Revert "third_party: Roll libwebm snapshot."

This reverts commit 80ddeb281a0d4b3d9a6d39a7ef91370f52845b39.

breaks Android build and causes valgrind failures in the examples

Change-Id: Ie13ceed2f9f8970af87339b807032a52083f27fe

1 files changed, 0 insertions, 1112 deletions

diff --git a/third_party/libwebm/mkvparser/mkvparser.h b/third_party/libwebm/mkvparser/mkvparser.h
deleted file mode 100644
index a7671944a..000000000
--- a/third_party/libwebm/mkvparser/mkvparser.h
+++ /dev/null
@@ -1,1112 +0,0 @@
-// Copyright (c) 2012 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.
-#ifndef MKVPARSER_MKVPARSER_H_
-#define MKVPARSER_MKVPARSER_H_
-
-#include <cstddef>
-
-namespace mkvparser {
-
-const int E_PARSE_FAILED = -1;
-const int E_FILE_FORMAT_INVALID = -2;
-const int E_BUFFER_NOT_FULL = -3;
-
-class IMkvReader {
- public:
-  virtual int Read(long long pos, long len, unsigned char* buf) = 0;
-  virtual int Length(long long* total, long long* available) = 0;
-
- protected:
-  virtual ~IMkvReader();
-};
-
-template <typename Type>
-Type* SafeArrayAlloc(unsigned long long num_elements,
-                     unsigned long long element_size);
-long long GetUIntLength(IMkvReader*, long long, long&);
-long long ReadUInt(IMkvReader*, long long, long&);
-long long ReadID(IMkvReader* pReader, long long pos, long& len);
-long long UnserializeUInt(IMkvReader*, long long pos, long long size);
-
-long UnserializeFloat(IMkvReader*, long long pos, long long size, double&);
-long UnserializeInt(IMkvReader*, long long pos, long long size,
-                    long long& result);
-
-long UnserializeString(IMkvReader*, long long pos, long long size, char*& str);
-
-long ParseElementHeader(IMkvReader* pReader,
-                        long long& pos,  // consume id and size fields
-                        long long stop,  // if you know size of element's parent
-                        long long& id, long long& size);
-
-bool Match(IMkvReader*, long long&, unsigned long, long long&);
-bool Match(IMkvReader*, long long&, unsigned long, unsigned char*&, size_t&);
-
-void GetVersion(int& major, int& minor, int& build, int& revision);
-
-struct EBMLHeader {
-  EBMLHeader();
-  ~EBMLHeader();
-  long long m_version;
-  long long m_readVersion;
-  long long m_maxIdLength;
-  long long m_maxSizeLength;
-  char* m_docType;
-  long long m_docTypeVersion;
-  long long m_docTypeReadVersion;
-
-  long long Parse(IMkvReader*, long long&);
-  void Init();
-};
-
-class Segment;
-class Track;
-class Cluster;
-
-class Block {
-  Block(const Block&);
-  Block& operator=(const Block&);
-
- public:
-  const long long m_start;
-  const long long m_size;
-
-  Block(long long start, long long size, long long discard_padding);
-  ~Block();
-
-  long Parse(const Cluster*);
-
-  long long GetTrackNumber() const;
-  long long GetTimeCode(const Cluster*) const;  // absolute, but not scaled
-  long long GetTime(const Cluster*) const;  // absolute, and scaled (ns)
-  bool IsKey() const;
-  void SetKey(bool);
-  bool IsInvisible() const;
-
-  enum Lacing { kLacingNone, kLacingXiph, kLacingFixed, kLacingEbml };
-  Lacing GetLacing() const;
-
-  int GetFrameCount() const;  // to index frames: [0, count)
-
-  struct Frame {
-    long long pos;  // absolute offset
-    long len;
-
-    long Read(IMkvReader*, unsigned char*) const;
-  };
-
-  const Frame& GetFrame(int frame_index) const;
-
-  long long GetDiscardPadding() const;
-
- private:
-  long long m_track;  // Track::Number()
-  short m_timecode;  // relative to cluster
-  unsigned char m_flags;
-
-  Frame* m_frames;
-  int m_frame_count;
-
- protected:
-  const long long m_discard_padding;
-};
-
-class BlockEntry {
-  BlockEntry(const BlockEntry&);
-  BlockEntry& operator=(const BlockEntry&);
-
- protected:
-  BlockEntry(Cluster*, long index);
-
- public:
-  virtual ~BlockEntry();
-
-  bool EOS() const;
-  const Cluster* GetCluster() const;
