| /********** |
| This library is free software; you can redistribute it and/or modify it under |
| the terms of the GNU Lesser General Public License as published by the |
| Free Software Foundation; either version 3 of the License, or (at your |
| option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| |
| This library is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this library; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| **********/ |
| // "liveMedia" |
| // Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved. |
| // EBML numbers (ids and sizes) |
| // Implementation |
| |
| #include "EBMLNumber.hh" |
| |
| EBMLNumber::EBMLNumber(Boolean stripLeading1) |
| : stripLeading1(stripLeading1), len(0) { |
| } |
| |
| EBMLNumber::~EBMLNumber() { |
| } |
| |
| char* EBMLNumber::hexString() const { |
| static char printBuf[2*EBML_NUMBER_MAX_LEN + 1]; |
| |
| char* to = printBuf; |
| for (unsigned i = 0; i < len; ++i) { |
| sprintf(to, "%02X", data[i]); |
| to += 2; |
| } |
| |
| return printBuf; |
| } |
| |
| u_int64_t EBMLNumber::val() const { |
| u_int64_t result = 0; |
| |
| for (unsigned i = 0; i < len; ++i) { |
| result = result*256 + data[i]; |
| } |
| |
| return result; |
| } |
| |
| EBMLId::EBMLId() |
| : EBMLNumber(False) { |
| } |
| |
| EBMLId::~EBMLId() { |
| } |
| |
| char const* EBMLId::stringName() const { |
| switch (val()) { |
| case MATROSKA_ID_EBML: { return "EBML"; } |
| case MATROSKA_ID_VOID: { return "Void"; } |
| case MATROSKA_ID_CRC_32: { return "CRC-32"; } |
| case MATROSKA_ID_SEGMENT: { return "Segment"; } |
| case MATROSKA_ID_SEEK_HEAD: { return "Seek Head"; } |
| case MATROSKA_ID_SEEK: { return "Seek"; } |
| case MATROSKA_ID_SEEK_ID: { return "Seek ID"; } |
| case MATROSKA_ID_SEEK_POSITION: { return "Seek Position"; } |
| case MATROSKA_ID_INFO: { return "Segment Info"; } |
| case MATROSKA_ID_SEGMENT_UID: { return "Segment UID"; } |
| case MATROSKA_ID_DURATION: { return "Segment Duration"; } |
| case MATROSKA_ID_TIMECODE_SCALE: { return "Timecode Scale"; } |
| case MATROSKA_ID_DATE_UTC: { return "Date (UTC)"; } |
| case MATROSKA_ID_TITLE: { return "Title"; } |
| case MATROSKA_ID_MUXING_APP: { return "Muxing App"; } |
| case MATROSKA_ID_WRITING_APP: { return "Writing App"; } |
| case MATROSKA_ID_CLUSTER: { return "Cluster"; } |
| case MATROSKA_ID_TIMECODE: { return "TimeCode"; } |
| case MATROSKA_ID_POSITION: { return "Position"; } |
| case MATROSKA_ID_PREV_SIZE: { return "Prev. Size"; } |
| case MATROSKA_ID_SIMPLEBLOCK: { return "SimpleBlock"; } |
| case MATROSKA_ID_BLOCK_GROUP: { return "Block Group"; } |
| case MATROSKA_ID_BLOCK: { return "Block"; } |
| case MATROSKA_ID_BLOCK_DURATION: { return "Block Duration"; } |
| case MATROSKA_ID_REFERENCE_BLOCK: { return "Reference Block"; } |
| case MATROSKA_ID_TRACKS: { return "Tracks"; } |
| case MATROSKA_ID_TRACK_ENTRY: { return "Track Entry"; } |
| case MATROSKA_ID_TRACK_NUMBER: { return "Track Number"; } |
| case MATROSKA_ID_TRACK_UID: { return "Track UID"; } |
| case MATROSKA_ID_TRACK_TYPE: { return "Track Type"; } |
| case MATROSKA_ID_FLAG_ENABLED: { return "Flag Enabled"; } |
| case MATROSKA_ID_FLAG_DEFAULT: { return "Flag Default"; } |
