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Author SHA1 Message Date
Pantelis Antoniou
7ead270265 Implement JSON/YAML command for graph tree traversal 
Implement a single command that allows viewing all information
about a remotes properties/parameters and info variables.

This patch creates a framework for accessing properties using
a simple dotted variable access method or JSON/YAML path expressions.

The root of the tree is a sequence of all globals objects, and
accessing a the first one is simply 0 (or /0 is JSON/YAML path form).

	pipewire-0>>graph 0
	id: 0
	type: PipeWire:Interface:Core
	permissions: rwx
	version: 3
	info:
	    id: 0
	    cookie: 1602594817
	    user_name: panto
	    host_name: nuc2
	    version: 0.2.96
	    name: pipewire-0
	    change_mask: props
	    props:
		pipewire.core.name: pipewire-0
		context.profile.modules: none
		pipewire.core.daemon: 1
		link.max-buffers: 16
		default.clock.rate: 48000
		default.clock.quantum: 1024
		default.clock.min-quantum: 32
		default.clock.max-quantum: 8192
		default.video.width: 640
		default.video.height: 480
		default.video.rate.num: 25
		default.video.rate.denom: 1
		mem.allow-mlock: true
		cpu.max-align: 32
		object.id: 0
	properties:
	    pipewire.core.name: pipewire-0

Displaying a nodes information is simply:

	pipewire-0>>graph /32
	id: 32
	type: PipeWire:Interface:Node
	permissions: rwx
	version: 3
	info:
	    id: 32
	    max_input_ports: 128
	    max_output_ports: 0
	    n_input_ports: 2
	    n_output_ports: 2
	    state: suspended
	    error:
	    change_mask: "n_input_ports,n_output_ports,state,props,params"
	    props:
		object.path: alsa:pcm:HDMI:3:playback
		api.alsa.path: "hw:0,3"
		api.alsa.pcm.card: 0
		api.alsa.pcm.device: 3
		api.alsa.pcm.subdevice: 0
		api.alsa.pcm.stream: playback
		api.alsa.pcm.id: "HDMI 0"
		api.alsa.pcm.name: "HDMI 0"
		api.alsa.pcm.subname: "subdevice #0"
		api.alsa.pcm.class: generic
		api.alsa.pcm.subclass: generic-mix
		api.alsa.pcm.sync-id: 00000000:00000000:00000000:00000000
		device.id: 26
		factory.name: api.alsa.pcm.sink
		priority.master: 696
		priority.session: 696
		media.class: Audio/Sink
		node.name: alsa_card.pci-0000:00:03.0.playback.3.0
		node.description: "Built-in Audio (HDMI 0)"
		factory.id: 17
		client.id: 24
		device.api: alsa
		node.driver: true
		factory.mode: merge
		audio.adapt.slave:
		library.name: audioconvert/libspa-audioconvert
		object.id: 32
	    params:
		EnumFormat:
		    mediaType: audio
		    mediaSubtype: raw
		    format:
			default: S32LE
			alt0: S32LE
			alt1: S16LE
		    rate:
			default: 48000
			min: 32000
			max: 48000
		    channels: 2
		    position:
		      - FL
		      - FR
		PropInfo:
		  - id: volume
		    name: Volume
		    type:
			default: 1.000000
			min: 0.000000
			max: 10.000000
		  - id: mute
		    name: Mute
		    type:
			default: false
			alt0: false
			alt1: true
		  - id: channelVolumes
		    name: "Channel Volumes"
		    type:
			default: 1.000000
			min: 0.000000
			max: 10.000000
		Props:
		    volume: 1.000000
		    mute: false
		    channelVolumes: []
		Format: {}
		EnumPortConfig:
		  - direction: Input
		    mode: dsp
		  - direction: Output
		    mode: dsp
		  - direction: Input
		    mode: convert
		  - direction: Output
		    mode: convert
		PortConfig: {}
	properties:
	    object.path: alsa:pcm:HDMI:3:playback
	    factory.id: 17
	    client.id: 24
	    device.id: 26
	    priority.session: 696
	    priority.master: 696
	    node.description: "Built-in Audio (HDMI 0)"
	    node.name: alsa_card.pci-0000:00:03.0.playback.3.0
	    media.class: Audio/Sink

To simply display the parameters of the same object:

	pipewire-0>>graph 32/info/params
	EnumFormat:
	    mediaType: audio
	    mediaSubtype: raw
	    format:
		default: S32LE
		alt0: S32LE
		alt1: S16LE
	    rate:
		default: 48000
		min: 32000
		max: 48000
	    channels: 2
	    position:
	      - FL
	      - FR
	PropInfo:
	  - id: volume
	    name: Volume
	    type:
		default: 1.000000
		min: 0.000000
		max: 10.000000
	  - id: mute
	    name: Mute
	    type:
		default: false
		alt0: false
		alt1: true
	  - id: channelVolumes
	    name: "Channel Volumes"
	    type:
		default: 1.000000
		min: 0.000000
		max: 10.000000
	Props:
	    volume: 1.000000
	    mute: false
	    channelVolumes: []
	Format: {}
	EnumPortConfig:
	  - direction: Input
	    mode: dsp
	  - direction: Output
	    mode: dsp
	  - direction: Input
	    mode: convert
	  - direction: Output
	    mode: convert
	PortConfig: {}

