The tag has no usage guidance.

learn more… | top users | synonyms

1
vote
1answer
36 views

Unable to hardcode subtitles in FFmpeg on Mac to mov

I would like to hardcode subtitles using FFmpeg, I'm trying to do this using the following command: ffmpeg -i grdedFinal.mov -vf subtitles=portSbs.srt gradedFinalwithSubs.mov which returns the ...
0
votes
1answer
29 views

How to set double fps for tbc option of video

I need to set tbc option for output video. For example, input video has 25 fps with 50 tbc and my encoded video has 25fps with 25 tbc. I used settb and video_track_timescale but these options did not ...
4
votes
0answers
153 views

Video transitions and filters - how to create custom ones?

I am wondering if there is a possibility to do custom video transitions or filters. Like the video spiraling out, little squares appearing, circling out or something like that. Wiping the video out ...
2
votes
0answers
127 views

segment does not contain sync frame

Whenever I split a video using Apple's mediafilesegmenter, using the following command: medifilesegmenter video.ts -t 10. I get the following error for each segment except the first: segment does not ...
1
vote
0answers
802 views

High bitrate in AVCONV converted MPG file causes DVD reading problem

I convert AVI to MPEG with folowing command: avconv -i file.avi -c:v mpeg2video -b:v 6000k -c:a mp2 -b:a 384k file.mpg When the MPG file has been burned to DVD it is hard to read afterthat. The DVD ...
1
vote
0answers
446 views

ffmpeg - convert video to iDevice format, replace sound with normalized WAV file, while maintaining the original video quality?

I'm using this command line to extract the audio $ffmpeg -i video.mkv -c:a pcm_s16le audio.wav this is its output ffmpeg version 1.0 Copyright (c) 2000-2012 the FFmpeg developers built on Oct 1 ...
0
votes
0answers
27 views

How to convert video file into jpeg file with movement info

I would like to record my computer screen for 1 day (e.g.) and afterwards I would like to know on what part of the screen the most movement was in a sort of density scale (red for highest changes, ...
0
votes
0answers
51 views

what graphics card features effect NVIDIA NVENC hardware encoding speed?

I have a web project I am working on that requires transcoding of multiple short video clips (6-10 seconds) uploaded by users into a web friendly H.264 format on my linux server. I have been able to ...
0
votes
0answers
56 views

ffmpeg based JAVE video conversion taking a long time

I am using ffmpeg to convert videos to mp4 format in my application I have used JAVE and Xuggler for the same. My issue is that, video conversions are taking way too much of time. For example, a 50MB ...
0
votes
0answers
278 views

Need to convert an MP4 to an SCR

I need to convert an MP4 video (or any file format that I can export in Adobe Media Encoder, really) to an SCR file for a Windows screensaver. I'd really prefer not to convert it to MP4, then to FLV, ...
0
votes
0answers
26 views

Equivalent settings when using h264 to default vp8 settings in avconv?

When doing avconv -i input output.webm I get a very good vp8 compression with acceptable quality. Hoever avconv -i input output.mp4 produces a magnitudes larger file with h264 codec. Since ...
0
votes
0answers
53 views

How to convert a mkv file to mp4 file and let it use AAC for audio using mkvtools?

I'm on Mac OS X and have used MKVTools for converting videos. But particularly, how to convert a mkv file to mp4 file and let it use AAC for audio using mkvtools?
0
votes
0answers
136 views

Burn .mkv to a .dvd for playback on DVD player while retaining multiple tracks?

If I use a program like ASVtoDVD or ConvertXToDVD to convert a .mkv to a .dvd, and the .mkv has multiple audio tracks/subtitle, will the produced .dvd only have one of those, or will it retain more or ...