Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef MY_HANDLER_H_ |
| 18 | |
| 19 | #define MY_HANDLER_H_ |
| 20 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 21 | //#define LOG_NDEBUG 0 |
| 22 | #define LOG_TAG "MyHandler" |
| 23 | #include <utils/Log.h> |
| 24 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 25 | #include "APacketSource.h" |
| 26 | #include "ARTPConnection.h" |
| 27 | #include "ARTSPConnection.h" |
| 28 | #include "ASessionDescription.h" |
| 29 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 30 | #include <ctype.h> |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 31 | #include <cutils/properties.h> |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 32 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 33 | #include <media/stagefright/foundation/ABuffer.h> |
| 34 | #include <media/stagefright/foundation/ADebug.h> |
| 35 | #include <media/stagefright/foundation/ALooper.h> |
| 36 | #include <media/stagefright/foundation/AMessage.h> |
| 37 | #include <media/stagefright/MediaErrors.h> |
| 38 | |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 39 | #include <arpa/inet.h> |
| 40 | #include <sys/socket.h> |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 41 | #include <netdb.h> |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 42 | |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 43 | // If no access units are received within 5 secs, assume that the rtp |
Andreas Huber | f6639c4 | 2010-08-30 09:53:52 -0700 | [diff] [blame] | 44 | // stream has ended and signal end of stream. |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 45 | static int64_t kAccessUnitTimeoutUs = 5000000ll; |
Andreas Huber | f6639c4 | 2010-08-30 09:53:52 -0700 | [diff] [blame] | 46 | |
| 47 | // If no access units arrive for the first 10 secs after starting the |
| 48 | // stream, assume none ever will and signal EOS or switch transports. |
| 49 | static int64_t kStartupTimeoutUs = 10000000ll; |
| 50 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 51 | namespace android { |
| 52 | |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 53 | static void MakeUserAgentString(AString *s) { |
| 54 | s->setTo("stagefright/1.1 (Linux;Android "); |
| 55 | |
| 56 | #if (PROPERTY_VALUE_MAX < 8) |
| 57 | #error "PROPERTY_VALUE_MAX must be at least 8" |
| 58 | #endif |
| 59 | |
| 60 | char value[PROPERTY_VALUE_MAX]; |
| 61 | property_get("ro.build.version.release", value, "Unknown"); |
| 62 | s->append(value); |
| 63 | s->append(")"); |
| 64 | } |
| 65 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 66 | static bool GetAttribute(const char *s, const char *key, AString *value) { |
| 67 | value->clear(); |
| 68 | |
| 69 | size_t keyLen = strlen(key); |
| 70 | |
| 71 | for (;;) { |
| 72 | while (isspace(*s)) { |
| 73 | ++s; |
| 74 | } |
| 75 | |
| 76 | const char *colonPos = strchr(s, ';'); |
| 77 | |
| 78 | size_t len = |
| 79 | (colonPos == NULL) ? strlen(s) : colonPos - s; |
| 80 | |
| 81 | if (len >= keyLen + 1 && s[keyLen] == '=' && !strncmp(s, key, keyLen)) { |
| 82 | value->setTo(&s[keyLen + 1], len - keyLen - 1); |
| 83 | return true; |
| 84 | } |
| 85 | |
| 86 | if (colonPos == NULL) { |
| 87 | return false; |
| 88 | } |
| 89 | |
| 90 | s = colonPos + 1; |
| 91 | } |
| 92 | } |
| 93 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 94 | struct MyHandler : public AHandler { |
| 95 | MyHandler(const char *url, const sp<ALooper> &looper) |
| 96 | : mLooper(looper), |
Andreas Huber | 4e4173b | 2010-07-22 09:20:13 -0700 | [diff] [blame] | 97 | mNetLooper(new ALooper), |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 98 | mConn(new ARTSPConnection), |
| 99 | mRTPConn(new ARTPConnection), |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 100 | mOriginalSessionURL(url), |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 101 | mSessionURL(url), |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 102 | mSetupTracksSuccessful(false), |
| 103 | mSeekPending(false), |
| 104 | mFirstAccessUnit(true), |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 105 | mNTPAnchorUs(-1), |
| 106 | mMediaAnchorUs(-1), |
| 107 | mLastMediaTimeUs(0), |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 108 | mNumAccessUnitsReceived(0), |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 109 | mCheckPending(false), |
Andreas Huber | e51e809 | 2010-10-08 09:04:25 -0700 | [diff] [blame] | 110 | mCheckGeneration(0), |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 111 | mTryTCPInterleaving(false), |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 112 | mTryFakeRTCP(false), |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 113 | mReceivedFirstRTCPPacket(false), |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 114 | mReceivedFirstRTPPacket(false), |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 115 | mSeekable(false) { |
Andreas Huber | c4e0b70 | 2010-08-27 15:21:07 -0700 | [diff] [blame] | 116 | mNetLooper->setName("rtsp net"); |
Andreas Huber | 4e4173b | 2010-07-22 09:20:13 -0700 | [diff] [blame] | 117 | mNetLooper->start(false /* runOnCallingThread */, |
| 118 | false /* canCallJava */, |
| 119 | PRIORITY_HIGHEST); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 120 | |
| 121 | // Strip any authentication info from the session url, we don't |
| 122 | // want to transmit user/pass in cleartext. |
| 123 | AString host, path, user, pass; |
| 124 | unsigned port; |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 125 | CHECK(ARTSPConnection::ParseURL( |
| 126 | mSessionURL.c_str(), &host, &port, &path, &user, &pass)); |
| 127 | |
| 128 | if (user.size() > 0) { |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 129 | mSessionURL.clear(); |
| 130 | mSessionURL.append("rtsp://"); |
| 131 | mSessionURL.append(host); |
| 132 | mSessionURL.append(":"); |
| 133 | mSessionURL.append(StringPrintf("%u", port)); |
| 134 | mSessionURL.append(path); |
| 135 | |
| 136 | LOGI("rewritten session url: '%s'", mSessionURL.c_str()); |
| 137 | } |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 138 | |
| 139 | mSessionHost = host; |
Andreas Huber | 4e4173b | 2010-07-22 09:20:13 -0700 | [diff] [blame] | 140 | } |
| 141 | |
Andreas Huber | 8370be1 | 2010-08-23 11:28:34 -0700 | [diff] [blame] | 142 | void connect(const sp<AMessage> &doneMsg) { |
| 143 | mDoneMsg = doneMsg; |
| 144 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 145 | mLooper->registerHandler(this); |
| 146 | mLooper->registerHandler(mConn); |
Andreas Huber | 4e4173b | 2010-07-22 09:20:13 -0700 | [diff] [blame] | 147 | (1 ? mNetLooper : mLooper)->registerHandler(mRTPConn); |
Andreas Huber | 4e4173b | 2010-07-22 09:20:13 -0700 | [diff] [blame] | 148 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 149 | sp<AMessage> notify = new AMessage('biny', id()); |
| 150 | mConn->observeBinaryData(notify); |
| 151 | |
Andreas Huber | 8370be1 | 2010-08-23 11:28:34 -0700 | [diff] [blame] | 152 | sp<AMessage> reply = new AMessage('conn', id()); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 153 | mConn->connect(mOriginalSessionURL.c_str(), reply); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 154 | } |
