Questions tagged [conversion]

Conversion is the process of changing one format is to another. Usually this means a software conversion like from MOV to MP4, but can also be a hardware conversion like from HDMI to composite with separated chroma and luminance by cable.

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Converting a Video from 1600*1200 to 1920*1080

How can I convert a video from 1600*1200 to 1920*1080 ? I know that the aspect will be not correct, but I just like to do. With Handbrake I can't do it, because it will not allow me to go beyond the ...
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3answers
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Converting a Video from 1600 * 1200 to 1200 * 900

I have a video in the format of 1600 * 1200. I want to convert this video into 1200 * 900. I have done this with handbrake, but the first 10 seconds of the video is black and scrambled. Is there a ...
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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 ...
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ffmpeg Color conversion - 709 to 601

I am downscaling an HD movie from 1920x1080 to 720x576 and want to make sure the color conversion is done correctly, which with my current settings I am sure it is not. I am coming from an HD Prores ...
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Improving frame/image quality on Handbrake?

I created a .cdr file from a DVD and converted it to an .mp4 with Handbrake. My only issue is Handbrake's default settings create a somewhat grainy picture. The file size went from 1.24Gb to ~100Mb so ...
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670 views

Can video frame size be increased?

I have two videos that need to fit these specs: "The minimum frame size is 1280w X 720h pixels (either progressive or interlaced is acceptable)." Video A is: 480 × 640 [.mov] & Video B is: ...
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My converted videos look bad... what am I doing wrong?

I am a software developer. I understand the video concepts, but I am no expert. I have a Sony Action Cam AS-15. It records ate 1080/60fps/25Kbitrate. The 60FPS videos just dont; play smooth maxemised ...
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220 views

How to convert large iMovie-imported videos preservig aspect ratio?

I have a camcorder that does 1024x576 videos imported from a camera on a MacBook, using iMovie. But, those videos are H.264 encoded (I think), and that's not convenient for sharing where most of my ...
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66 views

Is there a Video converter, that can convert like the reference file?

I have a video file, with this details: I have another video (in .avi format) and want to convert to exactly like this format... Is there any Video Converter, that can convert to the file, exactly ...
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50 views

iPhone Background Video

I am developing an iPhone app that has a background video at the login screen. Everything works, but the video is small because the iphone crops it down. I guess my question is. Is it possible to ...
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Software that exports into multiple formats and sizes?

Sorry if this is a bit of a vague question. But does anyone know a piece of software that will take one or preferably multiple videos and turn them into multiple formats and quality? So video.mp4 ...
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Audio extraction from video issue

I've extract audio from a mov file. The output (m4a) has the same length of the video, but it starts first. Starting first, audio has a silent space at the end. I tried many different audio/video ...
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Convert VfW-codec based video to "normal" (Windows)

my CCTV software (GeoVision) supplies me with AVI videos with the FourCC "GMP4" codec ("Geovision MP4"). The codec is supplied as a Video for Windows 32-bit driver only, so I had to set up a virtual ...
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3answers
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merge and convert swf

I'm having major issues combining/merging(lossless) swf video files into a single file then converting to something more useful(mp4). I've tried using premiere but no audio as it doesn't import the ...
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How can I merge five mkv files I've created in OBS Studio?

I used OBS Studio to create five recordings. Now I need to submit them as just one file on YouTube, so my five .mkv files has to be merged into just one file. Can it be done in OBS Studio, if so ...
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what encoder can take advantage of 16-core setup? converting/ripping Blu-ray to mp4 format

I'm thinking of upgrading my 6-core setup (single CPU) setup to a 2x8-core/CPU setup. I'm wondering what software will allow me to fully utilize all the cores. I've been using handbrake but I do not ...
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2answers
581 views

Converting iCop Encrypted DAV to AVI or MP4

I work for a newspaper. Late last year there was a car chase leading to the death of a couple of people. We've recently ... persuaded ... the police involved to release the dash cam footage. ...
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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 ...
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Easily convert & archive a bunch of low res Video CD DAT files MPEG 1/2 to newer better format such as MKV or others?

