* Copyright (C) 2022 Huawei Device Co., Ltd.
* 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 OHOS_MEDIA_LIBRARY_TRACER
#define OHOS_MEDIA_LIBRARY_TRACER
#include <string.h>
#include "hitrace_meter.h"
#define COMPILE_HIDDEN __attribute__ ((visibility ("hidden")))
class MediaLibraryTracer final {
public:
MediaLibraryTracer() = default;
virtual ~MediaLibraryTracer()
{
for (int32_t i = 0; i < count_; i++) {
FinishTraceEx(HITRACE_LEVEL_INFO, HITRACE_TAG_ZMEDIA);
}
count_ = 0;
}
void Start(const std::string &label)
{
StartTraceEx(HITRACE_LEVEL_INFO, HITRACE_TAG_ZMEDIA, label.c_str(), "");
count_++;
}
void Finish()
{
FinishTraceEx(HITRACE_LEVEL_INFO, HITRACE_TAG_ZMEDIA);
count_--;
}
private:
COMPILE_HIDDEN int32_t count_ = 0;
};
#endif