| author | ymh <ymh.work@gmail.com> |
| Mon, 14 Oct 2019 17:39:30 +0200 | |
| changeset 7 | cf61fcea0001 |
| parent 5 | 5e2f62d02dcd |
| child 16 | a86126ab1dd4 |
| permissions | -rw-r--r-- |
| 0 | 1 |
<?php |
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///////////////////////////////////////////////////////////////// |
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/// getID3() by James Heinrich <info@getid3.org> // |
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// available at http://getid3.sourceforge.net // |
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// or http://www.getid3.org // |
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// also https://github.com/JamesHeinrich/getID3 // |
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///////////////////////////////////////////////////////////////// |
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// See readme.txt for more details // |
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///////////////////////////////////////////////////////////////// |
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// // |
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// module.audio.ogg.php // |
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// module for analyzing Ogg Vorbis, OggFLAC and Speex files // |
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// dependencies: module.audio.flac.php // |
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// /// |
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///////////////////////////////////////////////////////////////// |
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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.flac.php', __FILE__, true); |
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class getid3_ogg extends getid3_handler |
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{ |
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// http://xiph.org/vorbis/doc/Vorbis_I_spec.html |
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public function Analyze() { |
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$info = &$this->getid3->info; |
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$info['fileformat'] = 'ogg'; |
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// Warn about illegal tags - only vorbiscomments are allowed |
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if (isset($info['id3v2'])) { |
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ymh <ymh.work@gmail.com>
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$this->warning('Illegal ID3v2 tag present.'); |
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} |
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if (isset($info['id3v1'])) { |
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cf61fcea0001
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ymh <ymh.work@gmail.com>
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$this->warning('Illegal ID3v1 tag present.'); |
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} |
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if (isset($info['ape'])) { |
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$this->warning('Illegal APE tag present.'); |
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} |
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// Page 1 - Stream Header |
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$this->fseek($info['avdataoffset']); |
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$oggpageinfo = $this->ParseOggPageHeader(); |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo; |
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if ($this->ftell() >= $this->getid3->fread_buffer_size()) { |
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cf61fcea0001
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ymh <ymh.work@gmail.com>
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$this->error('Could not find start of Ogg page in the first '.$this->getid3->fread_buffer_size().' bytes (this might not be an Ogg-Vorbis file?)'); |
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unset($info['fileformat']); |
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unset($info['ogg']); |
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return false; |
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} |
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$filedata = $this->fread($oggpageinfo['page_length']); |
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$filedataoffset = 0; |
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if (substr($filedata, 0, 4) == 'fLaC') { |
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$info['audio']['dataformat'] = 'flac'; |
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$info['audio']['bitrate_mode'] = 'vbr'; |
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$info['audio']['lossless'] = true; |
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} elseif (substr($filedata, 1, 6) == 'vorbis') { |
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$this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo); |
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} elseif (substr($filedata, 0, 8) == 'OpusHead') { |
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if( $this->ParseOpusPageHeader($filedata, $filedataoffset, $oggpageinfo) == false ) { |
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cf61fcea0001
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return false; |
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cf61fcea0001
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} |
|
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} elseif (substr($filedata, 0, 8) == 'Speex ') { |
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// http://www.speex.org/manual/node10.html |
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$info['audio']['dataformat'] = 'speex'; |
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$info['mime_type'] = 'audio/speex'; |
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$info['audio']['bitrate_mode'] = 'abr'; |
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$info['audio']['lossless'] = false; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_string'] = substr($filedata, $filedataoffset, 8); // hard-coded to 'Speex ' |
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$filedataoffset += 8; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version'] = substr($filedata, $filedataoffset, 20); |
