SEE (actually, WATCH) https://www.youtube.com/watch?v=QuYc4ulaf5U

promo.pub-v1.ffmp.rb

|o|
# NOTE Run me like this: | <ffmprb> <OUT-PATH>

# NOTE for previewing
# video_output_options = {resolution: Ffmprb::HD_720p, fps: 30, encoder: 'libx264'}
# NOTE for further processing:
video_output_options = {resolution: Ffmprb::HD_4K, fps: 60, encoder: 'huffyuv'}
# NOTE for viewing
# video_output_options = {resolution: Ffmprb::HD_1080p, fps: 60, encoder: 'libx265'}
# NOTE for dev
# video_output_options = {}

class InputSlideCropper
  def initialize(inp, cols = 1, rows = 1)
    fail "not much of a slideshow"  unless
      rows > 0 && cols > 0 && rows + cols > 2
    @inp = inp
    @h1 = 1.0/(@rows = rows)
    @w1 = 1.0/(@cols = cols)
  end
  def slide(col = 1, row = 1)
    fail "hey, I don't have that many (#{col}, #{row}) cols/rows, just #{@cols}, #{@rows}"  unless
      row <= @rows && col <= @cols
    @inp.crop top: @h1 * (row - 1), bottom: @h1*(@rows - row), left: @w1 * (col - 1), right: @w1*(@cols - col)
  end
end

inp_face =
  input('/media/2023/07/06/Movie Recording 2023-07-06 at 07.55.00.mov')
inp_face_1 =
  input('/media/2023/07/06/Movie Recording 2023-07-06 at 07.55.00.mov')
inp_face_2 =
  input('/media/2023/07/06/Movie Recording 2023-07-06 at 07.55.00.mov')
inp_face_3 =
  input('/media/2023/07/06/Movie Recording 2023-07-06 at 07.55.00.mov')
inp_ols = InputSlideCropper.new(
  input('/media/2023/06/28/media_ 2023_06_28 proj_ costashapiro.com_works_ad - spaced.png', loop: true),
  2, 5
)
inp_mus =
  input('/media/3000booking.de/Timboletti - Elektronisk Folke Dans - Guestmix.mp3')
    .volume(0.09)

LENGTH = 439
output o, video: video_output_options do  # 07:19

  overlays = []
  curr_time = 0

  define_singleton_method :paste do |from, to, inp=inp_face|
    lay inp.cut(from: from, to: to)
    curr_time += to - from
  end

  #hl0 - coming in
  paste 20, 26, inp_face
  overlays << [inp_ols.slide(1, 1), curr_time, 18]
  #hl1
  paste 361, 380, inp_face_1
  paste 26, 33, inp_face
  #hl2
  paste 223, 248, inp_face_2
  paste 33, 58, inp_face
  #hl0 + coming in
  overlays << [inp_ols.slide(1, 2), curr_time, 6]
  paste 12, 26, inp_face_3
  paste 94, 108, inp_face
  overlays << [inp_ols.slide(2, 2), curr_time, 12]
  paste 108, 131, inp_face
  overlays << [inp_ols.slide(2, 3), curr_time, 6]
  paste 131, 155, inp_face
  overlays << [inp_ols.slide(1, 3), curr_time, 54]
  paste 155, 330, inp_face
  overlays << [inp_ols.slide(1, 4), curr_time, 18]
  paste 330, 360, inp_face
  overlays << [inp_ols.slide(2, 4), curr_time, 6]
  paste 360, 396, inp_face
  overlays << [inp_ols.slide(1, 5), curr_time, 6]
  paste 396, 420, inp_face
  overlays << [inp_ols.slide(2, 5), curr_time, 12]
  paste 420, 437, inp_face

  fail "Script-internal error: total LENGTH !~ #{curr_time}"  unless
    (curr_time - LENGTH).abs < 1

  # NOTE suppose the logo is at (2, 1),
  # the overlays are sequential and at least couple of seconds apart
  # and the logo comes up after the first overlay and disappears before the last
  inp_logo = inp_ols.slide(2, 1)
  before_at = 0
  overlays.each do |inp, at, len|
    unless before_at == 0
      overlay inp_logo.cut(to: at - before_at - 2), at: before_at + 1
    end
    overlay inp.cut(to: len), at: at
    before_at = at + len
  end

  overlay inp_mus.cut(to: LENGTH - 6*2), at: 6
end