<HTML><HEAD><TITLE>Mail</TITLE> <META name=GENERATOR content="KsDHTMLEDLib.ocx, FreeWare HTML Editor 1.164.2, ?Kurt Senfer"> <META content="text/html; charset=GB2312" http-equiv=Content-Type></HEAD> <BODY style="FONT-SIZE: 9pt; FONT-FAMILY: 新宋体" leftMargin=5 topMargin=5 #ffffff> <DIV>Hello,</DIV> <DIV> I have tried appsrc example code with lastest version 1.2 ,found that the example code has a little bug (or gstreamer behaver change? )</DIV> <DIV>when specified appsrc caps:</DIV> <DIV> </DIV> <DIV>code in document </DIV> <DIV> </DIV> <DIV> g_object_set (G_OBJECT (appsrc), "caps",<BR> gst_caps_new_simple ("video/x-raw",<BR> "format", G_TYPE_STRING, "RGB16",<BR> "width", G_TYPE_INT, 384,<BR> "height", G_TYPE_INT, 288,<BR> "framerate", GST_TYPE_FRACTION, 0, 1,<BR> NULL), NULL);</DIV> <DIV>could not run :basesrc ../../../../libs/gst/base/gstbasesrc.c:2865:gst_base_src_loop:<source> error: streaming task paused, reason not-negotiated (-4)</DIV> <DIV> </DIV> <DIV>but with additional </DIV> <DIV> "pixel-aspect-ratio" ,GST_TYPE_FRACTION, 1, 1,</DIV> <DIV> </DIV> <DIV>everything works OK . I have not tried 1.0.10 back again to confirm the same reason but it seems to be.</DIV> <DIV>isn't pixel-aspect-ratio default 1:1 ? or I suggest a little document fix, this really confused.</DIV> <DIV> </DIV> <DIV> </DIV></BODY></HTML>