// 录制线程
void *thread_recording(void*)
{
TaskScheduler* scheduler = BasicTaskScheduler::createNew();
env = BasicUsageEnvironment::createNew(*scheduler);
gettimeofday(&startTime, NULL);
streamURL = rtspPath;
// Create (or arrange to create) our client object:
if (createHandlerServerForREGISTERCommand) {
handlerServerForREGISTERCommand
= HandlerServerForREGISTERCommand::createNew(*env, continueAfterClientCreation0, handlerServerForREGISTERCommandPortNum, authDBForREGISTER, verbosityLevel, progName);
if (handlerServerForREGISTERCommand == NULL) {
*env << "Failed to create a server for handling incoming \"REGISTER\" commands: " << env->getResultMsg() << "\n";
} else {
*env << "Awaiting an incoming \"REGISTER\" command on port " << handlerServerForREGISTERCommand->serverPortNum() << "\n";
}
} else {
ourClient = createClient(*env, streamURL, verbosityLevel, progName);
if (ourClient == NULL) {
*env << "Failed to create " << clientProtocolName << " client: " << env->getResultMsg() << "\n";
shutdown();
}
ALOG(TX_LOG_INFO, TAG,"client create success\n");
continueAfterClientCreation1();
}
env->taskScheduler().doEventLoop();
}
void continueAfterClientCreation0(RTSPClient* newRTSPClient) {
if (newRTSPClient == 0) return;
assignClient(ourClient = newRTSPClient);
streamURL = newRTSPClient->url();
// Having handled one "REGISTER" command (giving us a "rtsp://" URL to stream from), we don't handle any more:
Medium::close(handlerServerForREGISTERCommand); handlerServerForREGISTERCommand = NULL;
continueAfterClientCreation1();
}
int start(int argc, char** argv) {
// Begin by setting up our usage environment:
TaskScheduler* scheduler = BasicTaskScheduler::createNew();
env = BasicUsageEnvironment::createNew(*scheduler);
progName = argv[0];
gettimeofday(&startTime, NULL);
#ifdef USE_SIGNALS
// Allow ourselves to be shut down gracefully by a SIGHUP or a SIGUSR1:
signal(SIGHUP, signalHandlerShutdown);
signal(SIGUSR1, signalHandlerShutdown);
#endif
// unfortunately we can't use getopt() here, as Windoze doesn't have it
while (argc > 1) {
char* const opt = argv[1];
if (opt[0] != '-') {
if (argc == 2) break; // only the URL is left
usage();
}
switch (opt[1]) {
case 'p': { // specify start port number
int portArg;
if (sscanf(argv[2], "%d", &portArg) != 1) {
usage();
}
if (portArg <= 0 || portArg >= 65536 || portArg&1) {
*env << "bad port number: " << portArg
<< " (must be even, and in the range (0,65536))\n";
usage();
}
desiredPortNum = (unsigned short)portArg;
++argv; --argc;
break;
}
case 'r': { // do not receive data (instead, just 'play' the stream(s))
createReceivers = False;
break;
}
case 'q': { // output a QuickTime file (to stdout)
outputQuickTimeFile = True;
break;
}
case '4': { // output a 'mp4'-format file (to stdout)
outputQuickTimeFile = True;
generateMP4Format = True;
break;
}
case 'i': { // output an AVI file (to stdout)
outputAVIFile = True;
break;
}
case 'I': { // specify input interface...
