You can use
RTMPexplorer + RTMPdump package to automate the download process.
Code:
rtmpdump -r "rtmpe://fmss.vpro.nl/media" -a "media" -f "WIN 10,3,183,7" -W "http://3voor12.vpro.nl/flash/vodmediaplayer-23082011.swf" -p "http://3voor12.vpro.nl/tv/" -C B:0 -y "mp4:45085903.mp4" -o mp4_45085903.flv
Code:
RTMPDump v2.4 GIT-2011-08-11 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
INFO: Connected...
Starting download at: 0.000 kB
INFO: Metadata:
INFO: duration 1077.56
INFO: moovPosition 169380599.00
INFO: width 480.00
INFO: height 272.00
INFO: videocodecid avc1
INFO: audiocodecid mp4a
INFO: avcprofile 77.00
INFO: avclevel 31.00
INFO: aacaot 2.00
INFO: videoframerate 25.00
INFO: audiosamplerate 44100.00
INFO: audiochannels 2.00
INFO: trackinfo:
INFO: length 26939000.00
INFO: timescale 25000.00
INFO: language eng
INFO: sampledescription:
INFO: sampletype avc1
INFO: length 47518720.00
INFO: timescale 44100.00
INFO: language eng
INFO: sampledescription:
INFO: sampletype mp4a
4486.630 kB / 28.86 sec (2.6%)