mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-01 18:51:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 21

Issue #12866: Fix bias() for 24-bit. Add more tests.

Browse source
This commit is contained in:
Serhiy Storchaka 2013-10-20 09:42:26 +03:00
parent d49c47bfb0
commit ce82eb2e13
2 changed files with 44 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

12
Modules/audioop.c
View file

@ -985,10 +985,12 @@ audioop_bias(PyObject *self, PyObject *args)
val = GETINTX(unsigned char, cp, i);
else if (size == 2)
val = GETINTX(unsigned short, cp, i);
else if (size == 2)
else if (size == 3)
val = ((unsigned int)GETINT24(cp, i)) & 0xffffffu;
else
else {
assert(size == 4);
val = GETINTX(PY_UINT32_T, cp, i);
}
val += (unsigned int)bias;
/* wrap around in case of overflow */
@ -998,10 +1000,12 @@ audioop_bias(PyObject *self, PyObject *args)
SETINTX(unsigned char, ncp, i, val);
else if (size == 2)
SETINTX(unsigned short, ncp, i, val);
else if (size == 2)
else if (size == 3)
SETINT24(ncp, i, (int)val);
else
else {
assert(size == 4);
SETINTX(PY_UINT32_T, ncp, i, val);
}
}
return rv;
}