Hi,<br><br><div class="gmail_quote">On Mon, Nov 1, 2010 at 5:56 PM, Rafael Sousa <span dir="ltr"><<a href="mailto:rafael.lmsousa@gmail.com">rafael.lmsousa@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> Marco,<div><br></div><div>The modification that you proposed to use the mp4mux didn't work. The same error occurred. I'm using the yuv format because after the transimission of the video, I intend to calculate the psnr between the source yuv and the received yuv for academic analysis. But the mp4 format also helps.</div> </blockquote><div><br>the attached recv.c should do the trick. I just wonder why at this point you can't simply use gst-launch...<br><br>Regards<br> </div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div><br></div><div>Sorry,for the bothering, but I've reseached a lot before appealing to this list.</div><div><br></div><div>thanks for the help,</div><div>best regards,.</div><div><div></div><div class="h5"><div><br> <br><div class="gmail_quote">On Mon, Nov 1, 2010 at 4:44 AM, Marco Ballesio <span dir="ltr"><<a href="mailto:gibrovacco@gmail.com" target="_blank">gibrovacco@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi,<br><br><div class="gmail_quote"><div>On Mon, Nov 1, 2010 at 2:46 AM, Rafael Sousa <span dir="ltr"><<a href="mailto:rafael.lmsousa@gmail.com" target="_blank">rafael.lmsousa@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> Hi Marco<div><br></div><div>thank you so much for the help, it worked very well here... But what I want is to store the video at the receiver in the disk. I tried to modify this example that you sent to me, but it didn't saved the video. I modified the following in the recv.c. I used the foreman_cif.yuv video sample (352x288).</div> <div><br></div><div><br></div><div><div>#define PIPELINE_FORMAT "\</div><div>gstrtpbin name=rtpbin \</div><div>udpsrc caps=\"application/x-rtp,media=(string)video,clock-rate=90000,encoding-name=(string)H264\" \</div> <div>port=5000 ! rtpbin.recv_rtp_sink_0 \</div><div>rtpbin. ! rtph264depay ! ffdec_h264 ! <b>\" video/x-raw-yuv, width=352, height=288, format=(fourcc)I420 \" ! filesink location=test_rcv.yuv</b> ! \</div></div> </blockquote></div><div><br>you don't need the capsfilter between decoder and filesink.. everything will automagically work ;). <br></div><div><br>Btw, unless you're in love with raw yuv I suggest using a container format.. in this case you don't even need to decode and thus you could save some CPU at recording time. Try with this pipeline:<div> <br> <br><div>gstrtpbin name=rtpbin \</div><div>udpsrc caps=\"application/x-rtp,media=(string)video,clock-rate=90000,encoding-name=(string)H264\" \</div> <div>port=5000 ! rtpbin.recv_rtp_sink_0 \</div></div><div>rtpbin. ! rtph264depay ! <b>mp4mux ! filesink location=test_rcv.mp4</b> ! \</div><br>etc. etc.<br><br>NOTE: you'll need to add a way to send the EOS to the muxer element (SIGHUP signal handler/read the manual ;) ), but setting the mp4mux property "faststart" to true could make the file playable even when manually stopping the pipeline with ctrl+c (discaimer: I've not tried it).<br> <br>Regards<br> </div><div><div></div><div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div><div> udpsrc port=5001 ! rtpbin.recv_rtcp_sink_0 \</div> <div>rtpbin.send_rtcp_src_0 ! udpsink port=5005 sync=false async=false"</div></div><div><br></div><div><br></div><div>it returned an error: </div><div><div><br></div><div>Error: internal error in data stream.</div></div> <div><br></div><div>I'm very gratefull for your help.</div><div><br></div><div>regards</div><div><div></div><div><div><br></div><div><br><br><div class="gmail_quote">On Sun, Oct 31, 2010 at 4:48 PM, Marco Ballesio <span dir="ltr"><<a href="mailto:gibrovacco@gmail.com" target="_blank">gibrovacco@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">mmhh.. md5 from: <a href="http://gstreamer-devel.966125.n4.nabble.com/how-to-learn-from-yuv-files-and-encode-with-h-264-td3017365.html#a3017365" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/how-to-learn-from-yuv-files-and-encode-with-h-264-td3017365.html#a3017365</a><br> <br>is different. Attaching the sources directly.