2c9f9f2bc9
In the case of H264 we can't know which packet that is the fist packet of a frame. In order to avoid creating incomplete frames we keep track of which packets that we haven't received, and if there is a gap in the packet sequence number leading up to this frame then a frame wont be created. BUG=chromium:716558 Review-Url: https://codereview.webrtc.org/2926083002 Cr-Commit-Position: refs/heads/master@{#18559}
589 lines
20 KiB
C++
589 lines
20 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <cstring>
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#include <map>
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#include <set>
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#include <utility>
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#include "webrtc/base/random.h"
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#include "webrtc/common_video/h264/h264_common.h"
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#include "webrtc/modules/video_coding/frame_object.h"
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#include "webrtc/modules/video_coding/packet_buffer.h"
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#include "webrtc/system_wrappers/include/clock.h"
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#include "webrtc/test/gtest.h"
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namespace webrtc {
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namespace video_coding {
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class TestPacketBuffer : public ::testing::Test,
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public OnReceivedFrameCallback {
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protected:
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TestPacketBuffer()
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: rand_(0x7732213),
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clock_(new SimulatedClock(0)),
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packet_buffer_(
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PacketBuffer::Create(clock_.get(), kStartSize, kMaxSize, this)) {}
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uint16_t Rand() { return rand_.Rand<uint16_t>(); }
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void OnReceivedFrame(std::unique_ptr<RtpFrameObject> frame) override {
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uint16_t first_seq_num = frame->first_seq_num();
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if (frames_from_callback_.find(first_seq_num) !=
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frames_from_callback_.end()) {
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ADD_FAILURE() << "Already received frame with first sequence number "
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<< first_seq_num << ".";
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return;
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}
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frames_from_callback_.insert(
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std::make_pair(frame->first_seq_num(), std::move(frame)));
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}
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enum IsKeyFrame { kKeyFrame, kDeltaFrame };
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enum IsFirst { kFirst, kNotFirst };
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enum IsLast { kLast, kNotLast };
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bool Insert(uint16_t seq_num, // packet sequence number
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IsKeyFrame keyframe, // is keyframe
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IsFirst first, // is first packet of frame
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IsLast last, // is last packet of frame
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int data_size = 0, // size of data
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uint8_t* data = nullptr) { // data pointer
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VCMPacket packet;
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packet.codec = kVideoCodecGeneric;
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packet.seqNum = seq_num;
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packet.frameType =
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keyframe == kKeyFrame ? kVideoFrameKey : kVideoFrameDelta;
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packet.is_first_packet_in_frame = first == kFirst;
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packet.markerBit = last == kLast;
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packet.sizeBytes = data_size;
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packet.dataPtr = data;
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return packet_buffer_->InsertPacket(&packet);
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}
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bool InsertH264(uint16_t seq_num, // packet sequence number
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IsKeyFrame keyframe, // is keyframe
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IsFirst first, // is first packet of frame
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IsLast last, // is last packet of frame
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uint32_t timestamp, // rtp timestamp
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int data_size = 0, // size of data
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uint8_t* data = nullptr) { // data pointer
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VCMPacket packet;
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packet.codec = kVideoCodecH264;
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packet.seqNum = seq_num;
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packet.timestamp = timestamp;
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packet.video_header.codecHeader.H264.nalus[0].type = H264::NaluType::kIdr;
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packet.video_header.codecHeader.H264.nalus_length = keyframe == kKeyFrame;
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packet.is_first_packet_in_frame = first == kFirst;
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packet.markerBit = last == kLast;
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packet.sizeBytes = data_size;
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packet.dataPtr = data;
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return packet_buffer_->InsertPacket(&packet);
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}
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void CheckFrame(uint16_t first_seq_num) {
