|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* This file is part of the PHP-FFmpeg-video-streaming package. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) Amin Yazdanpanah <[email protected]> |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace Streaming\Filters; |
|
13
|
|
|
|
|
14
|
|
|
use Streaming\File; |
|
15
|
|
|
use Streaming\Representation; |
|
16
|
|
|
use Streaming\Utiles; |
|
17
|
|
|
|
|
18
|
|
|
class HLSFilter extends Filter |
|
19
|
|
|
{ |
|
20
|
|
|
/** @var \Streaming\HLS */ |
|
21
|
|
|
private $hls; |
|
22
|
|
|
|
|
23
|
|
|
/** @var string */ |
|
24
|
|
|
private $dirname; |
|
25
|
|
|
|
|
26
|
|
|
/** @var string */ |
|
27
|
|
|
private $filename; |
|
28
|
|
|
|
|
29
|
|
|
/** @var string */ |
|
30
|
|
|
private $seg_sub_dir; |
|
31
|
|
|
|
|
32
|
|
|
/** @var string */ |
|
33
|
|
|
private $base_url; |
|
34
|
|
|
|
|
35
|
|
|
/** @var string */ |
|
36
|
|
|
private $seg_filename; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @param |
|
40
|
|
|
* @return array |
|
41
|
|
|
*/ |
|
|
|
|
|
|
42
|
|
|
private function getFormats(): array |
|
43
|
|
|
{ |
|
44
|
|
|
$format = ['-c:v', $this->hls->getFormat()->getVideoCodec()]; |
|
|
|
|
|
|
45
|
|
|
$audio_format = $this->hls->getFormat()->getAudioCodec(); |
|
|
|
|
|
|
46
|
|
|
|
|
47
|
|
|
return $audio_format ? array_merge($format, ['-c:a', $audio_format]) : $format; |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
/** |
|
51
|
|
|
* @param Representation $rep |
|
52
|
|
|
* @param bool $not_last |
|
53
|
|
|
* @return array |
|
54
|
|
|
*/ |
|
55
|
|
|
private function playlistPath(Representation $rep, bool $not_last): array |
|
56
|
|
|
{ |
|
57
|
|
|
return $not_last ? [$this->dirname . "/" . $this->filename . "_" . $rep->getHeight() . "p.m3u8"] : []; |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* @param Representation $rep |
|
62
|
|
|
* @return array |
|
63
|
|
|
*/ |
|
64
|
|
|
private function getAudioBitrate(Representation $rep): array |
|
65
|
|
|
{ |
|
66
|
|
|
return $rep->getAudioKiloBitrate() ? ["-b:a", $rep->getAudioKiloBitrate() . "k"] : []; |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* @return array |
|
71
|
|
|
*/ |
|
72
|
|
|
private function getBaseURL(): array |
|
73
|
|
|
{ |
|
74
|
|
|
return $this->base_url ? ["-hls_base_url", $this->base_url] : []; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* @param |
|
79
|
|
|
* @return array |
|
80
|
|
|
*/ |
|
|
|
|
|
|
81
|
|
|
private function getKeyInfo(): array |
|
82
|
|
|
{ |
|
83
|
|
|
return $this->hls->getHlsKeyInfoFile() ? ["-hls_key_info_file", $this->hls->getHlsKeyInfoFile()] : []; |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** |
|
87
|
|
|
* @return string |
|
88
|
|
|
*/ |
|
89
|
|
|
private function getInitFilename(): string |
|
90
|
|
|
{ |
|
91
|
|
|
return $this->seg_sub_dir . $this->filename . "_" . $this->hls->getHlsFmp4InitFilename(); |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
/** |
|
95
|
|
|
* @param Representation $rep |
|
96
|
|
|
* @return string |
|
97
|
|
|
*/ |
|
98
|
|
|
private function getSegmentFilename(Representation $rep): string |
|
99
|
|
|
{ |
|
100
|
|
|
$ext = ($this->hls->getHlsFmp4InitFilename() === "fmp4") ? "m4s" : "ts"; |
|
101
|
|
|
