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webm/testing/parser_tests.cc
Frank Galligan 47f2843e79 Add parsing support for new features in CodecPrivate. 
Adds support for parsing bit depth and chroma subsampling features.

BUG=https://bugs.chromium.org/p/webm/issues/detail?id=1198

Change-Id: I8d11829f5d43a518cbe0e5c0bdd4fd37db7b6266
2016-04-27 09:27:24 -07:00

768 lines
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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 "gtest/gtest.h"
#include <array>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <iomanip>
#include <string>
#include "common/hdr_util.h"
#include "mkvparser/mkvparser.h"
#include "mkvparser/mkvreader.h"
#include "testing/test_util.h"
using mkvparser::AudioTrack;
using mkvparser::Block;
using mkvparser::BlockEntry;
using mkvparser::BlockGroup;
using mkvparser::Cluster;
using mkvparser::CuePoint;
using mkvparser::Cues;
using mkvparser::MkvReader;
using mkvparser::Segment;
using mkvparser::SegmentInfo;
using mkvparser::Track;
using mkvparser::Tracks;
using mkvparser::VideoTrack;
namespace test {
// Base class containing boiler plate stuff.
class ParserTest : public testing::Test {
public:
ParserTest() : is_reader_open_(false), segment_(NULL) {
memset(dummy_data_, -1, kFrameLength);
memset(gold_frame_, 0, kFrameLength);
}
virtual ~ParserTest() {
CloseReader();
if (segment_ != NULL) {
delete segment_;
segment_ = NULL;
}
}
void CloseReader() {
if (is_reader_open_) {
reader_.Close();
}
is_reader_open_ = false;
}
bool CreateAndLoadSegment(const std::string& filename,
int expected_doc_type_ver) {
filename_ = GetTestFilePath(filename);
if (reader_.Open(filename_.c_str())) {
return false;
}
is_reader_open_ = true;
pos_ = 0;
mkvparser::EBMLHeader ebml_header;
ebml_header.Parse(&reader_, pos_);
EXPECT_EQ(1, ebml_header.m_version);
EXPECT_EQ(1, ebml_header.m_readVersion);
EXPECT_STREQ("webm", ebml_header.m_docType);
EXPECT_EQ(expected_doc_type_ver, ebml_header.m_docTypeVersion);
EXPECT_EQ(2, ebml_header.m_docTypeReadVersion);
if (mkvparser::Segment::CreateInstance(&reader_, pos_, segment_)) {
return false;
}
return !HasFailure() && segment_->Load() >= 0;
}
bool CreateAndLoadSegment(const std::string& filename) {
return CreateAndLoadSegment(filename, 2);
}
void CompareBlockContents(const Cluster* const cluster,
const Block* const block, std::uint64_t timestamp,
int track_number, bool is_key, int frame_count) {
ASSERT_TRUE(block != NULL);
EXPECT_EQ(track_number, block->GetTrackNumber());
EXPECT_EQ(static_cast<long long>(timestamp), block->GetTime(cluster));
EXPECT_EQ(is_key, block->IsKey());
EXPECT_EQ(frame_count, block->GetFrameCount());
const Block::Frame& frame = block->GetFrame(0);
EXPECT_EQ(kFrameLength, frame.len);
std::memset(dummy_data_, -1, kFrameLength);
frame.Read(&reader_, dummy_data_);
EXPECT_EQ(0, std::memcmp(gold_frame_, dummy_data_, kFrameLength));
}
void CompareCuePointContents(const Track* const track,
const CuePoint* const cue_point,
std::uint64_t timestamp, int track_number,
std::uint64_t pos) {
ASSERT_TRUE(cue_point != NULL);
EXPECT_EQ(static_cast<long long>(timestamp), cue_point->GetTime(segment_));
const CuePoint::TrackPosition* const track_position =
cue_point->Find(track);
EXPECT_EQ(track_number, track_position->m_track);
EXPECT_EQ(static_cast<long long>(pos), track_position->m_pos);
}
bool ValidateCues() {
const mkvparser::SeekHead* const seek_head = segment_->GetSeekHead();
if (!seek_head) { // This likely means there are no cues. So don't fail.
return true;
}
long long cues_offset = -1; // NOLINT
for (int i = 0; i < seek_head->GetCount(); ++i) {
const mkvparser::SeekHead::Entry* const entry = seek_head->GetEntry(i);
if (entry->id == 0xC53BB6B) { // Cues ID as stored in Entry class.
