Need help to construct a pipeline

[Mayank Aggarwal]

Hi All,

Any help on this?

Thanks,
Mayank

On Fri, Jan 10, 2020 at 4:30 PM Mayank Aggarwal <
maggarwal.securustech at gmail.com> wrote:

>
> Hi Gstreamer experts,
>
> I am a beginner with gstreamer so bear with me.
>
> I have a working pipeline where audio and video from a test source is sent
> to the webrtcbin element used to send out offer. Pipeline is as follows:
>
> PIPELINE_DESC = '''
> webrtcbin name=sendrecv stun-server=stun://stun.l.google.com:19302
>  audiotestsrc is-live=true wave=red-noise ! audioconvert ! audioresample !
> queue ! opusenc ! rtpopuspay !
>  queue ! application/x-rtp,media=audio,encoding-name=OPUS,payload=96 !
> sendrecv.
>  videotestsrc is-live=true pattern=ball ! video/x-raw,width=320,height=240
> ! videoconvert ! queue ! x264enc ! rtph264pay !
>  queue ! application/x-rtp,media=video,encoding-name=H264,payload=97 !
> sendrecv.
> '''
> However doing this consumes a lot of CPU/Memory as gstreamer has to encode
> audio/video. Hence I was to use a pre-recorded file to lower the resource
> usage.
>
>
> I want to use a sample file (sample.mp4) to send audio and video to the
> webRTCbin element. The mp4 file has H264 video and AAC audio. I have tried
> a lot of combinations of elements but it is not working. Could you please
> help me correct my pipeline?
>
> PIPELINE_DESC = '''
> webrtcbin name=sendrecv stun-server=stun://stun.l.google.com:19302
>  filesrc location=sample.mp4 ! decodebin ! audioconvert ! sendrecv.
>  filesrc location=sample.mp4 ! decodebin ! videoconvert ! sendrecv.
> '''
>
> Many thanks in advance.
>
> Thanks,
> Mayank
>
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