1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//#define LOG_NDEBUG 0
#define LOG_TAG "C2VdaPooledBlockPool"
#include <v4l2_codec2/plugin_store/C2VdaPooledBlockPool.h>
#include <time.h>
#include <C2BlockInternal.h>
#include <bufferpool/BufferPoolTypes.h>
#include <log/log.h>
namespace android {
using android::hardware::media::bufferpool::BufferPoolData;
// static
std::optional<uint32_t> C2VdaPooledBlockPool::getBufferIdFromGraphicBlock(const C2Block2D& block) {
std::shared_ptr<_C2BlockPoolData> blockPoolData =
_C2BlockFactory::GetGraphicBlockPoolData(block);
if (blockPoolData->getType() != _C2BlockPoolData::TYPE_BUFFERPOOL) {
ALOGE("Obtained C2GraphicBlock is not bufferpool-backed.");
return std::nullopt;
}
std::shared_ptr<BufferPoolData> bpData;
if (!_C2BlockFactory::GetBufferPoolData(blockPoolData, &bpData) || !bpData) {
ALOGE("BufferPoolData unavailable in block.");
return std::nullopt;
}
return bpData->mId;
}
// Tries to fetch a buffer from bufferpool. When the size of |mBufferIds| is smaller than
// |mBufferCount|, pass the obtained buffer to caller and record its ID in BufferPoolData to
// |mBufferIds|. When the size of |mBufferIds| is equal to |mBufferCount|, pass the obtained
// buffer only if its ID is included in |mBufferIds|. Otherwise, discard the buffer and
// return C2_TIMED_OUT.
c2_status_t C2VdaPooledBlockPool::fetchGraphicBlock(uint32_t width, uint32_t height,
uint32_t format, C2MemoryUsage usage,
std::shared_ptr<C2GraphicBlock>* block) {
ALOG_ASSERT(block != nullptr);
std::lock_guard<std::mutex> lock(mMutex);
std::shared_ptr<C2GraphicBlock> fetchBlock;
c2_status_t err =
C2PooledBlockPool::fetchGraphicBlock(width, height, format, usage, &fetchBlock);
if (err != C2_OK) {
ALOGE("Failed at C2PooledBlockPool::fetchGraphicBlock: %d", err);
return err;
}
std::optional<uint32_t> bufferId = getBufferIdFromGraphicBlock(*fetchBlock);
if (!bufferId) {
ALOGE("Failed to getBufferIdFromGraphicBlock");
return C2_CORRUPTED;
}
if (mBufferIds.size() < mBufferCount) {
mBufferIds.insert(*bufferId);
}
if (mBufferIds.find(*bufferId) != mBufferIds.end()) {
ALOGV("Returned buffer id = %u", *bufferId);
*block = std::move(fetchBlock);
return C2_OK;
}
ALOGV("No buffer could be recycled now, wait for another try...");
return C2_TIMED_OUT;
}
c2_status_t C2VdaPooledBlockPool::requestNewBufferSet(int32_t bufferCount) {
if (bufferCount <= 0) {
ALOGE("Invalid requested buffer count = %d", bufferCount);
return C2_BAD_VALUE;
}
std::lock_guard<std::mutex> lock(mMutex);
mBufferIds.clear();
mBufferCount = bufferCount;
return C2_OK;
}
} // namespace android
|
