# ffmpeg -fflags +genpts -i VTS_01_1.VOB -i VTS_01_2.VOB -ss 00:00:00 -to 01:06:19 -vcodec hevc -x265-params crf=20 -sn -acodec ac3 -filter_complex '[0:#0x1e0] [0:#0x80] [0:#0x81] [1:#0x1e0] [1:#0x80] [1:#0x81] concat=n=2:v=1:a=2 [v] [a1] [a2]' -map '[v]' -map '[a1]' -map '[a2]' e01.mkv
ffmpeg version 2.2.7 Copyright (c) 2000-2014 the FFmpeg developers
  built on Sep 13 2014 12:27:47 with gcc 4.7.3 (Gentoo 4.7.3-r1 p1.4, pie-0.5.5)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared --cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++ --ar=x86_64-pc-linux-gnu-ar --optflags='-O2 -pipe -march=core-avx-i' --extra-cflags='-O2 -pipe -march=core-avx-i' --extra-cxxflags='-O2 -pipe -march=core-avx-i' --disable-static --enable-gpl --enable-postproc --enable-avfilter --enable-avresample --disable-stripping --enable-version3 --disable-indev=v4l2 --disable-outdev=v4l2 --disable-indev=oss --disable-indev=jack --disable-outdev=oss --enable-bzlib --disable-runtime-cpudetect --disable-debug --disable-doc --disable-gnutls --enable-hardcoded-tables --enable-iconv --enable-network --disable-openssl --enable-ffplay --disable-vaapi --enable-vdpau --enable-zlib --enable-libvo-aacenc --disable-libvo-amrwbenc --enable-libmp3lame --disable-libaacplus --disable-libfaac --disable-libtheora --disable-libtwolame --disable-libwavpack --disable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --disable-libcdio --disable-libiec61883 --disable-libdc1394 --disable-libcaca --disable-openal --enable-opengl --disable-libv4l2 --enable-libpulse --enable-x11grab --disable-libflite --disable-frei0r --disable-fontconfig --disable-ladspa --disable-libass --enable-libfreetype --disable-libsoxr --enable-pthreads --disable-libopencore-amrwb --disable-libopencore-amrnb --disable-libfdk-aac --disable-libopenjpeg --disable-libbluray --disable-libcelt --disable-libgme --disable-libgsm --disable-libmodplug --disable-libopus --disable-libquvi --disable-librtmp --disable-libssh --disable-libschroedinger --disable-libspeex --enable-libvorbis --disable-libvpx --disable-libzvbi --disable-armv5te --disable-armv6 --disable-armv6t2 --disable-neon --disable-vfp --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --disable-mipsfpu --disable-altivec --disable-amd3dnow --disable-amd3dnowext --disable-avx --disable-avx2 --disable-fma3 --disable-fma4 --disable-mmxext --disable-sse3 --disable-ssse3 --disable-sse4 --disable-sse42 --cpu=core-avx-i
  libavutil      52. 66.100 / 52. 66.100
  libavcodec     55. 52.102 / 55. 52.102
  libavformat    55. 33.100 / 55. 33.100
  libavdevice    55. 10.100 / 55. 10.100
  libavfilter     4.  2.100 /  4.  2.100
  libavresample   1.  2.  0 /  1.  2.  0
  libswscale      2.  5.102 /  2.  5.102
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
Input #0, mpeg, from 'VTS_01_1.VOB':
  Duration: 00:25:08.97, start: 0.280633, bitrate: 5692 kb/s
    Stream #0:0[0x1bf]: Data: dvd_nav_packet
    Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg), 720x576 [SAR 16:15 DAR 4:3], max. 9800 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:2[0x80]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
    Stream #0:3[0x81]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
    Stream #0:4[0x82]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
    Stream #0:5[0x83]: Audio: ac3, 48000 Hz, stereo, fltp, 224 kb/s
[mpeg2video @ 0x1c2ddf0] Invalid frame dimensions 0x0.
    Last message repeated 1 times
Input #1, mpeg, from 'VTS_01_2.VOB':
  Duration: 26:12:39.77, start: 1509.119267, bitrate: 91 kb/s
    Stream #1:0[0x83]: Audio: ac3, 48000 Hz, stereo, fltp, 224 kb/s
    Stream #1:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9], max. 9800 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #1:2[0x80]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
    Stream #1:3[0x81]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
    Stream #1:4[0x82]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
    Stream #1:5[0x1bf]: Data: dvd_nav_packet
    Stream #1:6[0x20]: Subtitle: dvd_subtitle
    Stream #1:7[0x21]: Subtitle: dvd_subtitle
File 'e01.mkv' already exists. Overwrite ? [y/N] y
[Parsed_concat_0 @ 0x17e9a90] Input link in1:v0 parameters (size 720x576, SAR 64:45) do not match the corresponding output link in0:v0 parameters (720x576, SAR 16:15)
[Parsed_concat_0 @ 0x17e9a90] Failed to configure output pad on Parsed_concat_0
Conversion failed!