Nintendo Switch Brew

Audio services: Difference between revisions

← Older editNewer edit →
Adding names from factory titles and minor corrections
Line 98: Line 98:
! Offset || Size || Description
! Offset || Size || Description
|-
|-
| 0x00 || 8 || Pointer to next buffer
| 0x00 || 8 || Pointer to next buffer (unused)
|-
|-
| 0x08 || 8 || Pointer to sample buffer
| 0x08 || 8 || Pointer to sample buffer
Line 288: Line 288:
Returns the upper limit of the rendering time in percent. (u32)
Returns the upper limit of the rendering time in percent. (u32)


= audout:a, audin:a, audrec:a, audren:a =
= audout:a =
This is "nn::audio::detail::IAudioOutManagerForApplet", "nn::audio::detail::IAudioInManagerForApplet", "nn::audio::detail::IFinalOutputRecorderManagerForApplet", "nn::audio::detail::IAudioRendererManagerForApplet".
This is "nn::audio::detail::IAudioOutManagerForApplet".


{| class="wikitable" border="1"
{| class="wikitable" border="1"
Line 295: Line 295:
! Cmd || Name
! Cmd || Name
|-
|-
| 0 || RequestSuspend
| 0 || RequestSuspendAudioOuts
|-
|-
| 1 || RequestResume
| 1 || RequestResumeAudioOuts
|-
| 2 || GetAudioOutsProcessMasterVolume
|-
| 3 || SetAudioOutsProcessMasterVolume
|}
 
= audin:a =
This is "nn::audio::detail::IAudioInManagerForApplet".
 
{| class="wikitable" border="1"
|-
! Cmd || Name
|-
| 0 || RequestSuspendAudioIns
|-
| 1 || RequestResumeAudioIns
|-
| 2 || GetAudioInsProcessMasterVolume
|-
| 3 || SetAudioInsProcessMasterVolume
|}
 
= audrec:a =
This is "nn::audio::detail::IFinalOutputRecorderManagerForApplet".
 
{| class="wikitable" border="1"
|-
! Cmd || Name
|-
| 0 || RequestSuspendFinalOutputRecorders
|-
| 1 || RequestResumeFinalOutputRecorders
|}
 
= audren:a =
This is "nn::audio::detail::IAudioRendererManagerForApplet".
 
{| class="wikitable" border="1"
|-
! Cmd || Name
|-
| 0 || RequestSuspendAudioRenderers
|-
| 1 || RequestResumeAudioRenderers
|-
| 2 || GetAudioRenderersProcessMasterVolume
|-
| 3 || SetAudioRenderersProcessMasterVolume
|-
| 4 || RegisterAppletResourceUserId
|-
| 5 || UnregisterAppletResourceUserId
|}
|}


Line 462: Line 514:
! Cmd || Name
! Cmd || Name
|-
|-
| 0 || [[#OpenHardwareOpusDecoder]]
| 0 || [[#Initialize]]
|-
|-
| 1 || [[#GetHardwareOpusDecoderWorkBufferSize]]
| 1 || [[#GetWorkBufferSize]]
|-
|-
| 2 || [3.0.0+] OpenHardwareOpusDecoderEx
| 2 || [3.0.0+] InitializeEx
|-
|-
| 3 || [3.0.0+] GetHardwareOpusDecoderWorkBufferSizeEx
| 3 || [3.0.0+] GetWorkBufferSizeEx
|}
|}


== OpenHardwareOpusDecoder ==
== Initialize ==
Takes two u32s '''SampleRate''' and '''ChannelCount''' packed as an u64, an u32 '''WorkBufferSize''' and a TransferMemory handle. Returns an [[#IHardwareOpusDecoder]] object. The TransferMemory is created by the user-process with permissions=0.
Takes two u32s '''SampleRate''' and '''ChannelCount''' packed as an u64, an u32 '''WorkBufferSize''' and a TransferMemory handle for '''WorkBuffer'''. Returns an [[#IHardwareOpusDecoder]] object. The TransferMemory is created by the user-process with permissions=0.


== GetHardwareOpusDecoderWorkBufferSize ==
== GetWorkBufferSize==
Takes two u32s '''SampleRate''' and '''ChannelCount''' packed as an u64. Returns the required size for the decoder's work buffer.
Takes two u32s '''SampleRate''' and '''ChannelCount''' packed as an u64. Returns the required size for the decoder's work buffer.


Line 484: Line 536:
! Cmd || Name
! Cmd || Name
|-
|-
| 0 || [[#Decode]]
| 0 || [[#DecodeInterleaved]]
|-
|-
| 1 || [[#SendDecoderContext]]
| 1 || [[#SetContext]]
|-
|-
| 2 || [3.0.0+] DecodeEx
| 2 || [3.0.0+] DecodeInterleavedEx
|-
|-
| 3 || [3.0.0+] SendDecoderContextEx
| 3 || [3.0.0+] SetContextEx
|-
|-
| 4 || [4.0.0+]
| 4 || [4.0.0+]
Line 497: Line 549:
|}
|}


=== Decode ===
=== DecodeInterleaved ===
Takes a type-5 input buffer ('''OpusDataIn''') and a type-6 output buffer ('''PcmDataOut'''). Decodes the Opus source data to PCM and returns two u32s '''DecodedSampleCount''' and '''DecodedDataSize'''.
Takes a type-5 input buffer ('''OpusDataIn''') and a type-6 output buffer ('''PcmDataOut'''). Decodes the Opus source data to PCM and returns two u32s '''DecodedSampleCount''' and '''DecodedDataSize'''.


=== SendDecoderContext ===
=== SetContext ===
Takes a type-5 input buffer ('''DecoderContextIn'''). Sends the unknown context data to the hardware decoder.
Takes a type-5 input buffer ('''DecoderContextIn'''). Sends the unknown context data to the hardware decoder.


= auddebug =
= auddebug =
This is "nn::audio::detail::IAudioDebugManager".
This service doesn't exist in retail units.
This service doesn't exist in retail units.
{| class="wikitable" border="1"
|-
! Cmd || Name
|-
| 0 ||
|-
| 1 ||
|-
| 2 ||
|-
| 3 ||
|}


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