frame_buffer.h - mozsearch

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/*

 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#ifndef MODULES_VIDEO_CODING_DEPRECATED_FRAME_BUFFER_H_

#define MODULES_VIDEO_CODING_DEPRECATED_FRAME_BUFFER_H_

#include <stddef.h>

#include <stdint.h>

#include <vector>

#include "modules/video_coding/codecs/vp9/include/vp9_globals.h"

#include "modules/video_coding/deprecated/jitter_buffer_common.h"

#include "modules/video_coding/deprecated/packet.h"

#include "modules/video_coding/deprecated/session_info.h"

#include "modules/video_coding/encoded_frame.h"

namespace webrtc {

class VCMFrameBuffer : public VCMEncodedFrame {

 public:

  VCMFrameBuffer();

  virtual ~VCMFrameBuffer();

  virtual void Reset();

  VCMFrameBufferEnum InsertPacket(const VCMPacket& packet,

                                  int64_t timeInMs,

                                  const FrameData& frame_data);

  // State

  // Get current state of frame

  VCMFrameBufferStateEnum GetState() const;

  void PrepareForDecode(bool continuous);

  bool IsSessionComplete() const;

  bool HaveFirstPacket() const;

  int NumPackets() const;

  // Sequence numbers

  // Get lowest packet sequence number in frame

  int32_t GetLowSeqNum() const;

  // Get highest packet sequence number in frame

  int32_t GetHighSeqNum() const;

  int PictureId() const;

  int TemporalId() const;

  bool LayerSync() const;

  int Tl0PicId() const;

  std::vector<NaluInfo> GetNaluInfos() const;

  void SetGofInfo(const GofInfoVP9& gof_info, size_t idx);

  // Increments a counter to keep track of the number of packets of this frame

  // which were NACKed before they arrived.

  void IncrementNackCount();

  // Returns the number of packets of this frame which were NACKed before they

  // arrived.

  int16_t GetNackCount() const;

  int64_t LatestPacketTimeMs() const;

  webrtc::VideoFrameType FrameType() const;

 private:

  void SetState(VCMFrameBufferStateEnum state);  // Set state of frame

  VCMFrameBufferStateEnum _state;  // Current state of the frame

  // Set with SetEncodedData, but keep pointer to the concrete class here, to

  // enable reallocation and mutation.

  rtc::scoped_refptr<EncodedImageBuffer> encoded_image_buffer_;

  VCMSessionInfo _sessionInfo;

  uint16_t _nackCount;

  int64_t _latestPacketTimeMs;

};

}  // namespace webrtc

#endif  // MODULES_VIDEO_CODING_DEPRECATED_FRAME_BUFFER_H_