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SageTV Customizations This forums is for discussing and sharing user-created modifications for the SageTV application created by using the SageTV Studio or through the use of external plugins. Use this forum to discuss customizations for SageTV version 6 and earlier, or for the SageTV3 UI.

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  #1  
Old 01-31-2009, 07:32 PM
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bnh bnh is offline
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comskip and Oprah

The WAF has dropped like the Dow Jones index, as she commented that comskip isn't detecting commercials correctly. I'm wondering if there are any tried and true tricks to optimize this series specifically? i'm running comskip 79_144. Ini follows:

detect_method=127 ;1=black frame, 2=logo, 4=scene change, 8=fuzzy logic, 16=closed captions, 32=aspect ration, 64=silence, 128=cutscenes, 255=all
validate_silence=1 ; Default, set to 0 to force using this clues if selected above.
validate_uniform=1 ; Default, set to 0 to force using this clues (like pure white frames) if blackframe is selected above.
validate_scenechange=1 ; Default, set to 0 to force using this clues if selected above.
verbose=10 ;show a lot of extra info, level 5 is also OK, set to 0 to disable
max_brightness=60 ;frame not black if any pixels checked are greater than this (scale 0 to 255)
test_brightness=40 ;frame not pure black if any pixels checked are greater than this, will check average brightness (scale 0 to 255)
max_avg_brightness=25 ;maximum average brightness for a dim frame to be considered black (scale 0 to 255) 0 means autosetting
max_commercialbreak=600 ;maximum length in seconds to consider a segment a commercial break
min_commercialbreak=25 ;minimum length in seconds to consider a segment a commercial break
max_commercial_size=125 ;maximum time in seconds for a single commercial or multiple commercials if no breaks in between
min_commercial_size=4 ;mimimum time in seconds for a single commercial
min_show_segment_length=125 ; any segment longer than this will be scored towards show.
non_uniformity=500 ; Set to 0 to disable cutpoints based on uniform frames
max_volume=500 ; any frame with sound volume larger than this will not be regarded as black frame
min_silence=12 ; Any deep silence longer than this amount of frames is a possible cutpoint
ticker_tape=0 ; Amount of pixels from bottom to ignore in all processing
logo_at_bottom=0 ; Set to 1 to search only for logo at the lower half of the video, do not combine with subtitle setting
punish=0 ; Compare to average for sum of 1=brightness, 2=uniform 4=volume, 8=silence, 16=schange, set to 0 to disable
punish_threshold=1.3 ; Multiply when amount is above average * punish_threshold
punish_modifier=2 ; When above average * threshold multiply score by this value
intelligent_brightness=0 ; Set to 1 to use a USA specific algorithm to tune some of the settings, not adviced outside the USA
logo_percentile=0.92 ; if more then this amount of logo is found then logo detection will be disabled
logo_threshold=0.75
punish_no_logo=1 ; Default, set to 0 to avoid show segments without logo to be scored towards commercial
aggressive_logo_rejection=0
connect_blocks_with_logo=1 ; set to 1 if you want successive blocks with logo on the transition to be regarded as connected, set to 0 to disable
logo_filter=0 ; set the size of the filter to apply to bad logo detection, 4 seems to be a good value.
cut_on_ar_change=1 ; set to 1 if you want to cut also on aspect ratio changes when logo is present, set to 2 to force cuts on aspect ratio changes. set to 0 to disable
delete_show_after_last_commercial=0 ; set to 1 if you want to delete the last block if its a show and after a commercial
delete_show_before_or_after_current=0 ; set to 1 if you want to delete the previous and the next show in the recording, this can lead to the deletion of trailers of next show
delete_block_after_commercial=0 ;set to max size of block in seconds to be discarded, set to 0 to disable
remove_before=0 ; amount of seconds of show to be removed before ALL commercials
remove_after=0 ; amount of seconds of show to be removed after ALL commercials
shrink_logo=5 ; Reduce the duration of the logo with this amount of seconds
after_logo=0 ; set to number of seconds after logo disappears comskip should start to search for silence to insert an additional cutpoint
padding=0
ms_audio_delay=5
volume_slip=20
skip_b_frames=0 ; Set to 1 to force Comskip to skip frames for higher processing speed.
max_repair_size=200 ; Will repair maximum 200 missing MPEG frames in the timeline, set to 0 to disable repairing for players that don't use PTS.
disable_heuristics=4 bit pattern for disabling heuristics, adding 1 disables heristics 1, adding 2 disables heristics 2, adding 4 disables heristics 3, 255 disables all heuristics
delete_logo_file=0 ; set to 1 if you want comskip to tidy up after finishing
output_framearray=0 ; create a big excel file for detailed analysis, set to 0 to disable
output_data=0 ; create a dump of the user data channel, used for CC and XDS (such as V-Chip info). Can be use together with output_framearray to remote debug CC decoding
output_videoredo=0
output_womble=0
output_mls=0 ; set to 1 if you want MPeg Video Wizard bookmark file output
output_cuttermaran=0
output_mpeg2schnitt=0
output_mpgtx=0
output_dvrcut=0
output_zoomplayer_chapter=0
output_zoomplayer_cutlist=0
output_edl=1
output_edlx=0
output_vcf=0
output_bsplayer=0
output_btv=0 ; set to 1 if you want Beyond TV chapter cutlist output
output_projectx=0 ; set to 1 if you want ProjectX cutlist output (Xcl)
output_avisynth=0
output_vdr=0 ; set to 1 if you want XBMC to skipping commercials
output_demux=0 ; set to 1 if you want comskip to demux the mpeg file while scanning
sage_framenumber_bug=0
sage_minute_bug=0
live_tv=0 ; set to 1 if you use parallelprocessing and need the output while recording
live_tv_retries=4 ; change to 16 when using live_tv in BTV, used for mpeg PS and TS
dvrms_live_tv_retries=300 ; only used for dvr_ms
standoff=0 ; change to 8000000 when using live_tv in BTV
cuttermaran_options="cut=\"true\" unattended=\"true\" muxResult=\"false\" snapToCutPoints=\"true\" closeApp=\"true\""
mpeg2schnitt_options="mpeg2schnitt.exe /S /E /R25 /Z %2 %1"
avisynth_options="LoadPlugin(\"MPEG2Dec3.dll\") \nMPEG2Source(\"%s\")\n"
dvrcut_options="dvrcut \"%s.dvr-ms\" \"%s_clean.dvr-ms\" "
windowtitle="Comskip - %s"
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  #2  
Old 02-01-2009, 01:45 AM
erik erik is offline
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That is a strange setting.
Why have detect_method at 127?
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  #3  
Old 02-01-2009, 01:13 PM
gibsonpa gibsonpa is offline
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I don't have any answers...but my WAF is low for Oprah also (most other shows are great).

