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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 WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_FRAME_BUFFER_H_
#define WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_FRAME_BUFFER_H_
#include "webrtc/modules/interface/module_common_types.h"
#include "webrtc/modules/video_coding/main/interface/video_coding.h"
#include "webrtc/modules/video_coding/main/source/encoded_frame.h"
#include "webrtc/modules/video_coding/main/source/jitter_buffer_common.h"
#include "webrtc/modules/video_coding/main/source/session_info.h"
#include "webrtc/typedefs.h"
namespace webrtc {
class VCMFrameBuffer : public VCMEncodedFrame {
public:
VCMFrameBuffer();
virtual ~VCMFrameBuffer();
VCMFrameBuffer(const VCMFrameBuffer& rhs);
virtual void Reset();
VCMFrameBufferEnum InsertPacket(const VCMPacket& packet,
int64_t timeInMs,
VCMDecodeErrorMode decode_error_mode,
const FrameData& frame_data);
// State
// Get current state of frame
VCMFrameBufferStateEnum GetState() const;
// Get current state and timestamp of frame
VCMFrameBufferStateEnum GetState(uint32_t& timeStamp) const;
void PrepareForDecode(bool continuous);
bool IsRetransmitted() const;
bool IsSessionComplete() const;
bool HaveFirstPacket() const;
bool HaveLastPacket() const;
int NumPackets() const;
// Makes sure the session contain a decodable stream.
void MakeSessionDecodable();
// 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;
bool NonReference() 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::FrameType FrameType() const;
void SetPreviousFrameLoss();
// The number of packets discarded because the decoder can't make use of them.
int NotDecodablePackets() const;
private:
void SetState(VCMFrameBufferStateEnum state); // Set state of frame
VCMFrameBufferStateEnum _state; // Current state of the frame
VCMSessionInfo _sessionInfo;
uint16_t _nackCount;
int64_t _latestPacketTimeMs;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_MAIN_SOURCE_FRAME_BUFFER_H_
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