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Segment not found?

user-1283

Hi all

There appears to be an issue with some programs now where a segment of the program is missing, when the file downloads the program skips and the subtitles go out of sync, I'm not sure why this is happening as I'm watching the program on BBC iPlayer at the moment, could it be a new DRM?

Thanks for any answers.

user-493

Yes this is a current issue affecting HLS downloads , also documented in the Linux section of this forum (the segmented nature of this forum doesn't help these sorts of problems), it seems to be a problem at the BBC end of things.

For now using flash, eg --tvmode=flashhd will produce fault free downloads , although we don't know how long this will be available. For me, HLSHD downloads are between 30 and 100 Mbps - be warned that FlashHd is much slower, four times slower for me! :-(

The new hvf mode is another way around the problem although I would recommend reading around the subject.

I'm download using a batch file which I've amended to pipe results into a text error file - I then examine the output and where there are missing segments I repeat the download using flash.

Hope this helps

Alan

user-1283

Thanks Alan

I had to learn how to use the get_iplayer app rather than the web player app in order to follow your instructions, but it now means I can go back and redownload the programs that had faults when recording!

I'm not sure how I would create a batch file similar to the one you have set up but it sounds like a logical way to pick up any errors.

user-1368

I'm using 'tvmode=flashvhigh' for 832x468 (my normal setting).
D/L times seem normal to me.

user-585

When you do switch to using HLS and HVF, you may well find a big speed increase :)

user-527

A problem in downloading "Full Steam Ahead" Episode 4.

There are warnings of possible gaps in the prog.  Where these happen sounds leads several seconds ahead of video.

I have oberved this on 2 progs recently.

For "Full Steam Ahead" Episode 4, I have downloaded a second time with same consequence. 

Full output below.

Please advise.

get_iplayer Output:


C:\Program Files (x86)\get_iplayer>geturl http://www.bbc.co.uk/iplayer/episode/b07...-episode-4
WARNING: Ignored option in C:\ProgramData/get_iplayer/options: 'mmsnothread = 1'
WARNING: Option 'mmsnothread' is no longer used and is scheduled for removal
WARNING: Please delete option 'mmsnothread' from C:\ProgramData/get_iplayer/options
INFO: Use --dump-opts to display all valid options
WARNING: Ignored option in C:\ProgramData/get_iplayer/options: 'lame = .\LAME\lame.exe'
WARNING: Option 'lame' is no longer used and is scheduled for removal
C:\Program Files (x86)\get_iplayer>geturl http://www.bbc.co.uk/iplayer/episode/b07...-episode-4 --force
WARNING: Ignored option in C:\ProgramData/get_iplayer/options: 'mmsnothread = 1'
WARNING: Option 'mmsnothread' is no longer used and is scheduled for removal
WARNING: Please delete option 'mmsnothread' from C:\ProgramData/get_iplayer/options
INFO: Use --dump-opts to display all valid options
WARNING: Ignored option in C:\ProgramData/get_iplayer/options: 'lame = .\LAME\lame.exe'
WARNING: Option 'lame' is no longer used and is scheduled for removal
WARNING: Please delete option 'lame' from C:\ProgramData/get_iplayer/options
INFO: Use --dump-opts to display all valid options
get_iplayer 2.95-dev, Copyright (C) 2008-2010 Phil Lewis
  This program comes with ABSOLUTELY NO WARRANTY; for details use --warranty.
  This is free software, and you are welcome to redistribute it under certain
  conditions; use --conditions for details.

INFO: Episode-only pid detected
INFO: Trying pid: b07nwk5h using type: tv
INFO Trying to stream pid using type tv
INFO: pid found in cache
Matches:

Full Steam Ahead
  1215: Episode 4, BBC Two, b07nwk5h

INFO: 1 Matching Programmes
INFO: Checking existence of original version
INFO: hlshd1,hlsvhigh1,hlshigh1,hlslow1,hlslow2 modes will be tried for version original
INFO: Trying hlshd1 mode to record tv: Full Steam Ahead - 4. Episode 4
INFO: File name prefix = Full_Steam_Ahead-4._Episode_4-2016-08-11

INFO: Downloading Subtitles to 'C:\iPlayer Recordings/Full_Steam_Ahead-4._Episode_4-2016-08-11.srt'
INFO: Begin recording file: C:\iPlayer Recordings\Full_Steam_Ahead-4._Episode_4-2016-08-11.partial.mp4.ts
Recording:    14.16MB / 1009.89MB  2699kbps   1.4% 00:50:22 remaining
WARNING: Segment not found (6) http://cp401489-vh.akamaihd.net/i/iplaye...87118,1500
kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064983267,3200kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064988867,.mp4.csmil/segm
ent6_2_av.ts
WARNING: There may be a gap near 50 secs in programme
Recording:   213.44MB / 1009.89MB  2789kbps  21.1% 00:38:59 remaining
WARNING: Segment not found (74) http://cp401489-vh.akamaihd.net/i/iplaye...987118,150
0kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064983267,3200kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064988867,.mp4.csmil/seg
ment74_2_av.ts
WARNING: There may be a gap near 730 secs in programme
Recording:   268.07MB / 1009.89MB  2797kbps  26.5% 00:36:12 remaining
WARNING: Segment not found (93) http://cp401489-vh.akamaihd.net/i/iplaye...987118,150
0kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064983267,3200kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064988867,.mp4.csmil/seg
ment93_2_av.ts
WARNING: There may be a gap near 920 secs in programme

