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Unified Diff: webrtc/modules/video_coding/packet_buffer_unittest.cc

Issue 2051453002: Padding is now used to check for continuity in the packet sequence. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Use unique_ptr for dummy data. Created 4 years, 6 months ago
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Index: webrtc/modules/video_coding/packet_buffer_unittest.cc
diff --git a/webrtc/modules/video_coding/packet_buffer_unittest.cc b/webrtc/modules/video_coding/packet_buffer_unittest.cc
index cffd3920086e59a0662a7a9e574185f98faef598..86abadab6574494e929dbf2ee246a090ae2af85c 100644
--- a/webrtc/modules/video_coding/packet_buffer_unittest.cc
+++ b/webrtc/modules/video_coding/packet_buffer_unittest.cc
@@ -29,7 +29,8 @@ class TestPacketBuffer : public ::testing::Test,
TestPacketBuffer()
: rand_(0x8739211),
packet_buffer_(new PacketBuffer(kStartSize, kMaxSize, this)),
- frames_from_callback_(FrameComp()) {}
+ frames_from_callback_(FrameComp()),
+ dummy_data(new uint8_t[dummy_data_size]()) {}
uint16_t Rand() { return rand_.Rand(std::numeric_limits<uint16_t>::max()); }
@@ -61,12 +62,17 @@ class TestPacketBuffer : public ::testing::Test,
};
// 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
+ 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
+ int data_size = -1, // size of data
+ uint8_t* data = nullptr) { // data pointer
+ if (data_size == -1) {
+ data_size = dummy_data_size;
+ data = dummy_data.get();
+ }
+
VCMPacket packet;
packet.codec = kVideoCodecGeneric;
packet.seqNum = seq_num;
@@ -88,8 +94,13 @@ class TestPacketBuffer : public ::testing::Test,
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
+ int data_size = -1, // size of data
uint8_t* data = nullptr) { // data pointer
+ if (data_size == -1) {
+ data_size = dummy_data_size;
+ data = dummy_data.get();
+ }
+
VCMPacket packet;
packet.codec = kVideoCodecVP8;
packet.seqNum = seq_num;
@@ -117,8 +128,13 @@ class TestPacketBuffer : public ::testing::Test,
uint8_t tid = kNoTemporalIdx, // temporal id
int32_t tl0 = kNoTl0PicIdx, // tl0 pic index
GofInfoVP9* ss = nullptr, // scalability structure
- size_t data_size = 0, // size of data
+ int data_size = -1, // size of data
uint8_t* data = nullptr) { // data pointer
+ if (data_size == -1) {
+ data_size = dummy_data_size;
+ data = dummy_data.get();
+ }
+
VCMPacket packet;
packet.codec = kVideoCodecVP9;
packet.seqNum = seq_num;
@@ -142,19 +158,24 @@ class TestPacketBuffer : public ::testing::Test,
}
// Insert a Vp9 packet into the packet buffer.
- void InsertVp9Flex(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 inter, // depends on S-1 layer
- int32_t pid = kNoPictureId, // picture id
- uint8_t sid = kNoSpatialIdx, // spatial id
- uint8_t tid = kNoTemporalIdx, // temporal id
- int32_t tl0 = kNoTl0PicIdx, // tl0 pic index
- std::vector<uint8_t> refs =
- std::vector<uint8_t>(), // frame references
- size_t data_size = 0, // size of data
- uint8_t* data = nullptr) { // data pointer
+ void InsertVp9Flex(
+ 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 inter, // depends on S-1 layer
+ int32_t pid = kNoPictureId, // picture id
+ uint8_t sid = kNoSpatialIdx, // spatial id
+ uint8_t tid = kNoTemporalIdx, // temporal id
+ int32_t tl0 = kNoTl0PicIdx, // tl0 pic index
+ std::vector<uint8_t> refs = std::vector<uint8_t>(), // frame references
+ int data_size = -1, // size of data
+ uint8_t* data = nullptr) { // data pointer
+ if (data_size == -1) {
+ data_size = dummy_data_size;
+ data = dummy_data.get();
+ }
+
VCMPacket packet;
packet.codec = kVideoCodecVP9;
packet.seqNum = seq_num;
@@ -224,6 +245,7 @@ class TestPacketBuffer : public ::testing::Test,
const int kStartSize = 16;
const int kMaxSize = 64;
+ const int dummy_data_size = 4;
Random rand_;
std::unique_ptr<PacketBuffer> packet_buffer_;