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auto frame_it = frames_from_callback_.find(first_seq_num);
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ASSERT_FALSE(frame_it == frames_from_callback_.end())
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<< "Could not find frame with first sequence number " << first_seq_num
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<< ".";
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}
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const int kStartSize = 16;
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const int kMaxSize = 64;
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Random rand_;
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std::unique_ptr<SimulatedClock> clock_;
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rtc::scoped_refptr<PacketBuffer> packet_buffer_;
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std::map<uint16_t, std::unique_ptr<RtpFrameObject>> frames_from_callback_;
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};
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TEST_F(TestPacketBuffer, InsertOnePacket) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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}
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TEST_F(TestPacketBuffer, InsertMultiplePackets) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 2, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 3, kKeyFrame, kFirst, kLast));
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}
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TEST_F(TestPacketBuffer, InsertDuplicatePacket) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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}
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TEST_F(TestPacketBuffer, SeqNumWrapOneFrame) {
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EXPECT_TRUE(Insert(0xFFFF, kKeyFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(0x0, kKeyFrame, kNotFirst, kLast));
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CheckFrame(0xFFFF);
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}
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TEST_F(TestPacketBuffer, SeqNumWrapTwoFrames) {
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EXPECT_TRUE(Insert(0xFFFF, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(0x0, kKeyFrame, kFirst, kLast));
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CheckFrame(0xFFFF);
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CheckFrame(0x0);
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}
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TEST_F(TestPacketBuffer, InsertOldPackets) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kLast));
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ASSERT_EQ(2UL, frames_from_callback_.size());
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frames_from_callback_.erase(seq_num + 2);
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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ASSERT_EQ(1UL, frames_from_callback_.size());
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frames_from_callback_.erase(frames_from_callback_.find(seq_num));
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ASSERT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
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packet_buffer_->ClearTo(seq_num + 2);
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EXPECT_FALSE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 3, kDeltaFrame, kFirst, kLast));
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ASSERT_EQ(2UL, frames_from_callback_.size());
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}
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TEST_F(TestPacketBuffer, NackCount) {
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const uint16_t seq_num = Rand();
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VCMPacket packet;
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packet.codec = kVideoCodecGeneric;
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packet.seqNum = seq_num;
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packet.frameType = kVideoFrameKey;
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packet.is_first_packet_in_frame = true;
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packet.markerBit = false;
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packet.timesNacked = 0;
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packet_buffer_->InsertPacket(&packet);
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packet.seqNum++;
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packet.is_first_packet_in_frame = false;
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packet.timesNacked = 1;
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packet_buffer_->InsertPacket(&packet);
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packet.seqNum++;
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packet.timesNacked = 3;
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packet_buffer_->InsertPacket(&packet);
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packet.seqNum++;
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packet.markerBit = true;
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packet.timesNacked = 1;
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packet_buffer_->InsertPacket(&packet);
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ASSERT_EQ(1UL, frames_from_callback_.size());
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RtpFrameObject* frame = frames_from_callback_.begin()->second.get();
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EXPECT_EQ(3, frame->times_nacked());
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}
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TEST_F(TestPacketBuffer, FrameSize) {
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const uint16_t seq_num = Rand();
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uint8_t* data1 = new uint8_t[5]();
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uint8_t* data2 = new uint8_t[5]();
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uint8_t* data3 = new uint8_t[5]();
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uint8_t* data4 = new uint8_t[5]();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast, 5, data1));
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EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kNotLast, 5, data2));
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EXPECT_TRUE(Insert(seq_num + 2, kKeyFrame, kNotFirst, kNotLast, 5, data3));
