// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/formats/mp4/h265_annex_b_to_hevc_bitstream_converter.h"
#include <stdint.h>
#include <memory>
#include "base/files/file.h"
#include "base/path_service.h"
#include "media/formats/mp4/box_definitions.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
std::vector<uint8_t> ReadTestFile(std::string name) {
base::FilePath path;
base::PathService::Get(base::DIR_SRC_TEST_DATA_ROOT, &path);
path = path.Append(FILE_PATH_LITERAL(
"media/formats/mp4/h265_annex_b_fuzz_corpus"))
.AppendASCII(name);
base::File f(path, base::File::FLAG_OPEN | base::File::FLAG_READ);
DCHECK(f.IsValid()) << "path: " << path.AsUTF8Unsafe();
auto size = f.GetLength();
std::vector<uint8_t> result(size);
if (size > 0)
f.ReadAtCurrentPosAndCheck(result);
return result;
}
} // namespace
namespace media {
TEST(H265AnnexBToHevcBitstreamConverterTest, Success) {
std::string chunks[] = {"chunk1-config-idr.bin", "chunk2-non-idr.bin",
"chunk3-non-idr.bin", "chunk4-non-idr.bin",
"chunk5-non-idr.bin", "chunk6-config-idr.bin",
"chunk7-non-idr.bin"};
H265AnnexBToHevcBitstreamConverter converter;
for (std::string& name : chunks) {
SCOPED_TRACE(name);
auto input = ReadTestFile(name);
SCOPED_TRACE(input.size());
std::vector<uint8_t> output;
size_t desired_size = 0;
bool config_changed = false;
auto status =
converter.ConvertChunk(input, output, &config_changed, &desired_size);
ASSERT_EQ(status.code(), MP4Status::Codes::kBufferTooSmall);
output.resize(desired_size);
status = converter.ConvertChunk(input, output, &config_changed, nullptr);
EXPECT_TRUE(status.is_ok()) << status.message();
auto& config = converter.GetCurrentConfig();
if (name.find("config") != std::string::npos) {
// Chunks with configuration
EXPECT_TRUE(config_changed);
EXPECT_EQ(config.configurationVersion, 1);
EXPECT_EQ(config.general_profile_space, 0);
EXPECT_EQ(config.general_tier_flag, 0);
EXPECT_EQ(config.general_profile_idc, 1);
EXPECT_EQ(config.general_profile_compatibility_flags, 0x60000000ul);
EXPECT_EQ(config.general_constraint_indicator_flags, 0x800000000000ull);
EXPECT_EQ(config.general_level_idc, 60);
EXPECT_EQ(config.min_spatial_segmentation_idc, 0);
EXPECT_EQ(config.parallelismType, 0);
EXPECT_EQ(config.chromaFormat, 1);
EXPECT_EQ(config.bitDepthLumaMinus8, 0);
EXPECT_EQ(config.bitDepthChromaMinus8, 0);
EXPECT_EQ(config.avgFrameRate, 0);
EXPECT_EQ(config.numOfArrays, 3);
EXPECT_EQ((config.arrays[0].first_byte & 0x3f), 32);
EXPECT_EQ(config.arrays[0].units.size(), 1ul);
EXPECT_EQ((config.arrays[1].first_byte & 0x3f), 33);
EXPECT_EQ(config.arrays[1].units.size(), 1ul);
EXPECT_EQ((config.arrays[2].first_byte & 0x3f), 34);
EXPECT_EQ(config.arrays[2].units.size(), 1ul);
} else {
EXPECT_FALSE(config_changed);
}
std::vector<uint8_t> config_bin;
EXPECT_TRUE(config.Serialize(config_bin)) << " file: " << name;
}
}
// Tests that stream can contain multiple picture parameter sets and switch
// between them without having to reconfigure the decoder.
