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Questions tagged [video-conversion]

The video-conversion tag covers software & formats related to converting videos from one format or container to the other.

0
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1answer
15 views

HLS vs HTTP format codes in youtube-dl

I am using youtube-dl on windows 10 64 bit. I am new to this program. I checked the available formats for a video from dailymotion like this: youtube-dl -F "http://www.dailymotion.com/video/". In the ...
2
votes
1answer
14 views

Getting an “ignoring title (too short)” error when using Handbrake to convert multiple files

I am trying to use Handbrake to convert multiple videos files to mp4. I have turned on "Automatic File Naming", set the default path and changed thhe file format to {source}. Adding an entire folder ...
0
votes
1answer
56 views

Why is FFmpeg video splitting of 595-600 seconds slow compared to 0-5 seconds? [duplicate]

I have to split a 4K 10 minutes video into 120 small video files, each containing 5 seconds of duration. I'm using ffmpeg for splitting the video. The splitting take a very very long time and the ...
1
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0answers
40 views

Converting bgra stream to mp4

I am trying to record video of iOS simulator using the following command; ./fbsimctl stream --bgra --fps 12 - | ffmpeg -f rawvideo -pix_fmt bgra -s 414x736 -framerate 12 -i - -f h264 -r 12 - | ...
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0answers
32 views

FFMPEG - convert WMV to MP4 Fails

I tried some other recommended conversion commands but none of them worked. Here's the basic command: ffmpeg -i wmvfile.wmv somefile6.mp4 Output: ffmpeg version N-91548-g481741ece0 Copyright (c) ...
0
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1answer
14 views

How to open and edit .wlmp video

I have made a video using Window Movie Maker. I have formatted my computer and lost the program installation files. Now I found that Microsoft stopped supporting movie maker and it is no longer ...
0
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0answers
15 views

VLC record button saves in ASF! How to get back to MP4?

VLC record button saves in ASF! How to get back to MP4? Using v. 3.x latest offering. ASF is horrible :/
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0answers
28 views

Convert video file using format from another file

To eliminate XY problem, here is what's my situation. I have source YouTube videos in MP4 container. I create voiceovers for them using Sony Vegas on Windows machine and then export them as WAV file, ...
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0answers
71 views

Is it possible to pipe and filter the HandbrakeCli output or silence it in Windows

I have a video archive of personal memories organized into lots of folders. The video files have multiple filetypes and the quality to size ratio is terrible (some are even 20mb/s for a 720p video. I ...
0
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0answers
53 views

height not divisible by 2 (176x99)

I am trying to convert a .avi file into a .mp4 one using FFMPEG using the libx264 codec. This is the command I am running: ffmpeg -i filename.avi -c:v libx264 -crf 19 -strict experimental ...
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0answers
40 views

ffmpeg create gif for multiple videos in a folder

I have hundreds of videos in a folder /home/videos/ and I would like to create a gif for each video. The gif should be comprised of 10 different screenshots across the videos length. So for example ...
2
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1answer
50 views

How can I convert an mp4 file to a m2v file using FFMPEG that is compatible with Windows Media Player?

I tried doing this but Windows says the file isn't playable. Playing it in VLC does work. ffmpeg -i in.mp4 -f mpeg -vcodec mpeg2video out.m2v
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1answer
97 views

Is ffmpeg's ssim not doing what it should be doing?

Just out of curiosity, I checked two versions of a video file that were NOT re-encoded, just re-muxed. I was expecting ssim scores to be 1.0. Instead, I'm seeing scores of <1.0. How to repeat: ...
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2answers
32 views

Explicit timebase with ffmpeg and variable framerates in mp4s

I need to concatenate a number of video files with different framerates to play them with OMXPlayer on a Raspberry PI (the concatenation is also done on the PI). Both the originals and the ...
0
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1answer
59 views

FFmpeg ProRes interlacing artifacts horrible compared to Apple Compressor export

I've been importing my family videos recently. I'd like to archive these videos using ProRes 422. Compressor works. The videos pop out with hardly ANY visual difference. FFmpeg, however produces ...
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0answers
32 views

FFMPEG outputting a timelapse video without any frames

I'm new to FFMPEG but have created three timelapses on it (I forgot the commands I used to make them though). I have ~400 images with consecutive numbering from IMG_1744_EDITED.JPG. I edited the RAW ...
2
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1answer
123 views

FFMpeg Video Overlay with Delayed Audio and Video in Background Video

I am attempting to create the appearance of a picture in a picture video using multiple video files. I've created a .mp4 file using FFMpeg. The video displays correctly in Windows "Movies & TV" ...
2
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0answers
23 views

Is there a way to programatically read the contents of a subtitle text stream embedded in an mkv file without extracting the track altogether?