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$filedataoffset += 20; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version_id'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['header_size'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode_bitstream_version'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['bitrate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['framesize'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['frames_per_packet'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['extra_headers'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved1'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['reserved2'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['speex']['speex_version'] = trim($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['speex_version']); |
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$info['speex']['sample_rate'] = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['rate']; |
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$info['speex']['channels'] = $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['nb_channels']; |
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$info['speex']['vbr'] = (bool) $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['vbr']; |
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$info['speex']['band_type'] = $this->SpeexBandModeLookup($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['mode']); |
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$info['audio']['sample_rate'] = $info['speex']['sample_rate']; |
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$info['audio']['channels'] = $info['speex']['channels']; |
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if ($info['speex']['vbr']) { |
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$info['audio']['bitrate_mode'] = 'vbr'; |
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} |
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} elseif (substr($filedata, 0, 7) == "\x80".'theora') { |
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// http://www.theora.org/doc/Theora.pdf (section 6.2) |
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$info['ogg']['pageheader']['theora']['theora_magic'] = substr($filedata, $filedataoffset, 7); // hard-coded to "\x80.'theora' |
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$filedataoffset += 7; |
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$info['ogg']['pageheader']['theora']['version_major'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1)); |
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$filedataoffset += 1; |
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$info['ogg']['pageheader']['theora']['version_minor'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1)); |
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$filedataoffset += 1; |
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$info['ogg']['pageheader']['theora']['version_revision'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1)); |
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$filedataoffset += 1; |
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$info['ogg']['pageheader']['theora']['frame_width_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2)); |
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$filedataoffset += 2; |
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$info['ogg']['pageheader']['theora']['frame_height_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2)); |
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$filedataoffset += 2; |
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$info['ogg']['pageheader']['theora']['resolution_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3)); |
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$filedataoffset += 3; |
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$info['ogg']['pageheader']['theora']['resolution_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3)); |
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$filedataoffset += 3; |
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$info['ogg']['pageheader']['theora']['picture_offset_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1)); |
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$filedataoffset += 1; |
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$info['ogg']['pageheader']['theora']['picture_offset_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1)); |
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$filedataoffset += 1; |
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$info['ogg']['pageheader']['theora']['frame_rate_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader']['theora']['frame_rate_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3)); |
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$filedataoffset += 3; |
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$info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3)); |
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$filedataoffset += 3; |
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$info['ogg']['pageheader']['theora']['color_space_id'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1)); |
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$filedataoffset += 1; |
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$info['ogg']['pageheader']['theora']['nominal_bitrate'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3)); |
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$filedataoffset += 3; |
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$info['ogg']['pageheader']['theora']['flags'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2)); |
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$filedataoffset += 2; |
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$info['ogg']['pageheader']['theora']['quality'] = ($info['ogg']['pageheader']['theora']['flags'] & 0xFC00) >> 10; |
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$info['ogg']['pageheader']['theora']['kfg_shift'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x03E0) >> 5; |
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$info['ogg']['pageheader']['theora']['pixel_format_id'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0018) >> 3; |
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$info['ogg']['pageheader']['theora']['reserved'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0007) >> 0; // should be 0 |
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$info['ogg']['pageheader']['theora']['color_space'] = self::TheoraColorSpace($info['ogg']['pageheader']['theora']['color_space_id']); |
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$info['ogg']['pageheader']['theora']['pixel_format'] = self::TheoraPixelFormat($info['ogg']['pageheader']['theora']['pixel_format_id']); |
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$info['video']['dataformat'] = 'theora'; |
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$info['mime_type'] = 'video/ogg'; |
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//$info['audio']['bitrate_mode'] = 'abr'; |
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//$info['audio']['lossless'] = false; |
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$info['video']['resolution_x'] = $info['ogg']['pageheader']['theora']['resolution_x']; |
