OLD | NEW |
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/packet_storage.h" | 5 #include "media/cast/net/rtp/packet_storage.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "media/cast/constants.h" | 8 #include "media/cast/constants.h" |
9 | 9 |
10 namespace media { | 10 namespace media { |
11 namespace cast { | 11 namespace cast { |
12 | 12 |
13 PacketStorage::PacketStorage() | 13 PacketStorage::PacketStorage() |
14 : first_frame_id_in_list_(0), | 14 : first_frame_id_in_list_(0), |
15 zombie_count_(0) { | 15 zombie_count_(0) { |
16 } | 16 } |
17 | 17 |
18 PacketStorage::~PacketStorage() { | 18 PacketStorage::~PacketStorage() { |
19 } | 19 } |
20 | 20 |
21 size_t PacketStorage::GetNumberOfStoredFrames() const { | 21 size_t PacketStorage::GetNumberOfStoredFrames() const { |
22 return frames_.size() - zombie_count_; | 22 return frames_.size() - zombie_count_; |
23 } | 23 } |
24 | 24 |
25 void PacketStorage::StoreFrame(uint32 frame_id, | 25 void PacketStorage::StoreFrame(uint32_t frame_id, |
26 const SendPacketVector& packets) { | 26 const SendPacketVector& packets) { |
27 if (packets.empty()) { | 27 if (packets.empty()) { |
28 NOTREACHED(); | 28 NOTREACHED(); |
29 return; | 29 return; |
30 } | 30 } |
31 | 31 |
32 if (frames_.empty()) { | 32 if (frames_.empty()) { |
33 first_frame_id_in_list_ = frame_id; | 33 first_frame_id_in_list_ = frame_id; |
34 } else { | 34 } else { |
35 // Make sure frame IDs are consecutive. | 35 // Make sure frame IDs are consecutive. |
36 DCHECK_EQ(first_frame_id_in_list_ + static_cast<uint32>(frames_.size()), | 36 DCHECK_EQ(first_frame_id_in_list_ + static_cast<uint32_t>(frames_.size()), |
37 frame_id); | 37 frame_id); |
38 // Make sure we aren't being asked to store more frames than the system's | 38 // Make sure we aren't being asked to store more frames than the system's |
39 // design limit. | 39 // design limit. |
40 DCHECK_LT(frames_.size(), static_cast<size_t>(kMaxUnackedFrames)); | 40 DCHECK_LT(frames_.size(), static_cast<size_t>(kMaxUnackedFrames)); |
41 } | 41 } |
42 | 42 |
43 // Save new frame to the end of the list. | 43 // Save new frame to the end of the list. |
44 frames_.push_back(packets); | 44 frames_.push_back(packets); |
45 } | 45 } |
46 | 46 |
47 void PacketStorage::ReleaseFrame(uint32 frame_id) { | 47 void PacketStorage::ReleaseFrame(uint32_t frame_id) { |
48 const uint32 offset = frame_id - first_frame_id_in_list_; | 48 const uint32_t offset = frame_id - first_frame_id_in_list_; |
49 if (static_cast<int32>(offset) < 0 || offset >= frames_.size() || | 49 if (static_cast<int32_t>(offset) < 0 || offset >= frames_.size() || |
50 frames_[offset].empty()) { | 50 frames_[offset].empty()) { |
51 return; | 51 return; |
52 } | 52 } |
53 | 53 |
54 frames_[offset].clear(); | 54 frames_[offset].clear(); |
55 ++zombie_count_; | 55 ++zombie_count_; |
56 | 56 |
57 while (!frames_.empty() && frames_.front().empty()) { | 57 while (!frames_.empty() && frames_.front().empty()) { |
58 DCHECK_GT(zombie_count_, 0u); | 58 DCHECK_GT(zombie_count_, 0u); |
59 --zombie_count_; | 59 --zombie_count_; |
60 frames_.pop_front(); | 60 frames_.pop_front(); |
61 ++first_frame_id_in_list_; | 61 ++first_frame_id_in_list_; |
62 } | 62 } |
63 } | 63 } |
64 | 64 |
65 const SendPacketVector* PacketStorage::GetFrame8(uint8 frame_id_8bits) const { | 65 const SendPacketVector* PacketStorage::GetFrame8(uint8_t frame_id_8bits) const { |
66 // The requested frame ID has only 8-bits so convert the first frame ID | 66 // The requested frame ID has only 8-bits so convert the first frame ID |
67 // in list to match. | 67 // in list to match. |
68 uint8 index_8bits = first_frame_id_in_list_ & 0xFF; | 68 uint8_t index_8bits = first_frame_id_in_list_ & 0xFF; |
69 index_8bits = frame_id_8bits - index_8bits; | 69 index_8bits = frame_id_8bits - index_8bits; |
70 if (index_8bits >= frames_.size()) | 70 if (index_8bits >= frames_.size()) |
71 return NULL; | 71 return NULL; |
72 const SendPacketVector& packets = frames_[index_8bits]; | 72 const SendPacketVector& packets = frames_[index_8bits]; |
73 return packets.empty() ? NULL : &packets; | 73 return packets.empty() ? NULL : &packets; |
74 } | 74 } |
75 | 75 |
76 } // namespace cast | 76 } // namespace cast |
77 } // namespace media | 77 } // namespace media |
OLD | NEW |