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0
votes
1answer
31 views

How can I automate converting AVIs to mp4 and stuff them in iTunes?

I know I can use Handbrake to do this all by hand, but I'd like to automate the process. I'm on a Mac, so as a first step, I've tried downloading ffmpeg for the Mac but it's a nightmare to get it ...
2
votes
1answer
72 views

Unable to cut out part of video with ffmpeg

What I want to do I'm trying to cut a video for a science project under Ubuntu 11.10 with latest ffmpeg, I also tried Kino and avidemux where the video failed to even open properly although it plays ...
2
votes
1answer
48 views

What parameters should I be looking at to reduce the size of a .MOV file?

My Canon 60D creates .MOV files when recording video and I've found out that the .MOV container has an H264 video stream and a PCM audio stream. I've used ffmpeg and GSpot to look at some of my ...
1
vote
1answer
61 views

x264 encoding speed, what should my expectations be?

I am running Ubuntu 10.10 (maverick) on an HP Pavillion dv3 with core2duo 2.29 GHz, NVidia Geforce G105M (512MB) with CUDA and 4GB RAM. I have the latest versions of ffmpeg and x264. I recognise that ...
1
vote
2answers
59 views

Progressively Accelerate Video with ffmpeg

I'm currently trying to make a time lapse video. This can be done fine with iMovie, however, I'm having one simple issue. Is there any way to accelerate a video progressively with any open source ...
2
votes
1answer
78 views

Low-latency streaming using ffmpeg

Recently, I'm trying to stream a remote desktop using ffmpeg. The goal is to being able to send what is shown on one of the computer's screen to another computer while being able to choose settings ...
0
votes
2answers
137 views

How do I install ffmpeg on Windows 7

I'm using Windows 7 and Zend server for my PHP.I have fed up completely searching and trying every methods of installation found on internet. Luckily, I installed it well on my Ubuntu machine at my ...
2
votes
1answer
88 views

Use DivX settings to encode to mp4 with ffmpeg

I'm used to use VirtualDub to encode a video to AVI container with DivX-codec (and MP3 for audio). Now I'm planning to use ffmpeg to encode videos to MP4 container with h264-codec. What I've figured ...
0
votes
1answer
54 views

Using ffmpeg to generate 10 images from one video

Anyone knows a command to use ffmpeg in order to generate 10 images from one video file? This command for example would generate a jpg image for every frame, but idealy I would like 10 images taken ...
1
vote
0answers
42 views

Convert interleaved video into separate left/right videos

I'm trying to make two files from video recorded on 3d camera and can't find how can I separate one video onto two. ffprobe video.m2ts gives me Input #0, mpegts, from 'video.m2ts': Duration: ...
1
vote
0answers
141 views

Dump/load metadata with FFmpeg (WMA to MP3)

I need to convert WMA metadata into MP3 ID3 tags. FFmpeg should be able to dump them into a file and load them back to another using implemented mappers. I cannot find syntax of usage though: ...
0
votes
3answers
62 views

Cut part from video file starting from startpos to endpos (ffmpeg)

I have a video file of 30 minutes, but I want to extract a video from 00:09:23 to 00:25:33. I can define the startposition with -ss, but I couldn't find one for the end position. Any help please?
1
vote
1answer
53 views

Lower mp4 file size

I have couple of (over 100) mp4 video files, which are approximately 15 MB each. I think they are unnecessarily high quality videos, I want to lower the sizes of each, by reducing the quality. I know ...
1
vote
1answer
93 views

Aspect ratio of video sliced with FFmpeg unintentionally changes

I am trying to extract a small part from a larger video without changing the codecs, resolution or something else. Therefore, I use FFmpeg with the following settings. ffmpeg -vcodec copy -acodec ...
1
vote
1answer
50 views

Resources To Use FFMPEG Effectively

Lately i've posted a lot of questions about how to use ffmpeg. It's pretty clear to me that I am missing some sort background in video encoding and was wondering if any of my fellow superusers had ...
1
vote
1answer
104 views

FFMPEG converting from m4v to mp4 does not stop processing

I'm using ffmpeg to convert various types of video files into mp4s. The command I use works for most video files I've encountered, however when it encounters an m4v it never stops processing the ...
1
vote
2answers
85 views

ffmpeg hangs while transcoding .dv to .mov

I'm transcoding a bunch of files from .dv format to .mov I already transcoded a bunch of them, but now ffmpeg keeps hanging. It transcodes in one case up to 2 min 06 sec (out of 2 min 44 sec) and ...
0
votes
1answer
52 views

Undefined reference to _aacplusEncOpen

Following is the copy of my config.log file-> http://pastebin.com/embed_js.php?i=UyTBTTZv Following is copy of configure file-> http://pastebin.com/embed_js.php?i=2c15zppN Additionally: As of now ...
1
vote
1answer
299 views

