Translated using Weblate (Russian)

[github/Chocobozzz/PeerTube.git] / server / helpers / ffprobe-utils.ts

diff --git a/server/helpers/ffprobe-utils.ts b/server/helpers/ffprobe-utils.ts
index d03ab91ac93c23bcdcaca0b0e6c080eb8b0e150e..d2476606e8edc51a9bee759b9d5de00a948fbea8 100644 (file)
--- a/server/helpers/ffprobe-utils.ts
+++ b/server/helpers/ffprobe-utils.ts
@@ -5,6 +5,12 @@ import { CONFIG } from '../initializers/config'
 import { VIDEO_TRANSCODING_FPS } from '../initializers/constants'
 import { logger } from './logger'
 
+/**
+ *
+ * Helpers to run ffprobe and extract data from the JSON output
+ *
+ */
+
 function ffprobePromise (path: string) {
   return new Promise<ffmpeg.FfprobeData>((res, rej) => {
     ffmpeg.ffprobe(path, (err, data) => {
@@ -85,18 +91,35 @@ async function getVideoStreamCodec (path: string) {
 
   const videoCodec = videoStream.codec_tag_string
 
+  if (videoCodec === 'vp09') return 'vp09.00.50.08'
+
   const baseProfileMatrix = {
-    High: '6400',
-    Main: '4D40',
-    Baseline: '42E0'
+    avc1: {
+      High: '6400',
+      Main: '4D40',
+      Baseline: '42E0'
+    },
+    av01: {
+      High: '1',
+      Main: '0',
+      Professional: '2'
+    }
   }
 
-  let baseProfile = baseProfileMatrix[videoStream.profile]
+  let baseProfile = baseProfileMatrix[videoCodec][videoStream.profile]
   if (!baseProfile) {
     logger.warn('Cannot get video profile codec of %s.', path, { videoStream })
-    baseProfile = baseProfileMatrix['High'] // Fallback
+    baseProfile = baseProfileMatrix[videoCodec]['High'] // Fallback
   }
 
+  if (videoCodec === 'av01') {
+    const level = videoStream.level
+
+    // Guess the tier indicator and bit depth
+    return `${videoCodec}.${baseProfile}.${level}M.08`
+  }
+
+  // Default, h264 codec
   let level = videoStream.level.toString(16)
   if (level.length === 1) level = `0${level}`
 
@@ -108,8 +131,11 @@ async function getAudioStreamCodec (path: string, existingProbe?: ffmpeg.Ffprobe
 
   if (!audioStream) return ''
 
-  const audioCodec = audioStream.codec_name
-  if (audioCodec === 'aac') return 'mp4a.40.2'
+  const audioCodecName = audioStream.codec_name
+
+  if (audioCodecName === 'opus') return 'opus'
+  if (audioCodecName === 'vorbis') return 'vorbis'
+  if (audioCodecName === 'aac') return 'mp4a.40.2'
 
   logger.warn('Cannot get audio codec of %s.', path, { audioStream })
 
@@ -158,7 +184,7 @@ async function getVideoFileBitrate (path: string, existingProbe?: ffmpeg.Ffprobe
 async function getDurationFromVideoFile (path: string, existingProbe?: ffmpeg.FfprobeData) {
   const metadata = await getMetadataFromFile(path, existingProbe)
 
-  return Math.floor(metadata.format.duration)
+  return Math.round(metadata.format.duration)
 }
 
 async function getVideoStreamFromFile (path: string, existingProbe?: ffmpeg.FfprobeData) {
@@ -182,6 +208,7 @@ function computeResolutionsToTranscode (videoFileResolution: number, type: 'vod'
     VideoResolution.H_720P,
     VideoResolution.H_240P,
     VideoResolution.H_1080P,
+    VideoResolution.H_1440P,
     VideoResolution.H_4K
   ]
 
@@ -195,6 +222,8 @@ function computeResolutionsToTranscode (videoFileResolution: number, type: 'vod'
 }
 
 async function canDoQuickTranscode (path: string): Promise<boolean> {
+  if (CONFIG.TRANSCODING.PROFILE !== 'default') return false
+
   const probe = await ffprobePromise(path)
 
   return await canDoQuickVideoTranscode(path, probe) &&
@@ -233,6 +262,10 @@ async function canDoQuickAudioTranscode (path: string, probe?: ffmpeg.FfprobeDat
   const maxAudioBitrate = getMaxAudioBitrate('aac', audioBitrate)
   if (maxAudioBitrate !== -1 && audioBitrate > maxAudioBitrate) return false
 
+  const channelLayout = parsedAudio.audioStream['channel_layout']
+  // Causes playback issues with Chrome
+  if (!channelLayout || channelLayout === 'unknown') return false
+
   return true
 }
 
@@ -241,6 +274,26 @@ function getClosestFramerateStandard (fps: number, type: 'HD_STANDARD' | 'STANDA
                                     .sort((a, b) => fps % a - fps % b)[0]
 }
 
+function computeFPS (fpsArg: number, resolution: VideoResolution) {
+  let fps = fpsArg
+
+  if (
+    // On small/medium resolutions, limit FPS
+    resolution !== undefined &&
+    resolution < VIDEO_TRANSCODING_FPS.KEEP_ORIGIN_FPS_RESOLUTION_MIN &&
+    fps > VIDEO_TRANSCODING_FPS.AVERAGE
+  ) {
+    // Get closest standard framerate by modulo: downsampling has to be done to a divisor of the nominal fps value
+    fps = getClosestFramerateStandard(fps, 'STANDARD')
+  }
+
+  // Hard FPS limits
+  if (fps > VIDEO_TRANSCODING_FPS.MAX) fps = getClosestFramerateStandard(fps, 'HD_STANDARD')
+  else if (fps < VIDEO_TRANSCODING_FPS.MIN) fps = VIDEO_TRANSCODING_FPS.MIN
+
+  return fps
+}
+
 // ---------------------------------------------------------------------------
 
 export {
@@ -253,6 +306,7 @@ export {
   getVideoStreamFromFile,
   getDurationFromVideoFile,
   getAudioStream,
+  computeFPS,
   getVideoFileFPS,
   ffprobePromise,
   getClosestFramerateStandard,