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
41 views

ffmpeg: video is not creating for uneven pixel ratio images

I am using ffmpeg to create a video using images, its creating video for uniform images (ie all the images should be same pixel ratio). It doesn't work for images that vary in frame size: it is ...
0
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0answers
91 views

Extract frames from video and set timestamp on images

I want to extract frames every 10 seconds from a video and geotag these frames using a GPX track. On my Windows 8 computer I have tools to extract the frames (FFMPEG), set image timestamps (ExifTool) ...
0
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1answer
143 views

create video from single jpg and no audio

For a time lapse video project I want to create a header (with some title text). The header is just one still image which I give as jpg. I have seen other answers that produce still image video from a ...
2
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0answers
123 views

ffmpeg does not work but VLC does

I am trying to read a streaming (http://150.161.93.174:8080/stream) using ffmpeg The streaming works perfectly when I try it in VLC. But in ffmpeg I get an error: http://150.161.93.174:8080/stream: ...
2
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0answers
111 views

crosstool-NG can't retrieve cloog-ppl

I am trying to build a cross-compiler for my Raspberry Pi to ultimately compile ffmpeg for it and I am following this tutorial. After having configured ct-ng and upon calling nt-cg build it fails and ...
0
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1answer
42 views

FFMpeg filters compilation on CentOS

I have compiled FFMPEG on CentOS 6.6 using this guide: https://trac.ffmpeg.org/wiki/CompilationGuide/Centos But, whenever I issue command ffmpeg -filters The output is FFmpeg version 0.6.5, ...
2
votes
1answer
101 views

using ffmpeg concat on slideshow videos

I am using ffmpeg to build time lapse animations from still images. The first image is repeated to create a header. Next steps is to concatenate header plus time lapse for final video. Both header and ...
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0answers
152 views

My ffmpeg stops streaming after a few seconds

I am using ffmpeg. I type this in a DOS Prompt: ffmpeg.exe -i rtsp://admin:admin@192.168.0.8:554/video_1 -an -f image2pipe -vf fps=fps=6 -qscale 0 - It works but then just stops. So, I amended ...
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1answer
325 views

Creating a log file for my ffmpeg output

I am trying to find out why my rtsp dos command using FFMPEG is 'freezing'. Ihave been told I would have more luck on SuperUser but I have been told to produce a log file 1st. I have looked and I ...
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0answers
112 views

Streaming desktop with FFmpeg

I can stream in a file or to twitch.tv with stream2address() { INRES="1920x1080" # input resolution OUTRES="1920x1080" # output resolution FPS="15" # target FPS GOP="30" # i-frame ...
1
vote
1answer
135 views

ffmpeg and iFrame output and quality of JPEG

I was looking for a solution to a problem and on my travels I cane across something linked to what I was doing which prompted a 2nd question. I bundled both these questions here. If I should not I ...
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0answers
117 views

ffmpeg - slideshow image duration issue

I've created a video slideshow from images. From the docs it says: In this example each image will have a duration of 5 seconds (the inverse of 1/5 frames per second). ffmpeg -framerate 1/5 ...
0
votes
1answer
70 views

ffmpeg How to draw a box at the bottom of the video

From the docs it's pretty straight forward how to create a box at the top with the y=0 drawbox=x=10:y=0:w=200:h=60:color=red@0.5 But how can I draw the box at the bottom?
1
vote
1answer
82 views

Ffmpeg chain references to other parts of the command for dynamic watermark size

I have been reading the ffmpeg documents for a while now. But I can't seem to wrap my mind around how the filters, naming and backreferences work. Or whether what I want is even possible. I am ...
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0answers
51 views

Show multiple text using ffmpeg

I've created a video slideshow (http://humor15.com/media/out2.mp4) from images with a background image but I'm looking for a way to be able to change the text at the top in that case "Eterni-T" for ...
0
votes
2answers
274 views

ffmpeg dyld: Library not loaded: /usr/local/lib/libmp3lame.0.dylib

I am getting this error when running ffmpeg on OSX Yosemite 10.10.2 ffmpeg dyld: Library not loaded: /usr/local/lib/libmp3lame.0.dylib Referenced from: /usr/local/bin/ffmpeg Reason: image not ...
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0answers
79 views

Trying to connect windows named pipes to ffmpeg input pipes

I have the following input options in my ffmpeg command line: -i \\\\.\\pipe\\videopipe -i \\\\.\\pipe\\audiopipe The full command is this one: ffmpeg -r 24 -pix_fmt rgba -s 1280x720 -f rawvideo ...
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0answers
73 views

Video color is different in different programs. Which one is correct?

