Media tool with support for multiple codecs, filters, and containers. Include the full, uncut console output if you have problems with an FFmpeg command.

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1answer
65 views

Extend the length of the first frame in video with ffmpeg

I am trying to lengthen the first frame of a video, and encode it to Ogg Theora using ffmpeg and ffmpeg2theora. Here is the script I have that currently works, most of the time: //Extract first ...
2
votes
0answers
82 views

IE11 not playing mp4 file

I am using ffmpeg to convert a freely available public RTSP stream to a mp4 file. I can play the file quite well in Chrome using a standard HTML5 video client on a windows 7 machine but not in IE11. ...
1
vote
1answer
63 views

ffmpeg: combine two mono live audio stream to single stereo stream

I have two live audio streams, they both are MONO streams. Now I want these two streams to merge in one stream and output to single new stream. I am merging two input streams with following command: ...
2
votes
1answer
33 views

Automated conversion of .dvdmedia(VOBs) to format Plex can handle on a Mac?

I'm super impressed by Plex, and I'd like to convert all my old dvdmedia files into a format that it can understand. I have quite a few of them (the product of a dvd library being ripped to work with ...
0
votes
1answer
27 views

Concatenation of a 2 second silence audio with a normal audio not working

I have a code for concatenation of files using ffmpeg.Here silence.wav is a mute audio file with 2 seconds length. I need to prepend this mut audio file to REC00096_Jun-06-2014 16.47.28.wav. I tried ...
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0answers
40 views

Concatenate video files with mute audio

I am using FFmpeg commands to concatenate five video files. One of the files has only video, no audio. When I concatenate the files, the video is stitched properly but I have a problem with audio: the ...
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0answers
41 views

Motion - debian 7.5 cannot record movie with ffmpeg

Description I'm running the motion 3.2.12 standard package on debian 75 (wheezy). Motions are detected, events triggered and pictures save in the correct folder as awaited. On the other side, motion ...
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0answers
10 views

No audio with :start-time

Using the :start-time (or --start-time) option with VLC on the command line usually causes no audio to be played. There seem to be "sweet spots" where it does -- e.g. vlc foo.mkv :start-time=601 ...
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0answers
16 views

Upscale any video-size while concatting multiple videos in ffmpeg

I already asked this question at Stack-Overflow, but they said I should post it here, so here it is: I looked for 2 hours through the documentation, but I couldn't figure it out. I currently write a ...
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0answers
60 views

gstreamer: stream g726 encoded audio over rtp

I am trying to stream adpcm (G726: bitrate=32kbps, sampling=8000hz), audio from a host to a client through RTP: I have tried following commands from the client(receiver) and the host(sender). Both ...
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0answers
17 views

Change Audio title from English to Sinhalese using ffmpeg

I insert an extra Sound track in my video file and it works well. ffmpeg -i news.mov -i news.wav -map 0:0 -map 0:1 -map 1:0 -pass 1 -vcodec libx264 -preset fast -b 512k -minrate 512k -maxrate 512k ...
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0answers
40 views

Error in converting audio file format from ogg to wav

I am trying to convert an ogg format file that was created using webrtc (html5 usermedia content generated on firefox) and transferred and decoded on the server into a wav file through ffmpeg but am ...
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0answers
62 views

FFMPEG DirectShow: Could not run filter

I'm trying to take a picture from my webcam using FFMpeg. This is what I'm trying to run: @echo off :: Get date and time for /F "usebackq tokens=1,2 delims==" %%i in (`wmic os get LocalDateTime ...
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0answers
22 views

ffmpeg: get smudged image after 40 seconds of transcoding

I am using ffmpeg to transcode from RTSP to RTMP with: ffmpeg -re -i rtsp://username@127.0.0.1/axis-media/media.amp -vcodec libx264 -b:v 2400k -maxrate 2400k -bufsize 600k -f flv ...
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0answers
17 views

Setting start date in gource

I'm trying to run gource from a certain date, but it reports me a 'codec not found error'. This is the command without a start date: gource -1280x720 --seconds-per-day 1 --stop-at-end --hide ...
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2answers
54 views

select ffplay audio out device

Hello I have an HDMI out and a USB sound card connected to pcduino running Ubuntu. When I run a video through ffplay, the audio out is selected by default as HDMI. How can I specify or force the out ...
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0answers
17 views

