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      1 #
      2 # Audio policy configuration for nvidia device builds
      3 #
      4 
      5 # Global configuration section: lists input and output devices always present on the device
      6 # as well as the output device selected by default.
      7 # Devices are designated by a string that corresponds to the enum in audio.h
      8 
      9 global_configuration {
     10   attached_output_devices AUDIO_DEVICE_OUT_SPEAKER
     11   default_output_device AUDIO_DEVICE_OUT_SPEAKER
     12   attached_input_devices AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_REMOTE_SUBMIX
     13   speaker_drc_enabled TRUE
     14 }
     15 
     16 # audio hardware module section: contains descriptors for all audio hw modules present on the
     17 # device. Each hw module node is named after the corresponding hw module library base name.
     18 # For instance, "primary" corresponds to audio.primary.<device>.so.
     19 # The "primary" module is mandatory and must include at least one output with
     20 # AUDIO_OUTPUT_FLAG_PRIMARY flag.
     21 # Each module descriptor contains one or more output profile descriptors and zero or more
     22 # input profile descriptors. Each profile lists all the parameters supported by a given output
     23 # or input stream category.
     24 # The "channel_masks", "formats", "devices" and "flags" are specified using strings corresponding
     25 # to enums in audio.h and audio_policy.h. They are concatenated by use of "|" without space or "\n".
     26 
     27 audio_hw_modules {
     28   primary {
     29     outputs {
     30       primary {
     31         sampling_rates 48000
     32         channel_masks AUDIO_CHANNEL_OUT_STEREO
     33         formats AUDIO_FORMAT_PCM_16_BIT
     34         devices AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|AUDIO_DEVICE_OUT_AUX_DIGITAL|AUDIO_DEVICE_OUT_ALL_SCO
     35         flags AUDIO_OUTPUT_FLAG_PRIMARY
     36       }
     37     }
     38     inputs {
     39       primary {
     40         sampling_rates 8000|11025|12000|16000|22050|24000|32000|44100|48000
     41         channel_masks AUDIO_CHANNEL_IN_MONO|AUDIO_CHANNEL_IN_STEREO
     42         formats AUDIO_FORMAT_PCM_16_BIT
     43         devices AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET|AUDIO_DEVICE_IN_WIRED_HEADSET
     44       }
     45     }
     46   }
     47   a2dp {
     48     outputs {
     49       a2dp {
     50         sampling_rates 44100
     51         channel_masks AUDIO_CHANNEL_OUT_STEREO
     52         formats AUDIO_FORMAT_PCM_16_BIT
     53         devices AUDIO_DEVICE_OUT_ALL_A2DP
     54       }
     55     }
     56   }
     57   usb {
     58     outputs {
     59       usb_accessory {
     60         sampling_rates 44100
     61         channel_masks AUDIO_CHANNEL_OUT_STEREO
     62         formats AUDIO_FORMAT_PCM_16_BIT
     63         devices AUDIO_DEVICE_OUT_USB_ACCESSORY
     64       }
     65       usb_device {
     66         sampling_rates dynamic
     67         channel_masks dynamic
     68         formats dynamic
     69         devices AUDIO_DEVICE_OUT_USB_DEVICE
     70       }
     71     }
     72     inputs {
     73       usb_device {
     74         sampling_rates dynamic
     75         channel_masks dynamic
     76         formats dynamic
     77         devices AUDIO_DEVICE_IN_USB_DEVICE
     78       }
     79     }
     80   }
     81   r_submix {
     82     outputs {
     83       submix {
     84         sampling_rates 48000
     85         channel_masks AUDIO_CHANNEL_OUT_STEREO
     86         formats AUDIO_FORMAT_PCM_16_BIT
     87         devices AUDIO_DEVICE_OUT_REMOTE_SUBMIX
     88       }
     89     }
     90     inputs {
     91       submix {
     92         sampling_rates 48000
     93         channel_masks AUDIO_CHANNEL_IN_STEREO
     94         formats AUDIO_FORMAT_PCM_16_BIT
     95         devices AUDIO_DEVICE_IN_REMOTE_SUBMIX
     96       }
     97     }
     98   }
     99 }
    100