@@ -238,6 +260,8 @@ class TestPacketBuffer : public ::testing::Test,
std::map<std::pair<uint16_t, uint8_t>,
std::unique_ptr<FrameObject>,
FrameComp> frames_from_callback_;
+
+ std::unique_ptr<uint8_t[]> dummy_data;
};
TEST_F(TestPacketBuffer, InsertOnePacket) {
@@ -274,8 +298,8 @@ TEST_F(TestPacketBuffer, NackCount) {
packet.frameType = kVideoFrameKey;
packet.isFirstPacket = true;
packet.markerBit = false;
- packet.sizeBytes = 0;
- packet.dataPtr = nullptr;
+ packet.dataPtr = dummy_data.get();
+ packet.sizeBytes = dummy_data_size;
packet.timesNacked = 0;
packet_buffer_->InsertPacket(packet);
@@ -378,6 +402,8 @@ TEST_F(TestPacketBuffer, GenericThreePacketReorderingOneFrame) {
TEST_F(TestPacketBuffer, DiscardOldPacket) {
uint16_t seq_num = Rand();
VCMPacket packet;
+ packet.dataPtr = dummy_data.get();
+ packet.sizeBytes = dummy_data_size;
packet.seqNum = Rand();
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
packet.seqNum += 2;
@@ -397,6 +423,8 @@ TEST_F(TestPacketBuffer, DiscardOldPacket) {
TEST_F(TestPacketBuffer, DiscardMultipleOldPackets) {
uint16_t seq_num = Rand();
VCMPacket packet;
+ packet.dataPtr = dummy_data.get();
+ packet.sizeBytes = dummy_data_size;
packet.seqNum = seq_num;
EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
packet.seqNum += 2;
@@ -472,9 +500,7 @@ TEST_F(TestPacketBuffer, GetBitstreamFromFrame) {
CheckReferencesVp8(seq_num + 3);
EXPECT_TRUE(frames_from_callback_[std::make_pair(seq_num + 3, 0)]->
GetBitstream(result));
- EXPECT_EQ(std::strcmp("many bitstream, such data",
- reinterpret_cast<char*>(result)),
- 0);
+ EXPECT_EQ(memcmp(result, "many bitstream, such data", sizeof(result)), 0);
}
TEST_F(TestPacketBuffer, FreeSlotsOnFrameDestruction) {
@@ -515,6 +541,8 @@ TEST_F(TestPacketBuffer, Clear) {
TEST_F(TestPacketBuffer, InvalidateFrameByClearing) {
VCMPacket packet;
+ packet.dataPtr = dummy_data.get();
+ packet.sizeBytes = dummy_data_size;
packet.codec = kVideoCodecGeneric;
packet.frameType = kVideoFrameKey;
packet.isFirstPacket = kT;
@@ -527,6 +555,49 @@ TEST_F(TestPacketBuffer, InvalidateFrameByClearing) {
EXPECT_FALSE(frames_from_callback_.begin()->second->GetBitstream(nullptr));
}
+TEST_F(TestPacketBuffer, PaddingPackets) {
+ uint16_t seq_num = Rand();
+
+ // seq_num , kf, frst, lst
+ InsertGeneric(seq_num , kT, kT , kT);
+ InsertGeneric(seq_num + 1, kF, kF , kF, 0, nullptr);
+ InsertGeneric(seq_num + 3, kF, kT , kT);
+ EXPECT_EQ(1UL, frames_from_callback_.size());
+ InsertGeneric(seq_num + 2, kF, kF , kF, 0, nullptr);
+ EXPECT_EQ(2UL, frames_from_callback_.size());
+}
+
+TEST_F(TestPacketBuffer, PaddingPacketsReordered) {
+ uint16_t seq_num = Rand();
+
+ // seq_num , kf, frst, lst
+ InsertGeneric(seq_num , kT, kT , kT);
+ InsertGeneric(seq_num + 1, kF, kF , kF, 0, nullptr);
+ InsertGeneric(seq_num + 2, kF, kT , kF);
+ InsertGeneric(seq_num + 4, kF, kF , kF, 0, nullptr);
+ InsertGeneric(seq_num + 3, kF, kF , kT);
+ EXPECT_EQ(2UL, frames_from_callback_.size());
+ CheckReferencesGeneric(seq_num);
+ CheckReferencesGeneric(seq_num + 3, seq_num);
+}
+
+TEST_F(TestPacketBuffer, PaddingPacketsReorderedMultipleKeyframes) {
+ uint16_t seq_num = Rand();
+
+ // seq_num , kf, frst, lst
+ InsertGeneric(seq_num , kT, kT , kT);
+ InsertGeneric(seq_num + 2, kF, kT , kF);
+ InsertGeneric(seq_num + 1, kF, kF , kF, 0, nullptr);
+ InsertGeneric(seq_num + 4, kF, kF , kF, 0, nullptr);
+ InsertGeneric(seq_num + 5, kT, kT , kT);
+ InsertGeneric(seq_num + 3, kF, kF , kT);
+ InsertGeneric(seq_num + 6, kF, kF , kF, 0, nullptr);
+ InsertGeneric(seq_num + 9, kF, kF , kF, 0, nullptr);
+ InsertGeneric(seq_num + 8, kF, kF , kT);
+ InsertGeneric(seq_num + 7, kF, kT , kF);
+ EXPECT_EQ(4UL, frames_from_callback_.size());
+}
+
TEST_F(TestPacketBuffer, Vp8NoPictureId) {
uint16_t seq_num = Rand();
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