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.

Filter by
Sorted by
Tagged with
3
votes
1answer
7k views

ffmpeg to convert and merge 3 videos to a single widescreen video

I have three .mov files with video in Apple ProRes (apcn) and audio in PCM S24 LE (in24), of identical length and dimensions (1920x1080), frame rate (23.976024) and each with the same audio track. I'd ...
1
vote
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 ...
0
votes
1answer
2k views

Is mp4 or avi format convertable to raw?

Can I convert it to a raw video ? Arduino Drone Next Step| Buying New Item(s) and Public Flight
0
votes
2answers
1k views

Do I have any sort of loss converting an M4V file to MKV?

I have a bunch of files I've "shrunk" with Handbrake using a custom preset I've built after reading what each of the advanced options of the x264 encoder, at least those listed under "Advanced" tab, ...
1
vote
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 ...
0
votes
1answer
313 views

FFMPEG Command Works, then stops

When I use ffmpeg with this command: $ ffmpeg -i ~/Desktop/The_Karate_Kid_2010.mkv -c:v libx264 -c:a libfdk_aac -c:s mov_text ~/Desktop/The_Karate_Kid_2010.mp4 It works, until this error appears: ...
1
vote
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 ...
2
votes
1answer
13k views

Problem converting TS to MP4 container with ffmpeg

I have a video stream I captured with VLC and saved as a TS file. The codecs within the file are h.264/AAC, so I thought it would be trivial to use ffmpeg to convert the file from a TS container to ...
2
votes
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 ...
1
vote
1answer
656 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 ...
3
votes
1answer
1k views

FFMPEG stop converting from TrueHD to PCM

I'm trying to convert a TrueHD 7.1 soundtrack to PCM format but ffmpeg give me an error and stopped. Here's the output of ffmpeg: user:~$ ffmpeg -i source.thd -c:a pcm_s24le -ar 48000 output.wav ...
1
vote
0answers
142 views

Converting an AAC Mono file to AAC Stereo, higher audio bitrate?

I hope someone can help with this issue. A client is sending me videos recorded with iPhone; with dual-channel MONO AAC-LC audio, an average of 89 kbps. It's mono but dual-channel. I'm editing with ...
1
vote
2answers
4k views

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 ...
7
votes
1answer
6k views

Apply custom lut via ffmpeg?

I'd like to batch convert some log footage as well as transform each clip into rec709 colorspace. Is there any way to apply a custom lut to the footage? If so, what's the correct way to do that?
0
votes
1answer
442 views

Premiere: None of the sequence presets match my clip settings. What to do?

I'm a beginner with Premiere CC and following a tutorial that strongly recommends creating sequence settings to match one's clip settings. This seems reasonable enough, but I can't find any suitable ...
2
votes
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 ...
1
vote
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 ...
1
vote
2answers
638 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 ...
0
votes
1answer
6k views

Convert variable framerate ~60 FPS to constant 60 FPS losslessly

I have gameplay footage recorded with ShadowPlay (“GeForce Experience”) at 60 FPS, which as I understand results in variable frame rate, because the game drops frames sometimes. However, trying to use ...
3
votes
1answer
297 views

Best quality conversion from VHS to digital domain (USA)

I (like everyone else) have some old home movies on VHS, VHS-C and 8MM (and maybe a couple DV even...). I'd like to get them on my computer so I can edit them and store them. In the past, I've used ...
0
votes
1answer
838 views

mplayer/ffmpeg How to set caca filter's output size

I'm curious how different clips would look like in ASCII art. So I'm trying caca. To just play, I use mplayer -vo caca $FILE. But that creates an output of quite small size. How can I change that ...
1
vote
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. ...
1
vote
1answer
972 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 ...
12
votes
1answer
13k views

Can I set the start number for image sequence output?

I am using ffmpeg to convert from video to an image sequence as follows: ffmpeg -i video.webm image-%03d.png The first image is labelled 001, but I want it to be labelled 098. Is it possible to set ...
0
votes
1answer
127 views

FFMPEG Only converting at 1.5-2 FPS

I am a newbie to this forum and am hoping I can get some insight and assistance with an issue I am having. I wrote a script that takes all of my captured videos (.avi) and converts them to mp4 using ...
0
votes
2answers
184 views

How can I quickly reduce .mpg files?

