Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [flv]

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

0
votes
1answer
129 views

Stream a video from FFmpeg to Wowza with subtitles

I need to stream a video with subtitles from FFmpeg to a Wowza server. What stream protocol and video format can I use? I was using the FLV video format on a RTMP stream but I think it does not ...
0
votes
1answer
38 views

how to overlay audio on video - .flv files

I have lecture videos in .flv format and its corresponding sound in another .flv format file. Is there a way to overlay the sound file onto the video and save it? Please advise.
0
votes
1answer
1k views

Can I mux H.265 into FLV by force?

We want to try H.265 encoded video stream, but the video cloud server vendor we are using only provides RTMP+FLV uploading port. I have made some search works, and it seems FLV do not officially ...
2
votes
1answer
942 views

Stream received doesn't have consistent video track

I'm streaming a video to a streaming engine (nginx-rtmp) using ffmpeg using the following command: ffmpeg -re -fflags +genpts -stream_loop -1 -i Sintel.mp4 -c copy -f flv rtmp://stream-engine/...
0
votes
1answer
781 views

How to resolve a video URL from a f4m manifest file?

I want to know the video URL that corresponds to the bitrate 364 in this f4m file: http://nicls1-lh.akamaihd.net/z/lst_1@26969/manifest.f4m?hdcore= How can I do that? Is there some software utility ...
1
vote
0answers
551 views

Pipe audio from VLC to stdout?

I want VLC to play some video (from VLC), but have the audio be outputted to stdout or a file. Here's what I've been trying to do, but it obviously doesn't work. It's a FLV file btw: DISPLAY=:0 vlc -...
0
votes
0answers
72 views

FLV seeks slowly after cutting with FFMPEG

The input video is a h264 flv and is able to seek instantly to any keyframe. When I cut a snippet with the following command, keeping the flv container, the resulting video takes a few seconds to ...
3
votes
2answers
7k views

How can I generate thumbnail previews for FLV files on Mac?

Similar to this question, however, the answer will not work because it is suited for Windows 7. My initial thought was to just run the video on VLC and pause the video and then just Shift+Cmd+4 and ...
5
votes
2answers
13k views

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 -...
0
votes
1answer
809 views

Unable to seek FLV video

I can not seek flv video downloaded by rtmpsuck. Tried MPlayer2 2.0-728-g2c378c7 and vlc (2.1.2-0-ga4c4876). $ mplayer2 video.flv MPlayer2 2.0-728-g2c378c7 (C) 2000-2012 MPlayer Team Playing video....
1
vote
1answer
820 views

How can I convert videos for Sony Xperia U on my Linux box?

I would like to send a few videos for my girlfriend, but I would ensure they are playable on her mobile phone. I want to carry out the encoding tasks on my Arch Linux box, because my PC is a low end. ...
6
votes
2answers
6k 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
2answers
36k views

How can I stop having IE11 ask me if I want to save or open an .flv file?

I am working with 6 different video formats in IE11. If I try to directly open on of the other 5 (not .flv), either Windows Media Player or QuickTime will open up directly and play the video. For ....
0
votes
2answers
183 views

Joining flv files produces much larger output

I have three flv files around 30 Mb each. I joined them together using mencoder on Linux with mencoder -forceidx -ovc copy -oac pcm -o output.flv input1.flv input2.flv input3.flv The video codec ...
2
votes
1answer
2k 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 ...

15 30 50 per page