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$info['video']['resolution_y'] = $info['ogg']['pageheader']['theora']['resolution_y']; |
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if ($info['ogg']['pageheader']['theora']['frame_rate_denominator'] > 0) { |
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$info['video']['frame_rate'] = (float) $info['ogg']['pageheader']['theora']['frame_rate_numerator'] / $info['ogg']['pageheader']['theora']['frame_rate_denominator']; |
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} |
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if ($info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] > 0) { |
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$info['video']['pixel_aspect_ratio'] = (float) $info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] / $info['ogg']['pageheader']['theora']['pixel_aspect_denominator']; |
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} |
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7
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ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
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$this->warning('Ogg Theora (v3) not fully supported in this version of getID3 ['.$this->getid3->version().'] -- bitrate, playtime and all audio data are currently unavailable'); |
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} elseif (substr($filedata, 0, 8) == "fishead\x00") { |
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// Ogg Skeleton version 3.0 Format Specification |
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// http://xiph.org/ogg/doc/skeleton.html |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fishead']['raw']['version_major'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2)); |
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$filedataoffset += 2; |
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$info['ogg']['skeleton']['fishead']['raw']['version_minor'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2)); |
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$filedataoffset += 2; |
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$info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fishead']['raw']['basetime_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fishead']['raw']['basetime_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fishead']['raw']['utc'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 20)); |
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$filedataoffset += 20; |
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$info['ogg']['skeleton']['fishead']['version'] = $info['ogg']['skeleton']['fishead']['raw']['version_major'].'.'.$info['ogg']['skeleton']['fishead']['raw']['version_minor']; |
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$info['ogg']['skeleton']['fishead']['presentationtime'] = $info['ogg']['skeleton']['fishead']['raw']['presentationtime_numerator'] / $info['ogg']['skeleton']['fishead']['raw']['presentationtime_denominator']; |
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$info['ogg']['skeleton']['fishead']['basetime'] = $info['ogg']['skeleton']['fishead']['raw']['basetime_numerator'] / $info['ogg']['skeleton']['fishead']['raw']['basetime_denominator']; |
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$info['ogg']['skeleton']['fishead']['utc'] = $info['ogg']['skeleton']['fishead']['raw']['utc']; |
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$counter = 0; |
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do { |
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$oggpageinfo = $this->ParseOggPageHeader(); |
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$info['ogg']['pageheader'][$oggpageinfo['page_seqno'].'.'.$counter++] = $oggpageinfo; |
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$filedata = $this->fread($oggpageinfo['page_length']); |
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$this->fseek($oggpageinfo['page_end_offset']); |
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if (substr($filedata, 0, 8) == "fisbone\x00") { |
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$filedataoffset = 8; |
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$info['ogg']['skeleton']['fisbone']['raw']['message_header_offset'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['skeleton']['fisbone']['raw']['serial_number'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['skeleton']['fisbone']['raw']['number_header_packets'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['skeleton']['fisbone']['raw']['granulerate_numerator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fisbone']['raw']['granulerate_denominator'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fisbone']['raw']['basegranule'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
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$filedataoffset += 8; |
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$info['ogg']['skeleton']['fisbone']['raw']['preroll'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
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$filedataoffset += 4; |
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$info['ogg']['skeleton']['fisbone']['raw']['granuleshift'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
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$filedataoffset += 1; |
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$info['ogg']['skeleton']['fisbone']['raw']['padding'] = substr($filedata, $filedataoffset, 3); |
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$filedataoffset += 3; |
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} elseif (substr($filedata, 1, 6) == 'theora') { |
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| 5 | 242 |
$info['video']['dataformat'] = 'theora1'; |
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ymh <ymh.work@gmail.com>
parents:
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changeset
|
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$this->error('Ogg Theora (v1) not correctly handled in this version of getID3 ['.$this->getid3->version().']'); |
| 0 | 244 |
//break; |
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} elseif (substr($filedata, 1, 6) == 'vorbis') { |
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$this->ParseVorbisPageHeader($filedata, $filedataoffset, $oggpageinfo); |
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} else { |
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ymh <ymh.work@gmail.com>
parents:
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changeset
|
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$this->error('unexpected'); |
| 0 | 252 |
//break; |
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} |
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//} while ($oggpageinfo['page_seqno'] == 0); |