<br><br>Regards<div><div></div><div><br><br><div class="gmail_quote">On Sun, Oct 31, 2010 at 10:33 PM, Marco Ballesio <span dir="ltr"><<a href="mailto:gibrovacco@gmail.com" target="_blank">gibrovacco@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi,<br><br>it appears the app you sent is actually more complex than what you need.. btw, some functions are not accessible from the code snippet you sent.<br> <br>I found some soare time to write a minimalistic send/receive couple of applications, the first one reading from a yuv file generated with:<br> <br>gst-launch -v videotestsrc num-buffers=2000 ! "video/x-raw-yuv, width=320, height=240, format=(fourcc)I420" ! filesink location=test.yuv<br><br>and streaming to an address specified from command line. The second app opens a connection and renders all the h264 frames it receives from it. Hopefully it will give you an idea about how to get your app working.<br> <br>P.S. added back the gst-devel mailing list to the loop.<br>P.P.S hopefully the attachment will make its way through the moderation.<br><br>Regards<div><div></div><div><br><br><div class="gmail_quote">On Fri, Oct 29, 2010 at 4:57 PM, Rafael Sousa <span dir="ltr"><<a href="mailto:rafael.lmsousa@gmail.com" target="_blank">rafael.lmsousa@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi Gibro,<div><br></div><div>As I said, I'm a newbie in this list, and I don't know exactly how to fix the issues in my code, so, I'll send to you my whole code to you. If you may take a look I'd be be very gratefull for your help.</div> <div><br></div><div>regards<div><div></div><div><br><div><br><div class="gmail_quote">On Fri, Oct 29, 2010 at 2:05 AM, Gibro Vacco <span dir="ltr"><<a href="mailto:gibrovacco@gmail.com" target="_blank">gibrovacco@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div> <p>Hi, <br> <br>it appears the sources you attached to the message did not go through the moderation.. btw a few comments below. <br> <br>..snip.. <br> <br>> *//Possible problem* <br></p><div>> * **size = 352*288*(3/2);* <br></div>> * **buffer = gst_buffer_try_new_and_alloc (size);* <br> <br>is there a particular reason for allocating this from the application? The pipeline is usually handling buffer allocation/release automagically. <br> <br>> * **if (buffer==NULL){* <br><div>> * ** g_printerr("failed to allocate memory\n");* <br>> * **}* <br>> *//Possible problem * <br>> * **gst_buffer_set_caps (buffer,caps);* <br>> *//Set up the video encoding parameters* <br>> * **caps = gst_caps_new_simple ("video/x-raw-yuv",* <br>> * **"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'),* <br>> * **"width", G_TYPE_INT, 352,* <br>> * **"height", G_TYPE_INT, 288,* <br>> * **"framerate", GST_TYPE_FRACTION, 25, 1, NULL);* <br>> * **if ( !caps ) {* <br>> * **g_printerr("Failed to create caps\n");* <br>> * **return 0;* <br>> * **}* <br>> err = gst_element_link_filtered(filesrc, time, caps); <br> <br></div>what is the time element? It's possible caps are not propagated to the encoder if not directly connected to the filesrc. <br> <br>Moreover, I didn't catch where you're setting the blocksize property in your filesrc to "size". <br> <br>..Snip.. <br><div> <br>> There is something wrong or missing in this function? How can I make <br>> what I want to work? <br> <br></div>See my comments above ;) <br> <br>P.S. Maybe you could attach (or better copy to pastebin) the output when setting GST-DEBUG to 2 from the shell prior executing your binary. <br> <br>Regards <br><div> <br> <br>> <br>> Please, I need help. <br>> <br>> thanks for the previous answers and thanks in advance <br><br></div><p></p> </div> </blockquote></div><br></div></div></div></div> </blockquote></div><br> </div></div></blockquote></div><br> </div></div></blockquote></div><br></div> </div></div></blockquote></div></div></div><br> </blockquote></div><br></div> </div></div></blockquote></div><br>