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Eliminate NackModule dependency on VCMPacket

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Bug: None
Change-Id: I1d4ecac123c888f2315aeb2f717ee756a472036e
Reviewed-on: https://webrtc-review.googlesource.com/95420
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24387}
This commit is contained in:
Niels Möller
2018-08-22 10:36:35 +02:00
committed by Commit Bot
parent 631cafafcc
commit 8dad9b414a
4 changed files with 47 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
modules/video_coding/nack_module.cc
View File

@ -108,12 +108,6 @@ int NackModule::OnReceivedPacket(uint16_t seq_num, bool is_keyframe) {
return 0;
}
int NackModule::OnReceivedPacket(const VCMPacket& packet) {
return OnReceivedPacket(
packet.seqNum,
packet.is_first_packet_in_frame && packet.frameType == kVideoFrameKey);
}
void NackModule::ClearUpTo(uint16_t seq_num) {
rtc::CritScope lock(&crit_);
nack_list_.erase(nack_list_.begin(), nack_list_.lower_bound(seq_num));

2
modules/video_coding/nack_module.h
View File

@ -18,7 +18,6 @@
#include "modules/include/module.h"
#include "modules/include/module_common_types.h"
#include "modules/video_coding/histogram.h"
#include "modules/video_coding/packet.h"
#include "rtc_base/criticalsection.h"
#include "rtc_base/numerics/sequence_number_util.h"
#include "rtc_base/thread_annotations.h"
@ -33,7 +32,6 @@ class NackModule : public Module {
KeyFrameRequestSender* keyframe_request_sender);
int OnReceivedPacket(uint16_t seq_num, bool is_keyframe);
int OnReceivedPacket(const VCMPacket& packet);
void ClearUpTo(uint16_t seq_num);
void UpdateRtt(int64_t rtt_ms);
void Clear();