cues_offset = entry->pos;
}
}
if (cues_offset == -1) { // No Cues found. So don't fail.
return true;
}
// Parse Cues.
long long cues_pos; // NOLINT
long cues_len; // NOLINT
if (segment_->ParseCues(cues_offset, cues_pos, cues_len)) {
fprintf(stderr, "Error: Parsing Cues failed.\n");
return false;
}
// Get a pointer to the video track if it exists. Otherwise, we assume
// that Cues are based on the first track (which is true for all our test
// files).
const mkvparser::Tracks* const tracks = segment_->GetTracks();
const mkvparser::Track* cues_track = tracks->GetTrackByIndex(0);
for (int i = 1; i < static_cast<int>(tracks->GetTracksCount()); ++i) {
const mkvparser::Track* const track = tracks->GetTrackByIndex(i);
if (track->GetType() == mkvparser::Track::kVideo) {
cues_track = track;
break;
}
}
// Iterate through Cues and verify if they are pointing to the correct
// Cluster position.
const mkvparser::Cues* const cues = segment_->GetCues();
const mkvparser::CuePoint* cue_point = NULL;
while (cues->LoadCuePoint()) {
if (!cue_point) {
cue_point = cues->GetFirst();
} else {
cue_point = cues->GetNext(cue_point);
}
const mkvparser::CuePoint::TrackPosition* const track_position =
cue_point->Find(cues_track);
const long long cluster_pos = track_position->m_pos + // NOLINT
segment_->m_start;
// If a cluster does not begin at |cluster_pos|, then the file is
// incorrect.
long length; // NOLINT
const long long id = // NOLINT
mkvparser::ReadUInt(&reader_, cluster_pos, length);
if (id != 0xF43B675) { // ID of Cluster as stored in Cluster class.
fprintf(stderr, "Error: One or more Cues are invalid.\n");
return false;
}
}
return true;
}
protected:
MkvReader reader_;
bool is_reader_open_;
Segment* segment_;
std::string filename_;
long long pos_;
std::uint8_t dummy_data_[kFrameLength];
std::uint8_t gold_frame_[kFrameLength];
};
TEST_F(ParserTest, SegmentInfo) {
ASSERT_TRUE(CreateAndLoadSegment("segment_info.webm"));
const SegmentInfo* const info = segment_->GetInfo();
EXPECT_EQ(kTimeCodeScale, info->GetTimeCodeScale());
EXPECT_STREQ(kAppString, info->GetMuxingAppAsUTF8());
EXPECT_STREQ(kAppString, info->GetWritingAppAsUTF8());
}
TEST_F(ParserTest, TrackEntries) {
ASSERT_TRUE(CreateAndLoadSegment("tracks.webm"));
const Tracks* const tracks = segment_->GetTracks();
const unsigned int kTracksCount = 2;
EXPECT_EQ(kTracksCount, tracks->GetTracksCount());
for (int i = 0; i < 2; ++i) {
const Track* const track = tracks->GetTrackByIndex(i);
ASSERT_TRUE(track != NULL);
EXPECT_STREQ(kTrackName, track->GetNameAsUTF8());
if (track->GetType() == Track::kVideo) {
const VideoTrack* const video_track =
dynamic_cast<const VideoTrack*>(track);
EXPECT_EQ(kWidth, static_cast<int>(video_track->GetWidth()));
EXPECT_EQ(kHeight, static_cast<int>(video_track->GetHeight()));
EXPECT_STREQ(kVP8CodecId, video_track->GetCodecId());
EXPECT_DOUBLE_EQ(kVideoFrameRate, video_track->GetFrameRate());
const unsigned int kTrackUid = 1;
EXPECT_EQ(kTrackUid, video_track->GetUid());
} else if (track->GetType() == Track::kAudio) {
const AudioTrack* const audio_track =
dynamic_cast<const AudioTrack*>(track);
EXPECT_EQ(kSampleRate, audio_track->GetSamplingRate());
EXPECT_EQ(kChannels, audio_track->GetChannels());
EXPECT_EQ(kBitDepth, audio_track->GetBitDepth());
EXPECT_STREQ(kVorbisCodecId, audio_track->GetCodecId());
const unsigned int kTrackUid = 2;
EXPECT_EQ(kTrackUid, audio_track->GetUid());
}
}
}
TEST_F(ParserTest, SimpleBlock) {
ASSERT_TRUE(CreateAndLoadSegment("simple_block.webm"));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
// Get the cluster
const Cluster* cluster = segment_->GetFirst();
ASSERT_TRUE(cluster != NULL);
EXPECT_FALSE(cluster->EOS());
// Get the first block
const BlockEntry* block_entry;
EXPECT_EQ(0, cluster->GetFirst(block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
CompareBlockContents(cluster, block_entry->GetBlock(), 0, kVideoTrackNumber,
false, 1);
// Get the second block
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
CompareBlockContents(cluster, block_entry->GetBlock(), 2000000,
