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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 kMaxPacketsInSession = 800, | 31 // TODO(sprang): Reduce this limit once codecs don't sometimes wildly |
| 32 kBufferIncStepSizeBytes = 30000, // >20 packets. | 32 // overshoot bitrate target. |
| 33 kMaxJBFrameSizeBytes = 4000000 // sanity don't go above 4Mbyte. | 33 kMaxPacketsInSession = 1400, // Allows ~2MB frames. |
| 34 kBufferIncStepSizeBytes = 30000, // >20 packets. |
| 35 kMaxJBFrameSizeBytes = 4000000 // sanity don't go above 4Mbyte. |
| 34 }; | 36 }; |
| 35 | 37 |
| 36 enum VCMFrameBufferEnum { | 38 enum VCMFrameBufferEnum { |
| 37 kOutOfBoundsPacket = -7, | 39 kOutOfBoundsPacket = -7, |
| 38 kNotInitialized = -6, | 40 kNotInitialized = -6, |
| 39 kOldPacket = -5, | 41 kOldPacket = -5, |
| 40 kGeneralError = -4, | 42 kGeneralError = -4, |
| 41 kFlushIndicator = -3, // Indicator that a flush has occurred. | 43 kFlushIndicator = -3, // Indicator that a flush has occurred. |
| 42 kTimeStampError = -2, | 44 kTimeStampError = -2, |
| 43 kSizeError = -1, | 45 kSizeError = -1, |
| (...skipping 17 matching lines...) Expand all Loading... |
| 61 enum VCMNaluCompleteness { | 63 enum VCMNaluCompleteness { |
| 62 kNaluUnset = 0, // Packet has not been filled. | 64 kNaluUnset = 0, // Packet has not been filled. |
| 63 kNaluComplete = 1, // Packet can be decoded as is. | 65 kNaluComplete = 1, // Packet can be decoded as is. |
| 64 kNaluStart, // Packet contain beginning of NALU | 66 kNaluStart, // Packet contain beginning of NALU |
| 65 kNaluIncomplete, // Packet is not beginning or end of NALU | 67 kNaluIncomplete, // Packet is not beginning or end of NALU |
| 66 kNaluEnd, // Packet is the end of a NALU | 68 kNaluEnd, // Packet is the end of a NALU |
| 67 }; | 69 }; |
| 68 } // namespace webrtc | 70 } // namespace webrtc |
| 69 | 71 |
| 70 #endif // WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_ | 72 #endif // WEBRTC_MODULES_VIDEO_CODING_JITTER_BUFFER_COMMON_H_ |
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