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c729caf6 C |
1 | import { FilterSpecification } from 'fluent-ffmpeg' |
2 | import { VIDEO_FILTERS } from '@server/initializers/constants' | |
3 | import { AvailableEncoders } from '@shared/models' | |
4 | import { logger, loggerTagsFactory } from '../logger' | |
5 | import { getFFmpeg, runCommand } from './ffmpeg-commons' | |
6 | import { presetCopy, presetVOD } from './ffmpeg-presets' | |
7 | import { ffprobePromise, getVideoStreamDimensionsInfo, getVideoStreamDuration, getVideoStreamFPS, hasAudioStream } from './ffprobe-utils' | |
8 | ||
9 | const lTags = loggerTagsFactory('ffmpeg') | |
10 | ||
11 | async function cutVideo (options: { | |
12 | inputPath: string | |
13 | outputPath: string | |
14 | start?: number | |
15 | end?: number | |
16 | }) { | |
17 | const { inputPath, outputPath } = options | |
18 | ||
19 | logger.debug('Will cut the video.', { options, ...lTags() }) | |
20 | ||
21 | let command = getFFmpeg(inputPath, 'vod') | |
22 | .output(outputPath) | |
23 | ||
24 | command = presetCopy(command) | |
25 | ||
26 | if (options.start) command.inputOption('-ss ' + options.start) | |
27 | ||
28 | if (options.end) { | |
29 | const endSeeking = options.end - (options.start || 0) | |
30 | ||
31 | command.outputOption('-to ' + endSeeking) | |
32 | } | |
33 | ||
34 | await runCommand({ command }) | |
35 | } | |
36 | ||
37 | async function addWatermark (options: { | |
38 | inputPath: string | |
39 | watermarkPath: string | |
40 | outputPath: string | |
41 | ||
42 | availableEncoders: AvailableEncoders | |
43 | profile: string | |
44 | }) { | |
45 | const { watermarkPath, inputPath, outputPath, availableEncoders, profile } = options | |
46 | ||
47 | logger.debug('Will add watermark to the video.', { options, ...lTags() }) | |
48 | ||
49 | const videoProbe = await ffprobePromise(inputPath) | |
50 | const fps = await getVideoStreamFPS(inputPath, videoProbe) | |
51 | const { resolution } = await getVideoStreamDimensionsInfo(inputPath, videoProbe) | |
52 | ||
53 | let command = getFFmpeg(inputPath, 'vod') | |
54 | .output(outputPath) | |
55 | command.input(watermarkPath) | |
56 | ||
57 | command = await presetVOD({ | |
58 | command, | |
59 | input: inputPath, | |
60 | availableEncoders, | |
61 | profile, | |
62 | resolution, | |
63 | fps, | |
64 | canCopyAudio: true, | |
65 | canCopyVideo: false | |
66 | }) | |
67 | ||
68 | const complexFilter: FilterSpecification[] = [ | |
69 | // Scale watermark | |
70 | { | |
71 | inputs: [ '[1]', '[0]' ], | |
72 | filter: 'scale2ref', | |
73 | options: { | |
74 | w: 'oh*mdar', | |
75 | h: `ih*${VIDEO_FILTERS.WATERMARK.SIZE_RATIO}` | |
76 | }, | |
77 | outputs: [ '[watermark]', '[video]' ] | |
78 | }, | |
79 | ||
80 | { | |
81 | inputs: [ '[video]', '[watermark]' ], | |
82 | filter: 'overlay', | |
83 | options: { | |
84 | x: `main_w - overlay_w - (main_h * ${VIDEO_FILTERS.WATERMARK.HORIZONTAL_MARGIN_RATIO})`, | |
85 | y: `main_h * ${VIDEO_FILTERS.WATERMARK.VERTICAL_MARGIN_RATIO}` | |
86 | } | |
87 | } | |
88 | ] | |
89 | ||
90 | command.complexFilter(complexFilter) | |
91 | ||
92 | await runCommand({ command }) | |
93 | } | |
94 | ||
95 | async function addIntroOutro (options: { | |
96 | inputPath: string | |
97 | introOutroPath: string | |
98 | outputPath: string | |
99 | type: 'intro' | 'outro' | |
100 | ||
101 | availableEncoders: AvailableEncoders | |
102 | profile: string | |
103 | }) { | |
104 | const { introOutroPath, inputPath, outputPath, availableEncoders, profile, type } = options | |
105 | ||
106 | logger.debug('Will add intro/outro to the video.', { options, ...lTags() }) | |
107 | ||
108 | const mainProbe = await ffprobePromise(inputPath) | |
109 | const fps = await getVideoStreamFPS(inputPath, mainProbe) | |
