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changeset 549:fc14e2e87e9e

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add preload safety to ascoltami2 Ignore-this: e60dad9c288f05ed91acd2a2ed827389
author drewp@bigasterisk.com
date Tue, 15 Jun 2010 05:44:32 +0000
parents f65d7d1cae67
children f233fa1ec801
files light9/ascoltami/player.py
diffstat 1 files changed, 14 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/light9/ascoltami/player.py	Tue Jun 15 05:40:38 2010 +0000
+++ b/light9/ascoltami/player.py	Tue Jun 15 05:44:32 2010 +0000
@@ -63,11 +63,25 @@
         """
         log.info("set song to %r" % songUri)
         self.pipeline.set_state(gst.STATE_READY)
+        self.preload(songUri)
         self.pipeline.set_property("uri", songUri)
         # todo: don't have any error report yet if the uri can't be read
         self.pipeline.set_state(gst.STATE_PLAYING)
         self.playStartTime = time.time()
 
+    def preload(self, songUri):
+        """
+        to avoid disk seek stutters, which happened sometimes (in 2007) with the
+        non-gst version of this program, we read the whole file to get
+        more OS caching.
+
+        i don't care that it's blocking.
+        """
+        assert songUri.startswith('file://')
+        p = songUri[len('file://'):]
+        log.info("preloading %s", p)
+        open(p).read()
+
     def currentTime(self):
         try:
             cur, _format = self.playbin.query_position(gst.FORMAT_TIME)