| // 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_FRAMER_H_ |
| #define MEDIA_CAST_FRAMER_FRAMER_H_ |
| |
| #include <map> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/linked_ptr.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/time/tick_clock.h" |
| #include "base/time/time.h" |
| #include "media/cast/framer/cast_message_builder.h" |
| #include "media/cast/framer/frame_buffer.h" |
| #include "media/cast/framer/frame_id_map.h" |
| #include "media/cast/rtcp/rtcp.h" |
| #include "media/cast/rtp_receiver/rtp_receiver_defines.h" |
| |
| namespace media { |
| namespace cast { |
| |
| typedef std::map<uint32, linked_ptr<FrameBuffer> > FrameList; |
| |
| class Framer { |
| public: |
| Framer(base::TickClock* clock, |
| RtpPayloadFeedback* incoming_payload_feedback, |
| uint32 ssrc, |
| bool decoder_faster_than_max_frame_rate, |
| int max_unacked_frames); |
| ~Framer(); |
| |
| // Return true when receiving the last packet in a frame, creating a |
| // complete frame. |
| bool InsertPacket(const uint8* payload_data, |
| size_t payload_size, |
| const RtpCastHeader& rtp_header); |
| |
| // Extracts a complete encoded frame - will only return a complete continuous |
| // frame. |
| // Returns false if the frame does not exist or if the frame is not complete |
| // within the given time frame. |
| bool GetEncodedVideoFrame(EncodedVideoFrame* video_frame, |
| uint32* rtp_timestamp, |
| bool* next_frame); |
| |
| bool GetEncodedAudioFrame(EncodedAudioFrame* audio_frame, |
| uint32* rtp_timestamp, |
| bool* next_frame); |
| |
| void ReleaseFrame(uint32 frame_id); |
| |
| // Reset framer state to original state and flush all pending buffers. |
| void Reset(); |
| bool TimeToSendNextCastMessage(base::TimeTicks* time_to_send); |
| void SendCastMessage(); |
| |
| private: |
| const bool decoder_faster_than_max_frame_rate_; |
| FrameList frames_; |
| FrameIdMap frame_id_map_; |
| |
| scoped_ptr<CastMessageBuilder> cast_msg_builder_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Framer); |
| }; |
| |
| } // namespace cast |
| } // namespace media |
| |
| #endif // MEDIA_CAST_FRAMER_FRAMER_H_ |