Disappearing characters between youtube-dl, ffmpeg, and cmd

so what happens is that if the video title has a symbol that isn't supported by your current locale then ffmpeg won't be able to get to that file properly. Here's one example ►2 HOURS BEST MELODIC ...
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0answers
39 views

DEBIAN / MOTION / FFMPEG not compliant - can't get up to date versions working together

Goals I'm running debian 7.5 (wheezy). In a previous post I described the problem I faced with motion 3.2.12 usage (Avcodec opening fails). To move forward I want to compile the same motion version ...
0
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1answer
83 views

How to batch multiplex audio and video track files with ffmpeg

I think that everybody knows that problem about downloading 480p & 1080p videos from Youtube, and that the only way available for many Download programs is to download the Video and Audio Tracks ...
0
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1answer
70 views

FFmpeg add multiple audio files to video at specific points

I have two audio files, each about 3 minutes long. I want to take the first 10 seconds of each file and add them each to a video file at specific points - 0 seconds and 10 seconds. So the resulting ...
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0answers
111 views

create video from jpg images using ffmpeg

I want to make short timelapse video using ffmpeg under ubuntu 12.04 LTS. I have a folder containing all images with names DSC_0000.jpg DSC_0001.jpg and so on. I found this question ffmpeg: create a ...
0
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1answer
18 views

map based on specific type of stream

Consider the following file Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'infile.mp4': Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1038 Stream #0:1(eng): Audio: aac (mp4a / ...
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0answers
42 views

VIDEO Streaming - How to output the video timestamp?

I would like to backup an ASF video stream with the time stamp (I mean the original recording date/time) on the output stream ? Usage I convert / store my video using the mkv format (Matroska) ...
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0answers
68 views

ffserver-2.2 - streaming an ASF video as OGG output with ffserver on Debian 7.5

I'm trying to stream an IP webcam ASF live stream to a ffserver to output an OGG format. The server starts successfully but the ffserver commands used to feed the ffserver fails with a segment fault. ...
0
votes
1answer
59 views

Encoding H264 with windows ffmpeg results in first few seconds being “blocky”

I am using the following code to transcode a 10mbps high quality 1280x720 H264 mp4 into a lower quality H264 mp4 with our logo watermarked on the video. ffmpeg.exe -i test.mp4 -i watermark.png ...
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0answers
7 views

ffmpeg: Convert any Video to padded and scaled 720p

I looked for 2 hours through the documentation, but I couldn't figure it out. I currently write a script and now I need to concat up to 10 videos with different ratios/framerates/codecs/size etc. ...
0
votes
1answer
26 views

Sync two movies, frame-accurate?

Given video recordings made on two (or more) cameras such as gopros or keychain cameras, and given a "clapperboard" event in each recording, what is a simple way to trim each recording to start with ...
0
votes
1answer
79 views

Receiving FFMPEG error -22 when piping data to stdout

I am attempting to use FFMPEG to transcode avi files to mp4 and pipe the data to stdout using the following command (technically through NodeJS, but I receive the same error when executing the ...
0
votes
1answer
62 views

merging video and audio with custom panning

I have: a video which has mono audio inside a audio (mono) I'd like to merge those two to a single video file containing: video from #1 audio from #1 full left pan + audio #2 full right pan Is ...
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0answers
19 views

How can the user-time be so much higher than my real-time when I run ffmpeg on my Mac OS X?

I recently installed ffmpeg on my Macbook Pro, which has 1 processor with 4 cores. I ran a command to convert a video (and timed it), roughly like: time ffmpeg -threads 2 -i blah.mp4 -c:v libx264 ...
1
vote
1answer
28 views

FFMPEG cut for time range

I am using below command for having 15sec - 45 sec range of music but sample.m4a file is starting from 15 sec to 60 sec. Am i using wrong syntax or why it is so ? ffmpeg -ss 00:00:15 -t 00:00:45 -i ...
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0answers
96 views

ffmpeg - complex filter putting 2 videos side by side results in audio out of sync

We have 2 videos. One is a professionally produced video by an artist that performs a song stopping in certain parts to let the user sing. The second video is a stream that is recorded while the user ...
0
votes
1answer
111 views

Improve ffmpeg command for MKV to MP4 for iPad?

