Questions tagged [aspect]

Aspect Ratio is the ratio between the width and the height of a video asset.

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Fix video files which have aspect ratio 1:1

I'm using VideoProc Converter to convert several video clips. The video clips are in different format. My purpose is to make all of them in same format with 1080p resolution and 30 fps. I've noticed ...
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Converted TS to MP4, what is the meaning of new (and multiple SAR, DAR ) in the output video?

I have a file with extension .ts, information given by ffmpeg -i MyMovieFile.ts is: [mpegts @ 000001f8fc13fa80] start time for stream 0 is not set in estimate_timings_from_pts Input #0, mpegts, from '...
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How to fix a file using ffmpeg so that VLC detects Aspect ratio automatically

I have a video, where the video resolution is 852x480. When I open it up in VLC, "the Video Aspect" ratio defaults to *Default However, all I see is a black screen with a thin line as the ...
joedotnot's user avatar
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Pillarboxing AVC/h.264 video with minimal re-encoding?

I have 1440x1080 AVC/h.264 video that should be displayed with a 4:3 aspect ratio (which would correspond to square pixels). I'd like to burn it to a Blu-ray disc to be playable in Blu-ray players, ...
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what is aspect ratio and how i can increase the width and height to match the aspect ratio?

I have a video with 480x480 width and height and my friend asked me to look if I can change it to the aspect ratio of 16:9 but he said that it will become 848x480 How can I calculate that? if i am ...
code0x00's user avatar
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Keep or Remove Black Bars from Movies?

I have been re-encoding some movies using FFMPEG. I've noticed some movies have the black bars embedded in the video stream, while others don't. Should I keep the black bars in the videos that have ...
sharkeylaser's user avatar
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How to crop just 2 pixels without re-encoding (H264 video)?

I just want to crop 2 pixels (Top) to get identical black bars (now is 138 TOP and 140 BOTTOM) but without re-encoding. I think it is possible with FFmpeg but I'm not sure. I want to do this with one ...
Sal's user avatar
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Convert 4:3 to 16:9 like QuickTime Panoramic Size

QuickTime has an awesome feature called "Panoramic Size". It basically scales the input video to the screen aspect ratio without cropping by leaving the center as-is and gradually increasing ...
Florian Wendelborn's user avatar
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4k views

Horizontal to vertical video using ffmpeg

I want to make a horizontal video get converted to vertical video using FFMPEG for automation purposes. I tried with this, which works for vertical to horizontal ffmpeg -i input.mp4 \ -vf 'split[...
Joaquín de la Iglesia's user avatar
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ffmpeg stretch edge pixels to cover black bars

I have a video file that is a screen recording of some slides. The slides had a 4:3 aspect ratio (1440x1080), but the video file is 16:9 (1920x1080), meaning there are black bars to the left and right....
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What actually happens to footage that is upscaled or downscaled?

I was wondering if there was any hard number evidence for upscaling or downscaling footage to a certain raster size, and what happens to the quality or if any degradation or improvements are made to ...
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How to edit iPhone Screencap without changing resolution

I need to do a basic cut from the middle of a screencast on an iPhone 11 Pro Max, but every method I've tried ends with the video being cropped to 16:9. How can I keep the original resolution?
swider's user avatar
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What's wrong with this MP4 file? Is the pixel aspect ratio wrong?

Similar to this post, I've sent some video tapes off to be digitized. In this case, they are mini-DV tapes which should be 720x480 resolution (more or less). The resulting MP4 files do claim to be ...
Betty Crokker's user avatar
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Preview Aspect Ratio on Camera LCD Screen

I am planning on shooting a short film with my DSLR (Nikon D5300). I want the film to be in 2.39:1 (1920x800), but my camera is recording in 16:9 (1920x1080). I wondered if there is any way to ...
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Best strategy to keep aspect ratio consistent for all videos having any resolution

I am using the following ffmpeg command to create multiple resolutions for the same video content. ffmpeg -i ${f} -c:v libx264 -keyint_min 150 \ -g 150 -profile:v main -f h264 -dash 1 \ -an -vf scale=...
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How to make video play with correct aspect ratio

I have the following issue: I have a video file (h264) that plays with the correct aspect ratio in mplayer. However, if I load it into Intel's Computer Vision Annotation Tool, or if I re-encode the ...
painfulenglish's user avatar
2 votes
1 answer
384 views

Shooting in 4:3 Aspect Ratio

I'm a filmmaking student planning to shoot a shortfilm, I want to give it a special visual style that's why I will try to shoot it as if it were square aspect ratio, the problem is, since it's an ...
Santi Tinjacá Rivera's user avatar
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Why can't I change the aspect ratio of my project in Final Cut Pro X?