| 155 | |
Andreas Huber | 8370be1 | 2010-08-23 11:28:34 -0700 | [diff] [blame] | 156 | void disconnect(const sp<AMessage> &doneMsg) { |
| 157 | mDoneMsg = doneMsg; |
| 158 | |
| 159 | (new AMessage('abor', id()))->post(); |
Andreas Huber | 4e4173b | 2010-07-22 09:20:13 -0700 | [diff] [blame] | 160 | } |
| 161 | |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 162 | void seek(int64_t timeUs, const sp<AMessage> &doneMsg) { |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 163 | sp<AMessage> msg = new AMessage('seek', id()); |
| 164 | msg->setInt64("time", timeUs); |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 165 | msg->setMessage("doneMsg", doneMsg); |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 166 | msg->post(); |
| 167 | } |
| 168 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 169 | int64_t getNormalPlayTimeUs() { |
| 170 | int64_t maxTimeUs = 0; |
| 171 | for (size_t i = 0; i < mTracks.size(); ++i) { |
| 172 | int64_t timeUs = mTracks.editItemAt(i).mPacketSource |
| 173 | ->getNormalPlayTimeUs(); |
| 174 | |
| 175 | if (i == 0 || timeUs > maxTimeUs) { |
| 176 | maxTimeUs = timeUs; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | return maxTimeUs; |
| 181 | } |
| 182 | |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 183 | static void addRR(const sp<ABuffer> &buf) { |
| 184 | uint8_t *ptr = buf->data() + buf->size(); |
| 185 | ptr[0] = 0x80 | 0; |
| 186 | ptr[1] = 201; // RR |
| 187 | ptr[2] = 0; |
| 188 | ptr[3] = 1; |
| 189 | ptr[4] = 0xde; // SSRC |
| 190 | ptr[5] = 0xad; |
| 191 | ptr[6] = 0xbe; |
| 192 | ptr[7] = 0xef; |
| 193 | |
| 194 | buf->setRange(0, buf->size() + 8); |
| 195 | } |
| 196 | |
| 197 | static void addSDES(int s, const sp<ABuffer> &buffer) { |
| 198 | struct sockaddr_in addr; |
| 199 | socklen_t addrSize = sizeof(addr); |
| 200 | CHECK_EQ(0, getsockname(s, (sockaddr *)&addr, &addrSize)); |
| 201 | |
| 202 | uint8_t *data = buffer->data() + buffer->size(); |
| 203 | data[0] = 0x80 | 1; |
| 204 | data[1] = 202; // SDES |
| 205 | data[4] = 0xde; // SSRC |
| 206 | data[5] = 0xad; |
| 207 | data[6] = 0xbe; |
| 208 | data[7] = 0xef; |
| 209 | |
| 210 | size_t offset = 8; |
| 211 | |
| 212 | data[offset++] = 1; // CNAME |
| 213 | |
| 214 | AString cname = "stagefright@"; |
| 215 | cname.append(inet_ntoa(addr.sin_addr)); |
| 216 | data[offset++] = cname.size(); |
| 217 | |
| 218 | memcpy(&data[offset], cname.c_str(), cname.size()); |
| 219 | offset += cname.size(); |
| 220 | |
| 221 | data[offset++] = 6; // TOOL |
| 222 | |
| 223 | AString tool; |
| 224 | MakeUserAgentString(&tool); |
| 225 | |
| 226 | data[offset++] = tool.size(); |
| 227 | |
| 228 | memcpy(&data[offset], tool.c_str(), tool.size()); |
| 229 | offset += tool.size(); |
| 230 | |
| 231 | data[offset++] = 0; |
| 232 | |
| 233 | if ((offset % 4) > 0) { |
| 234 | size_t count = 4 - (offset % 4); |
| 235 | switch (count) { |
| 236 | case 3: |
| 237 | data[offset++] = 0; |
| 238 | case 2: |
| 239 | data[offset++] = 0; |
| 240 | case 1: |
| 241 | data[offset++] = 0; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | size_t numWords = (offset / 4) - 1; |
| 246 | data[2] = numWords >> 8; |
| 247 | data[3] = numWords & 0xff; |
| 248 | |
| 249 | buffer->setRange(buffer->offset(), buffer->size() + offset); |
| 250 | } |
| 251 | |
| 252 | // In case we're behind NAT, fire off two UDP packets to the remote |
| 253 | // rtp/rtcp ports to poke a hole into the firewall for future incoming |
| 254 | // packets. We're going to send an RR/SDES RTCP packet to both of them. |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 255 | bool pokeAHole(int rtpSocket, int rtcpSocket, const AString &transport) { |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 256 | struct sockaddr_in addr; |
| 257 | memset(addr.sin_zero, 0, sizeof(addr.sin_zero)); |
| 258 | addr.sin_family = AF_INET; |
| 259 | |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 260 | AString source; |
| 261 | AString server_port; |
| 262 | if (!GetAttribute(transport.c_str(), |
| 263 | "source", |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 264 | &source)) { |
| 265 | LOGW("Missing 'source' field in Transport response. Using " |
| 266 | "RTSP endpoint address."); |
| 267 | |
| 268 | struct hostent *ent = gethostbyname(mSessionHost.c_str()); |
| 269 | if (ent == NULL) { |
| 270 | LOGE("Failed to look up address of session host '%s'", |
| 271 | mSessionHost.c_str()); |
| 272 | |
| 273 | return false; |
| 274 | } |
| 275 | |
| 276 | addr.sin_addr.s_addr = *(in_addr_t *)ent->h_addr; |
| 277 | } else { |
| 278 | addr.sin_addr.s_addr = inet_addr(source.c_str()); |
| 279 | } |
| 280 | |
| 281 | if (!GetAttribute(transport.c_str(), |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 282 | "server_port", |
| 283 | &server_port)) { |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 284 | LOGI("Missing 'server_port' field in Transport response."); |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 285 | return false; |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 286 | } |
| 287 | |
| 288 | int rtpPort, rtcpPort; |
| 289 | if (sscanf(server_port.c_str(), "%d-%d", &rtpPort, &rtcpPort) != 2 |
| 290 | || rtpPort <= 0 || rtpPort > 65535 |
| 291 | || rtcpPort <=0 || rtcpPort > 65535 |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 292 | || rtcpPort != rtpPort + 1) { |
| 293 | LOGE("Server picked invalid RTP/RTCP port pair %s," |
| 294 | " RTP port must be even, RTCP port must be one higher.", |
| 295 | server_port.c_str()); |
| 296 | |
| 297 | return false; |
| 298 | } |
| 299 | |
| 300 | if (rtpPort & 1) { |
| 301 | LOGW("Server picked an odd RTP port, it should've picked an " |
| 302 | "even one, we'll let it pass for now, but this may break " |
| 303 | "in the future."); |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 304 | } |
| 305 | |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 306 | if (addr.sin_addr.s_addr == INADDR_NONE) { |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 307 | return true; |
| 308 | } |
| 309 | |
| 310 | if (IN_LOOPBACK(ntohl(addr.sin_addr.s_addr))) { |
| 311 | // No firewalls to traverse on the loopback interface. |
| 312 | return true; |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | // Make up an RR/SDES RTCP packet. |
| 316 | sp<ABuffer> buf = new ABuffer(65536); |
| 317 | buf->setRange(0, 0); |
| 318 | addRR(buf); |
| 319 | addSDES(rtpSocket, buf); |
| 320 | |
| 321 | addr.sin_port = htons(rtpPort); |
| 322 | |
| 323 | ssize_t n = sendto( |
| 324 | rtpSocket, buf->data(), buf->size(), 0, |
| 325 | (const sockaddr *)&addr, sizeof(addr)); |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 326 | |
| 327 | if (n < (ssize_t)buf->size()) { |
| 328 | LOGE("failed to poke a hole for RTP packets"); |
| 329 | return false; |
| 330 | } |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 331 | |
| 332 | addr.sin_port = htons(rtcpPort); |
| 333 | |
| 334 | n = sendto( |
| 335 | rtcpSocket, buf->data(), buf->size(), 0, |
