diff options
Diffstat (limited to 'server/helpers/ffprobe-utils.ts')
-rw-r--r-- | server/helpers/ffprobe-utils.ts | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/server/helpers/ffprobe-utils.ts b/server/helpers/ffprobe-utils.ts index 5545ddbbf..d03ab91ac 100644 --- a/server/helpers/ffprobe-utils.ts +++ b/server/helpers/ffprobe-utils.ts | |||
@@ -37,38 +37,37 @@ async function getAudioStream (videoPath: string, existingProbe?: ffmpeg.Ffprobe | |||
37 | } | 37 | } |
38 | 38 | ||
39 | function getMaxAudioBitrate (type: 'aac' | 'mp3' | string, bitrate: number) { | 39 | function getMaxAudioBitrate (type: 'aac' | 'mp3' | string, bitrate: number) { |
40 | const baseKbitrate = 384 | 40 | const maxKBitrate = 384 |
41 | const toBits = (kbits: number) => kbits * 8000 | 41 | const kToBits = (kbits: number) => kbits * 1000 |
42 | |||
43 | // If we did not manage to get the bitrate, use an average value | ||
44 | if (!bitrate) return 256 | ||
42 | 45 | ||
43 | if (type === 'aac') { | 46 | if (type === 'aac') { |
44 | switch (true) { | 47 | switch (true) { |
45 | case bitrate > toBits(baseKbitrate): | 48 | case bitrate > kToBits(maxKBitrate): |
46 | return baseKbitrate | 49 | return maxKBitrate |
47 | 50 | ||
48 | default: | 51 | default: |
49 | return -1 // we interpret it as a signal to copy the audio stream as is | 52 | return -1 // we interpret it as a signal to copy the audio stream as is |
50 | } | 53 | } |
51 | } | 54 | } |
52 | 55 | ||
53 | if (type === 'mp3') { | 56 | /* |
54 | /* | 57 | a 192kbit/sec mp3 doesn't hold as much information as a 192kbit/sec aac. |
55 | a 192kbit/sec mp3 doesn't hold as much information as a 192kbit/sec aac. | 58 | That's why, when using aac, we can go to lower kbit/sec. The equivalences |
56 | That's why, when using aac, we can go to lower kbit/sec. The equivalences | 59 | made here are not made to be accurate, especially with good mp3 encoders. |
57 | made here are not made to be accurate, especially with good mp3 encoders. | 60 | */ |
58 | */ | 61 | switch (true) { |
59 | switch (true) { | 62 | case bitrate <= kToBits(192): |
60 | case bitrate <= toBits(192): | 63 | return 128 |
61 | return 128 | ||
62 | 64 | ||
63 | case bitrate <= toBits(384): | 65 | case bitrate <= kToBits(384): |
64 | return 256 | 66 | return 256 |
65 | 67 | ||
66 | default: | 68 | default: |
67 | return baseKbitrate | 69 | return maxKBitrate |
68 | } | ||
69 | } | 70 | } |
70 | |||
71 | return undefined | ||
72 | } | 71 | } |
73 | 72 | ||
74 | async function getVideoStreamSize (path: string, existingProbe?: ffmpeg.FfprobeData) { | 73 | async function getVideoStreamSize (path: string, existingProbe?: ffmpeg.FfprobeData) { |
@@ -208,6 +207,9 @@ async function canDoQuickVideoTranscode (path: string, probe?: ffmpeg.FfprobeDat | |||
208 | const bitRate = await getVideoFileBitrate(path, probe) | 207 | const bitRate = await getVideoFileBitrate(path, probe) |
209 | const resolution = await getVideoFileResolution(path, probe) | 208 | const resolution = await getVideoFileResolution(path, probe) |
210 | 209 | ||
210 | // If ffprobe did not manage to guess the bitrate | ||
211 | if (!bitRate) return false | ||
212 | |||
211 | // check video params | 213 | // check video params |
212 | if (videoStream == null) return false | 214 | if (videoStream == null) return false |
213 | if (videoStream['codec_name'] !== 'h264') return false | 215 | if (videoStream['codec_name'] !== 'h264') return false |
@@ -221,15 +223,15 @@ async function canDoQuickVideoTranscode (path: string, probe?: ffmpeg.FfprobeDat | |||
221 | async function canDoQuickAudioTranscode (path: string, probe?: ffmpeg.FfprobeData): Promise<boolean> { | 223 | async function canDoQuickAudioTranscode (path: string, probe?: ffmpeg.FfprobeData): Promise<boolean> { |
222 | const parsedAudio = await getAudioStream(path, probe) | 224 | const parsedAudio = await getAudioStream(path, probe) |
223 | 225 | ||
224 | // check audio params (if audio stream exists) | 226 | if (!parsedAudio.audioStream) return true |
225 | if (parsedAudio.audioStream) { | ||
226 | if (parsedAudio.audioStream['codec_name'] !== 'aac') return false | ||
227 | 227 | ||
228 | const audioBitrate = parsedAudio.bitrate | 228 | if (parsedAudio.audioStream['codec_name'] !== 'aac') return false |
229 | 229 | ||
230 | const maxAudioBitrate = getMaxAudioBitrate('aac', audioBitrate) | 230 | const audioBitrate = parsedAudio.bitrate |
231 | if (maxAudioBitrate !== -1 && audioBitrate > maxAudioBitrate) return false | 231 | if (!audioBitrate) return false |
232 | } | 232 | |
233 | const maxAudioBitrate = getMaxAudioBitrate('aac', audioBitrate) | ||
234 | if (maxAudioBitrate !== -1 && audioBitrate > maxAudioBitrate) return false | ||
233 | 235 | ||
234 | return true | 236 | return true |
235 | } | 237 | } |