<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"><span></span></div><div dir="ltr"><span style="background-color: rgba(255, 255, 255, 0);"><span></span>Hi,</span><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">I'm referring to this documentation</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><a href="https://gstreamer.freedesktop.org/documentation/additional/design/mediatype-video-raw.html?gi-language=c" class="" style="caret-color: rgb(0, 0, 0); background-color: rgba(255, 255, 255, 0);"><font color="#000000">https://gstreamer.freedesktop.org/documentation/additional/design/mediatype-video-raw.html?gi-language=c</font></a></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Up to now I received namely I420 buffers with a size of 1.5*width*height, as expected default YUV size. </span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Caps:</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div class=""><span class="" style="background-color: rgba(255, 255, 255, 0);">video/x-raw, format=(string)I420, width=(int)720, height=(int)540, interlace-mode=(string)progressive, multiview-mode=(string)mono, multiview-flags=(GstVideoMultiviewFlagsSet)0:ffffffff:/right-view-first/left-flipped/left-flopped/right-flipped/right-flopped/half-aspect/mixed-mono, pixel-aspect-ratio=(fraction)1/1, chroma-site=(string)jpeg, colorimetry=(string)bt601, framerate=(fraction)0/1;</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Frame buffer size is 583200 byte.</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Today for the first time I got this:</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Caps:</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br></span></div><div class=""><div class=""><span style="background-color: rgba(255, 255, 255, 0);">video/x-raw(memory:VASurface), format=(string)NV12, width=(int)720, height=(int)540, interlace-mode=(string)progressive, multiview-mode=(string)mono, multiview-flags=(GstVideoMultiviewFlagsSet)0:ffffffff:/right-view-first/left-flipped/left-flopped/right-flipped/right-flopped/half-aspect/mixed-mono, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)0/1</span></div></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">with a frame buffer size of 622080 byte, which is more than 1.5 * width * height.</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">Now I'm wondering, how to understand the values of rstride and pstride in the above document. Could somebody help please?</span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);"><br class=""></span></div><div class=""><span style="background-color: rgba(255, 255, 255, 0);">TIA</span></div></div></body></html>