diff options
Diffstat (limited to 'Lib/sunaudio.py')
| -rw-r--r-- | Lib/sunaudio.py | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/Lib/sunaudio.py b/Lib/sunaudio.py index 87dc6ee..86a5b41 100644 --- a/Lib/sunaudio.py +++ b/Lib/sunaudio.py @@ -3,42 +3,42 @@ MAGIC = '.snd' class error(Exception): - pass + pass def get_long_be(s): - """Convert a 4-char value to integer.""" - return (ord(s[0])<<24) | (ord(s[1])<<16) | (ord(s[2])<<8) | ord(s[3]) + """Convert a 4-char value to integer.""" + return (ord(s[0])<<24) | (ord(s[1])<<16) | (ord(s[2])<<8) | ord(s[3]) def gethdr(fp): - """Read a sound header from an open file.""" - if fp.read(4) != MAGIC: - raise error, 'gethdr: bad magic word' - hdr_size = get_long_be(fp.read(4)) - data_size = get_long_be(fp.read(4)) - encoding = get_long_be(fp.read(4)) - sample_rate = get_long_be(fp.read(4)) - channels = get_long_be(fp.read(4)) - excess = hdr_size - 24 - if excess < 0: - raise error, 'gethdr: bad hdr_size' - if excess > 0: - info = fp.read(excess) - else: - info = '' - return (data_size, encoding, sample_rate, channels, info) + """Read a sound header from an open file.""" + if fp.read(4) != MAGIC: + raise error, 'gethdr: bad magic word' + hdr_size = get_long_be(fp.read(4)) + data_size = get_long_be(fp.read(4)) + encoding = get_long_be(fp.read(4)) + sample_rate = get_long_be(fp.read(4)) + channels = get_long_be(fp.read(4)) + excess = hdr_size - 24 + if excess < 0: + raise error, 'gethdr: bad hdr_size' + if excess > 0: + info = fp.read(excess) + else: + info = '' + return (data_size, encoding, sample_rate, channels, info) def printhdr(file): - """Read and print the sound header of a named file.""" - hdr = gethdr(open(file, 'r')) - data_size, encoding, sample_rate, channels, info = hdr - while info[-1:] == '\0': - info = info[:-1] - print 'File name: ', file - print 'Data size: ', data_size - print 'Encoding: ', encoding - print 'Sample rate:', sample_rate - print 'Channels: ', channels - print 'Info: ', `info` + """Read and print the sound header of a named file.""" + hdr = gethdr(open(file, 'r')) + data_size, encoding, sample_rate, channels, info = hdr + while info[-1:] == '\0': + info = info[:-1] + print 'File name: ', file + print 'Data size: ', data_size + print 'Encoding: ', encoding + print 'Sample rate:', sample_rate + print 'Channels: ', channels + print 'Info: ', `info` |