| 336 | (const sockaddr *)&addr, sizeof(addr)); |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 337 | |
| 338 | if (n < (ssize_t)buf->size()) { |
| 339 | LOGE("failed to poke a hole for RTCP packets"); |
| 340 | return false; |
| 341 | } |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 342 | |
| 343 | LOGV("successfully poked holes."); |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 344 | |
| 345 | return true; |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 346 | } |
| 347 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 348 | virtual void onMessageReceived(const sp<AMessage> &msg) { |
| 349 | switch (msg->what()) { |
| 350 | case 'conn': |
| 351 | { |
| 352 | int32_t result; |
| 353 | CHECK(msg->findInt32("result", &result)); |
| 354 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 355 | LOGI("connection request completed with result %d (%s)", |
| 356 | result, strerror(-result)); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 357 | |
| 358 | if (result == OK) { |
| 359 | AString request; |
| 360 | request = "DESCRIBE "; |
| 361 | request.append(mSessionURL); |
| 362 | request.append(" RTSP/1.0\r\n"); |
| 363 | request.append("Accept: application/sdp\r\n"); |
| 364 | request.append("\r\n"); |
| 365 | |
| 366 | sp<AMessage> reply = new AMessage('desc', id()); |
| 367 | mConn->sendRequest(request.c_str(), reply); |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 368 | } else { |
| 369 | (new AMessage('disc', id()))->post(); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 370 | } |
| 371 | break; |
| 372 | } |
| 373 | |
| 374 | case 'disc': |
| 375 | { |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 376 | int32_t reconnect; |
| 377 | if (msg->findInt32("reconnect", &reconnect) && reconnect) { |
| 378 | sp<AMessage> reply = new AMessage('conn', id()); |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 379 | mConn->connect(mOriginalSessionURL.c_str(), reply); |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 380 | } else { |
| 381 | (new AMessage('quit', id()))->post(); |
| 382 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 383 | break; |
| 384 | } |
| 385 | |
| 386 | case 'desc': |
| 387 | { |
| 388 | int32_t result; |
| 389 | CHECK(msg->findInt32("result", &result)); |
| 390 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 391 | LOGI("DESCRIBE completed with result %d (%s)", |
| 392 | result, strerror(-result)); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 393 | |
| 394 | if (result == OK) { |
| 395 | sp<RefBase> obj; |
| 396 | CHECK(msg->findObject("response", &obj)); |
| 397 | sp<ARTSPResponse> response = |
| 398 | static_cast<ARTSPResponse *>(obj.get()); |
| 399 | |
| 400 | if (response->mStatusCode == 302) { |
| 401 | ssize_t i = response->mHeaders.indexOfKey("location"); |
| 402 | CHECK_GE(i, 0); |
| 403 | |
| 404 | mSessionURL = response->mHeaders.valueAt(i); |
| 405 | |
| 406 | AString request; |
| 407 | request = "DESCRIBE "; |
| 408 | request.append(mSessionURL); |
| 409 | request.append(" RTSP/1.0\r\n"); |
| 410 | request.append("Accept: application/sdp\r\n"); |
| 411 | request.append("\r\n"); |
| 412 | |
| 413 | sp<AMessage> reply = new AMessage('desc', id()); |
| 414 | mConn->sendRequest(request.c_str(), reply); |
| 415 | break; |
| 416 | } |
| 417 | |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 418 | if (response->mStatusCode != 200) { |
| 419 | result = UNKNOWN_ERROR; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 420 | } else { |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 421 | mSessionDesc = new ASessionDescription; |
| 422 | |
| 423 | mSessionDesc->setTo( |
| 424 | response->mContent->data(), |
| 425 | response->mContent->size()); |
| 426 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 427 | if (!mSessionDesc->isValid()) { |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 428 | LOGE("Failed to parse session description."); |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 429 | result = ERROR_MALFORMED; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 430 | } else { |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 431 | ssize_t i = response->mHeaders.indexOfKey("content-base"); |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 432 | if (i >= 0) { |
| 433 | mBaseURL = response->mHeaders.valueAt(i); |
| 434 | } else { |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 435 | i = response->mHeaders.indexOfKey("content-location"); |
| 436 | if (i >= 0) { |
| 437 | mBaseURL = response->mHeaders.valueAt(i); |
| 438 | } else { |
| 439 | mBaseURL = mSessionURL; |
| 440 | } |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 441 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 442 | |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 443 | if (!mBaseURL.startsWith("rtsp://")) { |
| 444 | // Some misbehaving servers specify a relative |
| 445 | // URL in one of the locations above, combine |
| 446 | // it with the absolute session URL to get |
| 447 | // something usable... |
| 448 | |
| 449 | LOGW("Server specified a non-absolute base URL" |
| 450 | ", combining it with the session URL to " |
| 451 | "get something usable..."); |
| 452 | |
| 453 | AString tmp; |
| 454 | CHECK(MakeURL( |
| 455 | mSessionURL.c_str(), |
| 456 | mBaseURL.c_str(), |
| 457 | &tmp)); |
| 458 | |
| 459 | mBaseURL = tmp; |
| 460 | } |
| 461 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 462 | CHECK_GT(mSessionDesc->countTracks(), 1u); |
| 463 | setupTrack(1); |
| 464 | } |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 465 | } |
| 466 | } |
| 467 | |
| 468 | if (result != OK) { |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 469 | sp<AMessage> reply = new AMessage('disc', id()); |
| 470 | mConn->disconnect(reply); |
| 471 | } |
| 472 | break; |
| 473 | } |
| 474 | |
| 475 | case 'setu': |
| 476 | { |
| 477 | size_t index; |
| 478 | CHECK(msg->findSize("index", &index)); |
| 479 | |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 480 | TrackInfo *track = NULL; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 481 | size_t trackIndex; |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 482 | if (msg->findSize("track-index", &trackIndex)) { |
| 483 | track = &mTracks.editItemAt(trackIndex); |
| 484 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 485 | |
| 486 | int32_t result; |
| 487 | CHECK(msg->findInt32("result", &result)); |
| 488 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 489 | LOGI("SETUP(%d) completed with result %d (%s)", |
| 490 | index, result, strerror(-result)); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 491 | |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 492 | if (result == OK) { |
| 493 | CHECK(track != NULL); |
| 494 | |
| 495 | sp<RefBase> obj; |
| 496 | CHECK(msg->findObject("response", &obj)); |
| 497 | sp<ARTSPResponse> response = |
| 498 | static_cast<ARTSPResponse *>(obj.get()); |
| 499 | |
| 500 | if (response->mStatusCode != 200) { |
| 501 | result = UNKNOWN_ERROR; |
| 502 | } else { |
| 503 | ssize_t i = response->mHeaders.indexOfKey("session"); |
