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-rw-r--r--getid3/module.audio-video.flv.php505
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diff --git a/getid3/module.audio-video.flv.php b/getid3/module.audio-video.flv.php
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--- a/getid3/module.audio-video.flv.php
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@@ -1,505 +0,0 @@
-<?php
-/////////////////////////////////////////////////////////////////
-/// getID3() by James Heinrich <info@getid3.org> //
-// available at http://getid3.sourceforge.net //
-// or http://www.getid3.org //
-// //
-// FLV module by Seth Kaufman <seth@whirl-i-gig.com> //
-// //
-// * version 0.1 (26 June 2005) //
-// //
-// minor modifications by James Heinrich <info@getid3.org> //
-// * version 0.1.1 (15 July 2005) //
-// //
-// Support for On2 VP6 codec and meta information //
-// by Steve Webster <steve.webster@featurecreep.com> //
-// * version 0.2 (22 February 2006) //
-// //
-// Modified to not read entire file into memory //
-// by James Heinrich <info@getid3.org> //
-// * version 0.3 (15 June 2006) //
-// //
-// Bugfixes for incorrectly parsed FLV dimensions //
-// and incorrect parsing of onMetaTag //
-// by Evgeny Moysevich <moysevich@gmail.com> //
-// * version 0.4 (07 December 2007) //
-// //
-/////////////////////////////////////////////////////////////////
-// //
-// module.audio-video.flv.php //
-// module for analyzing Shockwave Flash Video files //
-// dependencies: NONE //
-// ///
-/////////////////////////////////////////////////////////////////
-
-define('GETID3_FLV_TAG_AUDIO', 8);
-define('GETID3_FLV_TAG_VIDEO', 9);
-define('GETID3_FLV_TAG_META', 18);
-
-define('GETID3_FLV_VIDEO_H263', 2);
-define('GETID3_FLV_VIDEO_SCREEN', 3);
-define('GETID3_FLV_VIDEO_VP6', 4);
-
-class getid3_flv
-{
-
- function getid3_flv(&$fd, &$ThisFileInfo, $ReturnAllTagData=false) {
-//$start_time = microtime(true);
- fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
-
- $FLVdataLength = $ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset'];
- $FLVheader = fread($fd, 5);
-
- $ThisFileInfo['fileformat'] = 'flv';
- $ThisFileInfo['flv']['header']['signature'] = substr($FLVheader, 0, 3);
- $ThisFileInfo['flv']['header']['version'] = getid3_lib::BigEndian2Int(substr($FLVheader, 3, 1));
- $TypeFlags = getid3_lib::BigEndian2Int(substr($FLVheader, 4, 1));
-
- if ($ThisFileInfo['flv']['header']['signature'] != 'FLV') {
- $ThisFileInfo['error'][] = 'Expecting "FLV" at offset '.$ThisFileInfo['avdataoffset'].', found "'.$ThisFileInfo['flv']['header']['signature'].'"';
- unset($ThisFileInfo['flv']);
- unset($ThisFileInfo['fileformat']);
- return false;
- }
-
- $ThisFileInfo['flv']['header']['hasAudio'] = (bool) ($TypeFlags & 0x04);
- $ThisFileInfo['flv']['header']['hasVideo'] = (bool) ($TypeFlags & 0x01);
-
- $FrameSizeDataLength = getid3_lib::BigEndian2Int(fread($fd, 4));
- $FLVheaderFrameLength = 9;
- if ($FrameSizeDataLength > $FLVheaderFrameLength) {
- fseek($fd, $FrameSizeDataLength - $FLVheaderFrameLength, SEEK_CUR);
- }
-//echo __LINE__.'='.number_format(microtime(true) - $start_time, 3).'<br>';
-
- $Duration = 0;
- $found_video = false;
- $found_audio = false;
- $found_meta = false;
- while ((ftell($fd) + 16) < $ThisFileInfo['avdataend']) {
- $ThisTagHeader = fread($fd, 16);
-
- $PreviousTagLength = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 0, 4));
