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// Copyright 2016 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.
#include "media/base/decode_status.h"
#include <ostream>
#include "base/trace_event/trace_event.h"
namespace media {
const char* GetDecodeStatusString(DecodeStatus status) {
switch (status) {
case DecodeStatus::OK:
return "DecodeStatus::OK";
case DecodeStatus::ABORTED:
return "DecodeStatus::ABORTED";
case DecodeStatus::DECODE_ERROR:
return "DecodeStatus::DECODE_ERROR";
}
NOTREACHED();
return "";
}
std::ostream& operator<<(std::ostream& os, const DecodeStatus& status) {
os << GetDecodeStatusString(status);
return os;
}
// static
bool ScopedDecodeTrace::IsEnabled() {
bool enable_decode_traces = false;
TRACE_EVENT_CATEGORY_GROUP_ENABLED("media", &enable_decode_traces);
return enable_decode_traces;
}
ScopedDecodeTrace::ScopedDecodeTrace(const char* trace_name,
bool is_key_frame,
base::TimeDelta timestamp)
: trace_name_(trace_name) {
DCHECK(trace_name_);
TRACE_EVENT_ASYNC_BEGIN2("media", trace_name_, this, "is_key_frame",
is_key_frame, "timestamp_us",
timestamp.InMicroseconds());
}
ScopedDecodeTrace::ScopedDecodeTrace(const char* trace_name,
const DecoderBuffer& buffer)
: trace_name_(trace_name) {
DCHECK(trace_name_);
TRACE_EVENT_ASYNC_BEGIN1("media", trace_name_, this, "decoder_buffer",
buffer.AsHumanReadableString(/*verbose=*/true));
}
ScopedDecodeTrace::~ScopedDecodeTrace() {
if (!closed_)
EndTrace(DecodeStatus::ABORTED);
}
void ScopedDecodeTrace::EndTrace(DecodeStatus status) {
DCHECK(!closed_);
closed_ = true;
TRACE_EVENT_ASYNC_END1("media", trace_name_, this, "status",
GetDecodeStatusString(status));
}
} // namespace media
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