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_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 48000 27 channel_masks AUDIO_CHANNEL_OUT_STEREO 28 formats AUDIO_FORMAT_PCM_16_BIT 29 devices AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_AUX_DIGITAL 30 flags AUDIO_OUTPUT_FLAG_PRIMARY 31 } 32 multichannel_out { 33 sampling_rates dynamic 34 channel_masks dynamic 35 formats dynamic 36 devices AUDIO_DEVICE_OUT_AUX_DIGITAL 37 flags AUDIO_OUTPUT_FLAG_DIRECT 38 } 39 } 40 inputs { 41 primary { 42 sampling_rates 8000|11025|12000|16000|22050|24000|32000|44100|48000 43 channel_masks AUDIO_CHANNEL_IN_MONO 44 formats AUDIO_FORMAT_PCM_16_BIT 45 devices AUDIO_DEVICE_IN_WIRED_HEADSET 46 } 47 } 48 } 49 r_submix { 50 outputs { 51 submix { 52 sampling_rates 48000 53 channel_masks AUDIO_CHANNEL_OUT_STEREO 54 formats AUDIO_FORMAT_PCM_16_BIT 55 devices AUDIO_DEVICE_OUT_REMOTE_SUBMIX 56 } 57 } 58 inputs { 59 submix { 60 sampling_rates 8000|48000 61 channel_masks AUDIO_CHANNEL_IN_MONO|AUDIO_CHANNEL_IN_STEREO 62 formats AUDIO_FORMAT_PCM_16_BIT 63 devices AUDIO_DEVICE_IN_REMOTE_SUBMIX 64 } 65 } 66 } 67 } 68
