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(ffmpeg) B-adapt 1 and B-frames 16 (#774)

pull/789/head
Anton Latukha 2018-07-10 01:27:59 +03:00 committed by Rigel Kent
parent 78e6df5d9c
commit 602a81a213
1 changed files with 2 additions and 0 deletions
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2
server/helpers/ffmpeg-utils.ts
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@ -88,6 +88,8 @@ function transcode (options: TranscodeOptions) {
.videoCodec('libx264')
.outputOption('-threads ' + CONFIG.TRANSCODING.THREADS)
.outputOption('-movflags faststart')
.outputOption('-b_strategy 1') // NOTE: b-strategy 1 - heuristic algorythm, 16 is optimal B-frames for it
.outputOption('-bf 16') // NOTE: Why 16: https://github.com/Chocobozzz/PeerTube/pull/774. b-strategy 2 -> B-frames<16
// .outputOption('-crf 18')
let fps = await getVideoFileFPS(options.inputPath)