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Questions tagged [timecode]

The tag has no usage guidance.

-1
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0answers
23 views

Trying to clean up (fix) vob file time code in order to point FFMPEG to in and out

15 years ago I created a DVD with a Ulead video editing software. Unfortunately, I have lost the original footage files, so as I now like to extract some clips from the videos, I have to extract from ...
0
votes
1answer
53 views

How does ffmpeg record -timecode in different file formats?

As a followup to Add timecode information to file ffmpeg documents the -timecode parameter: -timecode hh:mm:ssSEPff Specify Timecode for writing. SEP is ’:’ for non drop timecode and ’;’ (or ’...
0
votes
1answer
89 views

Create a MXF media with a video and audio clip at specific timing compatible with Pro Tools

I have several media: one video file several audio files I would like to create a new MXF media with the video file and mixing the audio files at specific timestamp and tracks: Starting time of the ...
1
vote
1answer
400 views

ffmpeg timecode and -r

Following up on this question: ffmpeg drawtext timecode source framerate I want to change the frame rate of a file, scale it down and burn the timecode in one operation. ffmpeg -i in.mpg -r 24 -vf "...
1
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0answers
111 views

Is there a container format in ffmpeg that supports non-monotonous timestamps?

I have recorded over-the-air digital TV broadcasts from my own antenna. Due to reception blips, the MPEG-TS file can have corrupted packets, and thus corrupted timestamps, in the middle of a ...
0
votes
1answer
91 views

SDI loop through with LTC embedder

I was wondering if there’s a converter out there that would take a HD-SDI in, as well as a LTC in, and an SDI out. We currently have video feeds with no timecode embedded and was trying to loop ...
0
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1answer
69 views

How do I apply a timecode and then I speed up x4 a video with ffmpeg without losing quality?

I'm trying to create a .bat file for ffmpeg that: Applies a timecode overlay (e.g. 00:17:23:02) Speeds up the video x4 (but AFTER the timecode is applied) Doesn't "touch" the quality of the original ...
1
vote
1answer
76 views

How to copy timecode value from a video to clipboard on a mac

Is there any app that can copy timecode values to clipboard? I'm playing a video. I want to stop the video, press a keyboard shortcut, then go to a google doc and paste the timecode value (not a ...
2
votes
1answer
638 views

Problem setting first frame timecode using ffmpeg - timecode always different from requested for 59.94fps video

Edit: Found to be a small bug in FFmpeg. It should hopefully soon be patched. I'm having issues with setting the timecode for some .MXF files that I have. If I run the command: ffmpeg -i test.MXF -...
0
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0answers
263 views

H.264/AC-3 DVB transport stream with duplicate DTS throughout the file plays fine but cannot be remuxed

This question has been previously asked with a different focus. However, during the resolution process it became necessary to present the question with more specificity. Among a group of MPEG-TS ...
5
votes
1answer
496 views

How are frames in 59.94 drop-frame timecode dropped?

The pattern for dropping frames in 29.97 drop-frame SMPTE timecode is well documented (2 frames at every minute except when minute is a multiple of 10). I was wondering how it works with 59.94 fps ...
1
vote
1answer
249 views

How to use (or should I use) time code/user bit feature on Sony FDR-X3000 action cam

In the Sony FDR-X3000 action cam user manual, it says: About time code: Time code is a useful function for advanced image editing, which records hours/minutes/seconds/frames on the image data. About ...
0
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0answers
462 views

FFMPEG trimming video

I'm using the trim command in ffmpeg to remove the first 8 seconds of a video, it works fine if i just trim the video but when i add the atrim audio filter i get this error: Media type mismatch ...
1
vote
4answers
90 views

Audio/video sync puzzle

I filmed an event with two cameras and I need to sync the second camera footage with the audio of the first. This was a live event and I couldn't record sync aids like a clapper. I name my video ...
0
votes
1answer
107 views