I am trying to create a Final Cut project that has a 4:3 aspect ratio. So I went to the project settings and set it to 1440x1080. But the preview window and exported video is still widescreen, does ...
Ian Hazzard's user avatar
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How to concatenate multiple videos while maintaining original aspect ratio?

Is it possible to concatenate many videos with different aspect ratio? So in the end every video segment maintains the original aspect ratio. I've tried the following FFmpeg command: ffmpeg -i 1.mp4 ...
Oliver's user avatar
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How to change the aspect ratio during the film

So I want to start the film with a 2.35:1, and I want it to change to 16x9 during one take. How can I do that? Do I put black bars on it and remove them at the right moment? Any help is much ...
John F101's user avatar
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787 views

FFmpeg issue with aspect ratio

I'm using the following command (in my android application) to overlay an image on top of a video: "-i", video.mp4, "-i", image.mp4, "-filter_complex", "[0:v]pad=iw:if(lte(ih\\,iw)\\,ih\\,2trunc(iw*...
HB.'s user avatar
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Sony Vegas Pro 12 - 4/3 video wrongly considered as 16/9

I am digitalizing Super 8 film with a dedicated Somikon scanner. It outputs H264 - MPEG-4 AVC films in 4/3 (1440x1080). When I open these films directly with VLC, there are displayed in 4/3, which is ...
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Lossless way to fix aspect ratio in VOB?

I have some old videos that were converted from a camcorder to DVD years ago. On one of the DVD's, the aspect ratio is incorrect. Most DVD players and applications seem to ignore this and play the ...
Paul Galbraith's user avatar
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Merge Video with aspect ratio in FFMPEG

I am confused how to do this thing with no-crop in android with ffmpeg, Video details video 1 size - 700*400(width*height) duration - 5 second video 2 size - 400*600(...
Nikunj Paradva's user avatar
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283 views

4:3 source going to a 16:9 projector

At our church we have an older 4:3 projector we'd like to upgrade. Funding does not currently allow us to go with a 16:9 screen, but we don't want to be stuck with a 4:3-only projector if we're going ...
David White's user avatar
4 votes
2 answers
5k views

4:3 video has 720x480 resolution

I was trying to do some video editing and encoding. I have a so-called SD video that should supposedly be in 4:3 aspect ratio. But instead of 640x480, it is 720x480. Interestingly, when I play it with ...
Tina J's user avatar
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4:3 - 16:9 Aspect Ratio Conversion with Pillarbox and Textbox

I'm trying to use FFMpeg to adapt 4:3 (SD) to 16:9 (HD) and reverse function. When SD is converted to HD, I need to add pillarboxes around the content. When HD is converted to SD, I need to add ...
Tina J's user avatar
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How can I crop and export a video to be 480x480 in Premiere?

I've seen several posts regarding how to resize a video to have a 1:1 aspect ratio, but all of the posts show how to do it by making a Sequence in Adobe Premiere Pro CC and crop to 1080x1080 or ...
AndreasKralj's user avatar
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1 answer
2k views

FFmpeg keep different sar and dar in multiple videos

I have two video that I'm working through filter_complex. First video is 1280x720 [SAR 1:1 DAR 16:9] and the second video is 1280x720 [SAR 203:640 DAR 203:360] I would like to merge the files with ...
Sauron's user avatar
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What is the correct aspect ratio to publish video for broadcast television

I recently had an opportunity to publish video for broadcast television. I need to know what the correct aspect ratio is to publish video to the broadcaster. U.S. television broadcast. I have not ...
jehovahsays's user avatar
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81 views

Why would you deliver a video in 1920x964?

Quite simply; I've never come across this aspect ratio in video before and I just wanted to know if there is a standard in video (that I'm unaware of) that routinely uses this aspect ratio. For a ...
Jamie Bruce's user avatar
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2k views

How to Stretch Video Vegas Movie Studio

So I filmed with my Go Pro with a Stretched screen for 16:9 when I resized it to get everything. Is there a way to stretch the video instead of moving the camera to adjust to the 4:3 the video is in a ...
Ryan Foy's user avatar
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2 answers
84 views

Extending the size of the video shot on iPhone

I took a video in an upright (portrait) position on my iPhone. When I watch it on a computer, the edges look black. How can I remove this blackness and display it on the wide frame? I just can not do ...
Mehmet Sever's user avatar
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2k views

What should my aspect ratio settings be for an Instagram ad?

