123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139 |
- // Copyright 2020 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 "media/formats/mp4/h264_annex_b_to_avc_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_SOURCE_ROOT, &path);
- path = path.Append(FILE_PATH_LITERAL(
- "media/formats/mp4/h264_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(H264AnnexBToAvcBitstreamConverterTest, 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", "pps_neq_sps_config_idr.bin"};
- H264AnnexBToAvcBitstreamConverter 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.version, 1);
- EXPECT_EQ(config.profile_indication, 66);
- EXPECT_EQ(config.profile_compatibility, 3);
- EXPECT_EQ(config.avc_level, 30);
- EXPECT_EQ(config.length_size, 4);
- EXPECT_EQ(config.sps_list.size(), 1ul);
- EXPECT_EQ(config.pps_list.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(H264AnnexBToAvcBitstreamConverterTest, PPS_SwitchWithoutReconfig) {
- std::vector<uint8_t> sps{0x00, 0x00, 0x00, 0x01, 0x27, 0x42, 0x00, 0x1E,
- 0x89, 0x8A, 0x12, 0x05, 0x01, 0x7F, 0xCA, 0x80};
- std::vector<uint8_t> pps1{0x00, 0x00, 0x00, 0x01, 0x28, 0xce, 0x3c, 0x80};
- std::vector<uint8_t> pps2{0x00, 0x00, 0x00, 0x01, 0x28, 0x53, 0x8f, 0x20};
- std::vector<uint8_t> pps3{0x00, 0x00, 0x00, 0x01, 0x28, 0x73, 0x8F, 0x20};
- std::vector<uint8_t> first_frame_idr{
- 0x00, 0x00, 0x00, 0x01, 0x25, 0xb4, 0x00, 0x10, 0x00, 0x24, 0xff,
- 0xff, 0xf8, 0x7a, 0x28, 0x00, 0x08, 0x0a, 0x7b, 0xdd
- // Encoded data omitted here, it's not important for NALU parsing
- };
- std::vector<uint8_t> first_chunk;
- 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(), pps3.begin(), pps3.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, 0x21, 0xd8, 0x00, 0x80, 0x04,
- 0x95, 0x9d, 0x45, 0x70, 0xd9, 0xbe, 0x21, 0xff, 0x87,
- 0x20, 0x03, 0x9c, 0x66, 0x84, 0xe1
- // Encoded data omitted here, it's not important for NALU parsing
- };
- H264AnnexBToAvcBitstreamConverter 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);
- status = converter.ConvertChunk(second_non_idr_chunk, output, &config_changed,
- nullptr);
- EXPECT_TRUE(status.is_ok()) << status.message();
- EXPECT_FALSE(config_changed);
- }
- TEST(H264AnnexBToAvcBitstreamConverterTest, Failure) {
- H264AnnexBToAvcBitstreamConverter converter;
- std::vector<uint8_t> input{0x0, 0x0, 0x0, 0x1, 0x9, 0x10,
- 0x0, 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::kInvalidSPS);
- }
- } // namespace media
|