mHera vs iBopper Development Package Differences¶

REVISION HISTORY¶

Revision No.	Description	Date
1.00	Initial release	01/12/2025

1. Key SDK Package Differences¶

Table 1: Primary differences between mHera and iBopper SDK packages (and key platform components)

Component	iBopper	mHera
Lib	glibc-2.37	glibc-2.37
Toolchain	arm-unknown-linux-gcc-12.4.0-glibc-2.37-gnueabihf	aarch64-unknown-linux-gcc-12.4.0-glibc-2.37-gnu
Linux Kernel	5.10.117	6.1.111
Uboot	2021.10	2021.10
Busybox	BusyBox v1.33.2	BusyBox v1.33.0

2. Key Media Processing API Differences¶

Table 2: Key media processing API differences between mHera and iBopper. Cells marked with - mean no difference.

Module	Differences between mHera and iBopper	Description
AI	Modified enum `MI_AI_If_e`	Added `E_MI_AI_IF_DMIC_A_67` and `E_MI_AI_IF_SPDIF_A` interfaces
AO	Modified enum `MI_AO_If_e`	Added `E_MI_AO_IF_I2S_C` plus SRC options for A/B/C and updated `E_MI_AO_IF_MAX`
DISP	Modified struct `MI_DISP_PubAttr_t`	Added `pu8PanelName/u32PanelNameSize` to specify panel parameters
	Added enum `MI_DISP_LayerId_e`	Added layer IDs for MOPG/MOPS/Realtime/UI/Cursor/LowLatency
GFX	`-`	`-`
HDMI	`-`	`-`
IPU	`-`	`-`
IVE	Added image types	Added `E_MI_IVE_IMAGE_TYPE_FP16`, `E_MI_IVE_IMAGE_TYPE_FP32`
	Added function `MI_IVE_MAU`	Supports matrix multiply, cosine similarity, Euclidean distance, and sorted output
	Added function `MI_IVE_LkOpticalFlowPyr`	Provides multi-layer pyramid LK optical flow tracking
	Added function `MI_IVE_FAST`	FAST corner detection with corner and score output
	Extended struct `MI_IVE_BgBlurCtrl_t`	Added smooth mode, strength, and custom mask fields
JPD	`-`	`-`
RGN	`-`	`-`
SYS	Added functions `MI_SYS_GetDmaBuf`/`MI_SYS_PutDmaBuf`	Supports dma-buf fd <-> physical address retrieve/release
	Added sideband interfaces	`MI_SYS_GetSidebandData`, `MI_SYS_PutSidebandData`, `MI_SYS_ChnOutputPort*SidebandData`, and `MI_SYS_SidebandData_t`/`MI_SYS_SIDEBAND_HANDLE`
	Modified enum `MI_SYS_CompressMode_e`	Added `E_MI_SYS_COMPRESS_MODE_LSYC0` (for VDEC->DISP compressed mode)
	Extended system limits and metadata	Channels 72->128, sub-planes 8->4, metadata entries 4->6; added HDR fusion count and frame/metadata attachment fields
VDEC	Modified functions `MI_VDEC_SetOutputPortAttr/MI_VDEC_GetOutputPortAttr`	Added `u8PortId`; `MI_VDEC_OutputPortAttr_t` adds compress mode
	Modified functions `MI_VDEC_SetDestCrop/MI_VDEC_GetDestCrop`	Added `u8PortId` for per-port crop
	Modified function `MI_VDEC_SetChnRotate`	Added `u8PortId`
	Removed JPEG definitions	Removed `MI_VDEC_JpegFormat_e`, `MI_VDEC_JpegAttr_t`, `E_MI_VDEC_CODEC_TYPE_JPEG`
VDF	`-`	`-`
VDISP	Added error code `MI_VDISP_ERR_BUSY`	Added busy-state error return
VENC	Added `MI_VENC_SetJpegRoiCfg`/`MI_VENC_GetJpegRoiCfg`	Configure JPEG ROI level and region
	Added `MI_VENC_SetSmartVideoCoding`/`MI_VENC_GetSmartVideoCoding`	Configure smart coding regions and strength
	Added `MI_VENC_SetFrameMapAttr`/`MI_VENC_GetFrameMapAttr`	Control frame map output (gradient/QP/type)
	Added `MI_VENC_GetFrameMapInfo`/`MI_VENC_ReleaseFrameMapInfo`	Read and release frame map data
	Structure/statistics extensions	Added motion-detection SAD, `u32Mse`, `u32PSkipCuNum` stats and unified slice/transform parameter structs
SCL	Added struct `MI_SCL_FilterTableAttr_t`	Allows enabling filter table and `tableId` per output port
FB	`-`	`-`