RTP multicast DVB transport streams
Dave Chapman writes:
With the recent threads about software decoding and networking of VDR, I decided to revisit and release my "DVBstream" application.
This is based on the "ts-rtp" package from linuxtv.org. It includes a couple of bug fixes to that package and the ability to stream live from a DVB card.
You can download dvbstream from linuxstb.org. The license is the GNU GPL.
After tuning to a transponder, you run dvbstream as follows:
dvbstream pid1 pid2 ... pid8
On the client, use the included dumprtp utility to receive selected PIDs from the multicast:
dumprtp pid1 pid2 > received.ts
It would be straightforward to write a client based on dumprtp that sends this transport stream back to a DVB card on the client for hardware playback. I haven't had any success reliably playing back a TV stream in software (i.e. without any A/V corruption). This may be due to my use of a 10Mbit/s LAN.
However, using the mpegtools with the driver, I have performed problem-free audio-only decoding by doing:
dvbstream vpid apid