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webm/testing/parser_tests.cc
Tom Finegan cbe5c40d12 Restore original namespaces for mkvmuxer and mkvparser. 
Wrapping mkvmuxer and mkvparser in the libwebm namespace is no
longer necessary now that the tree reorganization is complete.
Put mkvmuxer and mkvparser namespaces back in the global
namespace to avoid unnecessary churn in downstream code.

Change-Id: I13a4fe0143d20bb2bb6038078c68636ff2af0c29
2016-03-21 14:41:49 -07:00

671 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 "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());
}
} // namespace test
int main(int argc, char* argv[]) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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