NetAddressList addresses(argv[2]);
if (addresses.numAddresses() == 0) {
*env << "Failed to find network address for \"" << argv[2] << "\"";
break;
}
ReceivingInterfaceAddr = *(unsigned*)(addresses.firstAddress()->data());
++argv; --argc;
break;
}
case 'a': { // receive/record an audio stream only
audioOnly = True;
singleMedium = "audio";
break;
}
case 'v': { // receive/record a video stream only
videoOnly = True;
singleMedium = "video";
break;
}
case 'V': { // disable verbose output
verbosityLevel = 0;
break;
}
case 'd': { // specify duration, or how much to delay after end time
float arg;
if (sscanf(argv[2], "%g", &arg) != 1) {
usage();
}
if (argv[2][0] == '-') { // not "arg<0", in case argv[2] was "-0"
// a 'negative' argument was specified; use this for "durationSlop":
duration = 0; // use whatever's in the SDP
durationSlop = -arg;
} else {
duration = arg;
durationSlop = 0;
}
++argv; --argc;
break;
}
case 'D': { // specify maximum number of seconds to wait for packets:
if (sscanf(argv[2], "%u", &interPacketGapMaxTime) != 1) {
usage();
}
++argv; --argc;
break;
}
case 'c': { // play continuously
playContinuously = True;
break;
}
case 'S': { // specify an offset to use with "SimpleRTPSource"s
if (sscanf(argv[2], "%d", &simpleRTPoffsetArg) != 1) {
usage();
}
if (simpleRTPoffsetArg < 0) {
*env << "offset argument to \"-S\" must be >= 0\n";
usage();
}
++argv; --argc;
break;
}
case 'O': { // Don't send an "OPTIONS" request before "DESCRIBE"
sendOptionsRequest = False;
break;
}
case 'o': { // Send only the "OPTIONS" request to the server
sendOptionsRequestOnly = True;
break;
}
case 'm': { // output multiple files - one for each frame
oneFilePerFrame = True;
break;
}
case 'n': { // notify the user when the first data packet arrives
notifyOnPacketArrival = True;
break;
}
case 't': {
// stream RTP and RTCP over the TCP 'control' connection
if (controlConnectionUsesTCP) {
streamUsingTCP = True;
} else {
usage();
}
break;
}
case 'T': {
// stream RTP and RTCP over a HTTP connection
if (controlConnectionUsesTCP) {
if (argc > 3 && argv[2][0] != '-') {
// The next argument is the HTTP server port number:
if (sscanf(argv[2], "%hu", &tunnelOverHTTPPortNum) == 1
&& tunnelOverHTTPPortNum > 0) {
++argv; --argc;
break;
}
}
}
// If we get here, the option was specified incorrectly:
usage();
break;
}
case 'u': { // specify a username and password
if (argc < 4) usage(); // there's no argv[3] (for the "password")
username = argv[2];
password = argv[3];
argv+=2; argc-=2;
if (allowProxyServers && argc > 3 && argv[2][0] != '-') {
// The next argument is the name of a proxy server:
proxyServerName = argv[2];
++argv; --argc;
if (argc > 3 && argv[2][0] != '-') {
// The next argument is the proxy server port number:
if (sscanf(argv[2], "%hu", &proxyServerPortNum) != 1) {
usage();
}
++argv; --argc;
}
}
ourAuthenticator = new Authenticator(username, password);
break;
}
case 'A': { // specify a desired audio RTP payload format
unsigned formatArg;
if (sscanf(argv[2], "%u", &formatArg) != 1
|| formatArg >= 96) {
usage();
}
desiredAudioRTPPayloadFormat = (unsigned char)formatArg;
++argv; --argc;
break;
}
case 'M': { // specify a MIME subtype for a dynamic RTP payload type
mimeSubtype = argv[2];
if (desiredAudioRTPPayloadFormat==0) desiredAudioRTPPayloadFormat =96;
++argv; --argc;
break;
}
case 'w': { // specify a width (pixels) for an output QuickTime or AVI movie
if (sscanf(argv[2], "%hu", &movieWidth) != 1) {
usage();
}
movieWidthOptionSet = True;
++argv; --argc;
break;
}
case 'h': { // specify a height (pixels) for an output QuickTime or AVI movie
if (sscanf(argv[2], "%hu", &movieHeight) != 1) {
usage();
}
movieHeightOptionSet = True;
++argv; --argc;
break;
}
case 'f': { // specify a frame rate (per second) for an output QT or AVI movie
if (sscanf(argv[2], "%u", &movieFPS) != 1) {
usage();
}
movieFPSOptionSet = True;
++argv; --argc;
break;
}
case 'F': { // specify a prefix for the audio and video output files
fileNamePrefix = argv[2];
++argv; --argc;
break;
}
case 'b': { // specify the size of buffers for "FileSink"s
if (sscanf(argv[2], "%u", &fileSinkBufferSize) != 1) {
usage();
}
++argv; --argc;
break;
}
case 'B': { // specify the size of input socket buffers
if (sscanf(argv[2], "%u", &socketInputBufferSize) != 1) {
usage();
}
++argv; --argc;
break;
}
// Note: The following option is deprecated, and may someday be removed:
case 'l': { // try to compensate for packet loss by repeating frames
packetLossCompensate = True;
break;
}
case 'y': { // synchronize audio and video streams
