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Side by Side Diff: media/cast/sender/congestion_control.cc

Issue 1542013004: Switch to standard integer types in media/, take 2. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more stddef Created 5 years ago
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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 // The purpose of this file is determine what bitrate to use for mirroring. 5 // The purpose of this file is determine what bitrate to use for mirroring.
6 // Ideally this should be as much as possible, without causing any frames to 6 // Ideally this should be as much as possible, without causing any frames to
7 // arrive late. 7 // arrive late.
8 8
9 // The current algorithm is to measure how much bandwidth we've been using 9 // The current algorithm is to measure how much bandwidth we've been using
10 // recently. We also keep track of how much data has been queued up for sending 10 // recently. We also keep track of how much data has been queued up for sending
11 // in a virtual "buffer" (this virtual buffer represents all the buffers between 11 // in a virtual "buffer" (this virtual buffer represents all the buffers between
12 // the sender and the receiver, including retransmissions and so forth.) 12 // the sender and the receiver, including retransmissions and so forth.)
13 // If we estimate that our virtual buffer is mostly empty, we try to use 13 // If we estimate that our virtual buffer is mostly empty, we try to use
14 // more bandwidth than our recent usage, otherwise we use less. 14 // more bandwidth than our recent usage, otherwise we use less.
15 15
16 #include "media/cast/sender/congestion_control.h" 16 #include "media/cast/sender/congestion_control.h"
17 17
18 #include <algorithm> 18 #include <algorithm>
19 #include <deque> 19 #include <deque>
20 20
21 #include "base/logging.h" 21 #include "base/logging.h"
22 #include "base/macros.h"
22 #include "base/trace_event/trace_event.h" 23 #include "base/trace_event/trace_event.h"
23 #include "media/cast/cast_defines.h" 24 #include "media/cast/cast_defines.h"
24 #include "media/cast/constants.h" 25 #include "media/cast/constants.h"
25 26
26 namespace media { 27 namespace media {
27 namespace cast { 28 namespace cast {
28 29
29 class AdaptiveCongestionControl : public CongestionControl { 30 class AdaptiveCongestionControl : public CongestionControl {
30 public: 31 public:
31 AdaptiveCongestionControl(base::TickClock* clock, 32 AdaptiveCongestionControl(base::TickClock* clock,
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364 empty_buffer_fraction); 365 empty_buffer_fraction);
365 bits_per_second = std::min(bits_per_second, soft_max_bitrate); 366 bits_per_second = std::min(bits_per_second, soft_max_bitrate);
366 bits_per_second = std::max(bits_per_second, min_bitrate_configured_); 367 bits_per_second = std::max(bits_per_second, min_bitrate_configured_);
367 bits_per_second = std::min(bits_per_second, max_bitrate_configured_); 368 bits_per_second = std::min(bits_per_second, max_bitrate_configured_);
368 369
369 return bits_per_second; 370 return bits_per_second;
370 } 371 }
371 372
372 } // namespace cast 373 } // namespace cast
373 } // namespace media 374 } // namespace media
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