<div class="gmail_quote"><span style="font-family:arial, sans-serif;font-size:13px;border-collapse:collapse"><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">Hi all</div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">
<br></div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">I'm implementing a tool using the gstreamer to do the folowing:</div>
<div><ul style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px"><li style="margin-left:15px">Read a .YUV file from the disk;</li><li style="margin-left:15px">While it is reading the file, the coding is done by the coder;</li>
<li style="margin-left:15px">At the same time, the coder sends the packets with the video to the receiver using RTP;</li><li style="margin-left:15px">At the receiver, the video is stored.</li></ul><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">
I found a code to do almost it, but it don't read from a .YUV file and don't store at the receiver too. I've made some modifications that you already told me to do but the following error has occurred:</div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">
<span style="border-collapse:separate;font-family:arial;font-size:small"><br></span></div></div><blockquote style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:40px;border-top-style:none;border-right-style:none;border-bottom-style:none;border-left-style:none;border-width:initial;border-color:initial;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px">
<blockquote style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:40px;border-top-style:none;border-right-style:none;border-bottom-style:none;border-left-style:none;border-width:initial;border-color:initial;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px">
<div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px"><span style="border-collapse:separate;font-family:arial;font-size:small">Error: Encode x264 frame failed.</span></div></div>
<div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px"><span style="border-collapse:separate;font-family:arial;font-size:small"><br></span></div></blockquote></blockquote>The function that I think is the trouble is the following the modifications are in bold:<div>
<br></div><div><div>static GstElement* construct_sender_pipeline(void){</div><div><br></div><div><span style="white-space:pre-wrap"> </span>GstElement *pipeline, *filesrc, *time, *gstrtpbin, *venc, *rtpenc;</div><div><span style="white-space:pre-wrap"> </span>GstElement *udpsink_rtp, *udpsink_rtcp, *udpsrc_rtcp, *identity;</div>
<div><span style="white-space:pre-wrap"> </span>GstCaps *caps;</div><div><span style="white-space:pre-wrap"> </span>GstPad *pad;</div><div><span style="white-space:pre-wrap"> </span>gboolean err;</div><div><span style="white-space:pre-wrap"> </span>GstPadLinkReturn res;</div>
<div><span style="white-space:pre-wrap"> </span><b>GstBuffer *buffer;</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>gint size;</b></div><div><span style="white-space:pre-wrap"> </span></div>
<div><span style="white-space:pre-wrap"> ...</span></div><div><br></div><div><span style="white-space:pre-wrap"> </span>//Video source initialization</div><div><span style="white-space:pre-wrap"> </span><b>filesrc = gst_element_factory_make("filesrc", "my_filesource");</b></div>
<div><span style="white-space:pre-wrap"> </span><b>if (!filesrc){</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b> g_printerr("Failed to create filesrc");</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>return 0;</b></div>
<div><span style="white-space:pre-wrap"><b> </b></span><b>}</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>g_object_set (G_OBJECT (filesrc), "location", vsrc, NULL);</b></div><div> <span style="white-space:pre-wrap"> </span></div>
<div><span style="white-space:pre-wrap"> </span>...</div><div><br></div><div><br></div><div><span style="white-space:pre-wrap"> </span>//Create video encoder</div><div><span style="white-space:pre-wrap"> </span>venc = gst_element_factory_make("x264enc", "video-encoder");</div>
<div><span style="white-space:pre-wrap"> </span>if ( !venc ) {</div><div><span style="white-space:pre-wrap"> </span>g_printerr("Failed to create %s\n", "x264enc");</div><div><span style="white-space:pre-wrap"> </span>return 0;</div>
<div><span style="white-space:pre-wrap"> </span>}</div><div><span style="white-space:pre-wrap"> </span></div><div><span style="white-space:pre-wrap"> </span>//kbits/sec --> bits/sec for H.264 encoder</div><div>
<span style="white-space:pre-wrap"> </span>bitrate *= 1024;</div><div><br></div><div><span style="white-space:pre-wrap"> </span>g_object_set(G_OBJECT (venc), "bitrate", bitrate, NULL);</div><div><span style="white-space:pre-wrap"> </span>//bitrate is not controllable</div>
<div><br></div><div><span style="white-space:pre-wrap"> </span>//Choose RTP encoder according to video codec</div><div><span style="white-space:pre-wrap"> </span>rtpencoder = g_strdup(select_rtp_encoder("x264enc"));</div>
<div><br></div><div><span style="white-space:pre-wrap"> ... </span></div><div><span style="white-space:pre-wrap"><br></span></div><div><b>//Possible problem</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>size = 352*288*(3/2);</b></div>
<div><span style="white-space:pre-wrap"><b> </b></span><b>buffer = gst_buffer_try_new_and_alloc (size);</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>if (buffer==NULL){</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b> g_printerr("failed to allocate memory\n");</b></div>
<div><span style="white-space:pre-wrap"><b> </b></span><b>}</b></div><div><b>//Possible problem<span style="white-space:pre-wrap"> </span></b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>gst_buffer_set_caps (buffer,caps);</b></div>
<div><span style="white-space:pre-wrap"> </span></div><div><span style="white-space:pre-wrap"> </span><b>//Set up the video encoding parameters</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>caps = gst_caps_new_simple ("video/x-raw-yuv",</b></div>
<div><span style="white-space:pre-wrap"><b> </b></span><b>"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'),</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>"width", G_TYPE_INT, 352,</b></div>
<div><span style="white-space:pre-wrap"><b> </b></span><b>"height", G_TYPE_INT, 288,</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>"framerate", GST_TYPE_FRACTION, 25, 1, NULL);</b></div>
<div><span style="white-space:pre-wrap"><b> </b></span><b>if ( !caps ) {</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>g_printerr("Failed to create caps\n");</b></div><div><span style="white-space:pre-wrap"><b> </b></span><b>return 0;</b></div>
<div><span style="white-space:pre-wrap"><b> </b></span><b>}</b></div><div><span style="white-space:pre-wrap"> </span></div><div><span style="white-space:pre-wrap"> </span>err = gst_element_link_filtered(filesrc, time, caps);</div>
<div><span style="white-space:pre-wrap"> </span>gst_caps_unref(caps);</div><div><span style="white-space:pre-wrap"> </span><b>gst_buffer_unref (buffer);</b></div><div><span style="white-space:pre-wrap"><b> </b></span></div>
<div><span style="white-space:pre-wrap"> ....</span></div><div><span style="white-space:pre-wrap"><br></span></div><div><span style="white-space:pre-wrap"><br>
</span></div><div><span style="white-space:pre-wrap"> </span>return pipeline;</div><div>}</div><div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px"> </div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">
<br></div></div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">I supressed part of the function, but I put in annex the whole code. There is something wrong or missing in this function? How can I make what I want to work?</div>
<div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px"><br></div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">Please, I need help.</div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">
<br></div><div style="border-collapse:collapse;font-family:arial, sans-serif;font-size:13px">thanks for the previous answers and thanks in advance<br>
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