Ffmpeg strftime milliseconds. Definition at line 93 of file segment.
Ffmpeg strftime milliseconds This section deals with accessing options in an AVOptions-enabled struct. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Afaict, there is no way to get the current time with a higher precision than seconds in POSIX on which FFmpeg depends. the problem i am facing is the video does not start from 01:54:34. 12. 287459 # the fractional part is what you want. 2016 09:38:42,76 to a Unix timestamp in milliseconds? According to the following post, we may use the following command for setting the file to Time Stamps in milliseconds: ffmpeg -vsync 0 -i video. The program’s operation then consists of input data chunks flowing from the sources down the pipes towards the sinks, while being transformed by the components they encounter along the way. Using ffmpeg, I would like to overlay the current local timestamp with milliseconds onto a video using ffmpeg in a YYYY-MM-DD HH:MM:SS. It looks like logging uses time. Edit. strftime() on the other hand has %f. You signed out in another tab or window. Unfortunately strftime cannot deal with And if it may be formatted as an ISO8601 date including a time zone offset and microseconds instead of milliseconds, then it's simply: print Time::Moment->now->to ffmpeg\bin\ffmpeg. gmtime() ) I'am working in windows 7 32bit and trying to stream file with ffmpeg, but the output file keep going on wrong location. UTF-8 date. xml -segment_time 5 -segment_format I am using below command to add timestamps to video: ffmpeg -y -i input. 09 A-V: -0. Default value is @code{0}. Commented Dec 26, 2023 at 5:44. mp4 The output file will be saved in /Users/{username} If I use absolute path: ffmpeg -i input -c:v copy -c:a copy c:/output. 82. flv" -ss 01:54:34. now() gives me current time including milliseconds like this: 2014-08-22 19:23:40. so I'd also need the milliseconds. The expression returned in your example (datetime. If I use this code: ffmpeg -i input -c:v copy -c:a copy output. 52. The datetime module provides a robust way to handle time-related data, including milliseconds. mp4 -hide_banner -loglevel 8 -stats 2. I get the start time and end time from it. The %d identifier is replaced by the sequential frame count. The ffmpeg strftime with milliseconds support. Previous message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision Next message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for ffmpeg strftime with milliseconds support. If you want to give it UTC, add 'Z' to the end; ffmpeg then accepts it as UTC and does not change it. int SegmentContext::use_strftime: flag to expand filename with strftime . What is the reason the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Draw a text string or text from a specified file on top of a video, using the libfreetype library. Allowed range is Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I try to run ffmpeg with segment filter and timestamp filename template: ffmpeg -f v4l2 -framerate 30 -video_size 960x720 -i /dev/video0 -f segment -segment_time 5 -reset_timestamps 1 -segment_ GitHub is where people build software. strftime() but it does not First, milliseconds to 9 digits wouldn't make any sense. mp4" -ss "00:00:22. +@item strftime_mkdir @var{1|0} +Used together with -strftime, it will create all subdirectories of the +expanded segment name. Visit Stack Exchange I have a big mp3 file, which I started recording at 17:24. I am using ffmpeg to copy a part of video. (so ffmpeg strftime with milliseconds support. Otherwise the -to value ends up being a duration instead of the end time from the original video. Using the timecode option, however, does not match the wall clock time. As far as I know ffmpeg's strftime template does not support creating files with millisecond resolution. I tried something like this: ffmpeg -y -f alsa -acodec pcm_s16le -ac 1 -i hw:0,0,0 Hi Stefano, I did look at the strftime function, but strftime does not provide milliseconds. strftime doesn't support microseconds (or milliseconds, so they use a weird hack to add those in with the default format). The broken-down time structure tm is defined in <time. Referenced by set_segment_filename(). Omitting the -c copy will make it slower and more accurate by re-encoding, but still faster than if the -ss and -to are specified after -i, since that case means to trim after having You can also get microsecond precision from the time module using its time() function. If you get the r (timecode_rate) parameter wrong, then your the time will not match your playback time. /ffmpeg -itsoffset 100 -i 3. See @dail45 answer to get the information about . – Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Recently bought an ip-cam which outputs a RTSP stream. h> int main() { SYSTEMTIME