I recently imported a few personal videos I had on VHS or video 8mm tapes using Roxio Easy VHStoDVD equipment and software. But here's the thing: the files are in .mpg format, very large, and I am ...
1
vote
1answer
52 views

Video watermark

I am searching for a tool which can add text watermarks to my videos. I have a huge library (around 700 movies), ordered in folders. The video resultion of them vary from 360p to 1080p. I am ...
3
votes
1answer
778 views

How can I convert a video to BPG format? BPG= Better portable graphics

I am trying to embed video into my site. And since loading time is important, I want to implement it using BPG. The author of this post implemented it https://eek.ro/why-bpg-will-replace-gifs-and-not-...
2
votes
1answer
487 views

Bit rate reduction when converting 60fps footage into 30fps?

I'm shooting at 60fps, the result is video playing back normal speed but displaying 60fps. I then have stretched the clip so that i get 30fps playback speed with a slow motion clip twice as long as ...
1
vote
1answer
943 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 ...
0
votes
1answer
425 views

MKV to WMV conversion and the size difference

I'm working with video editing for years but suddenly I've stumbled upon an issue that I can't seem to figure out. I have many video files in .mkv, and I need to edit them in Sony Vegas - hence, I ...
2
votes
3answers
3k views

Final Cut Pro X Sharing to DVD 66% error? Slideshow compression?

I created a Slideshow in Final Cut Pro X. I need to burn a DVD, I need to upload to YOUTUBE and I need to put on a jump drive. I can export to Master File, however when I try to burn to DVD it only ...
1
vote
1answer
43 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?
0
votes
1answer
4k views

How to double video frames without any duplicate frames

My video details : DV-PAL 720x576i , 25FPS , duration=20s , frames=500 I need to increase (double) the video frames without any duplicate frame. I used the following commands to increase (double) ...
3
votes
1answer
40k views

Big difference in the video file size after the conversion (.mov to .mp4)

After converting from .mov into .mp4, a video file is greatly reduced in size (.mov - 75,2mb .mp4 - 11,9mb) - does this mean that the converted video degraded (loss of color information, or the ...
0
votes
1answer
628 views

Reducing the frame rate : the smooth video Issue

This is my smooth video. Video details: Frame rate=60 FPS Video codec: h264 Not have any audio stream I want to convert it to a PAL video, But I can't get smooth video. How to convert a high ...
1
vote
1answer
404 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 ...
1
vote
3answers
221 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 ...
4
votes
1answer
2k views

Video metadata: What is “Video delay” used for?

Recently, I'm forced to fiddle with a nasty little problem with videos that have some special metadata attributes, namely "delay" or "delay_relative_to_video". There's a software videoconferencing ...
1
vote
1answer
854 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 ...
0
votes
1answer
184 views

Compressing a large MP4 file that is on 2.30mins long

I have been sent a video that is only 2.30 mins long. But is a whopping 168mb, unfortunetely this has to be embedded into an app - so I need it as small as possible. I need to get the file size down ...
1
vote
2answers
71 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 ...
0
votes
1answer
66 views

proper way to undo AVCHD mess?

Most of my video editing programs simply take the stream (.MTS) files from my camera's AVCHD videos. I can confirm the imported video/audio are exactly the same if the program has access to the whole ...
2
votes
2answers
540 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. ...
0
votes
1answer
990 views

removing an x265 audio track without conversion?

I have an x265 video file with dual audio tracks in different languages. Obviously one is useless to me and I want to remove it without waiting through a lengthy conversion that will lead to quality ...
1
vote
1answer
591 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 ...
1
vote
0answers
31 views

Converting older DVDs to files

I am using HandBrake to rip some DVDs and am having issues with the output size. For instance, I am ripping some older TV shows that were made for 4:3. If I were to watch them from TV, they would ...
2
votes
2answers
95 views

How can I efficiently convert MOV / MPEG-4 files for long term storage?

I have a Canon 6D DSLR that I am shooting video on. The camera is set to capture 1280x720 60fps IPB MOV / MPEG-4 files. The video files are in the range of 250MB per minute of recording. I have ...
1
vote
1answer
3k 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 ...
2
votes
1answer
1k 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 ...