$ valgrind -v ./vdr -Ptext2skin
<snip>
--20993-- REDIR: 0x435e3f0 (__memchr_sse2_bsf) redirected to 0x402c5b0 (memchr)
--20993-- REDIR: 0x41e4c70 (operator new[](unsigned int)) redirected to 0x402a5a0 (operator new[](unsigned int))
--20993-- REDIR: 0x41e28e0 (operator delete[](void*)) redirected to 0x4029a20 (operator delete[](void*))
==20993== Conditional jump or move depends on uninitialised value(s)
==20993==    at 0x4B5689F: cText2SkinDisplayMessage::SetMessage(eMessageType, char const*) (in /usr/local/vdr/vdr-1.6.0/PLUGINS/lib/libvdr-text2skin.so.1.6.0)
==20993==    by 0x80FDABA: cSkins::Message(eMessageType, char const*, int) (skins.c:238)
==20993==    by 0x80B0183: cDevice::SwitchChannel(cChannel const*, bool) (device.c:734)
==20993==    by 0x80A295F: cChannels::SwitchTo(int) (channels.c:1050)
==20993==    by 0x42E53D4: (below main) (in /lib/libc-2.15.so)
==20993== 
--20993-- REDIR: 0x4343e80 (posix_memalign) redirected to 0x4029650 (posix_memalign)
--20993-- REDIR: 0x44085f0 (__strncasecmp_ssse3) redirected to 0x402bee0 (strncasecmp)
--20993-- Reading syms from /usr/lib/ImageMagick-6.7.6/modules-Q16/coders/png.so (0x7f3c000)
--20993--    object doesn't have a symbol table
--20993-- Reading syms from /usr/lib/libpng15.so.15.10.0 (0x7f73000)
--20993--    object doesn't have a symbol table
vdr: magick/cache-view.c:477: GetCacheViewAuthenticPixels: Assertion `id < (int) cache_view->number_threads' failed.
==20993== 
==20993== Process terminating with default action of signal 6 (SIGABRT)
==20993==    at 0x42FA24F: raise (in /lib/libc-2.15.so)
==20993==    by 0x42FBB52: abort (in /lib/libc-2.15.so)
==20993==    by 0x42F3086: __assert_fail_base (in /lib/libc-2.15.so)
==20993==    by 0x42F3136: __assert_fail (in /lib/libc-2.15.so)
==20993==    by 0x4C221C4: GetCacheViewAuthenticPixels (in /usr/lib/libMagickCore.so.5.0.0)
==20993==    by 0x4D053C5: ??? (in /usr/lib/libMagickCore.so.5.0.0)
==20993==    by 0x5274DF8: ??? (in /usr/lib/libgomp.so.1.0.0)
==20993==    by 0x40A0CE7: start_thread (in /lib/libpthread-2.15.so)
==20993==    by 0x43B44DD: clone (in /lib/libc-2.15.so)
--20993-- Discarding syms at 0x4b36410-0x4b370d0 in /usr/lib/gconv/ISO8859-9.so due to munmap()
--20993-- Discarding syms at 0x4b23410-0x4b241a4 in /usr/lib/gconv/ISO8859-5.so due to munmap()
--20993-- Discarding syms at 0x4aed410-0x4aee1a4 in /usr/lib/gconv/ISO8859-13.so due to munmap()
--20993-- Discarding syms at 0x4adf410-0x4ae0218 in /usr/lib/gconv/ISO8859-7.so due to munmap()
--20993-- Discarding syms at 0x4038410-0x40390b8 in /usr/lib/gconv/ISO8859-1.so due to munmap()
--20993-- Discarding syms at 0x4ac9410-0x4aca0d0 in /usr/lib/gconv/ISO8859-2.so due to munmap()
--20993-- Discarding syms at 0x4ad2410-0x4ad31a4 in /usr/lib/gconv/ISO8859-15.so due to munmap()
==20993== 
==20993== HEAP SUMMARY:
==20993==     in use at exit: 18,253,106 bytes in 100,520 blocks
==20993==   total heap usage: 312,154 allocs, 211,634 frees, 57,756,158 bytes allocated
==20993== 
==20993== Searching for pointers to 100,520 not-freed blocks
==20993== Checked 97,044,844 bytes
==20993== 
==20993== LEAK SUMMARY:
==20993==    definitely lost: 2,160 bytes in 4 blocks
==20993==    indirectly lost: 246 bytes in 10 blocks
==20993==      possibly lost: 192,029 bytes in 7,310 blocks
==20993==    still reachable: 18,058,671 bytes in 93,196 blocks
==20993==         suppressed: 0 bytes in 0 blocks
==20993== Rerun with --leak-check=full to see details of leaked memory
==20993== 
==20993== Use --track-origins=yes to see where uninitialised values come from
==20993== ERROR SUMMARY: 9 errors from 7 contexts (suppressed: 0 from 0)
==20993== 
==20993== 1 errors in context 1 of 7:
==20993== Conditional jump or move depends on uninitialised value(s)
==20993==    at 0x4B5689F: cText2SkinDisplayMessage::SetMessage(eMessageType, char const*) (in /usr/local/vdr/vdr-1.6.0/PLUGINS/lib/libvdr-text2skin.so.1.6.0)
==20993==    by 0x80FDABA: cSkins::Message(eMessageType, char const*, int) (skins.c:238)
==20993==    by 0x80B0183: cDevice::SwitchChannel(cChannel const*, bool) (device.c:734)
==20993==    by 0x80A295F: cChannels::SwitchTo(int) (channels.c:1050)
==20993==    by 0x42E53D4: (below main) (in /lib/libc-2.15.so)