syncStreams = True;
break;
}
case 'H': { // generate hint tracks (as well as the regular data tracks)
generateHintTracks = True;
break;
}
case 'Q': { // output QOS measurements
qosMeasurementIntervalMS = 1000; // default: 1 second
if (argc > 3 && argv[2][0] != '-') {
// The next argument is the measurement interval,
// in multiples of 100 ms
if (sscanf(argv[2], "%u", &qosMeasurementIntervalMS) != 1) {
usage();
}
qosMeasurementIntervalMS *= 100;
++argv; --argc;
}
break;
}
case 's': { // specify initial seek time (trick play)
double arg;
if (sscanf(argv[2], "%lg", &arg) != 1 || arg < 0) {
usage();
}
initialSeekTime = arg;
++argv; --argc;
break;
}
case 'U': {
// specify initial absolute seek time (trick play), using a string of the form "YYYYMMDDTHHMMSSZ" or "YYYYMMDDTHHMMSS.<frac>Z
initialAbsoluteSeekTime = argv[2];
++argv; --argc;
break;
}
case 'z': { // scale (trick play)
float arg;
if (sscanf(argv[2], "%g", &arg) != 1 || arg == 0.0f) {
usage();
}
scale = arg;
++argv; --argc;
break;
}
case 'R': {
// set up a handler server for incoming "REGISTER" commands
createHandlerServerForREGISTERCommand = True;
if (argc > 2 && argv[2][0] != '-') {
// The next argument is the REGISTER handler server port number:
if (sscanf(argv[2], "%hu", &handlerServerForREGISTERCommandPortNum) == 1 && handlerServerForREGISTERCommandPortNum > 0) {
++argv; --argc;
break;
}
}
break;
}
case 'C': {
forceMulticastOnUnspecified = True;
break;
}
default: {
*env << "Invalid option: " << opt << "\n";
usage();
break;
}
}
++argv; --argc;
}
// There must be exactly one "rtsp://" URL at the end (unless '-R' was used, in which case there's no URL)
if (!( (argc == 2 && !createHandlerServerForREGISTERCommand) || (argc == 1 && createHandlerServerForREGISTERCommand) )) usage();
if (outputQuickTimeFile && outputAVIFile) {
*env << "The -i and -q (or -4) options cannot both be used!\n";
usage();
}
Boolean outputCompositeFile = outputQuickTimeFile || outputAVIFile;
if (!createReceivers && outputCompositeFile) {
*env << "The -r and -q (or -4 or -i) options cannot both be used!\n";
usage();
}
if (outputCompositeFile && !movieWidthOptionSet) {
*env << "Warning: The -q, -4 or -i option was used, but not -w. Assuming a video width of "
<< movieWidth << " pixels\n";
}
if (outputCompositeFile && !movieHeightOptionSet) {
*env << "Warning: The -q, -4 or -i option was used, but not -h. Assuming a video height of "
<< movieHeight << " pixels\n";
}
if (outputCompositeFile && !movieFPSOptionSet) {
*env << "Warning: The -q, -4 or -i option was used, but not -f. Assuming a video frame rate of "
<< movieFPS << " frames-per-second\n";
}
if (audioOnly && videoOnly) {
*env << "The -a and -v options cannot both be used!\n";
usage();
}
if (sendOptionsRequestOnly && !sendOptionsRequest) {
*env << "The -o and -O options cannot both be used!\n";
usage();
}
if (initialAbsoluteSeekTime != NULL && initialSeekTime != 0.0f) {
*env << "The -s and -U options cannot both be used!\n";
usage();
}
if (tunnelOverHTTPPortNum > 0) {
if (streamUsingTCP) {
*env << "The -t and -T options cannot both be used!\n";
usage();
} else {
streamUsingTCP = True;
}
}
if (!createReceivers && notifyOnPacketArrival) {
*env << "Warning: Because we're not receiving stream data, the -n flag has no effect\n";
}
if (durationSlop < 0) {
// This parameter wasn't set, so use a default value.
// If we're measuring QOS stats, then don't add any slop, to avoid
// having 'empty' measurement intervals at the end.
durationSlop = qosMeasurementIntervalMS > 0 ? 0.0 : 5.0;
}
streamURL = argv[1];
// Create (or arrange to create) our client object:
if (createHandlerServerForREGISTERCommand) {
handlerServerForREGISTERCommand
= HandlerServerForREGISTERCommand::createNew(*env, continueAfterClientCreation0,
handlerServerForREGISTERCommandPortNum, verbosityLevel, progName);
if (handlerServerForREGISTERCommand == NULL) {
*env << "Failed to create a server for handling incoming \"REGISTER\" commands: " << env->getResultMsg() << "\n";
} else {
*env << "Awaiting an incoming \"REGISTER\" command on port " << handlerServerForREGISTERCommand->serverPortNum() << "\n";
}
} else {
ourClient = createClient(*env, streamURL, verbosityLevel, progName);
if (ourClient == NULL) {
*env << "Failed to create " << clientProtocolName << " client: " << env->getResultMsg() << "\n";
shutdown();
}
continueAfterClientCreation1();
}
// All subsequent activity takes place within the event loop:
env->taskScheduler().doEventLoop(); // does not return
return 0; // only to prevent compiler warning
}