[FFmpeg-user] Actual bitrate is lower than target
delbin.wen at gmail.com
Wed Jul 15 01:17:02 CEST 2015
On Wed, Jul 15, 2015 at 6:49 AM, James Darnley <james.darnley at gmail.com>
> On 2015-07-14 23:00, Wesley Wen wrote:
> > -g 29.9002997
> This is an integer parameter.
> > [libx264 @ 0x7ff1e8816e00] frame I:71 Avg QP: 2.19 size: 46261
> > [libx264 @ 0x7ff1e8816e00] frame P:2040 Avg QP: 2.51 size: 11560
> > [libx264 @ 0x7f948a822800] frame I:71 Avg QP: 1.80 size: 48058
> > [libx264 @ 0x7f948a822800] frame P:2040 Avg QP: 2.04 size: 12990
> Your video is just too simple to reach 7M with the settings you've
> chosen. This shows that you're pushing against the minimum QP of 0.
Do you mean source video is too simple? And I don't really understand QP,
could you help explain more and give me some suggestion?
Thanks for the reply.
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