ACDB IDs parser

acdb_get.c

#include <stdlib.h>
#include <dlfcn.h>

typedef int snd_device_t;

enum {
    SND_DEVICE_NONE = 0,
    SND_DEVICE_MIN,
    SND_DEVICE_OUT_BEGIN = SND_DEVICE_MIN,
    SND_DEVICE_OUT_HANDSET = SND_DEVICE_OUT_BEGIN,
    SND_DEVICE_OUT_SPEAKER,
    SND_DEVICE_OUT_SPEAKER_REVERSE,
    SND_DEVICE_OUT_HEADPHONES,
    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
    SND_DEVICE_OUT_VOICE_HANDSET,
    SND_DEVICE_OUT_VOICE_SPEAKER,
    SND_DEVICE_OUT_VOICE_HEADPHONES,
    SND_DEVICE_OUT_HDMI,
    SND_DEVICE_OUT_SPEAKER_AND_HDMI,
    SND_DEVICE_OUT_BT_SCO,
    SND_DEVICE_OUT_BT_SCO_WB,
    SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
    SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
    SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
    SND_DEVICE_OUT_AFE_PROXY,
    SND_DEVICE_OUT_USB_HEADSET,
    SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET,
    SND_DEVICE_OUT_TRANSMISSION_FM,
    SND_DEVICE_OUT_ANC_HEADSET,
    SND_DEVICE_OUT_ANC_FB_HEADSET,
    SND_DEVICE_OUT_VOICE_ANC_HEADSET,
    SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET,
    SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET,
    SND_DEVICE_OUT_ANC_HANDSET,
    SND_DEVICE_OUT_SPEAKER_PROTECTED,
    SND_DEVICE_IN_HANDSET_MIC,
    SND_DEVICE_IN_HANDSET_MIC_AEC,
    SND_DEVICE_IN_HANDSET_MIC_NS,
    SND_DEVICE_IN_HANDSET_MIC_AEC_NS,
    SND_DEVICE_IN_HANDSET_DMIC,
    SND_DEVICE_IN_HANDSET_DMIC_AEC,
    SND_DEVICE_IN_HANDSET_DMIC_NS,
    SND_DEVICE_IN_HANDSET_DMIC_AEC_NS,
    SND_DEVICE_IN_SPEAKER_MIC,
    SND_DEVICE_IN_SPEAKER_MIC_AEC,
    SND_DEVICE_IN_SPEAKER_MIC_NS,
    SND_DEVICE_IN_SPEAKER_MIC_AEC_NS,
    SND_DEVICE_IN_SPEAKER_DMIC,
    SND_DEVICE_IN_SPEAKER_DMIC_AEC,
    SND_DEVICE_IN_SPEAKER_DMIC_NS,
    SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS,
    SND_DEVICE_IN_HEADSET_MIC,
    SND_DEVICE_IN_HEADSET_MIC_FLUENCE,
    SND_DEVICE_IN_VOICE_SPEAKER_MIC,
    SND_DEVICE_IN_VOICE_HEADSET_MIC,
    SND_DEVICE_IN_HDMI_MIC,
    SND_DEVICE_IN_BT_SCO_MIC,
    SND_DEVICE_IN_BT_SCO_MIC_NREC,
    SND_DEVICE_IN_BT_SCO_MIC_WB,
    SND_DEVICE_IN_BT_SCO_MIC_WB_NREC,
    SND_DEVICE_IN_CAMCORDER_MIC,
    SND_DEVICE_IN_VOICE_DMIC,
    SND_DEVICE_IN_VOICE_SPEAKER_DMIC,
    SND_DEVICE_IN_VOICE_SPEAKER_QMIC,
    SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC,
    SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC,
    SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC,
    SND_DEVICE_IN_VOICE_REC_MIC,
    SND_DEVICE_IN_VOICE_REC_MIC_NS,
    SND_DEVICE_IN_VOICE_REC_DMIC_STEREO,
    SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE,
    SND_DEVICE_IN_USB_HEADSET_MIC,
    SND_DEVICE_IN_CAPTURE_FM,
    SND_DEVICE_IN_AANC_HANDSET_MIC,
    SND_DEVICE_IN_QUAD_MIC,
    SND_DEVICE_IN_HANDSET_STEREO_DMIC,
    SND_DEVICE_IN_SPEAKER_STEREO_DMIC,
    SND_DEVICE_IN_CAPTURE_VI_FEEDBACK,
    SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE,
    SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE,
    SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE,
    SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE,
    SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE,
    SND_DEVICE_MAX,
};