Someone on Reddit made a gif. I decided to try remaking the gif. My gif is not the same color as their gif. I opened the video source of the gif in VLC and MPC-HC, took snapshots using the program ...
0
votes
1answer
133 views

Video takes long time to start

I use this command to convert video using ffmpeg on phpvibe: unfortunately the videos take a long time to start on firefox so I'm looking for a command to move the video's atom to the beginning so ...
1
vote
1answer
99 views

Show multiple images using ffmpeg

I've created a video slideshow from images with a background image but I want to be able to add another picture at the bottom left of the video. How can I make the -i "C:/test/logo.png" show at the ...
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0answers
141 views

ffmpeg watermark with opacity

I can easily add a watermark on my video, but this watermark is on opacity 100%: ffmpeg -i aa.mov -i image.png -filter_complex 'overlay=10:10' bb.mp4 But how to make the image file have an opacity ...
0
votes
1answer
65 views

How to remove words “Video” from a video with ffmpeg?

I use ffmpeg to make a movie with 100 images *.png, but in the produced movie video.mov, there's big word VIDEO.mov at the bottom of my movie and it covers some of my info within the images, how can I ...
0
votes
1answer
120 views

ffmpeg atempo filter not working

When I run the following: ffmpeg -i input.mp3 -filter:a "atempo=2.0" -vn output.mp3 I expect output.mp3 to be twice as fast (and half the length) of input.mp3, but it is exactly the same speed and ...
1
vote
1answer
152 views

batch file for hardcoding subtitles in multiple videos with ffmpeg

My question at the top: What is the correct way to refer to a dynamic file name for the ass filter when using -filter_complex in ffmpeg? The story and my attempt: I have a folder that contains ...
1
vote
1answer
276 views

Insert background image using FFmpeg

I've just started using FFMpeg and I'm trying to create a video slideshow from images with a background image. The background would not change only the image. Similar to this: I have the following ...
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0answers
66 views

How to constrain/stretch a video to a fixed duration using ffmpeg or avconv?

So I have a few hundred clips of videos, about 1 to 5 seconds each, that I'd like to all play at 2 seconds each...this means for the 1 second videos, they get stretched out, and the 5 second videos, ...
-1
votes
1answer
134 views

FFMPEG conversion from webm to mp4 intermittent on Ubuntu 14.04 [duplicate]

I am trying to convert .webm file that we get from google's screencastify to .mp4 file. I need it to be playable using Windows Media Player. I need it the file to be playing with all the WMP versions ...
0
votes
1answer
64 views

Connecting PAL camera to pc and working with the feed

I have an ancient analog camera which has the classic PAL analog output. I want to get this feed, display it on the computer's monitor and save the stream on the pc hard drive. I know that if it was ...
0
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0answers
217 views

how to generate multiple bitrate HLS content from live rtsp stream?

I am gerating single bitrate live hls content from live rtsp stream . I am using the following command ffmpeg -v verbose -i rtsp://127.0.0.1:8080/test.sdp -vcodec libx264 -acodec aac -ac 1 -strict -2 ...
1
vote
1answer
107 views

FFMPEG drawtext filter - get total width of text string so that it can start off stage

I have the following FFMPEG command which simply wipes text from left to right. What I am trying to do is determine the total width of the text string so I can subtract this amount from the x position ...
3
votes
1answer
142 views

Loop text that wipes left to right using FFMPEG drawtext filter

I have the following FFMPEG command which correctly wipes text across the bottom of a video. ffmpeg -y -i test_small.mov -acodec libmp3lame -vcodec libx264 -pix_fmt yuv420p -b:a 192k -b:v 1400k -ar ...
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0answers
14 views

FFMPEG drawText horizontal scroll start and end completely off stage [duplicate]

I have the following FFMPEG drawtext command which scrolls some text from left to right ffmpeg -y -i test.mov -acodec libmp3lame -vcodec libx264 -pix_fmt yuv420p -b:a 192k -b:v 1000k -ar 44100 -vf ...
0
votes
1answer
282 views

Creating video containing animated text using FFMPEG alone

I doubt this is possible, but am trying to find some way to 1 dynamically render text, and then 2 optionally animate it (simple left to right movement) and then 3 composite the result on top of ...
0
votes
1answer
188 views

Lossless H.264 MP4 file created from images cannot be played in QuickTime

I'm trying to find the optimum settings for creating a .mp4 file that will load easilly both on Mac and Windows. Right now with these settings f image2 -pattern_type glob -i '*.png' -vcodec libx264 ...
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votes
1answer
114 views

how to upgrade ffmpeg to latest version in centos 5.11?

