* changes: audiopolicy: Remove legacy audio_policy configuration Remove usages of USE_XML_AUDIO_POLICY_CONFgugelfrei
Treehugger Robot
5 years ago
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#
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# Template audio policy configuration file
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#
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# Global configuration section:
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# - before audio HAL version 3.0:
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# lists input and output devices always present on the device
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# as well as the output device selected by default.
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# Devices are designated by a string that corresponds to the enum in audio.h
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#
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# global_configuration {
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# attached_output_devices AUDIO_DEVICE_OUT_SPEAKER
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# default_output_device AUDIO_DEVICE_OUT_SPEAKER
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# attached_input_devices AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_REMOTE_SUBMIX
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# }
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#
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# - after and including audio HAL 3.0 the global_configuration section is included in each
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# hardware module section.
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# it also includes the audio HAL version of this hw module:
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# global_configuration {
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# ...
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# audio_hal_version <major.minor> # audio HAL version in e.g. 3.0
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# }
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# other attributes (attached devices, default device) have to be included in the
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# global_configuration section of each hardware module
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# audio hardware module section: contains descriptors for all audio hw modules present on the
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# device. Each hw module node is named after the corresponding hw module library base name.
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# For instance, "primary" corresponds to audio.primary.<device>.so.
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# The "primary" module is mandatory and must include at least one output with
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# AUDIO_OUTPUT_FLAG_PRIMARY flag.
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# Each module descriptor contains one or more output profile descriptors and zero or more
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# input profile descriptors. Each profile lists all the parameters supported by a given output
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# or input stream category.
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# The "channel_masks", "formats", "devices" and "flags" are specified using strings corresponding
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# to enums in audio.h and audio_policy.h. They are concatenated by use of "|" without space or "\n".
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#
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# For audio HAL version posterior to 3.0 the following sections or sub sections can be present in
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# a hw module section:
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# - A "global_configuration" section: see above
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# - Optionally a "devices" section:
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# This section contains descriptors for audio devices with attributes like an address or a
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# gain controller. The syntax for the devices section and device descriptor is as follows:
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# devices {
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# <device name> { # <device name>: any string without space
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# type <device type> # <device type> e.g. AUDIO_DEVICE_OUT_SPEAKER
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# address <address> # optional: device address, char string less than 64 in length
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# }
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# }
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# - one or more "gains" sections can be present in a device descriptor section.
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# If present, they describe the capabilities of gain controllers attached to this input or
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# output device. e.g. :
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# <device name> { # <device name>: any string without space
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# type <device type> # <device type> e.g. AUDIO_DEVICE_OUT_SPEAKER
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# address <address> # optional: device address, char string less than 64 in length
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# gains {
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# <gain name> {
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# mode <gain modes supported> # e.g. AUDIO_GAIN_MODE_CHANNELS
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# channel_mask <controlled channels> # needed if mode AUDIO_GAIN_MODE_CHANNELS
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# min_value_mB <min value in millibel>
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# max_value_mB <max value in millibel>
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# default_value_mB <default value in millibel>
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# step_value_mB <step value in millibel>
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# min_ramp_ms <min duration in ms> # needed if mode AUDIO_GAIN_MODE_RAMP
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# max_ramp_ms <max duration ms> # needed if mode AUDIO_GAIN_MODE_RAMP
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# }
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# }
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# }
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# - when a device descriptor is present, output and input profiles can refer to this device by
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# its name in their "devices" section instead of specifying a device type. e.g. :
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# outputs {
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# primary {
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# sampling_rates 44100
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# channel_masks AUDIO_CHANNEL_OUT_STEREO
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# formats AUDIO_FORMAT_PCM_16_BIT
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# devices <device name>
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# flags AUDIO_OUTPUT_FLAG_PRIMARY
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# }
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# }
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# sample audio_policy.conf file below
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audio_hw_modules {
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primary {
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global_configuration {
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attached_output_devices AUDIO_DEVICE_OUT_SPEAKER
