DCP-o-matic unit tests
----------------------

They can be grouped roughly into the following:

* Self-contained tests of single classes / method sets

AudioAnalysis:    audio_analysis_test
AudioBuffers:     audio_buffers_test
AudioDecoder:     audio_decoder_test
AudioMapping:     audio_mapping_test
ColourConversion: colour_conversion_test
FileGroup:        file_group_test
Image:            image_test, pixel_formats_test, make_black_test
Player:           player_test
Job/JobManager:   job_test
SubRip:           subrip_test
Ratio:            ratio_test
Resampler:	  resampler_test
util.cc:          util_test

* "Complete" builds of DCPs with various characteristics, aiming
to test broad areas of code

4k_test
threed_test

* Tests of fairly specific areas

audio_delay_test
black_fill_test
client_server_test
film_metadata_test
frame_rate_test
recover_test
repeat_frame_test
scaling_test
silence_padding_test
skip_frame_test

  - FFmpeg decoding

  ffmpeg_audio_test
  ffmpeg_dcp_test
  ffmpeg_decoder_seek_test
  ffmpeg_decoder_sequential_test
  ffmpeg_examiner_test
  ffmpeg_pts_offset_test
  seek_zero_test.cc
  stream_test