-  long GetIndex() const;
-  virtual const Block* GetBlock() const = 0;
-
-  enum Kind { kBlockEOS, kBlockSimple, kBlockGroup };
-  virtual Kind GetKind() const = 0;
-
- protected:
-  Cluster* const m_pCluster;
-  const long m_index;
-};
-
-class SimpleBlock : public BlockEntry {
-  SimpleBlock(const SimpleBlock&);
-  SimpleBlock& operator=(const SimpleBlock&);
-
- public:
-  SimpleBlock(Cluster*, long index, long long start, long long size);
-  long Parse();
-
-  Kind GetKind() const;
-  const Block* GetBlock() const;
-
- protected:
-  Block m_block;
-};
-
-class BlockGroup : public BlockEntry {
-  BlockGroup(const BlockGroup&);
-  BlockGroup& operator=(const BlockGroup&);
-
- public:
-  BlockGroup(Cluster*, long index,
-             long long block_start,  // absolute pos of block's payload
-             long long block_size,  // size of block's payload
-             long long prev, long long next, long long duration,
-             long long discard_padding);
-
-  long Parse();
-
-  Kind GetKind() const;
-  const Block* GetBlock() const;
-
-  long long GetPrevTimeCode() const;  // relative to block's time
-  long long GetNextTimeCode() const;  // as above
-  long long GetDurationTimeCode() const;
-
- private:
-  Block m_block;
-  const long long m_prev;
-  const long long m_next;
-  const long long m_duration;
-};
-
-///////////////////////////////////////////////////////////////
-// ContentEncoding element
-// Elements used to describe if the track data has been encrypted or
-// compressed with zlib or header stripping.
-class ContentEncoding {
- public:
-  enum { kCTR = 1 };
-
-  ContentEncoding();
-  ~ContentEncoding();
-
-  // ContentCompression element names
-  struct ContentCompression {
-    ContentCompression();
-    ~ContentCompression();
-
-    unsigned long long algo;
-    unsigned char* settings;
-    long long settings_len;
-  };
-
-  // ContentEncAESSettings element names
-  struct ContentEncAESSettings {
-    ContentEncAESSettings() : cipher_mode(kCTR) {}
-    ~ContentEncAESSettings() {}
-
-    unsigned long long cipher_mode;
-  };
-
-  // ContentEncryption element names
-  struct ContentEncryption {
-    ContentEncryption();
-    ~ContentEncryption();
-
-    unsigned long long algo;
-    unsigned char* key_id;
-    long long key_id_len;
-    unsigned char* signature;
-    long long signature_len;
-    unsigned char* sig_key_id;
-    long long sig_key_id_len;
-    unsigned long long sig_algo;
-    unsigned long long sig_hash_algo;
-
-    ContentEncAESSettings aes_settings;
-  };
-
-  // Returns ContentCompression represented by |idx|. Returns NULL if |idx|
-  // is out of bounds.
-  const ContentCompression* GetCompressionByIndex(unsigned long idx) const;
-
-  // Returns number of ContentCompression elements in this ContentEncoding
-  // element.
-  unsigned long GetCompressionCount() const;
-
-  // Parses the ContentCompression element from |pReader|. |start| is the
-  // starting offset of the ContentCompression payload. |size| is the size in
-  // bytes of the ContentCompression payload. |compression| is where the parsed
-  // values will be stored.
-  long ParseCompressionEntry(long long start, long long size,
-                             IMkvReader* pReader,
-                             ContentCompression* compression);
-
-  // Returns ContentEncryption represented by |idx|. Returns NULL if |idx|
-  // is out of bounds.
-  const ContentEncryption* GetEncryptionByIndex(unsigned long idx) const;
-
-  // Returns number of ContentEncryption elements in this ContentEncoding
-  // element.
-  unsigned long GetEncryptionCount() const;
-
-  // Parses the ContentEncAESSettings element from |pReader|. |start| is the
-  // starting offset of the ContentEncAESSettings payload. |size| is the
-  // size in bytes of the ContentEncAESSettings payload. |encryption| is
-  // where the parsed values will be stored.