Command encoding h264 baseline profile, level 1, with FFmpeg and libx264

Can anyone suggest a command to encode video to h264 baseline profile (level 1)? Here is a link for reference: http://blog.mediacoderhq.com/h264-profiles-and-levels/ I used this command but FFmpeg ...
0
votes
1answer
217 views

Error using ffmpeg to convert mkv to avi on Windows 7

I am using ffmpeg on a Windows 7 machine. I am trying to convert mkv files to either mp4 or avi. Here is the command I used: ffmpeg -i "C:\Path\To\Input.mkv" "C:\Path\To\Output.avi" Here is the ...
1
vote
1answer
89 views

Reencoding MXF (OP-1a) XDCAM HD422 MPEG into something useful

I am a bit desperate at this point. I have a video file in the MXF container format. MediaInfo identifies it as MXF (OP-1a) XDCAM HD422 and says the Video Stream is plain MPEG. I want to edit the ...
2
votes
1answer
97 views

Streaming Desktop using FFMPEG in windows

How to stream Desktop using FFMPEG in windows?? I have tried ffmpeg -list_devices true -f dshow -i dummy and after that this to stream ffmpeg -f dshow -i video="Chicony USB 2.0 Camera" -r 30 ...
0
votes
0answers
126 views

VLC Stream WMV3 to H.264, stream out error: cannot find video decoder

I have a stream source: mms://217.218.67.243/presstv I want to convert this wmv stream to h264 or anyother format. I used the following command: cvlc -vvv "mms://217.218.67.243/presstv" --sout ...
1
vote
1answer
181 views

FFmpeg command to convert mp3 to aac

I can issue this command: ffmpeg -i input.mp3 -acodec alac -ab 128k -ar 48000 -ac 2 -y output.m4a to create a m4a file. But when I issue this command ffmpeg -i input.mp3 -acodec alac -ab 128k ...
0
votes
2answers
67 views

Converting hundreds of pictures of naming style “frame_0000.jpg”, “frame_0001.jpg” into an avi?

I have all of these images as jpegs and I want to stream them into an AVI. I am trying to use ffmpeg with the command noted here but I get an error "No such file or directory". My exact command is ...
0
votes
1answer
55 views

ffmpeg for medium quality

I tried using the -sameq, and it works and got a good quality for the video, but I noticed the file size had increased greater than the original video. So how can I adjust for the medium quality? I ...
0
votes
0answers
34 views

ffmpeg image2 avi quality

I'm converting a set of images to avi, but the quality is very poor. How can I change the quality of a video? This is my current command: ffmpeg -i music.wav -f image2 -r 11 -i %%d.png video.avi ...
1
vote
1answer
222 views

ffmpeg not using full CPU power

I have a Dell Precision 490 workstation, running Ubuntu 11.10, with two dual core Xeon 5160 CPUs (so 2 physical CPUs, with 2 cores each), which I am using to encode TV recordings (MPEG2) to H264 using ...
1
vote
1answer
99 views

ffmpeg or mencoder - Convert a video using another one as a reference format-wise

I have two videos from different sources. I want to convert one of them so that its format, codec, framerate are the same as the other one. Is there a one-liner for it (where I can give the ...
0
votes
0answers
46 views

Join Audio and 2 Images Output as Video using FFmpeg and Video should be acceptable by youtube

I know this question is similar to the question here Join Audio and Image -> Output as Video using FFmpeg, But my requirement is bit more. I want to join to 2 image files with an audio file to ...
1
vote
0answers
37 views

High quality video frame grab under Linux

There is a software (I suppose there are more) under Windows, which claims to take high quality frameshots from videos, called Moment I suppose it works in a way that it takes a set of consecutive ...
2
votes
1answer
130 views

ffmpeg encoded video - seeking is “quantised” in VLC

I'm running the following command to convert an mp4 video into the VP8/Webm format: ffmpeg -y -i lists.mp4 -f webm -vcodec libvpx -vb 600k -r 20 -acodec libvorbis -ab 64k -ac 1 lists.webm When I ...
2
votes
1answer
69 views

How to get length of video file from console?

