-async function getVideoFileResolution (path: string, existingProbe?: FfprobeData) {
- const size = await getVideoStreamSize(path, existingProbe)
-
- return {
- width: size.width,
- height: size.height,
- ratio: Math.max(size.height, size.width) / Math.min(size.height, size.width),
- resolution: Math.min(size.height, size.width),
- isPortraitMode: size.height > size.width
- }
-}
-
-async function getVideoFileFPS (path: string, existingProbe?: FfprobeData) {
- const videoStream = await getVideoStreamFromFile(path, existingProbe)
- if (videoStream === null) return 0
-
- for (const key of [ 'avg_frame_rate', 'r_frame_rate' ]) {
- const valuesText: string = videoStream[key]
- if (!valuesText) continue
-
- const [ frames, seconds ] = valuesText.split('/')
- if (!frames || !seconds) continue
-
- const result = parseInt(frames, 10) / parseInt(seconds, 10)
- if (result > 0) return Math.round(result)
- }
-
- return 0
-}
-
-async function getMetadataFromFile (path: string, existingProbe?: FfprobeData) {
- const metadata = existingProbe || await ffprobePromise(path)
-
- return new VideoFileMetadata(metadata)
-}
-
-async function getVideoFileBitrate (path: string, existingProbe?: FfprobeData): Promise<number> {
- const metadata = await getMetadataFromFile(path, existingProbe)
-
- let bitrate = metadata.format.bit_rate as number
- if (bitrate && !isNaN(bitrate)) return bitrate
-
- const videoStream = await getVideoStreamFromFile(path, existingProbe)
- if (!videoStream) return undefined
-
- bitrate = videoStream?.bit_rate
- if (bitrate && !isNaN(bitrate)) return bitrate
-
- return undefined
-}
-
-async function getDurationFromVideoFile (path: string, existingProbe?: FfprobeData) {
- const metadata = await getMetadataFromFile(path, existingProbe)
-
- return Math.round(metadata.format.duration)
-}
-
-async function getVideoStreamFromFile (path: string, existingProbe?: FfprobeData) {
- const metadata = await getMetadataFromFile(path, existingProbe)
-
- return metadata.streams.find(s => s.codec_type === 'video') || null
-}
-
-function computeResolutionsToTranscode (videoFileResolution: number, type: 'vod' | 'live') {