-  long ParseContentEncAESSettingsEntry(long long start, long long size,
-                                       IMkvReader* pReader,
-                                       ContentEncAESSettings* aes);
-
-  // Parses the ContentEncoding element from |pReader|. |start| is the
-  // starting offset of the ContentEncoding payload. |size| is the size in
-  // bytes of the ContentEncoding payload. Returns true on success.
-  long ParseContentEncodingEntry(long long start, long long size,
-                                 IMkvReader* pReader);
-
-  // Parses the ContentEncryption element from |pReader|. |start| is the
-  // starting offset of the ContentEncryption payload. |size| is the size in
-  // bytes of the ContentEncryption payload. |encryption| is where the parsed
-  // values will be stored.
-  long ParseEncryptionEntry(long long start, long long size,
-                            IMkvReader* pReader, ContentEncryption* encryption);
-
-  unsigned long long encoding_order() const { return encoding_order_; }
-  unsigned long long encoding_scope() const { return encoding_scope_; }
-  unsigned long long encoding_type() const { return encoding_type_; }
-
- private:
-  // Member variables for list of ContentCompression elements.
-  ContentCompression** compression_entries_;
-  ContentCompression** compression_entries_end_;
-
-  // Member variables for list of ContentEncryption elements.
-  ContentEncryption** encryption_entries_;
-  ContentEncryption** encryption_entries_end_;
-
-  // ContentEncoding element names
-  unsigned long long encoding_order_;
-  unsigned long long encoding_scope_;
-  unsigned long long encoding_type_;
-
-  // LIBWEBM_DISALLOW_COPY_AND_ASSIGN(ContentEncoding);
-  ContentEncoding(const ContentEncoding&);
-  ContentEncoding& operator=(const ContentEncoding&);
-};
-
-class Track {
-  Track(const Track&);
-  Track& operator=(const Track&);
-
- public:
-  class Info;
-  static long Create(Segment*, const Info&, long long element_start,
-                     long long element_size, Track*&);
-
-  enum Type { kVideo = 1, kAudio = 2, kSubtitle = 0x11, kMetadata = 0x21 };
-
-  Segment* const m_pSegment;
-  const long long m_element_start;
-  const long long m_element_size;
-  virtual ~Track();
-
-  long GetType() const;
-  long GetNumber() const;
-  unsigned long long GetUid() const;
-  const char* GetNameAsUTF8() const;
-  const char* GetLanguage() const;
-  const char* GetCodecNameAsUTF8() const;
-  const char* GetCodecId() const;
-  const unsigned char* GetCodecPrivate(size_t&) const;
-  bool GetLacing() const;
-  unsigned long long GetDefaultDuration() const;
-  unsigned long long GetCodecDelay() const;
-  unsigned long long GetSeekPreRoll() const;
-
-  const BlockEntry* GetEOS() const;
-
-  struct Settings {
-    long long start;
-    long long size;
-  };
-
-  class Info {
-   public:
-    Info();
-    ~Info();
-    int Copy(Info&) const;
-    void Clear();
-    long type;
-    long number;
-    unsigned long long uid;
-    unsigned long long defaultDuration;
-    unsigned long long codecDelay;
-    unsigned long long seekPreRoll;
-    char* nameAsUTF8;
-    char* language;
-    char* codecId;
-    char* codecNameAsUTF8;
-    unsigned char* codecPrivate;
-    size_t codecPrivateSize;
-    bool lacing;
-    Settings settings;
-
-   private:
-    Info(const Info&);
-    Info& operator=(const Info&);
-    int CopyStr(char* Info::*str, Info&) const;
-  };
-
-  long GetFirst(const BlockEntry*&) const;
-  long GetNext(const BlockEntry* pCurr, const BlockEntry*& pNext) const;
-  virtual bool VetEntry(const BlockEntry*) const;
-  virtual long Seek(long long time_ns, const BlockEntry*&) const;
-
-  const ContentEncoding* GetContentEncodingByIndex(unsigned long idx) const;
-  unsigned long GetContentEncodingCount() const;
-
-  long ParseContentEncodingsEntry(long long start, long long size);
-
