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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.

0
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2answers
522 views

How to join split flv files?

I'm in my 3rd day of trying to download one 4-minute video. It's a Flash FLV that's split into three parts, the first two are about 5MB, the third about 3MB. Only the first part has normal FLV ...
0
votes
1answer
413 views

How to encode .mkv video to .mp4 in ffmpeg while retaining the video subtitles and add additioinal watermark?

I want to encode .mkv video to .mp4 using ffmpeg while retaining the subtitle in .mkv format and add additioinal watermark, the current technique that i know is this will convert the .mkv video to ....
0
votes
1answer
965 views

FFmpeg RMTP streaming and simultaneously saving to file

I am using ffmpeg.exe to transcode a video source, in this example below from a file and want to simultaneously stream rmtp and save to file. I can't figure out what am I doing wrong with the "tee ...
0
votes
1answer
298 views

How to save compressed (batch processed) video files to the original folders using handbrake?

I use handbrake to compress/encode video files and I'm quite happy with the results. It gives me smaller file size with no quality loss. The problem is that when I batch convert multiple files from ...
1
vote
1answer
106 views

Data loss due to transcoding video[ffmpeg]

I have a app which takes in user's video and does some processing. the processing pipeline consists of multiple steps. The code which i have written so far assumes h264 codec for input video. But user'...
0
votes
1answer
483 views

FFmpeg converting video convert only audio in linux

I'm trying to convert .flv to .mp4 in CentOS. I used ffmpeg -i test.flv test.mp4, which worked well in Windows, but in Linux the result has no video, just audio. I installed ffmpeg 3.0 using yum. ...
3
votes
1answer
5k views

How do I use ffmpeg to split a video into images and then reassemble exactly the same?

I have an MP4 which has an audio and video streams and I need to modify every frame of the video. The pipeline I'm using is: Split the audio out of the video: ffmpeg -i in.mp4 -vn -acodec copy out....
0
votes
1answer
344 views

Recording Lenovo Easy Camera with ffmpeg - framerate too low

Does anybody have a glue why I can't get ffmpeg to record my webcam higher than 8 fps, with ffmpeg? I've tried Cheese and GUVCView, under various settings, but all I get is a still picture. I'm ...
1
vote
2answers
4k views

Converting 5.1 audio to stereo and keeping both tracks

Let's say I have a video file that has 5.1 audio (maybe AAC or something) and I want to convert that track to stereo so I can use it with Plex without doing any transcoding. Well, I also want to keep ...
1
vote
0answers
197 views

Windows Movie Maker file size

I'm using ShareX to make x.264/MP4 tutorial videos in which there is very little motion. Most of the time I'm just typing and highlighting text. I'm getting reasonable file sizes. I edit the videos ...
1
vote
3answers
2k views

Convert x265 to MP4 or something else compatable for viewing.

I downloaded some files (a TV series) that use x265. They will only play on a computer, not on a dvd using XtoDVD4, not on a flash drive, and not on a newer Sony player or smart TV. Is there an ...
6
votes
1answer
7k views

What is the best way to losslessly compress MJPEG to MP4?

I have a few digital camera movies recorded in MJPEG that are taking a few GB of storage space. I would like to better compress them, but losing as little detail as possible, or none. Since MJPEG ...
0
votes
2answers
250 views

Is there any advantage of reencoding a 480p video as 1080p?

To be specific, I mean importing a 480p video into Movie Maker and exporting it as a 1080p MP4? Is there an advantage?
1
vote
0answers
414 views

Why When I transfer video from my canon camera to my computer the quality is bad?

I have a canon EOS 700d and I record HD 1080p video at 25fps on it but when I transfer it to my computer via usb cable the quality is terrible. I use Sony movie studio platinum to edit my videos. When ...
0
votes
1answer
32 views

How do I transcode the audio to aac in this ffmpeg command

I usually use this command to convert my mkv to mp4 while hardcoding the subtitles (for playing on my tv) ffmpeg -i old_video.mkv -vf subtitles=old_video.mkv -acodec copy new_video.mp4 There is one ...
1
vote
1answer
65 views

What is the correct command line to convert a MKV 10b to MKV 8b with identical quality?

I want to convert a MKV 10b to MKV 8b, with identical quality of sound and video. I uses the following command line: ffmpeg -i -c my_file.mkv: libx264 v -profile -crf 18 -PRESET medium high -level ...
1
vote
1answer
351 views

Cut and Compress 4K Video?

