vdr December 2024

vdr@linuxtv.org

3 participants
3 discussions

Buffer overflows recording HDTV with saa7146 and mantis DVB-C tuners
by schorpp 17 Mar '25

17 Mar '25

> Hello, > > I've build a new VDR with h.264 xineliboutput plugin software decoding > > and got a problem now with > > buffer overruns and distorted recordings on all HD channels: > > ... > Nov 5 05:32:03 vdr2 vdr: [32753] ERROR: 47231 ring buffer overflows (8879240 bytes dropped) > Nov 5 05:32:09 vdr2 vdr: [32753] ERROR: 31042 ring buffer overflows (5835896 bytes dropped) > Nov 5 05:32:15 vdr2 vdr: [32753] ERROR: 47325 ring buffer overflows (8897100 … [View More]

3 5

Identifying MPEG-4 HE-AAC (LATM, LAOS) audio formats
by Marko Mäkelä 30 Dec '24

30 Dec '24

A couple of weeks ago, Finland took the penultimate step to get rid of DVB-T. Since years, we had DVB-T and DVB-T2 running in parallel. The DVB-T transponders should be shut down in 2025. The step was to introduce a second free-to-air DVB-T2 bouquet to carry some channels that were previously only available with DVB-T and MPEG-2. The VDR channel search failed to find this transponder; I ran a patched version of https://github.com/mighty-p/t2scan/pull/15/ to generate a new channels.conf. … [View More]

3 7

Using vdr-dpg package for bug hunting?
by schorpp 06 Dec '24

06 Dec '24

Hello, I'm about fixing this old BUG exiting VDR on every 1st recording start: # gdb attach <pid of vdr> Program received signal SIGFPE, Arithmetic exception. [Switching to Thread 0x9c801b40 (LWP 8182)] 0x08136f6a in cFrameDetector::Analyze(unsigned char const*, int) () (gdb) bt #0 0x08136f6a in cFrameDetector::Analyze(unsigned char const*, int) () #1 0x081295b2 in cRecorder::Action() () #2 0x08165e13 in cThread::StartThread(cThread*) () #3 0xb7693d97 in start_thread () from /lib/… [View More]

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vdr December 2024