blob: 4e5b5e2851a9a893506ae067cea9fa52fa115456 (
plain)
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
|
/*
* 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.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "VideoFrameScheduler"
#include <utils/Log.h>
#define ATRACE_TAG ATRACE_TAG_VIDEO
#include <utils/Trace.h>
#include <utils/String16.h>
#include <binder/IServiceManager.h>
#include <gui/ISurfaceComposer.h>
#include <ui/DisplayStatInfo.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/AUtils.h>
#include <media/stagefright/VideoFrameScheduler.h>
namespace android {
VideoFrameScheduler::VideoFrameScheduler() : VideoFrameSchedulerBase() {
}
void VideoFrameScheduler::updateVsync() {
mVsyncRefreshAt = systemTime(SYSTEM_TIME_MONOTONIC) + kVsyncRefreshPeriod;
mVsyncTime = 0;
mVsyncPeriod = 0;
if (mComposer == NULL) {
String16 name("SurfaceFlinger");
sp<IServiceManager> sm = defaultServiceManager();
mComposer = interface_cast<ISurfaceComposer>(sm->checkService(name));
}
if (mComposer != NULL) {
DisplayStatInfo stats;
status_t res = mComposer->getDisplayStats(NULL /* display */, &stats);
if (res == OK) {
ALOGV("vsync time:%lld period:%lld",
(long long)stats.vsyncTime, (long long)stats.vsyncPeriod);
mVsyncTime = stats.vsyncTime;
mVsyncPeriod = stats.vsyncPeriod;
} else {
ALOGW("getDisplayStats returned %d", res);
}
} else {
ALOGW("could not get surface mComposer service");
}
}
void VideoFrameScheduler::release() {
mComposer.clear();
}
VideoFrameScheduler::~VideoFrameScheduler() {
release();
}
} // namespace android
|
