> ffmpeg -i concat:'01001.mp4|01002.mp4' out.mp4 ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers built on Aug 19 2012 10:44:04 with clang 4.0 ((tags/Apple/clang-421.0.60)) configuration: --prefix=/usr/local/Cellar/ffmpeg/0.11.1 --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-libfreetype --cc=/usr/bin/clang --host-cflags='-Os -w -pipe -march=native -Qunused-arguments -mmacosx-version-min=10.8' --host-ldflags='-L/usr/local/Cellar/gettext/0.18.1.1/lib -L/usr/local/lib -L/opt/X11/lib' --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libass --enable-libvo-aacenc --disable-ffplay 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 [h264 @ 0x7fb093819000] AVC: nal size 34471936 [h264 @ 0x7fb093819000] no frame! [aac @ 0x7fb09383c000] Prediction is not allowed in AAC-LC. [h264 @ 0x7fb093819000] AVC: nal size 23789568 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 363 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 88320 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 24903680 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1325400065 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1744830465 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 99584 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 23658496 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 25559040 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -2013265919 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 102912 [h264 @ 0x7fb093819000] no frame! 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[h264 @ 0x7fb093819000] AVC: nal size 219890176 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 2000027664 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 174784536 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1157620800 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 558784256 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1167327268 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 2838212 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 3026103 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -2021261258 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1148583997 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1079377986 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1879029576 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 5046011 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1660157869 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1487327488 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1557595392 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 6570805 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 6801513 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 7356291 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1966834176 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1754201988 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 8470143 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 2139619464 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 494928012 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 9471532 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -301950907 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -877854564 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1547239936 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 10983333 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -71368529 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 855684093 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1351282582 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -152973552 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1762116621 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1224470981 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -775476991 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 656702252 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -2063658511 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 997908149 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -358304610 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1519366632 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -543533250 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1943352629 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1464713345 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1601535403 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1590829650 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1141028019 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -727867424 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1188391595 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1645706333 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -2075595025 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1651077599 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -940168207 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 471931972 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1763724218 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -277382448 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1832709776 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -2041273825 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1297672824 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1630046178 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 771030639 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1417645509 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1249923094 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -610749584 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1233219253 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 391503610 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 656018841 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 556658380 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 523180002 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1273748545 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 48840509 [h264 @ 0x7fb093819000] no frame! 