ARTPSource.cpp revision dc468c5f9d72ce54de0070493e9a23efb8907e06
1cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber/* 2cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * Copyright (C) 2010 The Android Open Source Project 3cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * 4cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 5cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * you may not use this file except in compliance with the License. 6cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * You may obtain a copy of the License at 7cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * 8cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 9cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * 10cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * Unless required by applicable law or agreed to in writing, software 11cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 12cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * See the License for the specific language governing permissions and 14cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber * limitations under the License. 15cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber */ 16cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 176e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber//#define LOG_NDEBUG 0 186e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#define LOG_TAG "ARTPSource" 196e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber#include <utils/Log.h> 206e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber 21cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include "ARTPSource.h" 22cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 2339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber#include "AAMRAssembler.h" 24cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include "AAVCAssembler.h" 2539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber#include "AH263Assembler.h" 26cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include "AMPEG4AudioAssembler.h" 2762cb04d23642a2ea7c005f050494c8ef3c370dd3Andreas Huber#include "AMPEG4ElementaryAssembler.h" 28cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include "ASessionDescription.h" 29cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 30cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <media/stagefright/foundation/ABuffer.h> 31cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <media/stagefright/foundation/ADebug.h> 32cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber#include <media/stagefright/foundation/AMessage.h> 33cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 34cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubernamespace android { 35cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 3639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huberstatic const uint32_t kSourceID = 0xdeadbeef; 3739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 38cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas HuberARTPSource::ARTPSource( 39cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t id, 40cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber const sp<ASessionDescription> &sessionDesc, size_t index, 41cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber const sp<AMessage> ¬ify) 42cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber : mID(id), 43cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mHighestSeqNumber(0), 44cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mNumBuffersReceived(0), 4539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastNTPTime(0), 4639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastNTPTimeUpdateUs(0), 4739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mIssueFIRRequests(false), 4839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastFIRRequestUs(-1), 49100a4408968b90e314526185d572c72ea4cc784aAndreas Huber mNextFIRSeqNo((rand() * 256.0) / RAND_MAX), 50100a4408968b90e314526185d572c72ea4cc784aAndreas Huber mNotify(notify) { 51cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber unsigned long PT; 52cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber AString desc; 53cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber AString params; 54cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber sessionDesc->getFormatType(index, &PT, &desc, ¶ms); 55cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 56cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (!strncmp(desc.c_str(), "H264/", 5)) { 57cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mAssembler = new AAVCAssembler(notify); 5839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mIssueFIRRequests = true; 5939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } else if (!strncmp(desc.c_str(), "MP4A-LATM/", 10)) { 60fc9ac988e08a8b4c42e58999300265989f26f24cAndreas Huber mAssembler = new AMPEG4AudioAssembler(notify, params); 6139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } else if (!strncmp(desc.c_str(), "H263-1998/", 10) 6239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber || !strncmp(desc.c_str(), "H263-2000/", 10)) { 6339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mAssembler = new AH263Assembler(notify); 64ff53123821a3ec2e71fdb1a971ea2cbae3119826Andreas Huber mIssueFIRRequests = true; 6539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } else if (!strncmp(desc.c_str(), "AMR/", 4)) { 6639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mAssembler = new AAMRAssembler(notify, false /* isWide */, params); 6739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } else if (!strncmp(desc.c_str(), "AMR-WB/", 7)) { 6839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mAssembler = new AAMRAssembler(notify, true /* isWide */, params); 694dba3e90f211eb5f5af19b10c5d3fc8c967b0086Andreas Huber } else if (!strncmp(desc.c_str(), "MP4V-ES/", 8) 70dc468c5f9d72ce54de0070493e9a23efb8907e06Andreas Huber || !strncasecmp(desc.c_str(), "mpeg4-generic/", 14)) { 714dba3e90f211eb5f5af19b10c5d3fc8c967b0086Andreas Huber mAssembler = new AMPEG4ElementaryAssembler(notify, desc, params); 7262cb04d23642a2ea7c005f050494c8ef3c370dd3Andreas Huber mIssueFIRRequests = true; 73cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } else { 74cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber TRESPASS(); 75cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 76cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 77cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 78cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberstatic uint32_t AbsDiff(uint32_t seq1, uint32_t seq2) { 79cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return seq1 > seq2 ? seq1 - seq2 : seq2 - seq1; 80cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 81cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 82cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPSource::processRTPPacket(const sp<ABuffer> &buffer) { 83100a4408968b90e314526185d572c72ea4cc784aAndreas Huber if (queuePacket(buffer) && mAssembler != NULL) { 84cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mAssembler->onPacketReceived(this); 85cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 86cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 87cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 88cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Hubervoid ARTPSource::timeUpdate(uint32_t rtpTime, uint64_t ntpTime) { 8939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastNTPTime = ntpTime; 9039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastNTPTimeUpdateUs = ALooper::GetNowUs(); 9139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 92100a4408968b90e314526185d572c72ea4cc784aAndreas Huber sp<AMessage> notify = mNotify->dup(); 93100a4408968b90e314526185d572c72ea4cc784aAndreas Huber notify->setInt32("time-update", true); 94100a4408968b90e314526185d572c72ea4cc784aAndreas Huber notify->setInt32("rtp-time", rtpTime); 95100a4408968b90e314526185d572c72ea4cc784aAndreas Huber notify->setInt64("ntp-time", ntpTime); 96100a4408968b90e314526185d572c72ea4cc784aAndreas Huber notify->post(); 97cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 98cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 99cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huberbool ARTPSource::queuePacket(const sp<ABuffer> &buffer) { 100cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t seqNum = (uint32_t)buffer->int32Data(); 101cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 102cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (mNumBuffersReceived++ == 0) { 103cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mHighestSeqNumber = seqNum; 104cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mQueue.push_back(buffer); 105cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return true; 106cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 107cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 108cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // Only the lower 16-bit of the sequence numbers are transmitted, 109cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // derive the high-order bits by choosing the candidate closest 110cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // to the highest sequence number (extended to 32 bits) received so far. 111cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 112cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t seq1 = seqNum | (mHighestSeqNumber & 0xffff0000); 113cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t seq2 = seqNum | ((mHighestSeqNumber & 0xffff0000) + 0x10000); 114cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t seq3 = seqNum | ((mHighestSeqNumber & 0xffff0000) - 0x10000); 115cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t diff1 = AbsDiff(seq1, mHighestSeqNumber); 116cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t diff2 = AbsDiff(seq2, mHighestSeqNumber); 117cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber uint32_t diff3 = AbsDiff(seq3, mHighestSeqNumber); 118cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 119cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (diff1 < diff2) { 120cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (diff1 < diff3) { 121cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // diff1 < diff2 ^ diff1 < diff3 122cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber seqNum = seq1; 123cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } else { 124cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // diff3 <= diff1 < diff2 125cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber seqNum = seq3; 126cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 127cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } else if (diff2 < diff3) { 128cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // diff2 <= diff1 ^ diff2 < diff3 129cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber seqNum = seq2; 130cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } else { 131cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber // diff3 <= diff2 <= diff1 132cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber seqNum = seq3; 133cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 134cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 135cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (seqNum > mHighestSeqNumber) { 136cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mHighestSeqNumber = seqNum; 137cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 138cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 139cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber buffer->setInt32Data(seqNum); 140cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 141cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber List<sp<ABuffer> >::iterator it = mQueue.begin(); 142cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber while (it != mQueue.end() && (uint32_t)(*it)->int32Data() < seqNum) { 143cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber ++it; 144cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 145cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 146cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber if (it != mQueue.end() && (uint32_t)(*it)->int32Data() == seqNum) { 1476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGW("Discarding duplicate buffer"); 148cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return false; 149cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber } 150cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 151cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber mQueue.insert(it, buffer); 152cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 153cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber return true; 154cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} 155cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 15639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Hubervoid ARTPSource::byeReceived() { 15739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mAssembler->onByeReceived(); 15839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber} 15939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 16039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Hubervoid ARTPSource::addFIR(const sp<ABuffer> &buffer) { 16139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (!mIssueFIRRequests) { 16239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return; 16339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 16439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 16539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber int64_t nowUs = ALooper::GetNowUs(); 16639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (mLastFIRRequestUs >= 0 && mLastFIRRequestUs + 5000000ll > nowUs) { 16739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber // Send FIR requests at most every 5 secs. 16839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return; 16939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 17039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 17139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber mLastFIRRequestUs = nowUs; 17239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 17339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (buffer->size() + 20 > buffer->capacity()) { 1746e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGW("RTCP buffer too small to accomodate FIR."); 17539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return; 17639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 17739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 