Hogyan lehet eltávolítani az ffmpeg-et?

A következő VOB fájlom van:

→ ffmpeg -i input.vob output:

ffmpeg version N-77455-g4707497 Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04) configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libdcadec --enable-libfreetype --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab libavutil 55. 11.100 / 55. 11.100 libavcodec 57. 20.100 / 57. 20.100 libavformat 57. 20.100 / 57. 20.100 libavdevice 57. 0.100 / 57. 0.100 libavfilter 6. 21.101 / 6. 21.101 libavresample 3. 0. 0 / 3. 0. 0 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.101 / 2. 0.101 libpostproc 54. 0.100 / 54. 0.100 Input #0, mpeg, from "input.vob": Duration: 00:31:36.96, start: 0.335967, bitrate: 6517 kb/s Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg), 720x576 [SAR 64:45 DAR 16:9], max. 9800 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x80]: Audio: ac3, 48000 Hz, stereo, fltp, 256 kb/s 

→ mediainfo input.vob kimenet:

General Complete name : input.vob Format : MPEG-PS File size : 1.44 GiB Duration : 31mn 36s Overall bit rate mode : Variable Overall bit rate : 6 518 Kbps Video ID : 224 (0xE0) Format : MPEG Video Format version : Version 2 Format profile : Main@Main Format settings, BVOP : Yes Format settings, Matrix : Default Format settings, GOP : M=3, N=12 Format settings, picture structure : Frame Duration : 31mn 36s Bit rate mode : Variable Bit rate : 6 132 Kbps Maximum bit rate : 9 800 Kbps Width : 720 pixels Height : 576 pixels Display aspect ratio : 16:9 Frame rate : 25.000 fps Standard : PAL Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Interlaced Scan order : Top Field First Compression mode : Lossy Bits/(Pixel*Frame) : 0.591 Time code of first frame : 00:00:00:00 Time code source : Group of pictures header Stream size : 1.35 GiB (94%) Color primaries : BT.601 PAL Transfer characteristics : BT.470 System B, BT.470 System G Matrix coefficients : BT.601 Audio ID : 189 (0xBD)-128 (0x80) Format : AC-3 Format/Info : Audio Coding 3 Mode extension : CM (complete main) Format settings, Endianness : Big Muxing mode : DVD-Video Duration : 31mn 36s Bit rate mode : Constant Bit rate : 256 Kbps Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 48.0 KHz Compression mode : Lossy Stream size : 57.9 MiB (4%) 

A következő paranccsal alakítottam át mp4-be:

ffmpeg -i input.vob -c:v libx264 -preset slow -crf 19 -c:a aac -b:a 256k -threads 0 output.mp4 

A kapott videóban ezt a hatást látom:

Hogyan tudom megoldani?