I have many MKVs made from DVDs and BRs by MakeMKV that I converting to MP4 so I can play/stream on my iPad Air. I now use this command for converting my MKVs to MP4: ffmpeg -i input.mkv -strict ...
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0answers
40 views

Keep album art with ffmpeg while cutting a mp3 file

i try to cut a mp3 file but also keep its album art with ffmpeg. I found out that if the cut begins from 00:00:00 it does keep the album art, if not it does not keep it. I get an error message : ...
0
votes
1answer
381 views

ffmpeg: Converting MKV to MP4 lossless

I'm new to ffmpeg (windows), and need some help. I want to convert my MKVs to MP4 with as little loss in quality as possible. The MKVs are made with makemkv, and contains among others DTS soundtrack. ...
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0answers
1 views

.swf file gets cut short after conversion to mp3 with ffmpeg

So I have a .swf file which i need to convert to .mp3 (or any other audio file), it looks like this: vytautas@vytautas-SATELLITE-C660:~/Desktop$ ffmpeg -i rem.swf ffmpeg version 2.2.git Copyright (c) ...
1
vote
1answer
82 views

using ffmpeg to convert mxf to yuv

I am trying to convert mxf file to yuv using ffmpeg. I gave the following command : ffmpeg.exe -i eldorado_really_cutdown.mxf output.yuv but I am getting some errors. This is the output I am getting ...
0
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0answers
48 views

ffmpeg how do I use movflags with the segment muxer?

If I encode a file like this: ffmpeg -i input.mp4 -movflags faststart output.mp4 The moov atom is shifted to the start of the output file as expected But when using the segment muxer like this: ...
-1
votes
1answer
40 views

Play FFMPEG while downloading

My internet connection is too slow for streaming videos. However, i found a way to download m3u8 files, which are used for streaming media, and I use ffmpeg to download and transcode the video via a ...
1
vote
1answer
59 views

Apply fadeout effect to video at multiple places

I have a video of 12 seconds, frame rate is 30 frames per second. I want to apply fade out effect to video on multiple places, for example from second 3rd to 4th and from second 7th to 8th. Have a ...
0
votes
1answer
80 views

Side by Side Videos with faster frame rate

I have been able to combine two videos into one single video with a side by side overlay and I have been able to increase the framerate for a movie but I cannot figure out how to do both. I have ...
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0answers
20 views

Playback multiple (three) videos, with different starting point, side by side synchronized?

This question is similar to, but not the same as: How to play multiple videos side-by-side synchronized? Difference is that videos I try to playback has different/offset starting point. The answers ...
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0answers
81 views

Play two files in VLC dummy and give sout parameters to both of them

I want to add multiple files to VLC's web interface. And the commands below do exactly that. Two files are added to the VLC's web interface's playlist. But as you can see, that's not all I wanted - ...
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0answers
46 views

Audio and video streams merging

I receive two streams. One of them is audio and the second is video. After that i mix them and send like "rtmp" stream. But the problem is video stream falls every 3-4 minutes and i need that "ffmpeg" ...
0
votes
1answer
45 views

FFmpeg map optional (audio) stream

I use this command to produce a file scaled and with an overlay image: ffmpeg -i input.* -i overlay.png -filter_complex "[0:v]...; ...[1:v]overlay=... ... [resultingvideo]" -map "[resultingvideo]" ...
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0answers
41 views

ffmpeg slow down video and audio leads to garbled audio

I am using this command: ffmpeg -i test-video.mp4 -filter_complex "[0:v]setpts=(2/1)*PTS[v];[0:a]atempo=.5[a]" -map "[v]" -map "[a]" slow-output.mp4 And the audio that comes out is very "digital" ...
0
votes
1answer
23 views

Visual FFMPEG Crop?

Is there a way to get a 'preview' of an ffmepg command to see how the current crop settings would look on an exported video? If not I'll use handbreak as it has a visual preview window when cropping ...
2
votes
1answer
39 views

Is is possible to join H.264 streams encoded with different parameters?

The following commands generate two H.264 video clips, 10 seconds each, with different preset parameters (veryslow vs veryfast), and join them into one single MP4 container. $ ffmpeg -loglevel quiet ...
0
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1answer
41 views

Lossless gain audio

I came across this answer How can I normalize audio using ffmpeg? However this involves transcoding the audio stream. I know that programs like MP3Gain AACGain can adjust the volume losslessly, ...
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votes
3answers
33 views

Let user '_www' execute binary in /usr/local/bin

Total *nix n00b, so I apologize in advance. I installed ffmpeg through homebrew, now I want to call it from a PHP script with shell_exec(), e.g. ffmpeg -v. But nothing is happening. From Terminal it ...