[FFmpeg-user] trim AND fade video

[Paul B Mahol]

On 4/29/13, Ryan M <rymerrick at gmail.com> wrote:
> Hello,
> I am taking video and trimming it into sections. This works fine but I'd
> also like to, at the same time, fade those sections in and out.  This is
> the command I'm trying and the results.  Any help would be appreciated.
> thanks
>
>  ffmpeg -i "/mnt/dsm_dvdrip/vob/processed/022891452898.vob" -ss 0:0:0.0 -t
> 195 -vf fade=in:0:150 -vf fade=out:5700:150 -vf afade=t=in:ss=0:d=5 -vf

afade is not video filter, you are using ss (start sample) while more likely
you want st (start time).

Please read documentation.

> afade=t=out:ss=190:d=5 -crf 25.0 -vcodec libx264 -ar 48000 -ab 128k -ac 2
> -coder 1 -flags +loop -partitions +parti4x4+partp8x8+partb8x8 -me_method
> hex -subq 6 -me_range 16 -g 250 -keyint_min 25 -sc_threshold 40 -i_qfactor
> 0.71 -b_strategy 1 -y -threads 0 -map 0:1 -map 0:2
> "/mnt/dsm_dvdrip/encodes/chunked/022891452898/022891452898_chap1.mp4"
>
> ffmpeg version N-51331-g7b3ca7a Copyright (c) 2000-2013 the FFmpeg
> developers
>   built on Mar 26 2013 16:16:36 with gcc 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1)
>   configuration: --enable-gpl --enable-libfaac --enable-libmp3lame
> --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora
> --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree
> --enable-version3 --enable-x11grab
>   libavutil      52. 22.101 / 52. 22.101
>   libavcodec     55.  1.100 / 55.  1.100
>   libavformat    55.  0.100 / 55.  0.100
>   libavdevice    55.  0.100 / 55.  0.100
>   libavfilter     3. 48.105 /  3. 48.105
>   libswscale      2.  2.100 /  2.  2.100
>   libswresample   0. 17.102 /  0. 17.102
>   libpostproc    52.  2.100 / 52.  2.100
> [mpeg @ 0x1cc0040] max_analyze_duration 5000000 reached at 5005000
> microseconds
> Input #0, mpeg, from '/mnt/dsm_dvdrip/vob/processed/022891452898.vob':
>   Duration: 00:36:13.63, start: 0.233567, bitrate: 7220 kb/s
>     Stream #0:0[0x1bf]: Data: dvd_nav_packet
>     Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x480 [SAR 8:9
> DAR 4:3], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
>     Stream #0:2[0x80]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 448 kb/s
>     Stream #0:3[0x81]: Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
> [abuffer @ 0x1cb7d40] Value inf for parameter 'time_base' out of range [0 -
> 2.14748e+09]
> Error opening filters!
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