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fix(build): replace im2d.hpp with im2d.h to fix RGA compilation on RK3588 #334

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fix(build): replace im2d.hpp with im2d.h to fix RGA compilation on RK3588 #334

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2 changes: 1 addition & 1 deletion cpp/inspireface/image_process/nexus_processor/image_processor_rga.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@
#include <unistd.h>
#include <memory>
#include <unordered_map>
#include "im2d.hpp"
#include "im2d.h"

@devloai devloai Bot Jan 13, 2026

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Critical Issue: This change from im2d.hpp (C++) to im2d.h (C) introduces an API compatibility problem that should cause compilation failure.

Root Problem: Line 129 in this file uses:

buffer = wrapbuffer_handle(handle, w, h, RK_FORMAT_RGB_888);

This 4-argument call requires C++ default parameters from im2d.hpp. The C header im2d.h requires all 6 parameters: wrapbuffer_handle(handle, width, height, format, wstride, hstride).

Research findings:

  1. Standard Rockchip librga repositories (rockchip-linux/librga, airockchip/librga) provide both headers
  2. For C++ projects, im2d.hpp is the recommended choice
  3. The C++ header offers default arguments and better type safety

Recommended Solution:

Option A (Preferred): Fix the build environment to include im2d.hpp

  • Revert this change back to #include "im2d.hpp"
  • Ensure the librga package in your Android NDK includes C++ headers
  • This maintains the intended API usage

Option B: If im2d.hpp is truly unavailable, fix the function call:

  • Keep #include "im2d.h"
  • Update line 129 to: buffer = wrapbuffer_handle(handle, w, h, RK_FORMAT_RGB_888, w, h);
  • Add a comment explaining the environment constraint

Verification Request:
Please confirm that the build actually passes with this change alone. The code should fail to compile without fixing line 129. If it compiles, your librga version may have non-standard function signatures.

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#include "im2d_single.h"
#include "RgaUtils.h"
#include "rga/utils.h"
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