Premiere .prproj file ticks drift by 1/1000 compared to timecodes

I am a programmer and am processing Adobe Premiere .prproj files. I read the contained XML data to figure out where a <Media> element's video file starts. I have a video that's been recorded ...
0
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0answers
757 views

mp4 copy to ts: pts_time goes from 0 to 3.4

ffmpeg -i in.mp4 -c copy out.ts works fine for me, except the .mp4 starts at pts_time 0 but the .ts insists on pts_time=3.4 (sometimes 2.4!), no matter how much I fiddle with various options. ...
0
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0answers
56 views

Plot time vs. brightness from video section (h264)

I want to plot time vs. brightness of a section (crop) from a video I shot. In that section is a blinking red LED and I want to extract data of when that LED turned on/off from my video, with the ...
0
votes
1answer
570 views

Error decoding timecode using ffprobe

I'm using ffprobe to get timecode from an mxf which has DF timecode but with a non DF frame rate. I'm getting the error Drop frame is only allowed with 30000/1001 or 60000/1001 FPS. I'm running ...
1
vote
1answer
456 views

pause video with overlay ffmpeg

I'd like to overlay a png onto a video at a certain timestamp and have the video pause (loop) on that frame for X seconds with the overlay. What would be the best method to accomplish this?
4
votes
1answer
1k views

Video metadata: What is “Video delay” used for?

Recently, I'm forced to fiddle with a nasty little problem with videos that have some special metadata attributes, namely "delay" or "delay_relative_to_video". There's a software videoconferencing ...
1
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0answers
589 views

How can I remove the timer of the preview screen?

How can I remove timer from the lower center of the preview screen (circled in red) of adobe after effects?
4
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3answers
2k views

ffmpeg: preserve timecode when converting mp4 to mov

I have .mp4 files created by a Sony A7s camera. They're using the xavc-s codec. I'm converting them to .mov using the command below. The orignal files have a timecode but that is not present in the ...
3
votes
2answers
802 views

Reset timecode in source footage to 00:00:00

I have an MOV footage clip supplied by a freelancer that starts timecode at 11:48:09. It's a standalone clip that I don't need to retain that timecode for. Would be very useful to reset it to 00:00:...
2
votes
2answers
423 views

How is 29.97 timecode generated over a full day without frame errors?

A quick primer:American television was originally broadcast at 30 frames per second. In order to accommodate color information without losing backward-compatibility with B&W televisions, the ...
3
votes
3answers
99 views

Is 0.0036% time inaccuracy on a consumer-grade camcorder expected?

I did an experiment on our church's camcorder (Sony Handycam HDR-CX380) recently to test whether it was the source of a time inaccuracy between our video recordings and PC audio recordings of sermons (...
5
votes
1answer
571 views

Trying to sync audio in mpeg2 video whose video freezes first 8 seconds in playback

So I have a handful of old mpeg2 (.mpg) files with the following profiles as provided by ffmpeg (the timecodes on each are different): Stream #0:0(eng): Video: mpeg4 (Advanced Simple Profile) (mp4v / ...
2
votes
1answer
761 views

Auto generate video clips using a CSV of times as markers from a single MPG video

I have an MPG video and a CSV of times. I am searching for a way to automatically generate clips from the video using those times. So at each time position a clip is generated with 10 seconds either ...
1
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0answers
27 views

Force Final Cut to use embedded timecode in preference to file creation time?

I have a series of clips from a GoPro that have embedded timecodes -- the media start/end fields show up correctly in the Info inspector. However, when the files were copied between filesystems, the ...
4
votes
0answers
1k views

Extract the frame (in image format) at exactly every minute (or second) from a video (by ffmpeg)

Motivation: I would like to seek the frame, then take high quality and exact time screenshots (images) from a video. The video is length is 00:48:43.71 and 23.98 fps (we can think it is 24 fps, isn't ...
3
votes
1answer
810 views

How to recover a video that has no time index?

I have a wmv video file that was recorded using widows media encoder. However, while recording, the computer lost power and the video is was not "completed". The video will play in most player, ...
1
vote
1answer
3k views

How to keyframe a crop in Premiere Pro CC

I am working on a school project, and it starts off with a 5 second count up that takes up the full screen. I am using the prebuilt insert timecode effect built into Premiere. What I have done is ...
4
votes
4answers
9k views

How to burn timestamp onto video?

