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/*
* Copyright (c) 2012 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 "modules/video_coding/codecs/test/videoprocessor.h"
#include <cstdint>
#include <memory>
#include <vector>
#include "api/environment/environment_factory.h"
#include "api/test/mock_video_decoder.h"
#include "api/test/mock_video_encoder.h"
#include "api/test/videocodec_test_fixture.h"
#include "api/video/i420_buffer.h"
#include "api/video/video_frame.h"
#include "api/video_codecs/video_decoder.h"
#include "api/video_codecs/video_encoder.h"
#include "media/base/media_constants.h"
#include "modules/video_coding/codecs/test/videocodec_test_stats_impl.h"
#include "rtc_base/task_queue_for_test.h"
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/testsupport/mock/mock_frame_reader.h"
using ::testing::_;
using ::testing::AllOf;
using ::testing::Field;
using ::testing::Property;
using ::testing::ResultOf;
using ::testing::Return;
namespace webrtc {
namespace test {
namespace {
const int kWidth = 352;
const int kHeight = 288;
} // namespace
class VideoProcessorTest : public ::testing::Test {
protected:
VideoProcessorTest() : q_("VP queue") {
config_.SetCodecSettings(kVp8CodecName, 1, 1, 1, false, false, false,
kWidth, kHeight);
decoder_mock_ = new MockVideoDecoder();
decoders_.push_back(std::unique_ptr<VideoDecoder>(decoder_mock_));
ExpectInit();
q_.SendTask([this] {
video_processor_ = std::make_unique<VideoProcessor>(
CreateEnvironment(), &encoder_mock_, &decoders_, &frame_reader_mock_,
config_, &stats_, &encoded_frame_writers_,
/*decoded_frame_writers=*/nullptr);
});
}
~VideoProcessorTest() {
q_.SendTask([this] { video_processor_.reset(); });
}
void ExpectInit() {
EXPECT_CALL(encoder_mock_, InitEncode(_, _));
EXPECT_CALL(encoder_mock_, RegisterEncodeCompleteCallback);
EXPECT_CALL(*decoder_mock_, Configure);
EXPECT_CALL(*decoder_mock_, RegisterDecodeCompleteCallback);
}
void ExpectRelease() {
EXPECT_CALL(encoder_mock_, Release()).Times(1);
EXPECT_CALL(encoder_mock_, RegisterEncodeCompleteCallback(_)).Times(1);
EXPECT_CALL(*decoder_mock_, Release()).Times(1);
EXPECT_CALL(*decoder_mock_, RegisterDecodeCompleteCallback(_)).Times(1);
}
TaskQueueForTest q_;
VideoCodecTestFixture::Config config_;
MockVideoEncoder encoder_mock_;
MockVideoDecoder* decoder_mock_;
std::vector<std::unique_ptr<VideoDecoder>> decoders_;
MockFrameReader frame_reader_mock_;
VideoCodecTestStatsImpl stats_;
VideoProcessor::IvfFileWriterMap encoded_frame_writers_;
std::unique_ptr<VideoProcessor> video_processor_;
};
TEST_F(VideoProcessorTest, InitRelease) {
ExpectRelease();
}
TEST_F(VideoProcessorTest, ProcessFrames_FixedFramerate) {
const int kBitrateKbps = 456;
const int kFramerateFps = 31;
EXPECT_CALL(
encoder_mock_,
SetRates(Field(&VideoEncoder::RateControlParameters::framerate_fps,
static_cast<double>(kFramerateFps))))
.Times(1);
q_.SendTask(
[this] { video_processor_->SetRates(kBitrateKbps, kFramerateFps); });
EXPECT_CALL(frame_reader_mock_, PullFrame(_, _, _))
.WillRepeatedly(Return(I420Buffer::Create(kWidth, kHeight)));
EXPECT_CALL(encoder_mock_, Encode(Property(&VideoFrame::rtp_timestamp,
1 * 90000 / kFramerateFps),
_))
.Times(1);
q_.SendTask([this] { video_processor_->ProcessFrame(); });
EXPECT_CALL(encoder_mock_, Encode(Property(&VideoFrame::rtp_timestamp,
2 * 90000 / kFramerateFps),
_))
.Times(1);
q_.SendTask([this] { video_processor_->ProcessFrame(); });
ExpectRelease();
}
TEST_F(VideoProcessorTest, ProcessFrames_VariableFramerate) {
const int kBitrateKbps = 456;
const int kStartFramerateFps = 27;
const int kStartTimestamp = 90000 / kStartFramerateFps;
EXPECT_CALL(
encoder_mock_,
SetRates(Field(&VideoEncoder::RateControlParameters::framerate_fps,
static_cast<double>(kStartFramerateFps))))
.Times(1);
q_.SendTask(
[this] { video_processor_->SetRates(kBitrateKbps, kStartFramerateFps); });
EXPECT_CALL(frame_reader_mock_, PullFrame(_, _, _))
.WillRepeatedly(Return(I420Buffer::Create(kWidth, kHeight)));
EXPECT_CALL(encoder_mock_,
Encode(Property(&VideoFrame::rtp_timestamp, kStartTimestamp), _))
.Times(1);
q_.SendTask([this] { video_processor_->ProcessFrame(); });
const int kNewFramerateFps = 13;
EXPECT_CALL(
encoder_mock_,
SetRates(Field(&VideoEncoder::RateControlParameters::framerate_fps,
static_cast<double>(kNewFramerateFps))))
.Times(1);
q_.SendTask(
[this] { video_processor_->SetRates(kBitrateKbps, kNewFramerateFps); });
EXPECT_CALL(encoder_mock_,
Encode(Property(&VideoFrame::rtp_timestamp,
kStartTimestamp + 90000 / kNewFramerateFps),
_))
.Times(1);
q_.SendTask([this] { video_processor_->ProcessFrame(); });
ExpectRelease();
}
TEST_F(VideoProcessorTest, SetRates) {
const uint32_t kBitrateKbps = 123;
const int kFramerateFps = 17;
EXPECT_CALL(
encoder_mock_,
SetRates(AllOf(ResultOf(
[](const VideoEncoder::RateControlParameters& params) {
return params.bitrate.get_sum_kbps();
},
kBitrateKbps),
Field(&VideoEncoder::RateControlParameters::framerate_fps,
static_cast<double>(kFramerateFps)))))
.Times(1);
q_.SendTask(
[this] { video_processor_->SetRates(kBitrateKbps, kFramerateFps); });
const uint32_t kNewBitrateKbps = 456;
const int kNewFramerateFps = 34;
EXPECT_CALL(
encoder_mock_,
SetRates(AllOf(ResultOf(
[](const VideoEncoder::RateControlParameters& params) {
return params.bitrate.get_sum_kbps();
},
kNewBitrateKbps),
Field(&VideoEncoder::RateControlParameters::framerate_fps,
static_cast<double>(kNewFramerateFps)))))
.Times(1);
q_.SendTask([this] {
video_processor_->SetRates(kNewBitrateKbps, kNewFramerateFps);
});
ExpectRelease();
}
} // namespace test
} // namespace webrtc
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