zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
2c27a062ee46258abe9facc2cceee74f09bf6a99
platform-external-webrtc/webrtc/modules/video_coding/packet_buffer_unittest.cc
kwiberg 2c27a062ee Replace the remaining scoped_ptr with unique_ptr in webrtc/modules/ 
BUG=webrtc:5520

Review URL: https://codereview.webrtc.org/1921233002

Cr-Commit-Position: refs/heads/master@{#12511}
2016-04-26 15:38:03 +00:00

734 lines
27 KiB
C++
Raw Blame History

/*
* 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 <cstring>
#include <limits>
#include <memory>
#include "webrtc/modules/video_coding/frame_object.h"
#include "webrtc/modules/video_coding/packet_buffer.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/base/random.h"
namespace webrtc {
namespace video_coding {
class TestPacketBuffer : public ::testing::Test,
public OnCompleteFrameCallback {
protected:
TestPacketBuffer()
: rand_(0x8739211),
packet_buffer_(new PacketBuffer(kStartSize, kMaxSize, this)) {}
uint16_t Rand() { return rand_.Rand(std::numeric_limits<uint16_t>::max()); }
void OnCompleteFrame(std::unique_ptr<FrameObject> frame) override {
uint16_t pid = frame->picture_id;
auto frame_it = frames_from_callback_.find(pid);
if (frame_it != frames_from_callback_.end()) {
ADD_FAILURE() << "Already received frame with picture id: " << pid;
return;
}
frames_from_callback_.insert(
make_pair(frame->picture_id, std::move(frame)));
}
void TearDown() override {
// All frame objects must be destroyed before the packet buffer since
// a frame object will try to remove itself from the packet buffer
// upon destruction.
frames_from_callback_.clear();
}
// Insert a generic packet into the packet buffer.
void InsertGeneric(uint16_t seq_num, // packet sequence number
bool keyframe, // is keyframe
bool first, // is first packet of frame
bool last, // is last packet of frame
size_t data_size = 0, // size of data
uint8_t* data = nullptr) { // data pointer
VCMPacket packet;
packet.codec = kVideoCodecGeneric;
packet.seqNum = seq_num;
packet.frameType = keyframe ? kVideoFrameKey : kVideoFrameDelta;
packet.isFirstPacket = first;
packet.markerBit = last;
packet.sizeBytes = data_size;
packet.dataPtr = data;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
// Insert a Vp8 packet into the packet buffer.
void InsertVp8(uint16_t seq_num, // packet sequence number
bool keyframe, // is keyframe
bool first, // is first packet of frame
bool last, // is last packet of frame
bool sync = false, // is sync frame
int32_t pid = kNoPictureId, // picture id
uint8_t tid = kNoTemporalIdx, // temporal id
int32_t tl0 = kNoTl0PicIdx, // tl0 pic index
size_t data_size = 0, // size of data
uint8_t* data = nullptr) { // data pointer
VCMPacket packet;
packet.codec = kVideoCodecVP8;
packet.seqNum = seq_num;
packet.frameType = keyframe ? kVideoFrameKey : kVideoFrameDelta;
packet.isFirstPacket = first;
packet.markerBit = last;
packet.sizeBytes = data_size;
packet.dataPtr = data;
packet.codecSpecificHeader.codecHeader.VP8.pictureId = pid % (1 << 15);
packet.codecSpecificHeader.codecHeader.VP8.temporalIdx = tid;
packet.codecSpecificHeader.codecHeader.VP8.tl0PicIdx = tl0;
packet.codecSpecificHeader.codecHeader.VP8.layerSync = sync;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
// Check if a frame with picture id |pid| has been delivered from the packet
// buffer, and if so, if it has the references specified by |refs|.
