| Commit message (Collapse) | Author | Age | Files | Lines |
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Try to keep the drift between source and sink within 4ms now that we have more
accurate timings.
Don't force a resync on latency changes but let the drift code handle it.
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Tag the source and sink with the phone media roles so that they automatially
connect to phone streams such as Empathy when using the intended-rols module.
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Take into account the delay between taking the snapshot from the source and the
sink. Improves the quality of the timings.
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Make a new echo-cancel module that exposes a new sink and source. All data sent
to the sink is matched against the data captured from the source and
echo-canceled using the speex echo canceler.
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Vala uses the name of the *.vapi file to determine the libraries to link
against. Since the pa_glib_mainloop_*() functions are in a separate
library (libpulse-mainloop-glib.so) the corresponding objects in the
Vala bindings have to be in a separate *.vapi file.
If you are compiling an app without the GLib integration you could use:
$ valac --pkg=libpulse test.vala
but if you do use GLib you can use:
$ valac --pkg=libpulse-mainloop-glib test.vala
(libpulse is a dep of the libpulse-mainloop-glib so no need to specify
it explicitly)
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1. PA uses Vala's "Posix" package (see line 23 of libpulse.vapi).
These dependencies have to be declared in the *.deps file.
2. Fix obvious copy/paste error.
3. Rename the parameter to match the C function. This simplifies
understanding what this parameter means.
4. According to the official documentation the "dev" parameter
for playback/capture streams on connection may be NULL and this
is the default. Change the method definition accordingly.
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in UIs
This value is not a technical upper limit, it's just a 'sensible'
value that is not crazy high, but also allows software amplification
above 0dB (aka 100%) for very quiet audio sources.
We recommend that a comprehensive volume control UI should allow
users to set volumes up to this limit, although of course should
deal gracefully if the user has set the volume even higher than this
without resulting in a feedback loop that effectively limits the
upper volume.
The value chosen is +11dB. This was selected somewhat subjectively
and is very similar to the current 150% that gnome-volume-control
uses (which is ~+10.57dB).
On the plus side, we now recommend that everyone allows
'Volumes up to 11' which is pretty awesome.
http://en.wikipedia.org/wiki/Up_to_eleven
https://tango.0pointer.de/pipermail/pulseaudio-discuss/2010-April/006945.html
https://tango.0pointer.de/pipermail/pulseaudio-discuss/2010-April/006950.html
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Also fix a left over reference to HAL in default.pa
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It isn't necessary anymore with the new algorithm. The slow adjust of the
smoother was even detrimental to the accuracy of the rate estimate.
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The same logic is applied to the sample rate adjustments in module-rtp-recv,
module-loopback and module-combine:
- Each time an adjustment is made, the new rate can differ at most 2‰ from the
old rate. Such a step is equal to 3.5 cents (a cent is 1/100th of a
semitone) and as 5 cents is generally considered the smallest observable
difference in pitch, this results in inaudible adjustments.
- The sample rate of the stream can only differ from the rate of the
corresponding sink by 25%. As these adjustments are meant to account for
very small clock drifts, any large deviation from the base rate suggests
something is seriously wrong.
- If the calculated rate is within 20Hz of the base rate, set it to the base
rate. This saves CPU because no resampling is necessary.
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This prevents the smoother attached to the stream clock from being
updated while the stream is corked, which in turn ensures that once
corking is completed, pa_stream_get_time() always returns the same value
until the stream is uncorked - i.e., the clock does not advance when the
client believes that it will not.
The actual call to pa_smoother_put() happens on things like stream
suspend/unsuspend, which trigger timing updates. This changes the
smoother coefficients, which means that a call to pa_smoother_get() for
the same value of 'x' can return different values before and after a
timing update.
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If many small blocks are in queue, handle_seek is being called
for every one of them, sometimes causing a rewind. Delay the
call until all blocks are handled, then call handle_seek only
once.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
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Allow a message in the queue to perform both a seek and a post data.
For clients that do not use PA_SEEK_RELATIVE (e g gstreamer), this
cuts the message count - and sometimes even the rewinds - in half.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
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Spotted by palmerdabbelt via #894
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When logging a suppression message do so on the same log level as the
suppressed messages.