- protected:
-  Track(Segment*, long long element_start, long long element_size);
-
-  Info m_info;
-
-  class EOSBlock : public BlockEntry {
-   public:
-    EOSBlock();
-
-    Kind GetKind() const;
-    const Block* GetBlock() const;
-  };
-
-  EOSBlock m_eos;
-
- private:
-  ContentEncoding** content_encoding_entries_;
-  ContentEncoding** content_encoding_entries_end_;
-};
-
-struct PrimaryChromaticity {
-  PrimaryChromaticity() : x(0), y(0) {}
-  ~PrimaryChromaticity() {}
-  static bool Parse(IMkvReader* reader, long long read_pos,
-                    long long value_size, bool is_x,
-                    PrimaryChromaticity** chromaticity);
-  double x;
-  double y;
-};
-
-struct MasteringMetadata {
-  static const double kValueNotPresent;
-
-  MasteringMetadata()
-      : r(NULL),
-        g(NULL),
-        b(NULL),
-        white_point(NULL),
-        luminance_max(kValueNotPresent),
-        luminance_min(kValueNotPresent) {}
-  ~MasteringMetadata() {
-    delete r;
-    delete g;
-    delete b;
-    delete white_point;
-  }
-
-  static bool Parse(IMkvReader* reader, long long element_start,
-                    long long element_size,
-                    MasteringMetadata** mastering_metadata);
-
-  PrimaryChromaticity* r;
-  PrimaryChromaticity* g;
-  PrimaryChromaticity* b;
-  PrimaryChromaticity* white_point;
-  double luminance_max;
-  double luminance_min;
-};
-
-struct Colour {
-  static const long long kValueNotPresent;
-
-  // Unless otherwise noted all values assigned upon construction are the
-  // equivalent of unspecified/default.
-  Colour()
-      : matrix_coefficients(kValueNotPresent),
-        bits_per_channel(kValueNotPresent),
-        chroma_subsampling_horz(kValueNotPresent),
-        chroma_subsampling_vert(kValueNotPresent),
-        cb_subsampling_horz(kValueNotPresent),
-        cb_subsampling_vert(kValueNotPresent),
-        chroma_siting_horz(kValueNotPresent),
-        chroma_siting_vert(kValueNotPresent),
-        range(kValueNotPresent),
-        transfer_characteristics(kValueNotPresent),
-        primaries(kValueNotPresent),
-        max_cll(kValueNotPresent),
-        max_fall(kValueNotPresent),
-        mastering_metadata(NULL) {}
-  ~Colour() {
-    delete mastering_metadata;
-    mastering_metadata = NULL;
-  }
-
-  static bool Parse(IMkvReader* reader, long long element_start,
-                    long long element_size, Colour** colour);
-
-  long long matrix_coefficients;
-  long long bits_per_channel;
-  long long chroma_subsampling_horz;
-  long long chroma_subsampling_vert;
-  long long cb_subsampling_horz;
-  long long cb_subsampling_vert;
-  long long chroma_siting_horz;
-  long long chroma_siting_vert;
-  long long range;
-  long long transfer_characteristics;
-  long long primaries;
-  long long max_cll;
-  long long max_fall;
-
-  MasteringMetadata* mastering_metadata;
-};
-
-class VideoTrack : public Track {
-  VideoTrack(const VideoTrack&);
-  VideoTrack& operator=(const VideoTrack&);
-
-  VideoTrack(Segment*, long long element_start, long long element_size);
-
- public:
-  virtual ~VideoTrack();
-  static long Parse(Segment*, const Info&, long long element_start,
-                    long long element_size, VideoTrack*&);
-
-  long long GetWidth() const;
-  long long GetHeight() const;
-  long long GetDisplayWidth() const;
-  long long GetDisplayHeight() const;
-  long long GetDisplayUnit() const;
-  long long GetStereoMode() const;
-  double GetFrameRate() const;
-
-  bool VetEntry(const BlockEntry*) const;
-  long Seek(long long time_ns, const BlockEntry*&) const;
-
-  Colour* GetColour() const;
-
- private:
-  long long m_width;
-  long long m_height;
-  long long m_display_width;
-  long long m_display_height;
-  long long m_display_unit;
-  long long m_stereo_mode;
-
-  double m_rate;
-
-  Colour* m_colour;
-};
-
-class AudioTrack : public Track {
