Questions tagged [file-formats]
Refers to the "container" that that data is stored in and how that data is encoded.
175
questions
0
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0answers
35 views
FFmpeg mux an mpegts for use in stream: possible to set cur_dts / dts / pts?
Constrained by the need manually generate a series of 10-second MPEGTS media segments for HTTP Live Streaming (HLS), ffmpeg's mpegts seems to do what I need. This example would be for segment number ...
0
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0answers
128 views
How to achieve the best quality with the least file size for 1 hour long videos
I want to achieve a 1 hour long video from 5 second animation clip with 1920x1080p res, with best quality with an acceptable file size because currently my videos are 100gb + after I render the 1 hour ...
2
votes
1answer
33 views
Is there a standard for multi-camera, high-speed video?
I develop an application to record from multiple high-speed (e.g. 200 fps) cameras simultaneously. Typically, the frame rate of these cameras is constant but this is not necessarily the case. ...
0
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0answers
26 views
How can I know if a video file is DASH or HLS?
I'm downloading videos, but some of them are DASH, how can I use ffprobe or ffmpeg to know which are using DASH?
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0answers
91 views
Removing background audio noise
I have recorded a demonstration video using a lav mic. The mic quality is ok but there is a discernible hiss in the background. I've tried playing with the settings on the camera and the mic, ...
1
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2answers
115 views
Video with transparent background file-size issue
A client asked me to do an animated product visualization in 3D and then render out the animation in 4K with a transparent background to put on their website. The animation is done but if I want to ...
1
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2answers
46 views
What is the difference between lossless and lossy formats?
What exactly are the differences between lossless and lossy codecs? And is one better format better than the other or is it mostly relative?
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0answers
30 views
Does YouTube accept AviSynth .avs scripts for uploading?
Without reencoding videos first? Is it possible to browse for .avs file and upload it, provided AviSynth is properly installed locally?
0
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1answer
43 views
Are there any Windows video players that don't stutter when looping?
Title. I have spent the past few hours trying to smoothly loop a short 6-second animation I made in Blender. No matter what I use (VLC, Windows Movies and TV, heck I even tried installing MPlayer), ...
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3answers
91 views
What is the video equivalent of vector graphics?
Images and videos have their own quality standards and protocols. There are either raster image file formats (.gif, .jpg) or vector graphics images (.svg, .pdf). No matter how much you zoom in on ...
1
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1answer
166 views
What is the difference between .mts and .mp4 video files?
I know that .mts video files use MPEG-4 video compression. But why then don't they just have the .mp4 file name extension?
Since they don't, this means they are not digitally nor conceptually ...
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0answers
311 views
How to save (download) a live video which has an m3u8 file?
I have a LIVE streaming video which have an m3u8 file, but in that stream I can only go 40s backwards. That means it only has 4 segments which are 10s long.here's the link to m3u8 file(it might not be ...
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2answers
114 views
Importing uncompressed video into Final Cut Pro without (too much) transcoding
I have recently digitized a VHS tape using VirtualDub. Here is the MediaInfo of the original file.
General
Complete name : capture.avi
Format ...
0
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1answer
25 views
Audio not detected with Transparent Video Formats (Quicktime - PNG/QtAnimation- AAC/PCM)
On importing a transparent .mov file (Quicktime - PNG/QtAnimation- AAC/PCM) , the audio is not detected by the Videoeditors (Powerdirector17 < Davinci Resolve doesn't support the above format> )....
0
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2answers
248 views
Software to create transparent GIFs?
I have to create high quality GIFs with transparent backgrounds for a gig, Blender can render transparent videos with the quicktime codec, but do you know a tool to convert them to transparent GIFs, ...
2
votes
1answer
947 views
Managing compound clips in Davinci Resolve 16
I've made a couple compound clips in my Davinci resolve project. Right now, I need to open that project, manually copy required clips and paste them in a new project. Is there any way to create a ...
1
vote
1answer
42 views
Decrease video size post-editing
I am using a video editing software to edit my videos for YouTube. The scenario is as below:
Input file size: 80mb.
Input type: webm.
My expectation after editing :
Video size: around 100mb.
(Any ...
