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The gnome/unity-control-center UIs have a master volume slider, and
three sub-sliders: balance, fade, and subwoofer. Balance and fade
use PA's set_balance and set_fade APIs accordingly, but the subwoofer
slider sometimes does unintuitive things.
In order to make that slider behave better, let's add a LFE balance
API that these volume control UIs can use instead. With this API,
the UI can balance between "no subwoofer" and "only subwoofer" with
"equal balance" in the middle, which would make it more consistent
with the behaviour of the other sliders.
BugLink: https://bugzilla.gnome.org/show_bug.cgi?id=753847
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
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New function allows to pass data pointer that is a member
of the outer structure that need to be freed too when data
is not needed anymore.
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
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I think this makes the code a bit nicer to read and write. This also
reduces the chances of off-by-one errors when checking the bounds of
channel count values.
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I think this makes the code a bit nicer to read and write. This also
reduces the chances of off-by-one errors when checking the bounds of
sample rate values.
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I think this makes the code a bit nicer to read and write. This also
reduces the chances of off-by-one errors when checking the bounds of
the sample format value.
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There is no function to load the authentication cookie for a context.
You can only set environment variables. This patch adds
pa_context_load_cookie_from_file().
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
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For more informative logging.
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The function doesn't exist anymore.
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[The original commit message didn't have any explanation why this
change is made, so I'll add that information here myself.
--Tanu Kaskinen]
This change is from the developers of a Haskell binding[1]. According
to them, this change isn't strictly necessary, but their code gets
significantly cleaner if they can register an operation callback that
is called when the operation is cancelled due to the context getting
disconnected.
[1] https://github.com/favonia/pulse
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This includes updating the native protocol and the client API.
A new command was added to allow setting the latency offset.
Also the card list command now shows the latency offset if there
are ports available.
Update protocol to 27.
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pa_proplist_key_valid().
I want to check the validity in pa_tagstruct_get_proplist(),
and I think also client applications might have use for this
function.
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This allows clients to get a "fake" sample space for compressed formats
that we can support. This should make size/time conversion for things
like calculating buffer attributes simpler.
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Since a given property can be single-valued, an array or (in the case of
ints) a range, clients need an API to figure out what type of value a
property holds. This adds such an API. The actual property type
enumeration is kept in the PA_PROP_* namespace and not the
PA_FORMAT_INFO* namespace so that it can later be reused for properties
generically if required.
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Adding property getters manually for now.
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All of these functions are not actually defined in format.h
(they are defined in internal.h) and thus should really be
included only in libpulsecommon and implemented in a separate
source file.
However if that approach was taken, and these functions were
included in libpulsecommon, then they would have a link time
dependancy on libpulse (as these four functions use other
pa_format_info_* functions). As the opposite is already true
(libpulse depends on libpulsecommon), this is not possible as
it creates a circular dependancy.
Thus the only option is to just to include these four functions
in the map-file, but not actually export any public headers for
them. Of course users could use this implementation by defining
them in their own headers, but the only practical problem
with this approach is naming conflicts which is unlikely to happen.
fdo#40616
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Without this change any applications calling e.g. pa_format_info_new()
and friends will be explicitly linked against libpulsecommon-$MAJORMINOR.so
which is something we specifically avoid as it may contain ABI/API unstable
functions.
Also ensure we export pa_format_info_from_string() for external use.
fdo#40616
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This changes the API, but as we have not released yet, this is OK.
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* Fix extension API function export list.
* Ensure we trigger a subscription event when things change.
* Send the index with our subscription events.
* Clear out any existing formats when saving.
* Call the correct extension command for subscriptions.
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This patch introduces some extra protocol information, so protocol
version is bumped. This functionality is primarily needed to solve
a long standing issue in alsa-plugins, which should ignore underruns
if and only if it is obsolete, i e, if more data has been written to
the pipe in the meantime (which will automatically end the underrun).
BugLink: http://bugs.launchpad.net/bugs/805940
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
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This simply exposes the formats that a device supports
via a simple protocol extension that will allow clients
to setup what a connected receiver supports format wise.
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This piggy backs onto the previous changes for protocol 22 and
thus does not bump the version. This and the previous commits should be
seen as mostly atomic. Apologies for any bisecting issues this causes
(although I would expect these to be minimal)
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Adds functions to set sample format, rate, channels and channel map on a
format to make life easier for users of the API.
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This replaces the simple string used by pa_format_info's proplist with a
JSON string (accessed via new API only). This allows us to express lists
and ranges more cleanly, and embed type information for future
extensibility.
We use json-c for JSON parsing. This is a lightweight depdency (32 KB on
my system) and avoids the hassle of having to reinvent a JSON parser.
Also included is a test which verifies functionality and is
valgrind-clean.
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This allows clients to perform checks between formats as well.
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This is the beginning of work to support compressed formats natively in
PulseAudio. This adds a pa_stream_new_extended() that takes a format
structure, sends it to the server (=> protocol extension) and has the
server negotiate with the appropropriate sink to figure out what format
it should use.
This is work in progress, and works only with PCM streams. Actual
compressed format support in some sink needs to be implemented, and
extensive testing is required.
More details on how this is supposed to work is available at:
http://pulseaudio.org/wiki/PassthroughSupport
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This will be used to represent the format of data provided by the client
for both compressed and PCM formats in a new extended API.
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added function to increase volume not exceeding specified limit
simply changed PA_VOLUME_MAX to 'limit' in pa_cvolume_inc
pa_cvolume_inc now calls pa_cvolume_inc_clamp with PA_VOLUME_MAX limit
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We put in the devices from the wire into a hashmap and then add all like type device in the database
and then order them based on priority (with the ones specified on the wire always being in that order at
the top of the list.
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Conflicts:
src/Makefile.am
src/daemon/daemon-conf.c
src/daemon/daemon.conf.in
src/modules/module-stream-restore.c
src/pulse/client-conf.c
src/pulsecore/namereg.c
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Move the mainloop to monotonic based time events.
Introduces 4 helper functions:
pa_{context,core}_rttime_{new,restart}(), that fill correctly a
timeval with the rtclock flag set if the mainloop supports it.
Both mainloop-test and mainloop-test-glib works with rt and timeval
based time events. PulseAudio and clients should be fully functional.
This patch has received several iterations, and this one as been
largely untested.
Signed-off-by: Marc-André Lureau <marca-andre.lureau@nokia.com>
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