DVBT
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DVBT
Datei:Dvbt en300744 figure1.png
- MPEG-2 encoding is done via ffmpeg / avconv. click here for details.
- every mpegts can include multiple video / audio streams
- in hierachical mode, 2 mpegts can be transmitted on the same channel
- dvbtenc requires a mpeg-ts and does all the encoding up to guardinterval creation
- D/A and frontend have to be realized in hardware
- hardware includes baseband filters, frequency selection, sample rate selectors and power amplifiers
DVBT-GUI
This python script using http://www.wxpython.org/ to control all the various tools required to do dvbt encoding. It can be checked out with git using
TODO: ask the admin how to check out the repro https://das-labor.org/users/siro/dvbtgui
dvbtgui let you choose different viceo sources, such as X11 screen grab or file. Various dvb-t settings, bladerf settings, vgatobaseband settings, watermark, ... This simplifies dvbt encoding. You just have to compile / install all programs needed by dvbtgui. Files needed:
* dvbtenc * vgatobaseband * ffmpeg or avconv * bladerf-{TODO} * adrf6755console-{TODO}