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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Now that you have let me know what you are trying, the filesrc element has a blocksize of 4096. Try increasing it to your 512 * 512 and see what happens<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Von:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> gstreamer-devel [mailto:gstreamer-devel-bounces@lists.freedesktop.org]
<b>Im Auftrag von </b>Kiran Kumar<br>
<b>Gesendet:</b> Mittwoch, 15. Juni 2016 12:10<br>
<b>An:</b> Discussion of the development of and with GStreamer<br>
<b>Betreff:</b> Re: Simple video filter, changing pixel values<o:p></o:p></span></p>
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<p class="MsoNormal">Thanks for the quick reply. I always get 4096 bytes.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">GstMapInfo map;<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">static GstFlowReturn<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">gst_mynewplugin_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt"> gst_buffer_map (buf, &map, GST_MAP_READ);<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt"> g_print("buffer size=%d\n", map.size);<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">The input image size is 512x512x8(bit depth)=2097152 bits. But, map.size is always = 4096 bytes.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">I'm getting in terms of chunks where each chunk size is 4096 bytes. I need the entire frame. </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">Are you setting the buffer size of the pad?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">Thanks</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Jun 15, 2016 at 2:22 AM, Lazar Todic <<a href="mailto:lazzar.d.todic@gmail.com" target="_blank">lazzar.d.todic@gmail.com</a>> wrote:<o:p></o:p></p>
<p class="MsoNormal">Hi, Kumar!<br>
<br>
I'm getting size of 460800 bytes. The resolution of my input video is<br>
640x480. I suppose that color space format that I'm working with is YUV420<br>
or NV12, but it is yet to discover. :) Was I any of help?<br>
<br>
<br>
<br>
--<br>
View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/Simple-video-filter-changing-pixel-values-tp4678030p4678057.html" target="_blank">
http://gstreamer-devel.966125.n4.nabble.com/Simple-video-filter-changing-pixel-values-tp4678030p4678057.html</a><o:p></o:p></p>
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<p class="MsoNormal">Sent from the GStreamer-devel mailing list archive at Nabble.com.<br>
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