kVideoTrackNumber, false, 1);
// End of Stream
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
ASSERT_EQ(NULL, block_entry);
cluster = segment_->GetNext(cluster);
EXPECT_TRUE(cluster->EOS());
}
TEST_F(ParserTest, MultipleClusters) {
ASSERT_TRUE(CreateAndLoadSegment("force_new_cluster.webm"));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
// Get the first cluster
const Cluster* cluster = segment_->GetFirst();
ASSERT_TRUE(cluster != NULL);
EXPECT_FALSE(cluster->EOS());
// Get the first block
const BlockEntry* block_entry;
EXPECT_EQ(0, cluster->GetFirst(block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
CompareBlockContents(cluster, block_entry->GetBlock(), 0, kVideoTrackNumber,
false, 1);
// Get the second cluster
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
EXPECT_EQ(NULL, block_entry);
cluster = segment_->GetNext(cluster);
ASSERT_TRUE(cluster != NULL);
EXPECT_FALSE(cluster->EOS());
// Get the second block
EXPECT_EQ(0, cluster->GetFirst(block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
CompareBlockContents(cluster, block_entry->GetBlock(), 2000000,
kVideoTrackNumber, false, 1);
// Get the third block
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
CompareBlockContents(cluster, block_entry->GetBlock(), 4000000,
kVideoTrackNumber, false, 1);
// Get the third cluster
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
EXPECT_EQ(NULL, block_entry);
cluster = segment_->GetNext(cluster);
ASSERT_TRUE(cluster != NULL);
EXPECT_FALSE(cluster->EOS());
// Get the fourth block
EXPECT_EQ(0, cluster->GetFirst(block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
CompareBlockContents(cluster, block_entry->GetBlock(), 6000000,
kVideoTrackNumber, false, 1);
// End of Stream
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
EXPECT_EQ(NULL, block_entry);
cluster = segment_->GetNext(cluster);
EXPECT_TRUE(cluster->EOS());
}
TEST_F(ParserTest, BlockGroup) {
ASSERT_TRUE(CreateAndLoadSegment("metadata_block.webm"));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
// Get the cluster
const Cluster* cluster = segment_->GetFirst();
ASSERT_TRUE(cluster != NULL);
EXPECT_FALSE(cluster->EOS());
// Get the first block
const BlockEntry* block_entry;
EXPECT_EQ(0, cluster->GetFirst(block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
EXPECT_EQ(BlockEntry::Kind::kBlockGroup, block_entry->GetKind());
const BlockGroup* block_group = static_cast<const BlockGroup*>(block_entry);
EXPECT_EQ(2, block_group->GetDurationTimeCode());
CompareBlockContents(cluster, block_group->GetBlock(), 0,
kMetadataTrackNumber, true, 1);
// Get the second block
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
EXPECT_EQ(BlockEntry::Kind::kBlockGroup, block_entry->GetKind());
block_group = static_cast<const BlockGroup*>(block_entry);
EXPECT_EQ(6, block_group->GetDurationTimeCode());
CompareBlockContents(cluster, block_group->GetBlock(), 2000000,
kMetadataTrackNumber, true, 1);
// End of Stream
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
EXPECT_EQ(NULL, block_entry);
cluster = segment_->GetNext(cluster);
EXPECT_TRUE(cluster->EOS());
}
TEST_F(ParserTest, Cues) {
ASSERT_TRUE(CreateAndLoadSegment("output_cues.webm"));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
const Track* const track = segment_->GetTracks()->GetTrackByIndex(0);
const Cues* const cues = segment_->GetCues();
ASSERT_TRUE(cues != NULL);
while (!cues->DoneParsing()) {
cues->LoadCuePoint();
}
EXPECT_EQ(3, cues->GetCount());
// Get first Cue Point
const CuePoint* cue_point = cues->GetFirst();
CompareCuePointContents(track, cue_point, 0, kVideoTrackNumber, 206);
// Get second Cue Point
cue_point = cues->GetNext(cue_point);
CompareCuePointContents(track, cue_point, 6000000, kVideoTrackNumber, 269);
// Get third (also last) Cue Point
cue_point = cues->GetNext(cue_point);
const CuePoint* last_cue_point = cues->GetLast();
EXPECT_TRUE(cue_point == last_cue_point);
CompareCuePointContents(track, cue_point, 4000000, kVideoTrackNumber, 269);
EXPECT_TRUE(ValidateCues());
}