Extracting a subtitle track from an mkv would take a bit of a long time, well over a few minutes in the case of huge video filesizes (>10GB), and i think analyzing the text contents of a subtitle ...
0
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0answers
31 views

Media Player Classic (MPC-BE) showing reds different in transcoded video

With Media Player Classic (MPC-BE) I'm getting reds rendered differently after transcoding a video. These crops show the first frame using. If you look closely the last picture is more orange-y ...
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0answers
61 views

What is the difference between these video codecs?

I'm familiar with general digital video formats, but I'm trying to record my first Patreon videos - which are long (59min) and I'm finding myself completely baffled by format filesizes. I could really ...
0
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2answers
124 views

Why do MPG files take up so much space? Is it an outdated format?

I tried googling this but I didn't actually find any conclusive evidence to sustain this so I'm going to present my case. A couple of years ago I took the time to convert all our family video tapes ...
0
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2answers
26 views

ffmpeg used to extract audio track, video track and then merge them, produces smaller mp4

Here is what I did with "original.mp4" (00:15:22 duration, ~80MB filesize): Extracted video stream from mp4 ffmpeg -i original.mp4 -c copy -an vid_only.mp4 Extracted audio stream from mp4 ffmpeg -i ...
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0answers
23 views

Can ffmpeg be used to reduce encoded file size back to original after OBS+VLC workflow?

Wondering if ffmpeg could help me reduce the size of the resulting file called "OBS_VLC_replay.mp4" which is produced as a result of using VLC to playback a video at x1.3 speed (with audio pitch ...
1
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1answer
143 views

How to efficiently create a best-palette gif from a video portion straight from the web

I've been using for some time this couple of commands to convert a video segment to an animated gif, having ffmpeg calculate the best palette for it: ffmpeg -ss $START -i $IN_FILE -t $LENGTH -vf "fps=...
0
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1answer
37 views

How can I add watermark and set the output bitrate and video size, also doing bulk using ffmpeg?

I was able to add watermark to multiple video using for %%a in ("*.ts") do ffmpeg -i "%%a" -i logoCopy.png -filter_complex "overlay=main_w-overlay_w-40:40" "Logo\%%~na.mp4" And now I'm trying to ...
1
vote
1answer
49 views

How can I remove the first 30 second of 40 min video and add watermark also doing bulk using ffmpeg?

I was able to add watermark to multiple video using for %%a in ("*.ts") do ffmpeg -i "%%a" -i logoCopy.png -filter_complex "overlay=main_w-overlay_w-40:40" "Logo\%%~na.mp4" And now I'm trying to ...
1
vote
1answer
379 views

FFMpeg Error While Decoding Stream Cannot Allocate Memory

I am attempting to create a picture in a picture video from two mp4 videos. There is a time offset on the first input file (0:v). The second input (1:v) file is being rotated 90 degrees. I am using ...
0
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2answers
384 views

FFMPEG 4.0 Opus Codec Not Enabled?

I just compiled and installed ffmpeg-4.0 on my Kubunut 17.10 laptop, and and I'm getting an error when trying to do conversions using the opus components. It appears that opus is not enabled, and I ...
0
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1answer
143 views

Why ffmpeg increases file size?

I'm trying to encode the video in the same quality in the same format, but the output file is several times larger than the input file. Whyis it happens? I want to fix the encoding errors, but I can ...
0
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0answers
119 views

How to output vertical video in Handbrake 1.1.0?

I have a vertical video recorded on an iPhone (one of the rare cases where it makes sense) that I am trying to convert to save storage space. The original is stored as 1920x1080, I assume with some ...
2
votes
1answer
270 views

Tell ffmpeg to drop frames to reduce memory usage?

I'm transcoding real-time footage from a security camera from MJPEG into MPEG2, using ffmpeg. Unfortunately the machine doing the transcoding can't really keep up (100% CPU use) however it's "good ...
0
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0answers
271 views

ffmpeg WebM to MP4: awful video quality

I'm trying to convert a WebM video coming from a webcam to an MP4 x264 format. I tried to use this ffmpeg command: ffmpeg -stats -nostdin -y -flags global_header -i "/home/Foto/incoming-video/2017-05-...
3
votes
2answers
902 views

Change rotation flag in MP4 video (without losing metadata)

I just want to change the rotation flag in a .mp4 video file. Many similar questions exist, most answers suggest using ffmpeg -i input.mp4 -map_metadata 0 -metadata:s:v rotate=90 -codec copy output....
0
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1answer
39 views

