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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); |
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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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