template <typename... T>
void CheckReferences(uint16_t pid, T... refs) const {
auto frame_it = frames_from_callback_.find(pid);
if (frame_it == frames_from_callback_.end()) {
ADD_FAILURE() << "Could not find frame with picture id " << pid;
return;
}
std::set<uint16_t> actual_refs;
for (uint8_t r = 0; r < frame_it->second->num_references; ++r) {
actual_refs.insert(frame_it->second->references[r]);
}
std::set<uint16_t> expected_refs;
RefsToSet(&expected_refs, refs...);
ASSERT_EQ(expected_refs, actual_refs);
}
template <typename... T>
void RefsToSet(std::set<uint16_t>* m, uint16_t ref, T... refs) const {
m->insert(ref);
RefsToSet(m, refs...);
}
void RefsToSet(std::set<uint16_t>* m) const {}
const int kStartSize = 16;
const int kMaxSize = 64;
Random rand_;
std::unique_ptr<PacketBuffer> packet_buffer_;
std::map<uint16_t, std::unique_ptr<FrameObject>> frames_from_callback_;
};
TEST_F(TestPacketBuffer, InsertOnePacket) {
VCMPacket packet;
packet.seqNum = Rand();
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
TEST_F(TestPacketBuffer, InsertMultiplePackets) {
VCMPacket packet;
packet.seqNum = Rand();
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
++packet.seqNum;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
++packet.seqNum;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
TEST_F(TestPacketBuffer, InsertDuplicatePacket) {
VCMPacket packet;
packet.seqNum = Rand();
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
++packet.seqNum;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
TEST_F(TestPacketBuffer, ExpandBuffer) {
uint16_t seq_num = Rand();
for (int i = 0; i < kStartSize + 1; ++i) {
// seq_num , keyframe, first, last
InsertGeneric(seq_num + i, true , true , true);
}
}
TEST_F(TestPacketBuffer, ExpandBufferOverflow) {
uint16_t seq_num = Rand();
for (int i = 0; i < kMaxSize; ++i) {
// seq_num , keyframe, first, last
InsertGeneric(seq_num + i, true , true , true);
}
VCMPacket packet;
packet.seqNum = seq_num + kMaxSize + 1;
packet.sizeBytes = 1;
EXPECT_FALSE(packet_buffer_->InsertPacket(packet));
}
TEST_F(TestPacketBuffer, GenericOnePacketOneFrame) {
// seq_num, keyframe, first, last
InsertGeneric(Rand() , true , true , true);
ASSERT_EQ(1UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, GenericTwoPacketsTwoFrames) {
uint16_t seq_num = Rand();
// seq_num , keyframe, first, last
InsertGeneric(seq_num , true , true , true);
InsertGeneric(seq_num + 1, true , true , true);
EXPECT_EQ(2UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, GenericTwoPacketsOneFrames) {
uint16_t seq_num = Rand();
// seq_num , keyframe, first, last
InsertGeneric(seq_num , true , true , false);
InsertGeneric(seq_num + 1, true , false, true);
EXPECT_EQ(1UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, GenericThreePacketReorderingOneFrame) {
uint16_t seq_num = Rand();
// seq_num , keyframe, first, last
InsertGeneric(seq_num , true , true , false);
InsertGeneric(seq_num + 2, true , false, true);
InsertGeneric(seq_num + 1, true , false, false);
EXPECT_EQ(1UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, DiscardOldPacket) {
uint16_t seq_num = Rand();
VCMPacket packet;
packet.seqNum = Rand();
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
packet.seqNum += 2;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
for (int i = 3; i < kMaxSize; ++i) {
++packet.seqNum;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
++packet.seqNum;
EXPECT_FALSE(packet_buffer_->InsertPacket(packet));
packet_buffer_->ClearTo(seq_num + 1);
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
TEST_F(TestPacketBuffer, DiscardMultipleOldPackets) {
uint16_t seq_num = Rand();
VCMPacket packet;
packet.seqNum = seq_num;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
packet.seqNum += 2;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
for (int i = 3; i < kMaxSize; ++i) {
++packet.seqNum;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
packet_buffer_->ClearTo(seq_num + 15);
for (int i = 0; i < 15; ++i) {
++packet.seqNum;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
}
for (int i = 15; i < kMaxSize; ++i) {
++packet.seqNum;
EXPECT_FALSE(packet_buffer_->InsertPacket(packet));
}
}
TEST_F(TestPacketBuffer, GenericFrames) {
uint16_t seq_num = Rand();
// seq_num , keyf , first, last
InsertGeneric(seq_num , true , true , true);
InsertGeneric(seq_num + 1, false, true , true);
InsertGeneric(seq_num + 2, false, true , true);
InsertGeneric(seq_num + 3, false, true , true);
ASSERT_EQ(4UL, frames_from_callback_.size());
CheckReferences(seq_num);
CheckReferences(seq_num + 1, seq_num);
CheckReferences(seq_num + 2, seq_num + 1);
CheckReferences(seq_num + 3, seq_num + 2);
}
TEST_F(TestPacketBuffer, GenericFramesReordered) {
uint16_t seq_num = Rand();
// seq_num , keyf , first, last
InsertGeneric(seq_num + 1, false, true , true);
InsertGeneric(seq_num , true , true , true);
InsertGeneric(seq_num + 3, false, true , true);
InsertGeneric(seq_num + 2, false, true , true);
ASSERT_EQ(4UL, frames_from_callback_.size());
CheckReferences(seq_num);
CheckReferences(seq_num + 1, seq_num);
CheckReferences(seq_num + 2, seq_num + 1);
CheckReferences(seq_num + 3, seq_num + 2);
}
TEST_F(TestPacketBuffer, GetBitstreamFromFrame) {
// "many bitstream, such data" with null termination.