The graph command also supports the following options:

	-y Select YAML format (this is the default)
	-j Select JSON format
	-n Display numeric instead of textual IDs
	-f Display full type info, i.e. instead of EnumFormat will
	   display Spa:Enum:ParamId:EnumFormat

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
 2020-02-21 11:30:49 +01:00
Pantelis Antoniou
3b53a6e049 pw-cli: Collect and display parameters from global symbols 
Until now there was no method to display parameters along with
information of their parent object.

This patchset stores parameter info in the global object so
that it may displayed along with its parent object.

This is a necessary step to be able to display and modify parameters
in a simple form like the following

pipewire-0>> set 12 volume=0.7
pipewire-0>> get 12 volume
0.7

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
 2020-02-21 11:30:49 +01:00
Pantelis Antoniou
e58d33e8d8 Terminate PW_KEY_SEC_LABEL key with '\0' 
The socket call does not terminate the string with '\0' so
we have to use the length explicitly.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
 2020-02-21 11:30:49 +01:00
Pantelis Antoniou
634a9558e4 Add a spa_debug_type_find_short_name method 
Using the short name of a type without the base part is common enough
that a common utility method is warranted.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
 2020-02-21 11:30:49 +01:00
Wim Taymans
8b874a9514 pw-cat: handle midi EOF better 
Return 0 when there are no more events, 1 when we have an event and
< 0 for errors. Use this to correctly push the last set of events on
EOS and then return 0 and stop without an error.
 2020-02-21 11:19:35 +01:00
Wim Taymans
d8bac82e72 improve logging 
Remove some harmless warnings from the log
Remove some excessive info logging
 2020-02-21 11:09:34 +01:00
Wim Taymans
a528189d26 slave -> follower 
We use master/follower terminology everywhere.
 2020-02-21 10:47:32 +01:00
Wim Taymans
bdeeebfdd4 enable and fix -Werror=suggest-attribute=format 2020-02-20 18:20:04 +01:00
Wim Taymans
020ac545a8 0.3.0 2020-02-20 15:33:31 +01:00
Wim Taymans
c9a6f97364 make libpulse-simple symlinks for developement 2020-02-20 15:04:44 +01:00
Jan Koester
1facf8ed48 added simple api to pipewire pulseaudio wrapper 2020-02-20 13:38:59 +01:00
George Kiagiadakis
0bff0e345f audioconvert: disable monitor port logic if both sides are in dsp mode 
There is a use case where you may want to use audioconvert with
both input & output sides configured in dsp mode, for altering
the stream volume. When it is configured like that, the
IS_MONITOR_PORT macro wrongly thinks that all output ports except
the first one are monitor ports, originating in the merger instead
of the splitter.

This change fixes that and it also completely disables exposing
monitor ports, even if they are enabled, when both sides are in
dsp mode (fmt_input_port_info() also uses the same macro to check
if the monitor ports are to be exposed)
 2020-02-20 12:34:42 +00:00
Wim Taymans
2a3bf485e7 pw-dot: rename lightgreen to palegreen 
lightgreen does not seem to exist for me as a color, dot complains.
 2020-02-20 13:28:34 +01:00
Wim Taymans
01934297bd fix compilation warning 2020-02-20 12:03:16 +01:00
Wim Taymans
18590b7e0e 0.2.97 2020-02-19 20:24:51 +01:00
Wim Taymans
d3634aca7e media-session: rework device reservation 
Monitor the device reservation objects and mark the device available.
Don't select nodes from devices that are not available.
Acquire the device reservation when a device starts.
Release the device reservation when we suspend the device again.
 2020-02-19 18:15:57 +01:00
Wim Taymans
11086f23ea pod: add and use reserve_bytes helper 2020-02-19 11:02:00 +01:00
Wim Taymans
cc1ed84f9f midi: simplify some things 2020-02-19 10:48:16 +01:00
Wim Taymans
7df66cd6ad pw-cat: keep our own time 
Don't try to use the time from the io_position, it is updated in
the RT thread and might be slightly wrong for our purposes.
 2020-02-19 10:19:59 +01:00
Wim Taymans
ea911f2e3f tweak buffers a little 
JACK can handle 2 buffers at most, make the default buffer allocator
allocate 2 buffers when no params are given.
Prefer 2 buffers, it allows some form of async fill/consume
 2020-02-19 10:17:00 +01:00
Wim Taymans
ddcb08a98a pw-cat: read midi file from memory 
mmap the midi file and read from memory. Simplifies some things and
allows us to potentially parse from the RT thread later.
 2020-02-19 09:58:47 +01:00
Wim Taymans
632c8440f8 builder: pass NULL to _raw to reserve memory 2020-02-19 09:57:57 +01:00
Wim Taymans
2a487d5fdb filter: implement filter with Step 
Implement filter between Step and Range as if the Step were a
range, ignoring the step value for now.
 2020-02-18 18:04:05 +01:00
Wim Taymans
b3d94cde87 jack: fix stride of midi 
Midi has a stride of 1
Error when the number of buffers is too big
 2020-02-18 18:03:30 +01:00
Wim Taymans
1f3cb3d207 jack: fix invalid unlink 
Don't unlink the mix->link when freeing, it is only linked when
in the free pool.

