1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
use strict;
use File::Spec::Functions;
use FindBin ();
use Test::More tests => 39;
use Test::Warn;
use Audio::Scan;
# TODO: DLNA profile tests
# AAC_ADTS_320
# HEAAC_L2_ADTS
# HEAAC_L3_ADTS
# AAC_ADTS
# HEAAC_MULT5_ADTS
# AAC_MULT5_ADTS
# Non-compliant file
# Failing profiles:
# O-AAC_ADTS_192-stereo-22.05kHz-45.adts (detects as HEAAC due to low samplerate)
# O-AAC_ADTS_192-stereo-48kHz-141.adts (detects as AAC_ADTS_320 because bitrate is too high)
# Mono ADTS file
{
my $s = Audio::Scan->scan( _f('mono.aac') );
my $info = $s->{info};
is( $info->{audio_offset}, 0, 'Audio offset ok' );
is( $info->{audio_size}, 2053, 'Audio size ok' );
is( $info->{bitrate}, 37000, 'Bitrate ok' );
is( $info->{channels}, 1, 'Channels ok' );
is( $info->{file_size}, 2053, 'File size ok' );
is( $info->{profile}, 'LC', 'Profile ok' );
is( $info->{samplerate}, 44100, 'Samplerate ok' );
is( $info->{song_length_ms}, 441, 'Duration ok' );
is( $info->{dlna_profile}, 'AAC_ADTS_192', 'DLNA profile AAC_ADTS_192 ok' );
}
# Stereo ADTS file
{
my $s = Audio::Scan->scan( _f('stereo.aac') );
my $info = $s->{info};
is( $info->{audio_offset}, 0, 'Stereo ADTS audio offset ok' );
is( $info->{bitrate}, 59000, 'Stereo ADTS bitrate ok' );
is( $info->{channels}, 2, 'Stereo ADTS channels ok' );
is( $info->{profile}, 'LC', 'Stereo ADTS profile ok' );
is( $info->{samplerate}, 44100, 'Stereo ADTS samplerate ok' );
is( $info->{song_length_ms}, 1369, 'Stereo ADTS duration ok' );
}
# ADTS with ID3v2 tags
{
my $s = Audio::Scan->scan( _f('id3v2.aac'), { md5_size => 4096 } );
my $info = $s->{info};
my $tags = $s->{tags};
is( $info->{audio_offset}, 2182, 'ID3v2 audio offset ok' );
is( $info->{audio_size}, 2602, 'ID3v2 audio_size ok' );
is( $info->{audio_md5}, 'f84210edefebcd92792fd1b3d21860d5', 'ID3v2 audio_md5 ok' );
is( $info->{bitrate}, 149000, 'ID3v2 bitrate ok' );
is( $info->{channels}, 2, 'ID3v2 channels ok' );
is( $info->{profile}, 'LC', 'ID3v2 profile ok' );
is( $info->{samplerate}, 44100, 'ID3v2 samplerate ok' );
is( $info->{song_length_ms}, 139, 'ID3v2 duration ok' );
is( $info->{id3_version}, 'ID3v2.3.0', 'ID3v2 version ok' );
is( $tags->{TPE1}, 'Calibration Level', 'ID3v2 TPE1 ok' );
is( $tags->{TENC}, 'ORBAN', 'ID3v2 TENC ok' );
is( $tags->{TIT2}, '1kHz -20dBfs', 'ID3v2 TIT2 ok' );
}
# ADTS with leading junk (from a radio stream)
{
my $s;
warning_like { $s = Audio::Scan->scan( _f('leading-junk.aac') ); }
[ qr/Unable to read at least/ ],
'Leading junk warning ok';
my $info = $s->{info};
is( $info->{audio_offset}, 638, 'Leading junk offset ok' );
is( $info->{bitrate}, 128000, 'Leading junk bitrate ok' );
is( $info->{channels}, 2, 'Leading junk channels ok' );
is( $info->{profile}, 'LC', 'Leading junk profile ok' );
is( $info->{samplerate}, 44100, 'Leading junk samplerate ok' );
is( $info->{dlna_profile}, 'HEAAC_L2_ADTS_320', 'Leading junk DLNA profile HEAAC_L2_ADTS_320 ok' );
}
# Bug 16874, truncated with a partial header
{
my $s = Audio::Scan->scan( _f('truncated.aac') );
my $info = $s->{info};
is( $info->{audio_offset}, 26, 'Truncated offset ok' );
is( $info->{bitrate}, 52000, 'Truncated bitrate ok' );
is( $info->{channels}, 2, 'Truncated channels ok' );
is( $info->{profile}, 'LC', 'Truncated profile ok' );
is( $info->{samplerate}, 44100, 'Truncated samplerate ok' );
}
sub _f {
return catfile( $FindBin::Bin, 'aac', shift );
}
|
