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| author | Sjoerd Mullender <sjoerd@acm.org> | 1993-01-29 12:01:00 (GMT) |
|---|---|---|
| committer | Sjoerd Mullender <sjoerd@acm.org> | 1993-01-29 12:01:00 (GMT) |
| commit | 8d733a00f00c98f5627a977150c85bfa9bed6d28 (patch) | |
| tree | ed1b98940f516c9fa79302670c94d09bb2ab5128 /Lib | |
| parent | 772eca639cc32d55bafbc1156917f6cbd297fe2c (diff) | |
| download | cpython-8d733a00f00c98f5627a977150c85bfa9bed6d28.zip cpython-8d733a00f00c98f5627a977150c85bfa9bed6d28.tar.gz cpython-8d733a00f00c98f5627a977150c85bfa9bed6d28.tar.bz2 | |
added kludge for buggy soundfiler from SGI; when reading 0 frames,
just set file pointer correctly instead of returning the complete
file.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/aifc.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Lib/aifc.py b/Lib/aifc.py index 0849bd7..706bba8 100644 --- a/Lib/aifc.py +++ b/Lib/aifc.py @@ -379,7 +379,16 @@ class Aifc_read(): self._comm_chunk_read = 0 while formlength > 0: self._ssnd_seek_needed = 1 - chunk = Chunk().init(self._file) + #DEBUG: SGI's soundfiler has a bug. There should + # be no need to check for EOF here. + try: + chunk = Chunk().init(self._file) + except EOFError: + if formlength == 8: + print 'Warning: FORM chunk size too large' + formlength = 0 + break + raise EOFError # different error, raise exception formlength = formlength - 8 - chunk.chunksize if chunk.chunksize & 1: formlength = formlength - 1 @@ -495,6 +504,8 @@ class Aifc_read(): if pos: self._ssnd_chunk.setpos(pos + 8) self._ssnd_seek_needed = 0 + if nframes == 0: + return '' size = nframes * self._nchannels * self._sampwidth if self._decomp: if self._comptype in ('ULAW', 'ALAW'): |