pinebuds/apps/anc/src/anc_assist.c

384 lines
11 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#include "anc_assist.h"
#include "anc_assist_algo.h"
#include "anc_process.h"
#include "arm_math.h"
#include "audio_dump.h"
#include "audioflinger.h"
#include "hal_aud.h"
#include "hal_codec.h"
#include "hal_timer.h"
#include "hal_trace.h"
#include "speech_cfg.h"
#include "speech_memory.h"
#include "speech_ssat.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#if defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
#include "main_classify.h"
#endif
static void _close_mic_anc_assist();
static void _open_mic_anc_assist();
#define _SAMPLE_RATE (16000)
#if defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
#define _FRAME_LEN (128)
#else
#define _FRAME_LEN (160)
#endif
#define _CHANNEL_NUM_MAX (3)
#define SAMPLE_BYTES (sizeof(ASSIST_PCM_T))
#define AF_STREAM_BUFF_SIZE (_FRAME_LEN * SAMPLE_BYTES * _CHANNEL_NUM_MAX * 2)
#define ANC_ADPT_STREAM_ID AUD_STREAM_ID_3
#define _FRAME_LEN_MAX (160)
#define _SAMPLE_BITS_MAX (32)
static uint8_t __attribute__((aligned(4))) af_stream_buff[AF_STREAM_BUFF_SIZE];
static ASSIST_PCM_T af_stream_mic1[_FRAME_LEN_MAX * (_SAMPLE_BITS_MAX / 8)];
static ASSIST_PCM_T af_stream_mic2[_FRAME_LEN_MAX * (_SAMPLE_BITS_MAX / 8)];
static ASSIST_PCM_T af_stream_mic3[_FRAME_LEN_MAX * (_SAMPLE_BITS_MAX / 8)];
int MIC_NUM = 0;
int MIC_MAP = 0;
#if defined(ANC_ASSIST_PILOT_ENABLED)
#define _PLAY_SAMPLE_RATE (8000)
#define _PLAY_FRAME_LEN (80)
#define AF_PLAY_STREAM_BUFF_SIZE (_PLAY_FRAME_LEN * SAMPLE_BYTES * 1 * 2)
static uint8_t __attribute__((aligned(4)))
af_play_stream_buff[AF_PLAY_STREAM_BUFF_SIZE];
#endif
#if defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
ClassifyState *NoiseClassify_st = NULL;
#endif
#if defined(ANC_ASSIST_PILOT_ENABLED) || defined(ANC_ASSIST_HESS_ENABLED) || \
defined(ANC_ASSIST_PNC_ENABLED) || \
defined(ANC_ASSIST_DEHOWLING_ENABLED) || \
defined(ANC_ASSIST_WNR_ENABLED) || \
defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
extern const struct_anc_cfg *anc_coef_list_48k[1];
void anc_assist_change_curve(int curve_id) {
TRACE(2, "[%s] change anc curve %d", __func__, curve_id);
anc_set_cfg(anc_coef_list_48k[0], ANC_FEEDFORWARD, ANC_GAIN_NO_DELAY);
anc_set_cfg(anc_coef_list_48k[0], ANC_FEEDBACK, ANC_GAIN_NO_DELAY);
}
bool audio_engine_tt_is_on() { return 1; }
#define _tgt_ff_gain (512)
void anc_assist_set_anc_gain(float gain_ch_l, float gain_ch_r,
enum ANC_TYPE_T anc_type) {
TRACE(2, "[%s] set anc gain %d", __func__, (int)(100 * gain_ch_l));
uint32_t tgt_ff_gain_l, tgt_ff_gain_r;
