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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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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1answer
640 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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1answer
12k views

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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1answer
213 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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1answer
62 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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2answers
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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 ...
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1answer
46 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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2answers
62 views

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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1answer
45 views

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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1answer
976 views

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
973 views

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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0answers
33 views

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
542 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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0answers
200 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 ...
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2answers
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Does transcoding always mean quality loss?

Can I transcode video from h.265 to h.264 without loosing quality? My instinct is that it should be fine, that with approximate quality settings the new files will be the same quality but larger file ...
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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
2k views

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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29 views

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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2answers
2k views

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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2answers
581 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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1answer
64 views

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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2answers
2k views

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
2k views

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
594 views

Tool for cutting video

I have an MP4 format video. I was wondering if there is a good tool to take a video, and create n number of new videos, by just setting a bunch of cut points. Obviously most video editors will be ...
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1answer
287 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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1answer
956 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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1answer
330 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
49 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
602 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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3answers
359 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
2k 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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2answers
95 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
2k views

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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1answer
977 views

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
529 views

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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1answer
863 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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1answer
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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2answers
4k views

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
1k 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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1answer
96 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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1answer
1k views

How to read 10-bit RGB values from HDR video?

I had a HDR video and the format is ProRes. The colour bit depth of ProRes is 10-bit. I would like to extract the 10-bit RGB values from the HDR video. As per this link, I have first converted the 10-...
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1answer
74 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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1answer
2k views

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
667 views

FFMPEG to convert img seq to DNxHD - BANDING

I am using FFMPEG in a VFX workflow to convert .png sequences to Avid friendly DNxHD. Today I ran into a situation where a video file I created had quite a bit of banding in Avid when it should not ...
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1answer
3k views

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
711 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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1answer
44 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?
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3answers
224 views

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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2answers
76 views

How to prepare AVCHD on a PC for Mac use later?

I recently began a job in IT and part of my role involves recording at some company events. However, it isn't my role to edit the videos themselves. These files need to be handed off to a Mac user who ...