From 35dbc1e39fa7d355edbebe0071145aac45cc1075 Mon Sep 17 00:00:00 2001 From: stenkinevgeniy Date: Mon, 7 May 2018 18:00:13 +0000 Subject: [PATCH] Audio: remove unsupported hotword/soundtrigger stuff. Change-Id: Ie21f94e80a18f5a5805a3ee00e12e83fa2fc3f1a --- audio/audio_hw.c | 143 +++++++---------------------------------------- audio/audio_hw.h | 15 +---- 2 files changed, 20 insertions(+), 138 deletions(-) diff --git a/audio/audio_hw.c b/audio/audio_hw.c index 5ae48b7..01bec82 100644 --- a/audio/audio_hw.c +++ b/audio/audio_hw.c @@ -2,6 +2,7 @@ * Copyright (C) 2013 The Android Open Source Project * Copyright (C) 2017 Christopher N. Hesse * Copyright (C) 2017 Andreas Schneider + * Copyright (C) 2018 The LineageOS Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -186,26 +187,6 @@ static struct pcm_device_profile pcm_device_capture_sco = { .devices = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, }; -#ifdef SOUND_CAPTURE_HOTWORD_DEVICE -static struct pcm_device_profile pcm_device_hotword_streaming = { - .config = { - .channels = 1, - .rate = 16000, - .period_size = CAPTURE_PERIOD_SIZE, - .period_count = CAPTURE_PERIOD_COUNT, - .format = PCM_FORMAT_S16_LE, - .start_threshold = CAPTURE_START_THRESHOLD, - .stop_threshold = 0, - .silence_threshold = 0, - .avail_min = 0, - }, - .card = SOUND_CARD, - .id = SOUND_CAPTURE_HOTWORD_DEVICE, - .type = PCM_HOTWORD_STREAMING, - .devices = AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_WIRED_HEADSET|AUDIO_DEVICE_IN_BACK_MIC -}; -#endif - static struct pcm_device_profile * const pcm_devices[] = { &pcm_device_playback, &pcm_device_capture, @@ -214,9 +195,6 @@ static struct pcm_device_profile * const pcm_devices[] = { &pcm_device_capture_sco, #ifdef SOUND_CAPTURE_LOOPBACK_AEC_DEVICE &pcm_device_capture_loopback_aec, -#endif -#ifdef SOUND_CAPTURE_HOTWORD_DEVICE - &pcm_device_hotword_streaming, #endif NULL, }; @@ -227,7 +205,6 @@ static const char * const use_case_table[AUDIO_USECASE_MAX] = { [USECASE_AUDIO_PLAYBACK_OFFLOAD] = "compress-offload-playback", [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = "playback deep-buffer", [USECASE_AUDIO_CAPTURE] = "capture", - [USECASE_AUDIO_CAPTURE_HOTWORD] = "capture-hotword", [USECASE_VOICE_CALL] = "voice-call", }; @@ -1035,9 +1012,6 @@ static int select_devices(struct audio_device *adev, ALOGV("%s: usecase(%d)", __func__, uc_id); - if (uc_id == USECASE_AUDIO_CAPTURE_HOTWORD) - return 0; - usecase = get_usecase_from_type(adev, PCM_CAPTURE|VOICE_CALL); if (usecase != NULL) { active_input = (struct stream_in *)usecase->stream; @@ -2292,32 +2266,15 @@ static int start_input_stream(struct stream_in *in) pcm_device->pcm_profile->config.channels,pcm_device->pcm_profile->config.rate, pcm_device->pcm_profile->config.format, pcm_device->pcm_profile->config.period_size); - if (pcm_profile->type == PCM_HOTWORD_STREAMING) { - if (!adev->sound_trigger_open_for_streaming) { - ALOGE("%s: No handle to sound trigger HAL", __func__); - ret = -EIO; - goto error_open; - } - pcm_device->pcm = NULL; - pcm_device->sound_trigger_handle = adev->sound_trigger_open_for_streaming(); - if (pcm_device->sound_trigger_handle <= 0) { - ALOGE("%s: Failed to open DSP for streaming", __func__); - ret = -EIO; - goto error_open; - } - ALOGV("Opened DSP successfully"); - } else { - pcm_device->sound_trigger_handle = 0; - pcm_device->pcm = pcm_open(pcm_device->pcm_profile->card, pcm_device->pcm_profile->id, + pcm_device->pcm = pcm_open(pcm_device->pcm_profile->card, pcm_device->pcm_profile->id, PCM_IN | PCM_MONOTONIC, &pcm_device->pcm_profile->config); - if (pcm_device->pcm && !pcm_is_ready(pcm_device->pcm)) { - ALOGE("%s: %s", __func__, pcm_get_error(pcm_device->pcm)); - pcm_close(pcm_device->pcm); - pcm_device->pcm = NULL; - ret = -EIO; - goto error_open; - } + if (pcm_device->pcm && !pcm_is_ready(pcm_device->pcm)) { + ALOGE("%s: %s", __func__, pcm_get_error(pcm_device->pcm)); + pcm_close(pcm_device->pcm); + pcm_device->pcm = NULL; + ret = -EIO; + goto error_open; } skip_pcm_handling: @@ -2414,14 +2371,9 @@ static int out_close_pcm_devices(struct stream_out *out) { struct pcm_device *pcm_device; struct listnode *node; - struct audio_device *adev = out->dev; list_for_each(node, &out->pcm_dev_list) { pcm_device = node_to_item(node, struct pcm_device, stream_list_node); - if (pcm_device->sound_trigger_handle > 0) { - adev->sound_trigger_close_for_streaming(pcm_device->sound_trigger_handle); - pcm_device->sound_trigger_handle = 0; - } if (pcm_device->pcm) { pcm_close(pcm_device->pcm); pcm_device->pcm = NULL; @@ -3453,7 +3405,6 @@ static int in_close_pcm_devices(struct stream_in *in) { struct pcm_device *pcm_device; struct listnode *node; - struct audio_device *adev = in->dev; list_for_each(node, &in->pcm_dev_list) { pcm_device = node_to_item(node, struct pcm_device, stream_list_node); @@ -3461,9 +3412,6 @@ static int in_close_pcm_devices(struct stream_in *in) if (pcm_device->pcm) pcm_close(pcm_device->pcm); pcm_device->pcm = NULL; - if (pcm_device->sound_trigger_handle > 0) - adev->sound_trigger_close_for_streaming(pcm_device->sound_trigger_handle); - pcm_device->sound_trigger_handle = 0; } } return 0; @@ -3637,21 +3585,6 @@ static int in_set_gain(struct audio_stream_in *stream, float gain) return 0; } -static ssize_t read_bytes_from_dsp(struct stream_in *in, void* buffer, - size_t bytes) -{ - struct pcm_device *pcm_device; - struct audio_device *adev = in->dev; - - pcm_device = node_to_item(list_head(&in->pcm_dev_list), - struct pcm_device, stream_list_node); - - if (pcm_device->sound_trigger_handle > 0) - return adev->sound_trigger_read_samples(pcm_device->sound_trigger_handle, buffer, bytes); - else - return 0; -} - static ssize_t in_read(struct audio_stream_in *stream, void *buffer, size_t bytes) { @@ -3703,21 +3636,15 @@ static ssize_t in_read(struct audio_stream_in *stream, void *buffer, false_alarm: if (!list_empty(&in->pcm_dev_list)) { - if (in->usecase == USECASE_AUDIO_CAPTURE_HOTWORD) { - bytes = read_bytes_from_dsp(in, buffer, bytes); - if (bytes > 0) - read_and_process_successful = true; - } else { - /* - * Read PCM and: - * - resample if needed - * - process if pre-processors are attached - * - discard unwanted channels - */ - frames = read_and_process_frames(in, buffer, frames_rq); - if (frames >= 0) - read_and_process_successful = true; - } + /* + * Read PCM and: + * - resample if needed + * - process if pre-processors are attached + * - discard unwanted channels + */ + frames = read_and_process_frames(in, buffer, frames_rq); + if (frames >= 0) + read_and_process_successful = true; } /* @@ -4336,8 +4263,7 @@ static int adev_open_input_stream(struct audio_hw_device *dev, audio_channel_count_from_in_mask(config->channel_mask)) != 0) return -EINVAL; - usecase_type_t usecase_type = source == AUDIO_SOURCE_HOTWORD ? - PCM_HOTWORD_STREAMING : flags & AUDIO_INPUT_FLAG_FAST ? + usecase_type_t usecase_type = flags & AUDIO_INPUT_FLAG_FAST ? PCM_CAPTURE_LOW_LATENCY : PCM_CAPTURE; pcm_profile = get_pcm_device(usecase_type, devices); if (pcm_profile == NULL && usecase_type == PCM_CAPTURE_LOW_LATENCY) { @@ -4388,11 +4314,7 @@ static int adev_open_input_stream(struct audio_hw_device *dev, in->config = pcm_profile->config; /* Update config params with the requested sample rate and channels */ - if (source == AUDIO_SOURCE_HOTWORD) { - in->usecase = USECASE_AUDIO_CAPTURE_HOTWORD; - } else { - in->usecase = USECASE_AUDIO_CAPTURE; - } + in->usecase = USECASE_AUDIO_CAPTURE; in->usecase_type = usecase_type; pthread_mutex_init(&in->lock, (const pthread_mutexattr_t *) NULL); @@ -4582,33 +4504,6 @@ static int adev_open(const hw_module_t *module, const char *name, } } - if (access(SOUND_TRIGGER_HAL_LIBRARY_PATH, R_OK) == 0) { - adev->sound_trigger_lib = dlopen(SOUND_TRIGGER_HAL_LIBRARY_PATH, RTLD_NOW); - if (adev->sound_trigger_lib == NULL) { - ALOGE("%s: DLOPEN failed for %s", __func__, SOUND_TRIGGER_HAL_LIBRARY_PATH); - } else { - ALOGV("%s: DLOPEN successful for %s", __func__, SOUND_TRIGGER_HAL_LIBRARY_PATH); - adev->sound_trigger_open_for_streaming = - (int (*)(void))dlsym(adev->sound_trigger_lib, - "sound_trigger_open_for_streaming"); - adev->sound_trigger_read_samples = - (size_t (*)(int, void *, size_t))dlsym(adev->sound_trigger_lib, - "sound_trigger_read_samples"); - adev->sound_trigger_close_for_streaming = - (int (*)(int))dlsym(adev->sound_trigger_lib, - "sound_trigger_close_for_streaming"); - if (!adev->sound_trigger_open_for_streaming || - !adev->sound_trigger_read_samples || - !adev->sound_trigger_close_for_streaming) { - - ALOGE("%s: Error grabbing functions in %s", __func__, SOUND_TRIGGER_HAL_LIBRARY_PATH); - adev->sound_trigger_open_for_streaming = 0; - adev->sound_trigger_read_samples = 0; - adev->sound_trigger_close_for_streaming = 0; - } - } - } - adev->voice.session = voice_session_init(adev); if (adev->voice.session == NULL) { ALOGE("%s: Failed to initialize voice session data", __func__); diff --git a/audio/audio_hw.h b/audio/audio_hw.h index fd1228a..1c74d65 100644 --- a/audio/audio_hw.h +++ b/audio/audio_hw.h @@ -1,6 +1,7 @@ /* * Copyright (C) 2013 The Android Open Source Project * Copyright (C) 2017 Christopher N. Hesse + * Copyright (C) 2018 The LineageOS Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -48,12 +49,6 @@ struct effect_info_s { }; #endif -#ifdef __LP64__ -#define SOUND_TRIGGER_HAL_LIBRARY_PATH "/system/lib64/hw/sound_trigger.primary.flounder.so" -#else -#define SOUND_TRIGGER_HAL_LIBRARY_PATH "/system/lib/hw/sound_trigger.primary.flounder.so" -#endif - /* Sound devices specific to the platform * The DEVICE_OUT_* and DEVICE_IN_* should be mapped to these sound * devices to enable corresponding mixer paths @@ -190,7 +185,6 @@ typedef enum { /* Capture usecases */ USECASE_AUDIO_CAPTURE, - USECASE_AUDIO_CAPTURE_HOTWORD, USECASE_VOICE_CALL, AUDIO_USECASE_MAX @@ -225,7 +219,6 @@ typedef enum { PCM_PLAYBACK = 0x1, PCM_CAPTURE = 0x2, VOICE_CALL = 0x4, - PCM_HOTWORD_STREAMING = 0x8, PCM_CAPTURE_LOW_LATENCY = 0x10, } usecase_type_t; @@ -252,7 +245,6 @@ struct pcm_device { struct resampler_itfe* resampler; int16_t* res_buffer; size_t res_byte_count; - int sound_trigger_handle; }; struct stream_out { @@ -423,11 +415,6 @@ struct audio_device { volatile int32_t echo_reference_generation; #endif - void* sound_trigger_lib; - int (*sound_trigger_open_for_streaming)(); - size_t (*sound_trigger_read_samples)(int, void*, size_t); - int (*sound_trigger_close_for_streaming)(int); - pthread_mutex_t lock_inputs; /* see note below on mutex acquisition order */ amplifier_device_t *amp; }; -- 2.20.1