<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(54, 54, 54); background-color: rgb(255, 255, 255); font-family: Menlo, Monaco, "Courier New", monospace; line-height: 18px; white-space: pre;" class=""><div class=""><span style="color: rgb(157, 78, 150);" class="">#define</span><span style="color: rgb(63, 151, 223);" class=""> </span><span style="color: rgb(63, 151, 223);" class="">WFILTER_ROW</span><span style="color: rgb(63, 151, 223);" class="">(</span><span style="color: rgb(9, 89, 132);" class="">type</span><span style="color: rgb(63, 151, 223);" class="">, </span><span style="color: rgb(9, 89, 132);" class="">name</span><span style="color: rgb(63, 151, 223);" class="">) </span><span style="color: rgb(152, 116, 40);" class="">\</span></div><div class=""><span style="color: rgb(63, 151, 223);" class="">static void fweight_row##</span><span style="color: rgb(99, 99, 36);" class="">name</span><span style="color: rgb(63, 151, 223);" class="">(const </span><span style="color: rgb(70, 224, 192);" class="">uint8_t</span><span style="color: rgb(63, 151, 223);" class=""> </span>*<span style="color: rgb(63, 151, 223);" class="">ssrc, </span><span style="color: rgb(70, 224, 192);" class="">uint8_t</span><span style="color: rgb(63, 151, 223);" class=""> </span>*<span style="color: rgb(63, 151, 223);" class="">ddst, </span><span style="color: rgb(152, 116, 40);" class="">\</span></div><div class=""><span style="color: rgb(63, 151, 223);" class=""> const uint8_t </span>*<span style="color: rgb(9, 89, 132);" class="">ssrcf</span><span style="color: rgb(63, 151, 223);" class="">[</span><span style="color: rgb(63, 151, 223);" class="">SIZE</span><span style="color: rgb(63, 151, 223);" class="">], </span><span style="color: rgb(152, 116, 40);" class="">\</span></div><div class=""><span style="color: rgb(63, 151, 223);" class=""> int w, int mid, int size, </span><span style="color: rgb(152, 116, 40);" class="">\</span></div><div class=""><span style="color: rgb(63, 151, 223);" class=""> int thra, int thrb, const float </span>*<span style="color: rgb(63, 151, 223);" class="">weights) </span><span style="color: rgb(152, 116, 40);" class="">\</span></div></div><div><br class=""></div><div><br class=""></div><div>What is the meaning of the input parameters of this function and how to set it ？</div><div><br class=""></div><div><br class=""></div><div><br class=""></div><div><br class=""><blockquote type="cite" class=""><div class="">2021年3月4日 下午5:52，Paul B Mahol <<a href="mailto:onemda@gmail.com" class="">onemda@gmail.com</a>> 写道：</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><br class=""></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 4, 2021 at 10:51 AM 项首彦 <<a href="mailto:xiangshouyan@bytedance.com" class="">xiangshouyan@bytedance.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;" class="">Thx. So which API should I start from when migrating.<br class=""></div></blockquote><div class=""><br class=""></div><div class=""><a href="http://ffmpeg.org/doxygen/trunk/group__lavfi.html" class="">http://ffmpeg.org/doxygen/trunk/group__lavfi.html</a></div><div class=""><br class=""></div><div class="">Look also at doc/examples/* stuff.</div><div class=""> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;" class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">2021年3月4日 下午4:41，Paul B Mahol <<a href="mailto:onemda@gmail.com" target="_blank" class="">onemda@gmail.com</a>> 写道：</div><br class=""><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><br class=""></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 4, 2021 at 3:48 AM 项首彦 <<a href="mailto:xiangshouyan@bytedance.com" target="_blank" class="">xiangshouyan@bytedance.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="">I want to use the function 'static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)' as an API to process the frames output by the encoder. The original format of the frame obtained from the encoder is YUV_I420, and then libyuv can be used to convert it to RGB24. I want to know what other information is needed to call the filter_slice API besides the video frame.<br class=""></div></blockquote><div class=""><br class=""></div><div class=""><br class=""></div><div class="">You can not use that function directly at all. The only way to use atadenoise filtering and any filter from libavfilter in general is via creating graphs and feeding AVFrames to it.</div><div class=""><br class=""></div><div class=""> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">2021年3月4日 上午12:14，Paul B Mahol <<a href="mailto:onemda@gmail.com" target="_blank" class="">onemda@gmail.com</a>> 写道：</div><br class=""><div class=""><div style="color:rgb(31,35,41);font-family:arial,helvetica,sans-serif;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none" class="">I see nowhere full code that does libavfilter handling.</div><br class=""></div></blockquote></div><br class=""></div>_______________________________________________<br class="">
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