X-Git-Url: https://git.ao2.it/vidi-player.git/blobdiff_plain/4ed04d98bb6205b3d96ab924991a1adc7a9465f3..e935970f46bea9196f5076179b7d53396babaef2:/create_test_videofont.py diff --git a/create_test_videofont.py b/create_test_videofont.py index d113875..fb0699f 100755 --- a/create_test_videofont.py +++ b/create_test_videofont.py @@ -4,14 +4,18 @@ import sys import os import vidi +SAMPLE_LENGTH_SECONDS = 4 + +# 48000 samples per seconds, at 1024 samples per buffer +NUM_AUDIO_BUFFERS = round(SAMPLE_LENGTH_SECONDS * 48000 / 1024) LIVE_PIPELINE_TEMPLATE = """ videotestsrc num-buffers=1 pattern=black ! \ textoverlay valignment=center halignment=center font-desc="Sans, 72" text="{0}" ! \ autovideosink \ - audiotestsrc num-buffers=100 freq={1:f} ! \ + audiotestsrc num-buffers=%d freq={1:f} ! audio/x-raw,rate=48000 ! \ autoaudiosink -""" +""" % NUM_AUDIO_BUFFERS #FONT_DESC = "Andale Mono, 72" FONT_DESC = "Mono, 72" @@ -21,9 +25,9 @@ FILE_PIPELINE_TEMPLATE = """ videotestsrc num-buffers=1 pattern=black ! \ textoverlay valignment=center halignment=center font-desc="%s" text="{0}" ! \ queue ! schroenc rate-control=3 ! mux. - audiotestsrc num-buffers=100 freq={1:f} ! \ + audiotestsrc num-buffers=%d freq={1:f} ! audio/x-raw,rate=48000 ! \ queue ! audioconvert ! vorbisenc quality=0.5 ! queue ! mux. -""" % FONT_DESC +""" % (FONT_DESC, NUM_AUDIO_BUFFERS) def create_test_videofont(pipeline_template, notes_range, destination_dir=None):