Protect against invalid number of buffers that could corrupt our
state.
 2020-02-18 17:37:02 +01:00
Wim Taymans
463b9e4e29 buffers: handle -ENOENT 
enum_param should return -ENOENT when the param is not known.
When negotiating buffers handle -ENOENT. This means the port does
not know about the property and we should assume anything is fine
so just use the filter from the first port.
 2020-02-18 17:34:41 +01:00
Wim Taymans
b6a6d1f0bb pw-cat: fix tempo changes 
Use time in seconds as event timestamp.
Apply tempo from the new events, keep track of elapsed time and
time since tempo change to get the right time.
Skip metadata midi in pw-cat.
 2020-02-18 16:13:35 +01:00
Wim Taymans
fe616e38d8 pw-cat: add midi support 2020-02-18 13:38:26 +01:00
Wim Taymans
427a6316d3 stream: also call process when queue is empty 
When we just picked a buffer from the queue and it is now empty,
call the process method to fill up the queue again or else we
won't have a buffer for the next wakeup.
 2020-02-18 13:38:25 +01:00
Wim Taymans
e6c3619521 jack: don't try to consume port without data 
Or else we handle old data.
 2020-02-18 13:38:25 +01:00
Wim Taymans
1239009d30 stream: add port properties 
Set the port DSP property when dealing with midi.
 2020-02-18 10:50:53 +01:00
Wim Taymans
9bd21d6c18 man: improve man pages a little 2020-02-18 10:36:28 +01:00
Wim Taymans
319df9fce9 pw-cat: add option to set resampler quality 2020-02-14 20:34:08 +01:00
Wim Taymans
75e14ecadc resample: tweak resample qualities a little 2020-02-14 20:23:15 +01:00
Wim Taymans
621f6ca10b resample: reset props first, then override 2020-02-14 20:22:55 +01:00
Wim Taymans
dbd483cb46 resample: add resample.quality property 2020-02-14 20:19:47 +01:00
Wim Taymans
3fab544d3d resample: add quality property 2020-02-14 20:16:50 +01:00
Wim Taymans
0023aac9b9 resample: add some more qualities 
Clamp quality to available qualities.
0 is a valid quality
 2020-02-14 18:00:49 +01:00
Wim Taymans
484d211119 spa-resample: quality 0 is a valid value. 2020-02-14 16:55:37 +01:00
Wim Taymans
046f41c31c test: fix number of queued samples 
The number of queued samples is twice the delay.
 2020-02-14 10:52:21 +01:00
Wim Taymans
6603fab405 spa-resample: flush last samples 
Use 0 samples to flush out the last samples from the resampler.
 2020-02-14 09:50:49 +01:00
Wim Taymans
039f6751e1 resample: fix delay reporting 2020-02-14 09:50:35 +01:00
Wim Taymans
5df1c5ae40 resample-native: fix phase shift 2020-02-13 20:41:14 +01:00
Wim Taymans
7267a6bc34 resample: remove old debug variable 2020-02-13 20:11:39 +01:00
Wim Taymans
83f2e890ad tools: add generic resampler tool 
Add a tool that can convert the sample rate of an input file and
write it to an output file. This tool can be used to test the
resampler.
 2020-02-13 16:46:03 +01:00
Wim Taymans
761119f640 resample: fix start position of new samples 
When we finished processing the history it might be possible that we
need to skip some samples from the input. Implement this by adding
a start offset for the samples in the buffer.
 2020-02-13 16:43:06 +01:00
Wim Taymans
0a26c478f7 pw-cat: small cleaups 
Set endianness correctly
Move setup of output file format outside of sample format function.
 2020-02-13 09:51:25 +01:00
Wim Taymans
192fee98a4 fmtconvert: suggest 2 buffers by default 
When running pw_stream with async process, we need an extra buffer
to compensate for the thread switch.
 2020-02-13 09:47:19 +01:00
Wim Taymans
5e71a01e8d pw-cat: fix setup of defaults 
In record mode, setup the parameters before we open.
 2020-02-13 08:59:41 +01:00
Wim Taymans
dfdbec1303 node: improve debug of params 
List the param id and the name
 2020-02-12 17:58:22 +01:00