Error in converting a MOV video into MP4 using ffmpeg

Question

I want to convert a mov video into mp4 using ffmpef library of php. I am using given code:

$cmd='ffmpeg -i sample.mov -sameq output.mp4';
echo exec($cmd);

It is not working at all. Even I didn't get any error. Could anyone tell me the proper steps to do this conversion. I have tried a lot of code examples but not working for me.

Answer 1

使用-qscale 0而不是-sameq 。