blob: c9d0ad13b05f2800e690b388d0baeaa5cb081d87 [file] [log] [blame]
/*
* Copyright 2017 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 "video/video_receive_stream.h"
#include <algorithm>
#include <memory>
#include <utility>
#include <vector>
#include "api/task_queue/default_task_queue_factory.h"
#include "api/test/video/function_video_decoder_factory.h"
#include "api/video_codecs/video_decoder.h"
#include "call/rtp_stream_receiver_controller.h"
#include "common_video/test/utilities.h"
#include "media/base/fake_video_renderer.h"
#include "modules/pacing/packet_router.h"
#include "modules/rtp_rtcp/source/rtp_packet_to_send.h"
#include "modules/utility/include/process_thread.h"
#include "rtc_base/critical_section.h"
#include "rtc_base/event.h"
#include "system_wrappers/include/clock.h"
#include "test/fake_decoder.h"
#include "test/field_trial.h"
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/video_decoder_proxy_factory.h"
#include "video/call_stats.h"
namespace webrtc {
namespace {
using ::testing::_;
using ::testing::ElementsAreArray;
using ::testing::Invoke;
using ::testing::IsEmpty;
using ::testing::SizeIs;
constexpr int kDefaultTimeOutMs = 50;
class MockTransport : public Transport {
public:
MOCK_METHOD3(SendRtp,
bool(const uint8_t* packet,
size_t length,
const PacketOptions& options));
MOCK_METHOD2(SendRtcp, bool(const uint8_t* packet, size_t length));
};
class MockVideoDecoder : public VideoDecoder {
public:
MOCK_METHOD2(InitDecode,
int32_t(const VideoCodec* config, int32_t number_of_cores));
MOCK_METHOD3(Decode,
int32_t(const EncodedImage& input,
bool missing_frames,
int64_t render_time_ms));
MOCK_METHOD1(RegisterDecodeCompleteCallback,
int32_t(DecodedImageCallback* callback));
MOCK_METHOD0(Release, int32_t(void));
const char* ImplementationName() const { return "MockVideoDecoder"; }
};
class FrameObjectFake : public video_coding::EncodedFrame {
public:
void SetPayloadType(uint8_t payload_type) { _payloadType = payload_type; }
void SetRotation(const VideoRotation& rotation) { rotation_ = rotation; }
void SetNtpTime(int64_t ntp_time_ms) { ntp_time_ms_ = ntp_time_ms; }
int64_t ReceivedTime() const override { return 0; }
int64_t RenderTime() const override { return _renderTimeMs; }
};
} // namespace
class VideoReceiveStreamTest : public ::testing::Test {
public:
VideoReceiveStreamTest()
: process_thread_(ProcessThread::Create("TestThread")),
task_queue_factory_(CreateDefaultTaskQueueFactory()),
config_(&mock_transport_),
call_stats_(Clock::GetRealTimeClock(), process_thread_.get()),
h264_decoder_factory_(&mock_h264_video_decoder_),
null_decoder_factory_(&mock_null_video_decoder_) {}
void SetUp() {
constexpr int kDefaultNumCpuCores = 2;
config_.rtp.remote_ssrc = 1111;
config_.rtp.local_ssrc = 2222;
config_.renderer = &fake_renderer_;
VideoReceiveStream::Decoder h264_decoder;
h264_decoder.payload_type = 99;
h264_decoder.video_format = SdpVideoFormat("H264");
h264_decoder.video_format.parameters.insert(
{"sprop-parameter-sets", "Z0IACpZTBYmI,aMljiA=="});
h264_decoder.decoder_factory = &h264_decoder_factory_;
config_.decoders.push_back(h264_decoder);
VideoReceiveStream::Decoder null_decoder;
null_decoder.payload_type = 98;
null_decoder.video_format = SdpVideoFormat("null");
null_decoder.decoder_factory = &null_decoder_factory_;
config_.decoders.push_back(null_decoder);
clock_ = Clock::GetRealTimeClock();
timing_ = new VCMTiming(clock_);
video_receive_stream_ =
std::make_unique<webrtc::internal::VideoReceiveStream>(
task_queue_factory_.get(), &rtp_stream_receiver_controller_,
