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// Copyright (c) 2016 The WebM 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 "common/vp9_header_parser.h"
#include <new>
#include <string>
#include "gtest/gtest.h"
#include "common/hdr_util.h"
#include "mkvparser/mkvparser.h"
#include "mkvparser/mkvreader.h"
#include "testing/test_util.h"
namespace {
class Vp9HeaderParserTests : public ::testing::Test {
public:
Vp9HeaderParserTests() : is_reader_open_(false), segment_(NULL) {}
~Vp9HeaderParserTests() override {
CloseReader();
if (segment_ != NULL) {
delete segment_;
segment_ = NULL;
}
}
void CloseReader() {
if (is_reader_open_) {
reader_.Close();
}
is_reader_open_ = false;
}
void CreateAndLoadSegment(const std::string& filename,
int expected_doc_type_ver) {
filename_ = test::GetTestFilePath(filename);
ASSERT_EQ(0, reader_.Open(filename_.c_str()));
is_reader_open_ = true;
pos_ = 0;
mkvparser::EBMLHeader ebml_header;
ebml_header.Parse(&reader_, pos_);
ASSERT_EQ(1, ebml_header.m_version);
ASSERT_EQ(1, ebml_header.m_readVersion);
ASSERT_STREQ("webm", ebml_header.m_docType);
ASSERT_EQ(expected_doc_type_ver, ebml_header.m_docTypeVersion);
ASSERT_EQ(2, ebml_header.m_docTypeReadVersion);
ASSERT_EQ(0, mkvparser::Segment::CreateInstance(&reader_, pos_, segment_));
ASSERT_FALSE(HasFailure());
ASSERT_GE(0, segment_->Load());
}
void CreateAndLoadSegment(const std::string& filename) {
CreateAndLoadSegment(filename, 4);
}
// Load a corrupted segment with no expectation of correctness.
void CreateAndLoadInvalidSegment(const std::string& filename) {
filename_ = test::GetTestFilePath(filename);
ASSERT_EQ(0, reader_.Open(filename_.c_str()));
is_reader_open_ = true;
pos_ = 0;
mkvparser::EBMLHeader ebml_header;
ebml_header.Parse(&reader_, pos_);
ASSERT_EQ(0, mkvparser::Segment::CreateInstance(&reader_, pos_, segment_));
ASSERT_GE(0, segment_->Load());
}
void ProcessTheFrames(bool invalid_bitstream) {
unsigned char* data = NULL;
size_t data_len = 0;
const mkvparser::Tracks* const parser_tracks = segment_->GetTracks();
ASSERT_TRUE(parser_tracks != NULL);
const mkvparser::Cluster* cluster = segment_->GetFirst();
ASSERT_TRUE(cluster != NULL);
while ((cluster != NULL) && !cluster->EOS()) {
const mkvparser::BlockEntry* block_entry;
long status = cluster->GetFirst(block_entry); // NOLINT
ASSERT_EQ(0, status);
while ((block_entry != NULL) && !block_entry->EOS()) {
const mkvparser::Block* const block = block_entry->GetBlock();
ASSERT_TRUE(block != NULL);
const long long trackNum = block->GetTrackNumber(); // NOLINT
const mkvparser::Track* const parser_track =
parser_tracks->GetTrackByNumber(
static_cast<unsigned long>(trackNum)); // NOLINT
ASSERT_TRUE(parser_track != NULL);
const long long track_type = parser_track->GetType(); // NOLINT
if (track_type == mkvparser::Track::kVideo) {
const int frame_count = block->GetFrameCount();
for (int i = 0; i < frame_count; ++i) {
const mkvparser::Block::Frame& frame = block->GetFrame(i);
if (static_cast<size_t>(frame.len) > data_len) {
delete[] data;
data = new (std::nothrow) unsigned char[frame.len];
ASSERT_TRUE(data != NULL);
data_len = static_cast<size_t>(frame.len);
}
ASSERT_FALSE(frame.Read(&reader_, data));
ASSERT_EQ(parser_.ParseUncompressedHeader(data, data_len),
!invalid_bitstream);
}
}
status = cluster->GetNext(block_entry, block_entry);
ASSERT_EQ(0, status);
}
cluster = segment_->GetNext(cluster);
}
delete[] data;
}
protected:
mkvparser::MkvReader reader_;
bool is_reader_open_;
mkvparser::Segment* segment_;
std::string filename_;
long long pos_; // NOLINT
vp9_parser::Vp9HeaderParser parser_;
};
TEST_F(Vp9HeaderParserTests, VideoOnlyFile) {
ASSERT_NO_FATAL_FAILURE(CreateAndLoadSegment("test_stereo_left_right.webm"));
ProcessTheFrames(false);
EXPECT_EQ(256, parser_.width());
EXPECT_EQ(144, parser_.height());
EXPECT_EQ(1, parser_.column_tiles());
EXPECT_EQ(0, parser_.frame_parallel_mode());
}
TEST_F(Vp9HeaderParserTests, Muxed) {
ASSERT_NO_FATAL_FAILURE(
CreateAndLoadSegment("bbb_480p_vp9_opus_1second.webm", 4));
ProcessTheFrames(false);
EXPECT_EQ(854, parser_.width());
EXPECT_EQ(480, parser_.height());
EXPECT_EQ(2, parser_.column_tiles());
EXPECT_EQ(1, parser_.frame_parallel_mode());
}
TEST_F(Vp9HeaderParserTests, Invalid) {
const char* files[] = {
"invalid/invalid_vp9_bitstream-bug_1416.webm",
"invalid/invalid_vp9_bitstream-bug_1417.webm",
};
for (int i = 0; i < static_cast<int>(sizeof(files) / sizeof(files[0])); ++i) {
SCOPED_TRACE(files[i]);
ASSERT_NO_FATAL_FAILURE(CreateAndLoadInvalidSegment(files[i]));
ProcessTheFrames(true);
CloseReader();
delete segment_;
segment_ = NULL;
}
}
TEST_F(Vp9HeaderParserTests, API) {
vp9_parser::Vp9HeaderParser parser;
uint8_t data;
EXPECT_FALSE(parser.ParseUncompressedHeader(NULL, 0));
EXPECT_FALSE(parser.ParseUncompressedHeader(NULL, 10));
EXPECT_FALSE(parser.ParseUncompressedHeader(&data, 0));
}
} // namespace
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