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/*
* Copyright (c) 2019 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 "test/pc/e2e/analyzer/video/single_process_encoded_image_data_injector.h"
#include <utility>
#include "api/video/encoded_image.h"
#include "rtc_base/buffer.h"
#include "test/gtest.h"
namespace webrtc {
namespace webrtc_pc_e2e {
namespace {
rtc::Buffer CreateBufferOfSizeNFilledWithValuesFromX(size_t n, uint8_t x) {
rtc::Buffer buffer(n);
for (size_t i = 0; i < n; ++i) {
buffer[i] = static_cast<uint8_t>(x + i);
}
return buffer;
}
} // namespace
TEST(SingleProcessEncodedImageDataInjector, InjectExtractDiscardFalse) {
SingleProcessEncodedImageDataInjector injector;
rtc::Buffer buffer = CreateBufferOfSizeNFilledWithValuesFromX(10, 1);
EncodedImage source(buffer.data(), 10, 10);
source.SetTimestamp(123456789);
EncodedImageExtractionResult out =
injector.ExtractData(injector.InjectData(512, false, source, 1), 2);
EXPECT_EQ(out.id, 512);
EXPECT_FALSE(out.discard);
EXPECT_EQ(out.image.size(), 10ul);
EXPECT_EQ(out.image.capacity(), 10ul);
for (int i = 0; i < 10; ++i) {
EXPECT_EQ(out.image.data()[i], i + 1);
}
}
TEST(SingleProcessEncodedImageDataInjector, InjectExtractDiscardTrue) {
SingleProcessEncodedImageDataInjector injector;
rtc::Buffer buffer = CreateBufferOfSizeNFilledWithValuesFromX(10, 1);
EncodedImage source(buffer.data(), 10, 10);
source.SetTimestamp(123456789);
EncodedImageExtractionResult out =
injector.ExtractData(injector.InjectData(512, true, source, 1), 2);
EXPECT_EQ(out.id, 512);
EXPECT_TRUE(out.discard);
EXPECT_EQ(out.image.size(), 0ul);
EXPECT_EQ(out.image.capacity(), 10ul);
}
TEST(SingleProcessEncodedImageDataInjector, Inject3Extract3) {
SingleProcessEncodedImageDataInjector injector;
rtc::Buffer buffer1 = CreateBufferOfSizeNFilledWithValuesFromX(10, 1);
rtc::Buffer buffer2 = CreateBufferOfSizeNFilledWithValuesFromX(10, 11);
rtc::Buffer buffer3 = CreateBufferOfSizeNFilledWithValuesFromX(10, 21);
// 1st frame
EncodedImage source1(buffer1.data(), 10, 10);
source1.SetTimestamp(123456710);
// 2nd frame 1st spatial layer
EncodedImage source2(buffer2.data(), 10, 10);
source2.SetTimestamp(123456720);
// 2nd frame 2nd spatial layer
EncodedImage source3(buffer3.data(), 10, 10);
source3.SetTimestamp(123456720);
EncodedImage intermediate1 = injector.InjectData(510, false, source1, 1);
EncodedImage intermediate2 = injector.InjectData(520, true, source2, 1);
EncodedImage intermediate3 = injector.InjectData(520, false, source3, 1);
// Extract ids in different order.
EncodedImageExtractionResult out3 = injector.ExtractData(intermediate3, 2);
EncodedImageExtractionResult out1 = injector.ExtractData(intermediate1, 2);
EncodedImageExtractionResult out2 = injector.ExtractData(intermediate2, 2);
EXPECT_EQ(out1.id, 510);
EXPECT_FALSE(out1.discard);
EXPECT_EQ(out1.image.size(), 10ul);
EXPECT_EQ(out1.image.capacity(), 10ul);
for (int i = 0; i < 10; ++i) {
EXPECT_EQ(out1.image.data()[i], i + 1);
}
EXPECT_EQ(out2.id, 520);
EXPECT_TRUE(out2.discard);
EXPECT_EQ(out2.image.size(), 0ul);
EXPECT_EQ(out2.image.capacity(), 10ul);
EXPECT_EQ(out3.id, 520);
EXPECT_FALSE(out3.discard);
EXPECT_EQ(out3.image.size(), 10ul);
EXPECT_EQ(out3.image.capacity(), 10ul);
for (int i = 0; i < 10; ++i) {
EXPECT_EQ(out3.image.data()[i], i + 21);
}
}
TEST(SingleProcessEncodedImageDataInjector, InjectExtractFromConcatenated) {
SingleProcessEncodedImageDataInjector injector;
rtc::Buffer buffer1 = CreateBufferOfSizeNFilledWithValuesFromX(10, 1);
rtc::Buffer buffer2 = CreateBufferOfSizeNFilledWithValuesFromX(10, 11);
rtc::Buffer buffer3 = CreateBufferOfSizeNFilledWithValuesFromX(10, 21);
EncodedImage source1(buffer1.data(), 10, 10);
source1.SetTimestamp(123456710);
EncodedImage source2(buffer2.data(), 10, 10);
source2.SetTimestamp(123456710);
EncodedImage source3(buffer3.data(), 10, 10);
source3.SetTimestamp(123456710);
// Inject id into 3 images with same frame id.
