diff options
| -rw-r--r-- | Lib/aifc.py | 26 | ||||
| -rwxr-xr-x | Lib/plat-sunos4/SUNAUDIODEV.py | 27 | ||||
| -rw-r--r-- | Lib/sunau.py | 46 | ||||
| -rwxr-xr-x | Lib/sunos4/SUNAUDIODEV.py | 27 |
4 files changed, 84 insertions, 42 deletions
diff --git a/Lib/aifc.py b/Lib/aifc.py index e06b776..69d38dd 100644 --- a/Lib/aifc.py +++ b/Lib/aifc.py @@ -55,9 +55,7 @@ # # Reading AIFF files: # f = aifc.open(file, 'r') -# or -# f = aifc.openfp(filep, 'r') -# where file is the name of a file and filep is an open file pointer. +# where file is either the name of a file or an open file pointer. # The open file pointer must have methods read(), seek(), and close(). # In some types of audio files, if the setpos() method is not used, # the seek() method is not necessary. @@ -90,9 +88,7 @@ # # Writing AIFF files: # f = aifc.open(file, 'w') -# or -# f = aifc.openfp(filep, 'w') -# where file is the name of a file and filep is an open file pointer. +# where file is either the name of a file or an open file pointer. # The open file pointer must have methods write(), tell(), seek(), and # close(). # @@ -361,6 +357,12 @@ class Aifc_read: # file for readframes() # _ssnd_chunk -- instantiation of a chunk class for the SSND chunk # _framesize -- size of one frame in the file + + access _file, _nchannels, _nframes, _sampwidth, _framerate, \ + _comptype, _compname, _markers, _soundpos, _version, \ + _decomp, _comm_chunk_read, __aifc, _ssnd_seek_needed, \ + _ssnd_chunk, _framesize: private + def initfp(self, file): self._file = file self._version = 0 @@ -524,6 +526,8 @@ class Aifc_read: # # Internal methods. # + access *: private + def _decomp_data(self, data): dummy = self._decomp.SetParam(CL.FRAME_BUFFER_SIZE, len(data) * 2) @@ -635,13 +639,17 @@ class Aifc_write: # _datalength -- the size of the audio samples written to the header # _datawritten -- the size of the audio samples actually written + access _file, _comptype, _compname, _nchannels, _sampwidth, \ + _framerate, _nframes, _aifc, _version, _comp, \ + _nframeswritten, _datalength, _datawritten: private + def __init__(self, f): if type(f) == type(''): filename = f f = builtin.open(f, 'w') else: + # else, assume it is an open file object already filename = '???' - # else, assume it is an open file object already self.initfp(f) if filename[-5:] == '.aiff': self._aifc = 0 @@ -826,6 +834,8 @@ class Aifc_write: # # Internal methods. # + access *: private + def _comp_data(self, data): dum = self._comp.SetParam(CL.FRAME_BUFFER_SIZE, len(data)) dum = self._comp.SetParam(CL.COMPRESSED_BUFFER_SIZE, len(data)) @@ -987,6 +997,6 @@ def open(f, mode): elif mode == 'w': return Aifc_write(f) else: - raise Error, 'mode must be \'r\' or \'w\'' + raise Error, "mode must be 'r' or 'w'" openfp = open # B/W compatibility diff --git a/Lib/plat-sunos4/SUNAUDIODEV.py b/Lib/plat-sunos4/SUNAUDIODEV.py index 7e46871..b66610d 100755 --- a/Lib/plat-sunos4/SUNAUDIODEV.py +++ b/Lib/plat-sunos4/SUNAUDIODEV.py @@ -2,15 +2,26 @@ # The names are the same as in audioio.h with the leading AUDIO_ # removed. +# Not all values are supported on all releases of SunOS. + # Encoding types, for fields i_encoding and o_encoding -ENCODING_ULAW = 1 -ENCODING_ALAW = 2 +ENCODING_NONE = 0 # no encoding assigned +ENCODING_ULAW = 1 # u-law encoding +ENCODING_ALAW = 2 # A-law encoding +ENCODING_LINEAR = 3 # Linear PCM encoding # Gain ranges for i_gain, o_gain and monitor_gain -MIN_GAIN = 0 -MAX_GAIN = 255 +MIN_GAIN = 0 # minimum gain value +MAX_GAIN = 255 # maximum gain value + +# Balance values for i_balance and o_balance + +LEFT_BALANCE = 0 # left channel only +MID_BALANCE = 32 # equal left/right channel +RIGHT_BALANCE = 64 # right channel only +BALANCE_SHIFT = 3 # Port names for i_port and o_port @@ -19,7 +30,9 @@ PORT_B = 2 PORT_C = 3 PORT_D = 4 -SPEAKER = PORT_A -HEADPHONE = PORT_B +SPEAKER = 0x01 # output to built-in speaker +HEADPHONE = 0x02 # output to headphone jack +LINE_OUT = 0x04 # output to line out -MICROPHONE = PORT_A +MICROPHONE = 0x01 # input from microphone +LINE_IN = 0x02 # input from line in diff --git a/Lib/sunau.py b/Lib/sunau.py index 08e4d20..00c2a28 100644 --- a/Lib/sunau.py +++ b/Lib/sunau.py @@ -37,9 +37,7 @@ # # Reading audio files: # f = au.open(file, 'r') -# or -# f = au.openfp(filep, 'r') -# where file is the name of a file and filep is an open file pointer. +# where file is either the name of a file or an open file pointer. # The open file pointer must have methods read(), seek(), and close(). # When the setpos() and rewind() methods are not used, the seek() # method is not necessary. @@ -72,9 +70,7 @@ # # Writing audio files: # f = au.open(file, 'w') -# or -# f = au.openfp(filep, 'w') -# where file is the name of a file and filep is an open file pointer. +# where file is either the name of a file or an open file pointer. # The open file pointer must have methods write(), tell(), seek(), and # close(). # @@ -151,6 +147,20 @@ def _write_u32(file, x): file.write(chr(int(data[i]))) class Au_read: + access _file, _soundpos, _hdr_size, _data_size, _encoding, \ + _sampwidth, _framesize, _framerate, _nchannels, \ + _framesize, _info: private + + def __init__(self, f): + if type(f) == type(''): + import builtin + f = builtin.open(f, 'r') + self.initfp(f) + + def __del__(self): + if self._file: + self.close() + def initfp(self, file): self._file = file self._soundpos = 0 @@ -193,16 +203,6 @@ class Au_read: else: self._info = '' - def __init__(self, f): - if type(f) == type(''): - import builtin - f = builtin.open(f, 'r') - self.initfp(f) - - def __del__(self): - if self._file: - self.close() - def getfp(self): return self._file @@ -278,12 +278,20 @@ class Au_read: self._file = None class Au_write: + access _file, _framerate, _nchannels, _sampwidth, _framesize, \ + _nframes, _nframeswritten, _datawritten, _info, \ + _comptype: private + def __init__(self, f): if type(f) == type(''): import builtin f = builtin.open(f, 'w') self.initfp(f) + def __del__(self): + if self._file: + self.close() + def initfp(self, file): self._file = file self._framerate = 0 @@ -297,10 +305,6 @@ class Au_write: self._info = '' self._comptype = 'ULAW' # default is U-law - def __del__(self): - if self._file: - self.close() - def setnchannels(self, nchannels): if self._nframeswritten: raise Error, 'cannot change parameters after starting to write' @@ -404,6 +408,8 @@ class Au_write: # # private methods # + access *: private + def _ensure_header_written(self): if not self._nframeswritten: if not self._nchannels: diff --git a/Lib/sunos4/SUNAUDIODEV.py b/Lib/sunos4/SUNAUDIODEV.py index 7e46871..b66610d 100755 --- a/Lib/sunos4/SUNAUDIODEV.py +++ b/Lib/sunos4/SUNAUDIODEV.py @@ -2,15 +2,26 @@ # The names are the same as in audioio.h with the leading AUDIO_ # removed. +# Not all values are supported on all releases of SunOS. + # Encoding types, for fields i_encoding and o_encoding -ENCODING_ULAW = 1 -ENCODING_ALAW = 2 +ENCODING_NONE = 0 # no encoding assigned +ENCODING_ULAW = 1 # u-law encoding +ENCODING_ALAW = 2 # A-law encoding +ENCODING_LINEAR = 3 # Linear PCM encoding # Gain ranges for i_gain, o_gain and monitor_gain -MIN_GAIN = 0 -MAX_GAIN = 255 +MIN_GAIN = 0 # minimum gain value +MAX_GAIN = 255 # maximum gain value + +# Balance values for i_balance and o_balance + +LEFT_BALANCE = 0 # left channel only +MID_BALANCE = 32 # equal left/right channel +RIGHT_BALANCE = 64 # right channel only +BALANCE_SHIFT = 3 # Port names for i_port and o_port @@ -19,7 +30,9 @@ PORT_B = 2 PORT_C = 3 PORT_D = 4 -SPEAKER = PORT_A -HEADPHONE = PORT_B +SPEAKER = 0x01 # output to built-in speaker +HEADPHONE = 0x02 # output to headphone jack +LINE_OUT = 0x04 # output to line out -MICROPHONE = PORT_A +MICROPHONE = 0x01 # input from microphone +LINE_IN = 0x02 # input from line in |