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authorChocobozzz <me@florianbigard.com>2021-01-28 09:37:26 +0100
committerChocobozzz <me@florianbigard.com>2021-01-28 15:55:39 +0100
commit529b37527cff5203a0689a15ce73dcee6e1eece2 (patch)
tree8ca9cbb725b59a8dfadf70526a0e470349c1c720 /server/lib/video-transcoding-profiles.ts
parent923d3d5ad53cd23bf8107e936408e321f6175517 (diff)
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Use a profile manager for transcoding
Diffstat (limited to 'server/lib/video-transcoding-profiles.ts')
-rw-r--r--server/lib/video-transcoding-profiles.ts85
1 files changed, 68 insertions, 17 deletions
diff --git a/server/lib/video-transcoding-profiles.ts b/server/lib/video-transcoding-profiles.ts
index 338f4de4a..bbe556e75 100644
--- a/server/lib/video-transcoding-profiles.ts
+++ b/server/lib/video-transcoding-profiles.ts
@@ -78,32 +78,83 @@ const defaultLibFDKAACVODOptionsBuilder: EncoderOptionsBuilder = ({ streamNum })
78 return { outputOptions: [ buildStreamSuffix('-q:a', streamNum), '5' ] } 78 return { outputOptions: [ buildStreamSuffix('-q:a', streamNum), '5' ] }
79} 79}
80 80
81const availableEncoders: AvailableEncoders = { 81// Used to get and update available encoders
82 vod: { 82class VideoTranscodingProfilesManager {
83 libx264: { 83 private static instance: VideoTranscodingProfilesManager
84 default: defaultX264VODOptionsBuilder 84
85 }, 85 // 1 === less priority
86 aac: { 86 private readonly encodersPriorities = {
87 default: defaultAACOptionsBuilder 87 video: [
88 { name: 'libx264', priority: 100 }
89 ],
90
91 // Try the first one, if not available try the second one etc
92 audio: [
93 // we favor VBR, if a good AAC encoder is available
94 { name: 'libfdk_aac', priority: 200 },
95 { name: 'aac', priority: 100 }
96 ]
97 }
98
99 private readonly availableEncoders = {
100 vod: {
101 libx264: {
102 default: defaultX264VODOptionsBuilder
103 },
104 aac: {
105 default: defaultAACOptionsBuilder
106 },
107 libfdk_aac: {
108 default: defaultLibFDKAACVODOptionsBuilder
109 }
88 }, 110 },
89 libfdk_aac: { 111 live: {
90 default: defaultLibFDKAACVODOptionsBuilder 112 libx264: {
113 default: defaultX264LiveOptionsBuilder
114 },
115 aac: {
116 default: defaultAACOptionsBuilder
117 }
91 } 118 }
92 }, 119 }
93 live: { 120
94 libx264: { 121 private constructor () {
95 default: defaultX264LiveOptionsBuilder 122
96 }, 123 }
97 aac: { 124
98 default: defaultAACOptionsBuilder 125 getAvailableEncoders (): AvailableEncoders {
126 const encodersToTry = {
127 video: this.getEncodersByPriority('video'),
128 audio: this.getEncodersByPriority('audio')
99 } 129 }
130
131 return Object.assign({}, this.availableEncoders, { encodersToTry })
132 }
133
134 getAvailableProfiles (type: 'vod' | 'live') {
135 return this.availableEncoders[type]
136 }
137
138 private getEncodersByPriority (type: 'video' | 'audio') {
139 return this.encodersPriorities[type]
140 .sort((e1, e2) => {
141 if (e1.priority > e2.priority) return -1
142 else if (e1.priority === e2.priority) return 0
143
144 return 1
145 })
146 .map(e => e.name)
147 }
148
149 static get Instance () {
150 return this.instance || (this.instance = new this())
100 } 151 }
101} 152}
102 153
103// --------------------------------------------------------------------------- 154// ---------------------------------------------------------------------------
104 155
105export { 156export {
106 availableEncoders 157 VideoTranscodingProfilesManager
107} 158}
108 159
109// --------------------------------------------------------------------------- 160// ---------------------------------------------------------------------------