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    Old 19th March 2019, 17:02   #641  |  Link
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    By the way, why can't UT video play back it's own format?
    Both "ULH4 Decoder DMO filter" and "UMRG Decoder DMO" only produce a blackscreen when I tried playing them back. So can't in anyway view the recorded files.
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    Old 19th March 2019, 17:03   #642  |  Link
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    By the way, why can't UT video play back it's own format?
    Both "ULH4 Decoder DMO filter" and "UMRG Decoder DMO" only produce a blackscreen when I tried playing them back. So can't in any way view the recorded files.
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    Old 20th March 2019, 16:49   #643  |  Link
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    Quote:
    Originally Posted by mzso View Post
    What effect does the temporal compression option has?
    The temporal compression is slower than non-temporal one in most case. Of course, its compression ratio depends on source video. Use temporal compression for static video.

    Quote:
    Originally Posted by mzso View Post
    By the way, why can't UT video play back it's own format?
    Both "ULH4 Decoder DMO filter" and "UMRG Decoder DMO" only produce a blackscreen when I tried playing them back. So can't in anyway view the recorded files.
    That is strange. What application did you use?
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    Old 23rd March 2019, 12:30   #644  |  Link
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    Quote:
    Originally Posted by umezawa_takeshi View Post
    That is strange. What application did you use?
    MPC-HC, MCP-BE, Potplayer. I tried ULH4 and UMRG and in each case I only got a black screen with playback not starting. Seeking didn't do anything either, more black and no playback.

    (By the way, why the excessive amount of fourCC identifiers? Other codecs that I know of that support multiple color formats of and have multiple compression methods only have one or two, such as AVC.)

    Last edited by mzso; 23rd March 2019 at 12:58.
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    Old 23rd March 2019, 16:08   #645  |  Link
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    Quote:
    Originally Posted by mzso View Post
    MPC-HC, MCP-BE, Potplayer. I tried ULH4 and UMRG and in each case I only got a black screen with playback not starting. Seeking didn't do anything either, more black and no playback.
    I tried them, but all work file.

    Quote:
    Originally Posted by mzso View Post
    (By the way, why the excessive amount of fourCC identifiers? Other codecs that I know of that support multiple color formats of and have multiple compression methods only have one or two, such as AVC.)
    In order to reduce possibility of color information loss caused by mis-configuring codecs.
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    Old 24th March 2019, 08:35   #646  |  Link
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    DirectShow is a box of candy; you may have to trace the graph to discover if there is a "filter in the middle" ruining the result. Or it might even be the graphic driver pretending to support a display feature it actually did not implement well. I guess. Don't quote me...
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    Old 24th March 2019, 11:19   #647  |  Link
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    Quote:
    Originally Posted by LigH View Post
    DirectShow is a box of candy; you may have to trace the graph to discover if there is a "filter in the middle" ruining the result. Or it might even be the graphic driver pretending to support a display feature it actually did not implement well. I guess. Don't quote me...
    I doubt there is a filter in the middle. These apps all show what filters are loaded.
    MPC-HC even allows copying the list:
    Code:
    Filters currently loaded:
      - Default DirectSound Device
      - madVR
      - Audio Switcher
      - UMRG Decoder DMO
      - LAV Audio Decoder (internal)
      - LAV Splitter Source
    After I remove audio, the playback does start, but I still only get a black screen. These filters are loaded:
    Code:
    Filters currently loaded:
      - madVR
      - UMRG Decoder DMO
      - LAV Splitter Source
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    Old 24th March 2019, 11:33   #648  |  Link
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    Okay. So, since there's precious little that's loaded, I tried changing the renderer and it turns out that it only doesn't work with madVR. For whatever reason.
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    Old 24th March 2019, 14:05   #649  |  Link
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    I tried madVR + MPC-HC (x64). This combination makes blank output, as you said.

    According to my additional investigation, this is because madVR's behavior is strange and is not compatible with UtVideo's DMO implementation. I am not responsible for it.
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    Old 24th March 2019, 18:37   #650  |  Link
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    Quote:
    Originally Posted by umezawa_takeshi View Post
    I tried madVR + MPC-HC (x64). This combination makes blank output, as you said.

    According to my additional investigation, this is because madVR's behavior is strange and is not compatible with UtVideo's DMO implementation. I am not responsible for it.
    Well, you can talk it out with the madVR dev, I guess: madVR's topic

    Last edited by mzso; 24th March 2019 at 19:14.
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    Old 24th March 2019, 20:44   #651  |  Link
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    @mzso:
    madVR + MPC-HC (x64) + MPC-HC (x32) are doing fine with LAV Filters.
    I'm using this all the time.
    Only the UTVideo Decoders give a black hole .
    And this is how it is for a long time.
    I don't even remember when this came first to my attention..
    But any way:
    A Big Thank You to Umezawa_Takeshi for maintaining this great
    Encoder and Decoder !
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    Old 26th March 2019, 09:05   #652  |  Link
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    I bet madshi will have reasons to make madVR behave as it does ... if you two talk together, you may find a way to achieve compatibility.
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    Old 16th April 2019, 10:16   #653  |  Link
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    I see interlaced encoding got deprecated in the latest release.

    Can we expect that at least decoding will not be dropped subsequently?

    For VHS archival purposes, I currently use Median Interlaced mode, as it gives ~10% better compression.
    Also, (and it's _very_ convenient) my player/decoder suite (K-Lite) invokes deinterlacing automatically, that does not happen for the non-interlaced mode (and AVI format doesn't allow to store interlaced flag externally).

    Compression results for interlaced video (VHS capture, TFF, if it matters):
    Code:
    Gradient                1793 MB     100%
    Median                  1689 MB      94%
    Left                    1669 MB      93%
    Left Interlaced         1669 MB      93%
    Gradient Interlaced     1589 MB      89%
    Median Interlaced       1528 MB      85%
    Relative savings are significant in all modes except Left:
    Code:
    Gradient                1793 MB     100%
    Gradient Interlaced     1589 MB      89%
    
    Median                  1689 MB     100%
    Median Interlaced       1528 MB      90%
    
    Left                    1669 MB     100%
    Left Interlaced         1669 MB     100%
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    Old 17th April 2019, 16:00   #654  |  Link
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    I have no plan to remove interlace mode feature from ULxx. Please don't worry.

    Last edited by umezawa_takeshi; 18th April 2019 at 15:20.
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