X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Fffmpeg-utils.ts;h=7c997877cff112a07d4caad0b3cc06d771637164;hb=ce4a50b99b6aa9f0a6c4ff1023b36bd47ebe8f71;hp=3cc062b8cd37acc7936749d7633ba9b96a3aa23b;hpb=fb4b3f91dc1292c8ecd8a1523b49ff5bfb6035f4;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/helpers/ffmpeg-utils.ts b/server/helpers/ffmpeg-utils.ts index 3cc062b8c..7c997877c 100644 --- a/server/helpers/ffmpeg-utils.ts +++ b/server/helpers/ffmpeg-utils.ts @@ -221,6 +221,8 @@ async function getLiveTranscodingCommand (options: { command.outputOption('-preset superfast') + addDefaultEncoderGlobalParams({ command }) + for (let i = 0; i < resolutions.length; i++) { const resolution = resolutions[i] const resolutionFPS = computeFPS(fps, resolution) @@ -345,6 +347,23 @@ export { // Default options // --------------------------------------------------------------------------- +function addDefaultEncoderGlobalParams (options: { + command: ffmpeg.FfmpegCommand +}) { + const { command } = options + + // avoid issues when transcoding some files: https://trac.ffmpeg.org/ticket/6375 + command.outputOption('-max_muxing_queue_size 1024') + // strip all metadata + .outputOption('-map_metadata -1') + // NOTE: b-strategy 1 - heuristic algorithm, 16 is optimal B-frames for it + .outputOption('-b_strategy 1') + // NOTE: Why 16: https://github.com/Chocobozzz/PeerTube/pull/774. b-strategy 2 -> B-frames<16 + .outputOption('-bf 16') + // allows import of source material with incompatible pixel formats (e.g. MJPEG video) + .outputOption('-pix_fmt yuv420p') +} + function addDefaultEncoderParams (options: { command: ffmpeg.FfmpegCommand encoder: 'libx264' | string @@ -355,23 +374,13 @@ function addDefaultEncoderParams (options: { if (encoder === 'libx264') { // 3.1 is the minimal resource allocation for our highest supported resolution - command.outputOption('-level 3.1') - // NOTE: b-strategy 1 - heuristic algorithm, 16 is optimal B-frames for it - .outputOption('-b_strategy 1') - // NOTE: Why 16: https://github.com/Chocobozzz/PeerTube/pull/774. b-strategy 2 -> B-frames<16 - .outputOption('-bf 16') - // allows import of source material with incompatible pixel formats (e.g. MJPEG video) - .outputOption(buildStreamSuffix('-pix_fmt', streamNum) + ' yuv420p') - // strip all metadata - .outputOption('-map_metadata -1') - // avoid issues when transcoding some files: https://trac.ffmpeg.org/ticket/6375 - .outputOption(buildStreamSuffix('-max_muxing_queue_size', streamNum) + ' 1024') + command.outputOption(buildStreamSuffix('-level:v', streamNum) + ' 3.1') if (fps) { // Keyframe interval of 2 seconds for faster seeking and resolution switching. // https://streaminglearningcenter.com/blogs/whats-the-right-keyframe-interval.html // https://superuser.com/a/908325 - command.outputOption('-g ' + (fps * 2)) + command.outputOption(buildStreamSuffix('-g:v', streamNum) + ' ' + (fps * 2)) } } } @@ -537,6 +546,8 @@ async function presetVideo ( .format('mp4') .outputOption('-movflags faststart') + addDefaultEncoderGlobalParams({ command }) + // Audio encoder const parsedAudio = await getAudioStream(input)