return new Promise<number>((res, rej) => {
ffmpeg.ffprobe(path, (err, metadata) => {
if (err) return rej(err)
return res(Math.floor(metadata.format.duration))
})
})
return new Promise<any>((res, rej) => {
ffmpeg.ffprobe(path, (err, metadata) => {
if (err) return rej(err)
const videoStream = metadata.streams.find(s => s.codec_type === 'video')
if (!videoStream) throw new Error('Cannot find video stream of ' + path)
return res(videoStream)
})
})
return new Promise((resolve, reject) => {
let coverFileEmbedded: string;
command.on('start', cmdline => log.debug('ffmpeg command: %s', cmdline));
command.on('error', err => reject(err));
command.on('end', () => {
const coverFile =
coverFileEmbedded && fs.existsSync(coverFileEmbedded)
? coverFileEmbedded
: findCoverFile(dirname);
if (coverFile) {
embedCoverFile(outputAudio, coverFile, binPaths)
.then(() => {
resolve({ audio: outputAudio, hadCoverFile: true });
})
.catch(err => reject(err));
} else {
resolve({
audio: outputAudio,
cover: coverFileEmbedded,
hadCoverFileEmbedded: true
});
}
});
ffmpeg.ffprobe(source, (err, metadata) => {
try {
const hasVideoStream = checkVideoStream(err, metadata);
if (hasVideoStream) {
coverFileEmbedded = outputCover;
command.addOutput(outputCover);
}
log.debug('Starting conversion of %s', source);
command.run();
} catch (err) {
reject(err);
}
});
});