-  AudioTrack(const AudioTrack&);
-  AudioTrack& operator=(const AudioTrack&);
-
-  AudioTrack(Segment*, long long element_start, long long element_size);
-
- public:
-  static long Parse(Segment*, const Info&, long long element_start,
-                    long long element_size, AudioTrack*&);
-
-  double GetSamplingRate() const;
-  long long GetChannels() const;
-  long long GetBitDepth() const;
-
- private:
-  double m_rate;
-  long long m_channels;
-  long long m_bitDepth;
-};
-
-class Tracks {
-  Tracks(const Tracks&);
-  Tracks& operator=(const Tracks&);
-
- public:
-  Segment* const m_pSegment;
-  const long long m_start;
-  const long long m_size;
-  const long long m_element_start;
-  const long long m_element_size;
-
-  Tracks(Segment*, long long start, long long size, long long element_start,
-         long long element_size);
-
-  ~Tracks();
-
-  long Parse();
-
-  unsigned long GetTracksCount() const;
-
-  const Track* GetTrackByNumber(long tn) const;
-  const Track* GetTrackByIndex(unsigned long idx) const;
-
- private:
-  Track** m_trackEntries;
-  Track** m_trackEntriesEnd;
-
-  long ParseTrackEntry(long long payload_start, long long payload_size,
-                       long long element_start, long long element_size,
-                       Track*&) const;
-};
-
-class Chapters {
-  Chapters(const Chapters&);
-  Chapters& operator=(const Chapters&);
-
- public:
-  Segment* const m_pSegment;
-  const long long m_start;
-  const long long m_size;
-  const long long m_element_start;
-  const long long m_element_size;
-
-  Chapters(Segment*, long long payload_start, long long payload_size,
-           long long element_start, long long element_size);
-
-  ~Chapters();
-
-  long Parse();
-
-  class Atom;
-  class Edition;
-
-  class Display {
-    friend class Atom;
-    Display();
-    Display(const Display&);
-    ~Display();
-    Display& operator=(const Display&);
-
-   public:
-    const char* GetString() const;
-    const char* GetLanguage() const;
-    const char* GetCountry() const;
-
-   private:
-    void Init();
-    void ShallowCopy(Display&) const;
-    void Clear();
-    long Parse(IMkvReader*, long long pos, long long size);
-
-    char* m_string;
-    char* m_language;
-    char* m_country;
-  };
-
-  class Atom {
-    friend class Edition;
-    Atom();
-    Atom(const Atom&);
-    ~Atom();
-    Atom& operator=(const Atom&);
-
-   public:
-    unsigned long long GetUID() const;
-    const char* GetStringUID() const;
-
-    long long GetStartTimecode() const;
-    long long GetStopTimecode() const;
-
-    long long GetStartTime(const Chapters*) const;
-    long long GetStopTime(const Chapters*) const;
-
-    int GetDisplayCount() const;
-    const Display* GetDisplay(int index) const;
-
-   private:
-    void Init();
-    void ShallowCopy(Atom&) const;
-    void Clear();
-    long Parse(IMkvReader*, long long pos, long long size);
-    static long long GetTime(const Chapters*, long long timecode);
-
-    long ParseDisplay(IMkvReader*, long long pos, long long size);
-    bool ExpandDisplaysArray();
-
-    char* m_string_uid;
-    unsigned long long m_uid;
-    long long m_start_timecode;
-    long long m_stop_timecode;
-
-    Display* m_displays;
-    int m_displays_size;
-    int m_displays_count;
-  };
-
-  class Edition {
-    friend class Chapters;
-    Edition();
-    Edition(const Edition&);
-    ~Edition();
-    Edition& operator=(const Edition&);
-
-   public:
-    int GetAtomCount() const;
-    const Atom* GetAtom(int index) const;
-
-   private:
-    void Init();
-    void ShallowCopy(Edition&) const;
-    void Clear();
-    long Parse(IMkvReader*, long long pos, long long size);
-
-    long ParseAtom(IMkvReader*, long long pos, long long size);
-    bool ExpandAtomsArray();
-
-    Atom* m_atoms;
-    int m_atoms_size;
-    int m_atoms_count;
-  };
-
