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

Issue 2399373002: Only advance |first_seq_num_| if packets are explicitly cleared from the PacketBuffer. (Closed)
Patch Set: Compile fix 2 Created 4 years, 2 months ago
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« webrtc/modules/video_coding/packet_buffer.cc ('K') | « webrtc/modules/video_coding/packet_buffer.cc ('k') | no next file » | no next file with comments »
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Index: webrtc/modules/video_coding/video_packet_buffer_unittest.cc
diff --git a/webrtc/modules/video_coding/video_packet_buffer_unittest.cc b/webrtc/modules/video_coding/video_packet_buffer_unittest.cc
index 7905e855b4172900101ec6f903c8fac097ff7994..0ec5ff8a6fd6222b2d917aec10fd94b55aba4456 100644
--- a/webrtc/modules/video_coding/video_packet_buffer_unittest.cc
+++ b/webrtc/modules/video_coding/video_packet_buffer_unittest.cc
@@ -49,12 +49,12 @@ class TestPacketBuffer : public ::testing::Test,
enum IsFirst { kFirst, kNotFirst };
enum IsLast { kLast, kNotLast };
- void InsertPacket(uint16_t seq_num, // packet sequence number
- IsKeyFrame keyframe, // is keyframe
- IsFirst first, // is first packet of frame
- IsLast last, // is last packet of frame
- int data_size = 0, // size of data
- uint8_t* data = nullptr) { // data pointer
+ bool Insert(uint16_t seq_num, // packet sequence number
+ IsKeyFrame keyframe, // is keyframe
+ IsFirst first, // is first packet of frame
+ IsLast last, // is last packet of frame
+ int data_size = 0, // size of data
+ uint8_t* data = nullptr) { // data pointer
VCMPacket packet;
packet.codec = kVideoCodecGeneric;
packet.seqNum = seq_num;
@@ -64,7 +64,7 @@ class TestPacketBuffer : public ::testing::Test,
packet.sizeBytes = data_size;
packet.dataPtr = data;
- EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
+ return packet_buffer_->InsertPacket(packet);
}
void CheckFrame(uint16_t first_seq_num) {
@@ -84,26 +84,55 @@ class TestPacketBuffer : public ::testing::Test,
};
TEST_F(TestPacketBuffer, InsertOnePacket) {
- uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
+ const uint16_t seq_num = Rand();
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
}
TEST_F(TestPacketBuffer, InsertMultiplePackets) {
- uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
- InsertPacket(seq_num + 1, kKeyFrame, kFirst, kLast);
- InsertPacket(seq_num + 2, kKeyFrame, kFirst, kLast);
- InsertPacket(seq_num + 3, kKeyFrame, kFirst, kLast);
+ const uint16_t seq_num = Rand();
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 3, kKeyFrame, kFirst, kLast));
}
TEST_F(TestPacketBuffer, InsertDuplicatePacket) {
- uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
+ const uint16_t seq_num = Rand();
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
+}
+
+TEST_F(TestPacketBuffer, SeqNumWrap) {
+ EXPECT_TRUE(Insert(0xFFFF, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(0x0, kKeyFrame, kFirst, kLast));
+
+ CheckFrame(0xFFFF);
+}
+
+TEST_F(TestPacketBuffer, InsertOldPackets) {
+ const uint16_t seq_num = Rand();
+
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kLast));
+ ASSERT_EQ(2UL, frames_from_callback_.size());
+
+ frames_from_callback_.erase(seq_num + 2);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ ASSERT_EQ(1UL, frames_from_callback_.size());
+
+ frames_from_callback_.erase(frames_from_callback_.find(seq_num));
+ ASSERT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
+
+ packet_buffer_->ClearTo(seq_num + 2);
+ EXPECT_FALSE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 3, kDeltaFrame, kFirst, kLast));
+ ASSERT_EQ(2UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, NackCount) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
VCMPacket packet;
packet.codec = kVideoCodecGeneric;
@@ -129,57 +158,64 @@ TEST_F(TestPacketBuffer, NackCount) {
packet.timesNacked = 1;
packet_buffer_->InsertPacket(packet);
-
ASSERT_EQ(1UL, frames_from_callback_.size());
RtpFrameObject* frame = frames_from_callback_.begin()->second.get();
EXPECT_EQ(3, frame->times_nacked());
}
TEST_F(TestPacketBuffer, FrameSize) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
uint8_t data[] = {1, 2, 3, 4, 5};
- InsertPacket(seq_num, kKeyFrame, kFirst, kNotLast, 5, data);
- InsertPacket(seq_num + 1, kKeyFrame, kNotFirst, kNotLast, 5, data);
- InsertPacket(seq_num + 2, kKeyFrame, kNotFirst, kNotLast, 5, data);
- InsertPacket(seq_num + 3, kKeyFrame, kNotFirst, kLast, 5, data);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast, 5, data));
+ EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kNotLast, 5, data));
