mirror of
https://github.com/AndroidAudioMods/ViPERFX_RE.git
synced 2025-06-08 02:29:40 +08:00
92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
#include <cstring>
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#include "viper/ViPER.h"
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#include "essential.h"
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#include "viper/constants.h"
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#include "ViperContext.h"
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extern "C" {
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struct ViperHandle {
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const struct effect_interface_s *iface; // Always keep as first member
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ViperContext *context;
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};
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static const effect_descriptor_t viperDescriptor = {
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.type = *EFFECT_UUID_NULL,
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.uuid = {0x90380da3, 0x8536, 0x4744, 0xa6a3, {0x57, 0x31, 0x97, 0x0e, 0x64, 0x0f}},
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.apiVersion = EFFECT_CONTROL_API_VERSION,
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.flags = EFFECT_FLAG_OUTPUT_DIRECT | EFFECT_FLAG_INPUT_DIRECT | EFFECT_FLAG_INSERT_LAST |
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EFFECT_FLAG_TYPE_INSERT,
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.cpuLoad = 8, // In 0.1 MIPS units as estimated on an ARM9E core (ARMv5TE) with 0 WS
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.memoryUsage = 1, // In KB and includes only dynamically allocated memory
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.name = VIPER_NAME,
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.implementor = VIPER_AUTHORS
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};
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static int32_t viperInterfaceProcess(effect_handle_t self, audio_buffer_t *inBuffer, audio_buffer_t *outBuffer) {
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auto viperHandle = reinterpret_cast<ViperHandle *>(self);
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if (viperHandle == nullptr) return -EINVAL;
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return viperHandle->context->process(inBuffer, outBuffer);
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}
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static int32_t viperInterfaceCommand(effect_handle_t self,
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uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
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uint32_t *pReplySize, void *pReplyData) {
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auto viperHandle = reinterpret_cast<ViperHandle *>(self);
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if (viperHandle == nullptr) return -EINVAL;
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return viperHandle->context->handleCommand(cmdCode, cmdSize, pCmdData, pReplySize, pReplyData);
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}
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static int32_t viperInterfaceGetDescriptor(effect_handle_t self, effect_descriptor_t *pDescriptor) {
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if (pDescriptor == nullptr) return -EINVAL;
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*pDescriptor = viperDescriptor;
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return 0;
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}
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static const effect_interface_s viperInterface = {
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.process = viperInterfaceProcess,
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.command = viperInterfaceCommand,
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.get_descriptor = viperInterfaceGetDescriptor
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};
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static int32_t
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viperLibraryCreate(const effect_uuid_t *uuid, int32_t sessionId __unused, int32_t ioId __unused,
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effect_handle_t *pHandle) {
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if (uuid == nullptr || pHandle == nullptr) return -EINVAL;
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if (memcmp(uuid, &viperDescriptor.uuid, sizeof(effect_uuid_t)) != 0) return -ENOENT;
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ViperHandle *viperHandle = new ViperHandle();
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viperHandle->iface = &viperInterface;
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viperHandle->context = new ViperContext();
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*pHandle = reinterpret_cast<effect_handle_t>(viperHandle);
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return 0;
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}
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static int32_t viperLibraryRelease(effect_handle_t handle) {
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auto viperHandle = reinterpret_cast<ViperHandle *>(handle);
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if (viperHandle == nullptr) return -EINVAL;
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delete viperHandle->context;
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return 0;
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}
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static int32_t viperLibraryGetDescriptor(const effect_uuid_t *uuid, effect_descriptor_t *pDescriptor) {
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if (uuid == nullptr || pDescriptor == nullptr) return -EINVAL;
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if (memcmp(uuid, &viperDescriptor.uuid, sizeof(effect_uuid_t)) != 0) return -ENOENT;
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*pDescriptor = viperDescriptor;
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return 0;
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}
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__attribute__ ((visibility ("default")))
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audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
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.tag = AUDIO_EFFECT_LIBRARY_TAG,
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.version = EFFECT_LIBRARY_API_VERSION,
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.name = VIPER_NAME,
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.implementor = VIPER_AUTHORS,
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.create_effect = viperLibraryCreate,
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.release_effect = viperLibraryRelease,
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.get_descriptor = viperLibraryGetDescriptor,
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};
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} // extern "C"
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