-  int GetEditionCount() const;
-  const Edition* GetEdition(int index) const;
-
- private:
-  long ParseEdition(long long pos, long long size);
-  bool ExpandEditionsArray();
-
-  Edition* m_editions;
-  int m_editions_size;
-  int m_editions_count;
-};
-
-class Tags {
-  Tags(const Tags&);
-  Tags& operator=(const Tags&);
-
- public:
-  Segment* const m_pSegment;
-  const long long m_start;
-  const long long m_size;
-  const long long m_element_start;
-  const long long m_element_size;
-
-  Tags(Segment*, long long payload_start, long long payload_size,
-       long long element_start, long long element_size);
-
-  ~Tags();
-
-  long Parse();
-
-  class Tag;
-  class SimpleTag;
-
-  class SimpleTag {
-    friend class Tag;
-    SimpleTag();
-    SimpleTag(const SimpleTag&);
-    ~SimpleTag();
-    SimpleTag& operator=(const SimpleTag&);
-
-   public:
-    const char* GetTagName() const;
-    const char* GetTagString() const;
-
-   private:
-    void Init();
-    void ShallowCopy(SimpleTag&) const;
-    void Clear();
-    long Parse(IMkvReader*, long long pos, long long size);
-
-    char* m_tag_name;
-    char* m_tag_string;
-  };
-
-  class Tag {
-    friend class Tags;
-    Tag();
-    Tag(const Tag&);
-    ~Tag();
-    Tag& operator=(const Tag&);
-
-   public:
-    int GetSimpleTagCount() const;
-    const SimpleTag* GetSimpleTag(int index) const;
-
-   private:
-    void Init();
-    void ShallowCopy(Tag&) const;
-    void Clear();
-    long Parse(IMkvReader*, long long pos, long long size);
-
-    long ParseSimpleTag(IMkvReader*, long long pos, long long size);
-    bool ExpandSimpleTagsArray();
-
-    SimpleTag* m_simple_tags;
-    int m_simple_tags_size;
-    int m_simple_tags_count;
-  };
-
-  int GetTagCount() const;
-  const Tag* GetTag(int index) const;
-
- private:
-  long ParseTag(long long pos, long long size);
-  bool ExpandTagsArray();
-
-  Tag* m_tags;
-  int m_tags_size;
-  int m_tags_count;
-};
-
-class SegmentInfo {
-  SegmentInfo(const SegmentInfo&);
-  SegmentInfo& operator=(const SegmentInfo&);
-
- public:
-  Segment* const m_pSegment;
-  const long long m_start;
-  const long long m_size;
-  const long long m_element_start;
-  const long long m_element_size;
-
-  SegmentInfo(Segment*, long long start, long long size,
-              long long element_start, long long element_size);
-
-  ~SegmentInfo();
-
-  long Parse();
-
-  long long GetTimeCodeScale() const;
-  long long GetDuration() const;  // scaled
-  const char* GetMuxingAppAsUTF8() const;
-  const char* GetWritingAppAsUTF8() const;
-  const char* GetTitleAsUTF8() const;
-
- private:
-  long long m_timecodeScale;
-  double m_duration;
-  char* m_pMuxingAppAsUTF8;
-  char* m_pWritingAppAsUTF8;
-  char* m_pTitleAsUTF8;
-};
-
-class SeekHead {
-  SeekHead(const SeekHead&);
-  SeekHead& operator=(const SeekHead&);
-
- public:
-  Segment* const m_pSegment;
-  const long long m_start;
-  const long long m_size;
-  const long long m_element_start;
-  const long long m_element_size;
-
-  SeekHead(Segment*, long long start, long long size, long long element_start,
-           long long element_size);
-
-  ~SeekHead();
-
-  long Parse();
-
-  struct Entry {
-    // the SeekHead entry payload
-    long long id;
-    long long pos;
-
-    // absolute pos of SeekEntry ID
-    long long element_start;
-
-    // SeekEntry ID size + size size + payload
-    long long element_size;
-  };
-
-  int GetCount() const;
-  const Entry* GetEntry(int idx) const;
-
-  struct VoidElement {
-    // absolute pos of Void ID
-    long long element_start;
-
-    // ID size + size size + payload size
-    long long element_size;
-  };
-
-  int GetVoidElementCount() const;
-  const VoidElement* GetVoidElement(int idx) const;
-
- private:
-  Entry* m_entries;
-  int m_entry_count;
-
-  VoidElement* m_void_elements;
-  int m_void_element_count;
-
