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Author Topic: MPD (MPEG DASH Streaming) support?  (Read 378 times)

jmone

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MPD (MPEG DASH Streaming) support?
« on: March 02, 2025, 03:28:37 pm »

Any chance of getting support for these streams in MC?  Works in ffplay/ffmpeg , VLC etc.

Sample link:   
Code: [Select]
https://vs-cmaf-pushb-apac-gcomm.live.cf.md.bbci.co.uk/x=4/i=urn:bbc:pips:service:bbc_world_news_africa/pc_hd_abr_v2.mpd
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terrym@tassie

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Re: MPD (MPEG DASH Streaming) support?
« Reply #1 on: March 09, 2025, 06:15:43 pm »

Hi, try using this URL for HLS streaming rather than Dash, works fine in MC, plays the live BBC news at 1280x720p50.

Code: [Select]
https://vs-hls-pushb-apac-gcomm.live.cf.md.bbci.co.uk/x=4/i=urn:bbc:pips:service:bbc_world_news_africa/iptv_hd_abr_v1.m3u8
This URL also opens the 1280x720 stream but is more direct so opens quicker in MC.
Code: [Select]
https://vs-hls-pushb-apac-gcomm.live.cf.md.bbci.co.uk/x=4/i=urn:bbc:pips:service:bbc_world_news_africa/t=3840/v=pv14/b=5070016/main.m3u8
If you want to know how I found the above URLs, PM me and I'll give you a full explanation.
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jmone

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Re: MPD (MPEG DASH Streaming) support?
« Reply #2 on: March 10, 2025, 01:37:09 am »

Mate, you are a genius!  :)

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Hendrik

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Re: MPD (MPEG DASH Streaming) support?
« Reply #3 on: March 10, 2025, 04:38:45 am »

I'll look into supporting DASH streams in MC34, LAV already supports them so basic support should be straight forward. I do not know if Yaobing plans to support it in our own streaming code.
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jmone

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Re: MPD (MPEG DASH Streaming) support?
« Reply #4 on: March 10, 2025, 03:16:40 pm »

Thanks Hendrik.  Sounds good. :)

FWIW - All I've done so far to get Terry's stream working in Theaterview is to:
- Add the link to a playlist
- Add the playlist to Theater view

Terry let me know that the links he posted are deprecated stream, but still required from some older TVs?
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terrym@tassie

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Re: MPD (MPEG DASH Streaming) support?
« Reply #5 on: March 10, 2025, 05:08:50 pm »

Apple (IOS, Apple TV 4K etc) only support HLS so the BBC are probably going to have to provide HLS streams for quite some time (even if they have deprecated HLS in favor of DASH and don't provide 1080p and 4K in HLS).

A contender to replace HLS/DASH is Common Media Application Format (CMAF) which uses the fragmented mp4 (fMP4) technique used by DASH rather than Transport Stream (TS) used by HLS. It should be noted that the HLS specification also defines support for fragmented mp4.
A common DRM may be implemented using CBCS (used by Apple Fairplay) replacing the CTR scheme used by Widevine/Playready.

Apple, Android, Xbox, Firefox, Chrome & Edge already support CMAF so maybe a common video streaming format is beginning to emerge.

EDIT: Removed erroneous conclusion and corrected some of the above description of CMAF.
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