|Subject:||Re: [Discuss-gnuradio] DVBT project receiver problem [demultiplex the transport stream]|
|Date:||Mon, 7 Dec 2015 13:07:58 +0100|
|User-agent:||Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0|
the point is that the multiplex you're probably considering now is the MPEG transport stream multiplex. Please correct me if I'm wrong!
De-multiplexing MPEG is really something that should be handled by an existing MPEG decoder; so yes, VLC, mplayer, ffmpeg itself would be the right tools.
What I'd recommend is just using
1. "mkfifo input_fifo output_fifo0 output_fifo1 output_fifo2 …" to generate to Unix FIFOs to get data out and back into GNU Radio,
2. Using normal file_sink and _source with aforementioned FIFOs
3. calling "ffmpeg -i input_fifo -c copy -map 0:0 output_fifo0 -map 0:1 output_fifo1 …" to copy the first stream to fifo0, the second to fifo1 etc.
Note that I haven't tested this myself.
On 07.12.2015 12:50, Ihab Zine wrote:
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