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