- $TagType = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 4, 1));
- $DataLength = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 5, 3));
- $Timestamp = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 8, 3));
- $LastHeaderByte = getid3_lib::BigEndian2Int(substr($ThisTagHeader, 15, 1));
- $NextOffset = ftell($fd) - 1 + $DataLength;
- if ($Timestamp > $Duration) {
- $Duration = $Timestamp;
- }
-
-//echo __LINE__.'['.ftell($fd).']=('.$TagType.')='.number_format(microtime(true) - $start_time, 3).'<br>';
-
- switch ($TagType) {
- case GETID3_FLV_TAG_AUDIO:
- if (!$found_audio) {
- $found_audio = true;
- $ThisFileInfo['flv']['audio']['audioFormat'] = $LastHeaderByte & 0x07;
- $ThisFileInfo['flv']['audio']['audioRate'] = ($LastHeaderByte & 0x30) / 0x10;
- $ThisFileInfo['flv']['audio']['audioSampleSize'] = ($LastHeaderByte & 0x40) / 0x40;
- $ThisFileInfo['flv']['audio']['audioType'] = ($LastHeaderByte & 0x80) / 0x80;
- }
- break;
-
- case GETID3_FLV_TAG_VIDEO:
- if (!$found_video) {
- $found_video = true;
- $ThisFileInfo['flv']['video']['videoCodec'] = $LastHeaderByte & 0x07;
-
- $FLVvideoHeader = fread($fd, 11);
-
- if ($ThisFileInfo['flv']['video']['videoCodec'] != GETID3_FLV_VIDEO_VP6) {
-
- $PictureSizeType = (getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 3, 2))) >> 7;
- $PictureSizeType = $PictureSizeType & 0x0007;
- $ThisFileInfo['flv']['header']['videoSizeType'] = $PictureSizeType;
- switch ($PictureSizeType) {
- case 0:
- //$PictureSizeEnc = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 5, 2));
- //$PictureSizeEnc <<= 1;
- //$ThisFileInfo['video']['resolution_x'] = ($PictureSizeEnc & 0xFF00) >> 8;
- //$PictureSizeEnc = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 2));
- //$PictureSizeEnc <<= 1;
- //$ThisFileInfo['video']['resolution_y'] = ($PictureSizeEnc & 0xFF00) >> 8;
-
- $PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 4, 2));
- $PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 5, 2));
- $PictureSizeEnc['x'] >>= 7;
- $PictureSizeEnc['y'] >>= 7;
- $ThisFileInfo['video']['resolution_x'] = $PictureSizeEnc['x'] & 0xFF;
- $ThisFileInfo['video']['resolution_y'] = $PictureSizeEnc['y'] & 0xFF;
- break;
-
- case 1:
- $PictureSizeEnc['x'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 4, 3));
- $PictureSizeEnc['y'] = getid3_lib::BigEndian2Int(substr($FLVvideoHeader, 6, 3));
- $PictureSizeEnc['x'] >>= 7;
- $PictureSizeEnc['y'] >>= 7;
- $ThisFileInfo['video']['resolution_x'] = $PictureSizeEnc['x'] & 0xFFFF;
- $ThisFileInfo['video']['resolution_y'] = $PictureSizeEnc['y'] & 0xFFFF;
- break;
-
- case 2:
- $ThisFileInfo['video']['resolution_x'] = 352;
- $ThisFileInfo['video']['resolution_y'] = 288;
- break;
-
- case 3:
- $ThisFileInfo['video']['resolution_x'] = 176;
- $ThisFileInfo['video']['resolution_y'] = 144;
- break;
-
- case 4:
- $ThisFileInfo['video']['resolution_x'] = 128;
- $ThisFileInfo['video']['resolution_y'] = 96;
- break;
-
- case 5:
- $ThisFileInfo['video']['resolution_x'] = 320;
- $ThisFileInfo['video']['resolution_y'] = 240;
- break;
-
- case 6:
- $ThisFileInfo['video']['resolution_x'] = 160;
- $ThisFileInfo['video']['resolution_y'] = 120;
- break;
-
- default:
- $ThisFileInfo['video']['resolution_x'] = 0;
- $ThisFileInfo['video']['resolution_y'] = 0;
- break;
-
- }
- }
- }
- break;
-
- // Meta tag
- case GETID3_FLV_TAG_META:
- if (!$found_meta) {
- $found_meta = true;
- fseek($fd, -1, SEEK_CUR);