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} while (($oggpageinfo['page_seqno'] == 0) && (substr($filedata, 0, 8) != "fisbone\x00")); |
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$this->fseek($oggpageinfo['page_start_offset']); |
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cf61fcea0001
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ymh <ymh.work@gmail.com>
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|
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$this->error('Ogg Skeleton not correctly handled in this version of getID3 ['.$this->getid3->version().']'); |
| 0 | 260 |
//return false; |
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} else { |
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||
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7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
264 |
$this->error('Expecting either "Speex ", "OpusHead" or "vorbis" identifier strings, found "'.substr($filedata, 0, 8).'"'); |
| 0 | 265 |
unset($info['ogg']); |
266 |
unset($info['mime_type']); |
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267 |
return false; |
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269 |
} |
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270 |
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// Page 2 - Comment Header |
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272 |
$oggpageinfo = $this->ParseOggPageHeader(); |
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273 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo; |
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275 |
switch ($info['audio']['dataformat']) { |
|
276 |
case 'vorbis': |
|
277 |
$filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']); |
|
278 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, 0, 1)); |
|
279 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, 1, 6); // hard-coded to 'vorbis' |
|
280 |
||
281 |
$this->ParseVorbisComments(); |
|
282 |
break; |
|
283 |
||
284 |
case 'flac': |
|
285 |
$flac = new getid3_flac($this->getid3); |
|
286 |
if (!$flac->parseMETAdata()) { |
|
|
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|
287 |
$this->error('Failed to parse FLAC headers'); |
| 0 | 288 |
return false; |
289 |
} |
|
290 |
unset($flac); |
|
291 |
break; |
|
292 |
||
293 |
case 'speex': |
|
294 |
$this->fseek($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length'], SEEK_CUR); |
|
295 |
$this->ParseVorbisComments(); |
|
296 |
break; |
|
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|
297 |
|
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298 |
case 'opus': |
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299 |
$filedata = $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']); |
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300 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, 0, 8); // hard-coded to 'OpusTags' |
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301 |
if(substr($filedata, 0, 8) != 'OpusTags') { |
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302 |
$this->error('Expected "OpusTags" as header but got "'.substr($filedata, 0, 8).'"'); |
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|
303 |
return false; |
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|
304 |
} |
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|
305 |
|
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306 |
$this->ParseVorbisComments(); |
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307 |
break; |
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|
308 |
|
| 0 | 309 |
} |
310 |
||
311 |
// Last Page - Number of Samples |
|
312 |
if (!getid3_lib::intValueSupported($info['avdataend'])) { |
|
313 |
||
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|
314 |
$this->warning('Unable to parse Ogg end chunk file (PHP does not support file operations beyond '.round(PHP_INT_MAX / 1073741824).'GB)'); |
| 0 | 315 |
|
316 |
} else { |
|
317 |
||
318 |
$this->fseek(max($info['avdataend'] - $this->getid3->fread_buffer_size(), 0)); |
|
319 |
$LastChunkOfOgg = strrev($this->fread($this->getid3->fread_buffer_size())); |
|
320 |
if ($LastOggSpostion = strpos($LastChunkOfOgg, 'SggO')) { |
|
321 |
$this->fseek($info['avdataend'] - ($LastOggSpostion + strlen('SggO'))); |
|
322 |
$info['avdataend'] = $this->ftell(); |
|
323 |
$info['ogg']['pageheader']['eos'] = $this->ParseOggPageHeader(); |
|
324 |
$info['ogg']['samples'] = $info['ogg']['pageheader']['eos']['pcm_abs_position']; |
|
325 |
if ($info['ogg']['samples'] == 0) { |
|
|
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|
326 |
$this->error('Corrupt Ogg file: eos.number of samples == zero'); |
| 0 | 327 |
return false; |
328 |
} |
|
329 |
if (!empty($info['audio']['sample_rate'])) { |
|
330 |
$info['ogg']['bitrate_average'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / ($info['ogg']['samples'] / $info['audio']['sample_rate']); |
|
331 |
} |
|
332 |
} |
|
333 |
||
334 |
} |
|
335 |
||
336 |
if (!empty($info['ogg']['bitrate_average'])) { |
|
337 |
$info['audio']['bitrate'] = $info['ogg']['bitrate_average']; |
|
338 |
} elseif (!empty($info['ogg']['bitrate_nominal'])) { |
|
339 |
$info['audio']['bitrate'] = $info['ogg']['bitrate_nominal']; |
|
340 |
} elseif (!empty($info['ogg']['bitrate_min']) && !empty($info['ogg']['bitrate_max'])) { |
|
341 |
$info['audio']['bitrate'] = ($info['ogg']['bitrate_min'] + $info['ogg']['bitrate_max']) / 2; |
|
342 |
} |
|
343 |
if (isset($info['audio']['bitrate']) && !isset($info['playtime_seconds'])) { |
|
344 |
if ($info['audio']['bitrate'] == 0) { |
|
|
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|
345 |
$this->error('Corrupt Ogg file: bitrate_audio == zero'); |
| 0 | 346 |
return false; |
347 |
} |
|
348 |
$info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $info['audio']['bitrate']); |
|
349 |
} |
|
350 |
||
351 |
if (isset($info['ogg']['vendor'])) { |
|
352 |
$info['audio']['encoder'] = preg_replace('/^Encoded with /', '', $info['ogg']['vendor']); |
|
353 |
||
354 |
// Vorbis only |
|
355 |
if ($info['audio']['dataformat'] == 'vorbis') { |
|
356 |
||
357 |
// Vorbis 1.0 starts with Xiph.Org |
|
358 |
if (preg_match('/^Xiph.Org/', $info['audio']['encoder'])) { |
|
359 |
||
360 |
if ($info['audio']['bitrate_mode'] == 'abr') { |
|
361 |
||
362 |
// Set -b 128 on abr files |
|
363 |
$info['audio']['encoder_options'] = '-b '.round($info['ogg']['bitrate_nominal'] / 1000); |
|
364 |
||
365 |
} elseif (($info['audio']['bitrate_mode'] == 'vbr') && ($info['audio']['channels'] == 2) && ($info['audio']['sample_rate'] >= 44100) && ($info['audio']['sample_rate'] <= 48000)) { |
|
366 |
// Set -q N on vbr files |
|
367 |
$info['audio']['encoder_options'] = '-q '.$this->get_quality_from_nominal_bitrate($info['ogg']['bitrate_nominal']); |
|
368 |
||
369 |
} |
|
370 |
} |
|
371 |
||
372 |
if (empty($info['audio']['encoder_options']) && !empty($info['ogg']['bitrate_nominal'])) { |
