Stuck at stream mapping

[ruipneves]

Describe the bug
When trying to convert a .mp4 to .gif it gets stuck at stream mapping.

I am using version 0.12.6

Tried with:

const file: File = new File([blob], 'videoToBeConverted', { type: blob.type });

const nameIn = file.name;
const nameOut = 'output.gif';

const arrayBuffer = await file.arrayBuffer();

await ffmpeg.exec([
    '-i',
    nameIn,
    '-vf',
    'fps=10,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse',
    nameOut,
]);

and

const file: File = new File([blob], 'videoToBeConverted', { type: blob.type });

const nameIn = file.name;
const nameOut = 'output.gif';

const arrayBuffer = await file.arrayBuffer();

 await ffmpeg.exec([
    '-i',
    nameIn,
    '-t',
    '2.5',
    '-ss',
    '2.0',
    '-f',
    'gif',
    nameOut,
]);

Even tried just converting the .mp4 to .mov and still got stuck.

To Reproduce
Cannot provide a reproducible project.

Expected behavior
Conversion should start and be logged.

Screenshots

Desktop (please complete the following information):

• OS: MacOS
• Browser Chrome
• Version 116

Additional context
N/A

[ruipneves]

Alright, just saw now that I was using the multi thread version which gets stuck. The single thread works fine.
Any idea why?