Fix audio and video timing

Fixes keroserene#21

.gitignore

@@ -1 +1,2 @@
+*.swp
 unused/*

roll.sh

@@ -63,7 +63,7 @@ if has? afplay; then
   afplay /tmp/roll.s16 &
 elif has? aplay; then
   # On Linux, if |aplay| available, stream raw sound.
-  obtainium $audio_raw | aplay -Dplug:default -q -f S16_LE -r 8000 &
+  obtainium $audio_raw | aplay -Dplug:default -q -f S16_LE -r 16000 &
 elif has? play; then
   # On Cygwin, if |play| is available (via sox), pre-fetch compressed audio.
   obtainium $audio_gsm >/tmp/roll.gsm.wav
@@ -77,12 +77,12 @@ audpid=$!
 python <(cat <<EOF
 import sys
 import time
-fps = 25; time_per_frame = 1.0 / fps
+fps = 30; time_per_frame = 1.0 / fps
 buf = ''; frame = 0; next_frame = 0
 begin = time.time()
 try:
   for i, line in enumerate(sys.stdin):
-    if i % 32 == 0:
+    if i % fps == 0:
       frame += 1
       sys.stdout.write(buf); buf = ''
       elapsed = time.time() - begin