Make channel layout definitions a little more useful. We can now
assign them to a layout_info struct or in the raw_info.
Make some default channel layouts for use in pw-cat
We can produce data whenever the io area status != HAVE_DATA. We
don't need to look for NEED_DATA.
Also recycling buffer happens whenever the status != HAVE_DATA.
Example executable that runs an output audioadapter using audiotestsrc as slave
with an input audioadapter using alsa-pcm-sink as slave for easy testing.
The example-control executable does not play audio. This is because
alsa-pcm-sink needs a data system to run. This patch fixes the example by
loading a data system from libspa-support before creating the nodes.
If the target node is set to 0, remove the autoconnect flag. This makes
the session manager disable stream autoconnect and some other program
needs to connect the stream to a sink or node.
Use the channelmap from the file, if available.
Add option to specify/override the channel map for playback.
Add Profiler object and fields.
Add profiler extension API. It notifies Profiler objects with
real-time performance data.
Add module that implements the profiler extension.
Add pw-profiler tool that binds to the profiler API and dumps the
data into a log file, gnuplot files, a html page and a script to
generate svg graphs. This is almost the same as what JACK2
JackEngineProfiling does.
So that we can check for negative value.
Also don't signal incomplete graph when we signaled more than
expected, this can happen when we add new nodes in the current
cycle and then triggered the driver.
The card name (id) can be configured with udev rules to remain
constant based on where the device is plugged in even when there
mulitple of the same devices.
Add a asprintf helper function that handles errors correctly.
Use this in places where we use asprintf to avoid warnings when we
don't check the return value.
Add an option to allow the user to disable examples, this will allow to
build pipewire without alsa. Without this option, build with
-Dpipewire-alsa=false -Dalsa=false fails on:
src/examples/meson.build:47:0: ERROR: Unknown variable "alsa_dep".
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
This allows the upstream node to put buffers back to its pool in case
they were left around in the ready list locally when the alsa-pcm-sink
was last paused.
Fixes#203
Don't just remove the buffer from the queue when it was only
partially written. To do this, return the error code from add_buffer
and only remove the buffer when there is a real error.
Use the DSP media subtype to describe DSP formats. DSP formats
don't include the rate, channels and channel position in the
format and must use the rate and duration from the position io. This
makes it possible to later change the samplerate dynamically without
having to renegotiate the graph.
The same goes for the video DSP format, which uses the io_video_size
from the io_position to get the size/stride. Set this up in the node
based on the defaults from the context.
Make it possible to define defaults in the daemon config file, such
as samplerate, quantum, video size and framerate. This is stored in
the context and used for the DSP formats.
If an ID cannot be de-referenced, e.g., because the builder buffer is
too small, spa_pod_filter() still reports success, but the result is
NULL. Any subsequent access to result will cause a segfault.
Return an error if no pod is found to properly propagate and handle the
error.
The segfault can be reproduced by using the v4l2 module with Vivid
devices [0], because the buffer for the v4l2 controls is too small.
[0] https://github.com/PipeWire/pipewire/issues/138
This is more in line with wayland and it allows us to create new
interfaces in modules without having to add anything to the type
enum. It also removes some lookups to map type_id to readable
name in debug.