stime; //structure to store system time (in usual time format) FILETIME ltime; //structure to store local time (local time in 64 bits) FILETIME ftTimeStamp; char TimeStamp[256];//to store Python 2. Not sure from where you got the reference to use %f. In Easy word strftime() is used to convert a time to string. exe -y -i "concat:input. I’ve been playing around with live streaming from ffmpeg recently, and my latest adventure was to try adding a time stamp to the feed. de Tue Jan 18 14:52:45 EET 2022. Example. How can I use the " strftime " option, to have a complete timestamp display such as: Mon, Aug/1/2022 HH-MM-SS-mm-PM/AM. As proposed before, it is using Time::HiRes::time for microsecond support, and it's also using POSIX::strftime for easier formatting. 3 Detailed description. Such structs in FFmpeg are e. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. 1-1988) standard. %fto get as much precision as your system allows. 11 FFMPEG: embed current time in milliseconds into video. (add strftime to segment muxer) Signed-off-by: Pedro E. md The drawtext filter mentioned in @stib's answer is the key to insert the time. exe -y -loglevel 99 -i test. Follow asked Jan 18, 2023 at 13:27. nut -strftime 1 -hls_flags second_level_segment_index -hls_segment Toggle navigation Patchwork FFmpeg Patches Bundles About this project Login; Register; Mail settings; 32251 diff mbox series [FFmpeg-devel,v2] lavfi/drawtext: Add localtime_ms for millisecond precision. I'm trying to write a script to use FFMPEG to draw localized timestamps on a video, but I'm not having much luck. The segment muxer is meant for when the output needs to be split across, umm. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company My colleague needs me to drop the milliseconds from my python timestamp objects in order to comply with the old POSIX (IEEE Std 1003. in ubuntu 12. ffmpeg strftime with milliseconds support. I suggest to number the frames sequentially and maybe overlay the time on the video, or just below it. After much head scratching, we (thanks Dave!) came up with this: How do I convert a human-readable time such as 20. If you want the timestamps (that have a higher precision than seconds) in the output file name, this is a duplicate of ticket #1452. g, drawtext), you can use -vf instead of using --filter_complex. strftime option relies on system's implementation of a C function with the same name. Chain `drawtext` with ffmpeg-python. Putting the saved stream into segments means you can access the saved content without having to stop the FFmpeg process. localtime() ) and UTC: time. Then, you should use Time Functions to get time. ; Elapsed 3 seconds since But none of the above helped as it returns different errors because ffmpeg tries to either parse '%H' '%M' and '%S' as multiple, separate arguments for localtime (localtime then complains that it can only accept x1 argument at most), or ffmpeg complains that there are loose '%' characters near "H" clearly I'm not escaping it correctly or my My ffmpeg command is like this: ffmpeg -ar 44100 -ac 2 -f alsa -i plughw:1,0 -f v4l2 -codec:v h264 -framerate 30 \ -video_size 1920x1080 - The Text Expansion section explains how strftime is used so you can replace %T with any strftime format – Spencer Williams. Alternatives don’t seem to cut it: func_pts doesn’t > print date and does not take basetime into account, func_strftime > doesn’t take basetime into account, and uses current time rather than > PTS. And there's no way to customize this timestamp format. Reload to refresh your session. The default is 15000 (15s). int SegmentContext::increment_tc: flag to increment timecode if found . perf_counter() -> float. In both expressions, the optional ‘-’ indicates negative duration. If expansion is set to strftime, the filter recognizes strftime() sequences in the provided text and expands them accordingly. ffmpeg "enable" option with milliseconds. There's nothing you can do about it in ffmpeg itself. mp3 -map 0 -c copy -f segment -segment_time 120 -reset_timestamps 1 -strftime 1 ffmpeg strftime with milliseconds support. The "normal" expansion mode provides the gmtime and localtime functions which both interpret strftime() type expressions. uk: State: New: Headers: show [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision Thilo Borgmann thilo. To have 2 digits you can excute: ffprobe -i <file> -show_entries format=duration -v quiet -of csv="p=0" | rev | cut -c 5- | rev, due to the fact that real format of duration is h:mm:ss. You'll want to convert to seconds, and tell strftime() these are Unix epoch numbers: However, I only want the first 2 digits of the milliseconds to be shown, like this: 2020-12-03 02:13:27. nginx-rtmp-vod-ffmpeg Public Simple RTMP docker server that stream /dev/video0 