Based on my analysis, Oprah has quite a few "cut scenes" where they profile a person or something, that has similar characteristics to and ad.

Have not found any way to avoid via comskip, so I have turned off "auto-skip" in SageMC under the Comskip settings so now at least she can watch the "cut-scene" without it auto skipping past it. Downside is that you have to manually hit the skip button on the remote to skip "real" commercials.
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  #4  
Old 02-01-2009, 01:48 PM
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bnh bnh is offline
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Quote:
Originally Posted by erik View Post
That is a strange setting.
Why have detect_method at 127?
I have no clue. I'm not sure i ever touched anything in that file, other than the various output options.
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  #5  
Old 02-01-2009, 02:31 PM
erik erik is offline
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But its not the default ini that comes with comskip
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  #6  
Old 02-02-2009, 07:24 PM
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bnh bnh is offline
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Quote:
Originally Posted by erik View Post
But its not the default ini that comes with comskip
judging by what is on the comskip.org site, i assume your recommended default is detect_method=111, so that's what i changed it to last night. Unfortunately, it seems today's Oprah was a repeat, so Sage did not record it since it was previously watched. Thus i have no WAF feedback on the setting change.

However, i will say this change did seem to fix one of my CNBC shows, Fast Money, that invariably didn't detect a commercial correctly (the inverse of the Oprah problem). I can only conclude, that in my initial naiveté, i changed the setting without documenting it...(me being an IT manager, i know that never happens.. )

If there is an increase in WAF from watching Oprah via Sage skipping commercials due to this change, i will dutifully report such news back here.
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  #7  
Old 02-03-2009, 12:08 AM
erik erik is offline
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Please follow the "how to ask for help" topic in the comskip support forum and I will be glad to help increasing the WAF
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  #8  
Old 02-03-2009, 12:24 AM
bnh's Avatar
bnh bnh is offline
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Join Date: Aug 2008
Posts: 120
Quote:
Originally Posted by erik View Post
Please follow the "how to ask for help" topic in the comskip support forum and I will be glad to help increasing the WAF
thanks. made the following changes as designated:

Quote:
output_framearray=1
output_data=1
verbose=10
i will forward output results when i have a recorded show that has "low" WAF.
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