tgt_ff_gain_l = (uint32_t)(_tgt_ff_gain * gain_ch_l);
tgt_ff_gain_r = (uint32_t)(_tgt_ff_gain * gain_ch_r);
anc_set_gain(tgt_ff_gain_l, tgt_ff_gain_r, anc_type);
}
#endif
#if defined(ANC_ASSIST_PILOT_ENABLED)
static LeakageDetectionState *pilot_st = NULL;
#endif
#if defined(ANC_ASSIST_HESS_ENABLED) || defined(ANC_ASSIST_PNC_ENABLED) || \
defined(ANC_ASSIST_DEHOWLING_ENABLED) || defined(ANC_ASSIST_WNR_ENABLED)
static ANCAssistMultiState *anc_assist_multi_st = NULL;
#endif
ANC_ASSIST_MODE_T g_anc_assist_mode = ANC_ASSIST_MODE_QTY;
void anc_assist_open(ANC_ASSIST_MODE_T mode) {
g_anc_assist_mode = mode;
// normal init
#if defined(ANC_ASSIST_PILOT_ENABLED)
pilot_st = LeakageDetection_create(160, 0);
#endif
#if defined(ANC_ASSIST_HESS_ENABLED) || defined(ANC_ASSIST_PNC_ENABLED) || \
defined(ANC_ASSIST_DEHOWLING_ENABLED) || defined(ANC_ASSIST_WNR_ENABLED)
anc_assist_multi_st = ANCAssistMulti_create(_SAMPLE_RATE, _FRAME_LEN, 128);
#endif
#if defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
NoiseClassify_st = classify_create(_SAMPLE_RATE, _FRAME_LEN);
#endif
// audio_dump_init(160,sizeof(short),3);
if (mode == ANC_ASSIST_MODE_QTY) {
return;
} else {
if (mode == ANC_ASSIST_STANDALONE || mode == ANC_ASSIST_MUSIC) {
_open_mic_anc_assist();
}
if (mode == ANC_ASSIST_PHONE_8K) {
// normal init 8k
} else if (mode == ANC_ASSIST_PHONE_16K) {
// normal init 16k
}
}
}
void anc_assist_close() {
#if defined(ANC_ASSIST_PILOT_ENABLED)
LeakageDetection_destroy(pilot_st);
#endif
#if defined(ANC_ASSIST_HESS_ENABLED) || defined(ANC_ASSIST_PNC_ENABLED) || \
defined(ANC_ASSIST_DEHOWLING_ENABLED) || defined(ANC_ASSIST_WNR_ENABLED)
ANCAssistMulti_destroy(anc_assist_multi_st);
#endif
#if defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
classify_destroy(NoiseClassify_st);
#endif
// ext_heap_deinit();
if (g_anc_assist_mode == ANC_ASSIST_MODE_QTY) {
return;
} else {
if (g_anc_assist_mode == ANC_ASSIST_STANDALONE ||
g_anc_assist_mode == ANC_ASSIST_MUSIC) {
_close_mic_anc_assist();
}
if (g_anc_assist_mode == ANC_ASSIST_PHONE_8K) {
// normal init 8k
} else if (g_anc_assist_mode == ANC_ASSIST_PHONE_16K) {
// normal init 16k
}
}
}
extern ASSIST_PCM_T ref_buf_data[80];
void anc_assist_process(uint8_t *buf, int len) {
int32_t frame_len = len / SAMPLE_BYTES / MIC_NUM;
ASSERT(frame_len == _FRAME_LEN, "[%s] frame len(%d) is invalid.", __func__,
frame_len);
ASSIST_PCM_T *pcm_buf = (ASSIST_PCM_T *)buf;
ASSIST_PCM_T *mic1 = (ASSIST_PCM_T *)af_stream_mic1;
ASSIST_PCM_T *mic2 = (ASSIST_PCM_T *)af_stream_mic2;
ASSIST_PCM_T *mic3 = (ASSIST_PCM_T *)af_stream_mic3;
for (int32_t i = 0; i < frame_len; i++) {