InSoundz/nginx-rtmp-vod-ffmpeg’s past year of commit activity. To get strftime function use in the program you need to import the time or DateTime module in the program. To enable default font fallback and the font option you need to configure FFmpeg with --enable-libfontconfig. So you can't use %f on the datefmt. strip Python display milliseconds in formatted string using `time. strftime` 3. > > Yeah, we need gettimeofday for that. mod" -ss 00:00:00 -t 00:02:17 -an -vcodec libx264 -profile:v baseline -level 13 -b: The answer is that the deprecated strftime expansion option allows formatting, and accepts an undocumented basetime parameter (in units of microseconds since the UNIX epoch) to set the initial timecode. Next message (by thread): [FFmpeg-user] FFmpeg support for strftime with milliseconds support Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] On Sun, Apr 30, 2023 at 12:40 PM Dennis Mungai < dmngaie at gmail. The following is a quick and The strftime() function formats the broken-down time tm according to the format specification format and places the result in the character array s of size max. strftime, and time. What are the arguments for ffplay to output the duration/time-stamp of the current frame in millisecond resolution (dumping it to stderr or stdout, not embedding or overlaying it into the video)?. I searched Google for a solution, but couldn’t find a complete howto, so this is pieced together from information I found found all over the net. I'm trying to auto mark the output file with timestamps with ffmpeg. g mp3) using ffmpeg ?? I usually enable this option under ffdshow audio processor while playing audio using MPC-HC. time() returns the time in seconds since epoch. In another word, output filename is not processed by strftime(). The following examples are all valid time duration: This is the uncut FFmpeg output. 0 A question about ffmpeg drawtext, After 60 seconds, display 5 seconds interval 5 seconds ffmpeg strftime with milliseconds support. Return the value (in fractional seconds) of a performance counter, i. 073 -c copy copied. strftime has no way of printing milliseconds , datetime. 2 Text expansion. I would like to embed the computer's local time in milliseconds into a stream using FFMPEG. gmtime() holds the precision only upto seconds. In libavfilter, a filter can have multiple inputs and multiple outputs. The time should be able to display 12 hour format. To enable compilation of this filter, you need to configure FFmpeg with --enable-libfreetype and --enable-libharfbuzz. c. dath. ms. Unfortunately strftime cannot deal with And if it may be formatted as an ISO8601 date including a time zone offset and microseconds instead of milliseconds, then it's simply: print Time::Moment->now->to On Fri, Jul 04, 2014 at 10:39:24 -0600, Roger Pack wrote: > I saw that drawtext "strftime" was marked as deprecated, the question is, > in favor of what, now, to replace it? (Just got this question from a user). As part of the contract, I need to include a UTC date string in the below ISO format, within the XML body of the HTTP reque GitHub is where people build software. strftime rather than datetime. > only what i Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company If this is selected, the output segment name must contain a @code{strftime} function template. config. vg dath. nut -strftime 1 -hls_flags second_level_segment_index -hls_segment InSoundz/ffmpeg-strftime-milliseconds’s past year of commit activity. Previous message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision Next message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company ffprobe will return 6 digits for microseconds if -sexagesimal option is present. 340, it starts from 01:54:34. (time. 340 -to 02:01:13. How do I make FFMPEG use localized strftime with drawtext? ffmpeg strftime with milliseconds support. g. 004 fd= 6 aq= 31KB vq= 84KB sq= 0B f=0/0 Unless you tell it otherwise, strftime() thinks those numbers are Julian day values - very different from Unix epoch milliseconds. Using " %. Visit Stack Exchange Hi Stefano, I did look at the strftime function, but strftime does not provide milliseconds. However, the following command produces a 4 second video beginning with the string "Monday 28 November 2022 strftime is not a generic option for all muxers; it is specific to a few. I tried saving image from my webcam, since strftime in ffmpeg 4. vg. Modified 1 year, 11 months ago. In conjunction with stream copying (-c copy), ffmpeg will seek to the closest seek point before the position (e. According to the documentation:. 