Re: [FFmpeg-devel] Speed difference when using ffmpeg + x264 with stdin, or libx264

2016-03-19 Thread Pradeep Ramachandran
On Tue, Mar 15, 2016 at 8:00 PM, Derek Buitenhuis < derek.buitenh...@gmail.com> wrote: > On 3/15/2016 8:58 AM, Pradeep Ramachandran wrote: > > Has anyone else experienced such a stark difference in speed? Are the > > limits of linux pipes the reason for this difference, or is there > something > >

Re: [FFmpeg-devel] Speed difference when using ffmpeg + x264 with stdin, or libx264

2016-03-15 Thread Derek Buitenhuis
On 3/15/2016 8:58 AM, Pradeep Ramachandran wrote: > Has anyone else experienced such a stark difference in speed? Are the > limits of linux pipes the reason for this difference, or is there something > else going on here? First: This is probably the wrong list. Second: Did you expect piping a ver

[FFmpeg-devel] Speed difference when using ffmpeg + x264 with stdin, or libx264

2016-03-15 Thread Pradeep Ramachandran
Hi, I am trying to encode an 8-bit 4K video at 3Mbps by using ffmpeg + x264 and I see a considerable difference in speed when I use ffmpeg and pipe the output to x264 (by using linux pipes), and when I use libx264. The speed difference is nearly 2X with the encoding being considerably faster when u