110 | const { resolution } = await getVideoStreamDimensionsInfo(inputPath, mainProbe) | |
111 | const mainHasAudio = await hasAudioStream(inputPath, mainProbe) | |
112 | ||
113 | const introOutroProbe = await ffprobePromise(introOutroPath) | |
114 | const introOutroHasAudio = await hasAudioStream(introOutroPath, introOutroProbe) | |
115 | ||
116 | let command = getFFmpeg(inputPath, 'vod') | |
117 | .output(outputPath) | |
118 | ||
119 | command.input(introOutroPath) | |
120 | ||
121 | if (!introOutroHasAudio && mainHasAudio) { | |
122 | const duration = await getVideoStreamDuration(introOutroPath, introOutroProbe) | |
123 | ||
124 | command.input('anullsrc') | |
125 | command.withInputFormat('lavfi') | |
126 | command.withInputOption('-t ' + duration) | |
127 | } | |
128 | ||
129 | command = await presetVOD({ | |
130 | command, | |
131 | input: inputPath, | |
132 | availableEncoders, | |
133 | profile, | |
134 | resolution, | |
135 | fps, | |
136 | canCopyAudio: false, | |
137 | canCopyVideo: false | |
138 | }) | |
139 | ||
140 | // Add black background to correctly scale intro/outro with padding | |
141 | const complexFilter: FilterSpecification[] = [ | |
142 | { | |
143 | inputs: [ '1', '0' ], | |
144 | filter: 'scale2ref', | |
145 | options: { | |
146 | w: 'iw', | |
147 | h: `ih` | |
148 | }, | |
149 | outputs: [ 'intro-outro', 'main' ] | |
150 | }, | |
151 | { | |
152 | inputs: [ 'intro-outro', 'main' ], | |
153 | filter: 'scale2ref', | |
154 | options: { | |
155 | w: 'iw', | |
156 | h: `ih` | |
157 | }, | |
158 | outputs: [ 'to-scale', 'main' ] | |
159 | }, | |
160 | { | |
161 | inputs: 'to-scale', | |
162 | filter: 'drawbox', | |
163 | options: { | |
164 | t: 'fill' | |
165 | }, | |
166 | outputs: [ 'to-scale-bg' ] | |
167 | }, | |
168 | { | |
169 | inputs: [ '1', 'to-scale-bg' ], | |
170 | filter: 'scale2ref', | |
171 | options: { | |
172 | w: 'iw', | |
173 | h: 'ih', | |
174 | force_original_aspect_ratio: 'decrease', | |
175 | flags: 'spline' | |
176 | }, | |
177 | outputs: [ 'to-scale', 'to-scale-bg' ] | |
178 | }, | |
179 | { | |
180 | inputs: [ 'to-scale-bg', 'to-scale' ], | |
181 | filter: 'overlay', | |
182 | options: { | |
183 | x: '(main_w - overlay_w)/2', | |
184 | y: '(main_h - overlay_h)/2' | |
185 | }, | |
186 | outputs: 'intro-outro-resized' | |
187 | } | |
188 | ] | |
189 | ||
190 | const concatFilter = { | |
191 | inputs: [], | |
192 | filter: 'concat', | |
193 | options: { | |
194 | n: 2, | |
195 | v: 1, | |
196 | unsafe: 1 | |
197 | }, | |
198 | outputs: [ 'v' ] | |
199 | } | |
200 | ||
201 | const introOutroFilterInputs = [ 'intro-outro-resized' ] | |
202 | const mainFilterInputs = [ 'main' ] | |
203 | ||
204 | if (mainHasAudio) { | |
205 | mainFilterInputs.push('0:a') | |
206 | ||
207 | if (introOutroHasAudio) { | |
208 | introOutroFilterInputs.push('1:a') | |
209 | } else { | |
210 | // Silent input | |
211 | introOutroFilterInputs.push('2:a') | |
212 | } | |
213 | } | |
214 | ||
215 | if (type === 'intro') { | |
216 | concatFilter.inputs = [ ...introOutroFilterInputs, ...mainFilterInputs ] | |
217 | } else { | |
218 | concatFilter.inputs = [ ...mainFilterInputs, ...introOutroFilterInputs ] | |
219 | } | |
220 | ||
221 | if (mainHasAudio) { | |
222 | concatFilter.options['a'] = 1 | |
223 | concatFilter.outputs.push('a') | |
224 | ||
225 | command.outputOption('-map [a]') | |
226 | } | |
227 | ||
228 | command.outputOption('-map [v]') | |
229 | ||
230 | complexFilter.push(concatFilter) | |
231 | command.complexFilter(complexFilter) | |
232 | ||
233 | await runCommand({ command }) | |
234 | } | |
235 | ||
236 | // --------------------------------------------------------------------------- | |
237 | ||
238 | export { | |
239 | cutVideo, | |
240 | addIntroOutro, | |
241 | addWatermark | |
242 | } |