+ EXPECT_TRUE(Insert(seq_num + 2, kKeyFrame, kNotFirst, kNotLast, 5, data));
+ EXPECT_TRUE(Insert(seq_num + 3, kKeyFrame, kNotFirst, kLast, 5, data));
ASSERT_EQ(1UL, frames_from_callback_.size());
EXPECT_EQ(20UL, frames_from_callback_.begin()->second->size);
}
TEST_F(TestPacketBuffer, ExpandBuffer) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
for (int i = 0; i < kStartSize + 1; ++i) {
- InsertPacket(seq_num + i, kKeyFrame, kFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num + i, kKeyFrame, kFirst, kLast));
}
}
-TEST_F(TestPacketBuffer, ExpandBufferOverflow) {
- uint16_t seq_num = Rand();
+TEST_F(TestPacketBuffer, SingleFrameExpandsBuffer) {
+ const uint16_t seq_num = Rand();
- for (int i = 0; i < kMaxSize; ++i) {
- InsertPacket(seq_num + i, kKeyFrame, kFirst, kLast);
- }
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ for (int i = 1; i < kStartSize; ++i)
+ EXPECT_TRUE(Insert(seq_num + i, kKeyFrame, kNotFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + kStartSize, kKeyFrame, kNotFirst, kLast));
- VCMPacket packet;
- packet.seqNum = seq_num + kMaxSize + 1;
- EXPECT_FALSE(packet_buffer_->InsertPacket(packet));
+ ASSERT_EQ(1UL, frames_from_callback_.size());
+ CheckFrame(seq_num);
+}
+
+TEST_F(TestPacketBuffer, ExpandBufferOverflow) {
+ const uint16_t seq_num = Rand();
+
+ for (int i = 0; i < kMaxSize; ++i)
+ EXPECT_TRUE(Insert(seq_num + i, kKeyFrame, kFirst, kLast));
+ EXPECT_FALSE(Insert(seq_num + kMaxSize + 1, kKeyFrame, kFirst, kLast));
}
TEST_F(TestPacketBuffer, OnePacketOneFrame) {
- uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
+ const uint16_t seq_num = Rand();
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
ASSERT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num);
}
TEST_F(TestPacketBuffer, TwoPacketsTwoFrames) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
- InsertPacket(seq_num + 1, kKeyFrame, kFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kFirst, kLast));
EXPECT_EQ(2UL, frames_from_callback_.size());
CheckFrame(seq_num);
@@ -187,90 +223,80 @@ TEST_F(TestPacketBuffer, TwoPacketsTwoFrames) {
}
TEST_F(TestPacketBuffer, TwoPacketsOneFrames) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kNotLast);
- InsertPacket(seq_num + 1, kKeyFrame, kNotFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kLast));
EXPECT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num);
}
TEST_F(TestPacketBuffer, ThreePacketReorderingOneFrame) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kNotLast);
- InsertPacket(seq_num + 2, kKeyFrame, kNotFirst, kLast);
- InsertPacket(seq_num + 1, kKeyFrame, kNotFirst, kNotLast);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kKeyFrame, kNotFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kKeyFrame, kNotFirst, kNotLast));
EXPECT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num);
}
-TEST_F(TestPacketBuffer, DiscardOldPacket) {
- 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));
- }
+TEST_F(TestPacketBuffer, Frames) {
+ const uint16_t seq_num = Rand();
+
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 3, kDeltaFrame, kFirst, kLast));
- ++packet.seqNum;
- EXPECT_FALSE(packet_buffer_->InsertPacket(packet));
- packet_buffer_->ClearTo(packet.seqNum + 1);
- EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
+ ASSERT_EQ(4UL, frames_from_callback_.size());
+ CheckFrame(seq_num);
+ CheckFrame(seq_num + 1);
+ CheckFrame(seq_num + 2);
+ CheckFrame(seq_num + 3);
}
-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));
+TEST_F(TestPacketBuffer, ClearSinglePacket) {
+ const uint16_t seq_num = Rand();
- for (int i = 3; i < kMaxSize; ++i) {
- ++packet.seqNum;
- EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
- }
+ for (int i = 0; i < kMaxSize; ++i)
+ EXPECT_TRUE(Insert(seq_num + i, kDeltaFrame, kFirst, kLast));
- 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));
- }
+ packet_buffer_->ClearTo(seq_num);
+ EXPECT_TRUE(Insert(seq_num + kMaxSize, kDeltaFrame, kFirst, kLast));
}
-TEST_F(TestPacketBuffer, Frames) {
- uint16_t seq_num = Rand();
+TEST_F(TestPacketBuffer, OneIncompleteFrame) {
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
- InsertPacket(seq_num + 1, kDeltaFrame, kFirst, kLast);
- InsertPacket(seq_num + 2, kDeltaFrame, kFirst, kLast);
- InsertPacket(seq_num + 3, kDeltaFrame, kFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num, kDeltaFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num - 1, kDeltaFrame, kNotFirst, kLast));
- ASSERT_EQ(4UL, frames_from_callback_.size());
+ ASSERT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num);
- CheckFrame(seq_num + 1);
- CheckFrame(seq_num + 2);
