Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer
Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
from Carbon.Sound import *
from Carbon import Snd
import aifc, audioop
fn = 'f:just samples:2ndbeat.aif'
af = aifc.open(fn, 'r')
print af.getparams()
print 'nframes =', af.getnframes()
print 'nchannels =', af.getnchannels()
print 'framerate =', af.getframerate()
nframes = min(af.getnframes(), 100000)
frames = af.readframes(nframes)
print 'len(frames) =', len(frames)
print repr(frames[:100])
frames = audioop.add(frames, '\x80'*len(frames), 1)
print repr(frames[:100])
import struct
header1 = struct.pack('llhhllbbl',
0,
af.getnchannels(),
af.getframerate(),0,
0,
0,
0xFF,
60,
nframes)
print repr(header1)
header2 = struct.pack('llhlll', 0, 0, 0, 0, 0, 0)
header3 = struct.pack('hhlll',
af.getsampwidth()*8,
0,
0,
0,
0)
print repr(header3)
header = header1 + header2 + header3
buffer = header + frames
chan = Snd.SndNewChannel(5,0x00C0)
Snd.SndDoCommand(chan, (bufferCmd, 0, buffer), 0)