uint8_t many[] = {0x6d, 0x61, 0x6e, 0x79, 0x20};
uint8_t bitstream[] = {0x62, 0x69, 0x74, 0x73, 0x74, 0x72,
0x65, 0x61, 0x6d, 0x2c, 0x20};
uint8_t such[] = {0x73, 0x75, 0x63, 0x68, 0x20};
uint8_t data[] = {0x64, 0x61, 0x74, 0x61, 0x0};
uint8_t
result[sizeof(many) + sizeof(bitstream) + sizeof(such) + sizeof(data)];
uint16_t seq_num = Rand();
// seq_num , keyf , first, last , data_size , data
InsertGeneric(seq_num , true , true , false, sizeof(many) , many);
InsertGeneric(seq_num + 1, false, false, false, sizeof(bitstream), bitstream);
InsertGeneric(seq_num + 2, false, false, false, sizeof(such) , such);
InsertGeneric(seq_num + 3, false, false, true , sizeof(data) , data);
ASSERT_EQ(1UL, frames_from_callback_.size());
CheckReferences(seq_num + 3);
EXPECT_TRUE(frames_from_callback_[seq_num + 3]->GetBitstream(result));
EXPECT_EQ(std::strcmp("many bitstream, such data",
reinterpret_cast<char*>(result)),
0);
}
TEST_F(TestPacketBuffer, FreeSlotsOnFrameDestruction) {
uint16_t seq_num = Rand();
// seq_num , keyf , first, last
InsertGeneric(seq_num , true , true , false);
InsertGeneric(seq_num + 1, false, false, false);
InsertGeneric(seq_num + 2, false, false, true);
EXPECT_EQ(1UL, frames_from_callback_.size());
frames_from_callback_.clear();
// seq_num , keyf , first, last
InsertGeneric(seq_num , true , true , false);
InsertGeneric(seq_num + 1, false, false, false);
InsertGeneric(seq_num + 2, false, false, true);
EXPECT_EQ(1UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, Flush) {
uint16_t seq_num = Rand();
// seq_num , keyf , first, last
InsertGeneric(seq_num , true , true , false);
InsertGeneric(seq_num + 1, false, false, false);
InsertGeneric(seq_num + 2, false, false, true);
EXPECT_EQ(1UL, frames_from_callback_.size());
packet_buffer_->Flush();
// seq_num , keyf , first, last
InsertGeneric(seq_num + kStartSize , true , true , false);
InsertGeneric(seq_num + kStartSize + 1, false, false, false);
InsertGeneric(seq_num + kStartSize + 2, false, false, true);
EXPECT_EQ(2UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, InvalidateFrameByFlushing) {
VCMPacket packet;
packet.codec = kVideoCodecGeneric;
packet.frameType = kVideoFrameKey;
packet.isFirstPacket = true;
packet.markerBit = true;
packet.seqNum = Rand();
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
ASSERT_EQ(1UL, frames_from_callback_.size());
packet_buffer_->Flush();
EXPECT_FALSE(frames_from_callback_.begin()->second->GetBitstream(nullptr));
}
TEST_F(TestPacketBuffer, Vp8NoPictureId) {
uint16_t seq_num = Rand();
// seq_num , keyf , first, last
InsertVp8(seq_num , true , true , false);
InsertVp8(seq_num + 1 , false, false, false);
InsertVp8(seq_num + 2 , false, false, true);
ASSERT_EQ(1UL, frames_from_callback_.size());
InsertVp8(seq_num + 3 , false, true , false);
InsertVp8(seq_num + 4 , false, false, true);
ASSERT_EQ(2UL, frames_from_callback_.size());
InsertVp8(seq_num + 5 , false, true , false);
InsertVp8(seq_num + 6 , false, false, false);
InsertVp8(seq_num + 7 , false, false, false);
InsertVp8(seq_num + 8 , false, false, true);
ASSERT_EQ(3UL, frames_from_callback_.size());
InsertVp8(seq_num + 9 , false, true , true);
