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authorChocobozzz <me@florianbigard.com>2019-11-26 16:25:36 +0100
committerChocobozzz <me@florianbigard.com>2019-11-26 16:25:36 +0100
commit52201311e1973a12960466232d4dec861e8258ee (patch)
tree9203bfec042a3e5d46e67170433b079e31239e8a /server/helpers
parent08eb3dca8257ad121ad74b180dc19c75466e221d (diff)
downloadPeerTube-52201311e1973a12960466232d4dec861e8258ee.tar.gz
PeerTube-52201311e1973a12960466232d4dec861e8258ee.tar.zst
PeerTube-52201311e1973a12960466232d4dec861e8258ee.zip
Add codec information in HLS playlist
Diffstat (limited to 'server/helpers')
-rw-r--r--server/helpers/ffmpeg-utils.ts49
1 files changed, 44 insertions, 5 deletions
diff --git a/server/helpers/ffmpeg-utils.ts b/server/helpers/ffmpeg-utils.ts
index ff80991b2..1eea05d1e 100644
--- a/server/helpers/ffmpeg-utils.ts
+++ b/server/helpers/ffmpeg-utils.ts
@@ -32,7 +32,7 @@ function computeResolutionsToTranscode (videoFileHeight: number) {
32 return resolutionsEnabled 32 return resolutionsEnabled
33} 33}
34 34
35async function getVideoFileSize (path: string) { 35async function getVideoStreamSize (path: string) {
36 const videoStream = await getVideoStreamFromFile(path) 36 const videoStream = await getVideoStreamFromFile(path)
37 37
38 return videoStream === null 38 return videoStream === null
@@ -40,8 +40,45 @@ async function getVideoFileSize (path: string) {
40 : { width: videoStream.width, height: videoStream.height } 40 : { width: videoStream.width, height: videoStream.height }
41} 41}
42 42
43async function getVideoStreamCodec (path: string) {
44 const videoStream = await getVideoStreamFromFile(path)
45
46 if (!videoStream) return ''
47
48 const videoCodec = videoStream.codec_tag_string
49
50 const baseProfileMatrix = {
51 'High': '6400',
52 'Main': '4D40',
53 'Baseline': '42E0'
54 }
55
56 let baseProfile = baseProfileMatrix[videoStream.profile]
57 if (!baseProfile) {
58 logger.warn('Cannot get video profile codec of %s.', path, { videoStream })
59 baseProfile = baseProfileMatrix['High'] // Fallback
60 }
61
62 const level = videoStream.level.toString(16)
63
64 return `${videoCodec}.${baseProfile}${level}`
65}
66
67async function getAudioStreamCodec (path: string) {
68 const { audioStream } = await audio.get(path)
69
70 if (!audioStream) return ''
71
72 const audioCodec = audioStream.codec_name
73 if (audioCodec.codec_name === 'aac') return 'mp4a.40.2'
74
75 logger.warn('Cannot get audio codec of %s.', path, { audioStream })
76
77 return 'mp4a.40.2' // Fallback
78}
79
43async function getVideoFileResolution (path: string) { 80async function getVideoFileResolution (path: string) {
44 const size = await getVideoFileSize(path) 81 const size = await getVideoStreamSize(path)
45 82
46 return { 83 return {
47 videoFileResolution: Math.min(size.height, size.width), 84 videoFileResolution: Math.min(size.height, size.width),
@@ -229,7 +266,9 @@ async function canDoQuickTranscode (path: string): Promise<boolean> {
229// --------------------------------------------------------------------------- 266// ---------------------------------------------------------------------------
230 267
231export { 268export {
232 getVideoFileSize, 269 getVideoStreamCodec,
270 getAudioStreamCodec,
271 getVideoStreamSize,
233 getVideoFileResolution, 272 getVideoFileResolution,
234 getDurationFromVideoFile, 273 getDurationFromVideoFile,
235 generateImageFromVideoFile, 274 generateImageFromVideoFile,
@@ -448,8 +487,8 @@ async function presetH264 (command: ffmpeg.FfmpegCommand, input: string, resolut
448 let localCommand = command 487 let localCommand = command
449 .format('mp4') 488 .format('mp4')
450 .videoCodec('libx264') 489 .videoCodec('libx264')
451 .outputOption('-level 3.1') // 3.1 is the minimal ressource allocation for our highest supported resolution 490 .outputOption('-level 3.1') // 3.1 is the minimal resource allocation for our highest supported resolution
452 .outputOption('-b_strategy 1') // NOTE: b-strategy 1 - heuristic algorythm, 16 is optimal B-frames for it 491 .outputOption('-b_strategy 1') // NOTE: b-strategy 1 - heuristic algorithm, 16 is optimal B-frames for it
453 .outputOption('-bf 16') // NOTE: Why 16: https://github.com/Chocobozzz/PeerTube/pull/774. b-strategy 2 -> B-frames<16 492 .outputOption('-bf 16') // NOTE: Why 16: https://github.com/Chocobozzz/PeerTube/pull/774. b-strategy 2 -> B-frames<16
454 .outputOption('-pix_fmt yuv420p') // allows import of source material with incompatible pixel formats (e.g. MJPEG video) 493 .outputOption('-pix_fmt yuv420p') // allows import of source material with incompatible pixel formats (e.g. MJPEG video)
455 .outputOption('-map_metadata -1') // strip all metadata 494 .outputOption('-map_metadata -1') // strip all metadata