Lines Matching refs:info
28 $info = &$this->getid3->info;
30 $this->fseek($info['avdataoffset']);
34 $this->error('Expected "LPAC" at offset '.$info['avdataoffset'].', found "'.$StreamMarker.'"');
37 $info['avdataoffset'] += 14;
39 $info['fileformat'] = 'lpac';
40 $info['audio']['dataformat'] = 'lpac';
41 $info['audio']['lossless'] = true;
42 $info['audio']['bitrate_mode'] = 'vbr';
44 $info['lpac']['file_version'] = getid3_lib::BigEndian2Int(substr($LPACheader, 4, 1));
46 $info['lpac']['total_samples']= getid3_lib::BigEndian2Int(substr($LPACheader, 6, 4));
49 $info['lpac']['flags']['is_wave'] = (bool) ($flags['audio_type'] & 0x40);
50 $info['lpac']['flags']['stereo'] = (bool) ($flags['audio_type'] & 0x04);
51 $info['lpac']['flags']['24_bit'] = (bool) ($flags['audio_type'] & 0x02);
52 $info['lpac']['flags']['16_bit'] = (bool) ($flags['audio_type'] & 0x01);
54 if ($info['lpac']['flags']['24_bit'] && $info['lpac']['flags']['16_bit']) {
58 $info['lpac']['flags']['fast_compress'] = (bool) ($flags['parameters'] & 0x40000000);
59 $info['lpac']['flags']['random_access'] = (bool) ($flags['parameters'] & 0x08000000);
60 …$info['lpac']['block_length'] = pow(2, (($flags['parameters'] & 0x07000000) …
61 $info['lpac']['flags']['adaptive_prediction_order'] = (bool) ($flags['parameters'] & 0x00800000);
62 $info['lpac']['flags']['adaptive_quantization'] = (bool) ($flags['parameters'] & 0x00400000);
63 $info['lpac']['flags']['joint_stereo'] = (bool) ($flags['parameters'] & 0x00040000);
64 …$info['lpac']['quantization'] = ($flags['parameters'] & 0x00001F00) …
65 $info['lpac']['max_prediction_order'] = ($flags['parameters'] & 0x0000003F);
67 if ($info['lpac']['flags']['fast_compress'] && ($info['lpac']['max_prediction_order'] != 3)) {
68 …on_order expected to be "3" if fast_compress is true, actual value is "'.$info['lpac']['max_predic…
70 switch ($info['lpac']['file_version']) {
72 if ($info['lpac']['flags']['adaptive_quantization']) {
75 if ($info['lpac']['quantization'] != 20) {
76 …$this->warning('Quantization expected to be 20 in LPAC file stucture v6, actually '.$info['lpac'][…
86 …$getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp…
87 $getid3_temp->info = $info;
90 $info['avdataoffset'] = $getid3_temp->info['avdataoffset'];
91 $info['riff'] = $getid3_temp->info['riff'];
92 $info['error'] = $getid3_temp->info['error'];
93 $info['warning'] = $getid3_temp->info['warning'];
94 $info['lpac']['comments']['comment'] = $getid3_temp->info['comments'];
95 $info['audio']['sample_rate'] = $getid3_temp->info['audio']['sample_rate'];
98 $info['audio']['channels'] = ($info['lpac']['flags']['stereo'] ? 2 : 1);
100 if ($info['lpac']['flags']['24_bit']) {
101 $info['audio']['bits_per_sample'] = $info['riff']['audio'][0]['bits_per_sample'];
102 } elseif ($info['lpac']['flags']['16_bit']) {
103 $info['audio']['bits_per_sample'] = 16;
105 $info['audio']['bits_per_sample'] = 8;
108 if ($info['lpac']['flags']['fast_compress']) {
110 $info['audio']['encoder_options'] = '-1';
112 switch ($info['lpac']['max_prediction_order']) {
114 $info['audio']['encoder_options'] = '-2';
117 $info['audio']['encoder_options'] = '-3';
120 $info['audio']['encoder_options'] = '-4';
123 $info['audio']['encoder_options'] = '-5';
128 $info['playtime_seconds'] = $info['lpac']['total_samples'] / $info['audio']['sample_rate'];
129 …$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_s…