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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/cast/net/rtp/frame_buffer.h" | 5 #include "media/cast/net/rtp/frame_buffer.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 | 8 |
| 9 namespace media { | 9 namespace media { |
| 10 namespace cast { | 10 namespace cast { |
| 11 | 11 |
| 12 FrameBuffer::FrameBuffer() | 12 FrameBuffer::FrameBuffer() |
| 13 : frame_id_(0), | 13 : frame_id_(0), |
| 14 max_packet_id_(0), | 14 max_packet_id_(0), |
| 15 num_packets_received_(0), | 15 num_packets_received_(0), |
| 16 max_seen_packet_id_(0), | 16 max_seen_packet_id_(0), |
| 17 new_playout_delay_ms_(0), | 17 new_playout_delay_ms_(0), |
| 18 is_key_frame_(false), | 18 is_key_frame_(false), |
| 19 total_data_size_(0), | 19 total_data_size_(0), |
| 20 last_referenced_frame_id_(0), | 20 last_referenced_frame_id_(0), |
| 21 packets_() {} | 21 packets_() {} |
| 22 | 22 |
| 23 FrameBuffer::~FrameBuffer() {} | 23 FrameBuffer::~FrameBuffer() {} |
| 24 | 24 |
| 25 bool FrameBuffer::InsertPacket(const uint8* payload_data, | 25 bool FrameBuffer::InsertPacket(const uint8_t* payload_data, |
| 26 size_t payload_size, | 26 size_t payload_size, |
| 27 const RtpCastHeader& rtp_header) { | 27 const RtpCastHeader& rtp_header) { |
| 28 // Is this the first packet in the frame? | 28 // Is this the first packet in the frame? |
| 29 if (packets_.empty()) { | 29 if (packets_.empty()) { |
| 30 frame_id_ = rtp_header.frame_id; | 30 frame_id_ = rtp_header.frame_id; |
| 31 max_packet_id_ = rtp_header.max_packet_id; | 31 max_packet_id_ = rtp_header.max_packet_id; |
| 32 is_key_frame_ = rtp_header.is_key_frame; | 32 is_key_frame_ = rtp_header.is_key_frame; |
| 33 new_playout_delay_ms_ = rtp_header.new_playout_delay_ms; | 33 new_playout_delay_ms_ = rtp_header.new_playout_delay_ms; |
| 34 if (is_key_frame_) | 34 if (is_key_frame_) |
| 35 DCHECK_EQ(rtp_header.frame_id, rtp_header.reference_frame_id); | 35 DCHECK_EQ(rtp_header.frame_id, rtp_header.reference_frame_id); |
| 36 last_referenced_frame_id_ = rtp_header.reference_frame_id; | 36 last_referenced_frame_id_ = rtp_header.reference_frame_id; |
| 37 rtp_timestamp_ = rtp_header.rtp_timestamp; | 37 rtp_timestamp_ = rtp_header.rtp_timestamp; |
| 38 } | 38 } |
| 39 // Is this the correct frame? | 39 // Is this the correct frame? |
| 40 if (rtp_header.frame_id != frame_id_) | 40 if (rtp_header.frame_id != frame_id_) |
| 41 return false; | 41 return false; |
| 42 | 42 |
| 43 // Insert every packet only once. | 43 // Insert every packet only once. |
| 44 if (packets_.find(rtp_header.packet_id) != packets_.end()) { | 44 if (packets_.find(rtp_header.packet_id) != packets_.end()) { |
| 45 return false; | 45 return false; |
| 46 } | 46 } |
| 47 | 47 |
| 48 std::vector<uint8> data; | 48 std::vector<uint8_t> data; |
| 49 std::pair<PacketMap::iterator, bool> retval = | 49 std::pair<PacketMap::iterator, bool> retval = |
| 50 packets_.insert(make_pair(rtp_header.packet_id, data)); | 50 packets_.insert(make_pair(rtp_header.packet_id, data)); |
| 51 | 51 |
| 52 // Insert the packet. | 52 // Insert the packet. |
| 53 retval.first->second.resize(payload_size); | 53 retval.first->second.resize(payload_size); |
| 54 std::copy( | 54 std::copy( |
| 55 payload_data, payload_data + payload_size, retval.first->second.begin()); | 55 payload_data, payload_data + payload_size, retval.first->second.begin()); |
| 56 | 56 |
| 57 ++num_packets_received_; | 57 ++num_packets_received_; |
| 58 max_seen_packet_id_ = std::max(max_seen_packet_id_, rtp_header.packet_id); | 58 max_seen_packet_id_ = std::max(max_seen_packet_id_, rtp_header.packet_id); |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 107 } | 107 } |
| 108 while (packet <= maximum) { | 108 while (packet <= maximum) { |
| 109 missing_packets->insert(packet); | 109 missing_packets->insert(packet); |
| 110 packet++; | 110 packet++; |
| 111 } | 111 } |
| 112 } | 112 } |
| 113 | 113 |
| 114 | 114 |
| 115 } // namespace cast | 115 } // namespace cast |
| 116 } // namespace media | 116 } // namespace media |
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