Command and output below, with color renderings from the cmd processor
C:\Program Files\Serviio\lib>ffmpeg.exe -i "D:\test.mp4" outtest.mp4
ffmpeg version N-54096-ge41bf19 Copyright (c) 2000-2013 the FFmpeg developers
built on Jun 18 2013 10:49:28 with gcc 4.7.2 (GCC)
configuration: --enable-static --disable-shared --disable-ffplay --disable-ffserver --enable-memalign-hack --enable-libmp3lame --enable-libass
--enable-librtmp --enable-fontconfig --enable-libfreetype --enable-zlib --enable-libx264 --extra-libs='-lrtmp -lpolarssl -lws2_32
-lwinmm -lexpat -lfreetype -lfribidi -lz' --arch=x86 --enable-runtime-cpudetect --enable-pthreads --target-os=mingw32
--cross-prefix=i686-w64-mingw32- --enable-gpl --pkg-config=pkg-config
libavutil 52. 37.101 / 52. 37.101
libavcodec 55. 16.100 / 55. 16.100
libavformat 55. 9.100 / 55. 9.100
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 77.101 / 3. 77.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\test.mp4':
Metadata:
major_brand : isom
minor_version : 1
compatible_brands: isomavc1
creation_time : 2014-10-04 17:09:23
Duration: 02:11:34.46, start: 0.000000, bitrate: 2125 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x800, 2027 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc
Metadata:
creation_time : 2014-10-04 17:09:23
handler_name : video.264#trackID=1:fps=23.976 - Imported with GPAC 0.5.0-rev4065
Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 93 kb/s
Metadata:
creation_time : 2014-10-04 17:09:49
handler_name : GPAC ISO Audio Handler
[libx264 @ 035ED1E0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 035ED1E0] profile High, level 4.0
[libx264 @ 035ED1E0] 264 - core 133 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 -
http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=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=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=23 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
[aac @ 052E4460] The encoder 'aac' is experimental but experimental codecs are not enabled, add '-strict -2' if you want to use it.I hope you can find something that triggers the right setting in transcoding.