I have a 20 second video which size in 4K which size is 125 MB. It is only about a defective electronic component so accuracy is not important. I want it much smaller. I have these options in VLC I ...
0
votes
1answer
440 views

Rotate AVI video by 90 degree

I used to apply this command to transcode videos of my mobile phone to AVI: ffmpeg -i Input.mov -s 640x360 -sameq -vcodec msmpeg4v2 -acodec libmp3lame Output.avi Now I'd like to rotate some videos ...
0
votes
1answer
392 views

Convert m2ts to (if possible) lossless format for m2ts to save space?

I have hundreds of m2ts formatted video files resulting from legal recordings from TV. Now I would like to keep them, but they are huge. Is there a format I can convert them to which is preferably ...
-1
votes
1answer
44 views

What type of encoding with Bandicam?

I using Bandicam for screen recording file is so small. What type of encoding? I want to edit product from Bandicam and save, after that file is growing 8x from 10MB to 85MB. 10 MB including audio ...
3
votes
3answers
9k views

VLC media player select audio track for conversion

When using VLC media player to convert a video with multiple audio tracks into another format (that may support only one audio track) using only one audio track, how do I select the audio track that ...
0
votes
1answer
83 views

How can I use a PC's monitor output as an input in anoter PC?

I would like to make some real time video mixing setup where there will be multiple PCs creating CGI/graphic output and many cameras creating real life output that should be connected to a mixer PC ...
0
votes
0answers
510 views

Which audio tracks should a mp4 file have?

I am converting some of my DVDs to mp4 files with handbrake for watching them on my computer and am a newbie to video conversion. I read a bit about the topic on the internet, but am confused about ...
0
votes
0answers
430 views

Corrupted Data after replacing disk in Windows 10 Storage Space

I have a Windows 10 upgraded Storage Pool with 5 drives (Parity, thinly provisioned). 'Upgraded' means that this Storage Space supports rebalancing/optimizing (and this was a Windows 8 machine before)...
0
votes
1answer
629 views

QuickTime can't play mp4 generated by ffmpeg without converting first

I've created a .mkv file from a DVD using MakeMKV that I've then converted to .mp4 using ffmpeg: ffmpeg -i title00.mkv -c copy -c:s copy output.mp4 Now when I try opening the .mp4 file using ...
0
votes
1answer
288 views

How to keep audio when converting to MPG with FFMPEG

I'm converting a video to MPG and the output has NO audio. I know I should specify the audio stream but can't find how in the documentation. I need MPEG as output container because I stream my videos ...
1
vote
0answers
486 views

FFmpeg dropping frames of second input file while using concat

I am currently trying to take a video file and split it into pieces that can then be encoded and pieced back together later. As a test I am trying to split a video into two pieces and then stitching ...
1
vote
0answers
424 views

ffmpeg truncates output files without return an explicit error

I am transcoding a file with a duration of 1:42:92 using an ffmpeg pipeline. The output file is truncated (its duration is 30 seconds) without any warning about the output file is shorter than the ...
3
votes
2answers
770 views

A fast way to convert multiple videos sound from AC3 to AAC without converting video

Is there a way to convert alot of video files from AC3 sound to AAC? I don't want to convert video iteself, video is okay, only the sound. I have alot of videos encoded with H.264 or mpeg4(xvid) and ...
-2
votes
2answers
4k views

How to resolve the issue of flash video downloader in chrome?

I am trying to download a vimeo video from a web page but the issue is that my flash video downloader works for some videos and for other videos ,it is disabled so how to resolve this,I have tried ...
3
votes
1answer
2k views

ffmpeg mpeg2 to MP4 H264 produces horizontal lines artifacts in motion scenes

My video input is mpeg2 video file as follows: Video: MPEG2 Video 720x576 (4:3) 25fps [V: mpeg2 main, yuv420p, 720x576] Audio: MPEG Audio 48000Hz stereo 224kbps [A: mp2, 48000 Hz, stereo, 224 kb/s] ...
1
vote
1answer
824 views

Decoding x265 HEVC more efficiently

I have an old Extreme i7 first generation with 12 threads running a PLEX server. LAtely I've started adding more files compiled using x265 over x264. I noticed that when the system runs a x265 file, ...
0
votes
1answer
177 views

Extracting audio from a video file using VLC

I am trying to extract audio from a given .mp4 file to .mp3 format. In Media>>Convert/Save, I have made setting as showed in images attached. Now my problem is: I only get *.ts format as output and ...
1
vote
4answers
12k views

How to include video (video file, not online video!) in microsoft word?

