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375b346b30
Bug: webrtc:8064 Change-Id: I345f342a314d88390fff8b305b121076b45a51e8 Reviewed-on: https://webrtc-review.googlesource.com/c/116692 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26283}
59 lines
2 KiB
C++
59 lines
2 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 MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
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#define MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_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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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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};
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enum { kH264StartCodeLengthBytes = 4 };
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_
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