kDefaultNumCpuCores, &packet_router_, config_.Copy(),
process_thread_.get(), &call_stats_, clock_, timing_);
}
protected:
std::unique_ptr<ProcessThread> process_thread_;
const std::unique_ptr<TaskQueueFactory> task_queue_factory_;
VideoReceiveStream::Config config_;
CallStats call_stats_;
MockVideoDecoder mock_h264_video_decoder_;
MockVideoDecoder mock_null_video_decoder_;
test::VideoDecoderProxyFactory h264_decoder_factory_;
test::VideoDecoderProxyFactory null_decoder_factory_;
cricket::FakeVideoRenderer fake_renderer_;
MockTransport mock_transport_;
PacketRouter packet_router_;
RtpStreamReceiverController rtp_stream_receiver_controller_;
std::unique_ptr<webrtc::internal::VideoReceiveStream> video_receive_stream_;
Clock* clock_;
VCMTiming* timing_;
};
TEST_F(VideoReceiveStreamTest, CreateFrameFromH264FmtpSpropAndIdr) {
constexpr uint8_t idr_nalu[] = {0x05, 0xFF, 0xFF, 0xFF};
RtpPacketToSend rtppacket(nullptr);
uint8_t* payload = rtppacket.AllocatePayload(sizeof(idr_nalu));
memcpy(payload, idr_nalu, sizeof(idr_nalu));
rtppacket.SetMarker(true);
rtppacket.SetSsrc(1111);
rtppacket.SetPayloadType(99);
rtppacket.SetSequenceNumber(1);
rtppacket.SetTimestamp(0);
rtc::Event init_decode_event_;
EXPECT_CALL(mock_h264_video_decoder_, InitDecode(_, _))
.WillOnce(Invoke([&init_decode_event_](const VideoCodec* config,
int32_t number_of_cores) {
init_decode_event_.Set();
return 0;
}));
EXPECT_CALL(mock_h264_video_decoder_, RegisterDecodeCompleteCallback(_));
video_receive_stream_->Start();
EXPECT_CALL(mock_h264_video_decoder_, Decode(_, false, _));
RtpPacketReceived parsed_packet;
ASSERT_TRUE(parsed_packet.Parse(rtppacket.data(), rtppacket.size()));
rtp_stream_receiver_controller_.OnRtpPacket(parsed_packet);
EXPECT_CALL(mock_h264_video_decoder_, Release());
// Make sure the decoder thread had a chance to run.
init_decode_event_.Wait(kDefaultTimeOutMs);
}
TEST_F(VideoReceiveStreamTest, PlayoutDelay) {
const PlayoutDelay kPlayoutDelayMs = {123, 321};
std::unique_ptr<FrameObjectFake> test_frame(new FrameObjectFake());
test_frame->id.picture_id = 0;
test_frame->SetPlayoutDelay(kPlayoutDelayMs);
video_receive_stream_->OnCompleteFrame(std::move(test_frame));
EXPECT_EQ(kPlayoutDelayMs.min_ms, timing_->min_playout_delay());
EXPECT_EQ(kPlayoutDelayMs.max_ms, timing_->max_playout_delay());
// Check that the biggest minimum delay is chosen.
video_receive_stream_->SetMinimumPlayoutDelay(400);
EXPECT_EQ(400, timing_->min_playout_delay());
// Check base minimum delay validation.
EXPECT_FALSE(video_receive_stream_->SetBaseMinimumPlayoutDelayMs(12345));
EXPECT_FALSE(video_receive_stream_->SetBaseMinimumPlayoutDelayMs(-1));
EXPECT_TRUE(video_receive_stream_->SetBaseMinimumPlayoutDelayMs(500));
EXPECT_EQ(500, timing_->min_playout_delay());
// Check that intermidiate values are remembered and the biggest remembered
// is chosen.
video_receive_stream_->SetBaseMinimumPlayoutDelayMs(0);
EXPECT_EQ(400, timing_->min_playout_delay());
video_receive_stream_->SetMinimumPlayoutDelay(0);
EXPECT_EQ(123, timing_->min_playout_delay());
}
TEST_F(VideoReceiveStreamTest, PlayoutDelayPreservesDefaultMaxValue) {
const int default_max_playout_latency = timing_->max_playout_delay();
const PlayoutDelay kPlayoutDelayMs = {123, -1};
std::unique_ptr<FrameObjectFake> test_frame(new FrameObjectFake());
test_frame->id.picture_id = 0;
test_frame->SetPlayoutDelay(kPlayoutDelayMs);
video_receive_stream_->OnCompleteFrame(std::move(test_frame));
// Ensure that -1 preserves default maximum value from |timing_|.