ASSERT_EQ(4UL, frames_from_callback_.size());
InsertVp8(seq_num + 10, false, true , false);
InsertVp8(seq_num + 11, false, false, true);
ASSERT_EQ(5UL, frames_from_callback_.size());
InsertVp8(seq_num + 12, true , true , true);
ASSERT_EQ(6UL, frames_from_callback_.size());
InsertVp8(seq_num + 13, false, true , false);
InsertVp8(seq_num + 14, false, false, false);
InsertVp8(seq_num + 15, false, false, false);
InsertVp8(seq_num + 16, false, false, false);
InsertVp8(seq_num + 17, false, false, true);
ASSERT_EQ(7UL, frames_from_callback_.size());
InsertVp8(seq_num + 18, false, true , true);
ASSERT_EQ(8UL, frames_from_callback_.size());
InsertVp8(seq_num + 19, false, true , false);
InsertVp8(seq_num + 20, false, false, true);
ASSERT_EQ(9UL, frames_from_callback_.size());
InsertVp8(seq_num + 21, false, true , true);
ASSERT_EQ(10UL, frames_from_callback_.size());
CheckReferences(seq_num + 2);
CheckReferences(seq_num + 4, seq_num + 2);
CheckReferences(seq_num + 8, seq_num + 4);
CheckReferences(seq_num + 9, seq_num + 8);
CheckReferences(seq_num + 11, seq_num + 9);
CheckReferences(seq_num + 12);
CheckReferences(seq_num + 17, seq_num + 12);
CheckReferences(seq_num + 18, seq_num + 17);
CheckReferences(seq_num + 20, seq_num + 18);
CheckReferences(seq_num + 21, seq_num + 20);
}
TEST_F(TestPacketBuffer, Vp8NoPictureIdReordered) {
uint16_t seq_num = 0xfffa;
// seq_num , keyf , first, last
InsertVp8(seq_num + 1 , false, false, false);
InsertVp8(seq_num , true , true , false);
InsertVp8(seq_num + 2 , false, false, true);
InsertVp8(seq_num + 4 , false, false, true);
InsertVp8(seq_num + 6 , false, false, false);
InsertVp8(seq_num + 3 , false, true , false);
InsertVp8(seq_num + 7 , false, false, false);
InsertVp8(seq_num + 5 , false, true , false);
InsertVp8(seq_num + 9 , false, true , true);
InsertVp8(seq_num + 10, false, true , false);
InsertVp8(seq_num + 8 , false, false, true);
InsertVp8(seq_num + 13, false, true , false);
InsertVp8(seq_num + 14, false, false, false);
InsertVp8(seq_num + 12, true , true , true);
InsertVp8(seq_num + 11, false, false, true);
InsertVp8(seq_num + 16, false, false, false);
InsertVp8(seq_num + 19, false, true , false);
InsertVp8(seq_num + 15, false, false, false);
InsertVp8(seq_num + 17, false, false, true);
InsertVp8(seq_num + 20, false, false, true);
InsertVp8(seq_num + 21, false, true , true);
InsertVp8(seq_num + 18, false, true , true);
ASSERT_EQ(10UL, frames_from_callback_.size());
CheckReferences(seq_num + 2);
CheckReferences(seq_num + 4, seq_num + 2);
CheckReferences(seq_num + 8, seq_num + 4);
CheckReferences(seq_num + 9, seq_num + 8);
CheckReferences(seq_num + 11, seq_num + 9);
CheckReferences(seq_num + 12);
CheckReferences(seq_num + 17, seq_num + 12);
CheckReferences(seq_num + 18, seq_num + 17);
CheckReferences(seq_num + 20, seq_num + 18);
CheckReferences(seq_num + 21, seq_num + 20);
}
TEST_F(TestPacketBuffer, Vp8KeyFrameReferences) {
uint16_t pid = Rand();
// seq_num, keyf, first, last, sync , pid, tid, tl0
InsertVp8(Rand() , true, true , true, false, pid, 0 , 0);
ASSERT_EQ(1UL, frames_from_callback_.size());
CheckReferences(pid);
}
// Test with 1 temporal layer.
