/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
+// also https://github.com/JamesHeinrich/getID3 //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details //
/////////////////////////////////////////////////////////////////
$info['audio']['bitrate_mode'] = 'vbr';
}
+ } elseif (substr($filedata, 0, 7) == "\x80".'theora') {
+
+ // http://www.theora.org/doc/Theora.pdf (section 6.2)
+
+ $info['ogg']['pageheader']['theora']['theora_magic'] = substr($filedata, $filedataoffset, 7); // hard-coded to "\x80.'theora'
+ $filedataoffset += 7;
+ $info['ogg']['pageheader']['theora']['version_major'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
+ $filedataoffset += 1;
+ $info['ogg']['pageheader']['theora']['version_minor'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
+ $filedataoffset += 1;
+ $info['ogg']['pageheader']['theora']['version_revision'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
+ $filedataoffset += 1;
+ $info['ogg']['pageheader']['theora']['frame_width_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
+ $filedataoffset += 2;
+ $info['ogg']['pageheader']['theora']['frame_height_macroblocks'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
+ $filedataoffset += 2;
+ $info['ogg']['pageheader']['theora']['resolution_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
+ $filedataoffset += 3;
+ $info['ogg']['pageheader']['theora']['resolution_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
+ $filedataoffset += 3;
+ $info['ogg']['pageheader']['theora']['picture_offset_x'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
+ $filedataoffset += 1;
+ $info['ogg']['pageheader']['theora']['picture_offset_y'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
+ $filedataoffset += 1;
+ $info['ogg']['pageheader']['theora']['frame_rate_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4));
+ $filedataoffset += 4;
+ $info['ogg']['pageheader']['theora']['frame_rate_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 4));
+ $filedataoffset += 4;
+ $info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
+ $filedataoffset += 3;
+ $info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
+ $filedataoffset += 3;
+ $info['ogg']['pageheader']['theora']['color_space_id'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 1));
+ $filedataoffset += 1;
+ $info['ogg']['pageheader']['theora']['nominal_bitrate'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 3));
+ $filedataoffset += 3;
+ $info['ogg']['pageheader']['theora']['flags'] = getid3_lib::BigEndian2Int(substr($filedata, $filedataoffset, 2));
+ $filedataoffset += 2;
+
+ $info['ogg']['pageheader']['theora']['quality'] = ($info['ogg']['pageheader']['theora']['flags'] & 0xFC00) >> 10;
+ $info['ogg']['pageheader']['theora']['kfg_shift'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x03E0) >> 5;
+ $info['ogg']['pageheader']['theora']['pixel_format_id'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0018) >> 3;
+ $info['ogg']['pageheader']['theora']['reserved'] = ($info['ogg']['pageheader']['theora']['flags'] & 0x0007) >> 0; // should be 0
+ $info['ogg']['pageheader']['theora']['color_space'] = self::TheoraColorSpace($info['ogg']['pageheader']['theora']['color_space_id']);
+ $info['ogg']['pageheader']['theora']['pixel_format'] = self::TheoraPixelFormat($info['ogg']['pageheader']['theora']['pixel_format_id']);
+
+ $info['video']['dataformat'] = 'theora';
+ $info['mime_type'] = 'video/ogg';
+ //$info['audio']['bitrate_mode'] = 'abr';
+ //$info['audio']['lossless'] = false;
+ $info['video']['resolution_x'] = $info['ogg']['pageheader']['theora']['resolution_x'];
+ $info['video']['resolution_y'] = $info['ogg']['pageheader']['theora']['resolution_y'];
+ if ($info['ogg']['pageheader']['theora']['frame_rate_denominator'] > 0) {
+ $info['video']['frame_rate'] = (float) $info['ogg']['pageheader']['theora']['frame_rate_numerator'] / $info['ogg']['pageheader']['theora']['frame_rate_denominator'];
+ }
+ if ($info['ogg']['pageheader']['theora']['pixel_aspect_denominator'] > 0) {
+ $info['video']['pixel_aspect_ratio'] = (float) $info['ogg']['pageheader']['theora']['pixel_aspect_numerator'] / $info['ogg']['pageheader']['theora']['pixel_aspect_denominator'];
+ }
+$info['warning'][] = 'Ogg Theora (v3) not fully supported in this version of getID3 ['.$this->getid3->version().'] -- bitrate, playtime and all audio data are currently unavailable';
+
} elseif (substr($filedata, 0, 8) == "fishead\x00") {
} elseif (substr($filedata, 1, 6) == 'theora') {
- $info['video']['dataformat'] = 'theora';
- $info['error'][] = 'Ogg Theora not correctly handled in this version of getID3 ['.$this->getid3->version().']';
+ $info['video']['dataformat'] = 'theora1';
+ $info['error'][] = 'Ogg Theora (v1) not correctly handled in this version of getID3 ['.$this->getid3->version().']';
//break;
} elseif (substr($filedata, 1, 6) == 'vorbis') {
return round($qval, 1); // 5 or 4.9
}
-}
+ public static function TheoraColorSpace($colorspace_id) {
+ // http://www.theora.org/doc/Theora.pdf (table 6.3)
+ static $TheoraColorSpaceLookup = array();
+ if (empty($TheoraColorSpaceLookup)) {
+ $TheoraColorSpaceLookup[0] = 'Undefined';
+ $TheoraColorSpaceLookup[1] = 'Rec. 470M';
+ $TheoraColorSpaceLookup[2] = 'Rec. 470BG';
+ $TheoraColorSpaceLookup[3] = 'Reserved';
+ }
+ return (isset($TheoraColorSpaceLookup[$colorspace_id]) ? $TheoraColorSpaceLookup[$colorspace_id] : null);
+ }
+
+ public static function TheoraPixelFormat($pixelformat_id) {
+ // http://www.theora.org/doc/Theora.pdf (table 6.4)
+ static $TheoraPixelFormatLookup = array();
+ if (empty($TheoraPixelFormatLookup)) {
+ $TheoraPixelFormatLookup[0] = '4:2:0';
+ $TheoraPixelFormatLookup[1] = 'Reserved';
+ $TheoraPixelFormatLookup[2] = '4:2:2';
+ $TheoraPixelFormatLookup[3] = '4:4:4';
+ }
+ return (isset($TheoraPixelFormatLookup[$pixelformat_id]) ? $TheoraPixelFormatLookup[$pixelformat_id] : null);
+ }
+
+}
\ No newline at end of file