X-Git-Url: https://git.ao2.it/vidi-player.git/blobdiff_plain/d4d41f13508af2043b3934797bbd1e57bc2df5cc..7debfa86ea34c87aead56d92bf08b9a0b51feeef:/create_test_videofont.py diff --git a/create_test_videofont.py b/create_test_videofont.py index 2f83fc2..92f17b5 100755 --- a/create_test_videofont.py +++ b/create_test_videofont.py @@ -9,28 +9,45 @@ FONT_DESC = "Mono, 72" SAMPLE_LENGTH_SECONDS = 4 -# 48000 samples per seconds, at 1024 samples per buffer -NUM_AUDIO_BUFFERS = round(SAMPLE_LENGTH_SECONDS * 48000 / 1024) +VIDEO_FRAMERATE = 25 +VIDEO_BUFFERS = SAMPLE_LENGTH_SECONDS * VIDEO_FRAMERATE + +AUDIO_SAMPLERATE = 48000 +AUDIO_SAMPLESPERBUFFER = 1024 +AUDIO_BUFFERS = round(SAMPLE_LENGTH_SECONDS * 48000 / 1024) LIVE_PIPELINE_TEMPLATE = """ - videotestsrc num-buffers=1 pattern=black ! \ + videotestsrc num-buffers=%d pattern=black ! video/x-raw,framerate=%d/1 ! \ textoverlay valignment=center halignment=center font-desc="%s" text="{0}" ! \ autovideosink \ - audiotestsrc num-buffers=%d freq={1:f} ! audio/x-raw,rate=48000 ! \ + audiotestsrc num-buffers=%d samplesperbuffer=%d freq={1:f} ! audio/x-raw,rate=%d ! \ autoaudiosink -""" % (FONT_DESC, NUM_AUDIO_BUFFERS) +""" % (VIDEO_BUFFERS, VIDEO_FRAMERATE, FONT_DESC, AUDIO_BUFFERS, + AUDIO_SAMPLESPERBUFFER, AUDIO_SAMPLERATE) FILE_PIPELINE_TEMPLATE = """ - matroskamux name=mux ! filesink location="{2}/sample_{0}.mkv" - videotestsrc num-buffers=1 pattern=black ! \ + webmmux name=mux ! filesink location="{2}/sample_{0}.webm" + videotestsrc num-buffers=%d pattern=black ! video/x-raw,framerate=%d/1 ! \ textoverlay valignment=center halignment=center font-desc="%s" text="{0}" ! \ - queue ! schroenc rate-control=3 ! mux. - audiotestsrc num-buffers=%d freq={1:f} ! audio/x-raw,rate=48000 ! \ + queue ! vp9enc ! mux. + audiotestsrc num-buffers=%d samplesperbuffer=%d freq={1:f} ! audio/x-raw,rate=%d ! \ queue ! audioconvert ! vorbisenc quality=0.5 ! queue ! mux. -""" % (FONT_DESC, NUM_AUDIO_BUFFERS) +""" % (VIDEO_BUFFERS, VIDEO_FRAMERATE, FONT_DESC, AUDIO_BUFFERS, + AUDIO_SAMPLESPERBUFFER, AUDIO_SAMPLERATE) + +PNG_REST_SAMPLE_TEMPLATE = """ + videotestsrc num-buffers=1 pattern=black ! \ + textoverlay valignment=center halignment=center font-desc="%s" text="rest" ! \ + pngenc ! filesink location="{0}/sample_rest.png" +""" % FONT_DESC def create_test_videofont(pipeline_template, notes_range, destination_dir=None): + print("Silence") + pipeline_string = pipeline_template.format("rest", 0, destination_dir) + player = vidi.Player.from_pipeline_string(pipeline_string) + player.play() + for i, note_number in enumerate(notes_range): note = vidi.SpnNote(note_number) @@ -66,6 +83,10 @@ def main(): os.mkdir(destination_dir) create_test_videofont(FILE_PIPELINE_TEMPLATE, notes_range, destination_dir) + + pipeline_string = PNG_REST_SAMPLE_TEMPLATE.format(destination_dir) + player = vidi.Player.from_pipeline_string(pipeline_string) + player.play() else: create_test_videofont(LIVE_PIPELINE_TEMPLATE, notes_range)