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• do something with script output

  3 novembre 2017, par Opolo Webdesign

  I’m lazy :) so I would like to automate some things on my network. Currently I’m running a script that automatically downloads the series I watch every week. Based on what is downloaded another script searches the web for subtitles. Some downloads however have subtitles with them, so searching for subtitles is not necessary. I would like to check every download for subtitles and get notified (or better move the file) if the file has the correct subtitles.

  I started with the following :

  find /volume2/Downloads/ -type f -mmin -30 | while IFS= read -r file; do
  
      ffmpeg -i "${file}"
  
  done

  This works and shows me the output of the ffmpeg command for each file newer than 30 minutes. I would like to work with the result given by ffmpeg so that when certain characters are present in the output, I’m notified via mail. My Linux scripting skills however stop at the script I got. I’m a web developer so I understand the logic behind a script like this, but not the specific code or commands.

  Characters that I’m looking for :

  • (eng) : Subtitle :
  • (dut) : Subtitle :

  Can this be done ?

  Edit :

  I did some more research and did some changes to my script :

  find /volume2/Downloads/ -type f -mmin -60 | while IFS= read -r file; do
  
      if ffmpeg -i "${file}" | grep -q '(dut): Subtitle:'; then
  
          echo "matched"
  
      fi
  
  done

  Instead of "matched" it shows the ffmpeg output, but it’s probably a step in the right direction ?

• FFMPEG - how to convert large file to much smaller file to view on LG smart TV

  18 juin 2019, par PAW

  I have edited a home movie thru Davinci Resolve and the output has been rendered/saved on my PC. For some strange reason it seems huge and nothing will play it (apart from within Resolve itself) and none of my conversion software will convert it from the huge file to something smaller I can watch on my LG smart TV (handbrake, video converter).

  I downloaded FFMPEG and installed it, then ran a command to examine the file. Results posted here. Does this mean that FFMPEG has found the codec and I can convert it ? and has anyone any suggestions on what to convert it to ?

  Many thanks

  ffmpeg -i C:\Users\PAW\Videos\Resolve\untitled.mov
  
  
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\PAW\Videos\Resolve\untitled.mo
  
  v':
  
  
  
    Metadata:
  
  
  
      major_brand     : qt
  
      minor_version   : 512
  
      compatible_brands: qt
  
      encoder         : Lavf57.25.100
  
  
  
  Duration: 01:09:43.81, start: 0.000000, bitrate: 390431 kb/s
  
      Stream #0:0(eng): Video: dnxhd (DNXHR 444) (AVdh / 0x68645641), yuv444p12le(
  
  tv, bt709/unknown/unknown), 1280x720, 388894 kb/s, 59.94 fps, 59.94 tbr, 60k tbn
  
  , 60k tbc (default)
  
  
  
      Metadata:
  
        handler_name    : Core Media Data Handler
  
        timecode        : 01:00:00:00
  
      Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s1
  
  6, 1536 kb/s (default)
  
      Metadata:
  
        handler_name    : Core Media Data Handler
  
      Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
  
      Metadata:
  
        handler_name    : Core Media Data Handler
  
        timecode        : 01:00:00:00

• FFmpeg Arthenica always encodes with x265 Main10 profile [closed]

  5 avril, par Jabed Dhali

  I'm using FFmpeg-Kit (Arthenica) for iOS to compress videos using the libx265 encoder. I'm building FFmpeg with a custom configuration script :

  


  export CUSTOM_CONFIG="--disable-indevs \
  --disable-outdevs \
  --disable-hwaccels \
  --enable-videotoolbox \
  --disable-protocols \
  --enable-protocol=file,fd,saf,async \
  --disable-decoders \
  --enable-decoder=${ENABLE_DECODER_LIST} \
  --disable-encoders \
  --enable-encoder=${ENABLE_ENCODER_LIST}"

export CUSTOM_CONFIG_IOS=${CUSTOM_CONFIG}
  ./ios.sh --enable-ios-videotoolbox --enable-lame --enable-libaom  --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 --enable-opencore-amr --enable-openh264 --enable-opus --enable-twolame --enable-x264 --enable-x265 --enable-gpl


  


  Then I run FFmpeg with the following commands :

  


  -y -hide_banner -i input.MOV -vcodec libx265 -x265-params profile=main output.mov
-y -hide_banner -i input.MOV -vcodec libx265 -x265-params profile=main10 output.mov


  


  However, regardless of the profile I set, the output always ends up being encoded with the Main10 profile.

  


  Here’s the log output :

  


  x265 [info]: HEVC encoder version 3.4
x265 [info]: build info [Mac OS X][clang 16.0.0][32 bit][noasm] 10bit
x265 [info]: using cpu capabilities: none!
x265 [info]: Main 10 profile, Level-5 (Main tier)


  


  It seems that the FFmpeg build only supports 10-bit encoding. I want to be able to encode with different profiles (main, main10, etc.), as well as to build libx265 in a way that supports 8-bit + 10-bit + 12-bit encoding (unified 64-bit build), as like as the same command executes for MacOS.

  


  x265 [info]: HEVC encoder version 4.1+1-1d117be
x265 [info]: build info [Mac OS X][clang 16.0.0][64 bit] 8bit+10bit+12bit
x265 [info]: using cpu capabilities: NEON Neon_DotProd Neon_I8MM
x265 [info]: Main profile, Level-2.1 (Main tier)


  


  How can I correctly configure and build FFmpeg and libx265 with Mobile FFmpeg to support multiple bit depths and allow setting different profiles via -x265-params ?