A video container for either H.264- or VP6-encoded video, created by Adobe for their Flash platform

learn more… | top users | synonyms

36
votes
4answers
18k views

How do I convert a video to GIF using ffmpeg, with reasonable quality?

I'm converting .flv movie to .gif file with ffmpeg. ffmpeg -i input.flv -ss 00:00:00.000 -pix_fmt rgb24 -r 10 -s 320x240 -t 00:00:10.000 output.gif It works great, but output gif file has a very ...
23
votes
2answers
26k views

What do the numbers 240 and 360 mean when downloading video? How can I tell which video is more compressed?

I have downloaded some computer science lectures from YouTube recently. There is usually more than one choice of file size and file format to download. I noticed that for the same video, the ...
18
votes
1answer
33k views

Converting FLV to MP4 Using FFMPEG and Preserving the Quality

Im trying to use ffmpeg to convert my flv files to mp4 to play them on iOS devices but the converted video has a much worse quality than the original one. Here is the command i use: ffmpeg -i ...
13
votes
4answers
61k views

How can I generate thumbnail previews for FLV files in Windows 7?

Is there a way to add the ability to show previews of FLV files in Windows Explorer under Windows 7?
11
votes
3answers
7k views

How to concatenate two flv files?

I want to concatenate two flv files(downloaded from Youtube.com) by linux command line tools. The ffmpeg tutorial is too complicated, so I tried the mencode tutorial. But I get a empty output. I don't ...
8
votes
5answers
6k views

Capture live streaming

I want to capture a rtmp stream. The videos are live, different every day and usually i cant tune in because i am busy at work doing something :(. I would like to capture the stream however they use ...
7
votes
4answers
360 views

What is the easiest way to convert MPEG video to FLV format?

I have MPEG video (.mpg) that I would like to convert to FLV format for use in Flash players. What is the easiest (idiot-proof) way to do this on a Windows machine?
7
votes
2answers
2k views

h264 inside FLV container vs. MP4 container?

I am developing a tube site, and currently having issues with h264 format . By looking at youtube, I noticed they are putting their hi-def videos into mp4 container, so logically I did the same. ...
6
votes
7answers
2k views

How do you convert FLV file format to a format that Picasa recognizes (e.g. AVI, MPEG, WMV)?

I use one of the Firefox plugins for embedded video to download content from Youtube and other sites. The program downloads these videos in FLV format, and I have VLC Media Player to play them, which ...
5
votes
4answers
4k views

Generate FLV video with alpha channel using open source tools

I have a sequence of PNG-images with transparency which I want to convert to an FLV video with transparency. So far I have been using ffmpeg to create FLVs (vp6a), but it doesn't seem to support ...
5
votes
5answers
26k views

Where can Firefox store cached flash (.flv) video files?

I am willing to save an online flash video (.flv) file for further offline watching. I couldn't download this particular video file through a direct link (grabbed with Video Download Helper extension) ...
5
votes
1answer
2k views

How to load FLV in AviSynth?

How do i load an FLV in AviSynth. The standard: DirectShowSource("2011 Visa Championships.flv") fails with: Video returned: "DirectShowSource: couldn't open file 2011 Visa Championships.flv: ...
4
votes
12answers
1k views

How To Play FLV Files?

Whats the best free video player that will play .flv files on my PC?
4
votes
3answers
3k views

GIF to FLV software on GNU/Linux (or cross-platform)

Do you know how to convert an animated GIF (only two pics in loop) to FLV or AVI? I didn't search for a Microsoft alternative that maybe could run with WINE, because I really prefer a native one; ...
3
votes
4answers
2k views

Are there any Mac OS X apps that convert Flash video (.flv) to h.264?

