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Fixed a bug where the library inadvertently skipped over the sound

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data.
Pass an extra parameter to the compression library.
This commit is contained in:
Sjoerd Mullender 1993-01-26 09:24:37 +00:00
parent 3ad7fc70cc
commit 93f0740073
1 changed files with 4 additions and 2 deletions
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4
Lib/aifc.py
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@ -398,6 +398,7 @@ def initfp(self, file):
pass
else:
raise Error, 'unrecognized chunk type '+chunk.chunkname
if formlength > 0:
chunk.skip()
if not self._comm_chunk_read or not self._ssnd_chunk:
raise Error, 'COMM chunk and/or SSND chunk missing'
@ -500,7 +501,8 @@ def readframes(self, nframes):
size = size / 2
data = self._ssnd_chunk.read(size)
if self._decomp and data:
params = [CL.FRAME_BUFFER_SIZE, len(data) * 2]
params = [CL.FRAME_BUFFER_SIZE, len(data) * 2, \
CL.COMPRESSED_BUFFER_SIZE, len(data)]
self._decomp.SetParams(params)
data = self._decomp.Decompress(len(data) / self._nchannels, data)
self._soundpos = self._soundpos + len(data) / (self._nchannels * self._sampwidth)