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keys: add keys.h with defines and docs

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Add a keys.h file that lists and documents all keys available to
be used in properties.
This commit is contained in:
Wim Taymans 2019-05-24 15:47:48 +02:00
parent 7bb6515800
commit 3ad73f0532
52 changed files with 483 additions and 291 deletions
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22
src/examples/audio-src.c
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@ -116,13 +116,13 @@ int main(int argc, char *argv[])
* the fd of this pipewire mainloop to it. */
data.loop = pw_main_loop_new(NULL);
/* create a simple stream, the simple stream manages to core and remote
* objects for you if you don't need to deal with them
/* Create a simple stream, the simple stream manages the core and remote
* objects for you if you don't need to deal with them.
*
* If you plan to autoconnect your stream, you need to provide at least
* media, category and role properties
* media, category and role properties.
*
* Pass your events and a use_data pointer as the last arguments. This
* Pass your events and a user_data pointer as the last arguments. This
* will inform you about the stream state. The most important event
* you need to listen to is the process event where you need to produce
* the data.
@ -131,22 +131,22 @@ int main(int argc, char *argv[])
pw_main_loop_get_loop(data.loop),
"audio-src",
pw_properties_new(
PW_NODE_PROP_MEDIA, "Audio",
PW_NODE_PROP_CATEGORY, "Playback",
PW_NODE_PROP_ROLE, "Music",
PW_KEY_MEDIA_TYPE, "Audio",
PW_KEY_MEDIA_CATEGORY, "Playback",
PW_KEY_MEDIA_ROLE, "Music",
NULL),
&stream_events,
&data);
/* make one parameter with the supported formats. The SPA_PARAM_EnumFormat
* id means that this is a format enumeration. */
/* Make one parameter with the supported formats. The SPA_PARAM_EnumFormat
* id means that this is a format enumeration (of 1 value). */
params[0] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat,
&SPA_AUDIO_INFO_RAW_INIT(
.format = SPA_AUDIO_FORMAT_F32,
.channels = DEFAULT_CHANNELS,
.rate = DEFAULT_RATE ));
/* now connect this stream. We ask that our process function is
/* Now connect this stream. We ask that our process function is
* called in a realtime thread. */
pw_stream_connect(data.stream,
PW_DIRECTION_OUTPUT,
@ -156,7 +156,7 @@ int main(int argc, char *argv[])
PW_STREAM_FLAG_RT_PROCESS,
params, 1);
/* and wait */
/* and wait while we let things run */
pw_main_loop_run(data.loop);
pw_stream_destroy(data.stream);