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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/modules/rtp_rtcp/source/ulpfec_generator.h" | 11 #include "webrtc/modules/rtp_rtcp/source/ulpfec_generator.h" |
12 | 12 |
13 #include <memory> | 13 #include <memory> |
14 #include <utility> | 14 #include <utility> |
15 | 15 |
16 #include "webrtc/base/basictypes.h" | |
17 #include "webrtc/base/checks.h" | |
18 #include "webrtc/modules/rtp_rtcp/source/byte_io.h" | 16 #include "webrtc/modules/rtp_rtcp/source/byte_io.h" |
19 #include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h" | 17 #include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h" |
20 #include "webrtc/modules/rtp_rtcp/source/rtp_utility.h" | 18 #include "webrtc/modules/rtp_rtcp/source/rtp_utility.h" |
| 19 #include "webrtc/rtc_base/basictypes.h" |
| 20 #include "webrtc/rtc_base/checks.h" |
21 | 21 |
22 namespace webrtc { | 22 namespace webrtc { |
23 | 23 |
24 namespace { | 24 namespace { |
25 | 25 |
26 constexpr size_t kRedForFecHeaderLength = 1; | 26 constexpr size_t kRedForFecHeaderLength = 1; |
27 | 27 |
28 // This controls the maximum amount of excess overhead (actual - target) | 28 // This controls the maximum amount of excess overhead (actual - target) |
29 // allowed in order to trigger EncodeFec(), before |params_.max_fec_frames| | 29 // allowed in order to trigger EncodeFec(), before |params_.max_fec_frames| |
30 // is reached. Overhead here is defined as relative to number of media packets. | 30 // is reached. Overhead here is defined as relative to number of media packets. |
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249 return (num_fec_packets << 8) / media_packets_.size(); | 249 return (num_fec_packets << 8) / media_packets_.size(); |
250 } | 250 } |
251 | 251 |
252 void UlpfecGenerator::ResetState() { | 252 void UlpfecGenerator::ResetState() { |
253 media_packets_.clear(); | 253 media_packets_.clear(); |
254 generated_fec_packets_.clear(); | 254 generated_fec_packets_.clear(); |
255 num_protected_frames_ = 0; | 255 num_protected_frames_ = 0; |
256 } | 256 } |
257 | 257 |
258 } // namespace webrtc | 258 } // namespace webrtc |
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