Demuxer image2pipe [piped image2 sequence]:
image2pipe demuxer AVOptions:
-framerate         <string>     .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        <string>     .D.... set video size
-frame_size        <int>        .D.... force frame size in bytes (from 0 to INT_MAX)