How can I include video (I mean video file that is on my hdd that will be included inside word file, not online video!) in Microsoft Word 2013/2016? I need to include it as a video that can be played ...
1
vote
1answer
132 views

Mencoder mixes 2 different subtitles when “burning-in” an srt subtitle file

I'm using mencoder (version 1.1-4.8 on Ubuntu 14.04) to encode various avi, mp4 and mkv files into smaller .avi files with srt subtitles "burned in" (to view in a portable dvd player that has very ...
2
votes
1answer
4k views

ffmpeg settings for VHS mpeg2/mp2 to H264/MP4 VBR conversion and reducing file size

My input is as follows: Input #0, mpeg, from 'D:\Videos\2015.mpg': Duration: 01:49:08.74, start: 0.220000, bitrate: 4940 kb/s Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg), ...
0
votes
0answers
85 views

How to export mp4 from Sony camcorder?

I have a Sony HDR-HC5 camcorder, and I'm trying to save a video to a cassette, and then connect it to my PC and save the video as an .mp4 file. Here is what I do: I shoot the video Connect it to PC ...
-1
votes
1answer
104 views

Convert .mp4 video file for playback on camcorder

I have a .mp4 file with MPEG4 for video and MP3 for audio that I need to convert to make my camcorder (a cheap one I got off eBay) play it back, but the only problem is that it doesn't accept anything ...
0
votes
1answer
792 views

ffmpeg video cutting error: out of sync audio

I want to be able to upload a video to a server and cut it if I want to. So, first I encode it: ffmpeg -i input.mp4 -vcodec h264 -acodec aac -strict -2 -preset slow output.mp4 Then I try to cut it: ...
0
votes
1answer
377 views

Concatenation of files with different codecs attributes?

It shows in the ffmpeg documentation the following code example: ffmpeg -i input1.mp4 -i input2.webm \ -filter_complex "[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [v] [a]" \ -map "[v]" -map "...
1
vote
0answers
278 views

(FFMpeg) Split the video by size after conversion

I have a 5,000MB long video in .mp4 format. I would like to split the video into segments by the size. For example, I set the size to 1,024,000KB, or simply 1,024MB, because I want it to be accurate. ...
4
votes
1answer
4k views

How to correctly use x265 lossless parameter with avconv

x265 has a lossless mode which is used for ultra-high bitrates with zero loss of quality. I tried using this mode with avconv as follows: avconv -i input.mp4 -c:v libx265 -x265-params lossless -c:a ...
1
vote
0answers
90 views

Handbrake: Best IPhone playable Settings for a 2:1 Aspect Ratio Video

Original Video Settings (360 Panoramic video): H264 Bitrate: 15000 kbps FPS: 48 Resolution 3820 x 1910 My current settings in handbrake are: Apple TV3 Preset Width: 1920 Height: none Anamorphic: ...
1
vote
1answer
2k views

how to convert a video to a MOV file with h264 yuvj420p and pcm u8

I want to convert some videos to be playable on a Canon digital camera. The videos from the Canon PowerShot camera have the following specifications: Video: h264 (Constrained Baseline) (avc1 / ...
0
votes
1answer
78 views

How to do a variable time scale?

I have a video where I would like to change the time scale of a video based on ratios read in from a file. I have figured out that to double the speed for an entire video I could use the setpts ...
0
votes
1answer
931 views

Handbrake doesn't keep Hi10p and HEVC after conversion

Handbrake is a great tool for me to convert media files. I noticed that my original video file (mkv, 1080p, Hi10p, HEVC) lose some quality after conversion (mp4, 1080p, 8-bit, AVC). What I've ...
2
votes
0answers
545 views

FFMPEG: Convert while file is being uploaded (an incomplete file)

I am designing a media upload function using HTML5. My design looks like this at the moment: User selects a file for upload FileApi (JS) reads this file chunk by chunk and uploads it to the server ...
0
votes
2answers
703 views

Best Practice/suggestions for capturing/encoding/formatting VHS video?

As a personal project for my family I recently purchased myself a Composite-USB converter in order to preserve many of the family's old home movies on VHS. Now, the proprietary software that the ...
3
votes
1answer
344 views

Avconv only converts a single frame when converting a GIF to WebM format

I am trying to convert GIF images into WebM videos with avconv, but I only get a single frame into the WebM video. Example GIF: I use the flowing command: avconv -i horse.gif -c:v libvpx -qmin 10 -...
0
votes
1answer
196 views

overlay with video offset not starting audio with same offset

I have a video with audio (overlayvideo.mov) that I'm overlaying over another video (basefilem.mp4) and I'm starting the overlay at 20 seconds. The output (finalvideo.mp4) looks great, but the audio ...