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Questions tagged [timecode]

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15 views

Capture original timecode with ffmpeg from decklink

I am trying to capture tape content via a BlackMagic Decklink Quad 2, using ffmpeg. I believe the timecode is passed on through the Decklink because when capturing manually with MediaExpres the ...
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0answers
27 views

Extract timecode per frame

I have 2 video clips and their start time differs in a few seconds, as in the first camera started recording at 13:20:35, and the second camera started the recording at 13:21:00. These cameras have a ...
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0answers
19 views

Reading aux timecode with Premiere Pro

I have a video clip with an audio track that has a recording of SMPTE linear timecode. I would like to apply a real timecode to the video, derived from this audio track so that I can more easily sync ...
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1answer
24 views

Comparing FFProbe to WavAgentBeta

Wav Agent outputs the following when I drag the same file in, so the data has to be in the file somewhere, and I just don't know how to look for it. WavAgent: StartTC: 13:09:21:18 Now FFMpeg with the ...
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0answers
11 views

Adobe premiere Pro: timecode not synchronize

I trying to add a timecode to my video but the timer is not synchronise with the video time Settings: Any idea ?
0
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1answer
198 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 ’...
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1answer
195 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 ...
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1answer
760 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 "...
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0answers
160 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 ...
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1answer
132 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
83 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 ...
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1answer
150 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 ...
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1answer
967 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 -...
5
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1answer
628 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 ...
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1answer
333 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 ...
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4answers
101 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
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1answer
156 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 ...
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1answer
690 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 ...
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1answer
496 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?
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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 ...
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0answers
686 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?
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3answers
3k 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 original files have a timecode but that is not present in the ...
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2answers
891 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:...
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2answers
466 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
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3answers
112 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
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1answer
598 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
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1answer
793 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 ...
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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 ...
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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
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1answer
924 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, ...
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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 ...
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4answers
10k 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 ...
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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
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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
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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
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1answer
6k 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 ...
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1answer
2k 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
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1answer
165 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
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2answers
8k 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
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2answers
524 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 ...
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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 ...
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3answers
543 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
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4answers
20k 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 ...
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0answers
166 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
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1answer
272 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
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1answer
55 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
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2answers
390 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.