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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi!<br><br><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>As far as I was able to learn by now, the qmin and qmax settings relate very much to the quality of the input. Well, here is the first problem for me. The input for an encoder is anyway always a decoded frame, so it always has the “perfect” quality. So assumed we always want to have the best available quality, basically the assumption that the qscale settings depend on your input is not correct, right? <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><br>Now, when I write an encoder using libavcodec that is always fed from yuv422p pictures, what sense do those settings make? <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks for any Input </span><span lang=EN-US style='font-family:Wingdings'>J</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Harry<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>