diff options
Diffstat (limited to 'server/helpers/ffmpeg/framerate.ts')
-rw-r--r-- | server/helpers/ffmpeg/framerate.ts | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/server/helpers/ffmpeg/framerate.ts b/server/helpers/ffmpeg/framerate.ts deleted file mode 100644 index 18cb0e0e2..000000000 --- a/server/helpers/ffmpeg/framerate.ts +++ /dev/null | |||
@@ -1,44 +0,0 @@ | |||
1 | import { VIDEO_TRANSCODING_FPS } from '@server/initializers/constants' | ||
2 | import { VideoResolution } from '@shared/models' | ||
3 | |||
4 | export function computeOutputFPS (options: { | ||
5 | inputFPS: number | ||
6 | resolution: VideoResolution | ||
7 | }) { | ||
8 | const { resolution } = options | ||
9 | |||
10 | let fps = options.inputFPS | ||
11 | |||
12 | if ( | ||
13 | // On small/medium resolutions, limit FPS | ||
14 | resolution !== undefined && | ||
15 | resolution < VIDEO_TRANSCODING_FPS.KEEP_ORIGIN_FPS_RESOLUTION_MIN && | ||
16 | fps > VIDEO_TRANSCODING_FPS.AVERAGE | ||
17 | ) { | ||
18 | // Get closest standard framerate by modulo: downsampling has to be done to a divisor of the nominal fps value | ||
19 | fps = getClosestFramerateStandard({ fps, type: 'STANDARD' }) | ||
20 | } | ||
21 | |||
22 | // Hard FPS limits | ||
23 | if (fps > VIDEO_TRANSCODING_FPS.MAX) fps = getClosestFramerateStandard({ fps, type: 'HD_STANDARD' }) | ||
24 | |||
25 | if (fps < VIDEO_TRANSCODING_FPS.MIN) { | ||
26 | throw new Error(`Cannot compute FPS because ${fps} is lower than our minimum value ${VIDEO_TRANSCODING_FPS.MIN}`) | ||
27 | } | ||
28 | |||
29 | return fps | ||
30 | } | ||
31 | |||
32 | // --------------------------------------------------------------------------- | ||
33 | // Private | ||
34 | // --------------------------------------------------------------------------- | ||
35 | |||
36 | function getClosestFramerateStandard (options: { | ||
37 | fps: number | ||
38 | type: 'HD_STANDARD' | 'STANDARD' | ||
39 | }) { | ||
40 | const { fps, type } = options | ||
41 | |||
42 | return VIDEO_TRANSCODING_FPS[type].slice(0) | ||
43 | .sort((a, b) => fps % a - fps % b)[0] | ||
44 | } | ||