mic1[i] = pcm_buf[MIC_NUM * i + 0];
mic2[i] = pcm_buf[MIC_NUM * i + 1];
mic3[i] = pcm_buf[MIC_NUM * i + 2];
}
// audio_dump_clear_up();
// audio_dump_add_channel_data(0,mic1,160);
// audio_dump_add_channel_data(1,mic2,160);
// audio_dump_add_channel_data(2,mic3,160);
// audio_dump_run();
// TRACE(2,"in callback");
#if defined(ANC_ASSIST_PILOT_ENABLED)
LeakageDetection_process(pilot_st, AF_ANC_OFF, mic3, ref_buf_data, frame_len);
#endif
#if defined(ANC_ASSIST_HESS_ENABLED) || defined(ANC_ASSIST_PNC_ENABLED) || \
defined(ANC_ASSIST_DEHOWLING_ENABLED) || defined(ANC_ASSIST_WNR_ENABLED)
ANCAssistMulti_process(anc_assist_multi_st, mic1, mic2, mic3, frame_len);
#endif
#if defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
static int last_classify_res = -1;
classify_process(NoiseClassify_st, mic1, last_classify_res);
#endif
if (g_anc_assist_mode == ANC_ASSIST_PHONE_16K) {
// down sample
}
// process fft
// wnr
// pnc
// hess
// pilot adpt
}
static uint32_t anc_assist_callback(uint8_t *buf, uint32_t len) {
#ifdef TEST_MIPS
start_ticks = hal_fast_sys_timer_get();
#endif
anc_assist_process(buf, len);
#ifdef TEST_MIPS
end_ticks = hal_fast_sys_timer_get();
used_mips = (end_ticks - start_ticks) * 1000 / (start_ticks - pre_ticks);
TRACE(2, "[%s] Usage: %d in a thousand (MIPS).", __func__, used_mips);
// wnr_ticks = start_ticks;
// TRACE(2,"[%s] WNR frame takes %d ms.", __func__,
// FAST_TICKS_TO_MS((start_ticks - pre_ticks)*100));
pre_ticks = start_ticks;
#endif
return 0;
}
#if defined(ANC_ASSIST_PILOT_ENABLED)
static uint32_t anc_assist_playback_callback(uint8_t *buf, uint32_t len) {
get_pilot_data(buf, len);
// TRACE(2,"playing data %d",len);
return 0;
}
#endif
static void _open_mic_anc_assist(void) {
int anc_assist_mic_num = 0;
#if defined(ANC_ASSIST_PILOT_ENABLED)
anc_assist_mic_num = anc_assist_mic_num | ANC_ASSIST_FB_MIC;
#endif
#if defined(ANC_ASSIST_HESS_ENABLED) || \
defined(ANC_ASSIST_NOISE_ADAPTIVE_ENABLED)
anc_assist_mic_num = anc_assist_mic_num | ANC_ASSIST_FF1_MIC;
#endif
#if defined(ANC_ASSIST_PNC_ENABLED)
anc_assist_mic_num =
anc_assist_mic_num | ANC_ASSIST_FF1_MIC | ANC_ASSIST_FB_MIC;
#endif
#if defined(ANC_ASSIST_DEHOWLING_ENABLED)
anc_assist_mic_num =
anc_assist_mic_num | ANC_ASSIST_FF1_MIC | ANC_ASSIST_FB_MIC;
#endif
#if defined(ANC_ASSIST_WNR_ENABLED)
anc_assist_mic_num =
anc_assist_mic_num | ANC_ASSIST_FF1_MIC | ANC_ASSIST_FF2_MIC;
#endif
switch (anc_assist_mic_num) {
case (0): {
TRACE(2, "[%s] no mic is used", __func__);
return;
} break;
case (1): {
TRACE(2, "[%s] use fb mic only", __func__);
MIC_NUM = 3;
MIC_MAP = AUD_INPUT_PATH_AF_ANC;
} break;
