A video container for either H.264- or VP6-encoded video, created by Adobe for their Flash platform
1
vote
0answers
101 views
Cutting at key frames with H.264 and FFmpeg
I have videos generated with Flash Media Encoder and the VP6 codec.
I'm able to edit these videos manipulating their tags with .NET, but I can only cut between key frames. I want a more precise ...
0
votes
2answers
80 views
FFMPEG add keyframes without reencoding
How can I add keyframes for FLV files without reencoding? I try to use this command, but do nothing:
ffmpeg -i file.flv -vcodec copy -acodec copy -g 0 -y tmp.flv && yamdi -i tmp.flv -o ...
0
votes
1answer
29 views
view video bitrate of a flv file in linux,how?
Is there any command to check the video bitrate of a flv file in debian/ubuntu ? I have some flv files and I want to find out their video bitrate.
I check 'file' command It only says 'Macromedia ...
0
votes
1answer
139 views
FFmpeg can't convert MOV to FLV
When i try to convert a .mov file to .flv i get this type of output.
I get error
Invalid sample format '(null)' Error opening filters!.
When I convert .avi or .mp4 I get no errors. I'm on ...
2
votes
1answer
76 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 ...
-1
votes
1answer
521 views
What is the best video format to download YouTube videos? [closed]
When trying to download a video from YouTube via an add-on in my web browser, I have the choice to download the video in Webm, FLV or MP4.
Which one will give the best audio and video quality ...
5
votes
2answers
467 views
ffmpeg converts .flv video to .gif with awful 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 ...
1
vote
1answer
349 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 ...
3
votes
1answer
329 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:
...
2
votes
1answer
160 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 ...
1
vote
1answer
654 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 ...
0
votes
1answer
1k views
Why can't I convert FLV to MP4 format using FFmpeg when MP3 works?
In fact I have succeeded to convert FLV to MP3:
D:\tmp\ffmpeg-20121005-git-d9dfe9a-win64-static\ffmpeg-20121005-git-d9dfe9a-win
4-static\bin>ffmpeg.exe -i a.flv -acodec mp3 a.mp3
ffmpeg version ...
0
votes
1answer
131 views
Fix unkown FLV meta tag
I downloaded a 230 MB file that I know the length of (40 min), but it only played for 22 min, then it exited.
When I checked it with flvmeta it gave me an error about an unkown tag.
How can I fix ...
1
vote
0answers
126 views
generate cover art from files in folders batch
i have lots of flv files that i want to extract a screenshot from and save it as folder.jpg then convert the flv to mp3 and merge the cover art.
i have this batch script working useing ffmpeg
for ...
-2
votes
1answer
313 views
Codec or player for FLV files [closed]
I have many FLV files and when I play them using Windows Media Player or GOM and try to click on the bar to advance to another part of the video, I find the video pausing for a long time before it ...
0
votes
1answer
18k views
How to make Google Chrome download FLV instead of stream it? [duplicate]
Possible Duplicate:
How to download a video file in Google Chrome
When I open FLV file links in Chrome, it tries to stream it instead of prompting me to download. How do I make it so that ...
9
votes
3answers
4k 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 ...
0
votes
2answers
702 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 ...
5
votes
3answers
28k 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?
0
votes
0answers
97 views
Seeing part of a clip before it fully downloaded
Is there any way to see the part that been downloded of a clip (wmv, flv..etc) from any download site like mediafire.. I mean to see the clip before it fully downloaded.
1
vote
3answers
627 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 ...
2
votes
1answer
891 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 ...
20
votes
2answers
12k 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 ...
1
vote
1answer
39 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.
2
votes
1answer
153 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 ...
3
votes
2answers
1k 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?
0
votes
1answer
5k views
MP4 and FLV formats, which one is smaller for the same video? [closed]
Is an MP4 file for a video smaller or larger than that of a FLV format?
3
votes
1answer
1k 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:
...
0
votes
1answer
1k views
.avi to .flv through ffmpeg
When I try to convert avi to flv, I always get gritty and pixelated output flv videos of size that are 1/4 of the the input avi videos were. The current set of parameters I use is
ffmpeg -i input.avi ...
