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| author | Jesus Cea <jcea@jcea.es> | 2012-11-17 03:41:54 +0100 |
|---|---|---|
| committer | Jesus Cea <jcea@jcea.es> | 2012-11-17 03:41:54 +0100 |
| commit | 8e4bc784f50dcbc5bdc1cfb3e63937268e6516b6 (patch) | |
| tree | ebe20320abccc077e9bc8bb645609d1e2002cf70 /Lib/wave.py | |
| parent | 948545ddf104b7978d4e5776a13189963b859bb5 (diff) | |
| download | cpython-8e4bc784f50dcbc5bdc1cfb3e63937268e6516b6.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.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Lib/wave.py b/Lib/wave.py index 2877137add..54f030267a 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_from('<hhllh', chunk.read(14)) + wFormatTag, self._nchannels, self._framerate, dwAvgBytesPerSec, wBlockAlign = struct.unpack_from('<HHLLH', chunk.read(14)) if wFormatTag == WAVE_FORMAT_PCM: - sampwidth = struct.unpack_from('<h', chunk.read(2))[0] + sampwidth = struct.unpack_from('<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, b'WAVE', b'fmt ', 16, WAVE_FORMAT_PCM, self._nchannels, self._framerate, self._nchannels * self._framerate * self._sampwidth, self._nchannels * self._sampwidth, self._sampwidth * 8, b'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 |