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_AUX_DIGITAL|AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET 30 flags AUDIO_OUTPUT_FLAG_PRIMARY 31 } 32 # deep_buffer { 33 # sampling_rates 44100 34 # channel_masks AUDIO_CHANNEL_OUT_STEREO 35 # formats AUDIO_FORMAT_PCM_16_BIT 36 # devices AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE 37 # flags AUDIO_OUTPUT_FLAG_DEEP_BUFFER 38 # } 39 hdmi { 40 sampling_rates 44100|48000 41 channel_masks dynamic 42 formats AUDIO_FORMAT_PCM_16_BIT 43 devices AUDIO_DEVICE_OUT_AUX_DIGITAL 44 flags AUDIO_OUTPUT_FLAG_DIRECT 45 } 46 } 47 inputs { 48 primary { 49 sampling_rates 8000|11025|16000|22050|32000|44100|48000 50 channel_masks AUDIO_CHANNEL_IN_MONO|AUDIO_CHANNEL_IN_STEREO|AUDIO_CHANNEL_IN_FRONT_BACK 51 formats AUDIO_FORMAT_PCM_16_BIT 52 devices AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET|AUDIO_DEVICE_IN_WIRED_HEADSET 53 } 54 } 55 } 56 a2dp { 57 outputs { 58 a2dp { 59 sampling_rates 44100 60 channel_masks AUDIO_CHANNEL_OUT_STEREO 61 formats AUDIO_FORMAT_PCM_16_BIT 62 devices AUDIO_DEVICE_OUT_ALL_A2DP 63 } 64 } 65 } 66 usb { 67 outputs { 68 usb_accessory { 69 sampling_rates 44100 70 channel_masks AUDIO_CHANNEL_OUT_STEREO 71 formats AUDIO_FORMAT_PCM_16_BIT 72 devices AUDIO_DEVICE_OUT_USB_ACCESSORY 73 } 74 usb_device { 75 sampling_rates 44100 76 channel_masks AUDIO_CHANNEL_OUT_STEREO 77 formats AUDIO_FORMAT_PCM_16_BIT 78 devices AUDIO_DEVICE_OUT_USB_DEVICE 79 } 80 } 81 } 82 r_submix { 83 outputs { 84 submix { 85 sampling_rates 48000 86 channel_masks AUDIO_CHANNEL_OUT_STEREO 87 formats AUDIO_FORMAT_PCM_16_BIT 88 devices AUDIO_DEVICE_OUT_REMOTE_SUBMIX 89 } 90 } 91 inputs { 92 submix { 93 sampling_rates 48000 94 channel_masks AUDIO_CHANNEL_IN_STEREO 95 formats AUDIO_FORMAT_PCM_16_BIT 96 devices AUDIO_DEVICE_IN_REMOTE_SUBMIX 97 } 98 } 99 } 100 } 101