17839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber uint8_t *data = buffer->data() + buffer->size(); 17939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 18039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[0] = 0x80 | 4; 18139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[1] = 206; // PSFB 18239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[2] = 0; 18339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[3] = 4; 18439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[4] = kSourceID >> 24; 18539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[5] = (kSourceID >> 16) & 0xff; 18639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[6] = (kSourceID >> 8) & 0xff; 18739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[7] = kSourceID & 0xff; 18839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 18939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[8] = 0x00; // SSRC of media source (unused) 19039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[9] = 0x00; 19139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[10] = 0x00; 19239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[11] = 0x00; 19339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 19439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[12] = mID >> 24; 19539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[13] = (mID >> 16) & 0xff; 19639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[14] = (mID >> 8) & 0xff; 19739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[15] = mID & 0xff; 19839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 19939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[16] = mNextFIRSeqNo++; // Seq Nr. 20039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 20139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[17] = 0x00; // Reserved 20239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[18] = 0x00; 20339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[19] = 0x00; 20439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 20539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber buffer->setRange(buffer->offset(), buffer->size() + 20); 20639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 2076e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("Added FIR request."); 20839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber} 20939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 21039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Hubervoid ARTPSource::addReceiverReport(const sp<ABuffer> &buffer) { 21139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (buffer->size() + 32 > buffer->capacity()) { 2126e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGW("RTCP buffer too small to accomodate RR."); 21339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber return; 21439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 21539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 21639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber uint8_t *data = buffer->data() + buffer->size(); 21739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 21839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[0] = 0x80 | 1; 21939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[1] = 201; // RR 22039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[2] = 0; 22139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[3] = 7; 22239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[4] = kSourceID >> 24; 22339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[5] = (kSourceID >> 16) & 0xff; 22439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[6] = (kSourceID >> 8) & 0xff; 22539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[7] = kSourceID & 0xff; 22639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 22739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[8] = mID >> 24; 22839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[9] = (mID >> 16) & 0xff; 22939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[10] = (mID >> 8) & 0xff; 23039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[11] = mID & 0xff; 23139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 23239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[12] = 0x00; // fraction lost 23339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 23439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[13] = 0x00; // cumulative lost 23539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[14] = 0x00; 23639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[15] = 0x00; 23739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 23839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[16] = mHighestSeqNumber >> 24; 23939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[17] = (mHighestSeqNumber >> 16) & 0xff; 24039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[18] = (mHighestSeqNumber >> 8) & 0xff; 24139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[19] = mHighestSeqNumber & 0xff; 24239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 24339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[20] = 0x00; // Interarrival jitter 24439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[21] = 0x00; 24539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[22] = 0x00; 24639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[23] = 0x00; 24739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 24839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber uint32_t LSR = 0; 24939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber uint32_t DLSR = 0; 25039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber if (mLastNTPTime != 0) { 25139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber LSR = (mLastNTPTime >> 16) & 0xffffffff; 25239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 25339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber DLSR = (uint32_t) 25439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber ((ALooper::GetNowUs() - mLastNTPTimeUpdateUs) * 65536.0 / 1E6); 25539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber } 25639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 25739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[24] = LSR >> 24; 25839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[25] = (LSR >> 16) & 0xff; 25939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[26] = (LSR >> 8) & 0xff; 26039ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[27] = LSR & 0xff; 26139ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 26239ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[28] = DLSR >> 24; 26339ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[29] = (DLSR >> 16) & 0xff; 26439ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[30] = (DLSR >> 8) & 0xff; 26539ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber data[31] = DLSR & 0xff; 26639ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 26739ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber buffer->setRange(buffer->offset(), buffer->size() + 32); 26839ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber} 26939ddf8e0f18766f7ba1e3246b774aa6ebd93eea8Andreas Huber 270cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber} // namespace android 271cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 272cf7b9c7aae758ac0b99833915053c63c2ac46e09Andreas Huber 273