| 504 | CHECK_GE(i, 0); |
| 505 | |
| 506 | mSessionID = response->mHeaders.valueAt(i); |
| 507 | i = mSessionID.find(";"); |
| 508 | if (i >= 0) { |
| 509 | // Remove options, i.e. ";timeout=90" |
| 510 | mSessionID.erase(i, mSessionID.size() - i); |
| 511 | } |
| 512 | |
| 513 | sp<AMessage> notify = new AMessage('accu', id()); |
| 514 | notify->setSize("track-index", trackIndex); |
| 515 | |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 516 | i = response->mHeaders.indexOfKey("transport"); |
| 517 | CHECK_GE(i, 0); |
| 518 | |
| 519 | if (!track->mUsingInterleavedTCP) { |
| 520 | AString transport = response->mHeaders.valueAt(i); |
| 521 | |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 522 | // We are going to continue even if we were |
| 523 | // unable to poke a hole into the firewall... |
| 524 | pokeAHole( |
| 525 | track->mRTPSocket, |
| 526 | track->mRTCPSocket, |
| 527 | transport); |
Andreas Huber | 0dc6403 | 2010-10-11 11:05:52 -0700 | [diff] [blame] | 528 | } |
| 529 | |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 530 | mRTPConn->addStream( |
| 531 | track->mRTPSocket, track->mRTCPSocket, |
| 532 | mSessionDesc, index, |
| 533 | notify, track->mUsingInterleavedTCP); |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 534 | |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 535 | mSetupTracksSuccessful = true; |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 536 | } |
| 537 | } |
| 538 | |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 539 | if (result != OK) { |
| 540 | if (track) { |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 541 | if (!track->mUsingInterleavedTCP) { |
| 542 | close(track->mRTPSocket); |
| 543 | close(track->mRTCPSocket); |
| 544 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 545 | |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 546 | mTracks.removeItemsAt(trackIndex); |
| 547 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 548 | } |
| 549 | |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 550 | ++index; |
| 551 | if (index < mSessionDesc->countTracks()) { |
| 552 | setupTrack(index); |
| 553 | } else if (mSetupTracksSuccessful) { |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 554 | AString request = "PLAY "; |
| 555 | request.append(mSessionURL); |
| 556 | request.append(" RTSP/1.0\r\n"); |
| 557 | |
| 558 | request.append("Session: "); |
| 559 | request.append(mSessionID); |
| 560 | request.append("\r\n"); |
| 561 | |
| 562 | request.append("\r\n"); |
| 563 | |
| 564 | sp<AMessage> reply = new AMessage('play', id()); |
| 565 | mConn->sendRequest(request.c_str(), reply); |
| 566 | } else { |
| 567 | sp<AMessage> reply = new AMessage('disc', id()); |
| 568 | mConn->disconnect(reply); |
| 569 | } |
| 570 | break; |
| 571 | } |
| 572 | |
| 573 | case 'play': |
| 574 | { |
| 575 | int32_t result; |
| 576 | CHECK(msg->findInt32("result", &result)); |
| 577 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 578 | LOGI("PLAY completed with result %d (%s)", |
| 579 | result, strerror(-result)); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 580 | |
| 581 | if (result == OK) { |
| 582 | sp<RefBase> obj; |
| 583 | CHECK(msg->findObject("response", &obj)); |
| 584 | sp<ARTSPResponse> response = |
| 585 | static_cast<ARTSPResponse *>(obj.get()); |
| 586 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 587 | if (response->mStatusCode != 200) { |
| 588 | result = UNKNOWN_ERROR; |
| 589 | } else { |
| 590 | parsePlayResponse(response); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 591 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 592 | sp<AMessage> timeout = new AMessage('tiou', id()); |
| 593 | timeout->post(kStartupTimeoutUs); |
| 594 | } |
| 595 | } |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 596 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 597 | if (result != OK) { |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 598 | sp<AMessage> reply = new AMessage('disc', id()); |
| 599 | mConn->disconnect(reply); |
| 600 | } |
| 601 | |
| 602 | break; |
| 603 | } |
| 604 | |
| 605 | case 'abor': |
| 606 | { |
| 607 | for (size_t i = 0; i < mTracks.size(); ++i) { |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 608 | TrackInfo *info = &mTracks.editItemAt(i); |
| 609 | |
| 610 | info->mPacketSource->signalEOS(ERROR_END_OF_STREAM); |
| 611 | |
| 612 | if (!info->mUsingInterleavedTCP) { |
| 613 | mRTPConn->removeStream(info->mRTPSocket, info->mRTCPSocket); |
| 614 | |
| 615 | close(info->mRTPSocket); |
| 616 | close(info->mRTCPSocket); |
| 617 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 618 | } |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 619 | mTracks.clear(); |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 620 | mSetupTracksSuccessful = false; |
| 621 | mSeekPending = false; |
| 622 | mFirstAccessUnit = true; |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 623 | mNTPAnchorUs = -1; |
| 624 | mMediaAnchorUs = -1; |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 625 | mNumAccessUnitsReceived = 0; |
| 626 | mReceivedFirstRTCPPacket = false; |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 627 | mReceivedFirstRTPPacket = false; |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 628 | mSeekable = false; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 629 | |
| 630 | sp<AMessage> reply = new AMessage('tear', id()); |
| 631 | |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 632 | int32_t reconnect; |
| 633 | if (msg->findInt32("reconnect", &reconnect) && reconnect) { |
| 634 | reply->setInt32("reconnect", true); |
| 635 | } |
| 636 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 637 | AString request; |
| 638 | request = "TEARDOWN "; |
| 639 | |
| 640 | // XXX should use aggregate url from SDP here... |
| 641 | request.append(mSessionURL); |
| 642 | request.append(" RTSP/1.0\r\n"); |
| 643 | |
| 644 | request.append("Session: "); |
| 645 | request.append(mSessionID); |
| 646 | request.append("\r\n"); |
| 647 | |
| 648 | request.append("\r\n"); |
| 649 | |
| 650 | mConn->sendRequest(request.c_str(), reply); |
| 651 | break; |
| 652 | } |
| 653 | |
| 654 | case 'tear': |
| 655 | { |
| 656 | int32_t result; |
| 657 | CHECK(msg->findInt32("result", &result)); |
| 658 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 659 | LOGI("TEARDOWN completed with result %d (%s)", |
| 660 | result, strerror(-result)); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 661 | |
| 662 | sp<AMessage> reply = new AMessage('disc', id()); |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 663 | |
| 664 | int32_t reconnect; |
| 665 | if (msg->findInt32("reconnect", &reconnect) && reconnect) { |
| 666 | reply->setInt32("reconnect", true); |
| 667 | } |
| 668 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 669 | mConn->disconnect(reply); |
| 670 | break; |
| 671 | } |
| 672 | |
| 673 | case 'quit': |
| 674 | { |
Andreas Huber | 8370be1 | 2010-08-23 11:28:34 -0700 | [diff] [blame] | 675 | if (mDoneMsg != NULL) { |
| 676 | mDoneMsg->setInt32("result", UNKNOWN_ERROR); |
