chromium/media/base/stream_parser_buffer.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_BASE_STREAM_PARSER_BUFFER_H_
#define MEDIA_BASE_STREAM_PARSER_BUFFER_H_

#include <stddef.h>
#include <stdint.h>

#include "base/time/time.h"
#include "media/base/decoder_buffer.h"
#include "media/base/demuxer_stream.h"
#include "media/base/media_export.h"
#include "media/base/stream_parser.h"
#include "media/base/timestamp_constants.h"

namespace media {

// Simple wrapper around base::TimeDelta that represents a decode timestamp.
// Making DecodeTimestamp a different type makes it easier to determine whether
// code is operating on presentation or decode timestamps and makes conversions
// between the two types explicit and easy to spot.
class DecodeTimestamp { … };

// Assert assumptions necessary for DecodeTimestamp analogues of
// base::TimeDelta::is_inf(), media::kNoTimestamp and media::kInfiniteDuration.
static_assert …;
static_assert …;

// Indicates an invalid or missing decode timestamp.
constexpr DecodeTimestamp kNoDecodeTimestamp = …;

// Similar to media::kInfiniteDuration, indicates a decode timestamp of positive
// infinity.
constexpr DecodeTimestamp kMaxDecodeTimestamp = …;

class MEDIA_EXPORT StreamParserBuffer : public DecoderBuffer { … };

}  // namespace media

#endif  // MEDIA_BASE_STREAM_PARSER_BUFFER_H_