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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include <vector>
#include "base/rand_util.h"
#include "base/test/simple_test_tick_clock.h"
#include "base/time/tick_clock.h"
#include "base/time/time.h"
#include "media/cast/logging/logging_defines.h"
#include "media/cast/logging/logging_impl.h"
#include "media/cast/logging/simple_event_subscriber.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
namespace cast {
// Insert frame duration- one second.
const int64 kIntervalTime1S = 1;
// Test frame rate goal - 30fps.
const int kFrameIntervalMs = 33;
static const int64 kStartMillisecond = INT64_C(12345678900000);
class LoggingImplTest : public ::testing::Test {
protected:
LoggingImplTest() {
testing_clock_.Advance(
base::TimeDelta::FromMilliseconds(kStartMillisecond));
logging_.AddRawEventSubscriber(&event_subscriber_);
}
virtual ~LoggingImplTest() {
logging_.RemoveRawEventSubscriber(&event_subscriber_);
}
LoggingImpl logging_;
base::SimpleTestTickClock testing_clock_;
SimpleEventSubscriber event_subscriber_;
DISALLOW_COPY_AND_ASSIGN(LoggingImplTest);
};
TEST_F(LoggingImplTest, BasicFrameLogging) {
base::TimeTicks start_time = testing_clock_.NowTicks();
base::TimeDelta time_interval = testing_clock_.NowTicks() - start_time;
uint32 rtp_timestamp = 0;
uint32 frame_id = 0;
base::TimeTicks now;
do {
now = testing_clock_.NowTicks();
logging_.InsertFrameEvent(
now, FRAME_CAPTURE_BEGIN, VIDEO_EVENT, rtp_timestamp, frame_id);
testing_clock_.Advance(
base::TimeDelta::FromMilliseconds(kFrameIntervalMs));
rtp_timestamp += kFrameIntervalMs * 90;
++frame_id;
time_interval = now - start_time;
} while (time_interval.InSeconds() < kIntervalTime1S);
// Get logging data.
std::vector<FrameEvent> frame_events;
event_subscriber_.GetFrameEventsAndReset(&frame_events);
// Size of vector should be equal to the number of events logged,
// which equals to number of frames in this case.
EXPECT_EQ(frame_id, frame_events.size());
}
TEST_F(LoggingImplTest, FrameLoggingWithSize) {
// Average packet size.
const int kBaseFrameSizeBytes = 25000;
const int kRandomSizeInterval = 100;
base::TimeTicks start_time = testing_clock_.NowTicks();
base::TimeDelta time_interval = testing_clock_.NowTicks() - start_time;
uint32 rtp_timestamp = 0;
uint32 frame_id = 0;
size_t sum_size = 0;
int target_bitrate = 1234;
do {
int size = kBaseFrameSizeBytes +
base::RandInt(-kRandomSizeInterval, kRandomSizeInterval);
sum_size += static_cast<size_t>(size);
logging_.InsertEncodedFrameEvent(testing_clock_.NowTicks(),
FRAME_ENCODED, VIDEO_EVENT, rtp_timestamp,
frame_id, size, true, target_bitrate);
testing_clock_.Advance(base::TimeDelta::FromMilliseconds(kFrameIntervalMs));
rtp_timestamp += kFrameIntervalMs * 90;
++frame_id;
time_interval = testing_clock_.NowTicks() - start_time;
} while (time_interval.InSeconds() < kIntervalTime1S);
// Get logging data.
std::vector<FrameEvent> frame_events;
event_subscriber_.GetFrameEventsAndReset(&frame_events);
// Size of vector should be equal to the number of events logged, which
// equals to number of frames in this case.
EXPECT_EQ(frame_id, frame_events.size());
}
TEST_F(LoggingImplTest, FrameLoggingWithDelay) {
// Average packet size.
const int kPlayoutDelayMs = 50;
const int kRandomSizeInterval = 20;
base::TimeTicks start_time = testing_clock_.NowTicks();
base::TimeDelta time_interval = testing_clock_.NowTicks() - start_time;
uint32 rtp_timestamp = 0;
uint32 frame_id = 0;
do {
int delay = kPlayoutDelayMs +
base::RandInt(-kRandomSizeInterval, kRandomSizeInterval);
logging_.InsertFrameEventWithDelay(
testing_clock_.NowTicks(),
FRAME_CAPTURE_BEGIN,
VIDEO_EVENT,
rtp_timestamp,
frame_id,
base::TimeDelta::FromMilliseconds(delay));
testing_clock_.Advance(base::TimeDelta::FromMilliseconds(kFrameIntervalMs));
rtp_timestamp += kFrameIntervalMs * 90;
++frame_id;
time_interval = testing_clock_.NowTicks() - start_time;
} while (time_interval.InSeconds() < kIntervalTime1S);
// Get logging data.
std::vector<FrameEvent> frame_events;
event_subscriber_.GetFrameEventsAndReset(&frame_events);
// Size of vector should be equal to the number of frames logged.