EXPECT_EQ(kPlayoutDelayMs.min_ms, timing_->min_playout_delay());
EXPECT_NE(kPlayoutDelayMs.max_ms, timing_->max_playout_delay());
EXPECT_EQ(default_max_playout_latency, timing_->max_playout_delay());
}
TEST_F(VideoReceiveStreamTest, PlayoutDelayPreservesDefaultMinValue) {
const int default_min_playout_latency = timing_->min_playout_delay();
const PlayoutDelay kPlayoutDelayMs = {-1, 321};
std::unique_ptr<FrameObjectFake> test_frame(new FrameObjectFake());
test_frame->id.picture_id = 0;
test_frame->SetPlayoutDelay(kPlayoutDelayMs);
video_receive_stream_->OnCompleteFrame(std::move(test_frame));
// Ensure that -1 preserves default minimum value from |timing_|.
EXPECT_NE(kPlayoutDelayMs.min_ms, timing_->min_playout_delay());
EXPECT_EQ(kPlayoutDelayMs.max_ms, timing_->max_playout_delay());
EXPECT_EQ(default_min_playout_latency, timing_->min_playout_delay());
}
class VideoReceiveStreamTestWithFakeDecoder : public ::testing::Test {
public:
VideoReceiveStreamTestWithFakeDecoder()
: fake_decoder_factory_(
[]() { return std::make_unique<test::FakeDecoder>(); }),
process_thread_(ProcessThread::Create("TestThread")),
task_queue_factory_(CreateDefaultTaskQueueFactory()),
config_(&mock_transport_),
call_stats_(Clock::GetRealTimeClock(), process_thread_.get()) {}
void SetUp() {
constexpr int kDefaultNumCpuCores = 2;
config_.rtp.remote_ssrc = 1111;
config_.rtp.local_ssrc = 2222;
config_.renderer = &fake_renderer_;
VideoReceiveStream::Decoder fake_decoder;
fake_decoder.payload_type = 99;
fake_decoder.video_format = SdpVideoFormat("VP8");
fake_decoder.decoder_factory = &fake_decoder_factory_;
config_.decoders.push_back(fake_decoder);
clock_ = Clock::GetRealTimeClock();
timing_ = new VCMTiming(clock_);
video_receive_stream_.reset(new webrtc::internal::VideoReceiveStream(
task_queue_factory_.get(), &rtp_stream_receiver_controller_,
kDefaultNumCpuCores, &packet_router_, config_.Copy(),
process_thread_.get(), &call_stats_, clock_, timing_));
}
protected:
test::FunctionVideoDecoderFactory fake_decoder_factory_;
std::unique_ptr<ProcessThread> process_thread_;
const std::unique_ptr<TaskQueueFactory> task_queue_factory_;
VideoReceiveStream::Config config_;
CallStats call_stats_;
cricket::FakeVideoRenderer fake_renderer_;
MockTransport mock_transport_;
PacketRouter packet_router_;
RtpStreamReceiverController rtp_stream_receiver_controller_;
std::unique_ptr<webrtc::internal::VideoReceiveStream> video_receive_stream_;
Clock* clock_;
VCMTiming* timing_;
};
TEST_F(VideoReceiveStreamTestWithFakeDecoder, PassesNtpTime) {
const int64_t kNtpTimestamp = 12345;
auto test_frame = std::make_unique<FrameObjectFake>();
test_frame->SetPayloadType(99);
test_frame->id.picture_id = 0;
test_frame->SetNtpTime(kNtpTimestamp);
video_receive_stream_->Start();
video_receive_stream_->OnCompleteFrame(std::move(test_frame));
EXPECT_TRUE(fake_renderer_.WaitForRenderedFrame(kDefaultTimeOutMs));
EXPECT_EQ(kNtpTimestamp, fake_renderer_.ntp_time_ms());
}
TEST_F(VideoReceiveStreamTestWithFakeDecoder, PassesRotation) {
const webrtc::VideoRotation kRotation = webrtc::kVideoRotation_180;
auto test_frame = std::make_unique<FrameObjectFake>();
test_frame->SetPayloadType(99);
test_frame->id.picture_id = 0;
test_frame->SetRotation(kRotation);
