Hot answers tagged video
No there's no advantage to this and you're just going to make the video file size larger for no reason at all. It's simply impossible to get a greater resolution than the source. Once you've captured a picture or video, the source size is forever your highest resolution. There are neat projects like scale2x that try to increase resolution and intelligently ...
Use a tool like Advanced Renamer to rename the images with padding so that ffmpeg uses them in the correct order. If using AR, use method New Name with pattern Y<Inc Nr:0001>. Make sure the ordering of the input within AR is correct before you process the renaming. Then, use ffmpeg like this ffmpeg -framerate 30 -i Y%04d.png -i musicfile -pix_fmt ...
Try UV4L with the Jitsi Meet plugin. It allows bidirectional audio&video on conference rooms over the web. You can specify room and username through the web interface. You do not necessarily need a browser on the Rpi2.
If Closed Captions means a CEA-608 or 708 stream, then those are weirdly packetized i.e. embedded within the video stream, and ffmpeg cannot copy or encode them. You can try to use CCextractor to extract them. If it does not work on the stream. Download the individual segments, concat them and try with that. Once extracted, you can encode them using -c:s ...
I did manage to pull together enough pieces on information to complete this. It is a combination of 3 commands. Using ffmpeg version 2.8.4 First, the playlist segments need to be merged into a single MPEG-TS file: ffmpeg -i [playlist_url].m3u8 -c copy [filename].ts Next, we need to extract the Closed Captions from the file: ffmpeg -f lavfi -i ...
The is a comprehensive guide on downloading in proprietary format (arf), and then converting to wmv on the Webex website, both for owners (host through managing interface) and viewers (non-host through URL link) http://support.webex.com/support/documentation/help/index.htm#9398.htm
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