video-codecs Questions
3
Solved
can anybody compare popular video codecs by encoding speed? I understand that usually better compression requires more processing time, but it's also possible that some codecs still provide compara...
Selffertilization asked 27/1, 2011 at 12:8
7
Solved
How can I convert a video from mp4 to webm using VLC, if possible? What codec should I choose? Do I need to reencode the sound?
I'm trying to put an HTML5 video on a website with Flash as fallback....
Unroll asked 6/3, 2012 at 11:10
9
Solved
I've looked for existing potential solutions with other formats and those still responds with mentioned error.
Finally, recorded the video with the same device and used it as a resource for this...
Innumerable asked 14/7, 2014 at 5:37
4
Solved
I've got a grayscale video stream coming off a Firewire astronomy camera, I'd like to use FFmpeg to compress the video stream but it will not accept single byte pixel formats for the MPEG1VIDEO cod...
Beebeebe asked 1/12, 2011 at 22:42
1
Solved
I am developing a webrtc based video chat app, currently the video call is working, but I want to record a video from the remote video stream using the VideoFileRenderer, there are many implementat...
Rote asked 16/3, 2019 at 21:43
4
Solved
Are there any web browsers out there that can playback the H.265 / MPEG-4 HEVC codec in a html5 video element? On what platform or hardware?
I heard rumours about HEVC support in Edge when h...
Catalyst asked 3/4, 2016 at 7:6
2
Solved
I recently installed OpenCV 2.4.2 in Ubuntu 12.04.
cap = VideoCapture(0)
is working. but I can't grab frames from some video source.
cap = VideoCapture("input.avi")
img = cap.read()
gives m...
Downatheel asked 12/7, 2012 at 4:16
1
Many threads say that there is no open source support for h.264 3D on x264 and the technology is dead. However, I am working on x264 and would like to ask the experts here about their opinion:
Is...
Delanie asked 29/9, 2015 at 6:9
1
I am new to video codecs and learning video file format specifications. I have read about QUICKTIME file format specifications from here, and MP4 file format (which is almost similar) from he...
Strikebound asked 20/4, 2016 at 1:5
1
https://www.ffmpeg.org/legal.html
The above page doesn't make any thing clear if we can use the libraries in commercial projects or not.
Incase if there are algorithms breaking patents,...
Romeyn asked 11/7, 2015 at 14:38
1
Hello I have an MP4 video, I want to change the creation_time using ffmepg, without changing the rest of metadata. but I am facing some problems..
The major_brand and more stuff are changed. I want...
Carolinian asked 26/7, 2013 at 16:31
3
I compiled an older version of FFmpeg for Android (if I recall correctly it was 0.6.X). FFmpeg decodes a video frame, scales it, then I'm using OpenGL to draw it on the screen. As far as I can tell...
Coinstantaneous asked 23/10, 2011 at 23:5
1
Solved
I am working on a h264 video codec. I want to know: Is a single NAL unit in H264 equivalent to one video frame?
Courland asked 28/7, 2011 at 12:29
1
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