$ f PAL-DV_countdown_3b_testPattern-stnd.mov -s 768x568 -aspect "4:3" withAspectOnly.mp4 ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers built on Sep 21 2012 15:14:10 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3) configuration: --prefix=/usr/local/Cellar/ffmpeg/0.11.1 --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --cc=/usr/bin/gcc-4.2 --host-cflags='-Os -w -pipe -march=core2 -mmacosx-version-min=10.6' --host-ldflags='-L/usr/local/lib -L/usr/X11/lib' --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libopenjpeg libavutil 51. 54.100 / 51. 54.100 libavcodec 54. 23.100 / 54. 23.100 libavformat 54. 6.100 / 54. 6.100 libavdevice 54. 0.100 / 54. 0.100 libavfilter 2. 77.100 / 2. 77.100 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 15.100 / 0. 15.100 libpostproc 52. 0.100 / 52. 0.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'PAL-DV_countdown_3b_testPattern-stnd.mov': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt creation_time : 2012-09-10 00:29:29 Duration: 00:00:09.00, start: 0.000000, bitrate: 30341 kb/s Stream #0:0(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536 kb/s Metadata: creation_time : 2012-09-10 00:29:29 handler_name : Apple Alias Data Handler Stream #0:1(eng): Video: dvvideo (dvcp / 0x70637664), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 28800 kb/s, SAR 59:54 DAR 295:216, 25 fps, 25 tbr, 2500 tbn, 25 tbc Metadata: creation_time : 2012-09-10 00:29:29 handler_name : Apple Alias Data Handler [buffer @ 0x101717c60] w:720 h:576 pixfmt:yuv420p tb:1/2500 sar:59/54 sws_param:flags=2 [buffersink @ 0x101717f60] No opaque field provided [scale @ 0x101718180] w:720 h:576 fmt:yuv420p sar:59/54 -> w:768 h:568 fmt:yuv420p sar:20945/20736 flags:0x4 [libx264 @ 0x10180fa00] using SAR=71/72 [libx264 @ 0x10180fa00] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64 [libx264 @ 0x10180fa00] profile High, level 3.1 [libx264 @ 0x10180fa00] 264 - core 125 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - 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=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 'withAspectOnly.mp4': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt creation_time : 2012-09-10 00:29:29 encoder : Lavf54.6.100 Stream #0:0(eng): Video: h264 (![0][0][0] / 0x0021), yuv420p, 768x568 [SAR 71:72 DAR 4:3], q=-1--1, 25 tbn, 25 tbc Metadata: creation_time : 2012-09-10 00:29:29 handler_name : Apple Alias Data Handler Stream #0:1(eng): Audio: aac (@[0][0][0] / 0x0040), 48000 Hz, stereo, s16, 128 kb/s Metadata: creation_time : 2012-09-10 00:29:29 handler_name : Apple Alias Data Handler Stream mapping: Stream #0:1 -> #0:0 (dvvideo -> libx264) Stream #0:0 -> #0:1 (pcm_s16le -> libfaac) Press [q] to stop, [?] for help frame= 225 fps= 92 q=0.0 Lsize= 548kB time=00:00:08.92 bitrate= 503.0kbits/s video:532kB audio:8kB global headers:0kB muxing overhead 1.456360% [libx264 @ 0x10180fa00] frame I:1 Avg QP:24.86 size: 14001 [libx264 @ 0x10180fa00] frame P:82 Avg QP:26.00 size: 3131 [libx264 @ 0x10180fa00] frame B:142 Avg QP:28.74 size: 1923 [libx264 @ 0x10180fa00] consecutive B-frames: 12.4% 7.1% 9.3% 71.1% [libx264 @ 0x10180fa00] mb I I16..4: 62.0% 14.5% 23.5% [libx264 @ 0x10180fa00] mb P I16..4: 8.5% 2.2% 1.9% P16..4: 5.3% 0.6% 0.6% 0.0% 0.0% skip:80.9% [libx264 @ 0x10180fa00] mb B I16..4: 0.1% 0.5% 0.3% B16..8: 1.3% 0.2% 0.1% direct: 1.5% skip:96.0% L0:43.3% L1:50.2% BI: 6.5% [libx264 @ 0x10180fa00] 8x8 transform intra:20.9% inter:31.8% [libx264 @ 0x10180fa00] coded y,uvDC,uvAC intra: 29.0% 35.6% 28.8% inter: 1.6% 0.6% 0.2% [libx264 @ 0x10180fa00] i16 v,h,dc,p: 57% 42% 1% 0% [libx264 @ 0x10180fa00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 13% 37% 7% 5% 5% 5% 7% 7% [libx264 @ 0x10180fa00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 52% 15% 4% 4% 3% 4% 3% 4% [libx264 @ 0x10180fa00] i8c dc,h,v,p: 42% 38% 17% 2% [libx264 @ 0x10180fa00] Weighted P-Frames: Y:1.2% UV:1.2% [libx264 @ 0x10180fa00] ref P L0: 31.6% 4.9% 51.3% 12.2% [libx264 @ 0x10180fa00] ref B L0: 45.1% 39.0% 15.9% [libx264 @ 0x10180fa00] ref B L1: 93.3% 6.7% [libx264 @ 0x10180fa00] kb/s:483.38