EXPECT_EQ(frame_id, frame_events.size());
}
TEST_F(LoggingImplTest, MultipleEventFrameLogging) {
base::TimeTicks start_time = testing_clock_.NowTicks();
base::TimeDelta time_interval = testing_clock_.NowTicks() - start_time;
uint32 rtp_timestamp = 0u;
uint32 frame_id = 0u;
uint32 num_events = 0u;
do {
logging_.InsertFrameEvent(testing_clock_.NowTicks(),
FRAME_CAPTURE_END,
VIDEO_EVENT,
rtp_timestamp,
frame_id);
++num_events;
if (frame_id % 2) {
logging_.InsertEncodedFrameEvent(testing_clock_.NowTicks(),
FRAME_ENCODED, AUDIO_EVENT,
rtp_timestamp,
frame_id, 1500, true, 0);
} else if (frame_id % 3) {
logging_.InsertFrameEvent(testing_clock_.NowTicks(), FRAME_DECODED,
VIDEO_EVENT, rtp_timestamp, frame_id);
} else {
logging_.InsertFrameEventWithDelay(
testing_clock_.NowTicks(), FRAME_PLAYOUT, VIDEO_EVENT,
rtp_timestamp, frame_id, base::TimeDelta::FromMilliseconds(20));
}
++num_events;
testing_clock_.Advance(base::TimeDelta::FromMilliseconds(kFrameIntervalMs));
rtp_timestamp += kFrameIntervalMs * 90;
++frame_id;
time_interval = testing_clock_.NowTicks() - start_time;
} while (time_interval.InSeconds() < kIntervalTime1S);
// Get logging data.
std::vector<FrameEvent> frame_events;
event_subscriber_.GetFrameEventsAndReset(&frame_events);
// Size of vector should be equal to the number of frames logged.
EXPECT_EQ(num_events, frame_events.size());
// Multiple events captured per frame.
}
TEST_F(LoggingImplTest, PacketLogging) {
const int kNumPacketsPerFrame = 10;
const int kBaseSize = 2500;
const int kSizeInterval = 100;
base::TimeTicks start_time = testing_clock_.NowTicks();
base::TimeTicks latest_time;
base::TimeDelta time_interval = testing_clock_.NowTicks() - start_time;
RtpTimestamp rtp_timestamp = 0;
int frame_id = 0;
int num_packets = 0;
int sum_size = 0u;
do {
for (int i = 0; i < kNumPacketsPerFrame; ++i) {
int size = kBaseSize + base::RandInt(-kSizeInterval, kSizeInterval);
sum_size += size;
latest_time = testing_clock_.NowTicks();
++num_packets;
logging_.InsertPacketEvent(latest_time,
PACKET_RECEIVED,
VIDEO_EVENT,
rtp_timestamp,
frame_id,
i,
kNumPacketsPerFrame,
size);
}
testing_clock_.Advance(base::TimeDelta::FromMilliseconds(kFrameIntervalMs));
rtp_timestamp += kFrameIntervalMs * 90;
++frame_id;
time_interval = testing_clock_.NowTicks() - start_time;
} while (time_interval.InSeconds() < kIntervalTime1S);
// Get logging data.
std::vector<PacketEvent> packet_events;
event_subscriber_.GetPacketEventsAndReset(&packet_events);
// Size of vector should be equal to the number of packets logged.
EXPECT_EQ(num_packets, static_cast<int>(packet_events.size()));
}
TEST_F(LoggingImplTest, MultipleRawEventSubscribers) {
SimpleEventSubscriber event_subscriber_2;
// Now logging_ has two subscribers.
logging_.AddRawEventSubscriber(&event_subscriber_2);
logging_.InsertFrameEvent(testing_clock_.NowTicks(),
FRAME_CAPTURE_BEGIN,
VIDEO_EVENT,
/*rtp_timestamp*/ 0u,
/*frame_id*/ 0u);
std::vector<FrameEvent> frame_events;
event_subscriber_.GetFrameEventsAndReset(&frame_events);
EXPECT_EQ(1u, frame_events.size());
frame_events.clear();
event_subscriber_2.GetFrameEventsAndReset(&frame_events);
EXPECT_EQ(1u, frame_events.size());
logging_.RemoveRawEventSubscriber(&event_subscriber_2);
}
} // namespace cast
} // namespace media
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