| 677 | mDoneMsg->post(); |
| 678 | mDoneMsg = NULL; |
| 679 | } |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 680 | break; |
| 681 | } |
| 682 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 683 | case 'chek': |
| 684 | { |
Andreas Huber | e51e809 | 2010-10-08 09:04:25 -0700 | [diff] [blame] | 685 | int32_t generation; |
| 686 | CHECK(msg->findInt32("generation", &generation)); |
| 687 | if (generation != mCheckGeneration) { |
| 688 | // This is an outdated message. Ignore. |
| 689 | break; |
| 690 | } |
| 691 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 692 | if (mNumAccessUnitsReceived == 0) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 693 | LOGI("stream ended? aborting."); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 694 | (new AMessage('abor', id()))->post(); |
| 695 | break; |
| 696 | } |
| 697 | |
| 698 | mNumAccessUnitsReceived = 0; |
Andreas Huber | f6639c4 | 2010-08-30 09:53:52 -0700 | [diff] [blame] | 699 | msg->post(kAccessUnitTimeoutUs); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 700 | break; |
| 701 | } |
| 702 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 703 | case 'accu': |
| 704 | { |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 705 | int32_t timeUpdate; |
| 706 | if (msg->findInt32("time-update", &timeUpdate) && timeUpdate) { |
| 707 | size_t trackIndex; |
| 708 | CHECK(msg->findSize("track-index", &trackIndex)); |
| 709 | |
| 710 | uint32_t rtpTime; |
| 711 | uint64_t ntpTime; |
| 712 | CHECK(msg->findInt32("rtp-time", (int32_t *)&rtpTime)); |
| 713 | CHECK(msg->findInt64("ntp-time", (int64_t *)&ntpTime)); |
| 714 | |
| 715 | onTimeUpdate(trackIndex, rtpTime, ntpTime); |
| 716 | break; |
| 717 | } |
| 718 | |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 719 | int32_t first; |
| 720 | if (msg->findInt32("first-rtcp", &first)) { |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 721 | mReceivedFirstRTCPPacket = true; |
| 722 | break; |
| 723 | } |
| 724 | |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 725 | if (msg->findInt32("first-rtp", &first)) { |
| 726 | mReceivedFirstRTPPacket = true; |
| 727 | break; |
| 728 | } |
| 729 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 730 | ++mNumAccessUnitsReceived; |
Andreas Huber | e51e809 | 2010-10-08 09:04:25 -0700 | [diff] [blame] | 731 | postAccessUnitTimeoutCheck(); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 732 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 733 | size_t trackIndex; |
| 734 | CHECK(msg->findSize("track-index", &trackIndex)); |
| 735 | |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 736 | if (trackIndex >= mTracks.size()) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 737 | LOGV("late packets ignored."); |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 738 | break; |
| 739 | } |
| 740 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 741 | TrackInfo *track = &mTracks.editItemAt(trackIndex); |
| 742 | |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 743 | int32_t eos; |
| 744 | if (msg->findInt32("eos", &eos)) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 745 | LOGI("received BYE on track index %d", trackIndex); |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 746 | #if 0 |
Andreas Huber | af063a6 | 2010-08-18 10:17:18 -0700 | [diff] [blame] | 747 | track->mPacketSource->signalEOS(ERROR_END_OF_STREAM); |
| 748 | #endif |
| 749 | return; |
| 750 | } |
| 751 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 752 | sp<RefBase> obj; |
| 753 | CHECK(msg->findObject("access-unit", &obj)); |
| 754 | |
| 755 | sp<ABuffer> accessUnit = static_cast<ABuffer *>(obj.get()); |
| 756 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 757 | uint32_t seqNum = (uint32_t)accessUnit->int32Data(); |
| 758 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 759 | if (mSeekPending) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 760 | LOGV("we're seeking, dropping stale packet."); |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 761 | break; |
| 762 | } |
| 763 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 764 | if (seqNum < track->mFirstSeqNumInSegment) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 765 | LOGV("dropping stale access-unit (%d < %d)", |
| 766 | seqNum, track->mFirstSeqNumInSegment); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 767 | break; |
| 768 | } |
| 769 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 770 | if (track->mNewSegment) { |
| 771 | track->mNewSegment = false; |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 772 | } |
| 773 | |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 774 | onAccessUnitComplete(trackIndex, accessUnit); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 775 | break; |
| 776 | } |
| 777 | |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 778 | case 'seek': |
| 779 | { |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 780 | sp<AMessage> doneMsg; |
| 781 | CHECK(msg->findMessage("doneMsg", &doneMsg)); |
| 782 | |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 783 | if (mSeekPending) { |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 784 | doneMsg->post(); |
| 785 | break; |
| 786 | } |
| 787 | |
| 788 | if (!mSeekable) { |
| 789 | LOGW("This is a live stream, ignoring seek request."); |
| 790 | doneMsg->post(); |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 791 | break; |
| 792 | } |
| 793 | |
| 794 | int64_t timeUs; |
| 795 | CHECK(msg->findInt64("time", &timeUs)); |
| 796 | |
| 797 | mSeekPending = true; |
| 798 | |
Andreas Huber | e51e809 | 2010-10-08 09:04:25 -0700 | [diff] [blame] | 799 | // Disable the access unit timeout until we resumed |
| 800 | // playback again. |
| 801 | mCheckPending = true; |
| 802 | ++mCheckGeneration; |
| 803 | |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 804 | AString request = "PAUSE "; |
| 805 | request.append(mSessionURL); |
| 806 | request.append(" RTSP/1.0\r\n"); |
| 807 | |
| 808 | request.append("Session: "); |
| 809 | request.append(mSessionID); |
| 810 | request.append("\r\n"); |
| 811 | |
| 812 | request.append("\r\n"); |
| 813 | |
| 814 | sp<AMessage> reply = new AMessage('see1', id()); |
| 815 | reply->setInt64("time", timeUs); |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 816 | reply->setMessage("doneMsg", doneMsg); |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 817 | mConn->sendRequest(request.c_str(), reply); |
| 818 | break; |
| 819 | } |
| 820 | |
| 821 | case 'see1': |
| 822 | { |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 823 | // Session is paused now. |
| 824 | for (size_t i = 0; i < mTracks.size(); ++i) { |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 825 | TrackInfo *info = &mTracks.editItemAt(i); |
| 826 | |
| 827 | info->mPacketSource->flushQueue(); |
| 828 | info->mRTPAnchor = 0; |
| 829 | info->mNTPAnchorUs = -1; |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 830 | } |
| 831 | |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 832 | mNTPAnchorUs = -1; |
| 833 | |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 834 | int64_t timeUs; |
