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- # Global configuration section:
- # - lists input and output devices always present on the device
- # as well as the output device selected by default.
- # Devices are designated by a string that corresponds to the enum in audio.h
- # - defines whether the speaker output path uses DRC
- # "TRUE" means DRC is enabled, "FALSE" or omission means DRC isn't used.
- global_configuration {
- attached_output_devices AUDIO_DEVICE_OUT_EARPIECE|AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_TELEPHONY_TX
- default_output_device AUDIO_DEVICE_OUT_SPEAKER
- attached_input_devices AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_BACK_MIC|AUDIO_DEVICE_IN_REMOTE_SUBMIX|AUDIO_DEVICE_IN_FM_TUNER|AUDIO_DEVICE_IN_TELEPHONY_RX
- }
- # audio hardware module section: contains descriptors for all audio hw modules present on the
- # device. Each hw module node is named after the corresponding hw module library base name.
- # For instance, "primary" corresponds to audio.primary.<device>.so.
- # The "primary" module is mandatory and must include at least one output with
- # AUDIO_OUTPUT_FLAG_PRIMARY flag.
- # Each module descriptor contains one or more output profile descriptors and zero or more
- # input profile descriptors. Each profile lists all the parameters supported by a given output
- # or input stream category.
- # The "channel_masks", "formats", "devices" and "flags" are specified using strings corresponding
- # to enums in audio.h and audio_policy.h. They are concatenated by use of "|" without space or "\n".
- audio_hw_modules {
- primary {
- outputs {
- primary {
- sampling_rates 44100|48000
- channel_masks AUDIO_CHANNEL_OUT_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_OUT_EARPIECE|AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|AUDIO_DEVICE_OUT_ALL_SCO|AUDIO_DEVICE_OUT_LINE|AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET|AUDIO_DEVICE_OUT_FM
- flags AUDIO_OUTPUT_FLAG_FAST|AUDIO_OUTPUT_FLAG_PRIMARY
- }
- deep_buffer {
- sampling_rates 8000|11025|12000|16000|22050|24000|32000|44100|48000
- channel_masks AUDIO_CHANNEL_OUT_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_OUT_EARPIECE|AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|AUDIO_DEVICE_OUT_ALL_SCO|AUDIO_DEVICE_OUT_LINE|AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET
- flags AUDIO_OUTPUT_FLAG_DEEP_BUFFER
- }
- compress_offload {
- sampling_rates 8000|11025|12000|16000|22050|24000|32000|44100|48000|88200|96000|176400|192000
- channel_masks AUDIO_CHANNEL_OUT_MONO|AUDIO_CHANNEL_OUT_STEREO
- formats AUDIO_FORMAT_MP3|AUDIO_FORMAT_AAC_LC|AUDIO_FORMAT_AAC_HE_V1|AUDIO_FORMAT_AAC_HE_V2|AUDIO_FORMAT_FLAC
- devices AUDIO_DEVICE_OUT_EARPIECE|AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|AUDIO_DEVICE_OUT_ALL_SCO|AUDIO_DEVICE_OUT_LINE
- flags AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD|AUDIO_OUTPUT_FLAG_NON_BLOCKING
- }
- voice_tx {
- sampling_rates 8000|16000|48000
- channel_masks AUDIO_CHANNEL_OUT_STEREO|AUDIO_CHANNEL_OUT_MONO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_OUT_TELEPHONY_TX
- }
- }
- inputs {
- primary {
- sampling_rates 8000|11025|12000|16000|22050|24000|32000|44100|48000
- channel_masks AUDIO_CHANNEL_IN_MONO|AUDIO_CHANNEL_IN_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_WIRED_HEADSET|AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET|AUDIO_DEVICE_IN_BACK_MIC|AUDIO_DEVICE_IN_FM_TUNER
- }
- voice_rx {
- sampling_rates 8000|16000|48000
- channel_masks AUDIO_CHANNEL_IN_STEREO|AUDIO_CHANNEL_IN_MONO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_IN_TELEPHONY_RX
- }
- }
- }
- a2dp {
- outputs {
- a2dp {
- sampling_rates 44100
- channel_masks AUDIO_CHANNEL_OUT_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_OUT_ALL_A2DP
- }
- }
- }
- usb {
- outputs {
- usb_accessory {
- sampling_rates 44100
- channel_masks AUDIO_CHANNEL_OUT_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_OUT_USB_ACCESSORY
- }
- usb_device {
- sampling_rates dynamic
- channel_masks dynamic
- formats dynamic
- devices AUDIO_DEVICE_OUT_USB_DEVICE
- }
- }
- inputs {
- usb_device {
- sampling_rates dynamic
- channel_masks AUDIO_CHANNEL_IN_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_IN_USB_DEVICE
- }
- }
- }
- r_submix {
- outputs {
- submix {
- sampling_rates 48000
- channel_masks AUDIO_CHANNEL_OUT_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_OUT_REMOTE_SUBMIX
- }
- }
- inputs {
- submix {
- sampling_rates 48000
- channel_masks AUDIO_CHANNEL_IN_STEREO
- formats AUDIO_FORMAT_PCM_16_BIT
- devices AUDIO_DEVICE_IN_REMOTE_SUBMIX
- }
- }
- }
- }
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