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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/peerconnection/resolution_monitor.h"
#include "base/compiler_specific.h"
#include "base/containers/span.h"
#include "base/files/file_util.h"
#include "media/base/decoder_buffer.h"
#include "media/base/test_data_util.h"
#include "media/parsers/ivf_parser.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
namespace {
const media::VideoCodec kCodecs[] = {
media::VideoCodec::kH264,
media::VideoCodec::kVP8,
media::VideoCodec::kVP9,
media::VideoCodec::kAV1,
};
class ResolutionMonitorTestWithInvalidFrame
: public ::testing::TestWithParam<media::VideoCodec> {
protected:
std::string kInvalidData = "This is invalid data and causes a parser error";
};
TEST_P(ResolutionMonitorTestWithInvalidFrame, ReturnNullOpt) {
const media::VideoCodec codec = GetParam();
auto invalid_buffer =
media::DecoderBuffer::CopyFrom(base::as_byte_span(kInvalidData));
invalid_buffer->set_is_key_frame(true);
auto resolution_monitor = ResolutionMonitor::Create(codec);
ASSERT_TRUE(resolution_monitor);
EXPECT_FALSE(resolution_monitor->GetResolution(*invalid_buffer));
}
INSTANTIATE_TEST_SUITE_P(,
ResolutionMonitorTestWithInvalidFrame,
::testing::ValuesIn(kCodecs));
struct FrameData {
std::string file_name;
media::VideoCodec codec;
gfx::Size resolution;
};
class ResolutionMonitorTestWithValidFrame
: public ::testing::TestWithParam<FrameData> {};
TEST_P(ResolutionMonitorTestWithValidFrame, ReturnExpectedResolution) {
const auto param = GetParam();
auto buffer = media::ReadTestDataFile(param.file_name);
ASSERT_TRUE(buffer);
buffer->set_is_key_frame(true);
auto resolution_monitor = ResolutionMonitor::Create(param.codec);
ASSERT_TRUE(resolution_monitor);
EXPECT_EQ(resolution_monitor->GetResolution(*buffer), param.resolution);
}
const FrameData kH264Frames[] = {
// 320x180 because we acquire visible size here.
{"h264-320x180-frame-0", media::VideoCodec::kH264, gfx::Size(320, 180)},
{"bear-320x192-baseline-frame-0.h264", media::VideoCodec::kH264,
gfx::Size(320, 192)},
{"bear-320x192-high-frame-0.h264", media::VideoCodec::kH264, gfx::Size(320, 192)},
};
const FrameData kVP8Frames[] = {
{"vp8-I-frame-160x240", media::VideoCodec::kVP8, gfx::Size(160, 240)},
{"vp8-I-frame-320x120", media::VideoCodec::kVP8, gfx::Size(320, 120)},
{"vp8-I-frame-320x240", media::VideoCodec::kVP8, gfx::Size(320, 240)},
{"vp8-I-frame-320x480", media::VideoCodec::kVP8, gfx::Size(320, 480)},
{"vp8-I-frame-640x240", media::VideoCodec::kVP8, gfx::Size(640, 240)},
};
const FrameData kVP9Frames[] = {
{"vp9-I-frame-1280x720", media::VideoCodec::kVP9, gfx::Size(1280, 720)},
{"vp9-I-frame-320x240", media::VideoCodec::kVP9, gfx::Size(320, 240)},
};
const FrameData kAV1Frames[] = {
{"av1-I-frame-320x240", media::VideoCodec::kAV1, gfx::Size(320, 240)},
{"av1-I-frame-1280x720", media::VideoCodec::kAV1, gfx::Size(1280, 720)},
{"av1-monochrome-I-frame-320x240-8bpp", media::VideoCodec::kAV1,
gfx::Size(320, 240)},
};
INSTANTIATE_TEST_SUITE_P(H264,
ResolutionMonitorTestWithValidFrame,
::testing::ValuesIn(kH264Frames));
INSTANTIATE_TEST_SUITE_P(VP8,
ResolutionMonitorTestWithValidFrame,
::testing::ValuesIn(kVP8Frames));
INSTANTIATE_TEST_SUITE_P(VP9,
ResolutionMonitorTestWithValidFrame,
::testing::ValuesIn(kVP9Frames));
INSTANTIATE_TEST_SUITE_P(AV1,
ResolutionMonitorTestWithValidFrame,
::testing::ValuesIn(kAV1Frames));
std::vector<scoped_refptr<media::DecoderBuffer>> ReadIVF(const std::string& fname) {
std::string ivf_data;
auto input_file = media::GetTestDataFilePath(fname);
EXPECT_TRUE(base::ReadFileToString(input_file, &ivf_data));
media::IvfParser ivf_parser;
media::IvfFileHeader ivf_header{};
EXPECT_TRUE(
ivf_parser.Initialize(reinterpret_cast<const uint8_t*>(ivf_data.data()),
ivf_data.size(), &ivf_header));
std::vector<scoped_refptr<media::DecoderBuffer>> buffers;
media::IvfFrameHeader ivf_frame_header{};
const uint8_t* data;
while (ivf_parser.ParseNextFrame(&ivf_frame_header, &data)) {
buffers.push_back(media::DecoderBuffer::CopyFrom(
// TODO(crbug.com/40284755): Spanify `ParseNextFrame`.
