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Fix thumbnail generation when on bad input seek

This commit is contained in:
Chocobozzz 2023-12-19 08:23:38 +01:00
parent c93b7088c2
commit 7b23f24b24
No known key found for this signature in database
GPG key ID: 583A612D890159BE
2 changed files with 33 additions and 4 deletions

View file

@ -79,6 +79,10 @@ export class FFmpegCommandWrapper {
// ---------------------------------------------------------------------------
resetCommand () {
this.command = undefined
}
buildCommand (input: string) {
if (this.command) throw new Error('Command is already built')

View file

@ -36,26 +36,51 @@ export class FFmpegImage {
return this.commandWrapper.runCommand()
}
// ---------------------------------------------------------------------------
async generateThumbnailFromVideo (options: {
fromPath: string
output: string
framesToAnalyze: number
ffprobe?: FfprobeData
}) {
const { fromPath, output, ffprobe, framesToAnalyze } = options
const { fromPath, ffprobe } = options
let duration = await getVideoStreamDuration(fromPath, ffprobe)
if (isNaN(duration)) duration = 0
this.commandWrapper.buildCommand(fromPath)
this.buildGenerateThumbnailFromVideo(options)
.seekInput(duration / 2)
try {
return await this.commandWrapper.runCommand()
} catch (err) {
this.commandWrapper.debugLog('Cannot generate thumbnail from video using seek input, fallback to no seek', { err })
this.commandWrapper.resetCommand()
this.buildGenerateThumbnailFromVideo(options)
return this.commandWrapper.runCommand()
}
}
private buildGenerateThumbnailFromVideo (options: {
fromPath: string
output: string
framesToAnalyze: number
}) {
const { fromPath, output, framesToAnalyze } = options
return this.commandWrapper.buildCommand(fromPath)
.videoFilter('thumbnail=' + framesToAnalyze)
.outputOption('-frames:v 1')
.outputOption('-abort_on empty_output')
.output(output)
return this.commandWrapper.runCommand()
}
// ---------------------------------------------------------------------------
async generateStoryboardFromVideo (options: {
path: string
destination: string