[gst-devel] problem with h.264 stream (blurring video)

Rafael Sousa rafael.lmsousa at gmail.com
Wed Dec 8 18:04:11 CET 2010


Hi all,

I'm using the lastest versions of gstreamer installed from git repository.
I've installed the gstreamer, gst-plugins-bad, gst-plugins-good,
gst-plugins-ugly, gst-ffmpeg and I've installed the lastest build of x264
too from git.

The problem is that now my pipeline gives as result a blurring video, that
before didn't occur. I don't know what to do, anyone can help? My pipeline
works to read a YUV file at the sender, encodes it in H.264, and sends it to
receiver using RTP in encoding time. At the receiver, it receives the stream
and stores it in YUV format again for posterior process. The pipeline is as
follows:

Sender:

"gstrtpbin name=rtpbin filesrc location=%s blocksize=%d ! video/x-raw-yuv,
width=%d, height=%d, framerate=(fraction)15/1, format=(fourcc)I420
! x264enc, key-int-max=30, key-int-min=15, intra-refresh=true ! rtph264pay
! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink host=%s
port=5000 rtpbin.send_rtcp_src_0 ! udpsink host=%s port=5001 sync=false
async=false udpsrc port=5005 ! rtpbin.recv_rtcp_sink_0 "

Receiver:

"gstrtpbin name=rtpbin udpsrc
caps=\"application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264"
port=5000
! rtpbin.recv_rtp_sink_0 rtpbin. ! rtph264depay ! ffdec_h264 ! filesink
location=%s udpsrc port=5001 !
rtpbin.recv_rtcp_sink_0 rtpbin.send_rtcp_src_0 ! udpsink port=5005
sync=false async=false"

I don't know why the video is blurring since I've tested it localhost,
without loss rates.

thanks in advance
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