I’ve got some video from the web in Flash video format (.flv). I want to convert it to h.264. I’ve got Perian installed. QuickTime seems to play the video fine, but when I use any of the options to ...
3
votes
1answer
1k views

FFmpeg command converting M4V to FLV; video streaming is very slow

I am using this command to convert videos from M4V and AVI to FLV: ffmpeg -i 'video_1355440448.m4v' -s '640x360' -ab '64k' -ar '44100' -q:v '1' -f 'flv' -y video_1355440448.flv I have two servers: ...
3
votes
3answers
2k views

Watermarking videos on Linux

I want to add watermarking on to my FLV videos. Previously I used to do that using FFmpeg's vhook option but due to some problems I had to upgrade it to the latest SVN revision. This version of FFmpeg ...
3
votes
4answers
234 views

How to extract the sound track from a flv file

Is there anyway to extract the sound track from a flv file on MacOS X? If yes, what are the tool/ways I can do that? Thank you.
3
votes
4answers
3k views

FFmpeg tweaks for converting from WMV to FLV?

When using ffmpeg to convert from .wmv files to .flv files, I find that either the quality is too low or the bps is too high. I am working on a Ubuntu Linux installation. Any suggestions? The bps ...
3
votes
2answers
2k views

.flv videos only play audio without image

I downloaded a pack of about 50 .flv videos, most work just fine on any software that plays .flv, but some only play audio without video. I use Ubuntu 10.04 as main OS but also tried on Windows and ...
3
votes
2answers
2k views

How can I download Silverlight videos and convert to FLV format?

Is there any way to download Silverlight videos and convert them into FLV format?
2
votes
2answers
1k views

Which would have a lower bandwidth cost - HTML5 or FLV?

Recently YouTube and Vimeo added HTML5 players to their websites, with options to use them rather than the FLV video. I understand that HTML5 video is less CPU intensive, but what about bandwidth? ...
2
votes
1answer
682 views

MP4 takes too long to start

I'm converting my video to H.264 / MP4 with ffmpeg. I then move the moov atom to the start of the file with qt-faststart, so I can stream the video. Everything works fine with small videos of 5–10 ...
2
votes
1answer
697 views

How to merge video flv and audio wav file in ffmpeg

I want to merge an audio .wav with a video .flv using ffmpeg Please suggest me how to achieve this. i am using this command on ubuntu 12 : ffmpeg -i recod_audio.wav -i recod_ideo.flv -acodec ...
2
votes
2answers
825 views

How to embed a flv video into a web page?

I want to let my visitors to watch my video directly at my web page. How would I do this?
2
votes
1answer
371 views

Which FFmpeg command do I use to passthrough FLV to MP4?

I've a number of downloaded FLV files which I would like to convert to MP4. They are already in the correct format so I am told all I need to do is to remux the video and audio streams into an MP4 ...
2
votes
1answer
232 views

What's wrong with .flv file?

I have .flv file which has a pretty long runtime. But VLC player indicates runtime as 48 min. (in reality it's more than 2 hours) The questions: What is the maximum runtime for .flv file? What ...
2
votes
4answers
1k views

Converting MP4 to FLV in Adobe Media Encoder fails

I am trying to encode a .mp4 to a .flv I've tried using the Adobe Media Encoder but the video is lost in the conversion process, leaving me a black screen and some audio. I have yet to find ...
2
votes
3answers
909 views

Downloading FLV video files (Mac)

I want the ability to download any FLV Video on a web page (not just services like YouTube), I'm using Firefox so an addon is good but an external application would be even better.
2
votes
1answer
572 views

How can I remux FLV movies from YouTube (e.g. into MKV)?

For some obscure reason, I have some video files I downloaded from YouTube as FLV rather than in another format. I would like to re-mux them into, say, MKV (Matroska). When trying to use ffmpeg, I get ...
2
votes
6answers
2k views

SWF to FLV converter [closed]

Is there any freeware SWFL to FLV converter? or avi would be fine as well. Could not find any so far.
2
votes
1answer
2k views

How can I convert AVI files to FLV files with the highest quality?

I want to convert some of the AVI files I recorded (presentations) to FLV so I can host them on a website and offer them to my visitors. I have done this sort of thing before but the quality they came ...
2
votes
2answers
2k views

Reduce FLV file size

I have successfully converted an AVI file to FLV, but it's too large a file. How can I reduce it's file size without editing out any portions of its content?
2
votes
1answer
705 views

Is it possible to check a FLV for data corruption?