FFMpeg Sound Lost When Short Overlay Video Ends

I am creating a video file that is 36 seconds long. It is made of three .mp4 files. One video file is the background and the other two videos are overlays. One of the overlay videos ends about 26 ...
0
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0answers
59 views

ffmpeg thumbnail rotation for an mp4 file [duplicate]

I've worked a lot to obtain the following ffmpeg command to rotate clockwise and reencode an mp4 file: ffmpeg -loglevel warning -stats -nostdin -y -flags global_header -i incoming-video/DSCN3758-ro....
0
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0answers
198 views

Convert BluRay iso to mkv or mp4 without changing resolution? (e.g. using Handbrake)

I've got a .iso file of a BluRay movie, and I want to convert that to a single .mp4 or .mkv file. After searching around I came across this answer to a similar question. But when I use the given ...
0
votes
1answer
63 views

How to batch remux audio of .MOV files?

I have about a hundred home video files that I am recompressing for archival purposes. I want to convert them all to x264 using HandBrake, but I have a problem with the audio. They all follow this ...
0
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0answers
27 views

Why Easy Video Maker won't create video in windows 10?

Easy Video Maker dashboard Easy video maker says video created successfully, but when i open the output folder, the video file is blank. I'm using windows 10. I have no problem using this same ...
0
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0answers
198 views

Conversion AVI/DV-Video to mp4 stops/ends before end of video

I have some old AVI/DV-Videos with my kids I want to convert to mp4. This seems to work for the most videos, but there is at least one with problems. The AVI has a length of 01:23:51 (which is also ...
0
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0answers
854 views

Handbrake Settings to Optimise 4K H265 MKV for Plex on Apple TV

I use Plex to stream content to my 4K Apple TV. I have some 4K videos that are H265 (HEVC), 10 bit MKV files. When I stream these to the ATV, it requires transcoding which the laptop can't handle. I'm ...
1
vote
1answer
418 views

How to cut video frame specific with ffmpeg and convert framerate?

since a couple of days i encounter a problem with ffmpeg which is actually driving me mad... I try to use FFMPEG's filter_complex in order to extract certain short segments of a videofile (shot at ...
2
votes
1answer
491 views

How to split video files upon detected change in resolution? (ie. recorded streams containing multiple widths)

I have many video files (flv/mp4) that change resolution mid-stream (720p/1080p/640). I would like to use something like ffmpeg to automatically detect the change in resolution and split the videos ...
1
vote
1answer
623 views

Use FFMPEG to combine MP4 and MP3 file?

I have two files, video.mp4 and genaudio.mp3 (both same length). How can I merge the MP3 file with the MP4 using FFMPEG (or any command line program)? This is what I have so far, but it doesn't ...
1
vote
1answer
224 views

How can I convert video and stream it at same time use ffmpeg

linux vps , input video "phoenix.mkv" blueray quality I want convert it Video Quality : youtube 720p Audio Quality : "MONO" , "libfaac" , "bitrate 112" Output File : "output.mp4" or AnyFormat ...
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0answers
47 views

Tool to fix video files where audio is playing at wrong rate (stretched audio)

I've looked through numerous similar questions about audio and video being out of sync, but this is different: I have a bunch of video files where the audio is playing at roughly half the rate it ...
1
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0answers
14 views

ffmpeg split makes long file when not starting from beginning [duplicate]

Attempting to use ffmpeg to split a very long mp4. ffmpeg -ss 00:00:00 -t 00:30:00 -i WorkingSession.mp4 -acodec copy -vcodec copy WorkingSessionPart1.mp4 This provides about 89MB Next I try this, ...
2
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0answers
73 views

BASH FFMPEG SUB HARDCODING;)

I've been working with FFMPEG to hardcode subs. $for i in *.mkv;do ffmpeg -i "$i" -map 1 -filter_complex subtitles=video.ssa -vcodec libx264 -acodec aac -copy_unknown -map_metadata:s:v 0:g "../../A/...
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0answers
146 views

FFMPEG on small, high-noise Image Sequence to Lossless Video

I have a folder of .tifs that are really noisy images (digital images from a microscope). They are also quite small in dimmension, like 260x260 pixels. I want to turn them into a playable movie that ...
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0answers
515 views

ffmpeg stream video file to fake webcam

I'm trying to set up ffmpeg to forward video stream from file to dummy video device created by v4l2loopback My command looks like following: ffmpeg -re -i video.mp4 -c:v rawvideo -pix_fmt yuv420p -f ...
0
votes
1answer
2k views

Re-encode 4K video to H.265/HEVC with FFmpeg for playback in QuickTime

I have a one hour 4K video which was weighing in at 10 GB. I thought I'd try re-encoding to HEVC using FFmpeg to try to save space, something I hadn't tried before. However, I switched the container ...