Demuxer image2pipe [piped image2 sequence]:
image2pipe demuxer AVOptions:
  -framerate         <video_rate> .D.... set the video framerate
  -loop              <int>        .D.... force loop over input file sequence (from 0 to 1)
  -pattern_type      <int>        .D.... set pattern type (from 0 to INT_MAX)
     glob_sequence                .D.... select glob/sequence pattern type
     glob                         .D.... select glob pattern type
     sequence                     .D.... select sequence pattern type
  -pixel_format      <string>     .D.... set video pixel format
  -start_number      <int>        .D.... set first number in the sequence (from 0 to INT_MAX)
  -start_number_range <int>        .D.... set range for looking at the first sequence number (from 1 to INT_MAX)
  -video_size        <image_size> .D.... set video size
  -frame_size        <int>        .D.... force frame size in bytes (from 0 to INT_MAX)
  -ts_from_file      <int>        .D.... set frame timestamp from file's one (from 0 to 1)

