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authorJesus Cea <jcea@jcea.es>2012-11-17 03:38:17 +0100
committerJesus Cea <jcea@jcea.es>2012-11-17 03:38:17 +0100
commitf34e4de3f5f4ae1c695773457349386722ae0719 (patch)
treee6c7459c190387cb37e5dba69309b7b880d12f11 /Lib/wave.py
parent526b5536080949482e8828a9a32b4288aa3b4350 (diff)
downloadcpython-git-f34e4de3f5f4ae1c695773457349386722ae0719.tar.gz
Closes #16461: Wave library should be able to deal with 4GB wav files, and sample rate of 44100 Hz.
Diffstat (limited to 'Lib/wave.py')
-rw-r--r--Lib/wave.py12
1 files changed, 6 insertions, 6 deletions
diff --git a/Lib/wave.py b/Lib/wave.py
index 2016a2a697..16b11dcfcd 100644
--- a/Lib/wave.py
+++ b/Lib/wave.py
@@ -261,9 +261,9 @@ class Wave_read:
#
def _read_fmt_chunk(self, chunk):
- wFormatTag, self._nchannels, self._framerate, dwAvgBytesPerSec, wBlockAlign = struct.unpack('<hhllh', chunk.read(14))
+ wFormatTag, self._nchannels, self._framerate, dwAvgBytesPerSec, wBlockAlign = struct.unpack('<HHLLH', chunk.read(14))
if wFormatTag == WAVE_FORMAT_PCM:
- sampwidth = struct.unpack('<h', chunk.read(2))[0]
+ sampwidth = struct.unpack('<H', chunk.read(2))[0]
self._sampwidth = (sampwidth + 7) // 8
else:
raise Error, 'unknown format: %r' % (wFormatTag,)
@@ -466,14 +466,14 @@ class Wave_write:
self._nframes = initlength / (self._nchannels * self._sampwidth)
self._datalength = self._nframes * self._nchannels * self._sampwidth
self._form_length_pos = self._file.tell()
- self._file.write(struct.pack('<l4s4slhhllhh4s',
+ self._file.write(struct.pack('<L4s4sLHHLLHH4s',
36 + self._datalength, 'WAVE', 'fmt ', 16,
WAVE_FORMAT_PCM, self._nchannels, self._framerate,
self._nchannels * self._framerate * self._sampwidth,
self._nchannels * self._sampwidth,
self._sampwidth * 8, 'data'))
self._data_length_pos = self._file.tell()
- self._file.write(struct.pack('<l', self._datalength))
+ self._file.write(struct.pack('<L', self._datalength))
self._headerwritten = True
def _patchheader(self):
@@ -482,9 +482,9 @@ class Wave_write:
return
curpos = self._file.tell()
self._file.seek(self._form_length_pos, 0)
- self._file.write(struct.pack('<l', 36 + self._datawritten))
+ self._file.write(struct.pack('<L', 36 + self._datawritten))
self._file.seek(self._data_length_pos, 0)
- self._file.write(struct.pack('<l', self._datawritten))
+ self._file.write(struct.pack('<L', self._datawritten))
self._file.seek(curpos, 0)
self._datalength = self._datawritten