return $this->seg_filename . "_" . $rep->getHeight() . "p_%04d." . $ext; |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* @param Representation $rep |
|
106
|
|
|
* @return array |
|
107
|
|
|
*/ |
|
108
|
|
|
private function initArgs(Representation $rep): array |
|
109
|
|
|
{ |
|
110
|
|
|
return [ |
|
111
|
|
|
"-s:v", $rep->getResize(), |
|
112
|
|
|
"-crf", "20", |
|
113
|
|
|
"-sc_threshold", "0", |
|
114
|
|
|
"-g", "48", |
|
115
|
|
|
"-keyint_min", "48", |
|
116
|
|
|
"-hls_list_size", $this->hls->getHlsListSize(), |
|
117
|
|
|
"-hls_time", $this->hls->getHlsTime(), |
|
118
|
|
|
"-hls_allow_cache", (int)$this->hls->isHlsAllowCache(), |
|
119
|
|
|
"-b:v", $rep->getKiloBitrate() . "k", |
|
120
|
|
|
"-maxrate", intval($rep->getKiloBitrate() * 1.2) . "k", |
|
121
|
|
|
"-hls_segment_type", $this->hls->getHlsSegmentType(), |
|
122
|
|
|
"-hls_fmp4_init_filename", $this->getInitFilename(), |
|
123
|
|
|
"-hls_segment_filename", $this->getSegmentFilename($rep) |
|
124
|
|
|
]; |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
/** |
|
128
|
|
|
* @param Representation $rep |
|
129
|
|
|
* @param bool $not_last |
|
130
|
|
|
*/ |
|
131
|
|
|
private function getArgs(Representation $rep, bool $not_last): void |
|
132
|
|
|
{ |
|
133
|
|
|
$this->filter = array_merge( |
|
134
|
|
|
$this->filter, |
|
135
|
|
|
$this->initArgs($rep), |
|
136
|
|
|
$this->getAudioBitrate($rep), |
|
137
|
|
|
$this->getBaseURL(), |
|
138
|
|
|
$this->getKeyInfo(), |
|
139
|
|
|
$this->hls->getAdditionalParams(), |
|
140
|
|
|
["-strict", $this->hls->getStrict()], |
|
141
|
|
|
$this->playlistPath($rep, $not_last) |
|
142
|
|
|
); |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
/** |
|
146
|
|
|
* set segments paths |
|
147
|
|
|
*/ |
|
148
|
|
|
private function segmentPaths() |
|
149
|
|
|
{ |
|
150
|
|
|
if ($this->hls->getTsSubDirectory()) { |
|
151
|
|
|
File::makeDir($this->dirname . "/" . $this->hls->getTsSubDirectory() . "/"); |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
|
|
$base = Utiles::appendSlash($this->hls->getHlsBaseUrl()); |
|
155
|
|
|
|
|
156
|
|
|
$this->seg_sub_dir = Utiles::appendSlash($this->hls->getTsSubDirectory()); |
|
157
|
|
|
$this->seg_filename = $this->dirname . "/" . $this->seg_sub_dir . $this->filename; |
|
158
|
|
|
$this->base_url = $base . $this->seg_sub_dir; |
|
159
|
|
|
} |
|
160
|
|
|
|
|
161
|
|
|
/** |
|
162
|
|
|
* set paths |
|
163
|
|
|
*/ |
|
164
|
|
|
private function setPaths(): void |
|
165
|
|
|
{ |
|
166
|
|
|
$this->dirname = str_replace("\\", "/", $this->hls->getPathInfo(PATHINFO_DIRNAME)); |
|
167
|
|
|
$this->filename = $this->hls->getPathInfo(PATHINFO_FILENAME); |
|
|
|
|
|
|
168
|
|
|
$this->segmentPaths(); |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
/** |
|
172
|
|
|
* @param $media |
|
173
|
|
|
* @return void |
|
174
|
|
|
*/ |
|
175
|
|
|
public function setFilter($media): void |
|
176
|
|
|
{ |
|
177
|
|
|
$this->hls = $media; |
|
178
|
|
|
$this->setPaths(); |
|
179
|
|
|
|
|
180
|
|
|
$reps = $this->hls->getRepresentations(); |
|
181
|
|
|
|
|
182
|
|
|
foreach ($reps as $key => $rep) { |
|
183
|
|
|
if ($key) { |
|
184
|
|
|
$this->filter = array_merge($this->filter, $this->getFormats()); |
|
185
|
|
|
} |
|
186
|
|
|
|
|
187
|
|
|
$this->getArgs($rep, end($reps) !== $rep); |
|
188
|
|
|
} |
|
189
|
|
|
} |
|
190
|
|
|
} |