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List:       gstreamer-devel
Subject:    Vaapi encode pipeline nego issue
From:       joao machado <00jmsmachado () gmail ! com>
Date:       2016-06-30 8:54:17
Message-ID: CAPkZTQ+ZZgbOe5=J1dWqtE4YnL0KuAC9s1FYt3bP04QjRPkWCw () mail ! gmail ! com
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Hi all,

I am trying to get an hardware assisted encoding pipeline working with
vaapi and I am having some issues with the following pipe:

gst-launch-1.0 souphttpsrc location=http://...../playlist.m3u8 ! hlsdemux !
decodebin  ! vaapipostproc ! queue  ! framerate=25/1 ! vaapiencode_h264 !
mpegtsmux ! udpsink host=224.0.0.20 port=5000 auto-multicast=true


I have a working pipe with a camera as a source with:

gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=1800 !
video/x-raw,format=YUY2 ! vaapipostproc ! queue ! vaapiencode_h264 !
video/x-h264, stream-format=byte-stream, alignment=au ! mpegtsmux ! udpsink
host=224.0.0.20 port=5000 auto-multicast=true

Both logs are attached and I just found that a relevant difference between
them is the chroma-site values in the encoding element source caps.

Does anyone have some clues what is missing/wrong with the first pipe?

Thanks in advance,
João M.

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<div dir="ltr"><div><div><div><div><div><div>Hi all, <br><br></div>I am trying to get \
an hardware assisted encoding pipeline working with vaapi and I am having some issues \
with the following pipe:<br><br>gst-launch-1.0 souphttpsrc \
location=http://...../playlist.m3u8 ! hlsdemux ! decodebin   ! vaapipostproc ! queue  \
! framerate=25/1 ! vaapiencode_h264 ! mpegtsmux ! udpsink host=224.0.0.20 port=5000 \
auto-multicast=true<br><br><br></div>I have a working pipe with a camera as a source \
with:<br><br>gst-launch-1.0 v4l2src device=/dev/video0 num-buffers=1800 ! \
video/x-raw,format=YUY2 ! vaapipostproc ! queue ! vaapiencode_h264 ! video/x-h264, \
stream-format=byte-stream, alignment=au ! mpegtsmux ! udpsink host=224.0.0.20 \
port=5000 auto-multicast=true<br><br></div>Both logs are attached and I just found \
that a relevant difference between them is the chroma-site values in the encoding \
element source caps.<br><br></div>Does anyone have some clues what is missing/wrong \
with the first pipe?<br><br></div>Thanks in advance,<br></div>João M. \
<br><div><div><div><div><br><div><br></div></div></div></div></div></div>


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