| 835 | CHECK(msg->findInt64("time", &timeUs)); |
| 836 | |
| 837 | AString request = "PLAY "; |
| 838 | request.append(mSessionURL); |
| 839 | request.append(" RTSP/1.0\r\n"); |
| 840 | |
| 841 | request.append("Session: "); |
| 842 | request.append(mSessionID); |
| 843 | request.append("\r\n"); |
| 844 | |
| 845 | request.append( |
| 846 | StringPrintf( |
| 847 | "Range: npt=%lld-\r\n", timeUs / 1000000ll)); |
| 848 | |
| 849 | request.append("\r\n"); |
| 850 | |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 851 | sp<AMessage> doneMsg; |
| 852 | CHECK(msg->findMessage("doneMsg", &doneMsg)); |
| 853 | |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 854 | sp<AMessage> reply = new AMessage('see2', id()); |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 855 | reply->setMessage("doneMsg", doneMsg); |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 856 | mConn->sendRequest(request.c_str(), reply); |
| 857 | break; |
| 858 | } |
| 859 | |
| 860 | case 'see2': |
| 861 | { |
| 862 | CHECK(mSeekPending); |
| 863 | |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 864 | int32_t result; |
| 865 | CHECK(msg->findInt32("result", &result)); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 866 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 867 | LOGI("PLAY completed with result %d (%s)", |
| 868 | result, strerror(-result)); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 869 | |
Andreas Huber | e51e809 | 2010-10-08 09:04:25 -0700 | [diff] [blame] | 870 | mCheckPending = false; |
| 871 | postAccessUnitTimeoutCheck(); |
| 872 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 873 | if (result == OK) { |
| 874 | sp<RefBase> obj; |
| 875 | CHECK(msg->findObject("response", &obj)); |
| 876 | sp<ARTSPResponse> response = |
| 877 | static_cast<ARTSPResponse *>(obj.get()); |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 878 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 879 | if (response->mStatusCode != 200) { |
| 880 | result = UNKNOWN_ERROR; |
| 881 | } else { |
| 882 | parsePlayResponse(response); |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 883 | |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 884 | ssize_t i = response->mHeaders.indexOfKey("rtp-info"); |
| 885 | CHECK_GE(i, 0); |
| 886 | |
| 887 | LOGV("rtp-info: %s", response->mHeaders.valueAt(i).c_str()); |
| 888 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 889 | LOGI("seek completed."); |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 890 | } |
| 891 | } |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 892 | |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 893 | if (result != OK) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 894 | LOGE("seek failed, aborting."); |
Andreas Huber | f3d2bdf | 2010-09-15 11:18:13 -0700 | [diff] [blame] | 895 | (new AMessage('abor', id()))->post(); |
| 896 | } |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 897 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 898 | mSeekPending = false; |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 899 | |
| 900 | sp<AMessage> doneMsg; |
| 901 | CHECK(msg->findMessage("doneMsg", &doneMsg)); |
| 902 | |
| 903 | doneMsg->post(); |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 904 | break; |
| 905 | } |
| 906 | |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 907 | case 'biny': |
| 908 | { |
| 909 | sp<RefBase> obj; |
| 910 | CHECK(msg->findObject("buffer", &obj)); |
| 911 | sp<ABuffer> buffer = static_cast<ABuffer *>(obj.get()); |
| 912 | |
| 913 | int32_t index; |
| 914 | CHECK(buffer->meta()->findInt32("index", &index)); |
| 915 | |
| 916 | mRTPConn->injectPacket(index, buffer); |
| 917 | break; |
| 918 | } |
| 919 | |
| 920 | case 'tiou': |
| 921 | { |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 922 | if (!mReceivedFirstRTCPPacket) { |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 923 | if (mReceivedFirstRTPPacket && !mTryFakeRTCP) { |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 924 | LOGW("We received RTP packets but no RTCP packets, " |
| 925 | "using fake timestamps."); |
| 926 | |
| 927 | mTryFakeRTCP = true; |
| 928 | |
| 929 | mReceivedFirstRTCPPacket = true; |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 930 | |
| 931 | fakeTimestamps(); |
| 932 | } else if (!mReceivedFirstRTPPacket && !mTryTCPInterleaving) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 933 | LOGW("Never received any data, switching transports."); |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 934 | |
| 935 | mTryTCPInterleaving = true; |
| 936 | |
| 937 | sp<AMessage> msg = new AMessage('abor', id()); |
| 938 | msg->setInt32("reconnect", true); |
| 939 | msg->post(); |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 940 | } else { |
| 941 | LOGW("Never received any data, disconnecting."); |
| 942 | (new AMessage('abor', id()))->post(); |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 943 | } |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 944 | } |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 945 | break; |
| 946 | } |
| 947 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 948 | default: |
| 949 | TRESPASS(); |
| 950 | break; |
| 951 | } |
| 952 | } |
| 953 | |
Andreas Huber | e51e809 | 2010-10-08 09:04:25 -0700 | [diff] [blame] | 954 | void postAccessUnitTimeoutCheck() { |
| 955 | if (mCheckPending) { |
| 956 | return; |
| 957 | } |
| 958 | |
| 959 | mCheckPending = true; |
| 960 | sp<AMessage> check = new AMessage('chek', id()); |
| 961 | check->setInt32("generation", mCheckGeneration); |
| 962 | check->post(kAccessUnitTimeoutUs); |
| 963 | } |
| 964 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 965 | static void SplitString( |
| 966 | const AString &s, const char *separator, List<AString> *items) { |
| 967 | items->clear(); |
| 968 | size_t start = 0; |
| 969 | while (start < s.size()) { |
| 970 | ssize_t offset = s.find(separator, start); |
| 971 | |
| 972 | if (offset < 0) { |
| 973 | items->push_back(AString(s, start, s.size() - start)); |
| 974 | break; |
| 975 | } |
| 976 | |
| 977 | items->push_back(AString(s, start, offset - start)); |
| 978 | start = offset + strlen(separator); |
| 979 | } |
| 980 | } |
| 981 | |
| 982 | void parsePlayResponse(const sp<ARTSPResponse> &response) { |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 983 | mSeekable = false; |
| 984 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 985 | ssize_t i = response->mHeaders.indexOfKey("range"); |
| 986 | if (i < 0) { |
| 987 | // Server doesn't even tell use what range it is going to |
| 988 | // play, therefore we won't support seeking. |
| 989 | return; |
| 990 | } |
| 991 | |
| 992 | AString range = response->mHeaders.valueAt(i); |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 993 | LOGV("Range: %s", range.c_str()); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 994 | |
| 995 | AString val; |
| 996 | CHECK(GetAttribute(range.c_str(), "npt", &val)); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 997 | |
