【Android】音效配置文件 audio_effects.conf

# List of effect libraries to load. Each library element must contain a "path" element# giving the full path of the library .so file.#    libraries {#        <lib name> {#          path <lib path>#        }#    }##/*libraries 节点下面是系统需要加载的库文件，每个子节点包含 “name”和加载路径“path”加载流程请参考代码：待写人*/libraries {  bundle {    path /system/lib/soundfx/libbundlewrapper.so  }  reverb {    path /system/lib/soundfx/libreverbwrapper.so  }  qcbassboost {    path /vendor/lib/soundfx/libqcbassboost.so  }  qcvirt {    path /vendor/lib/soundfx/libqcvirt.so  }  qcreverb {    path /vendor/lib/soundfx/libqcreverb.so  }  visualizer_sw {    path /system/lib/soundfx/libvisualizer.so  }  visualizer_hw {    path /system/lib/soundfx/libqcomvisualizer.so  }  downmix {    path /system/lib/soundfx/libdownmix.so  }  loudness_enhancer {    path /system/lib/soundfx/libldnhncr.so  }  proxy {    path /system/lib/soundfx/libeffectproxy.so  }  offload_bundle {    path /system/lib/soundfx/libqcompostprocbundle.so  }  audio_pre_processing {    path /system/lib/soundfx/libqcomvoiceprocessing.so  }}# Default pre-processing library. Add to audio_effect.conf "libraries" section if# audio HAL implements support for default software audio pre-processing effects##  pre_processing {#    path /system/lib/soundfx/libaudiopreprocessing.so#  }/*这一段的意思是说，默认预处理库。 如果音频HAL实现对默认软件音频预处理效果的支持，则添加到audio_effect.conf“库”部分  ,因而集成arkamys这个需要打开这个选项*/  # list of effects to load. Each effect element must contain a "library" and a "uuid" element.# The value of the "library" element must correspond to the name of one library element in the# "libraries" element.# The name of the effect element is indicative, only the value of the "uuid" element# designates the effect.# The uuid is the implementation specific UUID as specified by the effect vendor. This is not the# generic effect type UUID.#    effects {#        <fx name> {#            library <lib name>#            uuid <effect uuid>#        }#        ...#    }/*"effects"节点下面，列出了需要加载的音效，必须包含"library" 和"uuid"，"library"必须是上面libraries节点下面已经声明的子节点 "uuid" 为唯一能够指定某种具体音效的id，这里的uuid是音效厂商实现的某种具体音效而指定的，并非通用音效的uuid        这句话有些绕口*/effects {# additions for the proxy implementation# Proxy implementation  #effectname {    #library proxy    #uuid  xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx    # SW implemetation of the effect. Added as a node under the proxy to    # indicate this as a sub effect.      #libsw {         #library libSW         #uuid  yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy      #} End of SW effect    # HW implementation of the effect. Added as a node under the proxy to    # indicate this as a sub effect.      #libhw {         #library libHW         #uuid  zzzzzzzz-zzzz-zzzz-zzzz-zzzzzzzzzzzz      #}End of HW effect  #} End of effect proxy/*这里是声明effects的格式，声明代理实现，每个代理实现下面包括一个sw子音效和一个hw子音效*/  bassboost {    library proxy    uuid 14804144-a5ee-4d24-aa88-0002a5d5c51b    libsw {      library qcbassboost      uuid 23aca180-44bd-11e2-bcfd-0800200c9a66    }    libhw {      library offload_bundle      uuid 2c4a8c24-1581-487f-94f6-0002a5d5c51b    }  }  virtualizer {    library proxy    uuid d3467faa-acc7-4d34-acaf-0002a5d5c51b    libsw {      library qcvirt      uuid e6c98a16-22a3-11e2-b87b-f23c91aec05e    }    libhw {      library offload_bundle      uuid 509a4498-561a-4bea-b3b1-0002a5d5c51b    }  }  equalizer {    library proxy    uuid c8e70ecd-48ca-456e-8a4f-0002a5d5c51b    libsw {      library bundle      uuid ce772f20-847d-11df-bb17-0002a5d5c51b    }    libhw {      library offload_bundle      uuid a0dac280-401c-11e3-9379-0002a5d5c51b    }  }  volume {    library bundle    uuid 119341a0-8469-11df-81f9-0002a5d5c51b  }  reverb_env_aux {    library proxy    uuid 48404ac9-d202-4ccc-bf84-0002a5d5c51b    