[Mp4-tech] Is SP@LL supported for MPEG-2 video?

[Gary Sullivan]

In a quick glance at the spec (not the latest version, but I don't recall a change to that aspect and don't have the battery power to check further), I only found Main level for the Simple profile of MPEG-2 video (Annex E Table E.21).
Best Regards,
Gary Sullivan 
+> -----Original Message-----
+> From: mp4-tech-bounces lists.mpegif.org 
+> [mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of 
+> Narendra Joshi
+> Sent: Wednesday, July 18, 2023 4:45 AM
+> To: mp4-tech lists.mpegif.org
+> Subject: [Mp4-tech] Is SP LL supported for MPEG-2 video?
+> 
+> 
+> Hello,
+> 
+> Would like to know if SP LL (Simple Profile at low-level) 
+> supported in
+> MPEG-2 video standard or not...
+> 
+> When I searched on internet, there are docs that say only 
+> Main profile
+> supports low-level, not simple profile.
+> Also there are docs indicating - SP LL is valid combination 
+> for MPEG-2
+> video.
+> 
+> My interest is, to get/create MPEG-2 compressed video 
+> streams for QCIF
+> size data, compressed at 10-12-15 fps, with bit rates in the 
+> range 100
+> kbps to 400 kbps, with only I & P type frames (i.e. no B 
+> frames). Am not
+> sure whether this is an allowed legal combination in MPEG-2 
+> though....
+> And thus such streams would be prevalent in the market...
+> 
+> Would be helpful if someone replies with some concrete info..
+> 
+> thanks & regards,
+> Narendra 
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