The video-conversion tag covers software & formats related to converting videos from one format or container to the other.

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317 views

How can I repair a damaged H.264 video stream from a security camera?

I have a security camera file in H.264 format. It cannot be converted due to error messages stating the file is damaged. Is there any way to repair this single 12 MB file so it can be converted to a ...
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1answer
2k views

Connect LCD to TVBOX to set top box to play HDTV

Hi I have a really old LCD monitor that supports only VGA or DVI-D. I want to use it to play HDTV so I bought a set top box, which supports outputs 1. Composite 2. Component YPbPr 3. HDMI. Because ...
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1answer
260 views

ffmpeg cannot convert gray video to avi

I would transcode a GRAY or YUV400 video file into an AVI (YUV420P). My input file is 1920x1080 Y only, its size is 22809600 => 11 frame. I used the following command line but ffmpeg generate an AVI ...
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1answer
5k views

Use ffmpeg copy codec to combine *.ts files into a single mp4

I've got a bunch of ts segments described by a single index.m3u8 file: index.m3u8 segment1_0_av.ts segment2_0_av.ts segment3_0_av.ts segment4_0_av.ts segment5_0_av.ts I know they ...
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2answers
116 views

Convert Blu-ray movie to DVD quality [closed]

I have a 30GB .mp4 file (personal full HD movie) which I want to convert to a DVD quality (4.7GB) movie. What is the best way/tool to do that?
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0answers
403 views

ProRes transcoding in ffmpeg too slow

We are trying to transcode movies / clips into ProRes LT by using following options: ffmpeg -threads "16" -i "$2" -flags +ildct -vcodec prores -profile 1 -qscale 4 \ -threads "16" -r 24 -vf ...
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0answers
96 views

Join AVI and WMV into an AVI

I have a WMV files and two AVI files I need to concatenate into one video file as an AVI file. What the quickest and easiest way to do this on OSX?
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1answer
124 views

Append audio file to videos

I have the following files: 01.mp4 G:\>ffmpeg -i 01.mp4 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '01.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: ...
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0answers
258 views

Creating a movie from images using ffmpeg but getting only one frame

I read How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG (specifically the section "Compressed RGB, But Also Lossless") and used this command: ffmpeg -i *.png ...
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2answers
355 views

FFMPEG add audio track while converting video formats

Background I need to convert AVI files to H264 (MP4). I am successfully doing so with the following: -i mymovie.avi -c:v libx264 -crf 19 -preset slow -c:a libfaac -pix_fmt yuv420p -f mp4 -b:a 192k ...
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2answers
1k views

Extract HEVC bitstream with ffmpeg

I would like to extract the raw .265 bitstream from HEVC mkv file. I use this: ffmpeg.exe -i hevc.mkv -an -vcodec copy -f hevc bitstream.265 I got this error: Requested output format 'hevc' ...
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1answer
2k views

ffmpeg - concatenating two MP4 files results in bad output file

I generated two MP4 files - a five-second intro file, which is created by the script below, and the main video (about one minute long) is created by screen-cast-omatic, both in MP4 format. When I ...
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1answer
269 views

Cropping video to different parts with same bitrate in ffmpeg

I am trying to crop a video clip (originally 960 by 540) in two 4 parts (top-left, top-right, etc..) and I use this command below (with of course corrext x/y positions): ffmpeg -i mov_a.m4v -vf ...
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1answer
2k views

How to create video from images and audio file?

To make the story short, I just want to create a video from a X number of images and a mp3 file, AND get the same audio quality. I've checked the ffmpeg website, but ... here is what I've got: ...
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2answers
167 views

Automating video generation by adding an intro and a trailing video to the main video

I have a video project I am trying to compile. Here is the overview: I have many videos which are 5 minute training sessions - Main video. The Intro Video will be a standard 5 second video that will ...
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0answers
123 views

How does one take an MPEG4/MP3 AVI and re-encapsulate it in MP4?

I've been trying to take an old AVI file I have that has an MPEG4 video with MP3 audio and re-encapsulate it in an MP4 container. The audio was easy enough to figure out (-acodec libfaac), but I don't ...
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61 views

Are portable USB DVD drives equally capable as SATA drives for ripping DVD's?

