Cannot find ffmpeg

[lester51]

/data/data/io.tempage.dorynode/cache/node_modules/m3u8-to-mp4/index.js:50
reject(new Error(error));
^

Error: Error: Cannot find ffmpeg
at FfmpegCommand. (/data/data/io.tempage.dorynode/cache/node_modules/m3u8-to-mp4/index.js:50:18)
at FfmpegCommand.emit (node:events:527:28)
at emitEnd (/data/data/io.tempage.dorynode/cache/node_modules/fluent-ffmpeg/lib/processor.js:424:16)
at /data/data/io.tempage.dorynode/cache/node_modules/fluent-ffmpeg/lib/processor.js:433:16
at wrapper (/data/data/io.tempage.dorynode/cache/node_modules/async/dist/async.js:271:20)
at next (/data/data/io.tempage.dorynode/cache/node_modules/async/dist/async.js:5795:24)
at /data/data/io.tempage.dorynode/cache/node_modules/async/dist/async.js:327:20
at wrapper (/data/data/io.tempage.dorynode/cache/node_modules/async/dist/async.js:271:20)
at next (/data/data/io.tempage.dorynode/cache/node_modules/async/dist/async.js:5795:24)
at /data/data/io.tempage.dorynode/cache/node_modules/async/dist/async.js:327:20

[ghost]

Here's how to fix it temporarily: https://stackoverflow.com/questions/45555960/nodejs-fluent-ffmpeg-cannot-find-ffmpeg