Suppose we have video file some_video. How to get length of it from a shell script (with mplayer/transcode/gstreamer/vlc/ffmpeg/whatever)? VIDEO_LENGTH_IN_SECONDS=`ffmpeg .... -i some_video ... | ...
1
vote
1answer
215 views

Extracting and re-combining audio from a video

I'm fed up with Vegas, Premiere, Pinnacle, SoundForge and all of the other editors I've tried. I'm trying to modify the audio of an AVI file, but all of the editors I've tried insist on re-encoding ...
1
vote
1answer
78 views

ffmpeg: video file played OK on Ubuntu, but no sound on XP

I created a video clip using ffmpeg (vcodec: mpeg2video, acodec: AC3 5.1). The file can be played normally on Ubuntu, but when I play it on an XP machine, there is no sound. I can play AC3 files and ...
0
votes
2answers
149 views

How to convert .mov videos to iPhone playable mp4 videos

I am trying to convert .mov videos to mp4(should be playable in iPhone) using ffmpeg.I am using Linux CLI. I have tried the following command: -i source.MOV -s qvga -b 384k -vcodec libx264 -r 23.976 ...
3
votes
0answers
599 views

DTS to AC3 conversion for LG TV using mediatomb DLNA server

I want to convert a MKV video file containing DTS audio to a stream with AC3 audio. I want to pass this resulting stream to mediatomb's transcoding feature. Mediatomb will transfer the stream via DLNA ...
4
votes
1answer
345 views

ffmpeg: images to 29.97fps mpeg2, audio not sync

I have spent a lot of time on this issue. Hope someone can help. I want to convert 3147 images + ac3 audio file into an mpeg2 video at 29.97fps (about 1m45s). My command: ~/ffmpeg/ffmpeg/ffmpeg ...
0
votes
0answers
79 views

How to encode VP6 codec in ffmpeg?

Can anyone tell me if there is a way to encode VP6 codec in ffmpeg? I used libvpx only to find out that it encodes using VP8...
2
votes
0answers
69 views

How can I use ffmpeg to accurately export images from a video file?

My goal; export a series of images from a video file using ffmpeg. I guess my issue is related to frames per second and bit-rate. I tried the following command: ffmpeg -i myVideo.mp4 -r 1 ...
1
vote
0answers
66 views

Time of splitting and encoding video with ffmpeg increases exponentially

I'm trying to split a video by subtitles and encode into .mp4(h.264/aac) using ffmpeg, but it takes so much time! First pieces of video are splited and encoded really fast, but for each iteration time ...
1
vote
1answer
56 views

How can I avoid a few seconds of blank video when using -vcodec copy?

I'm processing user-uploaded videos on a CentOS web server with ffmpeg. I need to convert each video to a standard size and format, then extract a 30-second sample clip from each video. I want to use ...
1
vote
1answer
99 views

Small pieces of video split by ffmpeg are not playing or playing with artifacts

I'm trying to cut a video file into small parts (0.5-5s) and encode these parts to h.264/aac with ffmpeg. I'm using this command: ffmpeg -i 1.avi -ss 00:05:00 -t 00:00:01,50 -vcodec libx264 -threads ...
2
votes
2answers
118 views

“theora_encode_init failed” when converting FLV to OGG Theora video using FFmpeg

How can I use FFmpeg to convert a flash video (.flv) to an OGG Theora video to display in HTML 5? When I tried using ffmpeg -i dayinthelife.wmv -vcodec libtheora -acodec libvorbis -b 750k ...
1
vote
1answer
59 views

ffmpeg kills my audio stream

i am converting a bunch of avi videos to mkv, using simply ffmpeg -i "foo.avi" "foo.mkv". Now i have the problem, that in my output-mkv-file exists one video stream (fine) but only the first audio ...
1
vote
1answer
311 views

FFMPEG able to convert m4a -> mp3, but unable to convert mp3 -> mp3?

FYI: Fedora 8 running on Amazon EC2... Having a difficult time with FFmpeg doing a (what should be pretty simple) conversion. I can get FFmpeg to encode an mp3 file from an m4a file using the ...
1
vote
0answers
194 views

Stream video with FFMPEG, “Output file does not contain any stream”

I would like to stream an H.264 encoded elementary stream wrapped in RTP headers to a port using FFMPEG. I have tried the following command lines to no avail... ffmpeg -i 1080p_1.h264 -f rtp -vcodec ...
1
vote
0answers
118 views

how to create or extract a silent mp3 from a video file using ffmpeg or mencoder?

I am looking to create an mp3 of silence that is the same duration as the input video file using either ffmpeg or mencoder. Using ffmpeg I have tried this: ffmpeg -y -i in.avi -ab 8k -ac 1 -vol 0 ...
2
votes
1answer
58 views

How can I find out how big my encoded file will be?

I am converting a video using the following command: ffmpeg -i "input.avi" -vcodec mpeg4 -r 15 -sameq "output.avi" However I'm only interested in the file size of output.avi. Is there a command I ...
4
votes
2answers
714 views

How to use ffmpeg to add metadata to an AAC file without reencoding?

I'm using ffmpeg to extract just the audio stream from a video file: ffmpeg -i video.mp4 -vn -acodec copy audio.aac This produces a clean audio file but without any metadata. To add metadata, ...

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