3. Also beware that the integer division CLOCKS_PER_SEC / 1000 might possibly be inexact which could affect the end result (though in my experience CLOCKS_PER_SEC has always been a multiple of 1000). Trying to split into 2 minute segments: ffmpeg -y -i test. perf_counter_ns(). mp3 -strftime 1 %Y. bash's "\\\\\:" for ffmpeg's \\\: for getting a single character : displayed. Python datetime. C 10 2 1 0 Updated May 28, 2017. how to eliminate milliseconds from timestamp display in the video-filter. References: rejected ffmpeg bug report; some more info, also here, as to why %z isn't available in Windows (in Python, but reasoning is the same) How do I make a delay of 20 milliseconds in the left channel of an audio file (e. Note the %f at the end. It is used to sync the captions with the downloadable videos, because they include a 15s intro. To represent milliseconds, you can utilize the timedelta class, which allows you to specify time differences in days, seconds, and microseconds. Modified 3 years, 4 months ago. If it gets to a certain point then I want to seek to a later point in the video. The datetime type has a microseconds attribute, and %f is defined as microseconds. In fact time. Viewed 955 times How do I make FFMPEG use localized strftime with drawtext? Hot Network Questions How to You signed in with another tab or window. This is very fast but may be inaccurate depending on the codec and codec settings used. There is the no directive mentioned in time. dictConfig() and a YAML file) FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. Additionally, I think your only problem here is the filename format string. mp4 -c copy output. If you only want to apply one or more filters to one video stream (e. 2. Find and fix vulnerabilities The format option may be needed for raw input files. borgmann at mail. Does anyone know how to implement seeking by seconds (or milliseconds) in FFmpeg. Check the documentation of the strftime() function for the syntax. ffmpeg -i in. By default, YYYY-MM-DD ffmpeg strftime with milliseconds support. Additionally, it looks like you can use the strftime() function to format the timespan calculation in order to render the time however makes you happy. datetime object and does not tell you anything about having or not having the information about milliseconds. Looking at the code, > expansion=strftime seems to do exactly what I want — but it is marked > as deprecated. Is there anything wrong with above commands or is there any alternative way to extract the video with GitHub is where people build software. At least not for the hms format. You switched accounts on another tab or window. I tried with this: ffmpeg -i <url> -y -c:v libx26 ffmpeg strftime with milliseconds support. The docs are a bit misleading as they only mention microseconds, Unfortunately, Python`s doesn't have a directive for milliseconds, just microseconds (see doc), but you can workaround it by appending three zeros at the end of the string and parsing the string as microseconds, FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. The system in question did not support the %N format option and doesn't have no Python or Perl interpreter. SS. md","path":"README. As stated in the docs: time. mp4. Generated on Wed Jun 10 2015 01:57:23 for FFmpeg by When using ffmpeg to output a series of frames as images, the only format I can find documentation for is frame_%d. Writing in Python, I tried both local: time. ffmpeg drawtext on video in start. ffmpeg strftime with milliseconds support. 123Z'and all hell breaks loose. This demuxer accepts the following option: start_time. Default is 250 milliseconds. You can use %Y-%m-%d_%H:%M:%S. Your feed is uncompressed FullHD frames. As a hack, in order to achieve this, you may explicitly format your string by preserving your milli second value as: ffmpeg strftime with milliseconds support. mkv -r 1000 -f image2 -frame_pts 1 %d. You'll want to convert to seconds, and tell strftime() these are Unix epoch numbers: As proposed before, it is using Time::HiRes::time for microsecond support, and it's also using POSIX::strftime for easier formatting. Shell I'm working on a project which involves integrating with a 3rd party API. > only what i I am trying to add text to video using ffmpeg and wants text to appear for a given period of time. Here's my test cmd:. a clock with the highest available resolution to measure a short duration. I am creating 10 second files by setting output_ts_offset to epoch realtime. I'd like to generate a live playout from ffmpeg that overlays time code but with a specific time zone (or simple hour-based offset) applied. 