case (4): {
TRACE(2, "[%s] use ff mic only", __func__);
MIC_NUM = 3;
MIC_MAP = AUD_INPUT_PATH_ANC_WNR;
} break;
case (5): {
TRACE(2, "[%s] use ff mic and fb mic", __func__);
MIC_NUM = 3;
MIC_MAP = AUD_INPUT_PATH_ANC_WNR;
} break;
case (6): {
TRACE(2, "[%s] use ff1 mic and ff2 mic", __func__);
MIC_NUM = 2;
MIC_MAP = AUD_INPUT_PATH_AF_ANC;
} break;
case (7): {
TRACE(2, "[%s] use ff1 mic and ff2 mic and fb mic", __func__);
MIC_NUM = 2;
MIC_MAP = AUD_INPUT_PATH_AF_ANC;
} break;
default: {
TRACE(2, "[%s] invalid mic order is used", __func__);
} break;
}
MIC_NUM = 3;
MIC_MAP = AUD_INPUT_PATH_AF_ANC;
struct AF_STREAM_CONFIG_T stream_cfg;
TRACE(1, "[%s] ...", __func__);
memset(&stream_cfg, 0, sizeof(stream_cfg));
stream_cfg.channel_num = (enum AUD_CHANNEL_NUM_T)MIC_NUM;
stream_cfg.sample_rate = (enum AUD_SAMPRATE_T)_SAMPLE_RATE;
stream_cfg.bits = (enum AUD_BITS_T)_SAMPLE_BITS;
stream_cfg.vol = 12;
stream_cfg.chan_sep_buf = false;
stream_cfg.device = AUD_STREAM_USE_INT_CODEC;
stream_cfg.io_path = (enum AUD_IO_PATH_T)MIC_MAP;
stream_cfg.handler = anc_assist_callback;
stream_cfg.data_size = _FRAME_LEN * SAMPLE_BYTES * 2 * MIC_NUM;
stream_cfg.data_ptr = af_stream_buff;
ASSERT(stream_cfg.channel_num == MIC_NUM,
"[%s] channel number(%d) is invalid.", __func__,
stream_cfg.channel_num);
TRACE(2, "[%s] sample_rate:%d, data_size:%d", __func__,
stream_cfg.sample_rate, stream_cfg.data_size);
TRACE(2, "[%s] af_stream_buff = %p", __func__, af_stream_buff);
af_stream_open(ANC_ADPT_STREAM_ID, AUD_STREAM_CAPTURE, &stream_cfg);
af_stream_start(ANC_ADPT_STREAM_ID, AUD_STREAM_CAPTURE);
#if defined(ANC_ASSIST_PILOT_ENABLED)
// struct AF_STREAM_CONFIG_T stream_cfg;
TRACE(1, "[%s] set play ...", __func__);
memset(&stream_cfg, 0, sizeof(stream_cfg));
stream_cfg.bits = (enum AUD_BITS_T)_SAMPLE_BITS;
stream_cfg.channel_num = AUD_CHANNEL_NUM_1;
stream_cfg.sample_rate = (enum AUD_SAMPRATE_T)_PLAY_SAMPLE_RATE;
stream_cfg.device = AUD_STREAM_USE_INT_CODEC;
stream_cfg.io_path = AUD_OUTPUT_PATH_SPEAKER;
stream_cfg.vol = 15;
stream_cfg.handler = anc_assist_playback_callback;
stream_cfg.data_ptr = af_play_stream_buff;
stream_cfg.data_size = sizeof(af_play_stream_buff);
af_stream_open(ANC_ADPT_STREAM_ID, AUD_STREAM_PLAYBACK, &stream_cfg);
af_stream_start(ANC_ADPT_STREAM_ID, AUD_STREAM_PLAYBACK);
#endif
}
static void _close_mic_anc_assist() {
TRACE(1, "[%s] ...", __func__);
af_stream_stop(ANC_ADPT_STREAM_ID, AUD_STREAM_CAPTURE);
af_stream_close(ANC_ADPT_STREAM_ID, AUD_STREAM_CAPTURE);
if (g_anc_assist_mode == ANC_ASSIST_STANDALONE ||
g_anc_assist_mode == ANC_ASSIST_MUSIC) {
// close capture
}
// destroy
}