I'm currently archiving my physical DVD collection to a media server. My desktop PC currently has a DVD drive but it's awkward to get at due to where the PC lives under my desk. I'm thinking about ...
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1answer
1k views

Resizing with avconv causes pixellation in output

I am trying to resize a video from 1920x1800 to 1280x720 for phone viewing. This is the command I used: avconv -i input.mkv \ -map 0:v -map 0:a:1 -map 0:s:0 \ # map video, 2nd audio stream, and ...
0
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1answer
575 views

What is the fastest and best way to convert an rmvb video to mp4/mkv without losing any quality?

The file will be played in a Popbox3D. My old method was to convert the video using vidcoder (an offshoot of handbrake) using normal settings, but I've recently confirmed that this significantly ...
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1answer
96 views

How to convert SBS 3D to Blue Ray 1080?

Can anybody help me to convert a SBS 3d movie to any format like .mkv or .wmv or .avi in a high quality format. I accidentally downloaded a movie and i dint know about the SBS 3D , now its very ...
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1answer
142 views

How can I use an audio file without having to re-encode it to output an audio stream with the same format?

I have two input files, a still image that's going to repeat itself as frames and an audio file. How can I use the audio file without having to re-encode it to output an audio stream with the same ...
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1answer
412 views

FFmpeg x264 Encode Settings

My new Canon Vixia HF G30 video camera has an option to encode directly to 35 Mbit/sec Mp4 at 1080p60 and it does a nice job. I primarily use it to record my daughter's high school basketball games. ...
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1answer
2k views

What file extensions does ffmpeg support?

I'm trying to extract a subtitle from a Blu-ray disc and it is an hdmv_pgs_subtitle. So I try ffmpeg -i file.m2ts -map 0:3 -scodec copy rip3/test.sub and get Could not write header for output ...
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1answer
3k views

Burn-in subtitles with avconv?

I have a mkv file and want to convert it to an DVD compatible mpg file with avconv. How can I also burn-in one subtitle stream from the same mkv file? avconv -i input.mkv -map 0:0 -map 0:1 -target ...
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0answers
996 views

ClipBucket file for preset 'normal' not found, failed to stat file in ffmpeg

I am trying to fix my ffmpeg problems. When I upload any video it gives me an error that the file for preset 'normal' was not found, and it failed to stat the file. Any idea? Started on 2013-09-10 ...
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1answer
428 views

clipbucket Unknown encoder 'libfaac'

I am using CB script when i upload any video after uploading it give file to processing this my loge Started on 2013-09-06 20:23:00 - 2013 Sep 06 Checking File .... File : ...
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1answer
1k views

ffmpeg combine separate video and audio of different lengths

I have 2 video files (flv). One has the video and the other has the audio. I wrote a script using ffmpeg that extracts the audio as mp3, then merges it with the video flv. It works, except that my ...
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1answer
131 views

Get black picture when using frei0r filter with ffmpeg on Mac OS

When trying to add a perspective filter on a video using ffmpeg I get a black picture with sound when the resulting format is MP4. ffmpeg -i 2416593.flv -vf "frei0r=perspective:0.2/0.2:0.8/0.2" ...
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1answer
4k views

Convert specific video and audio track only with ffmpeg

I have an MKV file (vidui.mkv) with 6 tracks in it. Track 1 - video - xvid - 1920x1080 Track 2 - video - xvid - 720x576 Track 3 - audio - AAC - 1240kbps - English Track 4 - audio - AAC - 648kbps - ...
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1answer
1k views

What is the maximum and minimum of 'q' value in ffmpeg?

When extract a image from a Video via ffmpeg, can get message like below. frame= 1 fps=0.0 q=2.5 Lsize=N/A time=00:00:00.03 bitrate=N/A and that 'q' value means "quality of coded frames". I ...
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2answers
1k views

converting a static file to a h264/mp4 stream produces sped up video

I'm building a NodeJS application that converts a static videofile to a streamable video which is being sent to a client (iPad or browser) on the fly (using the fluent-ffmpeg module). Everything is ...
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0answers
665 views

Using ffmpeg, can I burn in subtitles directly from an mkv subtitle track instead of a subtitle file?