video_receive_stream_->Start();
video_receive_stream_->OnCompleteFrame(std::move(test_frame));
EXPECT_TRUE(fake_renderer_.WaitForRenderedFrame(kDefaultTimeOutMs));
EXPECT_EQ(kRotation, fake_renderer_.rotation());
}
TEST_F(VideoReceiveStreamTestWithFakeDecoder, PassesPacketInfos) {
auto test_frame = std::make_unique<FrameObjectFake>();
test_frame->SetPayloadType(99);
test_frame->id.picture_id = 0;
RtpPacketInfos packet_infos = CreatePacketInfos(3);
test_frame->SetPacketInfos(packet_infos);
video_receive_stream_->Start();
video_receive_stream_->OnCompleteFrame(std::move(test_frame));
EXPECT_TRUE(fake_renderer_.WaitForRenderedFrame(kDefaultTimeOutMs));
EXPECT_THAT(fake_renderer_.packet_infos(), ElementsAreArray(packet_infos));
}
TEST_F(VideoReceiveStreamTestWithFakeDecoder, RenderedFrameUpdatesGetSources) {
constexpr uint32_t kSsrc = 1111;
constexpr uint32_t kCsrc = 9001;
constexpr uint32_t kRtpTimestamp = 12345;
// Prepare one video frame with per-packet information.
auto test_frame = std::make_unique<FrameObjectFake>();
test_frame->SetPayloadType(99);
test_frame->id.picture_id = 0;
RtpPacketInfos packet_infos;
{
RtpPacketInfos::vector_type infos;
RtpPacketInfo info;
info.set_ssrc(kSsrc);
info.set_csrcs({kCsrc});
info.set_rtp_timestamp(kRtpTimestamp);
info.set_receive_time_ms(clock_->TimeInMilliseconds() - 5000);
infos.push_back(info);
info.set_receive_time_ms(clock_->TimeInMilliseconds() - 3000);
infos.push_back(info);
info.set_receive_time_ms(clock_->TimeInMilliseconds() - 2000);
infos.push_back(info);
info.set_receive_time_ms(clock_->TimeInMilliseconds() - 4000);
infos.push_back(info);
packet_infos = RtpPacketInfos(std::move(infos));
}
test_frame->SetPacketInfos(packet_infos);
// Start receive stream.
video_receive_stream_->Start();
EXPECT_THAT(video_receive_stream_->GetSources(), IsEmpty());
// Render one video frame.
int64_t timestamp_ms_min = clock_->TimeInMilliseconds();
video_receive_stream_->OnCompleteFrame(std::move(test_frame));
EXPECT_TRUE(fake_renderer_.WaitForRenderedFrame(kDefaultTimeOutMs));
int64_t timestamp_ms_max = clock_->TimeInMilliseconds();
// Verify that the per-packet information is passed to the renderer.
EXPECT_THAT(fake_renderer_.packet_infos(), ElementsAreArray(packet_infos));
// Verify that the per-packet information also updates |GetSources()|.
std::vector<RtpSource> sources = video_receive_stream_->GetSources();
ASSERT_THAT(sources, SizeIs(2));
{
auto it = std::find_if(sources.begin(), sources.end(),
[](const RtpSource& source) {
return source.source_type() == RtpSourceType::SSRC;
});
ASSERT_NE(it, sources.end());
EXPECT_EQ(it->source_id(), kSsrc);
EXPECT_EQ(it->source_type(), RtpSourceType::SSRC);
EXPECT_EQ(it->rtp_timestamp(), kRtpTimestamp);
EXPECT_GE(it->timestamp_ms(), timestamp_ms_min);
EXPECT_LE(it->timestamp_ms(), timestamp_ms_max);
}
{
auto it = std::find_if(sources.begin(), sources.end(),
[](const RtpSource& source) {
return source.source_type() == RtpSourceType::CSRC;
});
ASSERT_NE(it, sources.end());
EXPECT_EQ(it->source_id(), kCsrc);
EXPECT_EQ(it->source_type(), RtpSourceType::CSRC);
EXPECT_EQ(it->rtp_timestamp(), kRtpTimestamp);
EXPECT_GE(it->timestamp_ms(), timestamp_ms_min);
EXPECT_LE(it->timestamp_ms(), timestamp_ms_max);
}
}
} // namespace webrtc