1 // Copyright 2014 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.
5 #ifndef MEDIA_CAST_FRAMER_FRAMER_H_
6 #define MEDIA_CAST_FRAMER_FRAMER_H_
10 #include "base/basictypes.h"
11 #include "base/memory/linked_ptr.h"
12 #include "base/memory/scoped_ptr.h"
13 #include "base/time/tick_clock.h"
14 #include "base/time/time.h"
15 #include "media/cast/net/rtcp/rtcp.h"
16 #include "media/cast/net/rtp/cast_message_builder.h"
17 #include "media/cast/net/rtp/frame_buffer.h"
18 #include "media/cast/net/rtp/frame_id_map.h"
19 #include "media/cast/net/rtp/rtp_receiver_defines.h"
24 typedef std::map<uint32, linked_ptr<FrameBuffer> > FrameList;
28 Framer(base::TickClock* clock,
29 RtpPayloadFeedback* incoming_payload_feedback,
31 bool decoder_faster_than_max_frame_rate,
32 int max_unacked_frames);
35 // Return true when receiving the last packet in a frame, creating a
36 // complete frame. If a duplicate packet for an already complete frame is
37 // received, the function returns false but sets |duplicate| to true.
38 bool InsertPacket(const uint8* payload_data,
40 const RtpCastHeader& rtp_header,
43 // Extracts a complete encoded frame - will only return a complete and
44 // decodable frame. Returns false if no such frames exist.
45 // |next_frame| will be set to true if the returned frame is the very
46 // next frame. |have_multiple_complete_frames| will be set to true
47 // if there are more decodadble frames available.
48 bool GetEncodedFrame(EncodedFrame* video_frame,
50 bool* have_multiple_complete_frames);
52 void ReleaseFrame(uint32 frame_id);
54 // Reset framer state to original state and flush all pending buffers.
56 bool TimeToSendNextCastMessage(base::TimeTicks* time_to_send);
57 void SendCastMessage();
60 const bool decoder_faster_than_max_frame_rate_;
62 FrameIdMap frame_id_map_;
64 scoped_ptr<CastMessageBuilder> cast_msg_builder_;
66 DISALLOW_COPY_AND_ASSIGN(Framer);
72 #endif // MEDIA_CAST_FRAMER_FRAMER_H_