-  static bool ParseEntry(IMkvReader*,
-                         long long pos,  // payload
-                         long long size, Entry*);
-};
-
-class Cues;
-class CuePoint {
-  friend class Cues;
-
-  CuePoint(long, long long);
-  ~CuePoint();
-
-  CuePoint(const CuePoint&);
-  CuePoint& operator=(const CuePoint&);
-
- public:
-  long long m_element_start;
-  long long m_element_size;
-
-  bool Load(IMkvReader*);
-
-  long long GetTimeCode() const;  // absolute but unscaled
-  long long GetTime(const Segment*) const;  // absolute and scaled (ns units)
-
-  struct TrackPosition {
-    long long m_track;
-    long long m_pos;  // of cluster
-    long long m_block;
-    // codec_state  //defaults to 0
-    // reference = clusters containing req'd referenced blocks
-    //  reftime = timecode of the referenced block
-
-    bool Parse(IMkvReader*, long long, long long);
-  };
-
-  const TrackPosition* Find(const Track*) const;
-
- private:
-  const long m_index;
-  long long m_timecode;
-  TrackPosition* m_track_positions;
-  size_t m_track_positions_count;
-};
-
-class Cues {
-  friend class Segment;
-
-  Cues(Segment*, long long start, long long size, long long element_start,
-       long long element_size);
-  ~Cues();
-
-  Cues(const Cues&);
-  Cues& operator=(const Cues&);
-
- public:
-  Segment* const m_pSegment;
-  const long long m_start;
-  const long long m_size;
-  const long long m_element_start;
-  const long long m_element_size;
-
-  bool Find(  // lower bound of time_ns
-      long long time_ns, const Track*, const CuePoint*&,
-      const CuePoint::TrackPosition*&) const;
-
-  const CuePoint* GetFirst() const;
-  const CuePoint* GetLast() const;
-  const CuePoint* GetNext(const CuePoint*) const;
-
-  const BlockEntry* GetBlock(const CuePoint*,
-                             const CuePoint::TrackPosition*) const;
-
-  bool LoadCuePoint() const;
-  long GetCount() const;  // loaded only
-  // long GetTotal() const;  //loaded + preloaded
-  bool DoneParsing() const;
-
- private:
-  bool Init() const;
-  bool PreloadCuePoint(long&, long long) const;
-
-  mutable CuePoint** m_cue_points;
-  mutable long m_count;
-  mutable long m_preload_count;
-  mutable long long m_pos;
-};
-
-class Cluster {
-  friend class Segment;
-
-  Cluster(const Cluster&);
-  Cluster& operator=(const Cluster&);
-
- public:
-  Segment* const m_pSegment;
-
- public:
-  static Cluster* Create(Segment*,
-                         long index,  // index in segment
-                         long long off);  // offset relative to segment
-  // long long element_size);
-
-  Cluster();  // EndOfStream
-  ~Cluster();
-
-  bool EOS() const;
-
-  long long GetTimeCode() const;  // absolute, but not scaled
-  long long GetTime() const;  // absolute, and scaled (nanosecond units)
-  long long GetFirstTime() const;  // time (ns) of first (earliest) block
-  long long GetLastTime() const;  // time (ns) of last (latest) block
-
-  long GetFirst(const BlockEntry*&) const;
-  long GetLast(const BlockEntry*&) const;
-  long GetNext(const BlockEntry* curr, const BlockEntry*& next) const;
-
-  const BlockEntry* GetEntry(const Track*, long long ns = -1) const;
-  const BlockEntry* GetEntry(const CuePoint&,
-                             const CuePoint::TrackPosition&) const;
-  // const BlockEntry* GetMaxKey(const VideoTrack*) const;
-
-  //    static bool HasBlockEntries(const Segment*, long long);
-
-  static long HasBlockEntries(const Segment*, long long idoff, long long& pos,
-                              long& size);
-
-  long GetEntryCount() const;
-
-  long Load(long long& pos, long& size) const;
-
-  long Parse(long long& pos, long& size) const;
-  long GetEntry(long index, const mkvparser::BlockEntry*&) const;
-
- protected:
-  Cluster(Segment*, long index, long long element_start);
-  // long long element_size);
-
- public:
-  const long long m_element_start;