I want to burn timestamp from the video meta data on to the video. I'm having great difficulty in finding a good tool that does that. Is there a video editing tool out there that allows timestamp ...
1
vote
1answer
1k views

Setting timecode in Premiere Pro by using file creation date of clips

I have filmed a small rock concert with 4 cameras. One of the cameras was filming short sequences (about 3 mins Clips), then paused for a few minutes and than resumed. Now it is quite a lot of work ...
3
votes
1answer
2k views

Adding a sport watch timer

I'm looking for a way to display a timer to measure things happening during the movie, a swimming event for example. Can I add a timer that will start once the race is started and displaying in MM:...
1
vote
1answer
176 views

Time code audio tracks in NLE?

How do you generate audio time code (LTC) tracks, if your platform doesn't offer them natively? Some editing platforms can generate auxiliary LTC tracks, but many don't. Audible time code may not be ...
1
vote
1answer
5k views

Why is my Time Ruler in After Effects displaying seconds like this?

I know that Cmd clicking on the time stamp in the left corner alternates between frames and seconds, but why are my seconds displayed like this? every other screen of the app I've seen with other ...
11
votes
1answer
1k views

Is it possible in FFMPEG to change scale over time?

Ok, so using the overlay filter, one can change the x/y location of a video over time by using the "t" variable. For example, overlay=x='if(gte(t,2), -w+(t-2)*20, NAN)':y=0 can be used to start ...
1
vote
1answer
164 views

Record VGA/DVI with timecode

I'd like to record presentations and lectures and then edit them after the fact. I'll use one or more camera feeds and a timecode source (either a camcorder or external source). To record the screen, ...
10
votes
2answers
7k views

Why does all timecode start at 1 hour? (01:00:00:00)

Is there a reason timecode in Final Cut 7 and timecode in Pro Tools starts at the 1 hour mark? eg. 01:00:00:00? As opposed to all zeros? Some old broadcast standard that I don't know about?
2
votes
2answers
517 views

Resolving timecode errors when capturing in FCP from MiniDV tape deck

I'm having an issue capturing video on our Final Cut Pro (version 6.0.6) edit system when pulling in video from our MiniDV tape deck (via Firewire, linked via an Ethernet "extender"). We seem to get a ...
8
votes
6answers
12k views

Adding a time stamp to a video

Anyone know of a program that will add a visible date and time stamp to a video file? Preferably, I can just put in the start time of the video and it will just keep incrementing the time as the video ...
1
vote
1answer
36 views

Checking duration of a marker-created subclip in Final Cut?

I just went through a long video clip in Final Cut 7, adding a marker as the speaker went into the next bullet point of his talk. I'm supposed to convert the clip into video podcasts less than 10 ...
3
votes
3answers
493 views

Fix timecode in merged vobs

I use mpeg streamclip to fix the timecodes in merged vobs. I would like a command line utility that does this without having to recode if possible.
2
votes
4answers
19k views

Fastest way to add a timestamp to a video

Is there any script or application that would add a timestamp to a video (avi or mov)? Does for example mencoder support this function ? I'm using it to join avi files together. I would be happy for ...
1
vote
0answers
157 views

Decoding and Using VITC?

Can any one give me more explanation on VITC? I need to identify the VITC code presented in the VBI signal. How does it's format work? how does one extract it? How are VITC embedded in a video signal? ...
3
votes
1answer
269 views

Hardware/workflow for HD multicam shooting on a budget

I'm interested in doing some multicam shooting of my band's gigs. (This is a personal, not commercial, motivation, so my constraints include budget and cargo space — i.e., minimal equipment bulk. ...
2
votes
1answer
54 views

Reading material for technical aspects of timecode and alignment

I'm a sound engineer with extensive live and recorded experience. My electronics and acoustics are pretty strong IMO but I've never had any extensive interaction with video/film production and post ...
3
votes
2answers
376 views

Negative SMPTE timecode drop-frame handling?

How are negative timecodes handled with drop-frame: Is the frame before -00:00:59:29 labelled -00:00:01:02 (symmetric), or Is the frame after -00:01:00:01 labelled -00:00:59:28 (regular)? Thanks.