از 27 مارس 2025، توصیه می کنیم از android-latest-release
به جای aosp-main
برای ساختن و کمک به AOSP استفاده کنید. برای اطلاعات بیشتر، به تغییرات AOSP مراجعه کنید.
با مجموعهها، منظم بمانید
ذخیره و طبقهبندی محتوا براساس اولویتهای شما.
مرجع ساختار audio_policy_device
#include < audio_policy.h >
تعریف در خط 422 فایل audio_policy.h .
مستندات این ساختار از فایل زیر تولید شده است:
محتوا و نمونه کدها در این صفحه مشمول پروانههای توصیفشده در پروانه محتوا هستند. جاوا و OpenJDK علامتهای تجاری یا علامتهای تجاری ثبتشده Oracle و/یا وابستههای آن هستند.
تاریخ آخرین بهروزرسانی 2025-07-29 بهوقت ساعت هماهنگ جهانی.
[[["درک آسان","easyToUnderstand","thumb-up"],["مشکلم را برطرف کرد","solvedMyProblem","thumb-up"],["غیره","otherUp","thumb-up"]],[["اطلاعاتی که نیاز دارم وجود ندارد","missingTheInformationINeed","thumb-down"],["بیشازحد پیچیده/ مراحل بسیار زیاد","tooComplicatedTooManySteps","thumb-down"],["قدیمی","outOfDate","thumb-down"],["مشکل ترجمه","translationIssue","thumb-down"],["مشکل کد / نمونهها","samplesCodeIssue","thumb-down"],["غیره","otherDown","thumb-down"]],["تاریخ آخرین بهروزرسانی 2025-07-29 بهوقت ساعت هماهنگ جهانی."],[],[],null,["# Android Hardware Abstraction Layer: audio_policy_device Struct Reference\n\naudio_policy_device Struct Reference\n====================================\n\n[Data Fields](#pub-attribs) \naudio_policy_device Struct Reference \n\n`\n#include \u003c\n`[audio_policy.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)`\n\u003e\n`\n\n|----------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Data Fields ----------- ||\n| struct [hw_device_t](/reference/hal/structhw__device__t) | [common](/reference/hal/structaudio__policy__device#a86a0ca82dd3f02023e259b8b5e155dbe) |\n| ||\n| int(\\* | [create_audio_policy](/reference/hal/structaudio__policy__device#a9952e1daea03740f325af622722e4be1) )(const struct [audio_policy_device](/reference/hal/structaudio__policy__device) \\*device, struct [audio_policy_service_ops](/reference/hal/structaudio__policy__service__ops) \\*aps_ops, void \\*service, struct [audio_policy](/reference/hal/structaudio__policy) \\*\\*ap) |\n| ||\n| int(\\* | [destroy_audio_policy](/reference/hal/structaudio__policy__device#a2b9f6df4ad9162b49d2ac1101ac6fa51) )(const struct [audio_policy_device](/reference/hal/structaudio__policy__device) \\*device, struct [audio_policy](/reference/hal/structaudio__policy) \\*ap) |\n| ||\n\n\nDetailed Description\n--------------------\n\n\nDefinition at line\n[422](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\nof file\n[audio_policy.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\n.\n\nField Documentation\n-------------------\n\n\n|-----------------------------------------------------------------|\n| struct [hw_device_t](/reference/hal/structhw__device__t) common |\n\n\nCommon methods of the audio policy device. This\n*must*\nbe the first member of\n[audio_policy_device](/reference/hal/structaudio__policy__device)\nas users of this structure will cast a\n[hw_device_t](/reference/hal/structhw__device__t)\nto\n[audio_policy_device](/reference/hal/structaudio__policy__device)\npointer in contexts where it's known the\n[hw_device_t](/reference/hal/structhw__device__t)\nreferences an\n[audio_policy_device](/reference/hal/structaudio__policy__device)\n.\n\n\nDefinition at line\n[429](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\nof file\n[audio_policy.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\n.\n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| int(\\* create_audio_policy)(const struct [audio_policy_device](/reference/hal/structaudio__policy__device) \\*device, struct [audio_policy_service_ops](/reference/hal/structaudio__policy__service__ops) \\*aps_ops, void \\*service, struct [audio_policy](/reference/hal/structaudio__policy) \\*\\*ap) |\n\n\nDefinition at line\n[431](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\nof file\n[audio_policy.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\n.\n\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| int(\\* destroy_audio_policy)(const struct [audio_policy_device](/reference/hal/structaudio__policy__device) \\*device, struct [audio_policy](/reference/hal/structaudio__policy) \\*ap) |\n\n\nDefinition at line\n[436](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\nof file\n[audio_policy.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)\n.\n\n*** ** * ** ***\n\nThe documentation for this struct was generated from the following file:\n\n- hardware/libhardware/include/hardware/ [audio_policy.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/audio_policy.h)"]]