RB resize watermark success

D:\DESKTOP\video WM test>ffmpeg -i ausklinken.mov -i watermark.png -filter_complex "scale=-1:1080,ov
erlay=main_w-overlay_w:main_h-overlay_h" release.mp4
ffmpeg version N-52233-gee94362 Copyright (c) 2000-2013 the FFmpeg developers
  built on Apr 18 2013 02:50:33 with gcc 4.8.0 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzli
b --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libblu
ray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libr
tmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwola
me --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264
 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 26.100 / 52. 26.100
  libavcodec     55.  2.100 / 55.  2.100
  libavformat    55.  2.100 / 55.  2.100
  libavdevice    55.  0.100 / 55.  0.100
  libavfilter     3. 56.103 /  3. 56.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'ausklinken.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 537331968
    compatible_brands: qt  CAEP
    creation_time   : 2013-04-15 18:14:31
  Duration: 00:00:30.46, start: 0.000000, bitrate: 25091 kb/s
    Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuvj420p, 1280x720, 23
529 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 60k tbc
    Metadata:
      creation_time   : 2013-04-15 18:14:31
    Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s
    Metadata:
      creation_time   : 2013-04-15 18:14:31
Input #1, image2, from 'watermark.png':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #1:0: Video: png, rgba, 400x281 [SAR 2835:2835 DAR 400:281], 25 tbr, 25 tbn, 25 tbc
[libx264 @ 03ebce00] using cpu capabilities: MMX2 SSE2Fast SSEMisalign LZCNT
[libx264 @ 03ebce00] profile High, level 4.0
[libx264 @ 03ebce00] 264 - core 130 r2274 c832fe9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - ht
tp://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subm
e=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,
11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 i
nterlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 we
ightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc
=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'release.mp4':
  Metadata:
    major_brand     : qt
    minor_version   : 537331968
    compatible_brands: qt  CAEP
    encoder         : Lavf55.2.100
    Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1920x1080, q=-1--1, 30k tbn, 29.97 t
bc
    Stream #0:1(eng): Audio: aac ([64][0][0][0] / 0x0040), 48000 Hz, stereo, s16, 128 kb/s
    Metadata:
      creation_time   : 2013-04-15 18:14:31
Stream mapping:
  Stream #0:0 (h264) -> scale (graph 0)
  Stream #1:0 (png) -> overlay:overlay (graph 0)
  overlay (graph 0) -> Stream #0:0 (libx264)
  Stream #0:1 -> #0:1 (pcm_s16le -> libvo_aacenc)
Press [q] to stop, [?] for help
frame=  913 fps= 15 q=2686559.0 Lsize=   12375kB time=00:00:30.47 bitrate=3326.7kbits/s
video:11864kB audio:477kB subtitle:0 global headers:0kB muxing overhead 0.275081%
[libx264 @ 03ebce00] frame I:4     Avg QP:21.89  size: 73753
[libx264 @ 03ebce00] frame P:399   Avg QP:24.28  size: 21431
[libx264 @ 03ebce00] frame B:510   Avg QP:25.35  size:  6475
[libx264 @ 03ebce00] consecutive B-frames:  1.4% 67.9% 13.1% 17.5%
[libx264 @ 03ebce00] mb I  I16..4: 14.0% 79.2%  6.8%
[libx264 @ 03ebce00] mb P  I16..4:  1.7%  2.9%  0.0%  P16..4: 56.2%  7.4%  6.0%  0.0%  0.0%    skip:
25.7%
[libx264 @ 03ebce00] mb B  I16..4:  0.1%  0.1%  0.0%  B16..8: 36.0%  0.6%  0.1%  direct: 0.9%  skip:
62.2%  L0:39.9% L1:59.1% BI: 1.0%
[libx264 @ 03ebce00] 8x8 transform intra:64.1% inter:91.7%
[libx264 @ 03ebce00] coded y,uvDC,uvAC intra: 41.9% 56.6% 2.8% inter: 14.1% 23.5% 0.0%
[libx264 @ 03ebce00] i16 v,h,dc,p:  8% 25%  9% 59%
[libx264 @ 03ebce00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 25% 28%  5%  5%  5%  8%  3% 12%
[libx264 @ 03ebce00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 35% 13%  5%  6%  7%  9%  5%  7%
[libx264 @ 03ebce00] i8c dc,h,v,p: 58% 30%  9%  4%
[libx264 @ 03ebce00] Weighted P-Frames: Y:5.8% UV:0.0%
[libx264 @ 03ebce00] ref P L0: 52.5% 11.3% 22.8% 12.9%  0.4%
[libx264 @ 03ebce00] ref B L0: 69.6% 26.3%  4.1%
[libx264 @ 03ebce00] ref B L1: 96.0%  4.0%
[libx264 @ 03ebce00] kb/s:3190.20