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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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