static char * device_table[SND_DEVICE_MAX] = {
    [SND_DEVICE_NONE] = "none",
    [SND_DEVICE_OUT_HANDSET] = "handset",
    [SND_DEVICE_OUT_SPEAKER] = "speaker",
    [SND_DEVICE_OUT_SPEAKER_WSA] = "wsa-speaker",
    [SND_DEVICE_OUT_SPEAKER_REVERSE] = "speaker-reverse",
    [SND_DEVICE_OUT_HEADPHONES] = "headphones",
    [SND_DEVICE_OUT_LINE] = "line",
    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
    [SND_DEVICE_OUT_SPEAKER_AND_LINE] = "speaker-and-line",
    [SND_DEVICE_OUT_VOICE_HANDSET] = "voice-handset",
    [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
    [SND_DEVICE_OUT_VOICE_SPEAKER_WSA] = "wsa-voice-speaker",
    [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
    [SND_DEVICE_OUT_VOICE_LINE] = "voice-line",
    [SND_DEVICE_OUT_HDMI] = "hdmi",
    [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi",
    [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset",
    [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb",
    [SND_DEVICE_OUT_BT_A2DP] = "bt-a2dp",
    [SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP] = "speaker-and-bt-a2dp",
    [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
    [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
    [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
    [SND_DEVICE_OUT_AFE_PROXY] = "afe-proxy",
    [SND_DEVICE_OUT_USB_HEADSET] = "usb-headphones",
    [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = "speaker-and-usb-headphones",
    [SND_DEVICE_OUT_TRANSMISSION_FM] = "transmission-fm",
    [SND_DEVICE_OUT_ANC_HEADSET] = "anc-headphones",
    [SND_DEVICE_OUT_ANC_FB_HEADSET] = "anc-fb-headphones",
    [SND_DEVICE_OUT_VOICE_ANC_HEADSET] = "voice-anc-headphones",
    [SND_DEVICE_OUT_VOICE_ANC_FB_HEADSET] = "voice-anc-fb-headphones",
    [SND_DEVICE_OUT_SPEAKER_AND_ANC_HEADSET] = "speaker-and-anc-headphones",
    [SND_DEVICE_OUT_ANC_HANDSET] = "anc-handset",
    [SND_DEVICE_OUT_SPEAKER_PROTECTED] = "speaker-protected",
#ifdef RECORD_PLAY_CONCURRENCY
    [SND_DEVICE_OUT_VOIP_HANDSET] = "voip-handset",
    [SND_DEVICE_OUT_VOIP_SPEAKER] = "voip-speaker",
    [SND_DEVICE_OUT_VOIP_HEADPHONES] = "voip-headphones",
#endif
    [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_MIC_AEC] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_MIC_NS] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = "handset-mic",
    [SND_DEVICE_IN_HANDSET_DMIC] = "dmic-endfire",
    [SND_DEVICE_IN_HANDSET_DMIC_AEC] = "dmic-endfire",
    [SND_DEVICE_IN_HANDSET_DMIC_NS] = "dmic-endfire",
    [SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = "dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_MIC_AEC] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_MIC_NS] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = "speaker-mic",
    [SND_DEVICE_IN_SPEAKER_DMIC] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_DMIC_NS] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = "speaker-dmic-endfire",
    [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic",
    [SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = "headset-mic",
    [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
    [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
    [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic",
    [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic",
    [SND_DEVICE_IN_BT_SCO_MIC_NREC] = "bt-sco-mic",
    [SND_DEVICE_IN_BT_SCO_MIC_WB] = "bt-sco-mic-wb",
    [SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = "bt-sco-mic-wb",
    [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic",
    [SND_DEVICE_IN_VOICE_DMIC] = "voice-dmic-ef",
    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = "voice-speaker-dmic-ef",
    [SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = "voice-speaker-qmic",
    [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
    [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
    [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic",
    [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic",
    [SND_DEVICE_IN_VOICE_REC_MIC_NS] = "voice-rec-mic",
    [SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = "voice-rec-dmic-ef",
    [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = "voice-rec-dmic-ef-fluence",
    [SND_DEVICE_IN_USB_HEADSET_MIC] = "usb-headset-mic",
    [SND_DEVICE_IN_CAPTURE_FM] = "capture-fm",
    [SND_DEVICE_IN_AANC_HANDSET_MIC] = "aanc-handset-mic",
    [SND_DEVICE_IN_QUAD_MIC] = "quad-mic",
    [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = "handset-stereo-dmic-ef",
    [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = "speaker-stereo-dmic-ef",
    [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = "vi-feedback",
    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = "voice-speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = "speaker-dmic-broadside",
    [SND_DEVICE_IN_VOICE_FLUENCE_DMIC_AANC] = "aanc-fluence-dmic-handset",
    [SND_DEVICE_IN_HANDSET_QMIC] = "quad-mic",
    [SND_DEVICE_IN_SPEAKER_QMIC_AEC] = "quad-mic",
    [SND_DEVICE_IN_SPEAKER_QMIC_NS] = "quad-mic",
    [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = "quad-mic",
};

int main() {
    void *handle;
    const char *error;
    snd_device_t (*snd_device)(snd_device_t);

    handle = dlopen("/sdcard/audio.primary.msm8916.so", RTLD_LAZY);
    if (!handle) {
        fprintf(stderr, "%s\n", dlerror());
        exit(EXIT_FAILURE);
    }

    dlerror(); /* Clear any existing error */

    snd_device = (snd_device_t (*)(snd_device_t)) dlsym(handle, "platform_get_snd_device_acdb_id");

    error = dlerror();
    if (error != NULL)  {
        fprintf(stderr, "%s\n", error);
        exit(EXIT_FAILURE);
    }

    int dev;
    for (dev = 0; dev < SND_DEVICE_MAX; dev++)
        printf("%s: %i\n", device_table[dev], (*snd_device)(dev));

    dlclose(handle);
    exit(EXIT_SUCCESS);
}

Android.mk

#
# Copyright (C) 2016 The CyanogenMod Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_SRC_FILES := acdb_get.c

LOCAL_MODULE_TAGS := optional
LOCAL_MODULE := acdb_get
LOCAL_MODULE_CLASS := EXECUTABLES

ifneq ($(TARGET_SUPPORTS_WEARABLES),true)
ifeq ($(strip $(AUDIO_FEATURE_ENABLED_RECORD_PLAY_CONCURRENCY)),true)
    LOCAL_CFLAGS += -DRECORD_PLAY_CONCURRENCY
endif
endif

include $(BUILD_EXECUTABLE)