|
373 |
$info['audio']['encoder_options'] = 'Nominal bitrate: '.intval(round($info['ogg']['bitrate_nominal'] / 1000)).'kbps'; |
|
374 |
} |
|
375 |
} |
|
376 |
} |
|
377 |
||
378 |
return true; |
|
379 |
} |
|
380 |
||
381 |
public function ParseVorbisPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) { |
|
382 |
$info = &$this->getid3->info; |
|
383 |
$info['audio']['dataformat'] = 'vorbis'; |
|
384 |
$info['audio']['lossless'] = false; |
|
385 |
||
386 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['packet_type'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
387 |
$filedataoffset += 1; |
|
388 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['stream_type'] = substr($filedata, $filedataoffset, 6); // hard-coded to 'vorbis' |
|
389 |
$filedataoffset += 6; |
|
390 |
$info['ogg']['bitstreamversion'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
391 |
$filedataoffset += 4; |
|
392 |
$info['ogg']['numberofchannels'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
393 |
$filedataoffset += 1; |
|
394 |
$info['audio']['channels'] = $info['ogg']['numberofchannels']; |
|
395 |
$info['ogg']['samplerate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
396 |
$filedataoffset += 4; |
|
397 |
if ($info['ogg']['samplerate'] == 0) { |
|
|
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parents:
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diff
changeset
|
398 |
$this->error('Corrupt Ogg file: sample rate == zero'); |
| 0 | 399 |
return false; |
400 |
} |
|
401 |
$info['audio']['sample_rate'] = $info['ogg']['samplerate']; |
|
402 |
$info['ogg']['samples'] = 0; // filled in later |
|
403 |
$info['ogg']['bitrate_average'] = 0; // filled in later |
|
404 |
$info['ogg']['bitrate_max'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
405 |
$filedataoffset += 4; |
|
406 |
$info['ogg']['bitrate_nominal'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
407 |
$filedataoffset += 4; |
|
408 |
$info['ogg']['bitrate_min'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
409 |
$filedataoffset += 4; |
|
410 |
$info['ogg']['blocksize_small'] = pow(2, getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0x0F); |
|
411 |
$info['ogg']['blocksize_large'] = pow(2, (getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)) & 0xF0) >> 4); |
|
412 |
$info['ogg']['stop_bit'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); // must be 1, marks end of packet |
|
413 |
||
414 |
$info['audio']['bitrate_mode'] = 'vbr'; // overridden if actually abr |
|
415 |
if ($info['ogg']['bitrate_max'] == 0xFFFFFFFF) { |
|
416 |
unset($info['ogg']['bitrate_max']); |
|
417 |
$info['audio']['bitrate_mode'] = 'abr'; |
|
418 |
} |
|
419 |
if ($info['ogg']['bitrate_nominal'] == 0xFFFFFFFF) { |
|
420 |
unset($info['ogg']['bitrate_nominal']); |
|
421 |
} |
|
422 |
if ($info['ogg']['bitrate_min'] == 0xFFFFFFFF) { |
|
423 |
unset($info['ogg']['bitrate_min']); |
|
424 |
$info['audio']['bitrate_mode'] = 'abr'; |
|
425 |
} |
|
426 |
return true; |
|
427 |
} |
|
428 |
||
|
7
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diff
changeset
|
429 |
// http://tools.ietf.org/html/draft-ietf-codec-oggopus-03 |
|
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changeset
|
430 |
public function ParseOpusPageHeader(&$filedata, &$filedataoffset, &$oggpageinfo) { |
|
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|
431 |
$info = &$this->getid3->info; |
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|
432 |
$info['audio']['dataformat'] = 'opus'; |
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changeset
|
433 |
$info['mime_type'] = 'audio/ogg; codecs=opus'; |
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diff
changeset
|
434 |
|
|
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|
435 |
/** @todo find a usable way to detect abr (vbr that is padded to be abr) */ |
|
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changeset
|
436 |
$info['audio']['bitrate_mode'] = 'vbr'; |
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diff
changeset
|
437 |
|
|
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changeset
|
438 |
$info['audio']['lossless'] = false; |
|
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diff
changeset
|
439 |
|
|
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|
440 |
$info['ogg']['pageheader']['opus']['opus_magic'] = substr($filedata, $filedataoffset, 8); // hard-coded to 'OpusHead' |
|
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changeset
|
441 |
$filedataoffset += 8; |
|
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parents:
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changeset
|
442 |
$info['ogg']['pageheader']['opus']['version'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
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changeset
|
443 |
$filedataoffset += 1; |
|
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diff
changeset
|
444 |
|
|
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diff
changeset
|
445 |
if ($info['ogg']['pageheader']['opus']['version'] < 1 || $info['ogg']['pageheader']['opus']['version'] > 15) { |
|
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changeset
|
446 |
$this->error('Unknown opus version number (only accepting 1-15)'); |
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changeset
|
447 |
return false; |
|
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changeset
|
448 |
} |
|
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diff
changeset
|
449 |
|
|
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changeset
|
450 |
$info['ogg']['pageheader']['opus']['out_channel_count'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
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changeset
|
451 |
$filedataoffset += 1; |
|
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diff
changeset
|
452 |
|
|
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diff
changeset
|
453 |
if ($info['ogg']['pageheader']['opus']['out_channel_count'] == 0) { |
|
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parents:
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diff
changeset
|
454 |
$this->error('Invalid channel count in opus header (must not be zero)'); |
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changeset
|
455 |
return false; |
|
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changeset
|
456 |
} |
|
cf61fcea0001
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diff
changeset
|
457 |
|
|
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changeset
|
458 |
$info['ogg']['pageheader']['opus']['pre_skip'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2)); |
|
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changeset
|
459 |
$filedataoffset += 2; |
|
cf61fcea0001
resynchronize code repo with production
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parents:
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diff