TEST(H265AnnexBToHevcBitstreamConverterTest, PPS_SwitchWithoutReconfig) {
std::vector<uint8_t> vps{0x00, 0x00, 0x00, 0x01, 0x40, 0x01, 0x0c,
0x01, 0xff, 0xff, 0x22, 0x20, 0x00, 0x00,
0x03, 0x00, 0x90, 0x00, 0x00, 0x03, 0x00,
0x00, 0x03, 0x00, 0x99, 0x2c, 0x09};
std::vector<uint8_t> sps{
0x00, 0x00, 0x00, 0x01, 0x42, 0x01, 0x01, 0x22, 0x20, 0x00, 0x00, 0x03,
0x00, 0x90, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x99, 0xa0, 0x01,
0xe0, 0x20, 0x02, 0x1c, 0x4d, 0x94, 0xbb, 0xb4, 0xa3, 0x32, 0xaa, 0xc0,
0x5a, 0x84, 0x89, 0x04, 0x8a, 0x00, 0x00, 0x07, 0xd0, 0x00, 0x01, 0x86,
0xa0, 0xe4, 0x68, 0x7c, 0x95, 0x00, 0x00, 0x89, 0x54, 0x00, 0x00, 0xf7,
0x31, 0x00, 0x00, 0x44, 0xaa, 0x00, 0x00, 0x7b, 0x98, 0x88};
std::vector<uint8_t> pps1{
0x00, 0x00, 0x00, 0x01, 0x44, 0x01, 0xc0, 0x72, 0xb0, 0x3b, 0xc4, 0x0c,
0x88, 0xc6, 0x70, 0x86, 0x18, 0x82, 0x08, 0x80, 0xc4, 0x10, 0x60, 0xa3,
0x81, 0x23, 0x02, 0x06, 0x4c, 0x7f, 0xff, 0xf2, 0x88, 0x11, 0x26, 0x4e,
0x4f, 0x27, 0xc4, 0x7e, 0x23, 0xf8, 0x8f, 0xc6, 0x7c, 0x67, 0x84, 0x38,
0x43, 0xf1, 0x03, 0x23, 0x30, 0x87, 0x08, 0x78, 0x43, 0xe1, 0x8f, 0xc1,
0x07, 0xf0, 0x51, 0xf8, 0x10, 0x3f, 0xff, 0xfc, 0xa3, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xc7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0x28, 0x82, 0x12, 0x4c, 0x9c, 0x9e, 0x4f, 0x88, 0xfc, 0x47,
0xf1, 0x1f, 0x8c, 0xf8, 0xcf, 0x08, 0x70, 0x87, 0xd6, 0x3f, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xfd, 0x55, 0x20};
std::vector<uint8_t> pps2{
0x00, 0x00, 0x00, 0x01, 0x44, 0x01, 0x50, 0x1c, 0xac, 0x0e, 0xf1, 0x03,
0x22, 0x31, 0x9c, 0x21, 0x86, 0x20, 0x82, 0x20, 0x31, 0x04, 0x18, 0x28,
0xe0, 0x48, 0xc0, 0x81, 0x93, 0x0a, 0x07, 0x20, 0x93, 0x07, 0x9c, 0x0c,
0x1f, 0x28, 0x81, 0x12, 0x64, 0xe4, 0xf2, 0x7c, 0x47, 0xe2, 0x3f, 0x88,
0xfc, 0x67, 0xc6, 0x78, 0x43, 0x84, 0x3f, 0x10, 0x32, 0x33, 0x08, 0x70,
0x87, 0x84, 0x3e, 0x18, 0xfc, 0x10, 0x7f, 0x05, 0x1f, 0x81, 0x03, 0xff,
0xff, 0xca, 0x14, 0x11, 0x26, 0x4e, 0x4f, 0x11, 0xf1, 0x1f, 0x88, 0xfe,
0x33, 0xf0, 0x87, 0xc2, 0x9f, 0xff, 0xc2, 0x81, 0x08, 0x43, 0x0a, 0x70,
0xc7, 0x85, 0x04, 0x78, 0x20, 0xfc, 0x10, 0x7f, 0x06, 0x9f, 0xff, 0xff,
0xfc, 0xa2, 0x08, 0x49, 0x32, 0x72, 0x79, 0x3e, 0x23, 0xf1, 0x1f, 0xc4,
0x7e, 0x33, 0xe3, 0x3c, 0x21, 0xc2, 0x1f, 0x58, 0x50, 0x41, 0x22, 0x31,
0x1c, 0x67, 0x8c, 0xf8, 0xcf, 0xc6, 0x7f, 0x08, 0x7f, 0xff, 0xff, 0xf5,