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EXPECT_TRUE(Insert(seq_num + 3, kKeyFrame, kNotFirst, kLast, 5, data4));
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ASSERT_EQ(1UL, frames_from_callback_.size());
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EXPECT_EQ(20UL, frames_from_callback_.begin()->second->size());
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}
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TEST_F(TestPacketBuffer, ExpandBuffer) {
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const uint16_t seq_num = Rand();
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for (int i = 0; i < kStartSize + 1; ++i) {
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EXPECT_TRUE(Insert(seq_num + i, kKeyFrame, kFirst, kLast));
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}
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}
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TEST_F(TestPacketBuffer, SingleFrameExpandsBuffer) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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for (int i = 1; i < kStartSize; ++i)
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EXPECT_TRUE(Insert(seq_num + i, kKeyFrame, kNotFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + kStartSize, kKeyFrame, kNotFirst, kLast));
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ASSERT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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}
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TEST_F(TestPacketBuffer, ExpandBufferOverflow) {
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const uint16_t seq_num = Rand();
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for (int i = 0; i < kMaxSize; ++i)
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EXPECT_TRUE(Insert(seq_num + i, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + kMaxSize + 1, kKeyFrame, kFirst, kLast));
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}
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TEST_F(TestPacketBuffer, OnePacketOneFrame) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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ASSERT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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}
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TEST_F(TestPacketBuffer, TwoPacketsTwoFrames) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kFirst, kLast));
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EXPECT_EQ(2UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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CheckFrame(seq_num + 1);
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}
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TEST_F(TestPacketBuffer, TwoPacketsOneFrames) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kLast));
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EXPECT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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}
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TEST_F(TestPacketBuffer, ThreePacketReorderingOneFrame) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 2, kKeyFrame, kNotFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kNotLast));
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EXPECT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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}
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TEST_F(TestPacketBuffer, Frames) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 3, kDeltaFrame, kFirst, kLast));
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ASSERT_EQ(4UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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CheckFrame(seq_num + 1);
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CheckFrame(seq_num + 2);
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CheckFrame(seq_num + 3);
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}
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TEST_F(TestPacketBuffer, ClearSinglePacket) {
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const uint16_t seq_num = Rand();
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for (int i = 0; i < kMaxSize; ++i)
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EXPECT_TRUE(Insert(seq_num + i, kDeltaFrame, kFirst, kLast));
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packet_buffer_->ClearTo(seq_num);
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EXPECT_TRUE(Insert(seq_num + kMaxSize, kDeltaFrame, kFirst, kLast));
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}
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TEST_F(TestPacketBuffer, OneIncompleteFrame) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kDeltaFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kLast));
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EXPECT_TRUE(Insert(seq_num - 1, kDeltaFrame, kNotFirst, kLast));
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ASSERT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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}
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TEST_F(TestPacketBuffer, TwoIncompleteFramesFullBuffer) {
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const uint16_t seq_num = Rand();
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for (int i = 1; i < kMaxSize - 1; ++i)
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EXPECT_TRUE(Insert(seq_num + i, kDeltaFrame, kNotFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num, kDeltaFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num - 1, kDeltaFrame, kNotFirst, kLast));
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ASSERT_EQ(0UL, frames_from_callback_.size());
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}
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TEST_F(TestPacketBuffer, FramesReordered) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 3, kDeltaFrame, kFirst, kLast));
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EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
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ASSERT_EQ(4UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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CheckFrame(seq_num + 1);
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CheckFrame(seq_num + 2);
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CheckFrame(seq_num + 3);
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}
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TEST_F(TestPacketBuffer, GetBitstream) {
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// "many bitstream, such data" with null termination.
