def mmap_send(mmap, mmap_size, image, rgb_formats, supports_transparency):
if mmap_write is None:
warn_encoding_once("mmap_write missing", "cannot use mmap!")
return None
if image.get_pixel_format() not in rgb_formats:
if not rgb_reformat(image, rgb_formats, supports_transparency):
warning_key = "mmap_send(%s)" % image.get_pixel_format()
warn_encoding_once(warning_key, "cannot use mmap to send %s" % image.get_pixel_format())
return None
start = time.time()
data = image.get_pixels()
mmap_data, mmap_free_size = mmap_write(mmap, mmap_size, data)
elapsed = time.time()-start+0.000000001 #make sure never zero!
log("%s MBytes/s - %s bytes written to mmap in %.1f ms", int(len(data)/elapsed/1024/1024), len(data), 1000*elapsed)
if mmap_data is None:
return None
#replace pixels with mmap info:
return mmap_data, mmap_free_size, len(data)
def mmap_send(mmap, mmap_size, image, rgb_formats, supports_transparency):
if mmap_write is None:
warn_encoding_once("mmap_write missing", "cannot use mmap!")
return None
if image.get_pixel_format() not in rgb_formats:
if not rgb_reformat(image, rgb_formats, supports_transparency):
warning_key = "mmap_send(%s)" % image.get_pixel_format()
warn_encoding_once(warning_key, "cannot use mmap to send %s" % image.get_pixel_format())
return None
start = time.time()
data = image.get_pixels()
mmap_data, mmap_free_size = mmap_write(mmap, mmap_size, data)
elapsed = time.time()-start+0.000000001 #make sure never zero!
log("%s MBytes/s - %s bytes written to mmap in %.1f ms", int(len(data)/elapsed/1024/1024), len(data), 1000*elapsed)
if mmap_data is None:
return None
#replace pixels with mmap info:
return mmap_data, mmap_free_size, len(data)
def mmap_send(mmap, mmap_size, image, rgb_formats, supports_transparency):
if mmap_write is None:
if first_time("mmap_write missing"):
log.warn("Warning: cannot use mmap, no write method support")
return None
if image.get_pixel_format() not in rgb_formats:
if not rgb_reformat(image, rgb_formats, supports_transparency):
warning_key = "mmap_send(%s)" % image.get_pixel_format()
if first_time(warning_key):
log.warn("Waening: cannot use mmap to send %s" % image.get_pixel_format())
return None
start = monotonic_time()
data = image.get_pixels()
assert data, "failed to get pixels from %s" % image
mmap_data, mmap_free_size = mmap_write(mmap, mmap_size, data)
elapsed = monotonic_time()-start+0.000000001 #make sure never zero!
log("%s MBytes/s - %s bytes written to mmap in %.1f ms", int(len(data)/elapsed/1024/1024), len(data), 1000*elapsed)
if mmap_data is None:
return None
#replace pixels with mmap info:
return mmap_data, mmap_free_size, len(data)
