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19th November 2011, 19:03 | #7141 | Link | |
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LAV Filters - open source ffmpeg based media splitter and decoders |
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19th November 2011, 20:10 | #7143 | Link | |
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19th November 2011, 20:18 | #7144 | Link |
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nev,
this is a capture I've just made from my local cable TV. http://www.mediafire.com/?2ub8kb1pdtlbt5f It shows a problem with the field order which happens from time to time. From what I see the first part is BFF while the end (and the usual for our PAL country) is TFF. It's just this news story (and rarely others like it) that is inverted. I can manually fix by changing TFF or BFF but sadly its not very convenient and I was hoping the decoder can sense this and act accordingly. Is there any hope or I should forget about it and simply blame the producers/broadcasters for this mess? Edit: Or could it be that the DVB App that I'm using (DVBViewer) messed it up?
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19th November 2011, 20:20 | #7145 | Link |
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If the auto fieldorder setting doesnt work, then there isnt much hope.
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LAV Filters - open source ffmpeg based media splitter and decoders |
19th November 2011, 20:30 | #7146 | Link | |
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BTW, what's the best deband filter out there? Speed? |
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19th November 2011, 21:10 | #7147 | Link | |
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I don't think I tried all possible solutions but what I personally like is flash3kyuu (f3kdb), which is more optimised, available for 32 and 64 bit, supports up to 16bit bitdepth (input and output), has dithering to go from higher to lower bitdepth and gives visually much nicer results. EDIT: full-chroma colorspaces probably supported too, didn't actually tried Last edited by Keiyakusha; 19th November 2011 at 21:48. |
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19th November 2011, 23:54 | #7148 | Link | |
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Does it work for anybody?
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20th November 2011, 01:41 | #7149 | Link | |
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Why deband? You have to ask that question to the gcc devs, there was a bug that was triggered by something in gradfun's code and not by anything else. Everything ffmpeg related is compiled with gcc in Windows (LAV, ffdshow, madVR...). x264 has suffered gcc bugs in the past too. |
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20th November 2011, 08:35 | #7151 | Link |
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No, never.
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20th November 2011, 10:40 | #7155 | Link |
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Same here, only the ffmpeg dlls are compiled with GCC, libbluray and LAV itself are compiled with MSVC2010, but i think thats what he meant.
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20th November 2011, 12:19 | #7157 | Link | |
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I did try that because I was curious but I really don't think nev should bother implementing that in LAV, it butchers films and not that many people want it. There are a lot of TVs that do it much better than software implementations anyway. |
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20th November 2011, 13:27 | #7159 | Link |
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Well, at least LAV is very much "ffmpeg related", too, seeing that in its core it's basically a DirectShow wrapper around ffmpeg/libav, so what you said was not that obvious. Anyway, doesn't matter, it's cleared up now.
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20th November 2011, 15:15 | #7160 | Link |
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madVR is the same after all. You're the only one that knows what the hell is a decoder doing inside a DirectShow video renderer after all that talk about the correct place of putting things
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decoders, directshow, filters, splitter |
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