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uint8_t many_data[] = {0x6d, 0x61, 0x6e, 0x79, 0x20};
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uint8_t bitstream_data[] = {0x62, 0x69, 0x74, 0x73, 0x74, 0x72,
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0x65, 0x61, 0x6d, 0x2c, 0x20};
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uint8_t such_data[] = {0x73, 0x75, 0x63, 0x68, 0x20};
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uint8_t data_data[] = {0x64, 0x61, 0x74, 0x61, 0x0};
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uint8_t* many = new uint8_t[sizeof(many_data)];
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uint8_t* bitstream = new uint8_t[sizeof(bitstream_data)];
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uint8_t* such = new uint8_t[sizeof(such_data)];
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uint8_t* data = new uint8_t[sizeof(data_data)];
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memcpy(many, many_data, sizeof(many_data));
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memcpy(bitstream, bitstream_data, sizeof(bitstream_data));
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memcpy(such, such_data, sizeof(such_data));
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memcpy(data, data_data, sizeof(data_data));
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uint8_t result[sizeof(many_data) + sizeof(bitstream_data) +
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sizeof(such_data) + sizeof(data_data)];
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(
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Insert(seq_num, kKeyFrame, kFirst, kNotLast, sizeof(many_data), many));
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EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast,
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sizeof(bitstream_data), bitstream));
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EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kNotFirst, kNotLast,
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sizeof(such_data), such));
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EXPECT_TRUE(Insert(seq_num + 3, kDeltaFrame, kNotFirst, kLast,
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sizeof(data_data), data));
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ASSERT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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EXPECT_TRUE(frames_from_callback_[seq_num]->GetBitstream(result));
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EXPECT_EQ(memcmp(result, "many bitstream, such data", sizeof(result)), 0);
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}
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TEST_F(TestPacketBuffer, GetBitstreamH264BufferPadding) {
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uint16_t seq_num = Rand();
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uint8_t data_data[] = "some plain old data";
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uint8_t* data = new uint8_t[sizeof(data_data)];
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memcpy(data, data_data, sizeof(data_data));
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// EncodedImage::kBufferPaddingBytesH264 is unknown at compile time.
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std::unique_ptr<uint8_t[]> result(
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new uint8_t[sizeof(data_data) + EncodedImage::kBufferPaddingBytesH264]);
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VCMPacket packet;
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packet.video_header.codecHeader.H264.nalus_length = 1;
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packet.video_header.codecHeader.H264.nalus[0].type = H264::NaluType::kIdr;
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packet.seqNum = seq_num;
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packet.codec = kVideoCodecH264;
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packet.insertStartCode = true;
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packet.video_header.codecHeader.H264.packetization_type = kH264SingleNalu;
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packet.dataPtr = data;
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packet.sizeBytes = sizeof(data_data);
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packet.is_first_packet_in_frame = true;
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packet.markerBit = true;
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packet_buffer_->InsertPacket(&packet);
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ASSERT_EQ(1UL, frames_from_callback_.size());
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EXPECT_EQ(frames_from_callback_[seq_num]->EncodedImage()._length,
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sizeof(data_data));
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EXPECT_EQ(frames_from_callback_[seq_num]->EncodedImage()._size,
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sizeof(data_data) + EncodedImage::kBufferPaddingBytesH264);
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EXPECT_TRUE(frames_from_callback_[seq_num]->GetBitstream(result.get()));
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EXPECT_EQ(memcmp(result.get(), data, sizeof(data_data)), 0);
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}
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TEST_F(TestPacketBuffer, FreeSlotsOnFrameDestruction) {
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const uint16_t seq_num = Rand();
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kNotFirst, kLast));
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EXPECT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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frames_from_callback_.clear();
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// Insert frame that fills the whole buffer.