- $reader = new AMFReader(new AMFStream(fread($fd, $DataLength)));
- $eventName = $reader->readData();
- $ThisFileInfo['meta'][$eventName] = $reader->readData();
- unset($reader);
-
- $ThisFileInfo['video']['frame_rate'] = @$ThisFileInfo['meta']['onMetaData']['framerate'];
- $ThisFileInfo['video']['resolution_x'] = @$ThisFileInfo['meta']['onMetaData']['width'];
- $ThisFileInfo['video']['resolution_y'] = @$ThisFileInfo['meta']['onMetaData']['height'];
- }
- break;
-
- default:
- // noop
- break;
- }
-
- fseek($fd, $NextOffset, SEEK_SET);
- }
-
- if ($ThisFileInfo['playtime_seconds'] = $Duration / 1000) {
- $ThisFileInfo['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'];
- }
-
- if ($ThisFileInfo['flv']['header']['hasAudio']) {
- $ThisFileInfo['audio']['codec'] = $this->FLVaudioFormat($ThisFileInfo['flv']['audio']['audioFormat']);
- $ThisFileInfo['audio']['sample_rate'] = $this->FLVaudioRate($ThisFileInfo['flv']['audio']['audioRate']);
- $ThisFileInfo['audio']['bits_per_sample'] = $this->FLVaudioBitDepth($ThisFileInfo['flv']['audio']['audioSampleSize']);
-
- $ThisFileInfo['audio']['channels'] = $ThisFileInfo['flv']['audio']['audioType'] + 1; // 0=mono,1=stereo
- $ThisFileInfo['audio']['lossless'] = ($ThisFileInfo['flv']['audio']['audioFormat'] ? false : true); // 0=uncompressed
- $ThisFileInfo['audio']['dataformat'] = 'flv';
- }
- if (@$ThisFileInfo['flv']['header']['hasVideo']) {
- $ThisFileInfo['video']['codec'] = $this->FLVvideoCodec($ThisFileInfo['flv']['video']['videoCodec']);
- $ThisFileInfo['video']['dataformat'] = 'flv';
- $ThisFileInfo['video']['lossless'] = false;
- }
-
- return true;
- }
-
-
- function FLVaudioFormat($id) {
- $FLVaudioFormat = array(
- 0 => 'uncompressed',
- 1 => 'ADPCM',
- 2 => 'mp3',
- 5 => 'Nellymoser 8kHz mono',
- 6 => 'Nellymoser',
- );
- return (@$FLVaudioFormat[$id] ? @$FLVaudioFormat[$id] : false);
- }
-
- function FLVaudioRate($id) {
- $FLVaudioRate = array(
- 0 => 5500,
- 1 => 11025,
- 2 => 22050,
- 3 => 44100,
- );
- return (@$FLVaudioRate[$id] ? @$FLVaudioRate[$id] : false);
- }
-
- function FLVaudioBitDepth($id) {
- $FLVaudioBitDepth = array(
- 0 => 8,
- 1 => 16,
- );
- return (@$FLVaudioBitDepth[$id] ? @$FLVaudioBitDepth[$id] : false);
- }
-
- function FLVvideoCodec($id) {
- $FLVvideoCodec = array(
- GETID3_FLV_VIDEO_H263 => 'Sorenson H.263',
- GETID3_FLV_VIDEO_SCREEN => 'Screen video',
- GETID3_FLV_VIDEO_VP6 => 'On2 VP6',
- );
- return (@$FLVvideoCodec[$id] ? @$FLVvideoCodec[$id] : false);
- }
-}
-
-class AMFStream {
- var $bytes;
- var $pos;
-
- function AMFStream(&$bytes) {
- $this->bytes =& $bytes;
- $this->pos = 0;
- }
-
- function readByte() {
- return getid3_lib::BigEndian2Int(substr($this->bytes, $this->pos++, 1));
- }
-
- function readInt() {
- return ($this->readByte() << 8) + $this->readByte();
- }
-
- function readLong() {
- return ($this->readByte() << 24) + ($this->readByte() << 16) + ($this->readByte() << 8) + $this->readByte();
- }
-
- function readDouble() {
- return getid3_lib::BigEndian2Float($this->read(8));
- }
-
- function readUTF() {
- $length = $this->readInt();
- return $this->read($length);
- }
-
- function readLongUTF() {
- $length = $this->readLong();
- return $this->read($length);
- }
-
- function read($length) {
- $val = substr($this->bytes, $this->pos, $length);
- $this->pos += $length;
- return $val;
- }
-
- function peekByte() {
- $pos = $this->pos;
- $val = $this->readByte();
- $this->pos = $pos;
- return $val;
