9d3ab61325
Trying to submit all changes at once proved impossible since there were too many changes in too many files. The changes to PRESUBMIT.py will be uploaded in the last CL. (original CL: https://codereview.webrtc.org/1528503003/) BUG=webrtc:5309 TBR=mflodman@webrtc.org Review URL: https://codereview.webrtc.org/1543503002 Cr-Commit-Position: refs/heads/master@{#11102}
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
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#define WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
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#include "webrtc/typedefs.h"
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namespace webrtc {
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// Used to estimate rolling average of packets per frame.
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static const float kFastConvergeMultiplier = 0.4f;
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static const float kNormalConvergeMultiplier = 0.2f;
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enum { kMaxNumberOfFrames = 300 };
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enum { kStartNumberOfFrames = 6 };
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enum { kMaxVideoDelayMs = 10000 };
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enum { kPacketsPerFrameMultiplier = 5 };
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enum { kFastConvergeThreshold = 5 };
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enum VCMJitterBufferEnum {
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kMaxConsecutiveOldFrames = 60,
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kMaxConsecutiveOldPackets = 300,
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// TODO(sprang): Reduce this limit once codecs don't sometimes wildly
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// overshoot bitrate target.
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kMaxPacketsInSession = 1400, // Allows ~2MB frames.
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kBufferIncStepSizeBytes = 30000, // >20 packets.
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kMaxJBFrameSizeBytes = 4000000 // sanity don't go above 4Mbyte.
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};
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enum VCMFrameBufferEnum {
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kOutOfBoundsPacket = -7,
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kNotInitialized = -6,
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kOldPacket = -5,
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kGeneralError = -4,
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kFlushIndicator = -3, // Indicator that a flush has occurred.
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kTimeStampError = -2,
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kSizeError = -1,
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kNoError = 0,
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kIncomplete = 1, // Frame incomplete.
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kCompleteSession = 3, // at least one layer in the frame complete.
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kDecodableSession = 4, // Frame incomplete, but ready to be decoded
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kDuplicatePacket = 5 // We're receiving a duplicate packet.
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};
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enum VCMFrameBufferStateEnum {
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kStateEmpty, // frame popped by the RTP receiver
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kStateIncomplete, // frame that have one or more packet(s) stored
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kStateComplete, // frame that have all packets
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kStateDecodable // Hybrid mode - frame can be decoded
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};
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enum { kH264StartCodeLengthBytes = 4 };
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// Used to indicate if a received packet contain a complete NALU (or equivalent)
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enum VCMNaluCompleteness {
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kNaluUnset = 0, // Packet has not been filled.
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kNaluComplete = 1, // Packet can be decoded as is.
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kNaluStart, // Packet contain beginning of NALU
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kNaluIncomplete, // Packet is not beginning or end of NALU
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kNaluEnd, // Packet is the end of a NALU
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
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