libsw {      library qcreverb      uuid a8c1e5f3-293d-43cd-95ec-d5e26c02e217    }    libhw {      library offload_bundle      uuid 79a18026-18fd-4185-8233-0002a5d5c51b    }  }  reverb_env_ins {    library proxy    uuid b707403a-a1c1-4291-9573-0002a5d5c51b    libsw {      library qcreverb      uuid 791fff8b-8129-4655-83a4-59bc61034c3a    }    libhw {      library offload_bundle      uuid eb64ea04-973b-43d2-8f5e-0002a5d5c51b    }  }  reverb_pre_aux {    library proxy    uuid 1b78f587-6d1c-422e-8b84-0002a5d5c51b    libsw {      library qcreverb      uuid 53ef1db5-c0c0-445b-b060-e34d20ebb70a    }    libhw {      library offload_bundle      uuid 6987be09-b142-4b41-9056-0002a5d5c51b    }  }  reverb_pre_ins {    library proxy    uuid f3e178d2-ebcb-408e-8357-0002a5d5c51b    libsw {      library qcreverb      uuid b08a0e38-22a5-11e2-b87b-f23c91aec05e    }    libhw {      library offload_bundle      uuid aa2bebf6-47cf-4613-9bca-0002a5d5c51b    }  }  visualizer {    library proxy    uuid 1d0a1a53-7d5d-48f2-8e71-27fbd10d842c    libsw {      library visualizer_sw      uuid  d069d9e0-8329-11df-9168-0002a5d5c51b    }    libhw {      library visualizer_hw      uuid 7a8044a0-1a71-11e3-a184-0002a5d5c51b    }  }  downmix {    library downmix    uuid 93f04452-e4fe-41cc-91f9-e475b6d1d69f  }  loudness_enhancer {    library loudness_enhancer    uuid fa415329-2034-4bea-b5dc-5b381c8d1e2c  }  aec {    library audio_pre_processing    uuid 0f8d0d2a-59e5-45fe-b6e4-248c8a799109  }  ns {    library audio_pre_processing    uuid 1d97bb0b-9e2f-4403-9ae3-58c2554306f8  }}# Default pre-processing effects. Add to audio_effect.conf "effects" section if# audio HAL implements support for them.##  agc {#    library pre_processing#    uuid aa8130e0-66fc-11e0-bad0-0002a5d5c51b#  }#  aec {#    library pre_processing#    uuid bb392ec0-8d4d-11e0-a896-0002a5d5c51b#  }#  ns {#    library pre_processing#    uuid c06c8400-8e06-11e0-9cb6-0002a5d5c51b#  }/*关于音频前处理配置*/# Audio preprocessor configurations.# The pre processor configuration consists in a list of elements each describing# pre processor settings for a given input source. Valid input source names are:# "mic", "camcorder", "voice_recognition", "voice_communication"# Each input source element contains a list of effects elements. The name of the effect# element must be the name of one of the effects in the "effects" list of the file.# Each effect element may optionally contain a list of parameters and their# default value to apply when the pre processor effect is created.# A parameter is defined by a "param" element and a "value" element. Each of these elements# consists in one or more elements specifying a type followed by a value.# The types defined are: "int", "short", "float", "bool" and "string"# When both "param" and "value" are a single int, a simple form is allowed where just# the param and value pair is present in the parameter description#    pre_processing {#        <input source name> {#            <fx name> {#                <param 1 name> {#                    param {#                        int|short|float|bool|string <value>#                        [ int|short|float|bool|string <value> ]#                        ...#                    }#                    value {#                        int|short|float|bool|string <value>#                        [ int|short|float|bool|string <value> ]#                        ...#                    }#                }#                <param 2 name > {<param> <value>}#                ...#            }#            ...#        }#        ...#    }# Added aec, ns effects for voice_commuincation, which are supported by the boardpre_processing {  voice_communication {    aec {    }    ns  {    }  }}## TODO: add default audio pre processor configurations after debug and tuning phase#