Andreas Huber | a2edd7d8 | 2011-01-28 09:19:12 -0800 | [diff] [blame] | 998 | float npt1, npt2; |
| 999 | if (!ASessionDescription::parseNTPRange(val.c_str(), &npt1, &npt2)) { |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1000 | // This is a live stream and therefore not seekable. |
| 1001 | return; |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1002 | } |
| 1003 | |
| 1004 | i = response->mHeaders.indexOfKey("rtp-info"); |
| 1005 | CHECK_GE(i, 0); |
| 1006 | |
| 1007 | AString rtpInfo = response->mHeaders.valueAt(i); |
| 1008 | List<AString> streamInfos; |
| 1009 | SplitString(rtpInfo, ",", &streamInfos); |
| 1010 | |
| 1011 | int n = 1; |
| 1012 | for (List<AString>::iterator it = streamInfos.begin(); |
| 1013 | it != streamInfos.end(); ++it) { |
| 1014 | (*it).trim(); |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 1015 | LOGV("streamInfo[%d] = %s", n, (*it).c_str()); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1016 | |
| 1017 | CHECK(GetAttribute((*it).c_str(), "url", &val)); |
| 1018 | |
| 1019 | size_t trackIndex = 0; |
| 1020 | while (trackIndex < mTracks.size() |
| 1021 | && !(val == mTracks.editItemAt(trackIndex).mURL)) { |
| 1022 | ++trackIndex; |
| 1023 | } |
| 1024 | CHECK_LT(trackIndex, mTracks.size()); |
| 1025 | |
| 1026 | CHECK(GetAttribute((*it).c_str(), "seq", &val)); |
| 1027 | |
| 1028 | char *end; |
| 1029 | unsigned long seq = strtoul(val.c_str(), &end, 10); |
| 1030 | |
| 1031 | TrackInfo *info = &mTracks.editItemAt(trackIndex); |
| 1032 | info->mFirstSeqNumInSegment = seq; |
| 1033 | info->mNewSegment = true; |
| 1034 | |
| 1035 | CHECK(GetAttribute((*it).c_str(), "rtptime", &val)); |
| 1036 | |
| 1037 | uint32_t rtpTime = strtoul(val.c_str(), &end, 10); |
| 1038 | |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 1039 | LOGV("track #%d: rtpTime=%u <=> npt=%.2f", n, rtpTime, npt1); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1040 | |
| 1041 | info->mPacketSource->setNormalPlayTimeMapping( |
| 1042 | rtpTime, (int64_t)(npt1 * 1E6)); |
| 1043 | |
| 1044 | ++n; |
| 1045 | } |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 1046 | |
| 1047 | mSeekable = true; |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1048 | } |
| 1049 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1050 | sp<APacketSource> getPacketSource(size_t index) { |
| 1051 | CHECK_GE(index, 0u); |
| 1052 | CHECK_LT(index, mTracks.size()); |
| 1053 | |
| 1054 | return mTracks.editItemAt(index).mPacketSource; |
| 1055 | } |
| 1056 | |
| 1057 | size_t countTracks() const { |
| 1058 | return mTracks.size(); |
| 1059 | } |
| 1060 | |
| 1061 | private: |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 1062 | struct TrackInfo { |
| 1063 | AString mURL; |
| 1064 | int mRTPSocket; |
| 1065 | int mRTCPSocket; |
| 1066 | bool mUsingInterleavedTCP; |
| 1067 | uint32_t mFirstSeqNumInSegment; |
| 1068 | bool mNewSegment; |
| 1069 | |
| 1070 | uint32_t mRTPAnchor; |
| 1071 | int64_t mNTPAnchorUs; |
| 1072 | int32_t mTimeScale; |
| 1073 | |
| 1074 | sp<APacketSource> mPacketSource; |
| 1075 | |
| 1076 | // Stores packets temporarily while no notion of time |
| 1077 | // has been established yet. |
| 1078 | List<sp<ABuffer> > mPackets; |
| 1079 | }; |
| 1080 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1081 | sp<ALooper> mLooper; |
Andreas Huber | 4e4173b | 2010-07-22 09:20:13 -0700 | [diff] [blame] | 1082 | sp<ALooper> mNetLooper; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1083 | sp<ARTSPConnection> mConn; |
| 1084 | sp<ARTPConnection> mRTPConn; |
| 1085 | sp<ASessionDescription> mSessionDesc; |
Andreas Huber | a0b442e | 2010-10-20 15:00:34 -0700 | [diff] [blame] | 1086 | AString mOriginalSessionURL; // This one still has user:pass@ |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1087 | AString mSessionURL; |
Andreas Huber | 27db53d | 2011-02-15 13:32:42 -0800 | [diff] [blame] | 1088 | AString mSessionHost; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1089 | AString mBaseURL; |
| 1090 | AString mSessionID; |
| 1091 | bool mSetupTracksSuccessful; |
Andreas Huber | e0dd7d3 | 2010-08-24 14:33:58 -0700 | [diff] [blame] | 1092 | bool mSeekPending; |
| 1093 | bool mFirstAccessUnit; |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 1094 | |
| 1095 | int64_t mNTPAnchorUs; |
| 1096 | int64_t mMediaAnchorUs; |
| 1097 | int64_t mLastMediaTimeUs; |
| 1098 | |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1099 | int64_t mNumAccessUnitsReceived; |
| 1100 | bool mCheckPending; |
Andreas Huber | e51e809 | 2010-10-08 09:04:25 -0700 | [diff] [blame] | 1101 | int32_t mCheckGeneration; |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 1102 | bool mTryTCPInterleaving; |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 1103 | bool mTryFakeRTCP; |
Andreas Huber | 3a48d4d | 2010-08-31 10:43:47 -0700 | [diff] [blame] | 1104 | bool mReceivedFirstRTCPPacket; |
Andreas Huber | cc5fb1d | 2010-10-13 12:15:03 -0700 | [diff] [blame] | 1105 | bool mReceivedFirstRTPPacket; |
Andreas Huber | 0c46b69 | 2010-10-08 15:21:08 -0700 | [diff] [blame] | 1106 | bool mSeekable; |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1107 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1108 | Vector<TrackInfo> mTracks; |
| 1109 | |
Andreas Huber | 8370be1 | 2010-08-23 11:28:34 -0700 | [diff] [blame] | 1110 | sp<AMessage> mDoneMsg; |
| 1111 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1112 | void setupTrack(size_t index) { |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 1113 | sp<APacketSource> source = |
| 1114 | new APacketSource(mSessionDesc, index); |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 1115 | |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 1116 | if (source->initCheck() != OK) { |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 1117 | LOGW("Unsupported format. Ignoring track #%d.", index); |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 1118 | |
| 1119 | sp<AMessage> reply = new AMessage('setu', id()); |
| 1120 | reply->setSize("index", index); |
| 1121 | reply->setInt32("result", ERROR_UNSUPPORTED); |
| 1122 | reply->post(); |
| 1123 | return; |
| 1124 | } |
| 1125 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1126 | AString url; |
| 1127 | CHECK(mSessionDesc->findAttribute(index, "a=control", &url)); |
| 1128 | |
| 1129 | AString trackURL; |
| 1130 | CHECK(MakeURL(mBaseURL.c_str(), url.c_str(), &trackURL)); |
| 1131 | |
| 1132 | mTracks.push(TrackInfo()); |
| 1133 | TrackInfo *info = &mTracks.editItemAt(mTracks.size() - 1); |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1134 | info->mURL = trackURL; |
Andreas Huber | 57648e4 | 2010-08-04 10:14:30 -0700 | [diff] [blame] | 1135 | info->mPacketSource = source; |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 1136 | info->mUsingInterleavedTCP = false; |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1137 | info->mFirstSeqNumInSegment = 0; |
| 1138 | info->mNewSegment = true; |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 1139 | info->mRTPAnchor = 0; |
| 1140 | info->mNTPAnchorUs = -1; |
