webrtc/modules/video_coding/main/source/frame_list.h

67 lines
2.3 KiB
C++

/*
* Copyright (c) 2011 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_FRAME_LIST_H_
#define WEBRTC_MODULES_VIDEO_CODING_FRAME_LIST_H_
#include "list_wrapper.h"
#include "typedefs.h"
#include <stdlib.h>
namespace webrtc
{
class VCMFrameBuffer;
typedef bool (*FindFrameCriteria)(VCMFrameBuffer*, const void*);
class VCMFrameListItem : public ListItem
{
friend class VCMFrameListTimestampOrderAsc;
public:
VCMFrameListItem(const VCMFrameBuffer* ptr) : ListItem(ptr) {}
~VCMFrameListItem() {};
VCMFrameBuffer* GetItem() const
{ return static_cast<VCMFrameBuffer*>(ListItem::GetItem()); }
};
class VCMFrameListTimestampOrderAsc : public ListWrapper
{
public:
VCMFrameListTimestampOrderAsc() : ListWrapper() {};
~VCMFrameListTimestampOrderAsc();
void Flush();
// Inserts frame in timestamp order, with the oldest timestamp first.
// Takes wrap arounds into account.
WebRtc_Word32 Insert(VCMFrameBuffer* frame);
VCMFrameBuffer* FirstFrame() const;
VCMFrameListItem* Next(VCMFrameListItem* item) const
{ return static_cast<VCMFrameListItem*>(ListWrapper::Next(item)); }
VCMFrameListItem* Previous(VCMFrameListItem* item) const
{ return static_cast<VCMFrameListItem*>(ListWrapper::Previous(item)); }
VCMFrameListItem* First() const
{ return static_cast<VCMFrameListItem*>(ListWrapper::First()); }
VCMFrameListItem* Last() const
{ return static_cast<VCMFrameListItem*>(ListWrapper::Last()); }
VCMFrameListItem* FindFrameListItem(FindFrameCriteria criteria,
const void* compareWith = NULL,
VCMFrameListItem* startItem = NULL) const;
VCMFrameBuffer* FindFrame(FindFrameCriteria criteria,
const void* compareWith = NULL,
VCMFrameListItem* startItem = NULL) const;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_FRAME_LIST_H_