7b859cc1e9
BUG= Review URL: https://webrtc-codereview.appspot.com/1279004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3753 4adac7df-926f-26a2-2b94-8c16560cd09d
120 lines
3.2 KiB
C++
120 lines
3.2 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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#include "packet.h"
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#include "module_common_types.h"
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#include <assert.h>
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namespace webrtc {
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VCMPacket::VCMPacket()
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:
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payloadType(0),
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timestamp(0),
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seqNum(0),
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dataPtr(NULL),
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sizeBytes(0),
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markerBit(false),
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frameType(kFrameEmpty),
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codec(kVideoCodecUnknown),
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isFirstPacket(false),
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completeNALU(kNaluUnset),
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insertStartCode(false),
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codecSpecificHeader() {
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}
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VCMPacket::VCMPacket(const uint8_t* ptr,
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const uint32_t size,
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const WebRtcRTPHeader& rtpHeader) :
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payloadType(rtpHeader.header.payloadType),
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timestamp(rtpHeader.header.timestamp),
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seqNum(rtpHeader.header.sequenceNumber),
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dataPtr(ptr),
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sizeBytes(size),
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markerBit(rtpHeader.header.markerBit),
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frameType(rtpHeader.frameType),
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codec(kVideoCodecUnknown),
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isFirstPacket(rtpHeader.type.Video.isFirstPacket),
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completeNALU(kNaluComplete),
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insertStartCode(false),
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codecSpecificHeader(rtpHeader.type.Video)
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{
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CopyCodecSpecifics(rtpHeader.type.Video);
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}
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VCMPacket::VCMPacket(const uint8_t* ptr, uint32_t size, uint16_t seq, uint32_t ts, bool mBit) :
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payloadType(0),
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timestamp(ts),
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seqNum(seq),
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dataPtr(ptr),
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sizeBytes(size),
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markerBit(mBit),
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frameType(kVideoFrameDelta),
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codec(kVideoCodecUnknown),
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isFirstPacket(false),
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completeNALU(kNaluComplete),
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insertStartCode(false),
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codecSpecificHeader()
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{}
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void VCMPacket::Reset() {
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payloadType = 0;
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timestamp = 0;
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seqNum = 0;
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dataPtr = NULL;
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sizeBytes = 0;
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markerBit = false;
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frameType = kFrameEmpty;
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codec = kVideoCodecUnknown;
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isFirstPacket = false;
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completeNALU = kNaluUnset;
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insertStartCode = false;
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memset(&codecSpecificHeader, 0, sizeof(RTPVideoHeader));
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}
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void VCMPacket::CopyCodecSpecifics(const RTPVideoHeader& videoHeader)
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{
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switch(videoHeader.codec)
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{
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case kRTPVideoVP8:
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{
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// Handle all packets within a frame as depending on the previous packet
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// TODO(holmer): This should be changed to make fragments independent
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// when the VP8 RTP receiver supports fragments.
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if (isFirstPacket && markerBit)
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completeNALU = kNaluComplete;
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else if (isFirstPacket)
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completeNALU = kNaluStart;
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else if (markerBit)
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completeNALU = kNaluEnd;
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else
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completeNALU = kNaluIncomplete;
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codec = kVideoCodecVP8;
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break;
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}
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case kRTPVideoI420:
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{
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codec = kVideoCodecI420;
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break;
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}
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default:
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{
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codec = kVideoCodecUnknown;
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break;
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}
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}
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}
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}
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