GRC services

GRC (Game Recording) uses libstagefright and the NvMMLite TVMR library for writing recorded video to MP4s.

Error reporting is done using the new /dev/nverpt-ctrl ioctls.

grc:c

This is "nn::grcsrv::IGrcService".

Cmd	Name
1	OpenContinuousRecorder
2	OpenGameMovieTrimmer

IContinuousRecorder

This is "nn::grcsrv::IContinuousRecorder".

Cmd	Name
1
2
10
11
12
13

IGameMovieTrimmer

This is "nn::grcsrv::IGameMovieTrimmer".

Cmd	Name
1	BeginTrim
2	EndTrim
10	GetNotTrimmingEvent
20	SetThumbnailRgba

grc:d

This is "nn::grcsrv::IRemoteVideoTransfer".

Added with 6.0.0.

Cmd	Name	Notes
1		No input/output.
2		Takes a total of 4-bytes of input and a type-0x6 output buffer, returns a total of 0x10-bytes of output.

IMovieMaker

This is "nn::grcsrv::IMovieMaker".

Cmd	Name
2	#CreateVideoProxy
10	#OpenOffscreenLayer
11	#CloseOffscreenLayer
20	#StartOffscreenRecording
21	#AbortOffscreenRecording
22	#RequestOffscreenRecordingFinishReady
23	#CompleteOffscreenRecordingFinish
24	#StartOffscreenRecordingEx
25	#CompleteOffscreenRecordingFinishEx0
30	#GetOffscreenLayerError
41	#EncodeOffscreenLayerAudioSample
50	#GetOffscreenLayerRecordingFinishReadyEvent
52	#GetOffscreenLayerAudioEncodeReadyEvent

CreateVideoProxy

No input, returns an IHOSBinderDriver.

OpenOffscreenLayer

Takes an input u64 LayerHandle, returns an output u32.

CloseOffscreenLayer

Takes an input u64 LayerHandle, no output.

StartOffscreenRecording

Takes an input u64, no output.

Seems to be unused by official user processes, #StartOffscreenRecordingEx is used instead.

AbortOffscreenRecording

Takes an input u64 LayerHandle, no output.

RequestOffscreenRecordingFinishReady

Takes an input u64 LayerHandle, no output.

StartOffscreenRecordingEx

Takes an input u64 LayerHandle and an #OffscreenRecordingParameter, no output.

CompleteOffscreenRecordingFinish

Takes an input u64 and a type-0x5 input buffer, no output.

Seems to be unused by official user processes, #CompleteOffscreenRecordingFinishEx0 is used instead.

CompleteOffscreenRecordingFinishEx0

Takes an input u64 LayerHandle and 2 type-0x5 input buffers, no output.

EncodeOffscreenLayerAudioSample

Takes an input u64 LayerHandle and a type-0x5 input buffer, returns an output u64.

GetOffscreenLayerError

Takes an input u64 LayerHandle, no output.

GetOffscreenLayerRecordingFinishReadyEvent

Takes an input u64 LayerHandle, returns an output event handle.

GetOffscreenLayerAudioEncodeReadyEvent

Takes an input u64 LayerHandle, returns an output event handle.

OffscreenRecordingParameter

This is a 0x80-byte struct.