Each file is around 350-650 MB. This is the media information from the Files: https://i.imgur.com/FqchDMi.png How could I better archive it? Easily convert & archive a bunch of low res ...
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1answer
4k views

Loss of quality while adding subtitle via FFmpeg

After solving on problem I cam coming to a next one. After adding subtitles, discussed here, with the command: ffmpeg -i grdedFinal.mov -vf subtitles=portSbs.srt gradedFinalwithSubs.mov the quality ...
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3answers
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Good free m2ts to mp4 converter?

I'd like to convert some AVCHD footage (.m2ts) to mp4 files. Can anybody here recommend a good converter (preferably free) that'll do a good job?
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Batch converting files to monochrome

I am looking for a free software that lets me convert a batch of video files to monochrome. The closest I've found so far is Any Video Converter free but this does neither allow for easy application ...
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Graphics Cards that have SDI outs

I am looking for a medium to high end graphics card that has SDI outputs. I have a home studio with a SDI matrix switch and I want to hook my Gaming Computer into this rig. I am planning on doing some ...
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590 views

What is/are the best free tool/tools for editing my videos?

I need to complete 4 specific tasks on my videos. Stabilize. Crop to Anamorphic Convert resolution up or down to 720p Convert to mp4 (H.264) Can someone point my in the right direction to the best ...
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Video conversion

I'd like to convert quite a few BDMV files to MKV files. I know you can do this with MakeMKV, which isn't freeware. Are there any good freeware programs out there to accomplish this? Also, is the ...
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Audio issue on concatenation of TS segments

I have downloaded segmented ts files, which i concatenate into mp4 file. The problem is that audio a bit faster than video progress. The problem is appeared when i re-convert concatenated mp4 file. ...
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1answer
337 views

Video format can't be played or converted

My customer gave me a series of videos, recorded from CC Cam. The extension is .dad. I couldn't play them on any player. (Obviously changed the extension for testing) and I wasn't able to convert them ...
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965 views

How can I convert large jpgs (15000 x 10840px) to video?

Whenever I try the command ffmpeg -y -r 1 -i File01.jpg -c:v libx264 -tune stillimage -pix_fmt yuv420p out.mp4 I get the failing result: [swcaler @ 000000000347fe0] deprecated pixel format used, ...
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341 views

Does RCA or "interface connector" (VGA?) offer better video quality?

I'm trying to archive a laser disc as a digital file. My laser disc player (a Pioneer) has 2 video output options: RCA and a 15-pin port labelled "interface connector". The 15 pins are arranged in 2 ...
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1answer
50 views

Can I get smoother playback by converting a video to a non-interpolation codec?

Although I've read the about page, I'm not sure whether this question fits here. If it doesn't, please refer me to a better StackExchange website. I'm using a 5 year old laptop. Sometimes, when I ...
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2answers
612 views

Converting videos taken by D5100 for a Youtube upload

What is the best way to compress a video shot by my Nikon D5100 so it can be easily uploaded to Youtube? I have a video of around 600MB, I tried converting using Xilisoft video converter but without ...
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213 views

How to convert video for viewing on Sony Ericsson C702?

I'd like to convert some of my videos for viewing them on Sony Ericsson C702 cell phone. But I couldn't find the right set of parameters (a/v codecs, container, etc.). I'd prefer a solution using ...
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32 views

FFmpeg seems to write bad .w64 files for pcm_f32le streams

I have a problem with FFmpeg when writing a pcm_f32le stream to a Wave64 file format (.w64). Basically, only FFplay can read the file back correctly. I tried with VLC, but it seems it cannot read any ....
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3answers
724 views

Extract audio from video preserving audio quality

I need to extract sound from videos. There must be know loss of quality (since the sound files will be used in speech-to-text services). So I want to extract the audio from the video exactly as it is ...
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1answer
3k views

How to convert MPEG-4 to AVC/h.264?