I have CentoS 5.11 installed. and ffmpeg 0.10.2 [ [root@cs1590 ~]# ffmpeg ffmpeg version 0.10.2.git Copyright (c) 2000-2012 the FFmpeg developers built on Jun 5 2012 08:51:26 with gcc 4.1.2 ...
0
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0answers
22 views

ffmpeg output video doubles duration time [duplicate]

So i modify an audio file and trim some parts from the beginning and end of it, but when i check the file duration MAC OS -> right click -> get info, its duration time went up to 07:09, its supposed ...
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votes
3answers
667 views

Conversion from WebM to MP4 in Ubuntu is slow and bad quality

I have used the command ffmpeg -i input.webm -q:v 10 -c:a copy out.mp4 I also tried using avconv instead of ffmpeg. The conversion is successful but the quality is bad. Also it takes a lot of ...
2
votes
0answers
45 views

Ffmpeg - How to zoomin a video from the center [duplicate]

I'm trying to make a video from an image and I want to add a zoom effect on the center. The input image is 640x360. The command I'm using is: ffmpeg -framerate 25 -loop 1 -i 46686405.jpg -vf ...
0
votes
0answers
53 views

Mix 2 audio files and adjust volume

I am trying to mix two wave files background.wav (10 sec) and message.wav (5 sec). I want the volume of background.wav to reduce to 0.5 when message.wav is playing, so that the message is clearly ...
0
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0answers
83 views

layering video with ffmpeg using black color as mask

I've got two videos (in.mp4 / layer.mp4). The layer.mp4 video contains stuff and pure black color. I wonder how I could use filter to remove the black and replace by alpha. I'm trying to use ...
1
vote
1answer
103 views

Proper DVD rip for serving via UPnP

I am a happy user of minidlna (version 1.0.24) on an old Mac Mini G4. It does work quite well in my environment. Since minidlna does not allow transcoding, I would like to rip a set of DVDs (mostly ...
0
votes
2answers
195 views

How to combine WebM and Opus to generate MP4?

I am using following command but it is giving wrong output. ffmpeg -i video.webm -i audio.opus -c:v copy -c:a aac -strict experimental output.mp4 Output: ffmpeg version 1.2.6-7:1.2.6-1~trusty1 ...
0
votes
1answer
59 views

Error when trying to convert 2-channels sound file to mono using sox or ffmpeg

When I tried: sox file.wav -c 1 file.wav I got: sox WARN wav: Premature EOF on .wav input file When I tried: ffmpeg -i file.wav -ac 1 file.wav I got: [pcm_s16le @ 0x2997880] Invalid PCM ...
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0answers
106 views

Using ffmpeg for mp3 conversion: could not find codec parameters / unspecified frame size

I have an mp3 file that I can't play with any of my audio players that I have on Windows 8, so I decided to convert it using ffmpeg. I downloaded it from a website, which was able to play the mp3. I ...
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0answers
167 views

ffmpeg or video codec

I have this problem but I don't understand if is a codec or wrong ffmpeg profile. I'm viewing a video in a web player (videojs). From some PC video work good but, from other PCs, with the same version ...
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0answers
49 views

MJPEG format not working

Gphoto2 captures live preview frames from cameras and store them as a MJPEG encoded movie. For some reason, nothing besides ffmpeg works with it as it should, all programs just see the first JPG ...
2
votes
2answers
274 views

FFMPEG extract audio with exact frame length of video

For a digital cinema package I need to extract the audio track (.wav, 48000 khz, 16-bit) from Quicktime movies (in this case with Prores or Photo-JPEG codec). The catch is that the duration of the ...
1
vote
1answer
56 views

What does the at symbol (@) with IPs mean in ffmpeg and vlc?

In vlc, ffmpeg, and mplayer, I see some docs and forum posts that start an IP with an at symbol, e.g., udp://@239.192.1.31:1234. Other times, I see it used to replace localhost, e.g. rtp://@:8005. ...
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0answers
294 views

How to add zoom in effect to a video?

I'm working in a project where I should generate a video, from an input set of videos or images. The problem is when I generate the video I must add a zoomin effect to each input element. I solved ...
0
votes
0answers
94 views

Multiple Outputs using ffmpeg

I need to convert an audio file(.mp3) to another format(.wav) & also to http stream. I'm using this to convert to 2 different files at a time. ./ffmpeg -i test.mp3 -c:a mp3 -f tee -map 0:a ...