0
votes
1answer
592 views
ffmpeg multi convert videos and put them in the same path
I am using FFMPEG for converting from MOV to FLV on Ubuntu.
My problem is I have 10 folders and sub folders that contains those videos, I want a command line or a way in WinFF GUI to convert them all ...
0
votes
1answer
521 views
Batch Edit Keyframe Metadata FLV Recorded Stream Video
I recorded an FLV stream, but the resulting video has an awkward metadata quirk that prevents successful conversion to other formats. Here is a snapshot of the keyframes at the beginning of the FLV as ...
0
votes
1answer
916 views
Convert mp3 to flv
I want to convert mp3 files to flv
Why it doesn't work?
$ ffmpeg -y -i 1.mp3 -f flv -acodec libmp3 -ab 64 -ac 1 myfile.flv
ffmpeg version 0.7-rc1, Copyright (c) 2000-2011 the FFmpeg developers
...
1
vote
2answers
668 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 ...
0
votes
1answer
1k views
Video screen recording + add text (subtitle), export as .flv. What programs? [closed]
I have to record a video to showcase a tool I've made. It's going to include my talking, but I also want some overlay text (subtitles) for people who doesn't have sound.
I'm looking for a program ...
0
votes
1answer
819 views
FFMPEG video to FLV conversion optimization
I have a video site where users can upload videos which will be converted to FLV format and displayed.
Those videos are shown at a size of 420x350.
I'm using FFmpeg to convert then to FLV format ...
0
votes
1answer
2k views
How to download flv using Linux command line?
I frequently need to download a video from a varieties of websites on a remote Linux server. So wondering if there is an easy command/tool to do so?
0
votes
2answers
4k views
Can I burn FLV files to DVD
I want to burn 3 flv videos to DVD, I have Nero but I not sure if the dvd will read the videos! because I have tried the flv videos with USB direct to TV but it didn't work, so now I want to burn them ...
0
votes
1answer
764 views
would like to download this video with downloadhelper but cannot
I am trying to download this video with downloadhelper, the firefox extension
http://www.youtube.com/watch?v=28qwcVPNy3E
but I just get audio only.
This is particularly with this video clip.
The ...
0
votes
1answer
83 views
how can I download this video, i'm having problems trying [duplicate]
Possible Duplicate:
Download Flash video file from any video site?
http://www.youtube.com/watch?v=28qwcVPNy3E
i'm using firefox downloadhelper, but it is just downloading audio only with ...
1
vote
0answers
36 views
extract a portion of an flv file? [duplicate]
Possible Duplicate:
Extract segments from FLV file?
I'd like to extract between for example 5min-8min from an flv file.
Solution should use as minimal amount of RAM as possible.
a ...
12
votes
2answers
12k 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 ...
1
vote
1answer
123 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 ...
0
votes
1answer
2k views
Converting a .mp4 file throws “Resampling with input channels greater than 2 unsupported.” error
I am trying to convert a mp4 file into flv with 2 audio channels & sample rate of 44.1 Khz (because .flv does not allow higher than that). Here is the pastebin for the error.
As seen from the ...
0
votes
1answer
461 views
Media Player Classic with latest K-Lite Codec chokes on FLV
I have FLV files that I want to play with Media Player Classic. Whenever I seek using the navigation bar the whole video stops. When I play it again, I receive the last still image while the audio ...
4
votes
5answers
15k 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) ...
0
votes
1answer
372 views
Which command should I use to make .jpeg from .flv using ffmpeg?
The below command creates jpeg out of .mpg, but fails to create jpeg out of .flv.
How can I do that?
$ffmpegpath = FFMPEG_PATH;
$input = "video_file/orig/fdgdf.mpg";//Lady.flv";
$output = ...
1
vote
1answer
283 views
0
votes
3answers
433 views
How do FLV files work? Does the end-user download the entire contents of the file when watching it?
I have a 20 MB FLV video file at the backend and I'm serving them through FlowPlayer.
(a) Does the end-user ultimately download 20 MB worth of information when watching the video or would it be ...
3
votes
3answers
883 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
4answers
3k 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 doesnt seem to support alpha ...
