chromium/media/base/scoped_async_trace.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/base/scoped_async_trace.h"

#include "base/memory/ptr_util.h"
#include "base/trace_event/trace_event.h"

namespace media {

namespace {

template <TraceCategory category>
struct Category { … };

template <>
struct Category<TraceCategory::kMedia> { … };

template <>
struct Category<TraceCategory::kMediaStream> { … };

template <>
struct Category<TraceCategory::kVideoAndImageCapture> { … };

}  // namespace

template <TraceCategory category>
std::unique_ptr<TypedScopedAsyncTrace<category>>
TypedScopedAsyncTrace<category>::CreateIfEnabled(const char* name) { … }

template <TraceCategory category>
TypedScopedAsyncTrace<category>::~TypedScopedAsyncTrace() { … }

template <TraceCategory category>
void TypedScopedAsyncTrace<category>::AddStep(const char* step_name) { … }

template <TraceCategory category>
TypedScopedAsyncTrace<category>::TypedScopedAsyncTrace(const char* name)
    : … { … }

template <TraceCategory category>
TypedScopedAsyncTrace<category>::TypedScopedAsyncTrace(const char* name,
                                                       const void* id)
    : … { … }

template class MEDIA_EXPORT TypedScopedAsyncTrace<TraceCategory::kMedia>;
template class MEDIA_EXPORT TypedScopedAsyncTrace<TraceCategory::kMediaStream>;
template class MEDIA_EXPORT
    TypedScopedAsyncTrace<TraceCategory::kVideoAndImageCapture>;

}  // namespace media