0
votes
1answer
792 views
How to turn video with spherical, equirectangular projection into an actual "360° video" playable with VLC?
I have a video (MP4/AVC) that is in 2:1 aspect ratio and uses equirectangular projection for a spherical video (often called "360° video").
VLC can play spherical videos since version 3.0.0. ...
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0answers
490 views
Sony Vegas - Rendered file showing 30 FPS when project and render settings set to 60 FPS
Some I am trying to render a video at 60fps in Sony Vegas but when I check the properties of the rendered file, it shows 30fps. Details below:
Original Clip frame rate: 50fps
Project settings: See ...
0
votes
1answer
116 views
How to remove video streams from .wmv with FFmpeg?
I'm working on a method to programmatically remove video and subtitle streams from video files of various formats and have been having some trouble with most .wmv files. Below is what I believe to be ...
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0answers
413 views
Premiere Pro export same file size as import
I just want to export a video at the exact same settings as the imported file.
'match source' and 'match sequence settings' do not work. (Adobe Premiere Pro)
On my timeline all I did was trimmed some ...
2
votes
3answers
4k views
What is the most basic standard raw video format?
What I mean by the question is, for audio we have the WAV file format which stores a representation of audio where each word stores the intensity of one sample of audio. In addition to this there is a ...
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0answers
344 views
Why won't certain videos preview in MacOS Finder any more?
It used to be possible to preview all ProRes and PNG sequence .mov video files in the Finder in MacOS, by selecting the file and pressing the spacebar.
Now it isn't. It's a pain. Is there a workaround?...
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0answers
456 views
Forcing input video codec in ffmpeg for raw MPEGTS dump
I am trying to use ffmpeg to extract thumbnails from a partial dump of a MPEGTS, coming off a multicast network. The dump contains the video PID only, in MPEGTS format, but I am unable to get ffmpeg ...
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1answer
94 views
Do you use OpenEXR file format during making your video production? In the field of VFX [closed]
Do you use OpenEXR file format during making your video production? In the field of VFX.
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0answers
25 views
Unknown Video Format
I had a video file named file.mp4. I have tried many codecs/players to open it with no luck.
Finally, I used a hex-editor to open the file, and here is what i have found.
Any suggestions on how I ...
0
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1answer
59 views
Best video format for a retired PowerPC (iBook G4)?
We have a retired iBook G4, it plays H.264 quite laggy.
My question is what is the best video format optimizing for Battery Life on a PowerPC?
Bonus question: Is there a free batch converter for ...
1
vote
0answers
56 views
Is there any "concatenable" video format I can use for sequential streaming?
I'm writing a server and I have to play commercials on demand, so I'm trying to avoid re encoding video.
I assume that video containers have headers and meta data, so it would not be possible.
Is ...
0
votes
2answers
594 views
How to convert ts to mp4
I have a lot of videos needed to convert from ts to mp4, how can I convert it without losing quality? I mean a lot like 30+ each week.
I did a search already but none can do it fast enough, doing it ...
0
votes
1answer
55 views
Video formats with alpha channel
Which non-obscure video formats with semi opacity are there?
I want to create clips with that format to have as overlay of other videos, so the format better has to be supported by main video editing ...
6
votes
3answers
7k views
Need help to fix a broken MP4 which lacks a MOOV atom
Please be forgiving to a video file format newbie, who has travelled far and wide all over the Web in search of a relatively simple question and hoped to get an answer (even a fairly complicated one ...
0
votes
1answer
128 views
Remove files from a folder not used in Premiere Pro
I have a folder in which I save all my video recordings, I used some video files in Premiere Pro but I would like to delete those that I haven't used.
The problem is that I have over 3100 files which ...
1
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2answers
37 views
What's the best working format for video making?
Good day.
I'm trying learning Premiere, but at the moment i'm using Corel Video Studio to make video footage.
I noticed cpu-spiking and freezing editing my video (with both programs): in particular ...
0
votes
1answer
63 views
Possible to reconstruct video from mbtree file?
I have a large mbtree file and found out it was used for video transcoding. Is there any way to reconstruct the video from the mbtree file or is it just (useless) metadata?
