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Brook ChenChromeos LUCI
Brook Chen
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Chromeos LUCI
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Add iGo 3mic BF processor plugin
BUG=b:340156876 TEST=build.bash Change-Id: I59722de609ea750b2a4d850e4ca4d4435b104935 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/5687153 Reviewed-by: Chih-Yang Hsia <[email protected]> Commit-Queue: Li-Yu Yu <[email protected]> Tested-by: [email protected] <[email protected]>
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‎third_party/audio_processor/igo/.gitignore

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sysroot
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toolchain
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*.so
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*.so.*
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*.a

‎third_party/audio_processor/igo/build.bash

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set -x
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toolchain/bin/x86_64-cros-linux-gnu-clang++ \
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--sysroot=$PWD/sysroot \
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-Wl,--strip-all -Wl,-no-undefined -z defs -lc++ -lm \
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-Wl,--version-script=igo.lds \
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'-Wl,-rpath,$ORIGIN' \
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-std=gnu++20 -stdlib=libc++ -shared -fPIC -O2 igo_plugin.cc -o libigo_processor.so -l:libigo.a -l:libdnnl.so.1 -L.

‎third_party/audio_processor/igo/igo.lds

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{
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global:
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extern "C" {
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plugin_processor_create;
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};
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# Hide everything else.
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local:
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*;
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};

‎third_party/audio_processor/igo/igo_lib.h

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/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright(c) 2024 Intelligo Technology Inc. All rights reserved.
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*
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* Author: Fu-Yun TSUO <[email protected]>
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*/
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/*******************************************************************************
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* [2017] - [2024] Copyright (c) Intelligo Technology Inc.
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*
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* This unpublished material is proprietary to Intelligo Technology Inc.
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* All rights reserved. The methods and techniques described herein are
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* considered trade secrets and/or confidential. Reproduction or
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* distribution, in whole or in part, is forbidden except by express written
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* permission of Intelligo Technology Inc.
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*
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*******************************************************************************/
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#ifndef _IGO_LIB_H_
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#define _IGO_LIB_H_
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#include <stdint.h>
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enum IgoRet {
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IGO_RET_OK = 0,
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IGO_RET_ERR,
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IGO_RET_NO_SERVICE,
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IGO_RET_INVL_ARG,
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IGO_RET_NO_MEMORY,
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IGO_RET_NOT_SUPPORT,
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IGO_RET_ALGO_NAME_NOT_FOUND,
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IGO_RET_CH_NUM_ERR,
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IGO_RET_SAMPLING_RATE_NOT_SUPPORT,
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IGO_RET_IN_DATA_ERR,
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IGO_RET_REF_DATA_ERR,
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IGO_RET_OUT_DATA_ERR,
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IGO_RET_PARAM_NOT_FOUND,
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IGO_RET_PARAM_READ_ONLY,
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IGO_RET_PARAM_WRITE_ONLY,
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IGO_RET_PARAM_INVALID_VAL,
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IGO_RET_LAST
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};
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enum IgoDataWidth {
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IGO_DATA_INT16 = 0,
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IGO_DATA_INT32,
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IGO_DATA_FLOAT32,
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IGO_DATA_LAST
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};
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/**
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* @brief IgoLibInfo is used to keep information for iGo library.
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*
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*/
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struct IgoLibInfo {
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const char* algo_name; /* Algorithm name */
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uint32_t source_id; /* Library source ID */
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uint32_t date_code; /* BCD format. e.g., 0x20220527 */
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uint32_t major_version; /* Major version */
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uint32_t minor_version; /* Minor version */
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uint32_t build_version; /* Build version */
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uint32_t ext_version; /* Extension version */
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uint32_t git_commit_id; /* Git commit ID */
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uint8_t max_in_ch_num; /* Maximal input channel nubmer */
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uint8_t max_ref_ch_num; /* Maximal reference channel nubmer */
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uint8_t max_out_ch_num; /* Maximal output channel nubmer */
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};
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/**
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* @brief IgoStreamData is used to keep audio data for iGo library.
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*
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*/
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struct IgoStreamData {
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void* data; /* Data array */
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enum IgoDataWidth data_width; /* Specify audio data bit width */
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uint16_t sample_num; /* Sample number in this data bulk */
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uint16_t sampling_rate; /* Sampling rate for the data stream */
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};
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/**
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* @brief IgoLibConfig is used to keep lib configuration for lib instance
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* initialization.
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*
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*/
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struct IgoLibConfig {
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const void* private_data; /* Point to private data */
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void* public_data; /* Point to public data */
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uint8_t in_ch_num; /* Input channel number in use*/
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uint8_t ref_ch_num; /* Reference channel number in use */
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uint8_t out_ch_num; /* Output channel number in use*/
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief IgoLibGetInfo() - Retrieve the lib information.
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* @param[out] info Lib information.
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*
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* This API is used to get library detail information.
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*
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* @return iGo defined return value.
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*/
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enum IgoRet IgoLibGetInfo(struct IgoLibInfo* info);
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/**
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* @brief IgoLibNew() - Allocate an iGo lib instance.
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* @param[in] config Lib configuration.
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* @param[in] in input audio stream.
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* @param[in] ref reference audio stream.
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* @param[out] out output audio stream.
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*
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* This API is used to allocate an iGo lib instance
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*
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* @return iGo defined return value.
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*/
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enum IgoRet IgoLibNew(struct IgoLibConfig* config,
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struct IgoStreamData* in,
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struct IgoStreamData* ref,
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struct IgoStreamData* out);
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/**
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* @brief IgoLibSendBufferAddr() - Send address of data buffer to lib
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* @param[in] config Lib configuration.
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* @param[in] in input audio stream.
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* @param[in] ref reference audio stream.
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* @param[out] out output audio stream.
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*
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* This API is used to send buffer address to iGo lib instance.
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*
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* @return iGo defined return value.
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*/
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enum IgoRet IgoLibUpdateStreamData(struct IgoLibConfig* config,
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struct IgoStreamData* in,
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struct IgoStreamData* ref,
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struct IgoStreamData* out);
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/**
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* @brief IgoLibDelete() - Delete an iGo lib instance.
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* @param[in] config Lib configuration.
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*
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* This API is used to delete an iGo lib instance
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*
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* @return iGo defined return value.
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*/
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enum IgoRet IgoLibDelete(struct IgoLibConfig* config);
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/**
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* @brief IgoLibProcess() - Process audio stream.
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* @param[in] in input audio stream.
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* @param[in] ref reference audio stream.
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* @param[out] out output audio stream.
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*
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* This API is used to process audio stream. The default audio sample is 16bit.
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* The sampling rate and sample number should be specified in IgoStreamData
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* structure. If the channel number > 1 for IgoStreamData, the data should be
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* interleaved sample by sample.
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*
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* Note: IgoLibProcess supports 16k/48k 16bit data only by default.
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* If other data format or sampling rate is required, please
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* ask intelliGo for support.
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*
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* @return iGo defined return value.
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*/
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enum IgoRet IgoLibProcess(struct IgoLibConfig* config,
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struct IgoStreamData* in,
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struct IgoStreamData* ref,
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struct IgoStreamData* out);
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#ifdef __cplusplus
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}
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#endif
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#endif

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