TEST_F(TestPacketBuffer, Vp8TemporalLayers_0) {
uint16_t pid = Rand();
uint16_t seq_num = Rand();
// seq_num , keyf , first, last, sync , pid , tid, tl0
InsertVp8(seq_num , true , true , true, false, pid , 0 , 1);
InsertVp8(seq_num + 1, false, true , true, false, pid + 1, 0 , 2);
InsertVp8(seq_num + 2, false, true , true, false, pid + 2, 0 , 3);
InsertVp8(seq_num + 3, false, true , true, false, pid + 3, 0 , 4);
ASSERT_EQ(4UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1, pid);
CheckReferences(pid + 2, pid + 1);
CheckReferences(pid + 3, pid + 2);
}
// Test with 1 temporal layer.
TEST_F(TestPacketBuffer, Vp8TemporalLayersReordering_0) {
uint16_t pid = Rand();
uint16_t seq_num = Rand();
// seq_num , keyf , first, last, sync , pid , tid, tl0
InsertVp8(seq_num , true , true , true, false, pid , 0 , 1);
InsertVp8(seq_num + 1, false, true , true, false, pid + 1, 0 , 2);
InsertVp8(seq_num + 3, false, true , true, false, pid + 3, 0 , 4);
InsertVp8(seq_num + 2, false, true , true, false, pid + 2, 0 , 3);
InsertVp8(seq_num + 5, false, true , true, false, pid + 5, 0 , 6);
InsertVp8(seq_num + 6, false, true , true, false, pid + 6, 0 , 7);
InsertVp8(seq_num + 4, false, true , true, false, pid + 4, 0 , 5);
ASSERT_EQ(7UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1, pid);
CheckReferences(pid + 2, pid + 1);
CheckReferences(pid + 3, pid + 2);
CheckReferences(pid + 4, pid + 3);
CheckReferences(pid + 5, pid + 4);
CheckReferences(pid + 6, pid + 5);
}
// Test with 2 temporal layers in a 01 pattern.
TEST_F(TestPacketBuffer, Vp8TemporalLayers_01) {
uint16_t pid = Rand();
uint16_t seq_num = Rand();
// seq_num , keyf , first, last, sync , pid , tid, tl0
InsertVp8(seq_num , true , true , true, false, pid , 0, 255);
InsertVp8(seq_num + 1, false, true , true, true , pid + 1, 1, 255);
InsertVp8(seq_num + 2, false, true , true, false, pid + 2, 0, 0);
InsertVp8(seq_num + 3, false, true , true, false, pid + 3, 1, 0);
ASSERT_EQ(4UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1, pid);
CheckReferences(pid + 2, pid);
CheckReferences(pid + 3, pid + 1, pid + 2);
}
// Test with 2 temporal layers in a 01 pattern.
TEST_F(TestPacketBuffer, Vp8TemporalLayersReordering_01) {
uint16_t pid = Rand();
uint16_t seq_num = Rand();
// seq_num , keyf , first, last, sync , pid , tid, tl0
InsertVp8(seq_num + 1, false, true , true, true , pid + 1, 1 , 255);
InsertVp8(seq_num , true , true , true, false, pid , 0 , 255);
InsertVp8(seq_num + 3, false, true , true, false, pid + 3, 1 , 0);
InsertVp8(seq_num + 5, false, true , true, false, pid + 5, 1 , 1);
InsertVp8(seq_num + 2, false, true , true, false, pid + 2, 0 , 0);
InsertVp8(seq_num + 4, false, true , true, false, pid + 4, 0 , 1);
InsertVp8(seq_num + 6, false, true , true, false, pid + 6, 0 , 2);
InsertVp8(seq_num + 7, false, true , true, false, pid + 7, 1 , 2);
ASSERT_EQ(8UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1, pid);
CheckReferences(pid + 2, pid);
CheckReferences(pid + 3, pid + 1, pid + 2);
CheckReferences(pid + 4, pid + 2);
CheckReferences(pid + 5, pid + 3, pid + 4);
CheckReferences(pid + 6, pid + 4);
CheckReferences(pid + 7, pid + 5, pid + 6);
}
// Test with 3 temporal layers in a 0212 pattern.