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EXPECT_TRUE(Insert(seq_num + 3, kKeyFrame, kFirst, kNotLast));
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for (int i = 0; i < kMaxSize - 2; ++i)
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EXPECT_TRUE(Insert(seq_num + i + 4, kDeltaFrame, kNotFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + kMaxSize + 2, kKeyFrame, kNotFirst, kLast));
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EXPECT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num + 3);
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}
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TEST_F(TestPacketBuffer, Clear) {
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const uint16_t seq_num = Rand();
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|
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kNotFirst, kLast));
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EXPECT_EQ(1UL, frames_from_callback_.size());
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CheckFrame(seq_num);
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|
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packet_buffer_->Clear();
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|
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EXPECT_TRUE(Insert(seq_num + kStartSize, kKeyFrame, kFirst, kNotLast));
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|
EXPECT_TRUE(
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Insert(seq_num + kStartSize + 1, kDeltaFrame, kNotFirst, kNotLast));
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EXPECT_TRUE(Insert(seq_num + kStartSize + 2, kDeltaFrame, kNotFirst, kLast));
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EXPECT_EQ(2UL, frames_from_callback_.size());
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CheckFrame(seq_num + kStartSize);
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|
}
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|
|
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TEST_F(TestPacketBuffer, InvalidateFrameByClearing) {
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const uint16_t seq_num = Rand();
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|
|
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EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
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ASSERT_EQ(1UL, frames_from_callback_.size());
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|
|
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packet_buffer_->Clear();
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EXPECT_FALSE(frames_from_callback_.begin()->second->GetBitstream(nullptr));
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}
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|
|
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TEST_F(TestPacketBuffer, FramesAfterClear) {
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Insert(9025, kDeltaFrame, kFirst, kLast);
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Insert(9024, kKeyFrame, kFirst, kLast);
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packet_buffer_->ClearTo(9025);
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Insert(9057, kDeltaFrame, kFirst, kLast);
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Insert(9026, kDeltaFrame, kFirst, kLast);
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|
|
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CheckFrame(9024);
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CheckFrame(9025);
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CheckFrame(9026);
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CheckFrame(9057);
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}
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|
|
|
TEST_F(TestPacketBuffer, DontLeakPayloadData) {
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|
// NOTE! Any eventual leak is suppose to be detected by valgrind
|
|
// or any other similar tool.
|
|
uint8_t* data1 = new uint8_t[5];