0x54, 0x80};
std::vector<uint8_t> first_frame_idr{
0x00, 0x00, 0x00, 0x01, 0x28, 0x01, 0xac, 0x6d, 0xa0,
0x7c, 0x96, 0x84, 0xdb, 0xcc, 0xf7, 0x4f, 0x9d, 0xf4,
0x94, 0x85, 0x37, 0x06, 0x66, 0xf8
// Encoded data omitted here, it's not important for NALU parsing
};
std::vector<uint8_t> first_chunk;
first_chunk.insert(first_chunk.end(), vps.begin(), vps.end());
first_chunk.insert(first_chunk.end(), sps.begin(), sps.end());
first_chunk.insert(first_chunk.end(), pps1.begin(), pps1.end());
first_chunk.insert(first_chunk.end(), pps2.begin(), pps2.end());
first_chunk.insert(first_chunk.end(), first_frame_idr.begin(),
first_frame_idr.end());
std::vector<uint8_t> second_non_idr_chunk{
0x00, 0x00, 0x00, 0x01, 0x02, 0x01, 0xa4, 0x04, 0x55, 0xa2, 0x6d, 0xc3,
0xc0, 0xc3, 0x3d, 0x0b, 0xac, 0xbc, 0x00, 0xc4, 0x44, 0x2e, 0xf7, 0x55,
0xfd, 0x05, 0x86, 0x92, 0x19, 0xdf, 0x58, 0xec, 0x38, 0x36, 0xb7, 0x7c,
0x00, 0x15, 0x33, 0x78, 0x03, 0x67, 0x26, 0x0f
// Encoded data omitted here, it's not important for NALU parsing
};
H265AnnexBToHevcBitstreamConverter converter;
std::vector<uint8_t> output(10000);
bool config_changed = false;
auto status =
converter.ConvertChunk(first_chunk, output, &config_changed, nullptr);
EXPECT_TRUE(status.is_ok()) << status.message();
EXPECT_TRUE(config_changed);
auto& config = converter.GetCurrentConfig();
EXPECT_EQ(config.numOfArrays, 3);
EXPECT_EQ((config.arrays[0].first_byte & 0x3f), 32);
EXPECT_EQ(config.arrays[0].units.size(), 1ul);
EXPECT_EQ((config.arrays[1].first_byte & 0x3f), 33);
EXPECT_EQ(config.arrays[1].units.size(), 1ul);
EXPECT_EQ((config.arrays[2].first_byte & 0x3f), 34);
EXPECT_EQ(config.arrays[2].units.size(), 2ul);
status = converter.ConvertChunk(second_non_idr_chunk, output, &config_changed,
nullptr);
EXPECT_TRUE(status.is_ok()) << status.message();
EXPECT_FALSE(config_changed);
}
TEST(H265AnnexBToHevcBitstreamConverterTest, Failure) {
H265AnnexBToHevcBitstreamConverter converter;
std::vector<uint8_t> input{0x0, 0x0, 0x0, 0x1, 0x40, 0x01,
0x0c, 0x0, 0x0, 0x1, 0x67, 0x42};
std::vector<uint8_t> output(input.size());
auto status = converter.ConvertChunk(input, output, nullptr, nullptr);
ASSERT_EQ(status.code(), MP4Status::Codes::kInvalidVPS);
}
} // namespace media
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