TEST_F(ParserTest, CuesBeforeClusters) {
ASSERT_TRUE(CreateAndLoadSegment("cues_before_clusters.webm"));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
const Track* const track = segment_->GetTracks()->GetTrackByIndex(0);
const Cues* const cues = segment_->GetCues();
ASSERT_TRUE(cues != NULL);
while (!cues->DoneParsing()) {
cues->LoadCuePoint();
}
EXPECT_EQ(2, cues->GetCount());
// Get first Cue Point
const CuePoint* cue_point = cues->GetFirst();
CompareCuePointContents(track, cue_point, 0, kVideoTrackNumber, 238);
// Get second (also last) Cue Point
cue_point = cues->GetNext(cue_point);
const CuePoint* last_cue_point = cues->GetLast();
EXPECT_TRUE(cue_point == last_cue_point);
CompareCuePointContents(track, cue_point, 6000000, kVideoTrackNumber, 301);
EXPECT_TRUE(ValidateCues());
}
TEST_F(ParserTest, CuesTrackNumber) {
ASSERT_TRUE(CreateAndLoadSegment("set_cues_track_number.webm"));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
const Track* const track = segment_->GetTracks()->GetTrackByIndex(0);
const Cues* const cues = segment_->GetCues();
ASSERT_TRUE(cues != NULL);
while (!cues->DoneParsing()) {
cues->LoadCuePoint();
}
EXPECT_EQ(2, cues->GetCount());
// Get first Cue Point
const CuePoint* cue_point = cues->GetFirst();
CompareCuePointContents(track, cue_point, 0, 10, 206);
// Get second (also last) Cue Point
cue_point = cues->GetNext(cue_point);
const CuePoint* last_cue_point = cues->GetLast();
EXPECT_TRUE(cue_point == last_cue_point);
CompareCuePointContents(track, cue_point, 6000000, 10, 269);
EXPECT_TRUE(ValidateCues());
}
TEST_F(ParserTest, Opus) {
ASSERT_TRUE(CreateAndLoadSegment("bbb_480p_vp9_opus_1second.webm", 4));
const unsigned int kTracksCount = 2;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
// --------------------------------------------------------------------------
// Track Header validation.
const Tracks* const tracks = segment_->GetTracks();
EXPECT_EQ(kTracksCount, tracks->GetTracksCount());
for (int i = 0; i < 2; ++i) {
const Track* const track = tracks->GetTrackByIndex(i);
ASSERT_TRUE(track != NULL);
EXPECT_EQ(NULL, track->GetNameAsUTF8());
EXPECT_STREQ("und", track->GetLanguage());
EXPECT_EQ(i + 1, track->GetNumber());
EXPECT_FALSE(track->GetLacing());
if (track->GetType() == Track::kVideo) {
const VideoTrack* const video_track =
dynamic_cast<const VideoTrack*>(track);
EXPECT_EQ(854, static_cast<int>(video_track->GetWidth()));
EXPECT_EQ(480, static_cast<int>(video_track->GetHeight()));
EXPECT_STREQ(kVP9CodecId, video_track->GetCodecId());
EXPECT_DOUBLE_EQ(0., video_track->GetFrameRate());
EXPECT_EQ(41666666,
static_cast<int>(video_track->GetDefaultDuration())); // 24.000
const unsigned int kVideoUid = kVideoTrackNumber;
EXPECT_EQ(kVideoUid, video_track->GetUid());
const unsigned int kCodecDelay = 0;
EXPECT_EQ(kCodecDelay, video_track->GetCodecDelay());
const unsigned int kSeekPreRoll = 0;
EXPECT_EQ(kSeekPreRoll, video_track->GetSeekPreRoll());
size_t video_codec_private_size;
EXPECT_EQ(NULL, video_track->GetCodecPrivate(video_codec_private_size));
const unsigned int kPrivateSize = 0;
EXPECT_EQ(kPrivateSize, video_codec_private_size);
} else if (track->GetType() == Track::kAudio) {
const AudioTrack* const audio_track =
dynamic_cast<const AudioTrack*>(track);
EXPECT_EQ(48000, audio_track->GetSamplingRate());
EXPECT_EQ(6, audio_track->GetChannels());
EXPECT_EQ(32, audio_track->GetBitDepth());
EXPECT_STREQ(kOpusCodecId, audio_track->GetCodecId());
EXPECT_EQ(kAudioTrackNumber, static_cast<int>(audio_track->GetUid()));
const unsigned int kDefaultDuration = 0;
EXPECT_EQ(kDefaultDuration, audio_track->GetDefaultDuration());
EXPECT_EQ(kOpusCodecDelay, audio_track->GetCodecDelay());
EXPECT_EQ(kOpusSeekPreroll, audio_track->GetSeekPreRoll());
size_t audio_codec_private_size;
EXPECT_TRUE(audio_track->GetCodecPrivate(audio_codec_private_size) !=
NULL);
EXPECT_GE(audio_codec_private_size, kOpusPrivateDataSizeMinimum);
}
}
// --------------------------------------------------------------------------
// Parse the file to do block-level validation.