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uint8_t* data2 = new uint8_t[5];
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uint8_t* data3 = new uint8_t[5];
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|
uint8_t* data4 = new uint8_t[5];
|
|
|
|
// Expected to free data1 upon PacketBuffer destruction.
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|
EXPECT_TRUE(Insert(2, kKeyFrame, kFirst, kNotLast, 5, data1));
|
|
|
|
// Expect to free data2 upon insertion.
|
|
EXPECT_TRUE(Insert(2, kKeyFrame, kFirst, kNotLast, 5, data2));
|
|
|
|
// Expect to free data3 upon insertion (old packet).
|
|
packet_buffer_->ClearTo(1);
|
|
EXPECT_FALSE(Insert(1, kKeyFrame, kFirst, kNotLast, 5, data3));
|
|
|
|
// Expect to free data4 upon insertion (packet buffer is full).
|
|
EXPECT_TRUE(Insert(2 + kMaxSize, kKeyFrame, kFirst, kNotLast, 5, data4));
|
|
}
|
|
|
|
TEST_F(TestPacketBuffer, ContinuousSeqNumDoubleMarkerBit) {
|
|
Insert(2, kKeyFrame, kNotFirst, kNotLast);
|
|
Insert(1, kKeyFrame, kFirst, kLast);
|
|
frames_from_callback_.clear();
|
|
Insert(3, kKeyFrame, kNotFirst, kLast);
|
|
|
|
EXPECT_EQ(0UL, frames_from_callback_.size());
|
|
}
|
|
|
|
TEST_F(TestPacketBuffer, PacketTimestamps) {
|
|
rtc::Optional<int64_t> packet_ms;
|
|
rtc::Optional<int64_t> packet_keyframe_ms;
|
|
|
|
packet_ms = packet_buffer_->LastReceivedPacketMs();
|
|
packet_keyframe_ms = packet_buffer_->LastReceivedKeyframePacketMs();
|
|
EXPECT_FALSE(packet_ms);
|
|
EXPECT_FALSE(packet_keyframe_ms);
|
|
|
|
int64_t keyframe_ms = clock_->TimeInMilliseconds();
|
|
EXPECT_TRUE(Insert(100, kKeyFrame, kFirst, kLast));
|
|
packet_ms = packet_buffer_->LastReceivedPacketMs();
|
|
packet_keyframe_ms = packet_buffer_->LastReceivedKeyframePacketMs();
|
|
EXPECT_TRUE(packet_ms);
|
|
EXPECT_TRUE(packet_keyframe_ms);
|
|
EXPECT_EQ(keyframe_ms, *packet_ms);
|
|
EXPECT_EQ(keyframe_ms, *packet_keyframe_ms);
|
|
|
|
clock_->AdvanceTimeMilliseconds(100);
|
|
int64_t delta_ms = clock_->TimeInMilliseconds();
|
|
EXPECT_TRUE(Insert(101, kDeltaFrame, kFirst, kLast));
|
|
packet_ms = packet_buffer_->LastReceivedPacketMs();
|
|
packet_keyframe_ms = packet_buffer_->LastReceivedKeyframePacketMs();
|
|
EXPECT_TRUE(packet_ms);
|
|
EXPECT_TRUE(packet_keyframe_ms);
|
|
EXPECT_EQ(delta_ms, *packet_ms);
|
|
EXPECT_EQ(keyframe_ms, *packet_keyframe_ms);
|
|
|
|
packet_buffer_->Clear();
|
|
packet_ms = packet_buffer_->LastReceivedPacketMs();
|
|
packet_keyframe_ms = packet_buffer_->LastReceivedKeyframePacketMs();
|
|
EXPECT_FALSE(packet_ms);
|
|
EXPECT_FALSE(packet_keyframe_ms);
|
|
}
|
|
|
|
TEST_F(TestPacketBuffer, OneFrameFillBufferH264) {
|
|
InsertH264(0, kKeyFrame, kFirst, kNotLast, 1000);
|
|
for (int i = 1; i < kStartSize - 1; ++i)
|
|
InsertH264(i, kKeyFrame, kNotFirst, kNotLast, 1000);
|
|
InsertH264(kStartSize - 1, kKeyFrame, kNotFirst, kLast, 1000);
|
|
|
|
EXPECT_EQ(1UL, frames_from_callback_.size());
|
|
CheckFrame(0);
|
|
}
|
|
|
|
TEST_F(TestPacketBuffer, OneFrameMaxSeqNumH264) {
|
|
InsertH264(65534, kKeyFrame, kFirst, kNotLast, 1000);
|
|
InsertH264(65535, kKeyFrame, kNotFirst, kLast, 1000);
|
|
|
|
EXPECT_EQ(1UL, frames_from_callback_.size());
|
|
CheckFrame(65534);
|
|
}
|
|
|
|
TEST_F(TestPacketBuffer, ClearMissingPacketsOnKeyframeH264) {
|
|
InsertH264(0, kKeyFrame, kFirst, kLast, 1000);
|
|
InsertH264(2, kKeyFrame, kFirst, kLast, 3000);
|
|
InsertH264(3, kDeltaFrame, kFirst, kNotLast, 4000);
|
|
InsertH264(4, kDeltaFrame, kNotFirst, kLast, 4000);
|
|
|
|
ASSERT_EQ(3UL, frames_from_callback_.size());
|
|
|
|
InsertH264(kStartSize + 1, kKeyFrame, kFirst, kLast, 18000);
|
|
|
|
ASSERT_EQ(4UL, frames_from_callback_.size());
|
|
CheckFrame(0);
|
|
CheckFrame(2);
|
|
CheckFrame(3);
|
|
CheckFrame(kStartSize + 1);
|
|
}
|
|
|
|
TEST_F(TestPacketBuffer, FindFramesOnPaddingH264) {
|
|
InsertH264(0, kKeyFrame, kFirst, kLast, 1000);
|
|
InsertH264(2, kDeltaFrame, kFirst, kLast, 1000);
|
|
|
|
ASSERT_EQ(1UL, frames_from_callback_.size());
|
|
packet_buffer_->PaddingReceived(1);
|
|
ASSERT_EQ(2UL, frames_from_callback_.size());
|
|
CheckFrame(0);
|
|
CheckFrame(2);
|
|
}
|
|
|
|
} // namespace video_coding
|
|
} // namespace webrtc
|