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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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ffmpeg .mp3 to .mp4 with image convert android studio?

I need to convert an mp3 to mp4 with image using ffmpeg from. i have refered this , this , this links now my code is : if (!loadedFlag) { FFmpegInitLoader(); } ...
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23 views

FFMPEG: How to convert 24 bpp MP4 to 16 bpp AVI that has rgb565le format?

SUMMARY: I'm trying to figure out (get an example, I guess) how to use the scaler src_format/dst_format tags to convert to a specific 16 bpp RGB format for a target device. I'm dealing with some ...
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25 views

ffmpeg 4.1 not setting i-frame/keyframe on start of segment

I'm trying to build a few automation scripts to transcode videos using ffmpeg and I'm the keyframes end up in the wrong places when the format is set to HLS. This happens with different sources (one ...
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1answer
82 views

Can ffmpeg detect the best settings for a given input file?

I have a view Videos (flv,rm,avi) an I like to convert them to mp4. But I like to have the smallest File-Size with the "same visual quality" Is there a "automatic" that can convert the Videos and ...
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2answers
40 views

Why is the FPS in Handbrake's status bar so low relative to the FPS of the output video?

I'm using Handbrake to re-encode an MKV video with the goal of shaving a hundred or so megabytes off it to keep it under FAT32's 4.2GB file size limit. During encode, Handbrake's status bar shows a ...
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22 views

How to copy not recognized streams on conversion with FFmpeg?

I am trying to compress some Videos using FFmpeg, that contain multiple streams, some of them not recognized by FFmpeg: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'GX010686.MP4': Metadata: ...
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1answer
98 views

Most efficient way to re encode H.264 10-Bit to High profile or HEVC 10-Bit

For an odd reason my OLED TV can play HEVC 10-Bit files but only H.264 non-10-Bit. This output (video stream) from ffmpeg is played fine with HEVC 10-Bit: Stream #0:0: Video: hevc (Main 10), ...
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FFMPEG How to extract frames of a video at a certain time frame? [duplicate]

I am working on laying out video stills in a book. I am pretty new to using the command line and discovered ffmpeg just yesterday. Right now, I want to extract 8fps from a video between, for example, ...
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1answer
29 views

How to discard a part of a MP4 with ffmpeg

Is there a way to slice out a 5 minute portion of an MP4 file with ffmpeg? My attempt at running the following gives me the section I want to remove in hateley2.mp4. ffmpeg -ss 01:02:00.000 -i ...
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1answer
42 views

How to convert (broken) MPEG1 video to format that can be viewed by most people

I found this old (possibly broken) MPEG1 video that I'd like to share. MPC-HC manages to play it, but most players cannot render it. How can I fix and/or convert it to a format that most people can ...
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1answer
145 views

How Handbrake calculates width in “1080p30” preset

I have a video: Resolution: 1920*1080 PAR: 65536/65536 Rotation: 90° In Fast 1080p30 preset, The default value for Anamorphic option is Automatic and Modules 2. What I'm curious about is the ...
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2answers
209 views

How do I convert 10-bit H.265 videos to H.264 without quality loss?

My laptop can't handle 10bit H.265 / HEVC videos, so I'm looking to convert them to 10bit H.264. How do I do this using, say, ffmpeg, with the least quality loss? And how can I convert 10-bit H.265 to ...
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20 views

Adding letterboxing with Handbrake

My TV has a resolution of 1920 x 1080. I want to convert a movie that is 1920 x 800 px. If I leave it as is, then the TV stretches it out to 1920 x 1080, so the picture is stretched vertically. It ...
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34 views

convert mp4 file to y4m keeping audio stream

I'm trying to convert an mp4 file into y4m to use with Chrome as a webrtc fake device. (using --use-file-for-fake-video-capture=path/to/file.y4m as described in https://webrtc.org/testing/) I'm using ...
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1answer
35 views

How can I create a stream of my screen on a Windows computer for another device on my network?

I want to view what is seen on my Windows laptop screen on my tv, which is connected to a device running enigma 2, "screen mirroring". There are no software or plugins that will work on the device for ...
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1answer
36 views

What's the difference in FFMPEG between using -c:v libx264, -c:v copy and -vcodec copy?

