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6th February 2007, 08:14 | #222 | Link |
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Well, you need to turn deinterlacing on (it's field-shifted). Wait, was this question about whether the file plays at all, or whether it automatically triggers the deinterlacing? I don't remember the latter being added.
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6th February 2007, 10:25 | #223 | Link | |
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Quote:
I guess I'll have to take a look at the AviSynth filter in the near future - but I'd be happy if someone could tell me if it's possible to read a few frames ahead in the input stream for the filter, or if it's at least possible to just kind-of return nothing from the filter while buffering up a few input frames. (Or if that's not possible - would returning the same frame with the same timestamp a few times work?) Either of that should make it possible to implement limited support for seeking (within a configurable range) in AviSynth and also for dropping frames. Of course, ideally TIVTC should be integrated as a "real" ffdshow filter with a config dialog for ease of use... But I guess I should try to get ffdshow to build first...
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6th February 2007, 10:26 | #224 | Link | |
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Quote:
Hardware deinterlacing support for MPEG4-ASP works even with 20051115. libavcodec works, xvid does not. |
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6th February 2007, 10:31 | #225 | Link | |
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6th February 2007, 10:32 | #226 | Link | |
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Quote:
Is the de-interlacing "automated" (ie: does FFdshow detect the interlaced and field position from header in the MPEG-4 stream) or is some "manual" intervention required? Cheers
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6th February 2007, 10:51 | #227 | Link | |
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I sue the build 885. IDTC is set to libmpeg2. (if I enable deinterlacing the video is ok.) |
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6th February 2007, 10:56 | #228 | Link | |
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ffdshow detects intercaced video, but does not detect "Bob" or "Weave". If Output->Use overlay mixer->HW deinterlacing is checked (and Method "Bob" is selected), ffdshow detects interlaced video and set interlaced flag in output media type. If the video is true progressive, you don't have any side effect. The problem is, if the video is interlaced "Weave" (like film source DVD), you'll have to uncheck HW deinterlacing or select Method "Weave". |
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6th February 2007, 11:12 | #229 | Link | |
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You might have better ideas of how to hack vfw into the directshow framework, as well. Another method is just to inject global per-frame variables into the environment and have tfm/tivtc modify them directly (ignoring them when used in pure avisynth). Requiring direct plugin support is annoying, but everything else I've thought of is a really lousy hack. |
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6th February 2007, 11:41 | #230 | Link |
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I have a small problem with hw deinterlacing in mpeg-2 video:
ffdshow only: OK MPC internal decoder only: OK DScaler filter only: OK MPC internal decoder + ffdshow (uncompressed): OK DScaler + ffdshow (uncompressed): doesn't work I tried to change the settings of Dscaler and ffdshow, but no matter what I did, I had no way to enable hardware deinterlacing when dscaler was connected with ffdshow... |
6th February 2007, 11:42 | #231 | Link | |
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Cheers
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6th February 2007, 12:11 | #233 | Link | |
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I fiddled about with Media Player Classics "Output" filters and discovered that when set to "System Default" the de-interlacing works okay. But when set to "VMR7 or VMR9 (Renderless)" it does not.... Well not for me... Bummer!
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6th February 2007, 12:44 | #234 | Link |
what's this for?
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this whole render discussion(s) is drivin' me nuts... for myself I came to the conclusion, if I set the renderer to VMR7 (windowed) at least on my system I have always highest interoperability...
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6th February 2007, 13:17 | #235 | Link |
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I used the software deinterlacer in ffdshow. That will work with VMR-9 too.
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6th February 2007, 18:10 | #238 | Link |
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hi,
i have big problems with skyoneHD streams to decode with ffshow (h264 - libavcodec). i use the latest haali splitter for the transport stream splitting and ffshow as decoder for transcoding to x264. with graphedit i setup filter graphs to use ffdshow, cyberlinks h264 decoder and coreavc. for me ffdshow gives the best picture so i want to go with it. coreavc has still the color issues on these kind of 1080 streams (paff i think). cyberlink has kind of a more blury look. problem is that at some points in the stream there are i think little errors which all the other decoder eat up but only ffdshow chokes on. on older builds there were heavy blocky images on these locations but with the latest builds 850+ ffdshow crashes asking for a jit debugger (i have vs 2005 installed). i have uploaded a little sample of these errors so that you guys can have a look at them. the latest ffdshow build i tried is 890, i set IDCT to auto, encoder workarounds to autodetect, error resilience to compliant and error concealment to none. please have a look, because this is starting to cost very much sleep for me sample: http://www.megaupload.com/?d=0Z6EP0RW http://www.mytempdir.com/1205486 (mirror) Last edited by Hans Ohlo; 6th February 2007 at 18:39. |
6th February 2007, 19:00 | #239 | Link |
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That sample also crashes FFplay revision 7768.
Submit your sample to the FFmpeg developers: http://ffmpeg.mplayerhq.hu/bugreports.html
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6th February 2007, 19:09 | #240 | Link |
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Decoding seems to be a little more stable if you re-mux the video stream into the .MP4 container (along with re-encoded AC3-to-AAC audio)...
Cheers
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ffdshow, ffdshow tryouts, ffdshow-mt, ffplay, icl |
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