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Side by Side Diff: webrtc/modules/video_coding/jitter_buffer_common.h

Issue 1528503003: Lint enabled for webrtc/modules/video_coding folder. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebase Created 5 years ago
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1 /* 1 /*
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2011 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 #ifndef WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_ 11 #ifndef WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
12 #define WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_ 12 #define WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
13 13
14 #include "webrtc/typedefs.h" 14 #include "webrtc/typedefs.h"
15 15
16 namespace webrtc { 16 namespace webrtc {
17 17
18 // Used to estimate rolling average of packets per frame. 18 // Used to estimate rolling average of packets per frame.
19 static const float kFastConvergeMultiplier = 0.4f; 19 static const float kFastConvergeMultiplier = 0.4f;
20 static const float kNormalConvergeMultiplier = 0.2f; 20 static const float kNormalConvergeMultiplier = 0.2f;
21 21
22 enum { kMaxNumberOfFrames = 300 }; 22 enum { kMaxNumberOfFrames = 300 };
23 enum { kStartNumberOfFrames = 6 }; 23 enum { kStartNumberOfFrames = 6 };
24 enum { kMaxVideoDelayMs = 10000 }; 24 enum { kMaxVideoDelayMs = 10000 };
25 enum { kPacketsPerFrameMultiplier = 5 }; 25 enum { kPacketsPerFrameMultiplier = 5 };
26 enum { kFastConvergeThreshold = 5}; 26 enum { kFastConvergeThreshold = 5 };
27 27
28 enum VCMJitterBufferEnum { 28 enum VCMJitterBufferEnum {
29 kMaxConsecutiveOldFrames = 60, 29 kMaxConsecutiveOldFrames = 60,
30 kMaxConsecutiveOldPackets = 300, 30 kMaxConsecutiveOldPackets = 300,
31 // TODO(sprang): Reduce this limit once codecs don't sometimes wildly 31 // TODO(sprang): Reduce this limit once codecs don't sometimes wildly
32 // overshoot bitrate target. 32 // overshoot bitrate target.
33 kMaxPacketsInSession = 1400, // Allows ~2MB frames. 33 kMaxPacketsInSession = 1400, // Allows ~2MB frames.
34 kBufferIncStepSizeBytes = 30000, // >20 packets. 34 kBufferIncStepSizeBytes = 30000, // >20 packets.
35 kMaxJBFrameSizeBytes = 4000000 // sanity don't go above 4Mbyte. 35 kMaxJBFrameSizeBytes = 4000000 // sanity don't go above 4Mbyte.
36 }; 36 };
37 37
38 enum VCMFrameBufferEnum { 38 enum VCMFrameBufferEnum {
39 kOutOfBoundsPacket = -7, 39 kOutOfBoundsPacket = -7,
40 kNotInitialized = -6, 40 kNotInitialized = -6,
41 kOldPacket = -5, 41 kOldPacket = -5,
42 kGeneralError = -4, 42 kGeneralError = -4,
43 kFlushIndicator = -3, // Indicator that a flush has occurred. 43 kFlushIndicator = -3, // Indicator that a flush has occurred.
44 kTimeStampError = -2, 44 kTimeStampError = -2,
45 kSizeError = -1, 45 kSizeError = -1,
46 kNoError = 0, 46 kNoError = 0,
47 kIncomplete = 1, // Frame incomplete. 47 kIncomplete = 1, // Frame incomplete.
48 kCompleteSession = 3, // at least one layer in the frame complete. 48 kCompleteSession = 3, // at least one layer in the frame complete.
49 kDecodableSession = 4, // Frame incomplete, but ready to be decoded 49 kDecodableSession = 4, // Frame incomplete, but ready to be decoded
50 kDuplicatePacket = 5 // We're receiving a duplicate packet. 50 kDuplicatePacket = 5 // We're receiving a duplicate packet.
51 }; 51 };
52 52
53 enum VCMFrameBufferStateEnum { 53 enum VCMFrameBufferStateEnum {
54 kStateEmpty, // frame popped by the RTP receiver 54 kStateEmpty, // frame popped by the RTP receiver
55 kStateIncomplete, // frame that have one or more packet(s) stored 55 kStateIncomplete, // frame that have one or more packet(s) stored
56 kStateComplete, // frame that have all packets 56 kStateComplete, // frame that have all packets
57 kStateDecodable // Hybrid mode - frame can be decoded 57 kStateDecodable // Hybrid mode - frame can be decoded
58 }; 58 };
59 59
60 enum { kH264StartCodeLengthBytes = 4}; 60 enum { kH264StartCodeLengthBytes = 4 };
61 61
62 // Used to indicate if a received packet contain a complete NALU (or equivalent) 62 // Used to indicate if a received packet contain a complete NALU (or equivalent)
63 enum VCMNaluCompleteness { 63 enum VCMNaluCompleteness {
64 kNaluUnset = 0, // Packet has not been filled. 64 kNaluUnset = 0, // Packet has not been filled.
65 kNaluComplete = 1, // Packet can be decoded as is. 65 kNaluComplete = 1, // Packet can be decoded as is.
66 kNaluStart, // Packet contain beginning of NALU 66 kNaluStart, // Packet contain beginning of NALU
67 kNaluIncomplete, // Packet is not beginning or end of NALU 67 kNaluIncomplete, // Packet is not beginning or end of NALU
68 kNaluEnd, // Packet is the end of a NALU 68 kNaluEnd, // Packet is the end of a NALU
69 }; 69 };
70 } // namespace webrtc 70 } // namespace webrtc
71 71
72 #endif // WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_ 72 #endif // WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
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