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default_output_device AUDIO_DEVICE_OUT_SPEAKER
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attached_input_devices AUDIO_DEVICE_IN_BUILTIN_MIC
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audio_hal_version 3.0
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}
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devices {
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speaker {
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type AUDIO_DEVICE_OUT_SPEAKER
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gains {
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gain_1 {
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mode AUDIO_GAIN_MODE_JOINT
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min_value_mB -8400
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max_value_mB 4000
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default_value_mB 0
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step_value_mB 100
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}
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}
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}
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}
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outputs {
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primary {
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sampling_rates 48000
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channel_masks AUDIO_CHANNEL_OUT_STEREO
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formats AUDIO_FORMAT_PCM_16_BIT
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devices speaker
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flags AUDIO_OUTPUT_FLAG_PRIMARY
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}
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}
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inputs {
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primary {
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sampling_rates 8000|16000
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channel_masks AUDIO_CHANNEL_IN_MONO
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formats AUDIO_FORMAT_PCM_16_BIT
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devices AUDIO_DEVICE_IN_BUILTIN_MIC
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}
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}
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}
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r_submix {
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global_configuration {
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attached_input_devices AUDIO_DEVICE_IN_REMOTE_SUBMIX
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audio_hal_version 2.0
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}
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outputs {
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submix {
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sampling_rates 48000
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channel_masks AUDIO_CHANNEL_OUT_STEREO
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formats AUDIO_FORMAT_PCM_16_BIT
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devices AUDIO_DEVICE_OUT_REMOTE_SUBMIX
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}
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}
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inputs {
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submix {
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sampling_rates 48000
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channel_masks AUDIO_CHANNEL_IN_STEREO
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formats AUDIO_FORMAT_PCM_16_BIT
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devices AUDIO_DEVICE_IN_REMOTE_SUBMIX
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}
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}
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}
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}
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@ -1,71 +0,0 @@
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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/////////////////////////////////////////////////
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// Definitions for audio policy configuration file (audio_policy.conf)
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/////////////////////////////////////////////////
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#define AUDIO_HARDWARE_MODULE_ID_MAX_LEN 32
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#define AUDIO_POLICY_CONFIG_FILE "/system/etc/audio_policy.conf"
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#define AUDIO_POLICY_VENDOR_CONFIG_FILE "/vendor/etc/audio_policy.conf"
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// global configuration
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#define GLOBAL_CONFIG_TAG "global_configuration"
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#define ATTACHED_OUTPUT_DEVICES_TAG "attached_output_devices"
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#define DEFAULT_OUTPUT_DEVICE_TAG "default_output_device"
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#define ATTACHED_INPUT_DEVICES_TAG "attached_input_devices"
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#define SPEAKER_DRC_ENABLED_TAG "speaker_drc_enabled"
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#define AUDIO_HAL_VERSION_TAG "audio_hal_version"
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// hw modules descriptions
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#define AUDIO_HW_MODULE_TAG "audio_hw_modules"
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#define OUTPUTS_TAG "outputs"
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#define INPUTS_TAG "inputs"
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#define SAMPLING_RATES_TAG "sampling_rates"
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#define FORMATS_TAG "formats"
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#define CHANNELS_TAG "channel_masks"
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#define DEVICES_TAG "devices"
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#define FLAGS_TAG "flags"
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#define APM_DEVICES_TAG "devices"
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#define APM_DEVICE_TYPE "type"
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#define APM_DEVICE_ADDRESS "address"
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#define MIXERS_TAG "mixers"
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#define MIXER_TYPE "type"
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#define MIXER_TYPE_MUX "mux"
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#define MIXER_TYPE_MIX "mix"
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#define GAINS_TAG "gains"
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#define GAIN_MODE "mode"
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#define GAIN_CHANNELS "channel_mask"
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#define GAIN_MIN_VALUE "min_value_mB"
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#define GAIN_MAX_VALUE "max_value_mB"
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#define GAIN_DEFAULT_VALUE "default_value_mB"
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#define GAIN_STEP_VALUE "step_value_mB"
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#define GAIN_MIN_RAMP_MS "min_ramp_ms"
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#define GAIN_MAX_RAMP_MS "max_ramp_ms"
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#define DYNAMIC_VALUE_TAG "dynamic" // special value for "channel_masks", "sampling_rates" and
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// "formats" in outputs descriptors indicating that supported
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// values should be queried after opening the output.
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