WARNING: Segment not found (94) http://cp401489-vh.akamaihd.net/i/iplaye...987118,150
0kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064983267,3200kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064988867,.mp4.csmil/seg
ment94_2_av.ts
WARNING: There may be a gap near 930 secs in programme
Recording:   534.09MB / 1009.89MB  2801kbps  52.9% 00:23:11 remaining
WARNING: Segment not found (184) http://cp401489-vh.akamaihd.net/i/iplaye...4987118,15
00kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064983267,3200kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064988867,.mp4.csmil/se
gment184_2_av.ts
WARNING: There may be a gap near 1830 secs in programme
Recording:   880.05MB / 1009.89MB  2799kbps  87.1% 00:06:20 remaining
WARNING: Segment not found (302) http://cp401489-vh.akamaihd.net/i/iplaye...4987118,15
00kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064983267,3200kbps/modav/bUnknown-88a91d19-f7ce-4794-8987-eb1941bad8fb_b07nwk5f_1470064988867,.mp4.csmil/se
gment302_2_av.ts
WARNING: There may be a gap near 3010 secs in programme
INFO: Recorded: 1031.00MB in 00:50:27 at  2790kbps to C:\iPlayer Recordings\Full_Steam_Ahead-4._Episode_4-2016-08-11.partial.mp4.ts
INFO: Begin converting file: C:\iPlayer Recordings\Full_Steam_Ahead-4._Episode_4-2016-08-11.partial.mp4.ts
[h264 @ 04927720] non-existing SPS 0 referenced in buffering period
    Last message repeated 1 times
[NULL @ 04927720] non-existing SPS 0 referenced in buffering period
INFO: Converted file: C:\iPlayer Recordings\Full_Steam_Ahead-4._Episode_4-2016-08-11.partial.mp4
INFO: Recorded file: C:\iPlayer Recordings\Full_Steam_Ahead-4._Episode_4-2016-08-11.mp4

INFO: MP4 tagging MP4 file
'AtomicParsley' is not recognized as an internal or external command,
operable program or batch file.
INFO: Command exit code 1 (raw code = 256)
WARNING: Failed to tag MP4 file

C:\Program Files (x86)\get_iplayer>

user-527

I have just downloaded and installed V 2.95.2 for Windows and still getting "Segment[s] not found" on Full steam ahead Episode 4.

Any help would be much appreciated.

EDIT: duplicated output spew removed

user-1368

Did you try using the FLASH mode as described in the previous posts ?

user-527

I have now:-

get_iplayer Output:


INFO: 1 Matching Programmes
INFO: Checking existence of original version
INFO: No specified modes (flashigh) available for this programme with version 'original'
INFO: Try using --modes=flashhd,flashvhigh,flashhigh,flashstd,flashlow
ERROR: Failed to record 'Full Steam Ahead - 4. Episode 4 (b07nwk5h)'

user-527

Update. I have now put the sting "modes HLS,HVF,HLSHD.flashHD,flash" in the Option file and I am succeeding in downloading Full Steam Ahead Episode 4, b07nwk5h at 720p

I trust this will help me obtain the other problems on which I have had the problem, viz:-

http://www.bbc.co.uk/iplayer/episode/b07...gara-falls
http://www.bbc.co.uk/iplayer/episode/b07...-jamestown

user-585

Quote:INFO: No specified modes (flashigh) available for this programme with version 'original'

The reason that didn't work before is because you made an error in the original command. You missed an 'h' in flashhigh.

user-527

Notice that now.  Many thanks, apologues, maen ddrwg, etc.

user-910

Just to report, I think I've found two programmes which have HLS but no flashhd. The latest two episodes of Wild both fail under flashhd (no streams found), but work (with segments missing) under HLS.

4189: Wild: 2005-06 Shorts - Storm Geese, BBC Four, b0078zqn
4190: Wild: 2005-06 Shorts - Eider Duck Island, BBC Four, b0078zwm

user-2

Not all programmes are available in HD. That is normal and has nothing to do with the recent problems.

user-910

Yup you're right - flashvhigh1 worked.

So used to everything being available in HD these days...

user-1386

Has the BBC fixed this?

I started recording all the Olympics Table Tennis episodes a week or so back and at least 50% or so had the 'Segment not found' issue. I only used to get it with earlier rounds, the finals stages (more recent) did not suffer.

However, I have not had one 'Segment not found' issue in the last two or three days' worth of recordings even the early rounds. I used to get several a day previously.

Coincidence or it's been fixed?

user-2

Programmes from 26 Aug onwards appear to be fixed, but YMMV. Old programmes have not been repaired. The issue is generally moot with the latest get_iplayer, anyway. Thread closed.

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