Request wave support > 16 bit samples

[murraylang]

BPO	1575020
Nosy	@birkenfeld, @serhiy-storchaka
Files	wave_24bit.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/serhiy-storchaka'
closed_at = <Date 2013-11-09.21:24:14.908>
created_at = <Date 2006-10-11.03:52:09.000>
labels = ['type-bug', 'library']
title = 'Request wave support > 16 bit samples'
updated_at = <Date 2013-11-09.21:24:14.907>
user = 'https://bugs.python.org/murraylang'

bugs.python.org fields:

activity = <Date 2013-11-09.21:24:14.907>
actor = 'serhiy.storchaka'
assignee = 'serhiy.storchaka'
closed = True
closed_date = <Date 2013-11-09.21:24:14.908>
closer = 'serhiy.storchaka'
components = ['Library (Lib)']
creation = <Date 2006-10-11.03:52:09.000>
creator = 'murraylang'
dependencies = []
files = ['32164']
hgrepos = []
issue_num = 1575020
keywords = ['patch']
message_count = 7.0
messages = ['54924', '54925', '199916', '199918', '200184', '200185', '202502']
nosy_count = 4.0
nosy_names = ['georg.brandl', 'murraylang', 'python-dev', 'serhiy.storchaka']
pr_nums = []
priority = 'low'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue1575020'
versions = ['Python 2.7', 'Python 3.3', 'Python 3.4']

[murraylang]

May I request that the wave library support audio
formats greater than 16 bit. I am hoping to use GNU
Radio (http://www.gnu.org/software/gnuradio/) Python
software with HPSDR (http://hpsdr.org/) hardware, but
the HPSDR audio is 24 bit. The extra dynamic range is
required for weak signal work. Many audio cards are now
coming on the market with 24 bit capability.

[birkenfeld]

Logged In: YES
user_id=849994

Turning into a feature request.

[serhiy-storchaka]

Currently 24-bit wave files are supported at least in 2.7, 3.3, and 3.4 (there are tests for this). The audioop module yet not supports 24-bit data, but this is another issue.

[birkenfeld]

Serhiy, you're welcome to set issues to pending, but please don't forget to close them after a certain time...

[serhiy-storchaka]

Actually 24-bit samples are supported only on little-endian platforms (see bpo-19276). Here is simple patch which makes them supported on big-endian too.

[serhiy-storchaka]

And supporting the feature only on some platforms (without good reasons) is a bug.

[python-dev]

New changeset 5fbcb4aa48fa by Serhiy Storchaka in branch '2.7':
Issue bpo-1575020: Fixed support of 24-bit wave files on big-endian platforms.
http://hg.python.org/cpython/rev/5fbcb4aa48fa

New changeset 79b8b7c5fe8a by Serhiy Storchaka in branch '3.3':
Issue bpo-1575020: Fixed support of 24-bit wave files on big-endian platforms.
http://hg.python.org/cpython/rev/79b8b7c5fe8a

New changeset 1ee45eb6aab9 by Serhiy Storchaka in branch 'default':
Issue bpo-1575020: Fixed support of 24-bit wave files on big-endian platforms.
http://hg.python.org/cpython/rev/1ee45eb6aab9