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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>As I understand the GstMapInfo, I get one using gst_buffer_map on a GstBuffer using the GST_MAP_READWRITE. I can then modify the buffer data thru the MapInfo.data. And then commit the changes using gst_buffer_unmap.<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>But, when modifying the mapinfo.size field, it seems this isn’t committed when unmapped. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>And if we can call gst_buffer_resize() on a buffer that have been mapped, the MapInfo then becomes inconsistent.<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>So when modifying both the data content and the size, how one should proceed?<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>Let say I need to process the data and that the result has x less bytes …<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>Should I :<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>Map the buffer<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Process the data<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Unmap<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Call gst_buffer_resize<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>Or<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>Should I :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Map the buffer<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Process the data<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Update the size in the map<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Unmap<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>The second seems more logical to me, but the API seem to work in the first way (Am I right)?<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>Eric<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>