The tag param has a list of arbitrary key/value pairs. Like the Latency
param, it travels up and downstream. Mixers will append the info
dictionaries or do some more fancy merging.
The purpose is to transport arbirary metadata, out-of-band, through the
graph and it's used for stream metadata and other stream properties.
WirePlumber checks for the ENCODED audio format to determine if the
format is compressed/encoded. Without this info, it is not able
to automatically link compressed audio nodes.
Split files into separate files.
Move type annotations to a matching -types.h files.
Move helpers to matching -utils.h files.
Add helpers to parse generic audio and video info.
The drm format modifier value `0` is actually `DRM_FORMAT_MOD_LINEAR`,
a commonly used modifier. Unfortunately there appears to be no value
that can savely used as placeholder for "no value", as e.g.
`DRM_FORMAT_MOD_INVALID` is often used to indicate an implicit modifier.
Thus add a new flag that clearly indicates whether the modifier
value is set or not, add it to `spa_video_info_raw` and the util
functions.
Closes https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2943
The drm format modifier value `0` is actually `DRM_FORMAT_MOD_LINEAR`,
a commonly used modifier. Unfortunately there appears to be no value
that can savely used as placeholder for "no value", as e.g.
`DRM_FORMAT_MOD_INVALID` is often used to indicate an implicit modifier.
Thus add an extra field that clearly indicates whether the modifier
value is set or not, add it to the util fuctions and use it for the
current only user, the libcamera backend.
Fixes 5a6da7d5e1
Closes https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2943
Just like the optional build, make all field parsing optional. This
will leave the fields with their default values if they are not parsed
from the param.
We can then remove our custom functions and use the generic ones in
various places.
Add a new seq field in the param-info struct. Users can use this
field to keep track of pending param updates.
Store the latest seq number of the param update in the seq field. Remove
all params that don't match the sequence number because they are too
old. This avoids duplicate old params in pw-dump output.
Rework the pulseaudio manager with this same method.
Support Opus as A2DP vendor codec.
The specification for vendor A2DP codec is our Pipewire-specific one, so
it is compatible only with devices running Pipewire.
Older gcc versions seem to require the members to appear in the
designated initializer in the order they are in the definition of
the struct when compiling C++.
Fixes#1910
Given that 10-bit colour is now becoming supported on Wayland, PipeWire
should be able to represent all the possible colour formats in order
for screen capture to work.
This commit adds all possible orderings of 10-bit RGB channels and 2
extra bits used for nothing or alpha in little endian to enum
spa_video_format. Note that Wayland only uses little endian for its
10-bit colour formats, and these are not the same as the big endian
formats in reverse order.
0 is a valid min latency so we can't use it as an unset value. Use
some large value instead and when nothing was configured, assume it
is 0.
Fixes#1839
