[gst-devel] Streaming H.264 / Vorbis

[cammille at polytech.unice.fr]

Can you explain me how to send the vorbis codebook config in the caps
please ?

I searched on the Internet but I didn't find how.


Thank you for your help.


> On Tue, 2009-03-24 at 10:08 +0100, cammille at polytech.unice.fr wrote:
>> Hi,
>>
>> I would like to stream the video taken from my webcam and the sound
>> taken
>> from my micro.
>>
>> I tried that :
>>
>> To send on Windows :
>> --------------------
>>
>> gst-launch -v gstrtpbin name=rtpbin \
>>     dshowvideosrc ! decodebin name=dec \
>>     dec. ! queue ! x264enc byte-stream=true bitrate=300 ! rtph264pay !
>> rtpbin.send_rtp_sink_0 \
>>     rtpbin.send_rtp_src_0 ! udpsink port=5000 host=192.168.X.X
>> ts-offset=0
>> name=vrtpsink \
>>     rtpbin.send_rtcp_src_0 ! udpsink port=5001 host=192.168.X.X
>> sync=false
>> async=false name=vrtcpsink \
>>     udpsrc port=5005 name=vrtpsrc ! rtpbin.recv_rtcp_sink_0 \
>>     dshowaudiosrc ! queue ! audioresample ! audioconvert ! alawenc !
>> rtppcmapay ! rtpbin.send_rtp_sink_1 \
>>     rtpbin.send_rtp_src_1 ! udpsink port=5002 host=192.168.X.X
>> ts-offset=0
>> name=artpsink \
>>     rtpbin.send_rtcp_src_1 ! udpsink port=5003 host=192.168.X.X
>> sync=false
>> async=false name=artcpsink \
>>     udpsrc port=5007 name=artpsrc ! rtpbin.recv_rtcp_sink_1
>>
>>
>>
>> To receive on Linux :
>> ---------------------
>>
>> gst-launch -v gstrtpbin name=rtpbin latency=200 \
>>      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 ! xvimagesink \
>>      udpsrc port=5001 ! rtpbin.recv_rtcp_sink_0 \
>>          rtpbin.send_rtcp_src_0 ! udpsink port=5005 host=192.168.X.X
>> sync=false async=false \
>>      udpsrc
>> caps="application/x-rtp,media=(string)audio,clock-rate=(int)8000,encoding-name=(string)PCMA"
>> port=5002 ! rtpbin.recv_rtp_sink_1 \
>>        rtpbin. ! rtppcmadepay ! alawdec ! audioconvert ! audioresample !
>> alsasink \
>>      udpsrc port=5003 ! rtpbin.recv_rtcp_sink_1 \
>>          rtpbin.send_rtcp_src_1 ! udpsink port=5007 host=192.168.X.X
>> sync=false async=false
>>
>>
>> This works well.
>>
>> So I tried to encode with Vorbis and not Alaw.
>>
>> I tried that :
>> To send on Windows :
>> --------------------
>>
>> gst-launch -v gstrtpbin name=rtpbin \
>>     dshowvideosrc ! decodebin name=dec \
>>     dec. ! queue ! x264enc byte-stream=true bitrate=300 ! rtph264pay !
>> rtpbin.send_rtp_sink_0 \
>>     rtpbin.send_rtp_src_0 ! udpsink port=5000 host=192.168.X.X
>> ts-offset=0
>> name=vrtpsink \
>>     rtpbin.send_rtcp_src_0 ! udpsink port=5001 host=192.168.X.X
>> sync=false
>> async=false name=vrtcpsink \
>>     udpsrc port=5005 name=vrtpsrc ! rtpbin.recv_rtcp_sink_0 \
>>     dshowaudiosrc ! queue ! audioresample ! audioconvert ! vorbisenc !
>> rtpvorbispay ! rtpbin.send_rtp_sink_1 \
>>     rtpbin.send_rtp_src_1 ! udpsink port=5002 host=192.168.X.X
>> ts-offset=0
>> name=artpsink \
>>     rtpbin.send_rtcp_src_1 ! udpsink port=5003 host=192.168.X.X
>> sync=false
>> async=false name=artcpsink \
>>     udpsrc port=5007 name=artpsrc ! rtpbin.recv_rtcp_sink_1
>>
>>
>> To receive on Linux :
>> ---------------------
>>
>> gst-launch -v gstrtpbin name=rtpbin latency=200 \
>>      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 ! xvimagesink \
>>      udpsrc port=5001 ! rtpbin.recv_rtcp_sink_0 \
>>          rtpbin.send_rtcp_src_0 ! udpsink port=5005 host=192.168.X.X
>> sync=false async=false \
>>      udpsrc
>> caps="application/x-rtp,media=(string)audio,clock-rate=(int)8000,encoding-name=(string)VORBIS"
>> port=5002 ! rtpbin.recv_rtp_sink_1 \
>>        rtpbin. ! rtpvorbisdepay ! vorbisdec ! audioconvert !
>> audioresample
>> ! alsasink \
>>      udpsrc port=5003 ! rtpbin.recv_rtcp_sink_1 \
>>          rtpbin.send_rtcp_src_1 ! udpsink port=5007 host=192.168.X.X
>> sync=false async=false
>>
>>
>> And I have this error :
>> WARNING: from element
>> /GstPipeline:pipeline0/GstRtpVorbisDepay:rtpvorbisdepay0: Could not
>> decode
>> stream.
>> Additional debug info:
>> gstrtpvorbisdepay.c(605): gst_rtp_vorbis_depay_process ():
>> /GstPipeline:pipeline0/GstRtpVorbisDepay:rtpvorbisdepay0:
>> Could not switch codebooks
>>
> You forgot to send the vorbis codebook config in the caps.
>
> Wim
>>
>>
>> What can I do to resolve this problem ?
>>
>> Thank you.
>>
>>
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>
>
> ------------------------------------------------------------------------------
> Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are
> powering Web 2.0 with engaging, cross-platform capabilities. Quickly and
> easily build your RIAs with Flex Builder, the Eclipse(TM)based development
> software that enables intelligent coding and step-through debugging.
> Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com
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