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/*
* Copyright (C) 2018 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_STAGEFRIGHT_C2PARAM_INTERNAL_H_
#define ANDROID_STAGEFRIGHT_C2PARAM_INTERNAL_H_
#include <C2Param.h>
struct C2_HIDE _C2ParamInspector {
inline static uint32_t GetOffset(const C2FieldDescriptor &fd) {
return fd._mFieldId._mOffset;
}
inline static void SetOffset(C2FieldDescriptor &fd, uint32_t offset) {
fd._mFieldId._mOffset = offset;
}
inline static uint32_t GetEndOffset(const C2FieldDescriptor &fd, uint32_t paramSize = 0) {
uint32_t endOffset = fd._mFieldId._mOffset + fd._mExtent * fd._mFieldId._mSize;
/// for flex parameters return paramSize if given
return fd._mExtent ? endOffset : std::max(endOffset, paramSize);
}
inline static uint32_t GetSize(const C2FieldDescriptor &fd) {
return fd._mFieldId._mSize;
}
inline static uint32_t GetIndex(const C2ParamField &pf) {
return pf._mIndex;
}
inline static uint32_t GetOffset(const C2ParamField &pf) {
return pf._mFieldId._mOffset;
}
inline static uint32_t GetSize(const C2ParamField &pf) {
return pf._mFieldId._mSize;
}
inline static uint32_t GetOffset(const _C2FieldId &f) {
return f._mOffset;
}
inline static uint32_t GetSize(const _C2FieldId &f) {
return f._mSize;
}
inline static _C2FieldId GetField(const C2FieldDescriptor &fd) {
return fd._mFieldId;
}
inline static uint32_t GetAttrib(const C2ParamDescriptor &pd) {
return pd._mAttrib;
}
inline static _C2FieldId GetField(const C2ParamField &pf) {
return pf._mFieldId;
}
inline static
C2ParamField CreateParamField(C2Param::Index index, uint32_t offset, uint32_t size) {
return C2ParamField(index, offset, size);
}
inline static
C2ParamField CreateParamField(C2Param::Index index, _C2FieldId field) {
return C2ParamField(index, field._mOffset, field._mSize);
}
inline static
void TrimParam(C2Param *param, uint32_t newSize) {
if (param && *param && param->size() > newSize && newSize >= sizeof(C2Param)) {
param->_mSize = newSize;
}
}
inline static void AddNamedValues(
C2FieldDescriptor &fd, C2FieldDescriptor::NamedValuesType &&namedValues) {
fd._mNamedValues = std::move(namedValues);
}
inline static
C2StructDescriptor CreateStructDescriptor(C2Param::CoreIndex index,
std::vector<C2FieldDescriptor> &&fields) {
return C2StructDescriptor(index, std::move(fields));
}
inline static
C2FieldDescriptor OffsetFieldDescriptor(const C2FieldDescriptor &fd, size_t offset) {
return C2FieldDescriptor(fd, offset);
}
// expose attributes
typedef C2ParamDescriptor::attrib_t attrib_t;
};
#endif // ANDROID_STAGEFRIGHT_C2PARAM_INTERNAL_H_