| Commit message (Collapse) | Author | Age | Files | Lines |
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The avahi layer won't work on OSX and is unnecessary, too.
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Original patch contributed by 'kelemeng'
http://pulseaudio.org/ticket/843
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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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How about this? There are a couple of bugs in sink_write_volume_cb,
by the way. Another patch will be sent once this dB value printing
patch is accepted.
-- 8< --
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This just adds a few PA_UNLIKELY macros around some error paths in
frequently called code.
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This allows PulseAudio to work with versions of Rygel 0.7.1 and higher
which only support MediaServer2:
http://live.gnome.org/Rygel/MediaServer2Spec
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Earlier, if slave sinks were unlinked in non-automatic mode, their
re-appearance was disregarded. Now they are added back to the list of outputs.
Signed-off-by: Antti-Ville Jansson <antti-ville.jansson@digia.com>
Reviewed-by: Tanu Kaskinen <tanu.kaskinen@digia.com>
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The PCM handle is already opened with the SND_PCM_NONBLOCK flag.
This additional call is useless.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@intel.com>
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The commit that introduced this macro was incorrect in some places. This
patch fixes these. Thanks to Pierre-Louis Bossart for pointing this out.
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Signed-off-by: Jyri Sarha <jyri.sarha@nokia.com>
Reviewed-by: Tanu Kaskinen <tanu.kaskinen@digia.com>
Reviewd-by: Colin Guthrie <cguthrie@mandriva.org>
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Signed-off-by: Jyri Sarha <jyri.sarha@nokia.com>
Reviewed-by: Tanu Kaskinen <tanu.kaskinen@digia.com>
Reviewd-by: Colin Guthrie <cguthrie@mandriva.org>
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Signed-off-by: Jyri Sarha <jyri.sarha@nokia.com>
Reviewed-by: Tanu Kaskinen <tanu.kaskinen@digia.com>
Reviewd-by: Colin Guthrie <cguthrie@mandriva.org>
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This ensures that we always clamp the volume to PA_VOLUME_MAX. While
this currently has no effect, it will be required for making sure we
don't exceed PA_VOLUME_MAX when its value changes in the future.
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This adds a PA_VOLUME_IS_VALID() macro for checking if a given
pa_volume_t is valid. This makes changes to the volume ranges simpler
(just change PA_VOLUME_MAX, for example, without needing to modify any
other code).
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Make use of D-Bus to transfer file descriptors.
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in order of their priority.
Currently the order of the sinks is simply that of their position in the idxset which is certainly
not what the user would want.
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This forces us to get native-endian samples in the adrian module so that
we can rely on the existing endianness conversion mechanisms instead of
doing it in the module.
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The adrian module was using home-brewed endianness conversion instead of
the appropriate mactos, and speex assumed a little-endian host. This
fixes both of these.
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This uses Orc to optimise an inner loop in the core NLMS function of the
Adrian echo canceller.
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Optimises the core inner-product function, which takes the most CPU. The
SSE-optimised bits of the adrian echo canceller only if the CPU that PA
is running on actually supports SSE.
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This commit restores the functionality originally included in 65e807
by Leszek Koltunski.
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This commit mostly converts the X11 handling to XCB. There are still
some uses of XLib to deal with the X11 session handling modules, however all
client-side code should now be free of XLib and thus this should fix Bug #799
Note that this removes the screen-based changes by Leszek Koltunski
in 65e80, however this will be restored in due course.
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Previously, if work_done was false, we could conceivably not call snd_pcm_start().
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Currently when rewinding alsa, a fixed value of 256 bytes is used,
which represents 1.33ms @ 48kHz (2ch, 16bit). This is typically fine
and due to DMA constraints we would not want to rewind less than this.
However with more demanding sample specs, (e.g. 8ch 192kHz 32bit)
256 bytes is likely not sufficient, so calculate what 1.33ms would
be and use which ever value is bigger.
Discussed with David Henningsson and Pierre-Louis Bossart here:
http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/7286
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This new audio interface from Native Instruments has 2 stereo channels
for both input and output direction. This patch adds mappings for them.
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While the sink or source is in the suspended state, disable the timer
callback because we are not doing any echo canceling then.
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Make the echo canceler drift up to 1ms now that things are more accurate.
Add 10 samples of headroom to allow for timing inaccuracies.
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Make new defines for the smoother window size and adjust time constants instead
of reusing some unrelated constant.
Increase the smoother window size even more because the bigger it is, the
better. Since we have a 200ms max update interval and the max smoother history
is 64 entries, 10seconds is a good default.
Decrease the smoother adjust time to 1 second. The previous value of 4 seconds
was too much to adapt quickly after a resume.
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Rework the code to align capture and playback samples so that we can keep more
accurate timings.
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Use snd_pcm_avail_delay() in pa_alsa_safe_delay() so that we can check the delay
value against the avail value and patch it up when it looks invalid. Only do
this for capture.
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Move the code to start the capture and the smoother closer together to improve
smoother accuracy.
Rework things to look more like the alsa sink where the device is started in
only one place.
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Marks the recording and playback streams as const in the
pa_echo_canceller->run method for clarity.
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Since all algorithms will need to specify a block size (the amount of
data to be processed together), we make this a common parameter and have
the implementation set it at initialisation time.
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This adds an "aec_method" module argument to allow us to select the AEC
implementation to use.
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This adds Andre Adrian's AEC implementation from his intercom project
(http://andreadrian.de/intercom/) as an alternative to the speex echo
cancellation routines. Since the implementation was in C++ and not in
the form of a library, I have converted the code to C and made a local
copy of the implementation.
The implementation actually works on floating point data, so we can
tweak it to work with both integer and floating point samples (currently
we just use S16LE).
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Since the source and sink specification will need to be determined by
the AEC algorithm (can it handle multi-channel audio, does it work with
a fixed sample rate, etc.), we negotiate these using inout parameters at
initialisation time.
There is opportunity to make the sink-handling more elegant. Since the
sink data isn't used for playback (just processing), we could pass
through the data as-is and resample to the required spec before using in
the cancellation algorithm. This isn't too important immediately, but
would be nice to have.
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This allows us to tweak module parameters for whichever AEC module is
chosen.
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This splits out the echo-cancelling core from the PA-specific bits to
allow us to plug in other echo-cancellation engines.
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This will make splitting out the canceller parts cleaner.
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40ms for the smoother window is too small. Increase the size to 4 seconds, like
we do for the sinks.
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The speex echo canceler prefers a power of 2 for the frame size. Round down the
ideal frame_size to the nearest power of two. This makes sure we don't create
more than the requested frame_size_ms latency while still providing a power of 2
to the speex echo canceller.
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