TEST_F(TestPacketBuffer, Vp8TemporalLayers_0212) {
uint16_t pid = Rand();
uint16_t seq_num = Rand();
// seq_num , keyf , first, last, sync , pid , tid, tl0
InsertVp8(seq_num , true , true , true , false, pid , 0 , 55);
InsertVp8(seq_num + 1 , false, true , true , true , pid + 1 , 2 , 55);
InsertVp8(seq_num + 2 , false, true , true , true , pid + 2 , 1 , 55);
InsertVp8(seq_num + 3 , false, true , true , false, pid + 3 , 2 , 55);
InsertVp8(seq_num + 4 , false, true , true , false, pid + 4 , 0 , 56);
InsertVp8(seq_num + 5 , false, true , true , false, pid + 5 , 2 , 56);
InsertVp8(seq_num + 6 , false, true , true , false, pid + 6 , 1 , 56);
InsertVp8(seq_num + 7 , false, true , true , false, pid + 7 , 2 , 56);
InsertVp8(seq_num + 8 , false, true , true , false, pid + 8 , 0 , 57);
InsertVp8(seq_num + 9 , false, true , true , true , pid + 9 , 2 , 57);
InsertVp8(seq_num + 10, false, true , true , true , pid + 10, 1 , 57);
InsertVp8(seq_num + 11, false, true , true , false, pid + 11, 2 , 57);
ASSERT_EQ(12UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1 , pid);
CheckReferences(pid + 2 , pid);
CheckReferences(pid + 3 , pid, pid + 1, pid + 2);
CheckReferences(pid + 4 , pid);
CheckReferences(pid + 5 , pid + 2, pid + 3, pid + 4);
CheckReferences(pid + 6 , pid + 2, pid + 4);
CheckReferences(pid + 7 , pid + 4, pid + 5, pid + 6);
CheckReferences(pid + 8 , pid + 4);
CheckReferences(pid + 9 , pid + 8);
CheckReferences(pid + 10, pid + 8);
CheckReferences(pid + 11, pid + 8, pid + 9, pid + 10);
}
// Test with 3 temporal layers in a 0212 pattern.
TEST_F(TestPacketBuffer, Vp8TemporalLayersReordering_0212) {
uint16_t pid = 126;
uint16_t seq_num = Rand();
// seq_num , keyf , first, last, sync , pid , tid, tl0
InsertVp8(seq_num + 1 , false, true , true, true , pid + 1 , 2 , 55);
InsertVp8(seq_num , true , true , true, false, pid , 0 , 55);
InsertVp8(seq_num + 2 , false, true , true, true , pid + 2 , 1 , 55);
InsertVp8(seq_num + 4 , false, true , true, false, pid + 4 , 0 , 56);
InsertVp8(seq_num + 5 , false, true , true, false, pid + 5 , 2 , 56);
InsertVp8(seq_num + 3 , false, true , true, false, pid + 3 , 2 , 55);
InsertVp8(seq_num + 7 , false, true , true, false, pid + 7 , 2 , 56);
InsertVp8(seq_num + 9 , false, true , true, true , pid + 9 , 2 , 57);
InsertVp8(seq_num + 6 , false, true , true, false, pid + 6 , 1 , 56);
InsertVp8(seq_num + 8 , false, true , true, false, pid + 8 , 0 , 57);
InsertVp8(seq_num + 11, false, true , true, false, pid + 11, 2 , 57);
InsertVp8(seq_num + 10, false, true , true, true , pid + 10, 1 , 57);
ASSERT_EQ(12UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1 , pid);
CheckReferences(pid + 2 , pid);
CheckReferences(pid + 3 , pid, pid + 1, pid + 2);
CheckReferences(pid + 4 , pid);
CheckReferences(pid + 5 , pid + 2, pid + 3, pid + 4);
CheckReferences(pid + 6 , pid + 2, pid + 4);
CheckReferences(pid + 7 , pid + 4, pid + 5, pid + 6);
CheckReferences(pid + 8 , pid + 4);
CheckReferences(pid + 9 , pid + 8);
CheckReferences(pid + 10, pid + 8);
CheckReferences(pid + 11, pid + 8, pid + 9, pid + 10);
}
TEST_F(TestPacketBuffer, Vp8InsertManyFrames_0212) {
uint16_t pid = Rand();
uint16_t seq_num = Rand();
const int keyframes_to_insert = 50;
const int frames_per_keyframe = 120; // Should be a multiple of 4.
