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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_ | |
6 #define MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_ | |
7 | |
8 #include <map> | |
9 #include <set> | |
10 | |
11 #include "base/memory/linked_ptr.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "media/cast/cast_config.h" | |
14 #include "media/cast/rtcp/rtcp_defines.h" | |
15 #include "media/cast/rtp_receiver/rtp_receiver_defines.h" | |
16 | |
17 namespace media { | |
18 namespace cast { | |
19 | |
20 class FrameInfo { | |
21 public: | |
22 FrameInfo(uint32 frame_id, | |
23 uint32 referenced_frame_id, | |
24 uint16 max_packet_id, | |
25 bool key_frame); | |
26 ~FrameInfo(); | |
27 | |
28 PacketType InsertPacket(uint16 packet_id); | |
29 bool Complete() const; | |
30 void GetMissingPackets(bool newest_frame, PacketIdSet* missing_packets) const; | |
31 | |
32 bool is_key_frame() const { return is_key_frame_; } | |
33 uint32 frame_id() const { return frame_id_; } | |
34 uint32 referenced_frame_id() const { return referenced_frame_id_; } | |
35 | |
36 private: | |
37 const bool is_key_frame_; | |
38 const uint32 frame_id_; | |
39 const uint32 referenced_frame_id_; | |
40 | |
41 uint16 max_received_packet_id_; | |
42 PacketIdSet missing_packets_; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(FrameInfo); | |
45 }; | |
46 | |
47 typedef std::map<uint32, linked_ptr<FrameInfo> > FrameMap; | |
48 | |
49 class FrameIdMap { | |
50 public: | |
51 FrameIdMap(); | |
52 ~FrameIdMap(); | |
53 | |
54 PacketType InsertPacket(const RtpCastHeader& rtp_header); | |
55 | |
56 bool Empty() const; | |
57 bool FrameExists(uint32 frame_id) const; | |
58 uint32 NewestFrameId() const; | |
59 | |
60 void RemoveOldFrames(uint32 frame_id); | |
61 void Clear(); | |
62 | |
63 // Identifies the next frame to be released (rendered). | |
64 bool NextContinuousFrame(uint32* frame_id) const; | |
65 uint32 LastContinuousFrame() const; | |
66 | |
67 bool NextFrameAllowingSkippingFrames(uint32* frame_id) const; | |
68 bool HaveMultipleDecodableFrames() const; | |
69 | |
70 int NumberOfCompleteFrames() const; | |
71 void GetMissingPackets(uint32 frame_id, | |
72 bool last_frame, | |
73 PacketIdSet* missing_packets) const; | |
74 | |
75 private: | |
76 bool ContinuousFrame(FrameInfo* frame) const; | |
77 bool DecodableFrame(FrameInfo* frame) const; | |
78 | |
79 FrameMap frame_map_; | |
80 bool waiting_for_key_; | |
81 uint32 last_released_frame_; | |
82 uint32 newest_frame_id_; | |
83 | |
84 DISALLOW_COPY_AND_ASSIGN(FrameIdMap); | |
85 }; | |
86 | |
87 } // namespace cast | |
88 } // namespace media | |
89 | |
90 #endif // MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_ | |
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