|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace GinoPane\PHPolyglot\API\Supplemental\TTS; |
|
4
|
|
|
|
|
5
|
|
|
use GinoPane\PHPolyglot\Supplemental\GetConstantsTrait; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Interface TtsAudioFormats |
|
9
|
|
|
* |
|
10
|
|
|
* The interface provides constants for popular basic audio formats. They are completely optional, you can use |
|
11
|
|
|
* every other identifier for audio format, just be sure that your chosen API supports that key and can correctly |
|
12
|
|
|
* process it |
|
13
|
|
|
* |
|
14
|
|
|
* @author Sergey <Gino Pane> Karavay |
|
15
|
|
|
*/ |
|
16
|
|
|
class TtsAudioFormat |
|
17
|
|
|
{ |
|
18
|
|
|
const AUDIO_BASIC = 'basic'; |
|
19
|
|
|
const AUDIO_FLAC = 'flac'; |
|
20
|
|
|
const AUDIO_L16 = 'l16'; |
|
21
|
|
|
const AUDIO_MP3 = 'mp3'; |
|
22
|
|
|
const AUDIO_MPEG = 'mpeg'; |
|
23
|
|
|
const AUDIO_MULAW = 'mulaw'; |
|
24
|
|
|
const AUDIO_OGG = 'ogg'; |
|
25
|
|
|
const AUDIO_WAV = 'wav'; |
|
26
|
|
|
const AUDIO_WEBM = 'webm'; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* @link https://console.bluemix.net/docs/services/speech-to-text/audio-formats.html |
|
30
|
|
|
* |
|
31
|
|
|
* @var string[] |
|
32
|
|
|
*/ |
|
33
|
|
|
private static $defaultFileExtensions = [ |
|
34
|
|
|
self::AUDIO_BASIC => 'au', |
|
35
|
|
|
self::AUDIO_FLAC => 'flac', |
|
36
|
|
|
self::AUDIO_L16 => 'l16', |
|
37
|
|
|
self::AUDIO_MP3 => 'mp3', |
|
38
|
|
|
self::AUDIO_MPEG => 'mp3', |
|
39
|
|
|
self::AUDIO_MULAW => 'ulaw', |
|
40
|
|
|
self::AUDIO_OGG => 'ogg', |
|
41
|
|
|
self::AUDIO_WAV => 'wav', |
|
42
|
|
|
self::AUDIO_WEBM => 'webm' |
|
43
|
|
|
]; |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Stored audio format. Set to mp3 format by default |
|
47
|
|
|
* |
|
48
|
|
|
* @var string |
|
49
|
|
|
*/ |
|
50
|
|
|
private $format = self::AUDIO_MP3; |
|
51
|
|
|
|
|
52
|
|
|
use GetConstantsTrait; |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* TtsAudioFormat constructor |
|
56
|
|
|
* |
|
57
|
|
|
* @param string $format |
|
58
|
|
|
*/ |
|
59
|
|
|
public function __construct(string $format = self::AUDIO_MP3) |
|
60
|
|
|
{ |
|
61
|
|
|
$format = strtolower($format); |
|
62
|
|
|
|
|
63
|
|
|
if ($this->constantValueExists($format)) { |
|
64
|
|
|
$this->format = $format; |
|
65
|
|
|
} else { |
|
66
|
|
|
$this->format = self::AUDIO_MP3; |
|
67
|
|
|
} |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* @return string |
|
72
|
|
|
*/ |
|
73
|
|
|
public function getFormat(): string |
|
74
|
|
|
{ |
|
75
|
|
|
return $this->format; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* @return string |
|
80
|
|
|
*/ |
|
81
|
|
|
public function getFileExtension(): string |
|
82
|
|
|
{ |
|
83
|
|
|
return self::$defaultFileExtensions[$this->format]; |
|
84
|
|
|
} |
|
85
|
|
|
} |
|
86
|
|
|
|