vdr-plugin-ttxtsubs

Why this vdr-2.2.0-ttxtsubs.patch does not work with plain vdr-2.2.0.tar.bz2 ?

wget ftp://ftp.tvdr.de/vdr/vdr-2.2.0.tar.bz2
tar xjf vdr-2.2.0.tar.bz2
cd vdr-2.2.0
wget http://projects.vdr-developer.org/git/v ... subs.patch
patch -p1 -i vdr-2.2.0-ttxtsubs.patch


patching file MANUAL
patching file Makefile
patching file channels.c
Hunk #2 FAILED at 576.
Hunk #3 FAILED at 750.
2 out of 3 hunks FAILED -- saving rejects to file channels.c.rej
patching file channels.h
Hunk #4 succeeded at 183 with fuzz 2.
patching file ci.c
Hunk #1 FAILED at 2155.
Hunk #2 FAILED at 2178.
2 out of 2 hunks FAILED -- saving rejects to file ci.c.rej
patching file config.c
patching file config.h
patching file device.c
Hunk #3 succeeded at 1488 with fuzz 2.
patching file device.h
Hunk #1 succeeded at 602 with fuzz 1.
patching file menu.c
Hunk #1 succeeded at 3326 with fuzz 2.
patching file pat.c
Hunk #4 FAILED at 646.
1 out of 4 hunks FAILED -- saving rejects to file pat.c.rej
patching file po/ca_ES.po
patching file po/cs_CZ.po
patching file po/da_DK.po
patching file po/de_DE.po
patching file po/el_GR.po
patching file po/es_ES.po
patching file po/et_EE.po
patching file po/fi_FI.po
patching file po/fr_FR.po
patching file po/hr_HR.po
patching file po/hu_HU.po
patching file po/it_IT.po
patching file po/lt_LT.po
patching file po/nl_NL.po
patching file po/nn_NO.po
patching file po/pl_PL.po
patching file po/pt_PT.po
patching file po/ro_RO.po
patching file po/ru_RU.po
patching file po/sk_SK.po
patching file po/sl_SI.po
patching file po/sv_SE.po
patching file po/tr_TR.po
patching file po/uk_UA.po
patching file po/zh_CN.po
patching file receiver.c
Hunk #1 FAILED at 72.
1 out of 1 hunk FAILED -- saving rejects to file receiver.c.rej
patching file remux.c
Hunk #2 FAILED at 526.
Hunk #3 succeeded at 558 with fuzz 2.
Hunk #6 succeeded at 829 with fuzz 1.
1 out of 6 hunks FAILED -- saving rejects to file remux.c.rej
patching file remux.h
Hunk #3 succeeded at 363 with fuzz 2.
Hunk #4 FAILED at 401.
Hunk #5 FAILED at 415.
2 out of 5 hunks FAILED -- saving rejects to file remux.h.rej
patching file vdr.5
patching file vdrttxtsubshooks.c
patching file vdrttxtsubshooks.h