git ssb

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var ffmpeg = require('./exec-ffmpeg')
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module.exports = function (input, output, cb) {
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  ffmpeg([
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    '-i', input,
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    '-vn', // remove video if any
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    '-codec:a', 'libopus',
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    '-b:a', '128k', // this is just an average - opus uses VBR by default
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    output
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  ], cb)
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}
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module.exports.mp3 = function (input, output, cb) {
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  ffmpeg([
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    '-i', input,
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    '-vn', // remove video if any
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    '-codec:a', 'libmp3lame',
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    '-qscale:a', 7, // fairly low quality VBR, but this is just a fallback option
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    output
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  ], cb)
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}
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module.exports.export = function (input, output, cb) {
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  ffmpeg([
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    '-y', // overwrite existing file
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    '-i', input,
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    '-vn', // remove video if any
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    '-codec:a', 'libmp3lame',
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    '-qscale:a', 2, // High quality MP3 - since we're exporting from the opus version
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    output
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  ], cb)
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}
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