<div dir="ltr">Thanks Thiago, that was it. Thought NULL check would be reasonable here.</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Dec 2, 2014 at 2:21 AM, Heiher <span dir="ltr"><<a href="mailto:r@hev.cc" target="_blank">r@hev.cc</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Are you sure the buffer isn't NULL?</p><div class="HOEnZb"><div class="h5">
<div class="gmail_quote">On Dec 2, 2014 8:05 AM, "ign bra" <<a href="mailto:enternald@gmail.com" target="_blank">enternald@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello folks, I am playing with appsink and try to get buffer from appsink.<br>
This part OK.<br>
Problem is when I do cleaning. GstBuffer fails to unref after pull:<br>
<br>
static GstFlowReturn gstre_pull_sample_cb(GstElement* gstappsink,<br>
gpointer data){<br>
GstSample* sample;<br>
GstBuffer* buffer;<br>
GstCaps* caps;<br>
g_signal_emit_by_name (gstappsink, "pull-sample", &sample);<br>
if (sample) {<br>
buffer = gst_sample_get_buffer(sample);<br>
caps = gst_sample_get_caps(sample);<br>
gst_buffer_unref(buffer);<br>
g_print ("*");<br>
gst_sample_unref(sample);<br>
}<br>
<br>
<br>
return GST_FLOW_OK;<br>
}<br>
<br>
I think I am missing something trivial about memory managment, because unref<br>
call simply fails for buffer push:<br>
<br>
** (GstReencoderTest:1624): CRITICAL **: gst_video_frame_map_id: assertion<br>
'GST_IS_BUFFER (buffer)' failed<br>
<br>
(GstReencoderTest:1624): GStreamer-CRITICAL **: gst_pad_push: assertion<br>
'GST_IS_BUFFER (buffer)' failed<br>
<br>
(GstReencoderTest:1624): GStreamer-CRITICAL **: gst_mini_object_unref:<br>
assertion 'mini_object->refcount > 0' failed<br>
<br>
How to properly release buffer in callback, I seem to fail and overunref it,<br>
I don't know how.<br>
<br>
<br>
<br>
--<br>
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