skunge2000

Here's the output for the Raspberry Pi Foundation TV uHAT. This a GBP £20 DVB-T/T2 tuner in a new uHat format about the same footprint as a Raspberry Pi Zero....

> I managed to get rid of the gain changes by modifying values in "AGC Sync Slicer" (0x310204, page 6-82). I could not identify any single register which made the...

@a83912a I get no output and the following errors when I run a script that previously worked OK last year : ``` [00077bd1:error ] - usb_api_ll_enum_common - PID : 0x00002c42...

OK - I'll continue testing and ignore the messages. Something else must have broken with my install - I didn't remember the error messages previously so assumed they were related....

Is there a single ffmpeg chain doing the 4:2:2 1080i25 decode and deinterlace? If so then the interlace scale shouldn't be needed - as 1080i25 4:2:2 -> 1080p50 4:2:0 shouldn't...

Yes - EBU 3280 which defines the 4fsc 'D3' and 'D2' PAL formats I believe states : > As a consequence of this non–orthogonal structure, two extra samples are needed...

> > As the .tbc format is already following EBU 3280 in level terms ... it may make sense to follow > > EBU 3280 in this respect too? >...

> > as long as we know where the 4 samples are - and not having them spread between field 0 and > > field 1 (or field 1 and...

Yes - that's why the PAL 4fsc standard samples at the burst phase it does. PAL 4fsc samples at 45, 135, 225 and 315 phases of subcarrier to avoid sampling...

More information here : https://dvb.org/?standard=metadata-generation-and-deterministic-dvb-t-megaframe-dvb-t2-mi-stream-generation-from-mpeg-2-transport-streams-for-a-dvb-single-illumination-system DVB-SIS is a pragmatic approach to combining direct-to-home satellite distribution with DVB-T/T2 transmitter distribution avoiding the requirement for using two separate distributions and twice the...