I have an mkv with multiple subtitle streams. I know I can use mkvextract to extract one of those subtitle streams to a file, for example, sub.srt. I can then burn those subtitles into the new video ...
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1answer
1k views

FFMPEG for animation of image files outputs all-black video

I am trying to create an animation of a few images ("f_01.png", "f_02.png", ..., "f_08.png") that are each a different solid colour, but it always outputs a video entirely made up of black frames. ...
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0answers
417 views

FFmpeg missing frame after H264/TS to RAW/AVI

While converting a H264/TS to a RAW/AVI with ffmpeg -i in.ts -vcodec rawvideo -pix_fmt yuv420p out.avi I found that the output AVI file had less frame than expected. It may come from PTS error in ...
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3answers
131 views

dividing a video clip by 4 areas

I am working on a program that can playback a video clip in 4 phones. For this I need to supply each phone with a part of the video clip. Lets say I have a 1080p clip and I have 4 phones. Then I want ...
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1answer
470 views

FFmpeg fails to stream to FMS 4.5

I'm attempting to use ffmpeg to transcode an input video from whatever format it's in to an mp4 with h.264 video and MP3 audio and have the output go directly to FMS 4.5 using rtmp so the video will ...
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0answers
30 views

Blank video when converting uncompressed AVI files with ffmpeg [duplicate]

I'm having a problem converting Uncompressed AVI files with ffmpeg. I can convert a .mp4 video without issue, but when I attempt to run the same command on an uncompressed .avi everything looks fine, ...
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1answer
40 views

When encoding a video, is there a way to know the resulting file size in advance?

Is there a way to know how large your resulting file size will be before your video is finished encoding? BTW: I am using Microsoft Expression Encoder.
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1answer
310 views

Muxing private streams into/from MP4 and MPEG2TS with ffmpeg

Suppose I have a private media stream (neither audio nor video nor subtitles) and I want to mux that into an MP4 or MPEG2TS file with ffmpeg. Is it possible without source changes? Or do I have a ...
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2answers
8k views

Multiple File Conversion with VLC media Player

I have to convert a number of video files to audio format but its very painful and time consuming to convert them one by one. Is there a way to convert them in a batch with VLC player?
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0answers
435 views

Use avconv to convert iMovie DV streams to other formats

I have a bunch of DV streams that were imported from a DV camcorder using iMovie. Unfortunately, neither avconv nor VLC seem to be capable of converting these files correctly, whereas QuickTime ...
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2answers
451 views

movie conversion program that preserves embedded subtitles in .mkv files

I am looking for a movie conversion program to convert mkv movies with embedded subtitles to be put on iOS devices. While there are various tools readily available such as Free Studio, etc, these ...
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2answers
22k views

How to Add/Remove subtitles in an MKV file?

I have a good quality MKV file that has several subtitle options. I want to add an additional subtitle file to the list. Some search online led me to use video converters, and basically re-encode the ...
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1answer
489 views

How to output to both mp4 and mpegts

Using h264 and aac, I've been trying to generate an mp4 and mpegts output in one command using the new tee muxer. Either it complains about a lack of the aac_adtstoasc bsf, or if global_header is set ...
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0answers
720 views

Convert stream file (mux) to mp4 gstreamer

I used a program to capture my screen (called Kazam for linux). My computer crashed and I lost my screen capture which I cannot recreate. I found two files that seem to hold my video, a .mux and ...
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1answer
3k views

Converting with ffmpeg a .mov to uncompressed .avi results in a black screen in virtualdub

I am trying to convert a .mov to an uncompressed .avi with ffmpeg. As I want no quality loss, I am using the following ffmpeg command: ffmpeg -i toto.mov -vcodec copy -y toto.avi The convertion ...
4
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1answer
933 views

How to convert 1080p to 1080i video using ffmpeg

I am using ffmpeg, trying to convert 1080p to 1080i. I know that -vf tinterlace should do that, but I don't know the exact syntax of use. Currently I'm trying this: ffmpeg -i <input file.mp4> ...
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1answer
203 views

Video processing to support different web players and qualities

I am trying to accomplish something similar to YouTube player. The biggest issue I'm facing now is how should I process user uploaded video files. For example, since I want to switch between 240p, ...
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0answers
205 views

No video is written in for some part of video as the segmentation from FFmpeg

I am segmenting a 20 minutes long video to hundreds of small clips . The command is like ffmpeg\\ffmpeg -i nx_1.avi -ss 399.37 -t 1 ka1_2.avi The ffmpeg is in a subfolder. It works very well for ...
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2answers
413 views

Ripping DVD's for iTunes and 5.1 sound

I have spent the past few days trying to find a solution here. I want all my DVD's on my pc so as my DVD's can stay new and scratch free. I started out with the trial of DVDfab. Things seemed to be ...