vidi/Timeline.py: add a stop() method
[vidi-player.git] / create_test_videofont.py
index d113875..2f83fc2 100755 (executable)
@@ -4,26 +4,30 @@ import sys
 import os
 import vidi
 
 import os
 import vidi
 
+#FONT_DESC = "Andale Mono, 72"
+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)
 
 LIVE_PIPELINE_TEMPLATE = """
   videotestsrc num-buffers=1 pattern=black ! \
 
 LIVE_PIPELINE_TEMPLATE = """
   videotestsrc num-buffers=1 pattern=black ! \
-          textoverlay valignment=center halignment=center font-desc="Sans, 72" text="{0}" ! \
+          textoverlay valignment=center halignment=center font-desc="%s" text="{0}" ! \
           autovideosink \
           autovideosink \
-  audiotestsrc num-buffers=100 freq={1:f} ! \
+  audiotestsrc num-buffers=%d freq={1:f} ! audio/x-raw,rate=48000 ! \
           autoaudiosink
           autoaudiosink
-"""
-
-#FONT_DESC = "Andale Mono, 72"
-FONT_DESC = "Mono, 72"
+""" % (FONT_DESC, NUM_AUDIO_BUFFERS)
 
 FILE_PIPELINE_TEMPLATE = """
   matroskamux name=mux ! filesink location="{2}/sample_{0}.mkv"
   videotestsrc num-buffers=1 pattern=black ! \
           textoverlay valignment=center halignment=center font-desc="%s" text="{0}" ! \
           queue ! schroenc rate-control=3 ! mux.
 
 FILE_PIPELINE_TEMPLATE = """
   matroskamux name=mux ! filesink location="{2}/sample_{0}.mkv"
   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.
           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):
 
 
 def create_test_videofont(pipeline_template, notes_range, destination_dir=None):