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audren_u: Stub IAudioDevice::QueryAudioDeviceInputEvent
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We can remove this since its already a f32 value
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Volume is a f32 value. (SwIPC describes it as a u32, but it is actually f32 as corroborated by switchbrew docs and SetAudioDeviceOutputVolume)
```cpp
const f32 volume = rp.Pop<f32>();
```
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ListAudioDeviceName()
Audio devices use the supplied revision information in order to
determine if USB audio output is able to be supported. In this case, we
can only really handle using this revision information in
ListAudioDeviceName(), where it checks if USB audio output is supported
before supplying it as a device name.
A few other scenarios exist where the revision info is checked, such as:
- Early exiting from SetAudioDeviceOutputVolume if USB audio is
attempted to be set when that device is unsupported.
- Early exiting and returning 0.0f in GetAudioDeviceOutputVolume when
USB output volume is queried and it's an unsupported device.
- Falling back to AHUB headphones in GetActiveAudioDeviceName when the
device type is USB output, but is unsupported based off the revision
info.
In order for these changes to also be implemented, a few other changes
to the interface need to be made.
Given we now properly handle everything about ListAudioDeviceName(), we
no longer need to describe it as a stubbed function.
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The revision querying facilities are used by more than just audren. e.g.
audio devices can use this to test whether or not USB audio output is
supported.
This will be used within the following change.
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Trims out the lingering reliance on global state out of the audio code.
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GetActiveAudioDeviceName()
This service function only ever returns a result and nothing more.
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AudioDevice and AudioInterface aren't valid device names on the Switch.
We should also be returning consistent names in
GetActiveAudioDeviceName().
While we're at it, we can also handle proper name output in
ListAudioDeviceName, by returning all the available devices on the
Switch.
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Creating multiple "AudioRenderer" threads cause the previous thread to be overwritten. The thread will name be renamed to AudioRenderer-InstanceX, where X is the current instance number.
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The event should only be signaled when an output audio device gets changed. Example, Speaker to USB headset. We don't identify different devices internally yet so there's no need to signal the event yet.
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Even though it has been proven that IAudioRenderer:SystemEvent is
actually an automatic event. The current implementation of such event is
all thought to be manual. Thus it's implementation needs to be corrected
when doing such change. As it is right now this PR introduced a series
of regressions on softlocks on multiple games. Therefore, this pr
reverts such change until a correct implementation is made.
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service/audio/audren_u: Correct event reset type for the system event
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This is actually an auto-reset event in the audio service itself, not a
manual one.
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Partial impl of GetAccumulatedSuspendedTickChangedEvent
IPC-100 was changed to InitializeApplicationInfoOld instead of InitializeApplicationInfo. IPC-150 makes an indentical call to IPC-100 however does extra processing. They should not have the same name as it's quite confusing to debug.
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service/audren_u: Get rid of magic values within GetAudioRendererWorkBufferSize
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Renames the members to more accurately indicate what they signify.
"OneShot" and "Sticky" are kind of ambiguous identifiers for the reset
types, and can be kind of misleading. Automatic and Manual communicate
the kind of reset type in a clearer manner. Either the event is
automatically reset, or it isn't and must be manually cleared.
The "OneShot" and "Sticky" terminology is just a hold-over from Citra
where the kernel had a third type of event reset type known as "Pulse".
Given the Switch kernel only has two forms of event reset types, we
don't need to keep the old terminology around anymore.
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Also introduced in REV5 was a variable-size audio command buffer. This
also affects how the size of the work buffer should be determined, so we
can add handling for this as well.
Thankfully, no other alterations were made to how the work buffer size
is calculated in 7.0.0-8.0.0. There were indeed changes made to to how
some of the actual audio commands are generated though (particularly in
REV7), however they don't apply here.
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GetWorkBufferSize()
Introduced in REV5. This is trivial to add support for, now that
everything isn't a mess of random magic constant values.
All this is, is a change in data type sizes as far as this function
cares.
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"Unmagics" quite a few magic constants within this code, making it much
easier to understand. Particularly given this factors out specific
sections into their own self-contained lambda functions.
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The state of these service calls are still the same in version 8.0.0.
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These two service functions are literally hardcoded to always return
these values without any other error checking.
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Updates function tables based off information from SwitchBrew.
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core: Add missing override specifiers where applicable
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In several places, we have request parsers where there's nothing to
really parse, simply because the HLE function in question operates on
buffers. In these cases we can just remove these instances altogether.
In the other cases, we can retrieve the relevant members from the parser
and at least log them out, giving them some use.
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Applies the override specifier where applicable. In the case of
destructors that are defaulted in their definition, they can
simply be removed.
This also removes the unnecessary inclusions being done in audin_u and
audrec_u, given their close proximity.
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After doing a little more reading up on the Opus codec, it turns out
that the multistream API that is part of libopus can handle regular
packets. Regular packets are just a degenerate case of multistream Opus
packets, and all that's necessary is to pass the number of streams as 1
and provide a basic channel mapping, then everything works fine for
that case.
This allows us to get rid of the need to use both APIs in the future
when implementing multistream variants in a follow-up PR, greatly
simplifying the code that needs to be written.
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service/audio/hwopus: Move decoder state to its own class
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Moves the non-multistream specific state to its own class. This will be
necessary to support the multistream variants of opus decoding.
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This indicates the entropy coder's final range.
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IHardwareOpusDecoderManager
This will be utilized by more than just that class in the future. This
also renames it from OpusHeader to OpusPacketHeader to be more specific
about what kind of header it is.
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Makes it impossible to violate the ODR, as well as providing a place for
future changes.
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if the stream is playing
The service itself only does further actions if the stream is playing.
If the stream is already stopped, then it just exits successfully.
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AppendAudioOutBufferImpl()
Previously we were overwriting the error case with a success code
further down (which is definitely not what we should be doing here).
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Places all error codes in an easily includable header.
This also corrects the unsupported error code (I accidentally used the
hex value when I meant to use the decimal one).
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service/audio: Provide an implementation of ExecuteAudioRendererRendering
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This currently has the same behavior as the regular
OpenAudioRenderer API function, so we can just move the code within
OpenAudioRenderer to an internal function that both service functions
call.
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This service function appears to do nothing noteworthy on the switch.
All it does at the moment is either return an error code or abort the
system. Given we obviously don't want to kill the system, we just opt
for always returning the error code.
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AudioRendererParameter
Provides names for previously unknown entries (aside from the two u8
that appear to be padding bytes, and a single word that also appears
to be reserved or padding).
This will be useful in subsequent changes when unstubbing behavior related
to the audio renderer services.
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Gets rid of the largest set of mutable global state within the core.
This also paves a way for eliminating usages of GetInstance() on the
System class as a follow-up.
Note that no behavioral changes have been made, and this simply extracts
the functionality into a class. This also has the benefit of making
dependencies on the core timing functionality explicit within the
relevant interfaces.
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hwopus: Implement DecodeInterleaved (the newest variant)
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This functions almost identically to DecodeInterleavedWithPerfOld,
however this function also has the ability to reset the decoder context.
This is documented as a potentially desirable thing in the libopus
manual in some circumstances as it says for the OPUS_RESET_STATE ctl:
"This should be called when switching streams in order to prevent the
back to back decoding from giving different result from one at a time
decoding."
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DecodeInterleavedWithPerfOld
Keeps the logic in one spot for use by both functions.
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This doesn't really offer anything over the use of a direct pointer, so
we can just use that instead.
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Makes non-mutable state more explicit.
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