const Cluster* cluster = segment_->GetFirst();
ASSERT_TRUE(cluster != NULL);
EXPECT_FALSE(cluster->EOS());
for (; cluster != NULL && !cluster->EOS();
cluster = segment_->GetNext(cluster)) {
// Get the first block
const BlockEntry* block_entry;
EXPECT_EQ(0, cluster->GetFirst(block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
while (block_entry != NULL && !block_entry->EOS()) {
const Block* const block = block_entry->GetBlock();
ASSERT_TRUE(block != NULL);
EXPECT_FALSE(block->IsInvisible());
EXPECT_EQ(Block::kLacingNone, block->GetLacing());
const std::uint32_t track_number =
static_cast<std::uint32_t>(block->GetTrackNumber());
const Track* const track = tracks->GetTrackByNumber(track_number);
ASSERT_TRUE(track != NULL);
EXPECT_EQ(track->GetNumber(), block->GetTrackNumber());
const unsigned int kContentEncodingCount = 0;
EXPECT_EQ(kContentEncodingCount,
track->GetContentEncodingCount()); // no encryption
const std::int64_t track_type = track->GetType();
EXPECT_TRUE(track_type == Track::kVideo || track_type == Track::kAudio);
if (track_type == Track::kVideo) {
EXPECT_EQ(BlockEntry::kBlockSimple, block_entry->GetKind());
EXPECT_EQ(0, block->GetDiscardPadding());
} else {
EXPECT_TRUE(block->IsKey());
const std::int64_t kLastAudioTimecode = 1001;
const std::int64_t timecode = block->GetTimeCode(cluster);
// Only the final Opus block should have discard padding.
if (timecode == kLastAudioTimecode) {
EXPECT_EQ(BlockEntry::kBlockGroup, block_entry->GetKind());
EXPECT_EQ(13500000, block->GetDiscardPadding());
} else {
EXPECT_EQ(BlockEntry::kBlockSimple, block_entry->GetKind());
EXPECT_EQ(0, block->GetDiscardPadding());
}
}
const int frame_count = block->GetFrameCount();
const Block::Frame& frame = block->GetFrame(0);
EXPECT_EQ(1, frame_count);
EXPECT_GT(frame.len, 0);
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
}
}
ASSERT_TRUE(cluster != NULL);
EXPECT_TRUE(cluster->EOS());
}
TEST_F(ParserTest, DiscardPadding) {
// Test an artificial file with some extreme DiscardPadding values.
const std::string file = "discard_padding.webm";
ASSERT_TRUE(CreateAndLoadSegment(file, 4));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
// --------------------------------------------------------------------------
// Track Header validation.
