| /* st_hw_session_pcm.h |
| * |
| * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <pthread.h> |
| #include <tinyalsa/asoundlib.h> |
| #include <audio_route/audio_route.h> |
| |
| #include "sound_trigger_platform.h" |
| #include "st_hw_session.h" |
| #include "st_common_defs.h" |
| |
| struct sound_trigger_device; |
| |
| |
| #define ST_FFV_CONFIG_FILE_NAME "BF_1out.cfg" |
| #define FFV_LIB_NAME "libffv.so" |
| #define ESP_LIB_NAME "libesp.so" |
| |
| #define SOUND_TRIGGER_MAX_EVNT_PAYLOAD_SIZE (256) |
| |
| #define SOUND_TRIGGER_PCM_MAX_RETRY (10) |
| #define SOUND_TRIGGER_PCM_SLEEP_WAIT (1000) |
| |
| #define SOUND_TRIGGER_PCM_PERIOD_COUNT (8) |
| #define SOUND_TRIGGER_PCM_PERIOD_SIZE \ |
| ((((SOUND_TRIGGER_SAMPLING_RATE_16000 * SOUND_TRIGGER_PCM_BUFFER_DURATION_MS) \ |
| /(SOUND_TRIGGER_PCM_PERIOD_COUNT * 1000)) + 0x1f) & ~0x1f) |
| |
| #define ST_EC_REF_LOOPBACK_DEVICE_MONO "ec-ref-loopback-mono" |
| #define ST_EC_REF_LOOPBACK_DEVICE_STEREO "ec-ref-loopback-stereo" |
| #define ST_EC_REF_LOOPBACK_DEVICE_QUAD "ec-ref-loopback-quad" |
| |
| |
| #define NUM_PROCESS_BUFS 4 |
| #define ST_ESP_FRAME_LENGTH_MS 16 |
| |
| enum det_event_keys { |
| KWD_CONFIDENCE_LEVEL = 0x0, |
| KWD_INDEX, |
| KWD_MAX |
| }; |
| |
| struct process_buf { |
| void *data; |
| int length; |
| int16_t *in_buf_ptr; |
| int16_t *ec_ref_buf_ptr; |
| int16_t *out_buf_ptr; |
| }; |
| |
| struct process_buf_queue { |
| struct process_buf_queue *next; |
| struct process_buf buffer; |
| }; |
| |
| struct st_hw_session_pcm { |
| st_hw_session_t common; |
| |
| void *handle; /* handle to ffv library object */ |
| void *esp_handle; /* handle to esp library object */ |
| |
| pthread_t callback_thread; |
| bool exit_callback_thread; |
| |
| pthread_t capture_thread; |
| bool exit_capture_thread; |
| |
| int pcm_id; |
| struct pcm *pcm; |
| struct pcm_config capture_config; |
| struct pcm_config out_config; |
| struct pcm_config lab_config; |
| |
| int ec_ref_pcm_id; |
| struct pcm *ec_ref_pcm; |
| struct pcm_config ec_ref_config; |
| unsigned int ec_ref_use_case_idx; |
| |
| bool use_topology_intf; |
| |
| struct st_hw_session *transit_ses; |
| |
| unsigned char *in_buf; /* buffer received from pcm read */ |
| unsigned int in_buf_size; |
| |
| unsigned char *ec_ref_buf; /* ec ref data received from pcm read */ |
| unsigned int ec_ref_buf_size; |
| |
| unsigned char *split_in_buf; /* in buffer post ec ref split */ |
| unsigned int split_in_buf_size; |
| |
| unsigned char *out_buf; /* ffv library output buffer */ |
| unsigned int out_buf_size; |
| |
| unsigned char *bsp_out_buf; /* ffv library bsp output buffer */ |
| unsigned int bsp_out_buf_size; |
| |
| pthread_mutex_t callback_thread_lock; |
| pthread_mutex_t capture_thread_lock; |
| |
| bool buffers_allocated; |
| bool lab_buffers_allocated; |
| size_t read_buf_len; |
| |
| /* Buffers used for LAB*/ |
| unsigned char *lab_cap_buf; /* small buffer to hold one chunk received from library */ |
| unsigned int lab_cap_buf_size; |
| unsigned char *lab_out_buf; /* larger buffer that stores samples pulled from library |
| this buffer should hold enough samples to handle the |
| delay from generating the recognition event until |
| upper layers start pulling data */ |
| unsigned int lab_out_buf_size; |
| unsigned int lab_out_buf_unread_bytes; |
| unsigned char *lab_out_buf_start_ptr; |
| unsigned char *lab_out_buf_end_ptr; |
| unsigned char *lab_out_buf_wr_ptr; |
| unsigned char *lab_out_buf_rd_ptr; |
| pthread_cond_t lab_out_buf_cond; |
| pthread_mutex_t lab_out_buf_lock; |
| |
| bool exit_lab_processing; |
| |
| struct listnode ev_list; |
| pthread_cond_t ev_cond; |
| |
| pthread_t st_ffv_process_thread; |
| pthread_mutex_t st_ffv_process_lock; |
| bool exit_st_ffv_process_thread; |
| bool st_ffv_process_thread_started; |
| pthread_cond_t st_ffv_process_cond; |
| pthread_cond_t st_ffv_capture_cond; |
| void *process_buf_data; |
| struct process_buf_queue *process_buf_free; |
| struct process_buf_queue *process_buf; |
| struct process_buf_queue process_buf_nodes[NUM_PROCESS_BUFS]; |
| |
| char *ec_ref_dev_name; |
| bool session_restart_done; |
| bool capture_thread_started; |
| }; |
| |
| typedef struct st_hw_session_pcm st_hw_session_pcm_t; |
| |
| #ifdef ST_ARM_ENABLED |
| int st_hw_sess_pcm_init(st_hw_session_t *const p_ses, |
| hw_ses_event_callback_t cb, void *cookie, st_exec_mode_t exec_mode, |
| struct st_vendor_info *v_info, sound_model_handle_t sm_handle, |
| struct sound_trigger_device *stdev); |
| void st_hw_sess_pcm_deinit(st_hw_session_t *const p_ses); |
| int st_hw_pcm_init(void); |
| void st_hw_pcm_deinit(void); |
| #else |
| #define st_hw_sess_pcm_init(p_ses, cb, cookie, exec_mode, v_info, \ |
| sm_handle, stdev) (0) |
| #define st_hw_sess_pcm_deinit(p_ses) (0) |
| #define st_hw_pcm_init() (0) |
| #define st_hw_pcm_deinit() (0) |
| #endif |