1
vote
1answer
622 views
Closed Captions missing when converting from mp4 to ts
This is a follow-up question from my previous question HERE. I'm trying to convert a caption-embedded .mp4 video into a .ts file, simply changing the container format. But once I convert the video, ...
0
votes
1answer
4k views
Errors in converting mp4 to ts with FFmpeg
I was trying to convert a caption-embedded .mp4 file into a .ts file. Only command found after some search was this which uses FFmpeg:
ffmpeg -i 1559066401592889640.mp4 -c copy -bsf h264_mp4toannexb ...
0
votes
1answer
198 views
Final Cut: Youtube 4K Upload directly or by file
For 4K video, Is better upload direct to YouTube or Is better to export in ProRes (or another) in hard disk and then upload the file to Youtube?
I record usually amateur football matches and upload ...
0
votes
1answer
27 views
Trimming MOV clips / Saving as mp4
I am trimming extraneous time from some MOV files using the Microsoft Movies Anywhere app on my desktop. They're saved as MP4 files and have proportionately much smaller file sizes than the trimmed ...
2
votes
1answer
2k views
What is the difference between VP9 and WebM?
The ffmpeg manual states that:
libvpx-vp9 is the VP9 video encoder for WebM, an open, royalty-free media file format.
What is the difference between the VP9 and WebM?
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2answers
2k views
What does Ma10p stand for?
i.e. a file is listed as being "1920x1080 HEVC Ma10p FLAC"
So....resolution / h.265 video codec / ? / .flac audio codec
On its own I'd guess the 10 stands for 10 bit depth, but the Ma is unknown to ...
0
votes
1answer
323 views
Samsung Note 9 high FPS videos won't play on Mac? (black screen)
I'm trying to edit some video clips recorded on a Samsung Gallaxy Note 9, at a high FPS (60, or 120), and the mp4 files won't play on my Mac. More specifically, they play the audio, but the video just ...
0
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1answer
3k views
Do I really need to keep CPI file from AVCHD container?
CPI files accompany MTS files in AVCHD containers created by camcorders.
Various posts on video forums suggest that CPI files should be archived together with MTS files, as they contain metadata ...
0
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1answer
875 views
How does ffmpeg record -timecode in different file formats?
As a followup to Add timecode information to file
ffmpeg documents the -timecode parameter:
-timecode hh:mm:ssSEPff
Specify Timecode for writing. SEP is ’:’ for non drop timecode and ’;’ (or ’.’) for ...
1
vote
1answer
702 views
How to combine so many ffmpeg filters in 1?
I dont even know if it's possible, but if anybody could help me would be really great! :)
So first of all i resize my video with this command:
CODE №1
ffmpeg -i input.mp4 -c:v libx264 -crf 20 -crf ...
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0answers
84 views
MPEG-4 Mediainfo, what's "Format Profile"?
I'm wondering what the Format Profile tag/field refers to.
(Backstory: I have a couple MPEG-4 videos (I made) on a NAS which won't stream through my X-box 360 (but will stream on any other computer, ...
3
votes
2answers
303 views
What it means "a royalty free alternative" to video/audio (WebM format)
The WebM format says:
WebM is an audiovisual media file format. It is primarily intended to offer a royalty-free alternative to use in the HTML5 video and the HTML5 audio elements.
I am not too ...
1
vote
2answers
1k views
Format and codec for a video with 5760×1080
For an art installation I need to project on 3 projectors (1920×1080).
My playback setup is: 1 PC with Windows 7, SSD, NVIDIA GeForce GTX 980 and 3 projectors (1920×1080).
The video I need to ...
0
votes
2answers
2k views
What is the best format for archiving digital movies?
I work at a movie production company and we have a lot of film post production and release happening. All types of formats are handed to us by filmmakers and other studios. Now we want to archive all ...
1
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0answers
549 views
Is there a container format in ffmpeg that supports non-monotonous timestamps?
I have recorded over-the-air digital TV broadcasts from my own antenna. Due to reception blips, the MPEG-TS file can have corrupted packets, and thus corrupted timestamps, in the middle of a ...
2
votes
2answers
704 views
Lossless color compression
I need to reduce the file size of an mp4 video. I don't need color information at all but pixel brightness resolution must be preserved. Videos consist of white background with a few (important) black ...