- CheckFrame(seq_num + 3);
+}
+
+TEST_F(TestPacketBuffer, TwoIncompleteFramesFullBuffer) {
+ const uint16_t seq_num = Rand();
+
+ for (int i = 1; i < kMaxSize - 1; ++i)
+ EXPECT_TRUE(Insert(seq_num + i, kDeltaFrame, kNotFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num, kDeltaFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num - 1, kDeltaFrame, kNotFirst, kLast));
+
+ ASSERT_EQ(0UL, frames_from_callback_.size());
}
TEST_F(TestPacketBuffer, FramesReordered) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num + 1, kDeltaFrame, kFirst, kLast);
- InsertPacket(seq_num, kKeyFrame, kFirst, kLast);
- InsertPacket(seq_num + 3, kDeltaFrame, kFirst, kLast);
- InsertPacket(seq_num + 2, kDeltaFrame, kFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 3, kDeltaFrame, kFirst, kLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kFirst, kLast));
ASSERT_EQ(4UL, frames_from_callback_.size());
CheckFrame(seq_num);
@@ -289,14 +315,15 @@ TEST_F(TestPacketBuffer, GetBitstreamFromFrame) {
uint8_t
result[sizeof(many) + sizeof(bitstream) + sizeof(such) + sizeof(data)];
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kNotLast, sizeof(many), many);
- InsertPacket(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast, sizeof(bitstream),
- bitstream);
- InsertPacket(seq_num + 2, kDeltaFrame, kNotFirst, kNotLast, sizeof(such),
- such);
- InsertPacket(seq_num + 3, kDeltaFrame, kNotFirst, kLast, sizeof(data), data);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast, sizeof(many), many));
+ EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast,
+ sizeof(bitstream), bitstream));
+ EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kNotFirst, kNotLast,
+ sizeof(such), such));
+ EXPECT_TRUE(
+ Insert(seq_num + 3, kDeltaFrame, kNotFirst, kLast, sizeof(data), data));
ASSERT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num);
@@ -305,50 +332,48 @@ TEST_F(TestPacketBuffer, GetBitstreamFromFrame) {
}
TEST_F(TestPacketBuffer, FreeSlotsOnFrameDestruction) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kNotLast);
- InsertPacket(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast);
- InsertPacket(seq_num + 2, kDeltaFrame, kNotFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kNotFirst, kLast));
EXPECT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num);
frames_from_callback_.clear();
// Insert frame that fills the whole buffer.
- InsertPacket(seq_num + 3, kKeyFrame, kFirst, kNotLast);
+ EXPECT_TRUE(Insert(seq_num + 3, kKeyFrame, kFirst, kNotLast));
for (int i = 0; i < kMaxSize - 2; ++i)
- InsertPacket(seq_num + i + 4, kDeltaFrame, kNotFirst, kNotLast);
- InsertPacket(seq_num + kMaxSize + 2, kKeyFrame, kNotFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num + i + 4, kDeltaFrame, kNotFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + kMaxSize + 2, kKeyFrame, kNotFirst, kLast));
EXPECT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num + 3);
}
TEST_F(TestPacketBuffer, Clear) {
- uint16_t seq_num = Rand();
+ const uint16_t seq_num = Rand();
- InsertPacket(seq_num, kKeyFrame, kFirst, kNotLast);
- InsertPacket(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast);
- InsertPacket(seq_num + 2, kDeltaFrame, kNotFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 1, kDeltaFrame, kNotFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + 2, kDeltaFrame, kNotFirst, kLast));
EXPECT_EQ(1UL, frames_from_callback_.size());
CheckFrame(seq_num);
packet_buffer_->Clear();
- InsertPacket(seq_num + kStartSize, kKeyFrame, kFirst, kNotLast);
- InsertPacket(seq_num + kStartSize + 1, kDeltaFrame, kNotFirst, kNotLast);
- InsertPacket(seq_num + kStartSize + 2, kDeltaFrame, kNotFirst, kLast);
+ EXPECT_TRUE(Insert(seq_num + kStartSize, kKeyFrame, kFirst, kNotLast));
+ EXPECT_TRUE(
+ Insert(seq_num + kStartSize + 1, kDeltaFrame, kNotFirst, kNotLast));
+ EXPECT_TRUE(Insert(seq_num + kStartSize + 2, kDeltaFrame, kNotFirst, kLast));
EXPECT_EQ(2UL, frames_from_callback_.size());
CheckFrame(seq_num + kStartSize);
}
TEST_F(TestPacketBuffer, InvalidateFrameByClearing) {
- VCMPacket packet;
- packet.frameType = kVideoFrameKey;
- packet.isFirstPacket = true;
- packet.markerBit = true;
- packet.seqNum = Rand();
- EXPECT_TRUE(packet_buffer_->InsertPacket(packet));
+ const uint16_t seq_num = Rand();
+
+ EXPECT_TRUE(Insert(seq_num, kKeyFrame, kFirst, kLast));
ASSERT_EQ(1UL, frames_from_callback_.size());
packet_buffer_->Clear();
« webrtc/modules/video_coding/packet_buffer.cc ('K') | « webrtc/modules/video_coding/packet_buffer.cc ('k') | no next file » | no next file with comments »

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