Author: gpoirier Date: Mon Dec 27 11:02:23 2010 New Revision: 32735 Log: tell that x264's crf gives better results than qp, so crf should be prefered over qp patch by Joseph Miller %josephcmiller2 A gmail P com%
Modified: trunk/DOCS/man/en/mplayer.1 Modified: trunk/DOCS/man/en/mplayer.1 ============================================================================== --- trunk/DOCS/man/en/mplayer.1 Sat Dec 25 17:58:00 2010 (r32734) +++ trunk/DOCS/man/en/mplayer.1 Mon Dec 27 11:02:23 2010 (r32735) @@ -10341,6 +10341,8 @@ Note that quantization in H.264 works di H.264's quantization parameter (QP) is on a logarithmic scale. The mapping is approximately H264QP = 12 + 6*log2(MPEGQP). For example, MPEG at QP=2 is equivalent to H.264 at QP=18. +Generally, this option should be avoided and crf should be used instead +as crf will yield better visual results for the same size. . .TP .B crf=<1.0\-50.0> @@ -10348,6 +10350,7 @@ Enables constant quality mode, and selec The scale is similar to QP. Like the bitrate-based modes, this allows each frame to use a different QP based on the frame's complexity. +This option should generally be used instead of qp. . .TP .B pass=<1\-3> _______________________________________________ MPlayer-DOCS mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/mplayer-docs
