  30   rtp_header_.reference_frame_id = 5;
  31   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  32   transport::EncodedFrame frame;
  33   EXPECT_TRUE(buffer_.AssembleEncodedFrame(&frame));
  34   EXPECT_EQ(transport::EncodedFrame::KEY, frame.dependency);
  35   EXPECT_EQ(5u, frame.frame_id);
  36   EXPECT_EQ(5u, frame.referenced_frame_id);
  37   EXPECT_EQ(3000u, frame.rtp_timestamp);
  38 }
  39
  40 TEST_F(FrameBufferTest, EmptyBuffer) {
  41   EXPECT_FALSE(buffer_.Complete());
  42   transport::EncodedFrame frame;
  43   EXPECT_FALSE(buffer_.AssembleEncodedFrame(&frame));
  44 }
  45
  46 TEST_F(FrameBufferTest, DefaultOnePacketFrame) {
  47   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  48   EXPECT_TRUE(buffer_.Complete());
  49   EXPECT_FALSE(buffer_.is_key_frame());
  50   transport::EncodedFrame frame;
  51   EXPECT_TRUE(buffer_.AssembleEncodedFrame(&frame));
  52   EXPECT_EQ(payload_.size(), frame.data.size());
  53 }
  54
  55 TEST_F(FrameBufferTest, MultiplePacketFrame) {
  56   rtp_header_.is_key_frame = true;
  57   rtp_header_.max_packet_id = 2;
  58   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  59   ++rtp_header_.packet_id;
  60   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  61   ++rtp_header_.packet_id;
  62   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  63   ++rtp_header_.packet_id;
  64   EXPECT_TRUE(buffer_.Complete());
  65   EXPECT_TRUE(buffer_.is_key_frame());
  66   transport::EncodedFrame frame;
  67   EXPECT_TRUE(buffer_.AssembleEncodedFrame(&frame));
  68   EXPECT_EQ(3 * payload_.size(), frame.data.size());
  69 }
  70
  71 TEST_F(FrameBufferTest, IncompleteFrame) {
  72   rtp_header_.max_packet_id = 4;
  73   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  74   ++rtp_header_.packet_id;
  75   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  76   ++rtp_header_.packet_id;
  77   // Increment again - skip packet #2.
  78   ++rtp_header_.packet_id;
  79   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  80   ++rtp_header_.packet_id;
  81   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  82   EXPECT_FALSE(buffer_.Complete());
  83   // Insert missing packet.
  84   rtp_header_.packet_id = 2;
  85   buffer_.InsertPacket(payload_.data(), payload_.size(), rtp_header_);
  86   EXPECT_TRUE(buffer_.Complete());
  87 }
  88
  89 }  // namespace media
  90 }  // namespace cast