- }
-
- function peekInt() {
- $pos = $this->pos;
- $val = $this->readInt();
- $this->pos = $pos;
- return $val;
- }
-
- function peekLong() {
- $pos = $this->pos;
- $val = $this->readLong();
- $this->pos = $pos;
- return $val;
- }
-
- function peekDouble() {
- $pos = $this->pos;
- $val = $this->readDouble();
- $this->pos = $pos;
- return $val;
- }
-
- function peekUTF() {
- $pos = $this->pos;
- $val = $this->readUTF();
- $this->pos = $pos;
- return $val;
- }
-
- function peekLongUTF() {
- $pos = $this->pos;
- $val = $this->readLongUTF();
- $this->pos = $pos;
- return $val;
- }
-}
-
-class AMFReader {
- var $stream;
-
- function AMFReader(&$stream) {
- $this->stream =& $stream;
- }
-
- function readData() {
- $value = null;
-
- $type = $this->stream->readByte();
- switch ($type) {
-
- // Double
- case 0:
- $value = $this->readDouble();
- break;
-
- // Boolean
- case 1:
- $value = $this->readBoolean();
- break;
-
- // String
- case 2:
- $value = $this->readString();
- break;
-
- // Object
- case 3:
- $value = $this->readObject();
- break;
-
- // null
- case 6:
- return null;
- break;
-
- // Mixed array
- case 8:
- $value = $this->readMixedArray();
- break;
-
- // Array
- case 10:
- $value = $this->readArray();
- break;
-
- // Date
- case 11:
- $value = $this->readDate();
- break;
-
- // Long string
- case 13:
- $value = $this->readLongString();
- break;
-
- // XML (handled as string)
- case 15:
- $value = $this->readXML();
- break;
-
- // Typed object (handled as object)
- case 16:
- $value = $this->readTypedObject();
- break;
-
- // Long string
- default:
- $value = '(unknown or unsupported data type)';
- break;
- }
-
- return $value;
- }
-
- function readDouble() {
- return $this->stream->readDouble();
- }
-
- function readBoolean() {
- return $this->stream->readByte() == 1;
- }
-
- function readString() {
- return $this->stream->readUTF();
- }
-
- function readObject() {
- // Get highest numerical index - ignored
-// $highestIndex = $this->stream->readLong();
-
- $data = array();
-
- while ($key = $this->stream->readUTF()) {
- $data[$key] = $this->readData();
- }
- // Mixed array record ends with empty string (0x00 0x00) and 0x09
- if (($key == '') && ($this->stream->peekByte() == 0x09)) {
- // Consume byte
- $this->stream->readByte();
- }
- return $data;
- }
-
- function readMixedArray() {
- // Get highest numerical index - ignored
- $highestIndex = $this->stream->readLong();
-
- $data = array();
-
- while ($key = $this->stream->readUTF()) {
- if (is_numeric($key)) {
- $key = (float) $key;
- }
- $data[$key] = $this->readData();
- }
- // Mixed array record ends with empty string (0x00 0x00) and 0x09
- if (($key == '') && ($this->stream->peekByte() == 0x09)) {
- // Consume byte
- $this->stream->readByte();
- }
-
- return $data;
- }
-
- function readArray() {
- $length = $this->stream->readLong();
- $data = array();
-
- for ($i = 0; $i < $length; $i++) {
- $data[] = $this->readData();
- }
- return $data;
- }
-
- function readDate() {
- $timestamp = $this->stream->readDouble();
- $timezone = $this->stream->readInt();
- return $timestamp;
- }
-
- function readLongString() {
- return $this->stream->readLongUTF();
- }
-
- function readXML() {
- return $this->stream->readLongUTF();
- }
-
- function readTypedObject() {
- $className = $this->stream->readUTF();
- return $this->readObject();
- }
-}
-
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-14 17:21:19 +0000