const Tracks* const tracks = segment_->GetTracks();
EXPECT_EQ(kTracksCount, tracks->GetTracksCount());
const Track* const track = tracks->GetTrackByIndex(0);
ASSERT_TRUE(track != NULL);
EXPECT_STREQ(NULL, track->GetNameAsUTF8());
EXPECT_EQ(NULL, track->GetLanguage());
EXPECT_EQ(kAudioTrackNumber, track->GetNumber());
EXPECT_TRUE(track->GetLacing());
EXPECT_EQ(Track::kAudio, track->GetType());
const AudioTrack* const audio_track = dynamic_cast<const AudioTrack*>(track);
EXPECT_EQ(30, audio_track->GetSamplingRate());
EXPECT_EQ(2, audio_track->GetChannels());
EXPECT_STREQ(kOpusCodecId, audio_track->GetCodecId());
EXPECT_EQ(kAudioTrackNumber, static_cast<int>(audio_track->GetUid()));
const unsigned int kDefaultDuration = 0;
EXPECT_EQ(kDefaultDuration, audio_track->GetDefaultDuration());
const unsigned int kCodecDelay = 0;
EXPECT_EQ(kCodecDelay, audio_track->GetCodecDelay());
const unsigned int kSeekPreRoll = 0;
EXPECT_EQ(kSeekPreRoll, audio_track->GetSeekPreRoll());
size_t audio_codec_private_size;
EXPECT_EQ(NULL, audio_track->GetCodecPrivate(audio_codec_private_size));
const unsigned int kPrivateSize = 0;
EXPECT_EQ(kPrivateSize, audio_codec_private_size);
// --------------------------------------------------------------------------
// Parse the file to do block-level validation.
const Cluster* cluster = segment_->GetFirst();
ASSERT_TRUE(cluster != NULL);
EXPECT_FALSE(cluster->EOS());
const unsigned int kSegmentCount = 1;
EXPECT_EQ(kSegmentCount, segment_->GetCount());
// Get the first block
const BlockEntry* block_entry;
EXPECT_EQ(0, cluster->GetFirst(block_entry));
ASSERT_TRUE(block_entry != NULL);
EXPECT_FALSE(block_entry->EOS());
const std::array<int, 3> discard_padding = {{12810000, 127, -128}};
int index = 0;
while (block_entry != NULL && !block_entry->EOS()) {
const Block* const block = block_entry->GetBlock();
ASSERT_TRUE(block != NULL);
EXPECT_FALSE(block->IsInvisible());
EXPECT_EQ(Block::kLacingNone, block->GetLacing());
const std::uint32_t track_number =
static_cast<std::uint32_t>(block->GetTrackNumber());
const Track* const track = tracks->GetTrackByNumber(track_number);
ASSERT_TRUE(track != NULL);
EXPECT_EQ(track->GetNumber(), block->GetTrackNumber());
const unsigned int kContentEncodingCount = 0;
EXPECT_EQ(kContentEncodingCount,
track->GetContentEncodingCount()); // no encryption
const std::int64_t track_type = track->GetType();
EXPECT_EQ(Track::kAudio, track_type);
EXPECT_TRUE(block->IsKey());
// All blocks have DiscardPadding.
EXPECT_EQ(BlockEntry::kBlockGroup, block_entry->GetKind());
ASSERT_LT(index, static_cast<int>(discard_padding.size()));
EXPECT_EQ(discard_padding[index], block->GetDiscardPadding());
++index;
const int frame_count = block->GetFrameCount();
const Block::Frame& frame = block->GetFrame(0);
EXPECT_EQ(1, frame_count);
EXPECT_GT(frame.len, 0);
EXPECT_EQ(0, cluster->GetNext(block_entry, block_entry));
}
cluster = segment_->GetNext(cluster);
ASSERT_TRUE(cluster != NULL);
EXPECT_TRUE(cluster->EOS());
}
TEST_F(ParserTest, StereoModeParsedCorrectly) {
ASSERT_TRUE(CreateAndLoadSegment("test_stereo_left_right.webm"));
const unsigned int kTracksCount = 1;
EXPECT_EQ(kTracksCount, segment_->GetTracks()->GetTracksCount());
const VideoTrack* const video_track = dynamic_cast<const VideoTrack*>(
segment_->GetTracks()->GetTrackByIndex(0));
EXPECT_EQ(1, video_track->GetStereoMode());
EXPECT_EQ(256, video_track->GetWidth());
EXPECT_EQ(144, video_track->GetHeight());
EXPECT_EQ(128, video_track->GetDisplayWidth());
EXPECT_EQ(144, video_track->GetDisplayHeight());
}
TEST_F(ParserTest, Vp9CodecLevelTest) {
const int kCodecPrivateLength = 3;
const uint8_t good_codec_private_level[kCodecPrivateLength] = {2, 1, 11};
libwebm::Vp9CodecFeatures features;
EXPECT_TRUE(libwebm::ParseVpxCodecPrivate(&good_codec_private_level[0],
