misc/encode_vts_streams

   1 #!/bin/sh
   2
   3 mediadir=/home/ds/media
   4
   5 all="SD-default SD-VBR-10dB SD-VBR-20dB SD-VBR-30dB SD-VBR-40dB \
   6     SD-CBR-250kb SD-CBR-500kb \
   7     SD-CBR-1Mb SD-CBR-2Mb SD-LD-40Mb SD-LD-10Mb SD-lossless SD-intra-only"
   8
   9 list="$all"
  10 #list=SD-default
  11
  12 extraopts=""
  13
  14 trap exit INT
  15
  16 get_profile() {
  17   case $1 in
  18     SD-default) schroopts="" ;;
  19     SD-VBR-10dB) schroopts="rate-control=0 noise-threshold=10" ;;
  20     SD-VBR-20dB) schroopts="rate-control=0 noise-threshold=20" ;;
  21     SD-VBR-30dB) schroopts="rate-control=0 noise-threshold=30" ;;
  22     SD-VBR-40dB) schroopts="rate-control=0 noise-threshold=40" ;;
  23     SD-CBR-250kb) schroopts="rate-control=1 bitrate=250000" ;;
  24     SD-CBR-500kb) schroopts="rate-control=1 bitrate=500000" ;;
  25     SD-CBR-1Mb) schroopts="rate-control=1 bitrate=1000000" ;;
  26     SD-CBR-2Mb) schroopts="rate-control=1 bitrate=2000000" ;;
  27     SD-LD-40Mb) schroopts="rate-control=2 bitrate=41472000 intra-wavelet=1" ;;
  28     SD-LD-20Mb) schroopts="rate-control=2 bitrate=20736000 intra-wavelet=1" ;;
  29     SD-LD-10Mb) schroopts="rate-control=2 bitrate=10368000 intra-wavelet=1" ;;
  30     SD-lossless) schroopts="rate-control=3" ;;
  31     SD-intra-only) schroopts="gop-structure=1" ;;
  32   esac
  33 }
  34
  35 encode() {
  36   # engine3
  37   get_profile $prof
  38   output=$file.$prof.drc
  39   gst-launch-0.10 videotestsrc num-buffers=300 ! \
  40     cairotimeoverlay ! \
  41     cairotextoverlay text="$prof" halign=left deltay=-100 ! \
  42     ffmpegcolorspace ! \
  43     video/x-raw-yuv,format=\(fourcc\)"UYVY",width=$width,height=$height,framerate=$framerate,pixel-aspect-ratio=$par ! \
  44     ffmpegcolorspace ! \
  45     schroenc $schroopts $extraopts ! \
  46     filesink location=$output
  47 }
  48
  49 encode_all() {
  50   input=$mediadir/$subdir/$file.yuv
  51   size=$(($height*$width*2))
  52
  53   for each in $list
  54   do
  55     prof=$each
  56     encode
  57   done
  58 }
  59
  60
  61 height=480
  62 width=720
  63 par=10/11
  64 framerate=30/1
  65 file=vts
  66
  67 encode_all
  68