1 Examples. You probably want -ss and-to before -i, example: ffmpeg -ss aa:bb:cc -to xx:yy:zz -i input. mp4 -fps_mode passthrough -r 1000 -f image2 -frame_pts 1 keyframe-%09d. 6 added a new strftime/strptime macro %f. strptime formatting. The On Windows using Win32 API SYSTEMTIME structure will give you milliseconds. com > wrote: > > Hello there, > > As mentioned in the subject line: Does/can ffmpeg allow strftime in > milliseconds? How to use milliseconds in FFmpeg's drawText? Ask Question Asked 8 years, 2 months ago. (dot) you have the simple options from other answers combining %(asctime)s, and %(msecs)03d like so (using logging. An additional requirement is I need the time when the image is captured (it has to be precise up to around 10 milliseconds) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company ffmpeg strftime with milliseconds support. mmm timestamp with millisecond accuracy. Viewed 407 times How i can do that? It would be great if i could overlay multiple segments in one ffmpeg pass. Assuming I have a video whose duration is 150 seconds: Elapsed 1 second since the video started: the video displays 00:01 / 02:30. How do I drawtext video playtime (“elapsed time”) on a video, with FFmpeg's --filter_complex option?. mmm so that OP can use milliseconds if needed $ ffmpeg -i "wings. strftime does not use a width in it's format string S expresses the number of seconds, with the optional decimal part m. The basic functions for examining options are av_opt_next(), which iterates over all options defined for one object, and av_opt_find(), which searches for an option I need offset (some silence) in the start of file, so I tried: . Amount of milliseconds the signal has to fall below the threshold before the reduction is increased again. Like this: #include <windows. I'm using the segment option of FFmpeg to create 60 minute long recordings. I currently have a loop running through the frames of a video using av_read_frame() and I want to determine what time this frame should be at in seconds. datetime(2010, 1, 1, 10, 9, 1) is a general representation of the datetime. M. * -to: The position of where the command is going to cut to. I need to record from my 2 webcams and output each frame recorded into images. Filtering in FFmpeg is enabled through the libavfilter library. Hot Network Questions How can I cover fountain pen ink for wall paint? The other answers are fine, it is just that I guess that the question about one example case arose from a full column of a dataframe that needs to be converted to datetime. Just some Using AVOptions. I would say that using milliseconds as a timestamp is ok as long as you're sure it's POSIX time (i. so its shifting the start poistion. The strftime option allows you to expand the filename with date and time information. Its fractional part is the time in microseconds, which is what you want. Otherwise, the use of milliseconds for local timestamps is very unusual and you should use other numeric temporal formats instead. Definition at line 97 of file segment. Doing (1000 * clock()) / CLOCKS_PER_SEC is less susceptible to division inexactness, but on the other hand is more susceptible to overflow. 2f " didn't work, and perhaps there's another time function more suitable? What is the best way to do this without introducing (possibly laggy) regex POSIX time is defined as elapsed milliseconds since midnight 01-Jan-1970 UTC. How to add offset to audio file with ffmpeg? {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Makefile","path":"Makefile","contentType":"file"},{"name":"README. ttf:fontsize=36:fontcolor=yellow:text='%{pts\:gmtime\:1456007118}'" -preset ultrafast outp Skip to main content. This demuxer accepts the following option: start_time Set the start time of the TED talk, in milliseconds. If it's after the input it will split from that exact position. ogg, however only got %Y. ) >>> from time import time >>> time() 1310554308. strftime( fmt_string, time. Brito <pedroembrito@gmail. 000" -frames:v 1 -f "image2" "/wings. . Following is the FFprobe command I used to get the duration of the output video. The tortured route that accomplishes this task Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company On 4/26/2017 4:27 AM, mfojtak wrote: > ---> libavformat/dashenc. As ack-inc indicated, it makes a difference whether -ss is placed before (input option) or behind (output option) the -i. Add a comment | Your Answer Toggle navigation Patchwork FFmpeg Patches Bundles About this project Login; Register; Mail settings; 28260 diff mbox series [FFmpeg-devel] Add -strftime_mkdir to image2 and segment outputs (based on HLS). 630000 How do I convert the above datetime object to a string that includes the milliseconds? I looked into time. ffprobe -i <extracted_video> -show_entries format=duration -v quiet -of csv="p=0" I was referring to seeking document for FFmpeg. See also ctime(3). c b Can ffmpeg support creating DASH availability Start Time with milliseconds You re trying to create a DASH Dynamic Adaptive Streaming over HTTP manifest using ff ffmpeg -i input. Working with Milliseconds. char* SegmentContext::times_str: segment times specification string . Set the start time of the TED talk, in milliseconds. Other options exist, for instance the text='%{prt}' option allows you to display the elapsed time with microsecond My string that I put together for FFMPEG to export each frame using milliseconds is: ffmpeg -copyts -i myvideo. So, hour have only one digit for hours, not two. hms stands for a formatted [-]HH:MM:SS. ffmpeg video editing command in milliseconds timestamp. 