I'm trying to record video and audio from an IP Camera streaming in H.264. I found these different options: -i "camera_url" -c:v libx264 -acodec copy "out.mp4" -i "camera_url" -c:v copy -acodec ...
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1answer
40 views

ffmpeg stills to GIF: workflow streamlining

I'm having a great time revisiting ffmpeg and tinkering about, but can anybody assist me with streamlining the 'still image/add cross-fade/save as gif' process, please? I'm trying to eradicate the ...
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1answer
86 views

ffmpeg - waveform.png: Invalid argument

I'm trying to use ffmpeg on Synology NAS with DSM 6.2 to create waveform of my mp4 files. ffmpeg -i aaa.mp4 -lavfi showwavespic=split_channels=1:s=1024x800 waveform.png [NULL @ 0x24271e0] Unable to ...
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0answers
28 views

How to convert raw pixel data stream to AVI video?

I have digitized video data from interlaced PAL TV-camera and I want to convert it into AVI video format. I have a long .bin file with each pixel color data (8-bit grey-scale) written in. I know exact ...
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1answer
55 views

Why does ffmpeg extracts a lot more frames than the actual?

I'm using ffmpeg to extract frames from a gif file. When I use python PIL it shows that the file has 135 frames. Even the properties window in the mac shoes the same number of frames. However, ffmpeg, ...
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1answer
281 views

FFMPEG: x265 video encode options

There's quite a bit of info about using ffmpeg (more) to encode with x265: HEVC. However, when I try to encode my video from x264 to x265 with scaling to reduce overall bit rate in order to save even ...
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0answers
64 views

Create thumbnail images at some interval from a video without reading whole video [FFMPEG]

Short Problem: I want to take some screenshots image from a video url at some specific times but I don't want to read the whole video. Let's say I have a video stored in some url (like https://www....
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1answer
58 views

How can I batch process Camtasia Studio's .camrec files?

I have several Camtasia Studio's .camrec files. I would like to convert each of them to a .mp4 file, using the same conversion settings (audio/video encoding parameters, etc.). How can I achieve that ...
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2answers
45 views

How can I batch convert videos into 4:3? [closed]

I've got about 112 videos, each ~240MB. All of them are in 16:9 and I'd like to change them to 4:3. What's the most nonresource-intensive and convenient way I can accomplish this without losing any ...
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2answers
63 views

Extracting audio from mp4 has less bitrate

I'm using ffmpeg -i input.mp4 -c:a copy -vn -sn output.m4a to extract audio from an mp4 file. However, when I open the mp4 in Spek, it shows 255kbps AAC and the extracted file is only 200kbps. Also, ...
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1answer
101 views

I need to make a .MP4 file with the XVID codec. and i simply can't find a way to do it

My client wants 2 files: .avi and .mp4 in 1080p with the XviD codec. The .avi was easy, I installed the XviD codec from the official website and exported the .avi using After Effects. The .mp4 on ...
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0answers
22 views

Using FFmpeg, convert multiple .mov files to .png files [duplicate]

Very new to linux so apologies in advance for this! I want to use ffmpeg to extract .png files from each .mov at a rate of 3 frames per second and create a new file for each set of extracted .png ...
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1answer
27 views

HDMI to S-Video converter and Linux produced green glitches when recording with mencoder

I have HDMI to S-Video converter: Mini Portable USB 2.0 Port HD 1 Way HDMI 1080P Video Capture Card For PC Laptop. So it has: HDMI input (connected to computer so I'm willing to record video output ...
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1answer
272 views

How to increase video's FPS and speed correctly with ffmpeg?

I have a 5 fps video with keyint 120 2.5 hours long that I want to speed up 6 times, making its fps=30 I did it with this command that I found somewhere on this website ffmpeg -i "...local_Record....
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1answer
37 views

Decode/encode 4:2:2 with a 4:2:0 decoder/encoder

Similar to Reinterpret AVC bitstream as HEVC. Some hardware codecs support 4:2:0 for 4k but not don't support 4:2:2 even for SD, with far less data. Can you trick a codec to encode 1920x1080 4:2:2 ...
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0answers
62 views

Reinterpret AVC bitstream as HEVC

I understand HEVC to be a superset of AVC. HEVC allows more 'tools' to extract more compression out of a video sequence. Is there a tool that converts an AVC stream to HEVC, completely ignoring the ...
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1answer
35 views

Efficently join audio tracks from avi to mp4

I have around 100 videos (episodes of a series) twice. [avi] 720p video resolution with my preferred audio tracks [mp4] 1080p but the wrong language Obviously, I ...
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1answer
199 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
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1answer
208 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
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1answer
69 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 ...
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1answer
163 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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359 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) ...
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1answer
20 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 ...
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0answers
92 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
40 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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174 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 ...
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1answer
192 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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56 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
171 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
215 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
279 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 ...
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1answer
149 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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35 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 ...
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1answer
332 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" ...
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0answers
35 views

Is there a way to programmatically 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 ...