def quick_render(shapes, output_fmt, fps, wave_path):
import subprocess
if len(shapes) > 0:
render = cfdg((800, 800))
t0, cpt = time.time(), 0
print "rendering, please wait"
for shape in shapes:
render.do(shape, output_fmt % cpt)
print "%06d\r" % cpt,
cpt += 1
print "%d image rendered in %d seconds" % (cpt, time.time() - t0)
output_base = output_fmt[:output_fmt.index('%06d')]
av = ["mencoder", "mf://%s*.png" % output_base, "-mf", "fps=%d:type=png" % fps,
"-ovc", "lavc", "-lavcopts", "vcodec=mpeg4:vbitrate=4096",
"-oac", "mp3lame", "-audiofile", "%s.wav" % wave_path,
"-o", "%s.avi" % output_base]
print "Encoding with: %s" % ' '.join(av)
if subprocess.Popen(av).wait() != 0:
print "encodage a plante"
return
print "Demo !"
subprocess.Popen(["mplayer", "%s.avi" % output_base]).wait()
def main():
# dirty getopt
if check_argv("--help"):
print "usage: %s [--options]\n"%sys.argv[0] + \
"--list\tlist audio devices\n" + \
"--fps %d\tframe per seconds\n" + \
"--shape\tset default starting shape\n" + \
"(--input-device %d) || (--wave && --output-device %d) || (--noinput)\taudio processing option\n" + \
"--opengl\tswitch to opengl rendering\n" + \
"--render path\tsave image and outputs a video !\n"
return
if check_argv("--list"):
return print_devices_index()
in_dev_idx = get_argv("--input-device", None)
out_dev_idx = get_argv("--output-device", None)
fps = get_argv("--fps", 25)
test_ihm = check_argv("--noinput")
infile = get_argv("--wave", None, str)
start_shape = get_argv("--shape", 0)
if "--gains" in sys.argv:
idx = sys.argv.index("--gains")
start_amps = (float(sys.argv[idx+1]),
float(sys.argv[idx+2]),
float(sys.argv[idx+3]),
float(sys.argv[idx+4]))
del sys.argv[idx:idx+5]
else:
start_amps = (1.0, 1.0, 1.0, 1.0)
opengl = check_argv("--opengl")
if opengl:
import gl_ihm
import gl_shapes
render_video = False
output_fmt = get_argv("--render", None, str)
if output_fmt:
if output_fmt.find('%06d') == -1:
raise RuntimeError("output_fmt must contain %06d")
render_video = True
to_render = []
if opengl:
shapes = gl_shapes.shapes
else:
shapes = cf_shapes.shapes
while len(sys.argv) > 1:
if sys.argv[1] in shapes[start_shape].params.keys():
shapes[start_shape].params[sys.argv[1]].value = float(sys.argv[2])
del sys.argv[1:3]
else:
break
if len(sys.argv) != 1:
raise RuntimeError("Unknown parameters: %s" % sys.argv[1:])
if test_ihm:
input = fake_audio_process()
else:
input = audio_process(
infile = infile,
fps = fps,
input_device_index = in_dev_idx,
output_device_index = out_dev_idx
)
slow_render = False
if opengl:
render = gl_ihm.window
viewer = render
else:
render = cfdg()
viewer = pngwindow()
control = controler(viewer, shapes, start_shape, start_amps)
t0, cpt = time.time(), 0
rate = 1/float(fps)
try:
gl_cpt = 0
while True:
# audio indicateurs (amps, frequencies)
inputs = input.recv(render_video)
fft = inputs[4]
# apply controllers gains
gains = control.get_gains()
amps = map(lambda x: x*gains[0], inputs[:4])
for idx in xrange(1, len(gains)):
amps[idx] = amps[idx] * gains[idx]
shape = control.get_shape()
# generate shape
s = shapes[shape].get(amps, fft)
of = None
if render_video:
if opengl:
of = output_fmt % gl_cpt
else:
# save shape for further rendering
to_render.append(s)
if control.dump_shape():
print s
# render image
t1 = time.time()
img = render.do(s, of)
render_time = time.time() - t1
if render_time - rate > 0.01:
if not slow_render:
print "%f sec to render, %f sec below limit (1/%d)" % (
render_time, render_time - rate, fps)
slow_render = True
else:
slow_render = False
# display image
viewer.show(img)
gl_cpt += 1
cpt += 1
if t1 - t0 > 10:
print "%d Frames generated in 10 seconds" % cpt
t0, cpt = t1, 0
except KeyboardInterrupt:
pass
# except Exception, e:
# print "oups:", e
# auto render
# if render_video:
# if not opengl:
# viewer.close()
# quick_render(to_render, output_fmt, fps, infile)
print "exiting"