1. Generated on Tue Feb 28 2023 21:34:44 for FFmpeg by This demuxer accepts the following option: start_time Set the start time of the TED talk, in milliseconds. segments. mp3 But it doesn't work. Improve this question. jpg. Right now playing a video (and pausing it) will look like this: ~$ ffplay -i video. html from the FFmpeg source tree contains a bookmarklet to expose them. 10. GitHub is where people build software. POSIX time is defined as elapsed milliseconds since midnight 01-Jan-1970 UTC. c | 2 +-> 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavformat/dashenc. Each recording should have a different filename. Check the documentation of strftime(). I'm connecting to an IP camera and I would like to create a new recording every 60 seconds. Is it possible to do the same in howlerjs (a Toggle navigation Patchwork FFmpeg Patches Bundles About this project Login; Register; Mail settings; 28260 diff mbox series [FFmpeg-devel] Add -strftime_mkdir to image2 and segment outputs (based on HLS). I've been through a truckload of various gmtime/strftime() attempts, and I'm stymied in part because it appears that only flt provides the fractional seconds part that I want, ffmpeg appears to keep this down to millisecond accuracy, so by manipulating this we can get the output we want. strftime() that will return you the milliseconds. de: State: New: Headers: show Afaict, there is no way to get the current time with a higher precision than seconds in POSIX on which FFmpeg depends. Previous message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision Next message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for Python strftime function return string format of given date and time object according to the specified format. Second, you don't have milliseconds, you have microseconds. See "strftime()" documentation. Stack Exchange Network. Find and fix vulnerabilities The problem is occasionally some aspect of the application will return a time string with milliseconds attached. I can embed the local time in seconds using drawtext like so: ffmpeg -i <input> -vf "drawtext=tex ffmpeg strftime with milliseconds support. ffmpeg -i "main. 04 typed the excute like this. 0 FFMPEG: Add FrameRate Option Seconds Stream. Ask Question Asked 1 year, 11 months ago. If you only need to change the , (comma) to a . Definition at line 95 of file segment. datetime. So: %{eif:trunc(t): ffmpeg strftime with milliseconds support. i. org. mp4 -map 0 -c:v libx264 -b:v 1M -c:a aac -b:a 128k -f dash -map 0 -c:v copy -map 0 -c:a copy -f segment -segment_list segments. ffmpeg- drawtext above specified coordinates. /** * FFMPEG Cmd Structure * -i: Input file * -ss: If this is placed before the input file it seeks to this position in the input file. I am using the strftime template to create file names with timestamps. ffmpeg; video; Share. com> Signed-off-by: Michael Niedermayer <michaelni@gmx. com > wrote: > > Hello there, > > As mentioned in the subject line: Does/can ffmpeg allow strftime in > milliseconds? How to use milliseconds in FFmpeg's drawText? 0 Print time to end (decremental) in drawtext in ffmpeg. e. The file tools/bookmarklets. \ffmpeg. And of course "micro" means "millionths", as in 6 digits. UTF-8 installed on my system by running the following command: LC_ALL=fr_FR. I'm using powershell so there should be no relation with cmd's %% escaping. 7, the best answer is to use time. I have found success in generating time code overlays with both gmtime and localtime filters, however, I have not been able to crack the context necessary for offsetting that time by n number of hours. Contribute to InSoundz/ffmpeg-strftime-milliseconds development by creating an account on GitHub. What i need is the exact time (to the millisecond) of the first frame of the file. I am trying to use DrawText filter but don't know how to provide time period for this filter. The same documentation: If the format is set to localtime or gmtime, a third argument may be supplied: a strftime() format string. ex: i use this command for demo and i made several other command The other answers are probably sufficient in most cases but I thought I'd add my two cents as I ran into a problem on a BusyBox system. I need millisecond resolution since I could use that information for synchronization purposes. Message ID: 20210613062907. datetime. increment_tc. ogg I expected a file named 2020. I want FFmpeg to write the files to a directory based on Year/Mo How to use milliseconds in FFmpeg's drawText? 