def run(self):
global frames_cache
frame_levels = [None] * self.clip_media_length
frames_cache[self.clip.path] = frame_levels
gtk.gdk.threads_enter()
self.dialog.progress_bar.set_fraction(0.0)
self.dialog.progress_bar.set_text(str(0) + "%")
while (gtk.events_pending()):
gtk.main_iteration()
gtk.gdk.threads_leave()
time.sleep(0.2)
for frame in range(0, len(frame_levels)):
if self.abort:
break
self.temp_clip.seek(frame)
mlt.frame_get_waveform(self.temp_clip.get_frame(), 10, 50)
val = self.levels.get(RIGHT_CHANNEL)
if val == None:
val = 0.0
frame_levels[frame] = float(val)
self.last_rendered_frame = frame
if frame % 500 == 0:
render_fraction = float(self.last_rendered_frame) / float(
self.clip_media_length)
gtk.gdk.threads_enter()
self.dialog.progress_bar.set_fraction(render_fraction)
pros = int(render_fraction * 100)
self.dialog.progress_bar.set_text(str(pros) + "%")
while (gtk.events_pending()):
gtk.main_iteration()
gtk.gdk.threads_leave()
time.sleep(0.1)
if not self.abort:
self.clip.waveform_data = frame_levels
write_file = file(self.file_cache_path, "wb")
pickle.dump(frame_levels, write_file)
gtk.gdk.threads_enter()
self.dialog.progress_bar.set_fraction(1.0)
self.dialog.progress_bar.set_text(_("Saving to Hard Drive"))
gtk.gdk.threads_leave()
else:
frames_cache.pop(self.clip.path, None)
updater.repaint_tline()
# Set thread ref to None to flag that no waveforms are being created
global waveform_thread
waveform_thread = None
_waveform_render_stop(self.dialog, None)
def run(self):
global frames_cache
frame_levels = [None] * self.clip_media_length
frames_cache[self.clip.path] = frame_levels
Gdk.threads_enter()
self.dialog.progress_bar.set_fraction(0.0)
self.dialog.progress_bar.set_text(str(0) + "%")
while(Gtk.events_pending()):
Gtk.main_iteration()
Gdk.threads_leave()
time.sleep(0.2)
for frame in range(0, len(frame_levels)):
if self.abort:
break
self.temp_clip.seek(frame)
mlt.frame_get_waveform(self.temp_clip.get_frame(), 10, 50)
val = self.levels.get(RIGHT_CHANNEL)
if val == None:
val = 0.0
frame_levels[frame] = float(val)
self.last_rendered_frame = frame
if frame % 500 == 0:
render_fraction = float(self.last_rendered_frame) / float(self.clip_media_length)
Gdk.threads_enter()
self.dialog.progress_bar.set_fraction(render_fraction)
pros = int(render_fraction * 100)
self.dialog.progress_bar.set_text(str(pros) + "%")
while(Gtk.events_pending()):
Gtk.main_iteration()
Gdk.threads_leave()
time.sleep(0.1)
if not self.abort:
self.clip.waveform_data = frame_levels
write_file = file(self.file_cache_path, "wb")
pickle.dump(frame_levels, write_file)
Gdk.threads_enter()
self.dialog.progress_bar.set_fraction(1.0)
self.dialog.progress_bar.set_text(_("Saving to Hard Drive"))
Gdk.threads_leave()
else:
frames_cache.pop(self.clip.path, None)
updater.repaint_tline()
# Set thread ref to None to flag that no waveforms are being created
global waveform_thread
waveform_thread = None
_waveform_render_stop(self.dialog, None)
def run(self):
frame_levels = [None] * self.clip_media_length
for frame in range(0, len(frame_levels)):
self.temp_clip.seek(frame)
mlt.frame_get_waveform(self.temp_clip.get_frame(), 10, 50)
val = self.levels.get(RIGHT_CHANNEL)
if val == None:
val = 0.0
frame_levels[frame] = float(val)
self.last_rendered_frame = frame
write_file = file(self.file_cache_path, "wb")
pickle.dump(frame_levels, write_file)
def run(self):
frame_levels = [None] * self.clip_media_length
for frame in range(0, len(frame_levels)):
self.temp_clip.seek(frame)
mlt.frame_get_waveform(self.temp_clip.get_frame(), 10, 50)
val = self.levels.get(RIGHT_CHANNEL)
if val == None:
val = 0.0
frame_levels[frame] = float(val)
self.last_rendered_frame = frame
write_file = file(self.file_cache_path, "wb")
pickle.dump(frame_levels, write_file)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import mlt
from PIL import Image
mlt.Factory.init()
profile = mlt.Profile()
prod = mlt.Producer(profile, "test.wav")
size = (320, 240)
for i in range(0, prod.get_length()):
frm = prod.get_frame()
wav = mlt.frame_get_waveform(frm, size[0], size[1])
img = Image.fromstring("L", size, wav)
img.save("test-%04d.pgm" % (i))