X-Git-Url: https://git.ao2.it/vidi-player.git/blobdiff_plain/4ed04d98bb6205b3d96ab924991a1adc7a9465f3..4cd0a64f760b6138a62141c087da38a1b787ac5b:/vidi-player.py diff --git a/vidi-player.py b/vidi-player.py index 04c8941..8fcabc4 100755 --- a/vidi-player.py +++ b/vidi-player.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# vidi-player - generate GStreamer Editing Services timelines from midi +# vidi-player - play video samples interactively from a midi file # # Copyright (C) 2016 Antonio Ospite # @@ -17,63 +17,14 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see . + import os import sys -import mido import vidi -def is_note(msg): - return msg.type == 'note_on' or msg.type == 'note_off' - - -def is_note_on(msg): - return msg.type == 'note_on' and msg.velocity > 0 - - -def is_note_off(msg): - return ((msg.type == 'note_on' and msg.velocity == 0) or - (msg.type == 'note_off')) - - -def check_overlapping_notes(midi_file): - previous_note_on = False - for msg in midi_file: - if is_note_on(msg) and msg.channel == 0: - if previous_note_on: - return True - - previous_note_on = True - elif is_note_off(msg) and msg.channel == 0: - previous_note_on = False - - return False - - -def timeline_from_midi(midi_file, video_font_path): - timeline = vidi.Timeline() - - elapsed_time = 0 - start_time = 0 - for msg in midi_file: - elapsed_time += msg.time - if is_note_on(msg) and msg.channel == 0: - start_time = elapsed_time - elif is_note_off(msg) and msg.channel == 0: - note = vidi.MidiNote(msg.note) - duration = elapsed_time - start_time - print("Note name: %s start_time: %f duration: %f" % - (note.name, start_time, duration)) - - video_sample_path = "%s/sample_%s.mkv" % (video_font_path, note.name) - - timeline.add_clip(video_sample_path, start_time, duration) - - return timeline - - def usage(): - print("usage: %s []" + print("usage: %s " % os.path.basename(sys.argv[0])) @@ -86,27 +37,15 @@ def main(): usage() return 1 - midi_file = mido.MidiFile(sys.argv[1]) - - overlapping_notes = check_overlapping_notes(midi_file) - if overlapping_notes: - sys.stderr.write("Sorry, supporting only midi file with no overlapping notes") - return 1 - if not os.path.isdir(sys.argv[2]): - sys.stderr.write("The second argument must be the path of the videofont directory") + sys.stderr.write("The second argument must be the path of the videofont directory\n") usage() return 1 video_font_path = os.path.realpath(sys.argv[2]) - - timeline = timeline_from_midi(midi_file, video_font_path) - - if len(sys.argv) > 3: - timeline.save(sys.argv[3]) - else: - timeline.play() + sampler = vidi.FileSampler(video_font_path, sys.argv[1]) + sampler.play() -if __name__ == "__main__": +if __name__ == '__main__': sys.exit(main())