Nintendo Switch Brew

Audio services: Difference between revisions

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| 0 || [17.0.0+] GetDspStatistics ([6.0.0-16.1.0] EnableDspUsageMeasurement)
| 0 || [17.0.0+] GetDspStatistics ([6.0.0-16.1.0] EnableDspUsageMeasurement)
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| 1 || [6.0.0-16.1.0] DisableDspUsageMeasurement
| 1 || [20.0.0+] GetAppletStateSummaries ([6.0.0-16.1.0] DisableDspUsageMeasurement)
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| 2 || [20.0.0+] SetDspStatisticsParameter
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| 3 || [20.0.0+] GetDspStatisticsParameter
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| 6 || [6.0.0-16.1.0] GetDspUsage
| 6 || [6.0.0-16.1.0] GetDspUsage
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| 5 || SetTargetMute
| 5 || SetTargetMute
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| 6 || [1.0.0-17.0.1] IsTargetConnected
| 6 || [20.0.0+] ([1.0.0-17.0.1] IsTargetConnected)
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| 7 || SetDefaultTarget
| 7 || SetDefaultTarget
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| 22 || [3.0.0+] NotifyHeadphoneVolumeWarningDisplayedEvent
| 22 || [3.0.0+] NotifyHeadphoneVolumeWarningDisplayedEvent
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| 23 || [4.0.0+] SetSystemOutputMasterVolume
| 23 || [4.0.0+] [[#SetSystemOutputMasterVolume]]
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| 24 || [4.0.0+] GetSystemOutputMasterVolume
| 24 || [4.0.0+] [[#GetSystemOutputMasterVolume]]
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| 25 || [4.0.0-13.2.1] [[#GetAudioVolumeDataForPlayReport]]
| 25 || [20.0.0+] ([4.0.0-13.2.1] [[#GetAudioVolumeDataForPlayReport]])
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| 26 || [4.0.0-14.1.2] [[#UpdateHeadphoneSettings]]
| 26 || [4.0.0-14.1.2] [[#UpdateHeadphoneSettings]]
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| 40 || [14.0.0+] [[#GetSystemInformationForDebug]]
| 40 || [14.0.0+] [[#GetSystemInformationForDebug]]
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| 41 || [15.0.0+] SetVolumeButtonLongPressTime
| 41 || [15.0.0-19.0.1] SetVolumeButtonLongPressTime
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| 42 || [15.0.0+] SetNativeVolumeForDebug
| 42 || [15.0.0+] SetNativeVolumeForDebug
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| 10000 || [13.0.0+] NotifyAudioOutputTargetForPlayReport
| 5000 || [19.0.0+]  
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| 10001 || [13.0.0+] NotifyAudioOutputChannelCountForPlayReport
| 10000 || [13.0.0-19.0.1] NotifyAudioOutputTargetForPlayReport
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| 10002 || [13.0.0+] NotifyUnsupportedUsbOutputDeviceAttachedForPlayReport
| 10001 || [13.0.0-19.0.1] NotifyAudioOutputChannelCountForPlayReport
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| 10100 || [14.0.0+] GetAudioVolumeDataForPlayReport
| 10002 || [13.0.0-19.0.1] NotifyUnsupportedUsbOutputDeviceAttachedForPlayReport
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| 10100 || [14.0.0+] [[#GetAudioVolumeDataForPlayReport]]
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| 10101 || [14.0.0+] BindAudioVolumeUpdateEventForPlayReport
| 10101 || [14.0.0+] BindAudioVolumeUpdateEventForPlayReport
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| 10102 || [14.0.0+] BindAudioOutputTargetUpdateEventForPlayReport
| 10102 || [14.0.0-19.0.1] BindAudioOutputTargetUpdateEventForPlayReport
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| 10103 || [14.0.0-19.0.1] GetAudioOutputTargetForPlayReport
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| 10104 || [14.0.0-19.0.1] GetAudioOutputChannelCountForPlayReport
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| 10105 || [14.0.0-19.0.1] BindAudioOutputChannelCountUpdateEventForPlayReport
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| 10103 || [14.0.0+] GetAudioOutputTargetForPlayReport
| 10106 || [14.0.0-19.0.1] GetDefaultAudioOutputTargetForPlayReport
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| 10104 || [14.0.0+] GetAudioOutputChannelCountForPlayReport
| 10200 || [20.0.0+]
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| 10105 || [14.0.0+] BindAudioOutputChannelCountUpdateEventForPlayReport
| 50000 || [15.0.0-18.1.0] SetAnalogInputBoostGainForPrototyping
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| 10106 || [14.0.0+] GetDefaultAudioOutputTargetForPlayReport
| 50001 || [19.0.0-19.0.1] OverrideDefaultTargetForDebug
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| 50000 || [15.0.0+] SetAnalogInputBoostGainForPrototyping
| 50003 || [19.0.0+] SetForceOverrideExternalDeviceNameForDebug
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| 50004 || [19.0.0+] ClearForceOverrideExternalDeviceNameForDebug
|}
|}
== SetSystemOutputMasterVolume ==
Takes an input float '''SystemOutputMasterVolume'''. No output.
[20.0.0+] Originally any input was accepted, now input must be in range 0.0-1.0 otherwise it's replaced by nearest accepted value.
== GetSystemOutputMasterVolume ==
No input. Returns an output float '''SystemOutputMasterVolume'''.