I am trying to design a video for my ad in Instagram, but when I upload the video, it says: Story media aspect ratio has to be smaller than or equal to 9:16 Aspect ratios of videos need to be 1:1. ...
Rehan's user avatar
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change aspect ratio without stretching video ffmpeg

ffmpeg -i "a.mov" -i "b.mp4" -filter_complex "[0:v]setsar=sar=${SAR}[a]; [1:v]setsar=sar=${SAR}[b]; [a][0:a] [b][1:a] concat=n=2:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" -preset veryfast -crf 18 "...
jasan's user avatar
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1 answer
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Resizing a video in Premiere without scaling

I have a video that's 1280x720. I want it to be 720x720 without re-scaling it (e.g., I simply want to cut off the excess on the right). I need to embed it on a website which is why the sizing sounds ...
Jim's user avatar
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1 answer
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How to convert a 2:21:1 video to 16:9 DVD using ffmpeg?

I have a MPEG-4 Simple Profile video with size 720x288, pixel aspect ratio of 2:21:1 (ffmpeg says SAR 1:1, DAR 5:2). I'm trying to use the command I usually use to convert it do DVD format: ffmpeg -i ...
Mauro Molinari's user avatar
2 votes
1 answer
6k views

iOS - App To Change Aspect Ratio of a Video

I'm a new iOS user, and previously on my Android device, from time to time I needed to change the aspect ratio of a video to 1:1 (to fit with Instagram). So at that time, I was using this app that ...
priesto's user avatar
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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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In what aspect ratio shoud one record with a DSLR?

This Question is not about what aspect ratio should be chosen for the final film, it's rather about how to get the biggest "resolution" capable of the cammera. When you take a photo with a Modern ...
Frezzley's user avatar
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2 answers
197 views

DVD not displaying full picture

I have created a DVD from video files, originally FLV 1280x720p files. Although I followed the support literature and help guides, approx 10 pixels are missing vertically and approx 20 horizontally ...
n00dles's user avatar
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2 answers
719 views

How to stop Sony AVC/MVC encoder from adding 4:3 aspect ratio to 16:9 videos?

I am using Movie Studio Platinum 13 (essentially, light version of Sony Vegas). I am creating a project based on mp4 files recorded on my Sony Alpha camera. These files have pixel resolution ...
JustAMartin's user avatar
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1 answer
62 views

Footage with different aspect ratio

During a Summer trip, I took various footage with my JVC100 camera and some with my Galexy note 5. Now, I am thinking of using the footage in one movie project. The cell phone footage obviously has a ...
Sara Parhizgari's user avatar
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497 views

miniDV - Same resolution but lost vertical space in 16:9 widescreen?

I have an old SD PAL camcorder, which records on miniDV tapes at a resolution of 720x576 pixels. This is the output from ffmpeg of the 4:3 recording: Stream #0:0: Video: dvvideo, yuv420p, 720x576 [...
Andrea's user avatar
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1 answer
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Add border to video, maintaing aspect ratio, and insert subtitles in the border

I have an MKV wrapped 1920x800 video and a sidecar .srt subtitle file. I want to convert the video to 1920 x 1080 and add black border on top and bottom while keeping the original aspect ratio. I also ...
uehara's user avatar
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2 votes
2 answers
63 views

What detailed research exists on the effects of aspect ratio on perception?

I'm interested in the effects of aspect ratio on perception in video, whether it's movies or else, looking for detailed research. Could anyone recommend books, courses, research papers on the subject? ...
base's user avatar
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3 votes
1 answer
1k 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 ...
user1344545's user avatar
1 vote
2 answers
583 views

Why does 8K have 16 times the pixels compared to 1080p?

Considering 2K = 1440p, has twice the pixels compared to 1080p, 4k has four times as many, why does 8k not follow this trend?
xyz's user avatar
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1 answer
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ffmpeg: pillarbox 4:3 to 16:9

I'm confusing myself over how the video filters work, particularly how they work together, I think. I have two MKVs, pulled from DVD, that are respectively 16:9 and 4:3. What I would like to do is ...
drukepple's user avatar
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1 vote
1 answer
475 views

Adobe Premiere CS5 match sequence settings but change codec

So I have a flash video that I tried converting to MPEG4 (H.264) in Adobe Premiere. I simply copied the .flv clip and the created a new sequence by dragging the clip to the new item icon: I this gave ...
Brian Ogden's user avatar