Category "ffmpeg"

How to Show result after uploaded file in PHP

I have a script that uploads the video to a server, everything is correct but there is a problem, after the upload of the video to the server is completed it sh

Very long ffmpeg command due to drawtext commands for every second

I have a video of about 20 minutes length and want to show every second a different text using the drawtext filter. I used a java software to compute a very lon

Problems building ffmpeg dlls on windows 32

I'm trying to build ffmpeg dll files for windows 32 with mingw32. at eatch try I manage to get some dll files but can't use theme because of a fiew dependancys

What kind of streaming protocol is the following technique of FFMPEG and HTML Video tag?

Many people were looking for live streaming solution on a web page. I want to share the following knowledge after doing so many researches and having spent so m

How to record depth stream from realsense L515

I have a depth camera (Intel Realsense L515) and I do like to record a video of the depth. I have seen this answer which is using FFMPEG, but I didn't know how

FFMpeg Add multiple Gifs/Watermarks to a video

I'm trying to add various Gifs/Watermarks to a video, but I'm having a problem getting it to work properly. We're assuming the video is 60 seconds long and I'm

FFMPEG killed - not much information for troubleshooting

can't find out what might be causing this killed. Any tips? or what kind of logs might help to troubleshoot? It just says 'KILLED'. This FFMPEG is installed in

Error submitting the frame for encoding when submitting NV12 texture

I'm trying to encode D3D11 NV12 Texture on QSV encoder but getting [h264_qsv @ 00000244ce6f50c0] Error submitting the frame for encoding. Main: int width = 1920

Write empty packets into avi file ffmpeg

A task: I have a trusted video event detector. I trust to my event detector for 100% and I want to write an uncompressed frame to my avi containter only if my e

How to convert animated webp to gif in android / java?

I want to convert the animated webp files to gif file and looking for solution since couple of days but did not get any easy straight solution yet. I tried ffmp

How do I use ffmpeg to concatenate 2 videos and add a period of silence + black screen between them?

There are several existing examples, but I'd like a single command that uses complex_filter to achieve the objective without doing extra things like generating

FFmpeg change video speed with -r vs -filter and setpts

If I want to change the video speed with ffmpeg, what exactly is the difference changing the fps: ffmpeg -y -r 10 -i video.mp4 video_new_fps.mp4 or using filter

Running subprocess.Popen in a compiled script has a significant delay

Edit: In this specific example, Python 3.8 is being used on Windows 10. I need to run FFprobe through subprocess.Popen so I can capture and parse the output. If

how do I save the videos in an specific bitrate using ffmpeg?

I am trying to save some videos in specific bitrate (8000k) and for this, I used the following code: ffmpeg -i input_1080p60 -c:v libx264 -pix_fmt yuv420p

ffmpeg - transcoding.c - why the last packet is discard

Using ffmpeg examples transcoding.c. (https://github.com/FFmpeg/FFmpeg/blob/release/4.1/doc/examples/transcoding.c) This is read by ffprobe.exe (ffprobe.exe -i

Is it possible to increase horizontal and vertical padding on ffmpeg burned subtitles - using .srt format?

Using command : ffmpeg -i source_video_path.mp4 -vf "subtitles=srt_source.srt:force_style='OutlineColour=&H80000000,BorderStyle=4,BackColour=&H80000000,

Flutter ffmpeg_kit_flutter: get FFmpegKit.executeAsync error

I have prepared a test program to run FFMPEG command and it successfully run -i "/data/user/0/com.example.test/cache/file_picker/test.mp4" -c:v mpeg4 "/data/use

ffmpeg exited with code 1: Error reinitializing filters! Failed to inject frame into filter network: Invalid argument

Using video show npm I am creating a video from multiple images. initially there was an issue but then I download and installed ffmpeg. Now another error occurs

How to catch a FFMPEG exception with subprocess?

I'm doing some work on subtitles and some videos have 1 subtitle track, others have 2 subtitle tracks. For those that have 2, I use the 2nd one (index = 1). I'm

How to create random pass names in ffmpeg?

Normally, when using ffmpeg, you define a name for the "pass" information to be stored in a file when enconding videos with 2 (or more) passes, e.g.: ffmpeg -i