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DVR Video missing for MPEG-2 Video UDP input on DVR

New IT Venture Corporation 2019-02-05 16:00:23 UTC in Nimble Streamer

Hello,

We are a company currently providing IPTV solutions to our customers. We are using multicasting for IPTV streams (Directly feeding multicast url to Set-Top Boxes). We are also working on providing DVR catchup services to our customers. We are currently testing DVR on Nimble streamer with WMSPanel.

We are pulling a udp video (Codec: mpeg-2 video and mp2 audio) via multicast source (eg. udp://@239.1.2.4:8000) and publishing it via mpegts out. We have also added the stream for DVR Recording. The Live HLS video stream is playing smoothly on supported players (VLC)
but while playing DVR, the video is missing and only audio is playing. The following is the source video format:

Video: mpeg2video 720x576 3000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
Audio: mp2 48000 Hz, stereo, 128 kb/s

We have not transcoded the source video since in https://wmspanel.com/nimble/codecs it shows that the Mpeg2 Video codec is supported and also because We will need additional hardware for transcoding.

Is there any way to fix the missing video issue?? Does Nimble/WMSPanel support Mpeg2 Video for DVR?? We are really looking into a solution and would appreciate your help regarding this issue.

Denis Slobodskoy 2019-02-06 00:36:56 UTC 

DVR supports only H.264 and H.265 video, other formats are not supported, unfortunately. You have to transcode your streams to H.264 to be able to record it with Nimble DVR.
You can read about DVR features here: https://blog.wmspanel.com/2015/10/video-recording-dvr-nimble-streamer.html

New IT Venture Corporation 2019-02-06 07:17:32 UTC 

Hello Denis,
Is there any work-around for DVR to support mpeg2 video codec without transcoding?...or are there any plans to add support for additional codecs for DVR?

Denis Slobodskoy 2019-02-07 05:48:44 UTC 

Sorry, there is no way to record MPEG2 video without transcoding, and we're not planning to add this support.

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