I would like to use ffmpeg, mencoder or still something free. I cannot concatenate two videos because of different video codecs: $ mkvmerge -o merged.mkv 1.mkv \+ 2.mp4 mkvmerge v19.0.0 ('Brave ...
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132 views

Converting a PDF slide show to a video file

I have a LaTeX Beamer presentation that I output into a PDF slide show. I want to turn into a video file (with the ability to add sound later) so that I can generate animations from Beamer . How can ...
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1answer
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Transcode 5.1 audio in ffmpeg leads to incorrect audio mapping in output

I need to transcode some high res videos (prores or dnxhd files with 5.1 uncompressed 48kHz audio in MOV container) to their low res h264 with AAC keeping the audio still in 5.1 preserving their ...
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Batch encode to X265 on the Mac

I need to encode thousands of MP4 H264 (mostly) files in a folder hierarchy to H265. Unfortunately Handbrake that I'd normally use have dismal support for batch processing of hierarchies. The ...
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1answer
929 views

avconv: What are the mpegvideo private options?

I'm using avconv on LinuxMint 17.3 to convert video. The avconv man page states for multiple options, that they are "Deprecated, use mpegvideo private options instead" Can someone tell me what these ...
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2k views

How to get a higher FPS without changing speed video through Adobe After Effects or Premiere Pro CC2014 letting the software create the missing images

I have a video that has been recorded at 7 FPS. I noticed that in the Windows properties of the video file, it is tagged as 25 FPS, and I see that the recorder has inserted each second fake frames (...
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Ripped DVD Video Playback Stutters, original DVD does not

I have a DVD of home video made from a VHS that I'm trying to rip so I can post it to YouTube. I've ripped a couple of videos using both Mac DVDRipper Pro and Handbrake to compare the output after I ...
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1answer
2k views

Native SDI-output vs HDMI-SDI adapter for live stream

I currently run live streams of amateur sporting events, mainly inside. Currently I am using several Panasonic HS-900ks connected to a PC desktop via RCA cables and several Easycap DC60+s (USB 2.0). ...
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2answers
357 views

Why aren't chapters being added to my m2ts using tsmuxer?

Question - Why aren't chapters being added to my m2ts using tsmuxer? Background I have a mkv file with 61 chapters. I confirmed the presence of those chapters by using mkvtoolnix. I want to convert ...
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140 views

FFMPEG transcription from .webm to HNxHD

I'm a n00bie with video production. I installed ffmpeg. It's recognized. So I tried my first conversion. ffmpeg -i earth.webm earth.DNxHD and, then, after searching: ffmpeg -i earth.webm -f DNxHD ...
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80 views

Resize, crop, and trim videos

How do I crop and resize about 6000 mp4-movies? They are all 1280 x 800. I need to crop the bottom 100 px and remove the first 4 seconds of each movie. Can this be done with ffmpeg?
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Convert video from 24 fps to 25, shortening length (no frame duplication), keeping audio pitch

I have a .mov video with 24fps and 5.1 audio. Is it possible change the framerate from 24 to 25 fps with no frame resampling (no frame duplication / removal - just new framerate interpretation) and ...
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1answer
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How do I convert anamorphic hdv video to normal h.264 video with ffmpeg? How to ensure square pixels in output?

I have the following code to convert HDV video to a web ready mp4: ffmpeg -i hdv-input.m2t -crf 28 -c:a aac -b:a 80k -ac 1 -strict -2 -movflags +faststart h-264-out.mp4 The problem is that there is ...
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2answers
975 views

Open Broadcaster MOV to MP4 conversion

I just used OBS to record an MOV file (4k screen recording). Now I'm having trouble opening it in Premiere. When I import it into Premiere, I get only the audio (no video). File opens fine in VLC, but ...
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1answer
1k views

Why does ffmpeg report wrong or missing size information when demuxing some EXRs?

I am converting EXR image sequences to mp4. Some sequences are converted without error, but others report "wrong or missing size information" and generate . It is difficult to identify what is ...
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52 views

How can I squeeze video of certain length into smaller length

For example how to turn 1:03 video into 1:00 without cutting anything. Can I do it on any mobile video editor?