Questions tagged [timecodes]

A timecode is a way of displaying time-only information as an offset from a starting point. Often used on audio and video as the time from the start of the media. Commonly displayed in HH:MM:SS

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gst_video_time_code_is_valid assertion failure when adding timecode to stream

I'm trying to add a timecode to a GStreamer pipeline using a timecodestamper element: appsrc name=src emit-signals=True format=time ! video/x-raw,format=BGR,width=1920,height=1080,framerate=1/10 --> ! timecodestamper ! videoconvert !…
rgov
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How to find the starting timecode stamp of a BWF .wav file in python?

I'm trying to find the starting timecode stamp (in HR:MN:SS:FR format) of a broadcast wave chunk format. I believe I'm doing the right calculation, but my numbers are seconds off for some reason. I'm taking the "time_reference" of the bext chunk…
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SMPTE Time Synchronization

I am able to decode and find the SMPTE data, but do you synchronize at the start of the following sync code, or the end of the previous sync code? What part of the bitstream is transmitted at the time contained in the SMPTE code? I have searched the…
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Adding frame numbers to a video, along with total frame duration

I need to add frame numbers to videos along with total frame duration of the video. It should show the first frame and the last frame, along with the current frame. In this forum someone had posted a command, which gives the current frame…
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Subtracting timecode in Excel

I've got a big csv with head movement data that I need to combine with an audio recording. The timecode in the csv doesn't start at 0, so I need to subtract the starting time from all entries. The starting timecode looks like: 00:36:16:15.295 It's a…
June
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XSL Convert Scientific notation to number

I'm using XSL 2.0. I have the following $intTOTAL which I'm converting to milliseconds. But the output of this is in scentific notation. How do i convert this to a normal number without scientific notation
user726720
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Does ffmpeg allow for hr:min:sec:frame?

I am looking to concat a video and an image using ffmpeg and was wondering if when cutting the video I can cut it with a timecode that uses seconds:frames (00:00:23:4)instead of seconds.miliseconds (00:00:23.43) and then concat it with…
Jesse Hix
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Correct sleep function of libltc

I am playing around with libLTC to generate timecode. I have a rough working example below: #include #include #include int main() { initscr(); nodelay(stdscr, TRUE); LTCFrame frame; LTCFrameExt Frame; …
hdcdigi
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What kind of timecode is this? (possibly ble specific)

I am working on making a custom controller for an aquarium light. I was able to figure out how to adjust the light's internal clock, and I was able to capture some of the communication, and I found this timecode 545f0d31574d52565951607631 which…
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NPM library: Converting Milliseconds to Timecode help needed?

Can someone help with a quick script that will convert Milliseconds to Timecode (HH:MM:SS:Frame) with this NPM library? https://www.npmjs.com/package/ms-to-timecode I just need to pass a miliseconds number (ie 7036.112) to it and output the…
akak
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NodeJS - Converting MTC (Midi Timecode) "quater message" into a full timecode string

So here's my problem. I'm working on a script in NodeJS, that will take an MTC, or MIDI Timecode signal, and eventually, trigger different things off of certain points in said timecode. The issue I'm having currently is that the current Timecode…
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Add multiple timecodes to single audio file (.mkv ?) resulting from concatenating several (timecode-based) audio files

I first converted two .WAV files into .MKV files inserting timecode for each of this file. Then I concatenated these two .MKV files as inputs (each .MKV including one timecode inside). However timecodes were not maintained in the final output.MKV. I…
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How to add a Poster Frame to an MP4 video by timecode?

The mvhd atom or box of the original Quicktime MOV format supports a poster time variable for a timecode to use as a poster frame that can be used in preview scenarios as a thumbnail image or cover picture. As far as I can tell, the ISOBMFF-based…
Crissov
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Set up timecode in applescript

I use applescript to remote Aegisub to shift the Video subtitle timeline by time. Please see the picture. here is the "shift by" window. here is the code I use: tell application "Aegisub" activate delay 0.1 end tell tell application "System…
Cai Yu
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Input format smpte-timecode

Whats the best way to set the input format when using smpte-timecode? this.onChange(e)} type="time" …
Adam
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