Streaming to vlc

[kartik natarajan]

Thanks folks..
I had my setup running in a day- composite video encoded in .264 and played
over network on VLC player.

Thanks a lot
N.Kartik
Senior Developer | Renu Electronics Pvt. Ltd.
On Sun, Aug 19, 2012 at 12:16 PM, Emile Semmes <emile.semmes at e6group.com>wrote:

>  ... Right after I sent this, I realized you just copy/pasted your
> sprop-parameter-sets string into your sdp. You need to take out the
> Gstreamer formating and escape characters for it to work, ie.
>
> a=fmtp:96
> sprop-parameter-sets=Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQFAeyA\,aO48sA\=\=
>
>  Regards,
> Emile
>
>
> On 8/18/2012 11:39 PM, Emile Semmes wrote:
>
> Mazahir,
>
> You might want to ask this on the gstreamer TI forums as well since you're
> using, I'm assuming, an TI SoC. A while back, I know for the Davinci H.264
> encoders the SPS was sent only once at the begin of the encode, so any
> clients that connected later just missed out and wouldn't connect without a
> good sdp file. I believe with some tweaking the encoder can be forced to
> send it out periodically so you wouldn't have to define it in your sdp
> file. Post your question there as well. It's at
> https://gstreamer.ti.com/gf/project/gstreamer_ti/forum/?action=ForumBrowse&forum_id=187
>
> Emile
>
> On 8/16/2012 2:41 AM, Mazahir Poonawalla wrote:
>
> Hi,
>
>  I applied the sprop-parameter-sets as well. Now my sdp file is:
>
>  v=0
> o=- 2110055936 1 IN IP4 192.168.1.102
> s=Gstreamer
> i=Streaming via network test
> c=IN IP4 192.168.1.101
> t=0 0
> a=type:broadcast
> m=video 3000 RTP/AVP 96
> a=rtpmap:96 H264/90000
> a=cliprect:0,0,480,640
> a=framesize:96 640-480
> a=tool:Gstreamer
> a=fmtp:96 profile-level-id=0;
> sprop-parameter-sets=(string)\"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQFAeyA\\,aO48sA\\=\\=\"
>
>  However nothing is being displayed and I still get the same warning when
> I double click on the sdp file:
>
>  packetizer_h264 warning: waiting for SPS/PPS
>
>  On 16 August 2012 15:07, Mazahir Poonawalla <
> mazahir.poonawalla at ideaforge.co.in> wrote:
>
>> Hi,
>>
>>  Thanks for the reply.
>>
>>  the caps after applying the below plugin are:
>>
>>  caps = application/x-rtp, media=(string)video, clock-rate=(int)90000,
>> encoding-name=(string)H264,
>> sprop-parameter-sets=(string)\"Z2QAKK2EBUViuKxUdCAqKxXFYqOhAVFYrisVHQgKisVxWKjoQFRWK4rFR0ICorFcVio6ECSFITk8nyfk/k/J8nm5s00IEkKQnJ5Pk/J/J+T5PNzZprQFAeyA\\,aO48sA\\=\\=\",
>> payload=(int)96, ssrc=(uint)3815007218, clock-base=(uint)3201629907,
>> seqnum-base=(uint)59072
>>
>> What exactly do i need to put in the sdp file. Can you give me an
>> example.
>> Thanks,
>> Mazahir
>>
>> On 16 August 2012 14:56, Rapsey <rapsey at gmail.com> wrote:
>>
>>> sdp for h264 video needs profile-level-id and sprop-parameter-sets
>>> parameters. This is generated by the h264 encoder. How exactly you get it
>>> out of the gst graph I'm not sure, but playback wil not work without it.
>>>
>>>
>>>  Sergej
>>>
>>>  On Thu, Aug 16, 2012 at 9:41 AM, Mazahir Poonawalla <
>>> mazahir.poonawalla at ideaforge.co.in> wrote:
>>>
>>>>  Hi All,
>>>>
>>>>  I am having troubles streaming video to vlc player. Please help.
>>>>
>>>>  I am using leopard board to stream composite In video with gstreamer.
>>>> I use the following plugin:
>>>>
>>>>  gst-launch -v -e v4l2src always-copy=FALSE input-src=composite
>>>> chain-ipipe=true ! video/x-raw-yuv,format=\(fourcc\)NV12, width=640,
>>>> height=480 ! queue ! dmaiaccel ! dmaienc_h264 encodingpreset=2
>>>> ratecontrol=2 intraframeinterval=23 idrinterval=46 targetbitrate=3000000 !
>>>> rtph264pay ! udpsink port=3000 host=192.168.1.102 sync=false
>>>> enable-last-buffer=false
>>>>
>>>>  I have created an sdp file on my client side:
>>>>
>>>>  v=0
>>>> o=- 2110055936 1 IN IP4 192.168.1.102
>>>> s=Gstreamer
>>>> i=Streaming via network test
>>>> c=IN IP4 192.168.1.101
>>>> t=0 0
>>>> a=type:broadcast
>>>> m=video 3000 RTP/AVP 96
>>>> a=rtpmap:96 H264/90000
>>>>
>>>>  when I double click on this file in vlc, nothing is being played.
>>>> Though I feel something is being received because when I check the message
>>>> window, I get the following warning:
>>>>
>>>>  packetizer_h264 warning: waiting for SPS/PPS
>>>>
>>>>  Can any one please help as to what is going wrong? What changes I
>>>> need to make in my SDP file.
>>>>
>>>>  --
>>>>
>>>> Thank you & Regards,
>>>>
>>>> *Mazahir Poonawalla*
>>>>
>>>>
>>>>
>>>>
>>>>  _______________________________________________
>>>> gstreamer-devel mailing list
>>>> gstreamer-devel at lists.freedesktop.org
>>>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>>
>>>>
>>>
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>>>
>>
>>
>>  --
>>
>> Thank you & Regards,
>>
>> *Mazahir Poonawalla*
>>
>> ideaForge Technology Pvt. Ltd. | Board: +91 22 2767 0001; +91 22 2767
>> 0707 | mazahir.poonawalla at ideaforge.co.in |www.ideaforge.co.in
>>
>>  *P** **Please consider the environment before printing this e-mail*
>>
>>
>
>
>  --
>
> Thank you & Regards,
>
> *Mazahir Poonawalla*
>
> ideaForge Technology Pvt. Ltd. | Board: +91 22 2767 0001; +91 22 2767 0707
>  | mazahir.poonawalla at ideaforge.co.in |www.ideaforge.co.in
>
>  *P** **Please consider the environment before printing this e-mail*
>
>
>
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>
>
>
> --
> Emile Semmes
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>
>
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>
> --
> Emile Semmes
> e6 Group, LLCwww.e6group.com
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