changeset
|
460 |
|
|
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changeset
|
461 |
$info['ogg']['pageheader']['opus']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
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resynchronize code repo with production
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changeset
|
462 |
$filedataoffset += 4; |
|
cf61fcea0001
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diff
changeset
|
463 |
|
|
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changeset
|
464 |
//$info['ogg']['pageheader']['opus']['output_gain'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 2)); |
|
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changeset
|
465 |
//$filedataoffset += 2; |
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diff
changeset
|
466 |
|
|
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changeset
|
467 |
//$info['ogg']['pageheader']['opus']['channel_mapping_family'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
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diff
changeset
|
468 |
//$filedataoffset += 1; |
|
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diff
changeset
|
469 |
|
|
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changeset
|
470 |
$info['opus']['opus_version'] = $info['ogg']['pageheader']['opus']['version']; |
|
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parents:
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diff
changeset
|
471 |
$info['opus']['sample_rate'] = $info['ogg']['pageheader']['opus']['sample_rate']; |
|
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parents:
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diff
changeset
|
472 |
$info['opus']['out_channel_count'] = $info['ogg']['pageheader']['opus']['out_channel_count']; |
|
cf61fcea0001
resynchronize code repo with production
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parents:
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diff
changeset
|
473 |
|
|
cf61fcea0001
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parents:
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diff
changeset
|
474 |
$info['audio']['channels'] = $info['opus']['out_channel_count']; |
|
cf61fcea0001
resynchronize code repo with production
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parents:
5
diff
changeset
|
475 |
$info['audio']['sample_rate'] = $info['opus']['sample_rate']; |
|
cf61fcea0001
resynchronize code repo with production
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diff
changeset
|
476 |
return true; |
|
cf61fcea0001
resynchronize code repo with production
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parents:
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diff
changeset
|
477 |
} |
|
cf61fcea0001
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parents:
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diff
changeset
|
478 |
|
|
cf61fcea0001
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parents:
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diff
changeset
|
479 |
|
| 0 | 480 |
public function ParseOggPageHeader() { |
481 |
// http://xiph.org/ogg/vorbis/doc/framing.html |
|
482 |
$oggheader['page_start_offset'] = $this->ftell(); // where we started from in the file |
|
483 |
||
484 |
$filedata = $this->fread($this->getid3->fread_buffer_size()); |
|
485 |
$filedataoffset = 0; |
|
486 |
while ((substr($filedata, $filedataoffset++, 4) != 'OggS')) { |
|
487 |
if (($this->ftell() - $oggheader['page_start_offset']) >= $this->getid3->fread_buffer_size()) { |
|
488 |
// should be found before here |
|
489 |
return false; |
|
490 |
} |
|
491 |
if ((($filedataoffset + 28) > strlen($filedata)) || (strlen($filedata) < 28)) { |
|
492 |
if ($this->feof() || (($filedata .= $this->fread($this->getid3->fread_buffer_size())) === false)) { |
|
493 |
// get some more data, unless eof, in which case fail |
|
494 |
return false; |
|
495 |
} |
|
496 |
} |
|
497 |
} |
|
498 |
$filedataoffset += strlen('OggS') - 1; // page, delimited by 'OggS' |
|
499 |
||
500 |
$oggheader['stream_structver'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
501 |
$filedataoffset += 1; |
|
502 |
$oggheader['flags_raw'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
503 |
$filedataoffset += 1; |
|
504 |
$oggheader['flags']['fresh'] = (bool) ($oggheader['flags_raw'] & 0x01); // fresh packet |
|
505 |
$oggheader['flags']['bos'] = (bool) ($oggheader['flags_raw'] & 0x02); // first page of logical bitstream (bos) |
|
506 |
$oggheader['flags']['eos'] = (bool) ($oggheader['flags_raw'] & 0x04); // last page of logical bitstream (eos) |
|
507 |
||
508 |
$oggheader['pcm_abs_position'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 8)); |
|
509 |
$filedataoffset += 8; |
|
510 |
$oggheader['stream_serialno'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
511 |
$filedataoffset += 4; |
|
512 |
$oggheader['page_seqno'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
513 |
$filedataoffset += 4; |
|
514 |
$oggheader['page_checksum'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 4)); |
|
515 |
$filedataoffset += 4; |
|
516 |
$oggheader['page_segments'] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
517 |
$filedataoffset += 1; |
|
518 |
$oggheader['page_length'] = 0; |
|
519 |
for ($i = 0; $i < $oggheader['page_segments']; $i++) { |
|
520 |
$oggheader['segment_table'][$i] = getid3_lib::LittleEndian2Int(substr($filedata, $filedataoffset, 1)); |
|
521 |
$filedataoffset += 1; |
|
522 |
$oggheader['page_length'] += $oggheader['segment_table'][$i]; |
|
523 |
} |
|
524 |
$oggheader['header_end_offset'] = $oggheader['page_start_offset'] + $filedataoffset; |
|
525 |
$oggheader['page_end_offset'] = $oggheader['header_end_offset'] + $oggheader['page_length']; |
|
526 |
$this->fseek($oggheader['header_end_offset']); |
|
527 |
||
528 |
return $oggheader; |
|
529 |
} |
|
530 |
||
531 |
// http://xiph.org/vorbis/doc/Vorbis_I_spec.html#x1-810005 |
|
532 |
public function ParseVorbisComments() { |
|
533 |
$info = &$this->getid3->info; |
|
534 |
||
535 |
$OriginalOffset = $this->ftell(); |
|
536 |
$commentdataoffset = 0; |
|
537 |
$VorbisCommentPage = 1; |
|
538 |
||
539 |
switch ($info['audio']['dataformat']) { |
|
540 |
case 'vorbis': |
|
541 |
case 'speex': |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
542 |
case 'opus': |
| 0 | 543 |
$CommentStartOffset = $info['ogg']['pageheader'][$VorbisCommentPage]['page_start_offset']; // Second Ogg page, after header block |
544 |
$this->fseek($CommentStartOffset); |
|
545 |
$commentdataoffset = 27 + $info['ogg']['pageheader'][$VorbisCommentPage]['page_segments']; |
|
546 |
$commentdata = $this->fread(self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1) + $commentdataoffset); |
|
547 |
||
548 |
if ($info['audio']['dataformat'] == 'vorbis') { |
|
549 |
$commentdataoffset += (strlen('vorbis') + 1); |
|
550 |
} |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