kCodecPrivateLength, &features));
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.profile);
EXPECT_EQ(11, features.level);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.bit_depth);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent,
features.chroma_subsampling);
}
TEST_F(ParserTest, Vp9CodecProfileTest) {
const int kCodecPrivateLength = 3;
const uint8_t good_codec_private_profile[kCodecPrivateLength] = {1, 1, 1};
libwebm::Vp9CodecFeatures features;
EXPECT_TRUE(libwebm::ParseVpxCodecPrivate(&good_codec_private_profile[0],
kCodecPrivateLength, &features));
EXPECT_EQ(1, features.profile);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.level);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.bit_depth);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent,
features.chroma_subsampling);
}
TEST_F(ParserTest, Vp9CodecBitDepthTest) {
const int kCodecPrivateLength = 3;
const uint8_t good_codec_private_profile[kCodecPrivateLength] = {3, 1, 8};
libwebm::Vp9CodecFeatures features;
EXPECT_TRUE(libwebm::ParseVpxCodecPrivate(&good_codec_private_profile[0],
kCodecPrivateLength, &features));
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.profile);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.level);
EXPECT_EQ(8, features.bit_depth);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent,
features.chroma_subsampling);
}
TEST_F(ParserTest, Vp9CodecChromaSubsamplingTest) {
const int kCodecPrivateLength = 3;
const uint8_t good_codec_private_profile[kCodecPrivateLength] = {4, 1, 0};
libwebm::Vp9CodecFeatures features;
EXPECT_TRUE(libwebm::ParseVpxCodecPrivate(&good_codec_private_profile[0],
kCodecPrivateLength, &features));
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.profile);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.level);
EXPECT_EQ(libwebm::Vp9CodecFeatures::kValueNotPresent, features.bit_depth);
EXPECT_EQ(0, features.chroma_subsampling);
}
TEST_F(ParserTest, Vp9CodecProfileLevelTest) {
const int kCodecPrivateLength = 6;
const uint8_t codec_private[kCodecPrivateLength] = {1, 1, 1, 2, 1, 11};
libwebm::Vp9CodecFeatures features;
EXPECT_TRUE(libwebm::ParseVpxCodecPrivate(&codec_private[0],
kCodecPrivateLength, &features));
EXPECT_EQ(1, features.profile);
EXPECT_EQ(11, features.level);
}
TEST_F(ParserTest, Vp9CodecAllTest) {
const int kCodecPrivateLength = 12;
const uint8_t codec_private[kCodecPrivateLength] = {1, 1, 1, 2, 1, 11,
3, 1, 8, 4, 1, 0};
libwebm::Vp9CodecFeatures features;
EXPECT_TRUE(libwebm::ParseVpxCodecPrivate(&codec_private[0],
kCodecPrivateLength, &features));
EXPECT_EQ(1, features.profile);
EXPECT_EQ(11, features.level);
EXPECT_EQ(8, features.bit_depth);
EXPECT_EQ(0, features.chroma_subsampling);
}
TEST_F(ParserTest, Vp9CodecPrivateBadTest) {
const int kCodecPrivateLength = 3;
libwebm::Vp9CodecFeatures features;
// Test invalid codec private data; all of these should return false.
const uint8_t bad_codec_private[kCodecPrivateLength] = {0, 0, 0};
EXPECT_FALSE(
libwebm::ParseVpxCodecPrivate(NULL, kCodecPrivateLength, &features));
EXPECT_FALSE(
libwebm::ParseVpxCodecPrivate(&bad_codec_private[0], 0, &features));
EXPECT_FALSE(libwebm::ParseVpxCodecPrivate(&bad_codec_private[0],
kCodecPrivateLength, &features));
const uint8_t good_codec_private_level[kCodecPrivateLength] = {2, 1, 11};
// Test parse of codec private chunks, but lie about length.
EXPECT_FALSE(
libwebm::ParseVpxCodecPrivate(&bad_codec_private[0], 0, &features));
EXPECT_FALSE(libwebm::ParseVpxCodecPrivate(&good_codec_private_level[0], 0,
&features));
EXPECT_FALSE(libwebm::ParseVpxCodecPrivate(&good_codec_private_level[0],
kCodecPrivateLength, NULL));
}
} // namespace test
int main(int argc, char* argv[]) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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