== GetAudioVolumeDataForPlayReport ==
== GetAudioVolumeDataForPlayReport ==
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[13.0.0+] No input, returns a total of 9-bytes of output.
[13.0.0+] No input, returns a total of 9-bytes of output.
[20.0.0+] Now takes a 0x400-bytes type-0x16 output buffer and no longer returns any output.


== UpdateHeadphoneSettings ==
== UpdateHeadphoneSettings ==
Takes one input bool. No output.
Takes one input bool. No output.
NS calls this with the result of IParentalControlService::IsRestrictionEnabled[https://switchbrew.org/wiki/Parental_Control_services#IParentalControlService].
 
NS calls this with the result of [[Parental_Control_services#IParentalControlService|IParentalControlService::IsRestrictionEnabled]].


== GetSystemInformationForDebug ==
== GetSystemInformationForDebug ==
Takes a type-0x1A output buffer.
Takes a type-0x1A output buffer. No output.


[15.0.0+] Now takes a type-0x16 output buffer.
[15.0.0+] Now takes a type-0x16 output buffer.
[18.0.0+] Originally the output buffer was a binary structure, now it's just a string.
[20.0.0+] Now takes a total of 0x40-bytes of input and the type-0x16 output buffer is now 0x2000-bytes instead of 0x1000-bytes.


= codecctl =
= codecctl =
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| 9 || SetAudioOutputProcessRecordVolume
| 9 || SetAudioOutputProcessRecordVolume
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| 10 || [18.0.0+]
| 10 || [18.0.0-19.0.1] GetAppletStateSummaries
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|}


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| u8 array of channel mappings
| u8 array of channel mappings
|}
|}
= Notes =
Once nnMain finishes running, it calls a func which handles ADSP Aborts. This waits on an event, calls a func, then Aborts with Result 0xC0899.
That func just calls another func, which:
* Calls various AGIC funcs for this IRQ, etc.
* Copies data from devicemem+0x608C (the 0x7000-byte devicemem "shared memory segment") to a stack struct.
* A funcptr is called if set with the above struct, then this returns.
That funcptr, besides other func-calls, will log an [[Error_Report_services|erpt]] using the input struct when set with the "AdspException*" fields.
This is triggered by AGIC IRQ adsp_wdresetreq, "ADSP Watchdog Timer Reset Request". The ADSP updates the watchdog from a thread, so normally the watchdog only expires when the ADSP configures it to trigger immediately.
When handling an assert/exception, the ADSP:
* Logs exception info in text form into devicemem.
* Logs the binary form of the exception into devicemem (offset above).
* Eventually configures the watchdog to trigger immediately, prints "HALT: spinning forever...\n", then enters a loop using instruction "wfe".


[[Category:Services]]
[[Category:Services]]
Retrieved from "https://switchbrew.org/wiki/Audio_services"