in streamdev's server/recplayer.c, replacing "#if {API,VDR}VERSNUM >= 10703" by "#if 1" and "#if APIVERSNUM < 10703" by "#if 0" should do the trick.
Have I got this wrong?
[root@freddy server]# diff recplayer.c recplayer.c.orig 37c37 < #if 1 ---
#if VDRVERSNUM >= 10703
61c61 < #if 0 ---
#if APIVERSNUM < 10703
102c102 < #if 1 ---
#if APIVERSNUM >= 10703
138c138 < #if 0 ---
#if APIVERSNUM < 10703
245c245 < #if 1 ---
#if VDRVERSNUM >= 10703