551 |
else if ($info['audio']['dataformat'] == 'opus') { |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
552 |
$commentdataoffset += strlen('OpusTags'); |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
553 |
} |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
554 |
|
| 0 | 555 |
break; |
556 |
||
557 |
case 'flac': |
|
558 |
$CommentStartOffset = $info['flac']['VORBIS_COMMENT']['raw']['offset'] + 4; |
|
559 |
$this->fseek($CommentStartOffset); |
|
560 |
$commentdata = $this->fread($info['flac']['VORBIS_COMMENT']['raw']['block_length']); |
|
561 |
break; |
|
562 |
||
563 |
default: |
|
564 |
return false; |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
565 |
break; |
| 0 | 566 |
} |
567 |
||
568 |
$VendorSize = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4)); |
|
569 |
$commentdataoffset += 4; |
|
570 |
||
571 |
$info['ogg']['vendor'] = substr($commentdata, $commentdataoffset, $VendorSize); |
|
572 |
$commentdataoffset += $VendorSize; |
|
573 |
||
574 |
$CommentsCount = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4)); |
|
575 |
$commentdataoffset += 4; |
|
576 |
$info['avdataoffset'] = $CommentStartOffset + $commentdataoffset; |
|
577 |
||
578 |
$basicfields = array('TITLE', 'ARTIST', 'ALBUM', 'TRACKNUMBER', 'GENRE', 'DATE', 'DESCRIPTION', 'COMMENT'); |
|
579 |
$ThisFileInfo_ogg_comments_raw = &$info['ogg']['comments_raw']; |
|
580 |
for ($i = 0; $i < $CommentsCount; $i++) { |
|
581 |
||
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
582 |
if ($i >= 10000) { |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
583 |
// https://github.com/owncloud/music/issues/212#issuecomment-43082336 |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
584 |
$this->warning('Unexpectedly large number ('.$CommentsCount.') of Ogg comments - breaking after reading '.$i.' comments'); |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
585 |
break; |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
586 |
} |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
587 |
|
| 0 | 588 |
$ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] = $CommentStartOffset + $commentdataoffset; |
589 |
||
590 |
if ($this->ftell() < ($ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + 4)) { |
|
591 |
if ($oggpageinfo = $this->ParseOggPageHeader()) { |
|
592 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo; |
|
593 |
||
594 |
$VorbisCommentPage++; |
|
595 |
||
596 |
// First, save what we haven't read yet |
|
597 |
$AsYetUnusedData = substr($commentdata, $commentdataoffset); |
|
598 |
||
599 |
// Then take that data off the end |
|
600 |
$commentdata = substr($commentdata, 0, $commentdataoffset); |
|
601 |
||
602 |
// Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct |
|
603 |
$commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']); |
|
604 |
$commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']); |
|
605 |
||
606 |
// Finally, stick the unused data back on the end |
|
607 |
$commentdata .= $AsYetUnusedData; |
|
608 |
||
609 |
//$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']); |
|
610 |
$commentdata .= $this->fread($this->OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1)); |
|
611 |
} |
|
612 |
||
613 |
} |
|
614 |
$ThisFileInfo_ogg_comments_raw[$i]['size'] = getid3_lib::LittleEndian2Int(substr($commentdata, $commentdataoffset, 4)); |
|
615 |
||
616 |
// replace avdataoffset with position just after the last vorbiscomment |
|
617 |
$info['avdataoffset'] = $ThisFileInfo_ogg_comments_raw[$i]['dataoffset'] + $ThisFileInfo_ogg_comments_raw[$i]['size'] + 4; |
|
618 |
||
619 |
$commentdataoffset += 4; |
|
620 |
while ((strlen($commentdata) - $commentdataoffset) < $ThisFileInfo_ogg_comments_raw[$i]['size']) { |
|
621 |
if (($ThisFileInfo_ogg_comments_raw[$i]['size'] > $info['avdataend']) || ($ThisFileInfo_ogg_comments_raw[$i]['size'] < 0)) { |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
622 |
$this->warning('Invalid Ogg comment size (comment #'.$i.', claims to be '.number_format($ThisFileInfo_ogg_comments_raw[$i]['size']).' bytes) - aborting reading comments'); |
| 0 | 623 |
break 2; |
624 |
} |
|
625 |
||
626 |
$VorbisCommentPage++; |
|
627 |
||
628 |
$oggpageinfo = $this->ParseOggPageHeader(); |
|
629 |
$info['ogg']['pageheader'][$oggpageinfo['page_seqno']] = $oggpageinfo; |
|
630 |
||
631 |
// First, save what we haven't read yet |
|
632 |
$AsYetUnusedData = substr($commentdata, $commentdataoffset); |
|
633 |
||
634 |
// Then take that data off the end |
|
635 |
$commentdata = substr($commentdata, 0, $commentdataoffset); |
|
636 |
||
637 |
// Add [headerlength] bytes of dummy data for the Ogg Page Header, just to keep absolute offsets correct |
|
638 |
$commentdata .= str_repeat("\x00", 27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']); |
|
639 |
$commentdataoffset += (27 + $info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_segments']); |
|
640 |
||
641 |
// Finally, stick the unused data back on the end |
|
642 |
$commentdata .= $AsYetUnusedData; |
|
643 |
||
644 |
//$commentdata .= $this->fread($info['ogg']['pageheader'][$oggpageinfo['page_seqno']]['page_length']); |
|
645 |
if (!isset($info['ogg']['pageheader'][$VorbisCommentPage])) { |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
646 |
$this->warning('undefined Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell()); |
| 0 | 647 |
break; |
648 |
} |
|
649 |
$readlength = self::OggPageSegmentLength($info['ogg']['pageheader'][$VorbisCommentPage], 1); |
|
650 |
if ($readlength <= 0) { |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
651 |
$this->warning('invalid length Vorbis Comment page "'.$VorbisCommentPage.'" at offset '.$this->ftell()); |
| 0 | 652 |
break; |
653 |
} |
|
654 |
$commentdata .= $this->fread($readlength); |
|
655 |
||
656 |
//$filebaseoffset += $oggpageinfo['header_end_offset'] - $oggpageinfo['page_start_offset']; |
|
657 |
} |
|
658 |
$ThisFileInfo_ogg_comments_raw[$i]['offset'] = $commentdataoffset; |
|
659 |
$commentstring = substr($commentdata, $commentdataoffset, $ThisFileInfo_ogg_comments_raw[$i]['size']); |
|
660 |
$commentdataoffset += $ThisFileInfo_ogg_comments_raw[$i]['size']; |
|
661 |
||
662 |
if (!$commentstring) { |
|
663 |
||
664 |
// no comment? |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
665 |
$this->warning('Blank Ogg comment ['.$i.']'); |
| 0 | 666 |
|
667 |
} elseif (strstr($commentstring, '=')) { |
|
668 |
||
669 |
$commentexploded = explode('=', $commentstring, 2); |
|
670 |
$ThisFileInfo_ogg_comments_raw[$i]['key'] = strtoupper($commentexploded[0]); |
|
671 |
$ThisFileInfo_ogg_comments_raw[$i]['value'] = (isset($commentexploded[1]) ? $commentexploded[1] : ''); |
|
672 |
||
673 |
if ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'METADATA_BLOCK_PICTURE') { |
|
674 |
||
675 |
// http://wiki.xiph.org/VorbisComment#METADATA_BLOCK_PICTURE |
|
676 |
