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81 Commits

Author SHA1 Message Date
cat dcb22a61c0 internal/pipewire: require appending marshaler 
This eliminates all non-reflect allocations.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-27 02:33:19 +09:00
cat e028a61fc1 internal/pipewire: preallocate for known size 
This is still not efficient by any means, but it should eliminate most non-reflect allocation (all allocation if PODMarshaler is not used).

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-27 02:26:31 +09:00
cat 73987be7d4 internal/pipewire: size without serialisation 
This is required to achieve zero allocation (other than reflect).

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-27 02:17:38 +09:00
cat 563b5e66fc internal/pipewire: simplify spa_dict appends 
This change uses the (somewhat) newly exposed MarshalAppend which improves readability.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-27 01:52:13 +09:00
cat 2edcfe1e68 internal/pipewire: define size constants 
This gets rid of magic numbers in marshal/unmarshal.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-27 00:54:56 +09:00
cat 2698ca00e8 internal/pipewire: implement Core::Done 
The message in the sample does not correspond to any known method call. The spec does not mention what to do with messages like this, but all existing usage code simply drops it.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-26 19:02:21 +09:00
cat 1d0143386d internal/pipewire: optional final trailing garbage check 
Omitting the check is only useful for custom unmarshaler.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-26 18:50:39 +09:00
cat a55c209099 internal/pipewire: additional Client::Info test case 
This appears to add *one single entry* compared to the message before it. The inefficiency of this protocol is beyond imagination.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-26 16:28:57 +09:00
cat 10ff276da1 internal/pipewire: additional Client::Info test case 
This message follows the other Client::Info event before it. No idea why.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-26 16:17:38 +09:00
cat fd4d379b67 internal/pipewire: implement Client::Info 
Everything is already supported, as usual.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-26 16:05:46 +09:00
cat 77f5b89a41 internal/pipewire: implement Core::BoundProps 
Very straightforward type, everything is already supported.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 18:40:19 +09:00
cat 14e33f17e5 internal/pipewire: check nil marshaler 
NULL values have special case in the format. This check ensures correctness serialising nil pointers.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 18:36:08 +09:00
cat cfeb7818eb internal/pipewire: implement Core::Info and generation footer 
These are not directly related but are first encountered on the same message in the capture.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 15:16:12 +09:00
cat 05391da556 internal/pipewire: implement footer 
The POD itself is serialised without requiring a special case, however its presence is only indicated by the difference in size recorded in the header and payload.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 15:11:22 +09:00
cat 463f8836e6 internal/pipewire: implement Long type 
Thankfully no special case here.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 15:05:37 +09:00
cat 2e465c94da internal/pipewire: implement Id type 
This is, in fact, just a glorified Int type.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 15:01:58 +09:00
cat 26009fd3f7 internal/pipewire: slice at POD boundary 
This prevents incorrectly reading trailing data as part of the current POD.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 14:58:56 +09:00
cat 2d7b896a8c internal/pipewire: bounds check against wire size 
This covers cases where wire size is not known ahead of time.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 13:42:31 +09:00
cat a0eb010aab internal/pipewire: spa_dict trailing garbage within POD 
This performs the check within the bounds of the POD only. This was not caught since spa_dict was only used as the final struct field until now.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 13:39:02 +09:00
cat b1b27ac1df internal/pipewire: zero size before validation 
Leftover values from previous invocations cause incorrect behaviour here.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 12:21:37 +09:00
cat fc3d78fe01 internal/pipewire: implement Core::Sync 
Once again, already entirely supported, the offset is not yet fully verified but makes intuitive sense. Will verify this on future occurrences of the message.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 08:52:06 +09:00
cat 591637264a internal/pipewire: implement Core::GetRegistry 
This struct is entirely supported, so this change is very straightforward.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 08:34:19 +09:00
cat e77652bf89 internal/pipewire: move test data to files 
These get very big later on, and would be painful to represent as the compound literal.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 08:09:10 +09:00
cat 88d3e46413 internal/pipewire: implement Client::UpdateProperties 
This is the second message on the captured sample.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 04:16:11 +09:00
cat e51e81bb22 internal/pipewire: implement spa_dict type 
This is a terrible type that defies the type system. It is implemented on the concrete type to avoid special cases.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 04:08:52 +09:00
cat 8f4a3bcf9f internal/pipewire: use custom marshaler when available 
This reduces special cases. This change also exposes unmarshalled message size on the wire.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 04:05:22 +09:00
cat 827dc9e1ba internal/pipewire: implement string type 
This is still NUL terminated strings, and an extra NUL character on an 8-byte string does cause an extra 7 bytes of padding.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 04:00:59 +09:00
cat d92de1c709 internal/pipewire: check for trailing garbage 
This is useful during development.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 01:59:29 +09:00
cat 5bcafcf734 internal/pipewire: implement Core::Hello 
This implements enough types to correctly marshal and unmarshal Core::Hello.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-25 01:20:30 +09:00
cat 9f7b0c2f46 internal/pipewire: add type constants 
This change also centralises encoding testing.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-24 22:00:09 +09:00
cat 3e87187c4c internal/pipewire: implement message header 
Test cases are from interactions between pw-container and PipeWire. Results are validated against corresponding body.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-11-23 16:20:35 +09:00