UNSAFE_TODO(base::span(data, ivf_frame_header.frame_size))));
}
return buffers;
}
struct VideoData {
std::string file_name;
media::VideoCodec codec;
gfx::Size resolution;
};
class ResolutionMonitorTestWithValidVideo
: public ::testing::TestWithParam<VideoData> {};
TEST_P(ResolutionMonitorTestWithValidVideo, ReturnExpectedResolution) {
const auto param = GetParam();
auto buffers = ReadIVF(param.file_name);
buffers[0]->set_is_key_frame(true);
auto resolution_monitor = ResolutionMonitor::Create(param.codec);
ASSERT_TRUE(resolution_monitor);
for (const auto& buffer : buffers) {
EXPECT_EQ(resolution_monitor->GetResolution(*buffer), param.resolution);
}
}
const VideoData kVP8Videos[] = {
{"test-25fps.vp8", media::VideoCodec::kVP8, gfx::Size(320, 240)},
{"bear-1280x720.ivf", media::VideoCodec::kVP8, gfx::Size(1280, 720)},
};
const VideoData kVP9Videos[] = {
{"test-25fps.vp9", media::VideoCodec::kVP9, gfx::Size(320, 240)},
{"test-25fps.vp9_2", media::VideoCodec::kVP9, gfx::Size(320, 240)},
{"bear-vp9.ivf", media::VideoCodec::kVP9, gfx::Size(320, 240)},
};
const VideoData kAV1Videos[] = {
{"test-25fps.av1.ivf", media::VideoCodec::kAV1, gfx::Size(320, 240)},
{"av1-show_existing_frame.ivf", media::VideoCodec::kAV1, gfx::Size(208, 144)},
{"av1-svc-L1T2.ivf", media::VideoCodec::kAV1, gfx::Size(640, 360)},
};
INSTANTIATE_TEST_SUITE_P(VP8,
ResolutionMonitorTestWithValidVideo,
::testing::ValuesIn(kVP8Videos));
INSTANTIATE_TEST_SUITE_P(VP9,
ResolutionMonitorTestWithValidVideo,
::testing::ValuesIn(kVP9Videos));
INSTANTIATE_TEST_SUITE_P(AV1,
ResolutionMonitorTestWithValidVideo,
::testing::ValuesIn(kAV1Videos));
TEST(ResolutionMonitorTestWithTruncatedH264, ZeroLengthNalUnit) {
auto resolution_monitor = ResolutionMonitor::Create(media::VideoCodec::kH264);
ASSERT_TRUE(resolution_monitor);
const uint8_t invalid_data[] = {
0x00, 0x00, 0x00, 0x01, // Just a NAL header.
0x00, 0x00, 0x00, 0x01,
0x68, // PPS since FindNaluIndices does not like just an empty NAL
// header.
};
auto invalid_buffer = media::DecoderBuffer::CopyFrom(invalid_data);
invalid_buffer->set_is_key_frame(true);
EXPECT_EQ(resolution_monitor->GetResolution(*invalid_buffer), std::nullopt);
}
TEST(ResolutionMonitorTestWithTruncatedH264, IncompleteSps) {
auto resolution_monitor = ResolutionMonitor::Create(media::VideoCodec::kH264);
ASSERT_TRUE(resolution_monitor);
const uint8_t invalid_data[] = {
0x00, 0x00, 0x00, 0x01, 0x67, // NAL header and type but no content.
};
auto invalid_buffer = media::DecoderBuffer::CopyFrom(invalid_data);
invalid_buffer->set_is_key_frame(true);
EXPECT_EQ(resolution_monitor->GetResolution(*invalid_buffer), std::nullopt);
}
} // namespace
} // namespace blink
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