| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_ |
| #define MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_ |
| |
| #include <map> |
| #include <set> |
| |
| #include "base/memory/linked_ptr.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "media/cast/cast_config.h" |
| #include "media/cast/rtcp/rtcp_defines.h" |
| #include "media/cast/rtp_receiver/rtp_receiver_defines.h" |
| |
| namespace media { |
| namespace cast { |
| |
| class FrameInfo { |
| public: |
| FrameInfo(uint32 frame_id, |
| uint32 referenced_frame_id, |
| uint16 max_packet_id, |
| bool key_frame); |
| ~FrameInfo(); |
| |
| PacketType InsertPacket(uint16 packet_id); |
| bool Complete() const; |
| void GetMissingPackets(bool newest_frame, PacketIdSet* missing_packets) const; |
| |
| bool is_key_frame() const { return is_key_frame_; } |
| uint32 frame_id() const { return frame_id_; } |
| uint32 referenced_frame_id() const { return referenced_frame_id_; } |
| |
| private: |
| const bool is_key_frame_; |
| const uint32 frame_id_; |
| const uint32 referenced_frame_id_; |
| |
| uint16 max_received_packet_id_; |
| PacketIdSet missing_packets_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FrameInfo); |
| }; |
| |
| typedef std::map<uint32, linked_ptr<FrameInfo> > FrameMap; |
| |
| class FrameIdMap { |
| public: |
| FrameIdMap(); |
| ~FrameIdMap(); |
| |
| PacketType InsertPacket(const RtpCastHeader& rtp_header); |
| |
| bool Empty() const; |
| bool FrameExists(uint32 frame_id) const; |
| uint32 NewestFrameId() const; |
| |
| void RemoveOldFrames(uint32 frame_id); |
| void Clear(); |
| |
| // Identifies the next frame to be released (rendered). |
| bool NextContinuousFrame(uint32* frame_id) const; |
| uint32 LastContinuousFrame() const; |
| |
| bool NextFrameAllowingSkippingFrames(uint32* frame_id) const; |
| bool HaveMultipleDecodableFrames() const; |
| |
| int NumberOfCompleteFrames() const; |
| void GetMissingPackets(uint32 frame_id, |
| bool last_frame, |
| PacketIdSet* missing_packets) const; |
| |
| private: |
| bool ContinuousFrame(FrameInfo* frame) const; |
| bool DecodableFrame(FrameInfo* frame) const; |
| |
| FrameMap frame_map_; |
| bool waiting_for_key_; |
| uint32 last_released_frame_; |
| uint32 newest_frame_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FrameIdMap); |
| }; |
| |
| } // namespace cast |
| } // namespace media |
| |
| #endif // MEDIA_CAST_FRAMER_FRAME_ID_MAP_H_ |