EncodedImage intermediate1 = injector.InjectData(512, false, source1, 1);
EncodedImage intermediate2 = injector.InjectData(512, true, source2, 1);
EncodedImage intermediate3 = injector.InjectData(512, false, source3, 1);
// Concatenate them into single encoded image, like it can be done in jitter
// buffer.
size_t concatenated_length =
intermediate1.size() + intermediate2.size() + intermediate3.size();
rtc::Buffer concatenated_buffer;
concatenated_buffer.AppendData(intermediate1.data(), intermediate1.size());
concatenated_buffer.AppendData(intermediate2.data(), intermediate2.size());
concatenated_buffer.AppendData(intermediate3.data(), intermediate3.size());
EncodedImage concatenated(concatenated_buffer.data(), concatenated_length,
concatenated_length);
// Extract frame id from concatenated image
EncodedImageExtractionResult out = injector.ExtractData(concatenated, 2);
EXPECT_EQ(out.id, 512);
EXPECT_FALSE(out.discard);
EXPECT_EQ(out.image.size(), 2 * 10ul);
EXPECT_EQ(out.image.capacity(), 3 * 10ul);
for (int i = 0; i < 10; ++i) {
EXPECT_EQ(out.image.data()[i], i + 1);
EXPECT_EQ(out.image.data()[i + 10], i + 21);
}
}
TEST(SingleProcessEncodedImageDataInjector,
InjectExtractFromConcatenatedAllDiscarded) {
SingleProcessEncodedImageDataInjector injector;
rtc::Buffer buffer1 = CreateBufferOfSizeNFilledWithValuesFromX(10, 1);
rtc::Buffer buffer2 = CreateBufferOfSizeNFilledWithValuesFromX(10, 11);
rtc::Buffer buffer3 = CreateBufferOfSizeNFilledWithValuesFromX(10, 21);
EncodedImage source1(buffer1.data(), 10, 10);
source1.SetTimestamp(123456710);
EncodedImage source2(buffer2.data(), 10, 10);
source2.SetTimestamp(123456710);
EncodedImage source3(buffer3.data(), 10, 10);
source3.SetTimestamp(123456710);
// Inject id into 3 images with same frame id.
EncodedImage intermediate1 = injector.InjectData(512, true, source1, 1);
EncodedImage intermediate2 = injector.InjectData(512, true, source2, 1);
EncodedImage intermediate3 = injector.InjectData(512, true, source3, 1);
// Concatenate them into single encoded image, like it can be done in jitter
// buffer.
size_t concatenated_length =
intermediate1.size() + intermediate2.size() + intermediate3.size();
rtc::Buffer concatenated_buffer;
concatenated_buffer.AppendData(intermediate1.data(), intermediate1.size());
concatenated_buffer.AppendData(intermediate2.data(), intermediate2.size());
concatenated_buffer.AppendData(intermediate3.data(), intermediate3.size());
EncodedImage concatenated(concatenated_buffer.data(), concatenated_length,
concatenated_length);
// Extract frame id from concatenated image
EncodedImageExtractionResult out = injector.ExtractData(concatenated, 2);
EXPECT_EQ(out.id, 512);
EXPECT_TRUE(out.discard);
EXPECT_EQ(out.image.size(), 0ul);
EXPECT_EQ(out.image.capacity(), 3 * 10ul);
}
} // namespace webrtc_pc_e2e
} // namespace webrtc
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