57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
/*
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* Copyright (C) 2022 The LineageOS Project
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <dlfcn.h>
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#include <system/camera_metadata.h>
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#include <vector>
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extern "C" int add_camera_metadata_entry(camera_metadata_t* dst, uint32_t tag, const void* data,
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size_t data_count) {
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static auto add_camera_metadata_entry_orig =
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reinterpret_cast<typeof(add_camera_metadata_entry)*>(
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dlsym(RTLD_NEXT, "add_camera_metadata_entry"));
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if (tag == ANDROID_REQUEST_AVAILABLE_CAPABILITIES) {
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std::vector<uint8_t> caps;
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auto u8 = reinterpret_cast<const uint8_t*>(data);
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for (size_t i = 0; i < data_count; i++) {
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if (u8[i] != ANDROID_REQUEST_AVAILABLE_CAPABILITIES_SYSTEM_CAMERA) {
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caps.emplace_back(u8[i]);
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}
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}
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return add_camera_metadata_entry_orig(dst, tag, caps.data(), caps.size());
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}
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return add_camera_metadata_entry_orig(dst, tag, data, data_count);
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}
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extern "C" int update_camera_metadata_entry(camera_metadata_t* dst, size_t index, const void* data,
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size_t data_count,
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camera_metadata_entry_t* updated_entry) {
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static auto update_camera_metadata_entry_orig =
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reinterpret_cast<typeof(update_camera_metadata_entry)*>(
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dlsym(RTLD_NEXT, "update_camera_metadata_entry"));
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if (camera_metadata_entry_t entry;
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find_camera_metadata_entry(dst, ANDROID_REQUEST_AVAILABLE_CAPABILITIES, &entry) == 0 &&
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entry.index == index) {
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std::vector<uint8_t> caps;
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auto u8 = reinterpret_cast<const uint8_t*>(data);
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for (size_t i = 0; i < data_count; i++) {
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if (u8[i] != ANDROID_REQUEST_AVAILABLE_CAPABILITIES_SYSTEM_CAMERA) {
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caps.emplace_back(u8[i]);
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}
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}
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return update_camera_metadata_entry_orig(dst, index, caps.data(), caps.size(),
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updated_entry);
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}
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return update_camera_metadata_entry_orig(dst, index, data, data_count, updated_entry);
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}
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