| 1141 | |
| 1142 | unsigned long PT; |
| 1143 | AString formatDesc; |
| 1144 | AString formatParams; |
| 1145 | mSessionDesc->getFormatType(index, &PT, &formatDesc, &formatParams); |
| 1146 | |
| 1147 | int32_t timescale; |
| 1148 | int32_t numChannels; |
| 1149 | ASessionDescription::ParseFormatDesc( |
| 1150 | formatDesc.c_str(), ×cale, &numChannels); |
| 1151 | |
| 1152 | info->mTimeScale = timescale; |
Andreas Huber | eeb97d9 | 2010-08-27 13:29:08 -0700 | [diff] [blame] | 1153 | |
Andreas Huber | 6e3fa44 | 2010-09-21 13:13:15 -0700 | [diff] [blame] | 1154 | LOGV("track #%d URL=%s", mTracks.size(), trackURL.c_str()); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1155 | |
| 1156 | AString request = "SETUP "; |
| 1157 | request.append(trackURL); |
| 1158 | request.append(" RTSP/1.0\r\n"); |
| 1159 | |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 1160 | if (mTryTCPInterleaving) { |
| 1161 | size_t interleaveIndex = 2 * (mTracks.size() - 1); |
| 1162 | info->mUsingInterleavedTCP = true; |
| 1163 | info->mRTPSocket = interleaveIndex; |
| 1164 | info->mRTCPSocket = interleaveIndex + 1; |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 1165 | |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 1166 | request.append("Transport: RTP/AVP/TCP;interleaved="); |
| 1167 | request.append(interleaveIndex); |
| 1168 | request.append("-"); |
| 1169 | request.append(interleaveIndex + 1); |
| 1170 | } else { |
| 1171 | unsigned rtpPort; |
| 1172 | ARTPConnection::MakePortPair( |
| 1173 | &info->mRTPSocket, &info->mRTCPSocket, &rtpPort); |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 1174 | |
Andreas Huber | f88ca7a0 | 2010-08-30 15:25:35 -0700 | [diff] [blame] | 1175 | request.append("Transport: RTP/AVP/UDP;unicast;client_port="); |
| 1176 | request.append(rtpPort); |
| 1177 | request.append("-"); |
| 1178 | request.append(rtpPort + 1); |
| 1179 | } |
Andreas Huber | 0416da7 | 2010-08-26 11:17:32 -0700 | [diff] [blame] | 1180 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1181 | request.append("\r\n"); |
| 1182 | |
| 1183 | if (index > 1) { |
| 1184 | request.append("Session: "); |
| 1185 | request.append(mSessionID); |
| 1186 | request.append("\r\n"); |
| 1187 | } |
| 1188 | |
| 1189 | request.append("\r\n"); |
| 1190 | |
| 1191 | sp<AMessage> reply = new AMessage('setu', id()); |
| 1192 | reply->setSize("index", index); |
| 1193 | reply->setSize("track-index", mTracks.size() - 1); |
| 1194 | mConn->sendRequest(request.c_str(), reply); |
| 1195 | } |
| 1196 | |
| 1197 | static bool MakeURL(const char *baseURL, const char *url, AString *out) { |
| 1198 | out->clear(); |
| 1199 | |
| 1200 | if (strncasecmp("rtsp://", baseURL, 7)) { |
| 1201 | // Base URL must be absolute |
| 1202 | return false; |
| 1203 | } |
| 1204 | |
| 1205 | if (!strncasecmp("rtsp://", url, 7)) { |
| 1206 | // "url" is already an absolute URL, ignore base URL. |
| 1207 | out->setTo(url); |
| 1208 | return true; |
| 1209 | } |
| 1210 | |
| 1211 | size_t n = strlen(baseURL); |
| 1212 | if (baseURL[n - 1] == '/') { |
| 1213 | out->setTo(baseURL); |
| 1214 | out->append(url); |
| 1215 | } else { |
Mike Lockwood | 5a23f8c | 2010-07-15 14:58:25 -0400 | [diff] [blame] | 1216 | const char *slashPos = strrchr(baseURL, '/'); |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1217 | |
| 1218 | if (slashPos > &baseURL[6]) { |
| 1219 | out->setTo(baseURL, slashPos - baseURL); |
| 1220 | } else { |
| 1221 | out->setTo(baseURL); |
| 1222 | } |
| 1223 | |
| 1224 | out->append("/"); |
| 1225 | out->append(url); |
| 1226 | } |
| 1227 | |
| 1228 | return true; |
| 1229 | } |
| 1230 | |
Andreas Huber | 0407269 | 2011-02-15 10:39:48 -0800 | [diff] [blame] | 1231 | void fakeTimestamps() { |
| 1232 | for (size_t i = 0; i < mTracks.size(); ++i) { |
| 1233 | onTimeUpdate(i, 0, 0ll); |
| 1234 | } |
| 1235 | } |
| 1236 | |
Andreas Huber | b2934b1 | 2011-02-08 10:18:41 -0800 | [diff] [blame] | 1237 | void onTimeUpdate(int32_t trackIndex, uint32_t rtpTime, uint64_t ntpTime) { |
| 1238 | LOGV("onTimeUpdate track %d, rtpTime = 0x%08x, ntpTime = 0x%016llx", |
| 1239 | trackIndex, rtpTime, ntpTime); |
| 1240 | |
| 1241 | int64_t ntpTimeUs = (int64_t)(ntpTime * 1E6 / (1ll << 32)); |
| 1242 | |
| 1243 | TrackInfo *track = &mTracks.editItemAt(trackIndex); |
| 1244 | |
| 1245 | track->mRTPAnchor = rtpTime; |
| 1246 | track->mNTPAnchorUs = ntpTimeUs; |
| 1247 | |
| 1248 | if (mNTPAnchorUs < 0) { |
| 1249 | mNTPAnchorUs = ntpTimeUs; |
| 1250 | mMediaAnchorUs = mLastMediaTimeUs; |
| 1251 | } |
| 1252 | } |
| 1253 | |
| 1254 | void onAccessUnitComplete( |
| 1255 | int32_t trackIndex, const sp<ABuffer> &accessUnit) { |
| 1256 | LOGV("onAccessUnitComplete track %d", trackIndex); |
| 1257 | |
| 1258 | if (mFirstAccessUnit) { |
| 1259 | mDoneMsg->setInt32("result", OK); |
| 1260 | mDoneMsg->post(); |
| 1261 | mDoneMsg = NULL; |
| 1262 | |
| 1263 | mFirstAccessUnit = false; |
| 1264 | } |
| 1265 | |
| 1266 | TrackInfo *track = &mTracks.editItemAt(trackIndex); |
| 1267 | |
| 1268 | if (mNTPAnchorUs < 0 || mMediaAnchorUs < 0 || track->mNTPAnchorUs < 0) { |
| 1269 | LOGV("storing accessUnit, no time established yet"); |
| 1270 | track->mPackets.push_back(accessUnit); |
| 1271 | return; |
| 1272 | } |
| 1273 | |
| 1274 | while (!track->mPackets.empty()) { |
| 1275 | sp<ABuffer> accessUnit = *track->mPackets.begin(); |
| 1276 | track->mPackets.erase(track->mPackets.begin()); |
| 1277 | |
| 1278 | if (addMediaTimestamp(trackIndex, track, accessUnit)) { |
| 1279 | track->mPacketSource->queueAccessUnit(accessUnit); |
| 1280 | } |
| 1281 | } |
| 1282 | |
| 1283 | if (addMediaTimestamp(trackIndex, track, accessUnit)) { |
| 1284 | track->mPacketSource->queueAccessUnit(accessUnit); |
| 1285 | } |
| 1286 | } |
| 1287 | |
| 1288 | bool addMediaTimestamp( |
| 1289 | int32_t trackIndex, const TrackInfo *track, |
| 1290 | const sp<ABuffer> &accessUnit) { |
| 1291 | uint32_t rtpTime; |
| 1292 | CHECK(accessUnit->meta()->findInt32( |
| 1293 | "rtp-time", (int32_t *)&rtpTime)); |
| 1294 | |
| 1295 | int64_t relRtpTimeUs = |
| 1296 | (((int64_t)rtpTime - (int64_t)track->mRTPAnchor) * 1000000ll) |
| 1297 | / track->mTimeScale; |
| 1298 | |
| 1299 | int64_t ntpTimeUs = track->mNTPAnchorUs + relRtpTimeUs; |
| 1300 | |
| 1301 | int64_t mediaTimeUs = mMediaAnchorUs + ntpTimeUs - mNTPAnchorUs; |
| 1302 | |
| 1303 | if (mediaTimeUs > mLastMediaTimeUs) { |
| 1304 | mLastMediaTimeUs = mediaTimeUs; |
| 1305 | } |
| 1306 | |
| 1307 | if (mediaTimeUs < 0) { |
| 1308 | LOGV("dropping early accessUnit."); |
| 1309 | return false; |
| 1310 | } |
| 1311 | |
| 1312 | LOGV("track %d rtpTime=%d mediaTimeUs = %lld us (%.2f secs)", |
| 1313 | trackIndex, rtpTime, mediaTimeUs, mediaTimeUs / 1E6); |
| 1314 | |
| 1315 | accessUnit->meta()->setInt64("timeUs", mediaTimeUs); |
| 1316 | |
| 1317 | return true; |
| 1318 | } |
| 1319 | |
| 1320 | |
Andreas Huber | 7a747b8 | 2010-06-07 15:19:40 -0700 | [diff] [blame] | 1321 | DISALLOW_EVIL_CONSTRUCTORS(MyHandler); |
| 1322 | }; |
| 1323 | |
| 1324 | } // namespace android |
| 1325 | |
| 1326 | #endif // MY_HANDLER_H_ |