I have some FLV videos and I'd like to check them for possibile data corruption, even if I'm able to play them without problems. I don't really know if FLV videos store an embedded checksum string for ...
1
vote
2answers
2k views

ffmpeg: Pipe input error

I'm facing an issue while working with ffmpeg when input and output are pipes. Though Output pipe is working fine, piping the input is causing some error. I tried to convert mp4 video to flv using ...
1
vote
8answers
16k views

Download Flash video file from any video site?

I know there are plenty of ways to download Flash video files (.flv) from the video sites like YouTube, etc. But if the site changes the procedure of download, most of the time, it will break. Is ...
1
vote
2answers
18k views

Which is better between a .flv and a .mp4 video files with same encoding?

There is a server from which I can download videos, and I can choose if I want .flv or .mp4. The encoding is the same: -> FLV Flash Video 1 video stream: 640*360 (16:9), at 25,000 fps, AVC ...
1
vote
3answers
1k views

Converting a .FLV into a .AVI / .MP4 [duplicate]

Possible Duplicate: How do you convert FLV file format to a format that Picasa recognizes (e.g. AVI, MPEG, WMV)? Well i've been looking around google for hours trying to find a way on how ...
1
vote
4answers
560 views

How to convert flv video to 3gp video?

How to convert .flv video format to .3gp for use on an Android device using a desktop computer?
1
vote
1answer
699 views

Copied FLV file with FFMPEG won't open in any program except VLC

I am trying to add an overlay to a FLV file fetched from YouTube. The input file is 4.4MB and playable by QuickTime so it doesn't appear to have any issues. ffmpeg -i input.flv -vf ...
1
vote
1answer
2k views

How to create thumbnail image from .flv video by using ffmpeg ?

I am using following command to create thumbnail image from flv video , image is created but with error (image doesn't open) ffmpeg -ss 00:00:10 -i output.mp4 -f image2 -s 150x150 -vframes 1 -c:v ...
1
vote
3answers
2k views

Which of these video formats will give me better quality

With the basic idea i have about video formats, i always thought FLV offers the lowest quality & hence smallest file size but this particular page made me confused. http://blip.tv/file/2932017 If ...
1
vote
3answers
8k views

FLV video has no sound, when played with mplayer, VLC refuses to play it at all

I have downloaded this video http://www.youtube.com/watch?v=CpznCSeqMxw as a flv file. When I now try to play it, mplayer says Audio: no sound and shows the video, but no sound (which is, why I ...
1
vote
2answers
166 views

How do I download this video from Google Video?

I have tried Orbit Downloader, but it can't seem to get it. I know Google Video have updated their methods so it's harder now. http://video.google.com/videoplay?docid=3332918255822393647# I've read ...
1
vote
1answer
132 views

Windows: Extract MP3 Audio from FLV file

What is the best way to extract the audio track from a FLV video file, preferably in MP3?
1
vote
1answer
46 views

Is there a Windows app that can do FLV playlists?

Does anyone know of a Windows software that can do FLV playlists? In other words, you'd load a bunch of FLV files and have them play one after another.
1
vote
2answers
955 views

Avoid ffmpeg to lose the flv files keyframes

I use ffmpeg to convert my files, but when I do so, I lose the keyframes metadata from my flv files. The command I use right now is: $/usr/local/bin/ffmpeg -i %s -ab 96k -ar 44100 -b 500k -r 25 ...
1
vote
1answer
303 views

Are f4v-files the same as flv-files?

Are these two the same just with another extension?
1
vote
2answers
136 views

Problem getting video from DVD

I have a DVD that a customer needs me to pull ~5 minutes of video from, and convert it to FLV to play on their website. I downloaded AVS Video Converter and tried to use it to convert the VOB file to ...
1
vote
2answers
156 views

convert multiple segments of DVD to FLV

I have a DVD of footage that I need to convert to FLV. I would rather not convert the whole disk as I only need specific segments. Is there a program that I can input start and end times and to get ...