A video container for either H.264- or VP6-encoded video, created by Adobe for their Flash platform
Questions tagged [flv]
105 questions
34
votes
1 answer
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 input.flv -ar 22050 output.mp4
I would really appreciate…
erfanria
23
votes
2 answers
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 downloadable one with FLV 240 extension is larger than…
DaMing
- 233
21
votes
4 answers
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?
Stephen
- 685
15
votes
3 answers
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 know how to fix the problem.
ffmpeg -i…
kev
- 13,200
11
votes
4 answers
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?
Kip
- 4,634
10
votes
4 answers
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 (Baseline@L3.0) (6 Ref Frames)
1 audio stream: 44,1 KHz, 2…
Oriol
- 1,509
9
votes
2 answers
Why is H.264 video so much faster in an FLV container than in an MP4 container?
I am developing a tube site, and currently having issues with H.264 format. I noticed that YouTube put their hi-def videos into an MP4 container, so logically I did the same.
Next, I installed mod_h264_streaming for lighttpd to make streaming and…
Gotys
- 251
- 2
- 3
8
votes
5 answers
Capture live streaming
I want to capture an RTMP stream. The videos are live, different every day and usually I can't tune in because I am busy at work doing something :(. I would like to capture the stream; however, they use anti-capturing techniques (it's live and free…
user3109
6
votes
5 answers
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 seems to be pretty highly recommended around…
NoCatharsis
- 3,235
6
votes
2 answers
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 container using copy/pass through.
I'm on Windows 7…
user338034
- 61
6
votes
5 answers
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) because of a very slow and unresponsive server,…
Ivan
- 7,863
5
votes
3 answers
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 doesn't have vhook support anymore.
I have tried…
sharjeel
- 992
5
votes
2 answers
FFMPEG "Past duration 0.xxxxxx too large"
I'm recording an HLS streaming and I would like to save in a FLV Container.
My ffmpeg's cmd is:
/.../recorder/class/ffmpeg-2.6.1-32bit-static/./ffmpeg -i http://server/url/playlist.m3u8 -b:a 128K -acodec libmp3lame -ar 44100 -write_xing 0 -y -b:v…
Tenaciousd93
- 455
5
votes
1 answer
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:
Cannot play back the file. The format is not…
Ian Boyd
- 23,066
5
votes
4 answers
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 alpha channels.
The only software I found so far is…
clamp
- 1,282