FFmpeg failed to execute command

FFmpeg can be build with an enormous amount of different options and dependencies. This error occurs probably because you're transcoding with an unsupported codec.

See also:

• https://github.com/pascalbaljetmedia/laravel-ffmpeg/issues/13
• https://github.com/pascalbaljetmedia/laravel-ffmpeg/issues/38
• https://github.com/pascalbaljetmedia/laravel-ffmpeg/issues/61
• https://github.com/PHP-FFMpeg/PHP-FFMpeg/issues/137
• https://github.com/PHP-FFMpeg/PHP-FFMpeg/issues/153
• https://github.com/PHP-FFMpeg/PHP-FFMpeg/issues/156
• https://github.com/PHP-FFMpeg/PHP-FFMpeg/issues/212
• https://github.com/PHP-FFMpeg/PHP-FFMpeg/issues/231