![]() ![]() There also doesn't seem to be a way of deleting any duplicate channels (same name but with a rogue LCN) which have got in there by accident.Avidemux is very good for linear editing. The latter does the job perfectly well, but it is a pain to use because there are some operations that you can only do with the cursor keys (selecting the programme that you want to record from the EPG - you can't click on it) and others where you can only do by right-clicking and not alternatively by key press. It's no great hardship to use VideoRedo (on the Windows PC) - I realised a long time ago how useful it was and bought a licence.Īs regards actually recording off-air, I *much* prefer the user-interface of NextPVR on Windows to the very clunky UI of MythTV on Linux. For the latter, I'd wondered about also editing out commercials and continuity announcements on the Pi. I'm using both Windows and Linux (Ubuntu) side by side at the moment (on different PCs): I'm investigating the ability to use a Linux device (which will eventually be a Raspberry Pi) for the two tasks which currently require my Windows PC to be left on 24/7: logging the data from my weather station and uploading it to the web and recording TV programmes. ![]() If Videoredo has cracked the problem of inserting a synthesised P frame at the scene change and then calculating a few I frames onwards from that until the next P frame in the source video, then I'd expect Avidemux to be able to do it. I'm surprised that Avidemux can't make frame-accurate joins any more. Super 8 joints seem to remain visible for a *lot* longer than 1/18 or 1/24 second: once you hit one, that zig-zag pattern seems to stay there, etched on the retina, for a couple of seconds -) I suppose it's the video equivalent of a pause/resume edit on VHS, where you get coloured bands, or those crappy zig-zag cement-splice joints on Super 8 film. For a laugh I'll try it with an HD (H264) recording and see how a bad joint manifests itself in that case. I tried it with an SD recording from TV in the UK, so that would be an MPEG recording. Quote from: martinu on September 07, 2018, 03:01:29 AM I was reading Paul Arnote's article about using Avidemux as a Linux alternative to VideoRedo on Windows, for editing out continuity announcements, trailers and commercials from an off-air video recording. ![]() That may be a limitation of Avidemux or it may be an incorrect setting on my behalf, but either way it doesn't match Paul's comments about both VideoRedo and Avidemux producing cleaner cuts. It looks as if Avidemux doesn't generate a new P-frame and sufficient I-frames to last until the next P-frame in the original video, as VideoRedo does. ![]() I'm wondering if I'm doing something wrong because if I make a cut which is not on a P-frame boundary, I get a warning message that the join will be corrupted - and indeed the picture does dissolve into macroblocks for a couple of frames at the join. Video Redo and Avidemux fall into this latter category of video editors." With frame-based editors, you can make much cleaner edits. Thus, if the broadcast image fades to a commercial that does not occur at a reference frame, you can still make precise cuts, eliminating the "flash" of the last fraction of a second of an advertisement that precedes your cut point. He talks about time-based editors having to restrict cuts to the nearest full P-frame, and says "Now, with frame-based editors, you can make your edits on any frame of the video. I was reading Paul Arnote's article about using Avidemux as a Linux alternative to VideoRedo on Windows, for editing out continuity announcements, trailers and commercials from an off-air video recording. ![]()
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