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Previously this argument passed to configure only worked if --disable-hal and
--disable-bluez was also passed which wasn't immediately obvious to the
untrained compiler.
This change simply makes --disable-dbus disable the other two as well
and errors out of specific, incompatible --enable/--disable flags
are provided.
The summary table is also adjusted and intended to try and show the
dependency relationship a little.
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Users have often come to me when their build doesn't work and typically
this is when they do not have dev headers for DBUS and udev installed
when building. Put in some specific warnings about these optional,
but critical, elements.
This will likely display this message on platforms where they are not
available, so patches welcome to hide them in a semi-intelligent way.
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Therefore, we must reflect this in the default.pa. Several users
have reported an error with consolekit when starting a self-built PA
due to the default config not working properly. This works around the
issue but we should include a warning on configure about the lack of
DBUS and udev support as this is a common mistake.
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These functions are used in OSS programs where the "flags" parameter for
open() is not a build-time constant and the build has _FORTIFY_SOURCE
enabled.
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Based on comments from Arun Raghavan, make clear that we're referring
to the libspeex API documentation for the speex- options. Also correct
the quality range (was incorrectly 0..9 but is 0..10 now) and clean up
the line length.
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
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This prevented to use pacat --file-format option correctly
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In the file src/pulsecore/random.c
I found that the log information "Failed to get proper entropy. Falling
back to seeding with current time." would never be printed.
This change corrects the issue.
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A Debian user seemed confused that the man page for pulse-daemon.conf
does not refer to the libspeex API Resampler for use in PulseAudio's
*-src. Fix it by explicitly mentioning speex.
(http://bugs.debian.org/541206)
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
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As per the comments in git-version-gen, the .version file that is
typically generated automatically during build should be included
in the tarball, so generate it in the dist-hook.
This fixes a problem when running make distcheck which uses a read-only
source folder and thus cannot generate the $top_srcdir/.version as
part of it's build process (it uses a _build folder which is r/w)
and thus cannot be built.
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I don't know why this does not honour DESTDIR or similar during distcheck
but this simple enough patch fixes it.
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This is needed to better support out of tree builds (including
distcheck) and to ensure the necessary folders are created in the
build tree on configure and also works around an intl-tools bug
(https://bugs.launchpad.net/intltool/+bug/605826)
The Makefile.am's used are minimal (and in some cases completely
blank). At present they do not include anything interesting
with the majority of the real work still done by the monolitic
src/Makefile.am
It may make sense to start splitting out src/Makefile.am into
smaller chunks but this commit makes the minimum changes to address
the issues that result from using make distcheck and other out of
tree builds.
Note: This 'breaks' the ability to type make in e.g. the src/modules
folder and have all of PA rebuilt accordingly (this is because the
static Makefiles previously present just did a "make -C ..") which
was purportedly for use in emacs. But I'm sure there will be a better
and more robust way to configure emacs to do your builds properly if
this behaviour is still desirable.
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There is a call to this function where 'skip' variable is NULL. Looks
like this code doesn't get hit very often, probably because a suitable
default sink can be found to move the stream to. However, if we can't
move to the default sink and skip is NULL, there will be a segfault.
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This ensures that the build does not fail if the ssat and pkhbt
instructions are not available (armv5te and below).
Fixes: http://www.pulseaudio.org/ticket/790
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BugLink: https://launchpad.net/bugs/680810
Some laptops have 'Internal Mic 1' exposed as an 'Input Source', e.g., Dell
XPSM 1530, so handle these, too.
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
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Signed-off-by: David Henningsson <david.henningsson@canonical.com>
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Original patch contributed by 'kelemeng'
http://pulseaudio.org/ticket/843
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From 3c18dbe5889816792db27c9a7253a83687d68ee9 Mon Sep 17 00:00:00 2001
From: Zhang Wanming <wanming.zhang@tieto.com>
Date: Thu, 18 Nov 2010 10:03:39 +0800
Subject: [PATCH] man: Remove repeated lines
Signed-off-by: Zhang Wanming <wanming.zhang@tieto.com>
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