-  long long GetPosition() const;  // offset relative to segment
-
-  long GetIndex() const;
-  long long GetElementSize() const;
-  // long long GetPayloadSize() const;
-
-  // long long Unparsed() const;
-
- private:
-  long m_index;
-  mutable long long m_pos;
-  // mutable long long m_size;
-  mutable long long m_element_size;
-  mutable long long m_timecode;
-  mutable BlockEntry** m_entries;
-  mutable long m_entries_size;
-  mutable long m_entries_count;
-
-  long ParseSimpleBlock(long long, long long&, long&);
-  long ParseBlockGroup(long long, long long&, long&);
-
-  long CreateBlock(long long id, long long pos, long long size,
-                   long long discard_padding);
-  long CreateBlockGroup(long long start_offset, long long size,
-                        long long discard_padding);
-  long CreateSimpleBlock(long long, long long);
-};
-
-class Segment {
-  friend class Cues;
-  friend class Track;
-  friend class VideoTrack;
-
-  Segment(const Segment&);
-  Segment& operator=(const Segment&);
-
- private:
-  Segment(IMkvReader*, long long elem_start,
-          // long long elem_size,
-          long long pos, long long size);
-
- public:
-  IMkvReader* const m_pReader;
-  const long long m_element_start;
-  // const long long m_element_size;
-  const long long m_start;  // posn of segment payload
-  const long long m_size;  // size of segment payload
-  Cluster m_eos;  // TODO: make private?
-
-  static long long CreateInstance(IMkvReader*, long long, Segment*&);
-  ~Segment();
-
-  long Load();  // loads headers and all clusters
-
-  // for incremental loading
-  // long long Unparsed() const;
-  bool DoneParsing() const;
-  long long ParseHeaders();  // stops when first cluster is found
-  // long FindNextCluster(long long& pos, long& size) const;
-  long LoadCluster(long long& pos, long& size);  // load one cluster
-  long LoadCluster();
-
-  long ParseNext(const Cluster* pCurr, const Cluster*& pNext, long long& pos,
-                 long& size);
-
-  const SeekHead* GetSeekHead() const;
-  const Tracks* GetTracks() const;
-  const SegmentInfo* GetInfo() const;
-  const Cues* GetCues() const;
-  const Chapters* GetChapters() const;
-  const Tags* GetTags() const;
-
-  long long GetDuration() const;
-
-  unsigned long GetCount() const;
-  const Cluster* GetFirst() const;
-  const Cluster* GetLast() const;
-  const Cluster* GetNext(const Cluster*);
-
-  const Cluster* FindCluster(long long time_nanoseconds) const;
-  // const BlockEntry* Seek(long long time_nanoseconds, const Track*) const;
-
-  const Cluster* FindOrPreloadCluster(long long pos);
-
-  long ParseCues(long long cues_off,  // offset relative to start of segment
-                 long long& parse_pos, long& parse_len);
-
- private:
-  long long m_pos;  // absolute file posn; what has been consumed so far
-  Cluster* m_pUnknownSize;
-
-  SeekHead* m_pSeekHead;
-  SegmentInfo* m_pInfo;
-  Tracks* m_pTracks;
-  Cues* m_pCues;
-  Chapters* m_pChapters;
-  Tags* m_pTags;
-  Cluster** m_clusters;
-  long m_clusterCount;  // number of entries for which m_index >= 0
-  long m_clusterPreloadCount;  // number of entries for which m_index < 0
-  long m_clusterSize;  // array size
-
-  long DoLoadCluster(long long&, long&);
-  long DoLoadClusterUnknownSize(long long&, long&);
-  long DoParseNext(const Cluster*&, long long&, long&);
-
-  bool AppendCluster(Cluster*);
-  bool PreloadCluster(Cluster*, ptrdiff_t);
-
-  // void ParseSeekHead(long long pos, long long size);
-  // void ParseSeekEntry(long long pos, long long size);
-  // void ParseCues(long long);
-
-  const BlockEntry* GetBlock(const CuePoint&, const CuePoint::TrackPosition&);
-};
-
-}  // namespace mkvparser
-
-inline long mkvparser::Segment::LoadCluster() {
-  long long pos;
-  long size;
-
-  return LoadCluster(pos, size);
-}
-
-#endif  // MKVPARSER_MKVPARSER_H_