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[Gnash-commit] [bug #46607] Embedded audio quality degradation
From: |
Sandro Santilli |
Subject: |
[Gnash-commit] [bug #46607] Embedded audio quality degradation |
Date: |
Fri, 04 Dec 2015 22:44:35 +0000 |
User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0 |
URL:
<http://savannah.gnu.org/bugs/?46607>
Summary: Embedded audio quality degradation
Project: Gnash - The GNU Flash player
Submitted by: strk
Submitted on: Fri 04 Dec 2015 11:44:34 PM CET
Category: sound
Severity: 3 - Normal
Release: master
Status: None
Privacy: Public
Assigned to: bjacques
Open/Closed: Open
Discussion Lock: Any
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Details:
I've found a movie which plays stuttering and bisecting got to this point:
a9f7f743c66f2f36d81c348da238d94877473372 is the first bad commit
commit a9f7f743c66f2f36d81c348da238d94877473372
Author: Bastiaan Jacques <address@hidden>
Date: Sun Jun 15 20:09:12 2014 +0200
Reduce malloc() churn for SWF-embedded audio.
Decoded data from audio sources stored inside SWFs are decoded and
stored in a growing buffer. This buffer is appended to as small
chunks of data become available. In order to store the additional
data, a new buffer big enough to contain all the data is allocated.
A minute of audio corresponds to about 10MB of decoded data. The
ensuing (re)allocation of such a large buffer adds significantly to
the resource pressure on the system.
This change alters the situation so that instead of allocating a new
buffer, each buffer is added to a list as-is, at the cost of having
to keep track of reads in more detail.
:040000 040000 45eed7e653f151eeaf7baf2187d08887b6c169c5
c61e4016939188ae645ff56a9d7a9c972fb241d8 M libbase
:040000 040000 c5a5e6700aac7e4a084a4fe3fe463469c4cde316
5a86380f1b008ecc77da09db22b10e3bcd61c71e M libsound
_______________________________________________________
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- [Gnash-commit] [bug #46607] Embedded audio quality degradation,
Sandro Santilli <=
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/04
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/04
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/04
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/04
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/04
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/04
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/05
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Bastiaan Jacques, 2015/12/05
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/07
- [Gnash-commit] [bug #46607] Embedded audio quality degradation, Sandro Santilli, 2015/12/07