| case MATROSKA_ID_FLAG_FORCED: { return "Flag Forced"; } |
| case MATROSKA_ID_FLAG_LACING: { return "Flag Lacing"; } |
| case MATROSKA_ID_MIN_CACHE: { return "Min Cache"; } |
| case MATROSKA_ID_DEFAULT_DURATION: { return "Default Duration"; } |
| case MATROSKA_ID_TRACK_TIMECODE_SCALE: { return "Track Timecode Scale"; } |
| case MATROSKA_ID_MAX_BLOCK_ADDITION_ID: { return "Max Block Addition ID"; } |
| case MATROSKA_ID_NAME: { return "Name"; } |
| case MATROSKA_ID_LANGUAGE: { return "Language"; } |
| case MATROSKA_ID_CODEC: { return "Codec ID"; } |
| case MATROSKA_ID_CODEC_PRIVATE: { return "Codec Private"; } |
| case MATROSKA_ID_CODEC_NAME: { return "Codec Name"; } |
| case MATROSKA_ID_CODEC_DECODE_ALL: { return "Codec Decode All"; } |
| case MATROSKA_ID_VIDEO: { return "Video Settings"; } |
| case MATROSKA_ID_FLAG_INTERLACED: { return "Flag Interlaced"; } |
| case MATROSKA_ID_PIXEL_WIDTH: { return "Pixel Width"; } |
| case MATROSKA_ID_PIXEL_HEIGHT: { return "Pixel Height"; } |
| case MATROSKA_ID_DISPLAY_WIDTH: { return "Display Width"; } |
| case MATROSKA_ID_DISPLAY_HEIGHT: { return "Display Height"; } |
| case MATROSKA_ID_DISPLAY_UNIT: { return "Display Unit"; } |
| case MATROSKA_ID_AUDIO: { return "Audio Settings"; } |
| case MATROSKA_ID_SAMPLING_FREQUENCY: { return "Sampling Frequency"; } |
| case MATROSKA_ID_OUTPUT_SAMPLING_FREQUENCY: { return "Output Sampling Frequency"; } |
| case MATROSKA_ID_CHANNELS: { return "Channels"; } |
| case MATROSKA_ID_BIT_DEPTH: { return "Bit Depth"; } |
| case MATROSKA_ID_CONTENT_ENCODINGS: { return "Content Encodings"; } |
| case MATROSKA_ID_CONTENT_ENCODING: { return "Content Encoding"; } |
| case MATROSKA_ID_CONTENT_COMPRESSION: { return "Content Compression"; } |
| case MATROSKA_ID_CONTENT_COMP_ALGO: { return "Content Compression Algorithm"; } |
| case MATROSKA_ID_CONTENT_COMP_SETTINGS: { return "Content Compression Settings"; } |
| case MATROSKA_ID_CONTENT_ENCRYPTION: { return "Content Encryption"; } |
| case MATROSKA_ID_ATTACHMENTS: { return "Attachments"; } |
| case MATROSKA_ID_ATTACHED_FILE: { return "Attached File"; } |
| case MATROSKA_ID_FILE_DESCRIPTION: { return "File Description"; } |
| case MATROSKA_ID_FILE_NAME: { return "File Name"; } |
| case MATROSKA_ID_FILE_MIME_TYPE: { return "File MIME Type"; } |
| case MATROSKA_ID_FILE_DATA: { return "File Data"; } |
| case MATROSKA_ID_FILE_UID: { return "File UID"; } |
| case MATROSKA_ID_CUES: { return "Cues"; } |
| case MATROSKA_ID_CUE_POINT: { return "Cue Point"; } |
| case MATROSKA_ID_CUE_TIME: { return "Cue Time"; } |
| case MATROSKA_ID_CUE_TRACK_POSITIONS: { return "Cue Track Positions"; } |
| case MATROSKA_ID_CUE_TRACK: { return "Cue Track"; } |
| case MATROSKA_ID_CUE_CLUSTER_POSITION: { return "Cue Cluster Position"; } |
| case MATROSKA_ID_CUE_BLOCK_NUMBER: { return "Cue Block Number"; } |
| case MATROSKA_ID_TAGS: { return "Tags"; } |
| case MATROSKA_ID_SEEK_PRE_ROLL: { return "SeekPreRoll"; } |
| case MATROSKA_ID_CODEC_DELAY: { return "CodecDelay"; } |
| case MATROSKA_ID_DISCARD_PADDING: { return "DiscardPadding"; } |
| default: { return "*****unknown*****"; } |
| } |
| } |
| |
| EBMLDataSize::EBMLDataSize() |
| : EBMLNumber(True) { |
| } |
| |
| EBMLDataSize::~EBMLDataSize() { |
| } |