// The unencoded format is that of the FLAC picture block. The fields are stored in big endian order as in FLAC, picture data is stored according to the relevant standard. |
|
677 |
// http://flac.sourceforge.net/format.html#metadata_block_picture |
|
678 |
$flac = new getid3_flac($this->getid3); |
|
679 |
$flac->setStringMode(base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value'])); |
|
680 |
$flac->parsePICTURE(); |
|
681 |
$info['ogg']['comments']['picture'][] = $flac->getid3->info['flac']['PICTURE'][0]; |
|
682 |
unset($flac); |
|
683 |
||
684 |
} elseif ($ThisFileInfo_ogg_comments_raw[$i]['key'] == 'COVERART') { |
|
685 |
||
686 |
$data = base64_decode($ThisFileInfo_ogg_comments_raw[$i]['value']); |
|
687 |
$this->notice('Found deprecated COVERART tag, it should be replaced in honor of METADATA_BLOCK_PICTURE structure'); |
|
688 |
/** @todo use 'coverartmime' where available */ |
|
689 |
$imageinfo = getid3_lib::GetDataImageSize($data); |
|
690 |
if ($imageinfo === false || !isset($imageinfo['mime'])) { |
|
691 |
$this->warning('COVERART vorbiscomment tag contains invalid image'); |
|
692 |
continue; |
|
693 |
} |
|
694 |
||
695 |
$ogg = new self($this->getid3); |
|
696 |
$ogg->setStringMode($data); |
|
697 |
$info['ogg']['comments']['picture'][] = array( |
|
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
698 |
'image_mime' => $imageinfo['mime'], |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
699 |
'datalength' => strlen($data), |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
700 |
'picturetype' => 'cover art', |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
701 |
'image_height' => $imageinfo['height'], |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
702 |
'image_width' => $imageinfo['width'], |
|
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
703 |
'data' => $ogg->saveAttachment('coverart', 0, strlen($data), $imageinfo['mime']), |
| 0 | 704 |
); |
705 |
unset($ogg); |
|
706 |
||
707 |
} else { |
|
708 |
||
709 |
$info['ogg']['comments'][strtolower($ThisFileInfo_ogg_comments_raw[$i]['key'])][] = $ThisFileInfo_ogg_comments_raw[$i]['value']; |
|
710 |
||
711 |
} |
|
712 |
||
713 |
} else { |
|
714 |
||
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
715 |
$this->warning('[known problem with CDex >= v1.40, < v1.50b7] Invalid Ogg comment name/value pair ['.$i.']: '.$commentstring); |
| 0 | 716 |
|
717 |
} |
|
718 |
unset($ThisFileInfo_ogg_comments_raw[$i]); |
|
719 |
} |
|
720 |
unset($ThisFileInfo_ogg_comments_raw); |
|
721 |
||
722 |
||
723 |
// Replay Gain Adjustment |
|
724 |
// http://privatewww.essex.ac.uk/~djmrob/replaygain/ |
|
725 |
if (isset($info['ogg']['comments']) && is_array($info['ogg']['comments'])) { |
|
726 |
foreach ($info['ogg']['comments'] as $index => $commentvalue) { |
|
727 |
switch ($index) { |
|
728 |
case 'rg_audiophile': |
|
729 |
case 'replaygain_album_gain': |
|
730 |
$info['replay_gain']['album']['adjustment'] = (double) $commentvalue[0]; |
|
731 |
unset($info['ogg']['comments'][$index]); |
|
732 |
break; |
|
733 |
||
734 |
case 'rg_radio': |
|
735 |
case 'replaygain_track_gain': |
|
736 |
$info['replay_gain']['track']['adjustment'] = (double) $commentvalue[0]; |
|
737 |
unset($info['ogg']['comments'][$index]); |
|
738 |
break; |
|
739 |
||
740 |
case 'replaygain_album_peak': |
|
741 |
$info['replay_gain']['album']['peak'] = (double) $commentvalue[0]; |
|
742 |
unset($info['ogg']['comments'][$index]); |
|
743 |
break; |
|
744 |
||
745 |
case 'rg_peak': |
|
746 |
case 'replaygain_track_peak': |
|
747 |
$info['replay_gain']['track']['peak'] = (double) $commentvalue[0]; |
|
748 |
unset($info['ogg']['comments'][$index]); |
|
749 |
break; |
|
750 |
||
751 |
case 'replaygain_reference_loudness': |
|
752 |
$info['replay_gain']['reference_volume'] = (double) $commentvalue[0]; |
|
753 |
unset($info['ogg']['comments'][$index]); |
|
754 |
break; |
|
755 |
||
756 |
default: |
|
757 |
// do nothing |
|
758 |
break; |
|
759 |
} |
|
760 |
} |
|
761 |
} |
|
762 |
||
763 |
$this->fseek($OriginalOffset); |
|
764 |
||
765 |
return true; |
|
766 |
} |
|
767 |
||
768 |
public static function SpeexBandModeLookup($mode) { |
|
769 |
static $SpeexBandModeLookup = array(); |
|
770 |
if (empty($SpeexBandModeLookup)) { |
|
771 |
$SpeexBandModeLookup[0] = 'narrow'; |
|
772 |
$SpeexBandModeLookup[1] = 'wide'; |
|
773 |
$SpeexBandModeLookup[2] = 'ultra-wide'; |
|
774 |
} |
|
775 |
return (isset($SpeexBandModeLookup[$mode]) ? $SpeexBandModeLookup[$mode] : null); |
|
776 |
} |
|
777 |
||
778 |
||
779 |
public static function OggPageSegmentLength($OggInfoArray, $SegmentNumber=1) { |
|
780 |
for ($i = 0; $i < $SegmentNumber; $i++) { |
|
781 |
$segmentlength = 0; |
|
782 |
foreach ($OggInfoArray['segment_table'] as $key => $value) { |
|
783 |
$segmentlength += $value; |
|
784 |
if ($value < 255) { |
|
785 |
break; |
|
786 |
} |
|
787 |
} |
|
788 |
} |
|
789 |
return $segmentlength; |
|
790 |
} |
|
791 |
||
792 |
||
793 |
public static function get_quality_from_nominal_bitrate($nominal_bitrate) { |
|
794 |
||
795 |
// decrease precision |
|
796 |
$nominal_bitrate = $nominal_bitrate / 1000; |
|
797 |
||
798 |
if ($nominal_bitrate < 128) { |
|
799 |
// q-1 to q4 |
|
800 |
$qval = ($nominal_bitrate - 64) / 16; |
|
801 |
} elseif ($nominal_bitrate < 256) { |
|
802 |
// q4 to q8 |
|
803 |
$qval = $nominal_bitrate / 32; |
|
804 |
} elseif ($nominal_bitrate < 320) { |
|
805 |
// q8 to q9 |
|
806 |
$qval = ($nominal_bitrate + 256) / 64; |
|
807 |
} else { |
|
808 |
// q9 to q10 |
|
809 |
$qval = ($nominal_bitrate + 1300) / 180; |
|
810 |
} |
|
811 |
//return $qval; // 5.031324 |
|
812 |
//return intval($qval); // 5 |
|
813 |
return round($qval, 1); // 5 or 4.9 |
|
814 |
} |
|
815 |
||
| 5 | 816 |
public static function TheoraColorSpace($colorspace_id) { |
817 |
// http://www.theora.org/doc/Theora.pdf (table 6.3) |
|
818 |
static $TheoraColorSpaceLookup = array(); |
|
819 |
if (empty($TheoraColorSpaceLookup)) { |
|
820 |
$TheoraColorSpaceLookup[0] = 'Undefined'; |
|
821 |
$TheoraColorSpaceLookup[1] = 'Rec. 470M'; |
|
822 |
$TheoraColorSpaceLookup[2] = 'Rec. 470BG'; |
|
823 |
$TheoraColorSpaceLookup[3] = 'Reserved'; |
|
824 |
} |
|
825 |
return (isset($TheoraColorSpaceLookup[$colorspace_id]) ? $TheoraColorSpaceLookup[$colorspace_id] : null); |
|
826 |
} |
|
827 |
||
828 |
public static function TheoraPixelFormat($pixelformat_id) { |
|
829 |
// http://www.theora.org/doc/Theora.pdf (table 6.4) |
|
830 |
static $TheoraPixelFormatLookup = array(); |
|
831 |
if (empty($TheoraPixelFormatLookup)) { |
|
832 |
$TheoraPixelFormatLookup[0] = '4:2:0'; |
|
833 |
$TheoraPixelFormatLookup[1] = 'Reserved'; |
|
834 |
$TheoraPixelFormatLookup[2] = '4:2:2'; |
|
835 |
$TheoraPixelFormatLookup[3] = '4:4:4'; |
|
836 |
} |
|
837 |
return (isset($TheoraPixelFormatLookup[$pixelformat_id]) ? $TheoraPixelFormatLookup[$pixelformat_id] : null); |
|
838 |
} |
|
839 |
||
|
7
cf61fcea0001
resynchronize code repo with production
ymh <ymh.work@gmail.com>
parents:
5
diff
changeset
|
840 |
} |