The Tor Browser: media/omx-plugin/include/ics/hardware/hardware.h@6474c204b198 (annotated)

media/omx-plugin/include/ics/hardware/hardware.h@6474c204b198 (annotated)

media/omx-plugin/include/ics/hardware/hardware.h

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * Copyright (C) 2008 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 #ifndef ANDROID_INCLUDE_HARDWARE_HARDWARE_H
 #define ANDROID_INCLUDE_HARDWARE_HARDWARE_H
 #include <stdint.h>
 #include <sys/cdefs.h>
 #include <cutils/native_handle.h>
 #include <system/graphics.h>
 __BEGIN_DECLS
 /*
  * Value for the hw_module_t.tag field
  */
 #define MAKE_TAG_CONSTANT(A,B,C,D) (((A) << 24) | ((B) << 16) | ((C) << 8) | (D))
 #define HARDWARE_MODULE_TAG MAKE_TAG_CONSTANT('H', 'W', 'M', 'T')
 #define HARDWARE_DEVICE_TAG MAKE_TAG_CONSTANT('H', 'W', 'D', 'T')
 struct hw_module_t;
 struct hw_module_methods_t;
 struct hw_device_t;
 /**
  * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM
  * and the fields of this data structure must begin with hw_module_t
  * followed by module specific information.
  */
 typedef struct hw_module_t {
     /** tag must be initialized to HARDWARE_MODULE_TAG */
     uint32_t tag;
     /** major version number for the module */
     uint16_t version_major;
     /** minor version number of the module */
     uint16_t version_minor;
     /** Identifier of module */
     const char *id;
     /** Name of this module */
     const char *name;
     /** Author/owner/implementor of the module */
     const char *author;
     /** Modules methods */
     struct hw_module_methods_t* methods;
     /** module's dso */
     void* dso;
     /** padding to 128 bytes, reserved for future use */
     uint32_t reserved[32-7];
 } hw_module_t;
 typedef struct hw_module_methods_t {
     /** Open a specific device */
     int (*open)(const struct hw_module_t* module, const char* id,
             struct hw_device_t** device);
 } hw_module_methods_t;
 /**
  * Every device data structure must begin with hw_device_t
  * followed by module specific public methods and attributes.
  */
 typedef struct hw_device_t {
     /** tag must be initialized to HARDWARE_DEVICE_TAG */
     uint32_t tag;
     /** version number for hw_device_t */
     uint32_t version;
     /** reference to the module this device belongs to */
     struct hw_module_t* module;
     /** padding reserved for future use */
     uint32_t reserved[12];
     /** Close this device */
     int (*close)(struct hw_device_t* device);
 } hw_device_t;
 /**
  * Name of the hal_module_info
  */
 #define HAL_MODULE_INFO_SYM         HMI
 /**
  * Name of the hal_module_info as a string
  */
 #define HAL_MODULE_INFO_SYM_AS_STR  "HMI"
 /**
  * Get the module info associated with a module by id.
  *
  * @return: 0 == success, <0 == error and *module == NULL
  */
 int hw_get_module(const char *id, const struct hw_module_t **module);
 /**
  * Get the module info associated with a module instance by class 'class_id'
  * and instance 'inst'.
  *
  * Some modules types necessitate multiple instances. For example audio supports
  * multiple concurrent interfaces and thus 'audio' is the module class
  * and 'primary' or 'a2dp' are module interfaces. This implies that the files
  * providing these modules would be named audio.primary.<variant>.so and
  * audio.a2dp.<variant>.so
  *
  * @return: 0 == success, <0 == error and *module == NULL
  */
 int hw_get_module_by_class(const char *class_id, const char *inst,
                            const struct hw_module_t **module);
 __END_DECLS
 #endif  /* ANDROID_INCLUDE_HARDWARE_HARDWARE_H */

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