0. Share Improve this answer Being able to input the current time or day into a filename would be useful when using ffmpeg to record constant security video streams that need to be converted into segments for watchability. The optional literal suffixes ‘s’, ‘ms’ or ‘us’ indicate to interpret the value as seconds, milliseconds or microseconds, respectively. strftime(3) - Linux man page. com> het volgende geschreven: > > On date Friday 2015-01-30 11:01:16 +0100, Matthijs Tempels encoded: >> Hi Stefano, >> >> I did look at the strftime function, but strftime does not provide milliseconds. 2015, om 12:59 heeft Stefano Sabatini <stefasab at gmail. png When it finishes, I have to use Bulk File Rename to insert the decimal points which is a secondary issue but the question at hand is, how do I get it to roll flag to expand filename with strftime . I am using mpv to view the video. mp4 or The string %f you are using is returning microseconds, not milliseconds. ffmpeg -i /dev/video0 Host and manage packages Security. AVCodecContext in libavcodec or AVFormatContext in libavformat. 2 does not provide microseconds, to avoid overwriting the image in the same seconds, I plan to use both strftime and sequence number. Python strftime function return string format of given date and time object according to the specified format. Print time to end (decremental) in drawtext in ffmpeg. I am using ffmpeg to record a camera stream using rtsp protocol. Definition at line 93 of file segment. The latter is reserved for applying filters on multiple streams. This Stack Exchange Network. Question. in UTC). time_string = '1582-10-04T12:34:56. The "milli" means "thousandths", as in 3 digits. [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision Thilo Borgmann thilo. ffmpeg interprets the input as local time, then converts it to and stores it as UTC. TED does not provide links to the captions, but they can be guessed from the page. in this case we want to expand a strftime() sequence (see Host and manage packages Security. de Mon Jan 31 12:13:15 EET 2022. 17. Camera stream is being consumed via rtsp-simple-server. However, you can work around this by using the segment muxer. ogg. 4. Hi, All! ffMpeg -timstamp option works likes upper image? 07:21:54 07/07/05 white text in black box container. 2. jpg-vsync 0 - Each frame is passed with its timestamp from the demuxer to the muxer. 608. ; Elapsed 2 seconds since the video started: the video displays 00:02 / 02:30. More than 94 million people use GitHub to discover, fork, and contribute to over 330 million projects. Note that. 0. uk: State: New: Headers: show Unless you tell it otherwise, strftime() thinks those numbers are Julian day values - very different from Unix epoch milliseconds. My example stands for any video duration and returns 2 digits for In versions of Python after 3. I can confirm I have the locale fr_FR. I've seen a similar ffmpeg uses strfmttime() to create these filenames. mp3 offset_test. ffmpeg builds a transcoding pipeline out of the components listed below. the closest keyframe), if used as an input option. Examining AVOptions. time. Okay, I've found the solution in the FFmpeg filter documentation. This is how to save a video stream in 60 second intervals with the current date and time as the filename using FFmpeg. * -c copy: This copies the video and audio codecs as they are for speed. h>. at> Note [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision Thilo Borgmann thilo. Message ID: 280498BE-226E-41E2-BE17-DE2D47EAFFC0@mail. Hi, Just missed you on IRC :-/ > Op 30 jan. Previous message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision Next message (by thread): [FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for On Fri, Jul 04, 2014 at 10:39:24 -0600, Roger Pack wrote: > I saw that drawtext "strftime" was marked as deprecated, the question is, > in favor of what, now, to replace it? (Just got this question from a user). mmm format. mp4 -vf "drawtext=fontfile=roboto. (so the date from the strftime might even be a few ms of, but we could compensate for that) a seconds-resolution is just not acurate enough. 709-1-opensource@rjh. Python strptime with variable text. In Python, working with milliseconds in datetime can be crucial for applications requiring high precision. For the log output, you can call av_log_set_callback () to provide a custom callback which includes a more verbose date/time that includes millisecond resolution. png" Would it be easier if you use Hi, I am performing audio recording using the file segment option. hcnebehyqtqvdkhiotzjjktdsbmuxxycnfnylvwicpmevrltfmpxxttfktm