124
modules/video_coding/nack_module_unittest.cc
View File

@ -40,53 +40,38 @@ class TestNackModule : public ::testing::Test,
};
TEST_F(TestNackModule, NackOnePacket) {
VCMPacket packet;
packet.seqNum = 1;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 3;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1, false);
nack_module_.OnReceivedPacket(3, false);
EXPECT_EQ(1u, sent_nacks_.size());
EXPECT_EQ(2, sent_nacks_[0]);
}
TEST_F(TestNackModule, WrappingSeqNum) {
VCMPacket packet;
packet.seqNum = 0xfffe;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 1;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(0xfffe, false);
nack_module_.OnReceivedPacket(1, false);
EXPECT_EQ(2u, sent_nacks_.size());
EXPECT_EQ(0xffff, sent_nacks_[0]);
EXPECT_EQ(0, sent_nacks_[1]);
}
TEST_F(TestNackModule, WrappingSeqNumClearToKeyframe) {
VCMPacket packet;
packet.seqNum = 0xfffe;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 1;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(0xfffe, false);
nack_module_.OnReceivedPacket(1, false);
EXPECT_EQ(2u, sent_nacks_.size());
EXPECT_EQ(0xffff, sent_nacks_[0]);
EXPECT_EQ(0, sent_nacks_[1]);
sent_nacks_.clear();
packet.frameType = kVideoFrameKey;
packet.is_first_packet_in_frame = true;
packet.seqNum = 2;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(2, true);
EXPECT_EQ(0u, sent_nacks_.size());
packet.seqNum = 501;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(501, true);
EXPECT_EQ(498u, sent_nacks_.size());
for (int seq_num = 3; seq_num < 501; ++seq_num)
EXPECT_EQ(seq_num, sent_nacks_[seq_num - 3]);
sent_nacks_.clear();
packet.frameType = kVideoFrameDelta;
packet.seqNum = 1001;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1001, false);
EXPECT_EQ(499u, sent_nacks_.size());
for (int seq_num = 502; seq_num < 1001; ++seq_num)
EXPECT_EQ(seq_num, sent_nacks_[seq_num - 502]);
@ -106,8 +91,7 @@ TEST_F(TestNackModule, WrappingSeqNumClearToKeyframe) {
// It will then clear all nacks up to the next keyframe (seq num 2),
// thus removing 0xffff and 0 from the nack list.
sent_nacks_.clear();
packet.seqNum = 1004;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1004, false);
EXPECT_EQ(2u, sent_nacks_.size());
EXPECT_EQ(1002, sent_nacks_[0]);
EXPECT_EQ(1003, sent_nacks_[1]);
@ -123,8 +107,7 @@ TEST_F(TestNackModule, WrappingSeqNumClearToKeyframe) {
// Adding packet 1007 will cause the nack module to overflow again, thus
// clearing everything up to 501 which is the next keyframe.
packet.seqNum = 1007;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1007, false);
sent_nacks_.clear();
clock_->AdvanceTimeMilliseconds(100);
nack_module_.Process();
@ -163,11 +146,8 @@ TEST_F(TestNackModule, DontBurstOnTimeSkip) {
}
TEST_F(TestNackModule, ResendNack) {
VCMPacket packet;
packet.seqNum = 1;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 3;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1, false);
nack_module_.OnReceivedPacket(3, false);
EXPECT_EQ(1u, sent_nacks_.size());
EXPECT_EQ(2, sent_nacks_[0]);
@ -189,19 +169,15 @@ TEST_F(TestNackModule, ResendNack) {
nack_module_.Process();
EXPECT_EQ(4u, sent_nacks_.size());
packet.seqNum = 2;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(2, false);
clock_->AdvanceTimeMilliseconds(50);
nack_module_.Process();
EXPECT_EQ(4u, sent_nacks_.size());
}
TEST_F(TestNackModule, ResendPacketMaxRetries) {
VCMPacket packet;
packet.seqNum = 1;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 3;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1, false);
nack_module_.OnReceivedPacket(3, false);
EXPECT_EQ(1u, sent_nacks_.size());
EXPECT_EQ(2, sent_nacks_[0]);
@ -217,53 +193,35 @@ TEST_F(TestNackModule, ResendPacketMaxRetries) {
}
TEST_F(TestNackModule, TooLargeNackList) {
VCMPacket packet;
packet.seqNum = 0;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 1001;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(0, false);
nack_module_.OnReceivedPacket(1001, false);
EXPECT_EQ(1000u, sent_nacks_.size());
EXPECT_EQ(0, keyframes_requested_);
packet.seqNum = 1003;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1003, false);
EXPECT_EQ(1000u, sent_nacks_.size());
EXPECT_EQ(1, keyframes_requested_);
packet.seqNum = 1004;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1004, false);
EXPECT_EQ(1000u, sent_nacks_.size());
EXPECT_EQ(1, keyframes_requested_);
}
TEST_F(TestNackModule, TooLargeNackListWithKeyFrame) {
VCMPacket packet;
packet.seqNum = 0;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 1;
packet.is_first_packet_in_frame = true;
packet.frameType = kVideoFrameKey;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 1001;
packet.is_first_packet_in_frame = false;
packet.frameType = kVideoFrameKey;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(0, false);
nack_module_.OnReceivedPacket(1, true);
nack_module_.OnReceivedPacket(1001, false);
EXPECT_EQ(999u, sent_nacks_.size());
EXPECT_EQ(0, keyframes_requested_);
packet.seqNum = 1003;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1003, false);
EXPECT_EQ(1000u, sent_nacks_.size());
EXPECT_EQ(0, keyframes_requested_);
packet.seqNum = 1005;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(1005, false);
EXPECT_EQ(1000u, sent_nacks_.size());
EXPECT_EQ(1, keyframes_requested_);
}
TEST_F(TestNackModule, ClearUpTo) {
VCMPacket packet;
packet.seqNum = 0;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 100;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(0, false);
nack_module_.OnReceivedPacket(100, false);
EXPECT_EQ(99u, sent_nacks_.size());
sent_nacks_.clear();
@ -275,11 +233,8 @@ TEST_F(TestNackModule, ClearUpTo) {
}
TEST_F(TestNackModule, ClearUpToWrap) {
VCMPacket packet;
packet.seqNum = 0xfff0;
nack_module_.OnReceivedPacket(packet);
packet.seqNum = 0xf;
nack_module_.OnReceivedPacket(packet);
nack_module_.OnReceivedPacket(0xfff0, false);
nack_module_.OnReceivedPacket(0xf, false);
EXPECT_EQ(30u, sent_nacks_.size());
sent_nacks_.clear();
@ -291,27 +246,20 @@ TEST_F(TestNackModule, ClearUpToWrap) {
}
TEST_F(TestNackModule, PacketNackCount) {
VCMPacket packet;
packet.seqNum = 0;
EXPECT_EQ(0, nack_module_.OnReceivedPacket(packet));
packet.seqNum = 2;
EXPECT_EQ(0, nack_module_.OnReceivedPacket(packet));
packet.seqNum = 1;
EXPECT_EQ(1, nack_module_.OnReceivedPacket(packet));
EXPECT_EQ(0, nack_module_.OnReceivedPacket(0, false));
EXPECT_EQ(0, nack_module_.OnReceivedPacket(2, false));
EXPECT_EQ(1, nack_module_.OnReceivedPacket(1, false));
sent_nacks_.clear();
nack_module_.UpdateRtt(100);
packet.seqNum = 5;
EXPECT_EQ(0, nack_module_.OnReceivedPacket(packet));
EXPECT_EQ(0, nack_module_.OnReceivedPacket(5, false));
clock_->AdvanceTimeMilliseconds(100);
nack_module_.Process();
clock_->AdvanceTimeMilliseconds(100);
nack_module_.Process();
packet.seqNum = 3;
EXPECT_EQ(3, nack_module_.OnReceivedPacket(packet));
packet.seqNum = 4;
EXPECT_EQ(3, nack_module_.OnReceivedPacket(packet));
EXPECT_EQ(0, nack_module_.OnReceivedPacket(packet));
EXPECT_EQ(3, nack_module_.OnReceivedPacket(3, false));
EXPECT_EQ(3, nack_module_.OnReceivedPacket(4, false));
EXPECT_EQ(0, nack_module_.OnReceivedPacket(4, false));
}
} // namespace webrtc

13
video/rtp_video_stream_receiver.cc
View File

@ -199,9 +199,18 @@ int32_t RtpVideoStreamReceiver::OnReceivedPayloadData(
WebRtcRTPHeader rtp_header_with_ntp = *rtp_header;
rtp_header_with_ntp.ntp_time_ms =
ntp_estimator_.Estimate(rtp_header->header.timestamp);
VCMPacket packet(payload_data, payload_size, rtp_header_with_ntp);
packet.timesNacked =
nack_module_ ? nack_module_->OnReceivedPacket(packet) : -1;
if (nack_module_) {
const bool is_keyframe =
rtp_header->video_header().is_first_packet_in_frame &&
rtp_header->frameType == kVideoFrameKey;
packet.timesNacked = nack_module_->OnReceivedPacket(
rtp_header->header.sequenceNumber, is_keyframe);
} else {
packet.timesNacked = -1;
}
packet.receive_time_ms = clock_->TimeInMilliseconds();
if (packet.sizeBytes == 0) {