BufferImpl.cpp revision 4811923e80a8abefa278307ebf8cc9b0294ba67f 
1/*
2 * Copyright 2016, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//#define LOG_NDEBUG 0
18#define LOG_TAG "BufferImpl"
19#include <utils/Log.h>
20
21#include <binder/IMemory.h>
22#include <media/stagefright/foundation/ABuffer.h>
23#include <media/stagefright/foundation/AMessage.h>
24#include <media/ICrypto.h>
25#include <utils/NativeHandle.h>
26
27#include "include/SecureBuffer.h"
28#include "include/SharedMemoryBuffer.h"
29
30namespace android {
31
32SharedMemoryBuffer::SharedMemoryBuffer(const sp<AMessage> &format, const sp<IMemory> &mem)
33    : MediaCodecBuffer(format, new ABuffer(mem->pointer(), mem->size())),
34      mMemory(mem) {
35}
36
37SecureBuffer::SecureBuffer(const sp<AMessage> &format, void *ptr, size_t size)
38    : MediaCodecBuffer(format, new ABuffer(nullptr, size)),
39      mPointer(ptr) {
40}
41
42SecureBuffer::SecureBuffer(
43        const sp<AMessage> &format, const sp<NativeHandle> &handle, size_t size)
44    : MediaCodecBuffer(format, new ABuffer(nullptr, size)),
45      mPointer(nullptr),
46      mHandle(handle) {
47}
48
49void *SecureBuffer::getDestinationPointer() {
50    return (void *)(mHandle == nullptr ? mPointer : mHandle->handle());
51}
52
53ICrypto::DestinationType SecureBuffer::getDestinationType() {
54    return mHandle == nullptr ? ICrypto::kDestinationTypeOpaqueHandle
55                              : ICrypto::kDestinationTypeNativeHandle;
56}
57
58}  // namespace android
59