220 26272 <3560828.vAATzG8HgS@lastique-pc> article Path: news.gmane.org!not-for-mail From: Andrey Semashev Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Any interest to adding audio support to the std library? 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[2a00:1450:4010:c07::235]) by mx.google.com with ESMTPS id mq9si1608524lbb.136.2016.06.11.01.09.52 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 11 Jun 2016 01:09:52 -0700 (PDT) Received-SPF: pass (google.com: domain of andrey.semashev@gmail.com designates 2a00:1450:4010:c07::235 as permitted sender) client-ip=2a00:1450:4010:c07::235; Original-Received: by mail-lf0-x235.google.com with SMTP id u74so58260804lff.2 for ; Sat, 11 Jun 2016 01:09:52 -0700 (PDT) X-Received: by 10.25.214.143 with SMTP id p15mr1313773lfi.95.1465632592489; Sat, 11 Jun 2016 01:09:52 -0700 (PDT) Original-Received: from lastique-pc.localnet (broadband-90-154-68-136.nationalcablenetworks.ru. [90.154.68.136]) by smtp.googlemail.com with ESMTPSA id d126sm1602008lfd.45.2016.06.11.01.09.51 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 11 Jun 2016 01:09:51 -0700 (PDT) User-Agent: KMail/5.1.3 (Linux/4.4.0-24-generic; KDE/5.18.0; x86_64; ; ) In-Reply-To: <31D8D875-9842-4CC4-98C6-F75FD20155DE@gmail.com> X-Original-Sender: andrey.semashev@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of andrey.semashev@gmail.com designates 2a00:1450:4010:c07::235 as permitted sender) smtp.mailfrom=andrey.semashev@gmail.com; dmarc=pass (p=NONE dis=NONE) header.from=gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:26272 Archived-At: This is a multi-part message in MIME format. --nextPart97720920.6ZTK7XLkJK Content-Type: text/plain; charset=UTF-8 On Saturday, 11 June 2016 11:03:41 MSK alexander.zywicki@gmail.com wrote: > Or at least store a time point each time the stream is started using a clock > with a well defined epoch, so that we might be able to find the length of > time that the stream has been active and have meaningful measurements of > time within the stream. There is no need to have the epoch bound to the beginning of the stream to calculate its duration. Or any particular epoch at all. All you need is the timestamp of its first and last frames. A fixed epoch becomes important when you try to synchronize multiple streams together. But even then it's not important what exactly is the epoch; what is important is that it has to be the same for all streams you are processing. -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/3560828.vAATzG8HgS%40lastique-pc. --nextPart97720920.6ZTK7XLkJK Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=UTF-8

On Saturday= , 11 June 2016 11:03:41 MSK alexander.zywicki@gmail.com wrote:

> Or at = least store a time point each time the stream is started using a clock

> with a= well defined epoch, so that we might be able to find the length of

> time t= hat the stream has been active and have meaningful measurements of

> time w= ithin the stream.

&nb= sp;

There is no= need to have the epoch bound to the beginning of the stream to calculate i= ts duration. Or any particular epoch at all. All you need is the timestamp = of its first and last frames.

&nb= sp;

A fixed epo= ch becomes important when you try to synchronize multiple streams together.= But even then it's not important what exactly is the epoch; what is import= ant is that it has to be the same for all streams you are processing.

&nb= sp;

--
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To view this discussion on the web visit https://groups.google.com/a/isocpp.org/= d/msgid/std-proposals/3560828.vAATzG8HgS%40lastique-pc.
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