forked from s444420/AL-2020
175 lines
6.7 KiB
Python
175 lines
6.7 KiB
Python
import unittest
|
|
|
|
from numpy import int8, int16, uint8, uint16, float32, array, alltrue
|
|
|
|
import pygame
|
|
from pygame.compat import as_bytes
|
|
import pygame.sndarray
|
|
|
|
|
|
SDL2 = pygame.get_sdl_version()[0] >= 2
|
|
|
|
|
|
class SndarrayTest (unittest.TestCase):
|
|
array_dtypes = {8: uint8, -8: int8, 16: uint16, -16: int16, 32: float32}
|
|
|
|
def _assert_compatible(self, arr, size):
|
|
dtype = self.array_dtypes[size]
|
|
self.assertEqual(arr.dtype, dtype)
|
|
|
|
def test_array(self):
|
|
|
|
def check_array(size, channels, test_data):
|
|
try:
|
|
pygame.mixer.init(22050, size, channels, allowedchanges=0)
|
|
except pygame.error:
|
|
# Not all sizes are supported on all systems.
|
|
return
|
|
try:
|
|
__, sz, __ = pygame.mixer.get_init()
|
|
if sz == size:
|
|
srcarr = array(test_data, self.array_dtypes[size])
|
|
snd = pygame.sndarray.make_sound(srcarr)
|
|
arr = pygame.sndarray.array(snd)
|
|
self._assert_compatible(arr, size)
|
|
self.assertTrue(alltrue(arr == srcarr),
|
|
"size: %i\n%s\n%s" % (
|
|
size, arr, test_data))
|
|
finally:
|
|
pygame.mixer.quit()
|
|
|
|
check_array(8, 1, [0, 0x0f, 0xf0, 0xff])
|
|
check_array(8, 2,
|
|
[[0, 0x80], [0x2D, 0x41], [0x64, 0xA1], [0xff, 0x40]])
|
|
check_array(16, 1, [0, 0x00ff, 0xff00, 0xffff])
|
|
check_array(16, 2, [[0, 0xffff], [0xffff, 0],
|
|
[0x00ff, 0xff00], [0x0f0f, 0xf0f0]])
|
|
check_array(-8, 1, [0, -0x80, 0x7f, 0x64])
|
|
check_array(-8, 2,
|
|
[[0, -0x80], [-0x64, 0x64], [0x25, -0x50], [0xff, 0]])
|
|
check_array(-16, 1, [0, 0x7fff, -0x7fff, -1])
|
|
check_array(-16, 2, [[0, -0x7fff], [-0x7fff, 0],
|
|
[0x7fff, 0], [0, 0x7fff]])
|
|
|
|
def test_get_arraytype(self):
|
|
array_type = pygame.sndarray.get_arraytype()
|
|
|
|
self.assertEqual(array_type, 'numpy',
|
|
"unknown array type %s" % array_type)
|
|
|
|
def test_get_arraytypes(self):
|
|
arraytypes = pygame.sndarray.get_arraytypes()
|
|
self.assertIn('numpy', arraytypes)
|
|
|
|
for atype in arraytypes:
|
|
self.assertEqual(atype, 'numpy', "unknown array type %s" % atype)
|
|
|
|
def test_make_sound(self):
|
|
|
|
def check_sound(size, channels, test_data):
|
|
try:
|
|
pygame.mixer.init(22050, size, channels, allowedchanges=0)
|
|
except pygame.error:
|
|
# Not all sizes are supported on all systems.
|
|
return
|
|
try:
|
|
__, sz, __ = pygame.mixer.get_init()
|
|
if sz == size:
|
|
srcarr = array(test_data, self.array_dtypes[size])
|
|
snd = pygame.sndarray.make_sound(srcarr)
|
|
arr = pygame.sndarray.samples(snd)
|
|
self.assertTrue(alltrue(arr == srcarr),
|
|
"size: %i\n%s\n%s" % (
|
|
size, arr, test_data))
|
|
finally:
|
|
pygame.mixer.quit()
|
|
|
|
check_sound(8, 1, [0, 0x0f, 0xf0, 0xff])
|
|
check_sound(8, 2,
|
|
[[0, 0x80], [0x2D, 0x41], [0x64, 0xA1], [0xff, 0x40]])
|
|
check_sound(16, 1, [0, 0x00ff, 0xff00, 0xffff])
|
|
check_sound(16, 2, [[0, 0xffff], [0xffff, 0],
|
|
[0x00ff, 0xff00], [0x0f0f, 0xf0f0]])
|
|
check_sound(-8, 1, [0, -0x80, 0x7f, 0x64])
|
|
check_sound(-8, 2,
|
|
[[0, -0x80], [-0x64, 0x64], [0x25, -0x50], [0xff, 0]])
|
|
check_sound(-16, 1, [0, 0x7fff, -0x7fff, -1])
|
|
check_sound(-16, 2, [[0, -0x7fff], [-0x7fff, 0],
|
|
[0x7fff, 0], [0, 0x7fff]])
|
|
|
|
if SDL2:
|
|
check_sound(32, 2, [[0.0, -1.0], [-1.0, 0], [1.0, 0], [0, 1.0]])
|
|
|
|
def test_samples(self):
|
|
|
|
null_byte = as_bytes('\x00')
|
|
def check_sample(size, channels, test_data):
|
|
try:
|
|
pygame.mixer.init(22050, size, channels, allowedchanges=0)
|
|
except pygame.error:
|
|
# Not all sizes are supported on all systems.
|
|
return
|
|
try:
|
|
__, sz, __ = pygame.mixer.get_init()
|
|
if sz == size:
|
|
zeroed = null_byte * ((abs(size) // 8) *
|
|
len(test_data) *
|
|
channels)
|
|
snd = pygame.mixer.Sound(buffer=zeroed)
|
|
samples = pygame.sndarray.samples(snd)
|
|
self._assert_compatible(samples, size)
|
|
##print ('X %s' % (samples.shape,))
|
|
##print ('Y %s' % (test_data,))
|
|
samples[...] = test_data
|
|
arr = pygame.sndarray.array(snd)
|
|
self.assertTrue(alltrue(samples == arr),
|
|
"size: %i\n%s\n%s" % (
|
|
size, arr, test_data))
|
|
finally:
|
|
pygame.mixer.quit()
|
|
|
|
check_sample(8, 1, [0, 0x0f, 0xf0, 0xff])
|
|
check_sample(8, 2,
|
|
[[0, 0x80], [0x2D, 0x41], [0x64, 0xA1], [0xff, 0x40]])
|
|
check_sample(16, 1, [0, 0x00ff, 0xff00, 0xffff])
|
|
check_sample(16, 2, [[0, 0xffff], [0xffff, 0],
|
|
[0x00ff, 0xff00], [0x0f0f, 0xf0f0]])
|
|
check_sample(-8, 1, [0, -0x80, 0x7f, 0x64])
|
|
check_sample(-8, 2,
|
|
[[0, -0x80], [-0x64, 0x64], [0x25, -0x50], [0xff, 0]])
|
|
check_sample(-16, 1, [0, 0x7fff, -0x7fff, -1])
|
|
check_sample(-16, 2, [[0, -0x7fff], [-0x7fff, 0],
|
|
[0x7fff, 0], [0, 0x7fff]])
|
|
|
|
if SDL2:
|
|
check_sample(32, 2, [[0.0, -1.0], [-1.0, 0], [1.0, 0], [0, 1.0]])
|
|
|
|
def test_use_arraytype(self):
|
|
|
|
def do_use_arraytype(atype):
|
|
pygame.sndarray.use_arraytype(atype)
|
|
|
|
pygame.sndarray.use_arraytype('numpy')
|
|
self.assertEqual(pygame.sndarray.get_arraytype(), 'numpy')
|
|
|
|
self.assertRaises(ValueError, do_use_arraytype, 'not an option')
|
|
|
|
|
|
@unittest.skipIf(not SDL2, 'requires SDL2')
|
|
def test_float32(self):
|
|
""" sized arrays work with Sounds and 32bit float arrays.
|
|
"""
|
|
try:
|
|
pygame.mixer.init(22050, 32, 2, allowedchanges=0)
|
|
except pygame.error:
|
|
# Not all sizes are supported on all systems.
|
|
self.skipTest("unsupported mixer configuration")
|
|
|
|
arr = array([[0.0, -1.0], [-1.0, 0], [1.0, 0], [0, 1.0]], float32)
|
|
newsound = pygame.mixer.Sound(array=arr)
|
|
pygame.mixer.quit()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|