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[h264 @ 0x7fb093819000] AVC: nal size -1128538256 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 94913678 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -421392207 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1655776145 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1654104725 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1306954315 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -494051842 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -106744207 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 2042876024 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -507398287 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -334261769 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -280131136 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1109211011 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1163490989 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1812817645 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 2115096812 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 2017490909 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -934077579 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 484868674 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1337448993 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1532065048 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1261447134 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1945009532 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1869242341 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1162152073 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -1592427502 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -145074271 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 826743645 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -64482294 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1253823905 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size -2008910345 [h264 @ 0x7fb093819000] no frame! [h264 @ 0x7fb093819000] AVC: nal size 1456637188 [h264 @ 0x7fb093819000] no frame! [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fb093806600] max_analyze_duration 5000000 reached at 5000000 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fb093806600] decoding for stream 2 failed [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fb093806600] Could not find codec parameters (Video: h264 (avc1 / 0x31637661), 717 kb/s) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'concat:01001.mp4|01002.mp4': Metadata: title : Buckminster Fuller - Everything I Know - Part 1 - http://www.archive.org/details/buckminsterfullereverythingiknow01 major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 creation_time : 1970-01-01 00:00:00 encoder : Lavf53.18.0 Duration: 00:00:22.24, start: 0.000000, bitrate: 7648 kb/s Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x480, 694 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc Metadata: creation_time : 1970-01-01 00:00:00 handler_name : VideoHandler Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, s16, 123 kb/s Metadata: creation_time : 1970-01-01 00:00:00 handler_name : SoundHandler Stream #0:2(und): Video: h264 (avc1 / 0x31637661), 717 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc Metadata: creation_time : 1970-01-01 00:00:00 handler_name : VideoHandler Stream #0:3(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, s16, 124 kb/s Metadata: creation_time : 1970-01-01 00:00:00 handler_name : SoundHandler [buffer @ 0x7fb09340fda0] w:640 h:480 pixfmt:yuv420p tb:1/30 sar:0/1 sws_param:flags=2 [buffersink @ 0x7fb0934102e0] No opaque field provided [libx264 @ 0x7fb09381a200] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX [libx264 @ 0x7fb09381a200] profile High, level 3.0 [libx264 @ 0x7fb09381a200] 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=6 lookahead_threads=1 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 'out.mp4': Metadata: title : Buckminster Fuller - Everything I Know - Part 1 - http://www.archive.org/details/buckminsterfullereverythingiknow01 major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 creation_time : 1970-01-01 00:00:00 encoder : Lavf54.6.100 Stream #0:0(und): Video: h264 (![0][0][0] / 0x0021), yuv420p, 640x480, q=-1--1, 30 tbn, 30 tbc Metadata: creation_time : 1970-01-01 00:00:00 handler_name : VideoHandler Stream #0:1(und): Audio: aac (@[0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s Metadata: creation_time : 1970-01-01 00:00:00 handler_name : SoundHandler Stream mapping: Stream #0:0 -> #0:0 (h264 -> libx264) Stream #0:1 -> #0:1 (aac -> libfaac) Press [q] to stop, [?] for help frame= 5510 fps= 91 q=0.0 Lsize= 11808kB time=00:03:03.60 bitrate= 526.8kbits/s video:9467kB audio:2149kB global headers:0kB muxing overhead 1.649667% [libx264 @ 0x7fb09381a200] frame I:24 Avg QP:17.65 size: 29057 [libx264 @ 0x7fb09381a200] frame P:2009 Avg QP:20.75 size: 3833 [libx264 @ 0x7fb09381a200] frame B:3477 Avg QP:26.02 size: 372 [libx264 @ 0x7fb09381a200] consecutive B-frames: 15.0% 2.0% 2.0% 81.1% [libx264 @ 0x7fb09381a200] mb I I16..4: 18.7% 28.4% 52.9% [libx264 @ 0x7fb09381a200] mb P I16..4: 5.7% 3.5% 0.9% P16..4: 35.3% 7.8% 3.8% 0.0% 0.0% skip:43.0% [libx264 @ 0x7fb09381a200] mb B I16..4: 0.1% 0.0% 0.0% B16..8: 16.6% 0.4% 0.1% direct: 3.0% skip:79.8% L0:47.6% L1:50.8% BI: 1.6% [libx264 @ 0x7fb09381a200] 8x8 transform intra:33.6% inter:61.3% [libx264 @ 0x7fb09381a200] coded y,uvDC,uvAC intra: 27.6% 83.2% 49.8% inter: 5.0% 16.0% 1.0% [libx264 @ 0x7fb09381a200] i16 v,h,dc,p: 56% 24% 10% 9% [libx264 @ 0x7fb09381a200] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 17% 35% 2% 2% 3% 3% 2% 3% [libx264 @ 0x7fb09381a200] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 25% 14% 4% 7% 6% 8% 5% 6% [libx264 @ 0x7fb09381a200] i8c dc,h,v,p: 35% 34% 21% 10% [libx264 @ 0x7fb09381a200] Weighted P-Frames: Y:1.7% UV:0.8% [libx264 @ 0x7fb09381a200] ref P L0: 74.6% 7.8% 12.1% 5.4% 0.1% [libx264 @ 0x7fb09381a200] ref B L0: 90.8% 8.2% 0.9% [libx264 @ 0x7fb09381a200] ref B L1: 94.5% 5.5% [libx264 @ 0x7fb09381a200] kb/s:422.22