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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.

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53 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
79 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 ...
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2answers
200 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 Is it an outdated format?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 ...
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2answers
128 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
63 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
463 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=...
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1answer
77 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 ...
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1answer
121 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 ...
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1answer
894 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 ...
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2answers
780 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 ...
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1answer
264 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 ...
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0answers
287 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 ...
3
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1answer
526 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 ...
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0answers
395 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-...
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2answers
3k 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....
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1answer
106 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 ...
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0answers
137 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....
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0answers
312 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
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1answer
88 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 ...
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0answers
28 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 ...
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0answers
352 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 ...
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0answers
1k 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
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1answer
556 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
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1answer
682 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 ...
2
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1answer
2k 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 ...
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1answer
411 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
56 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 ...
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0answers
15 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, ...
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0answers
123 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
220 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
812 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 ...
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1answer
3k 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 ...
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0answers
38 views

Convert MKV to MP4 with an average bitrate of 2Mbps and setting min/max bitrate [duplicate]

So I know I can set the average bitrate using -b:v 2000kbps, but I noticed that some frames need a somewhat higher bitrate, whereas some other frames can do with a lower bitrate. I want something like ...
0
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2answers
415 views

Using ffmpeg to convert stream with delayed audio stream

I am trying to use ffmpeg to convert this TS stream file to MP4. Note how there is no audio until around the 10-second mark. Whenever I try to convert (or copy) this TS file, I get no audio. I suspect ...
2
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0answers
89 views

Adapting video for LaTeX with ffmpeg does not produce the expected result

I have been trying for weeks to embed some videos (created with python-Matplotlib) in my Latex/Beamer presentation according to examples like this one, which use a package called media9. Document ...
2
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0answers
299 views

Using a RCA-to-USB capture device on Linux

I've been handed down a Lexus UR-19 capture/converter device: It has RCA (and S-Video) inputs, connected to some dongle with a USB A male output. I'm guessing it does some sort of simplistic A/D ...
0
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2answers
172 views

How do I convert VHS tapes to digital format? [closed]

I, or rather my parents, have a PC running Windows, a collection of VHS tapes, and a VHS tape player with the following outputs: RCA A+V Out (Red, White, Yellow), S-Video, Component Video, RF. How ...
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1answer
2k views

How to convert audible AAX file to M4B format, while preserving all information (including artwork)

I tried to find a solution that will allow me to batch-process a whole bunch of AAX files (which I bought over the years) into M4B. I tried using the audible-activator in order to extract the secret, ...
0
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1answer
1k views

ffmpeg how to change video framerate without changing video duration?

I'm trying to encode a video with a diffrent constant framerate using ffmpeg. The duration of the output file is different than the original by a 0.02 seconds which is about a frame. How do I change ...
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2answers
1k views

VP8 single pass conversion with good quality in ffmpeg

I am working at a raw to timelapse program, and I am using ffmpeg to generate a video out of a sequence of JPGs that my program outputs. The user can select from different codecs, such as libx264, ...
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1answer
268 views

Merge 2 audio tracks into one inside mp4 without re-encode video?

New Nvidia Share allows record videos with two audio tracks: one with in-game audio and second with microphone audio. How can I merge the audio tracks into one without re-encode the video? If ...
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1answer
3k views

How to convert .raw file video format to avi or mp4? [closed]

I want to convert the raw format to any other format. Is there any software for it? I download more than 10 software. But it doesn't support .raw file type to convert
3
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2answers
17k views

Downloading m3u8 videos [closed]

I am trying to download m3u8 video on windows 10, I have tried all the ways to do that but I couldn't download them. Anyone could help me? here are the links for the videos: http://s6.vidshare.tv/...
0
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1answer
185 views

FFMPEG conversion runs forever

I'm running web app that is using ffmpeg to convert image + audio to video and sometimes someone happens to upload something that will make ffmpeg run forever on 100% CPU until the whole drive is ...
2
votes
1answer
2k views

Adding frame to video with same FPS using FFMPEG concat reduces output FPS

I am developing a piece of C# image-acquisition software in which I am compiling images into a video as I get them. Currently I am doing this by creating a video from a set of images once the image ...
0
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0answers
218 views

Convert Blu-Ray to MP4

I have been playing for about 2 weeks now on handbrake trying to convert my Panasonic handycam videos which are in m2ts format to mp4. Here is the orignal file details: General ID ...
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1answer
696 views

How to convert pvr format to mp4 or avi?

At least I want to watch it on my desktop. I tried softwares like hd video converter and npvr and nothing worked and I also did some deep research and I couldn't find anything.Please help me(BTH this ...
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1answer
417 views

Blu-Ray backup -> MP4 with optional subtitles?

I have a number of BluRay discs which I have backed up to my Windows 10 Pro 64 computer using MakeMKV, resulting in folders with BDMV, CERTIFICATE, and MAKEMKV subfolders. I want to re-encode and ...
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1answer
805 views

Create video from a growing image sequence using FFMPEG

I am planning to render a personal 3d project as an image sequence, where each frame takes about a minute to be created and saved as an image file. If I were to use the regular ffmpeg syntax to ...
0
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1answer
6k views

What is mlv video format? How can we open mlv file?

I recently downloaded a trial version of a proprietary software which contained videos. All the videos were of mlv format and could be opened through the application. But no other video player was ...