uint8_t tl0 = 128;
for (int k = 0; k < keyframes_to_insert; ++k) {
// seq_num , keyf , first, last , sync , pid , tid, tl0
InsertVp8(seq_num , true , true , true , false, pid , 0 , tl0);
InsertVp8(seq_num + 1, false, true , true , true , pid + 1, 2 , tl0);
InsertVp8(seq_num + 2, false, true , true , true , pid + 2, 1 , tl0);
InsertVp8(seq_num + 3, false, true , true , false, pid + 3, 2 , tl0);
CheckReferences(pid);
CheckReferences(pid + 1, pid);
CheckReferences(pid + 2, pid);
CheckReferences(pid + 3, pid, pid + 1, pid + 2);
frames_from_callback_.clear();
++tl0;
for (int f = 4; f < frames_per_keyframe; f += 4) {
uint16_t sf = seq_num + f;
uint16_t pidf = pid + f;
// seq_num, keyf , first, last, sync , pid , tid, tl0
InsertVp8(sf , false, true , true, false, pidf , 0 , tl0);
InsertVp8(sf + 1 , false, true , true, false, pidf + 1, 2 , tl0);
InsertVp8(sf + 2 , false, true , true, false, pidf + 2, 1 , tl0);
InsertVp8(sf + 3 , false, true , true, false, pidf + 3, 2 , tl0);
CheckReferences(pidf, pidf - 4);
CheckReferences(pidf + 1, pidf, pidf - 1, pidf - 2);
CheckReferences(pidf + 2, pidf, pidf - 2);
CheckReferences(pidf + 3, pidf, pidf + 1, pidf + 2);
frames_from_callback_.clear();
++tl0;
}
pid += frames_per_keyframe;
seq_num += frames_per_keyframe;
}
}
TEST_F(TestPacketBuffer, Vp8LayerSync) {
uint16_t pid = Rand();
uint16_t seq_num = Rand();
// seq_num , keyf , first, last, sync , pid , tid, tl0
InsertVp8(seq_num , true , true , true, false, pid , 0 , 0);
InsertVp8(seq_num + 1 , false, true , true, true , pid + 1 , 1 , 0);
InsertVp8(seq_num + 2 , false, true , true, false, pid + 2 , 0 , 1);
ASSERT_EQ(3UL, frames_from_callback_.size());
InsertVp8(seq_num + 4 , false, true , true, false, pid + 4 , 0 , 2);
InsertVp8(seq_num + 5 , false, true , true, true , pid + 5 , 1 , 2);
InsertVp8(seq_num + 6 , false, true , true, false, pid + 6 , 0 , 3);
InsertVp8(seq_num + 7 , false, true , true, false, pid + 7 , 1 , 3);
ASSERT_EQ(7UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1, pid);
CheckReferences(pid + 2, pid);
CheckReferences(pid + 4, pid + 2);
CheckReferences(pid + 5, pid + 4);
CheckReferences(pid + 6, pid + 4);
CheckReferences(pid + 7, pid + 6, pid + 5);
}
TEST_F(TestPacketBuffer, Vp8InsertLargeFrames) {
packet_buffer_.reset(new PacketBuffer(1 << 3, 1 << 12, this));
uint16_t pid = Rand();
uint16_t seq_num = Rand();
const uint16_t packets_per_frame = 1000;
uint16_t current = seq_num;
uint16_t end = current + packets_per_frame;
// seq_num , keyf , first, last , sync , pid, tid, tl0
InsertVp8(current++, true , true , false, false, pid, 0 , 0);
while (current != end)
InsertVp8(current++, false, false, false, false, pid, 0 , 0);
InsertVp8(current++, false, false, true , false, pid, 0 , 0);
end = current + packets_per_frame;
for (int f = 1; f < 4; ++f) {
InsertVp8(current++, false, true , false, false, pid + f, 0, f);
while (current != end)
InsertVp8(current++, false, false, false, false, pid + f, 0, f);
InsertVp8(current++, false, false, true , false, pid + f, 0, f);
end = current + packets_per_frame;
}
ASSERT_EQ(4UL, frames_from_callback_.size());
CheckReferences(pid);
CheckReferences(pid + 1, pid);
CheckReferences(pid + 2, pid + 1);
CheckReferences(pid + 3, pid + 2);
}
} // namespace video_coding
} // namespace webrtc
Reference in New Issue View Git Blame Copy Permalink