<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le ven. 5 avr. 2019 à 14:03, Simon Brown <<a href="mailto:simon.k.brown@gmail.com">simon.k.brown@gmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div><br><br></div><div>Ok, Thanks!</div><div><br></div><div>But can you tell me how to get the frame pixel format, please?</div><div>I use frame->format but the output is only zero (0) value.</div><div><br></div><div>Regards </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br></blockquote></div></div></blockquote><div>I have:</div><div><br></div><div>av_get_pix_fmt_name(frame->format)</div><div><br></div><div>to get a format name, but also:</div><div><br></div><div>pix_fmt = video_dec_ctx->pix_fmt;</div><div><br></div><div>This should still apply in current version. pix_fmt is of type "enum AVPixelFormat".</div><div>Try: <a href="https://libav.org/documentation/doxygen/master/structAVCodecContext.html#a0425c77b3d06d71e5db88b1d7e1b37f2" target="_blank">https://libav.org/documentation/doxygen/master/structAVCodecContext.html#a0425c77b3d06d71e5db88b1d7e1b37f2</a></div><div>for more information on that or other options.</div><div><br></div><div>Cheers,</div><div>Simon</div><div> </div></div></div></div></div></blockquote><div>Ok Thanks!</div><div><br></div><div>But can you give me some explaination about the meaning of macroblock luminance (mb_mean) and <font color="#555555" face="Roboto, sans-serif"><span style="font-size:14px;background-color:rgb(249,250,252)">macroblock variance (mb_var), please?</span></font></div><div><br></div><div>Regards </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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