You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.3 KiB
81 lines
2.3 KiB
4 months ago
|
/*
|
||
|
|
* 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 HISTOGRAM_HISTOGRAM_COLLECTOR_H_
|
||
|
|
#define HISTOGRAM_HISTOGRAM_COLLECTOR_H_
|
||
|
|
#include <android-base/thread_annotations.h>
|
||
|
|
#include <condition_variable>
|
||
|
|
#include <mutex>
|
||
|
|
#include <string>
|
||
|
|
#include <thread>
|
||
|
|
#define HWC2_INCLUDE_STRINGIFICATION
|
||
|
|
#define HWC2_USE_CPP11
|
||
|
|
#include <hardware/hwcomposer2.h>
|
||
|
|
#undef HWC2_INCLUDE_STRINGIFICATION
|
||
|
|
#undef HWC2_USE_CPP11
|
||
|
|
|
||
|
|
// number of enums in hwc2_format_color_component_t;
|
||
|
|
#define NUM_HISTOGRAM_COLOR_COMPONENTS 4
|
||
|
|
|
||
|
|
namespace histogram {
|
||
|
|
typedef uint32_t BlobId;
|
||
|
|
|
||
|
|
class Ringbuffer;
|
||
|
|
class HistogramCollector {
|
||
|
|
public:
|
||
|
|
HistogramCollector();
|
||
|
|
~HistogramCollector();
|
||
|
|
|
||
|
|
void start();
|
||
|
|
void start(uint64_t max_frames);
|
||
|
|
void stop();
|
||
|
|
|
||
|
|
void notify_histogram_event(int blob_source_fd, BlobId id);
|
||
|
|
|
||
|
|
std::string Dump() const;
|
||
|
|
|
||
|
|
HWC2::Error collect(uint64_t max_frames, uint64_t timestamp,
|
||
|
|
int32_t samples_size[NUM_HISTOGRAM_COLOR_COMPONENTS],
|
||
|
|
uint64_t *samples[NUM_HISTOGRAM_COLOR_COMPONENTS], uint64_t *numFrames) const;
|
||
|
|
HWC2::Error getAttributes(int32_t *format, int32_t *dataspace,
|
||
|
|
uint8_t *supported_components) const;
|
||
|
|
|
||
|
|
private:
|
||
|
|
HistogramCollector(HistogramCollector const &) = delete;
|
||
|
|
HistogramCollector &operator=(HistogramCollector const &) = delete;
|
||
|
|
void blob_processing_thread();
|
||
|
|
|
||
|
|
std::condition_variable cv;
|
||
|
|
std::mutex mutable mutex;
|
||
|
|
bool started /* GUARDED_BY(mutex) */ = false;
|
||
|
|
|
||
|
|
struct BlobWork {
|
||
|
|
int fd; /* non-owning! */
|
||
|
|
BlobId id;
|
||
|
|
} blobwork /* GUARDED_BY(mutex) */;
|
||
|
|
// no optional in c++14.
|
||
|
|
bool work_available = false; /* GUARDED_BY(mutex) */
|
||
|
|
;
|
||
|
|
|
||
|
|
std::thread monitoring_thread;
|
||
|
|
|
||
|
|
std::unique_ptr<histogram::Ringbuffer> histogram;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace histogram
|
||
|
|
|
||
|
|
#endif // HISTOGRAM_HISTOGRAM_COLLECTOR_H_
|