mediaServer/DynamicRTSPServer.cpp File Reference

#include "DynamicRTSPServer.hh"
#include <liveMedia.hh>
#include <string.h>

Include dependency graph for DynamicRTSPServer.cpp:

Go to the source code of this file.

Defines
#define	NEW_SMS(description)
Functions
static ServerMediaSession *	createNewSMS (UsageEnvironment &env, char const *fileName, FILE *fid)
static void	onMatroskaDemuxCreation (MatroskaFileServerDemux *newDemux, void *)
Variables
static char	newMatroskaDemuxWatchVariable
static MatroskaFileServerDemux *	demux

---

Define Documentation

#define NEW_SMS

(

description

)

Value:

do {\
char const* descStr = description\
    ", streamed by the LIVE555 Media Server";\
sms = ServerMediaSession::createNew(env, fileName, fileName, descStr);\
} while(0)

Definition at line 84 of file DynamicRTSPServer.cpp.

Referenced by createNewSMS().

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Function Documentation

static ServerMediaSession * createNewSMS	(	UsageEnvironment &	env,
		char const *	fileName,
		FILE *	fid
	)			[static]

Definition at line 90 of file DynamicRTSPServer.cpp.

References ServerMediaSession::addSubsession(), MatroskaFileServerDemux::createNew(), DVVideoFileServerMediaSubsession::createNew(), WAVAudioFileServerMediaSubsession::createNew(), MPEG2TransportFileServerMediaSubsession::createNew(), MPEG1or2FileServerDemux::createNew(), MP3AudioFileServerMediaSubsession::createNew(), H264VideoFileServerMediaSubsession::createNew(), MPEG4VideoFileServerMediaSubsession::createNew(), AC3AudioFileServerMediaSubsession::createNew(), AMRAudioFileServerMediaSubsession::createNew(), ADTSAudioFileServerMediaSubsession::createNew(), demux, TaskScheduler::doEventLoop(), env, False, OutPacketBuffer::maxSize, NEW_SMS, newMatroskaDemuxWatchVariable, MatroskaFileServerDemux::newServerMediaSubsession(), NULL, onMatroskaDemuxCreation(), UsageEnvironment::taskScheduler(), and True.

Referenced by DynamicRTSPServer::lookupServerMediaSession().

                                                                             {
  // Use the file name extension to determine the type of "ServerMediaSession":
  char const* extension = strrchr(fileName, '.');
  if (extension == NULL) return NULL;

  ServerMediaSession* sms = NULL;
  Boolean const reuseSource = False;
  if (strcmp(extension, ".aac") == 0) {
    // Assumed to be an AAC Audio (ADTS format) file:
    NEW_SMS("AAC Audio");
    sms->addSubsession(ADTSAudioFileServerMediaSubsession::createNew(env, fileName, reuseSource));
  } else if (strcmp(extension, ".amr") == 0) {
    // Assumed to be an AMR Audio file:
    NEW_SMS("AMR Audio");
    sms->addSubsession(AMRAudioFileServerMediaSubsession::createNew(env, fileName, reuseSource));
  } else if (strcmp(extension, ".ac3") == 0) {
    // Assumed to be an AC-3 Audio file:
    NEW_SMS("AC-3 Audio");
    sms->addSubsession(AC3AudioFileServerMediaSubsession::createNew(env, fileName, reuseSource));
  } else if (strcmp(extension, ".m4e") == 0) {
    // Assumed to be a MPEG-4 Video Elementary Stream file:
    NEW_SMS("MPEG-4 Video");
    sms->addSubsession(MPEG4VideoFileServerMediaSubsession::createNew(env, fileName, reuseSource));
  } else if (strcmp(extension, ".264") == 0) {
    // Assumed to be a H.264 Video Elementary Stream file:
    NEW_SMS("H.264 Video");
    OutPacketBuffer::maxSize = 100000; // allow for some possibly large H.264 frames
    sms->addSubsession(H264VideoFileServerMediaSubsession::createNew(env, fileName, reuseSource));
  } else if (strcmp(extension, ".mp3") == 0) {
    // Assumed to be a MPEG-1 or 2 Audio file:
    NEW_SMS("MPEG-1 or 2 Audio");
    // To stream using 'ADUs' rather than raw MP3 frames, uncomment the following:
//#define STREAM_USING_ADUS 1
    // To also reorder ADUs before streaming, uncomment the following:
//#define INTERLEAVE_ADUS 1
    // (For more information about ADUs and interleaving,
    //  see <http://www.live555.com/rtp-mp3/>)
    Boolean useADUs = False;
    Interleaving* interleaving = NULL;
#ifdef STREAM_USING_ADUS
    useADUs = True;
#ifdef INTERLEAVE_ADUS
    unsigned char interleaveCycle[] = {0,2,1,3}; // or choose your own...
    unsigned const interleaveCycleSize
      = (sizeof interleaveCycle)/(sizeof (unsigned char));
    interleaving = new Interleaving(interleaveCycleSize, interleaveCycle);
#endif
#endif
    sms->addSubsession(MP3AudioFileServerMediaSubsession::createNew(env, fileName, reuseSource, useADUs, interleaving));
  } else if (strcmp(extension, ".mpg") == 0) {
    // Assumed to be a MPEG-1 or 2 Program Stream (audio+video) file:
    NEW_SMS("MPEG-1 or 2 Program Stream");
    MPEG1or2FileServerDemux* demux
      = MPEG1or2FileServerDemux::createNew(env, fileName, reuseSource);
    sms->addSubsession(demux->newVideoServerMediaSubsession());
    sms->addSubsession(demux->newAudioServerMediaSubsession());
  } else if (strcmp(extension, ".ts") == 0) {
    // Assumed to be a MPEG Transport Stream file:
    // Use an index file name that's the same as the TS file name, except with ".tsx":
    unsigned indexFileNameLen = strlen(fileName) + 2; // allow for trailing "x\0"
    char* indexFileName = new char[indexFileNameLen];
    sprintf(indexFileName, "%sx", fileName);
    NEW_SMS("MPEG Transport Stream");
    sms->addSubsession(MPEG2TransportFileServerMediaSubsession::createNew(env, fileName, indexFileName, reuseSource));
    delete[] indexFileName;
  } else if (strcmp(extension, ".wav") == 0) {
    // Assumed to be a WAV Audio file:
    NEW_SMS("WAV Audio Stream");
    // To convert 16-bit PCM data to 8-bit u-law, prior to streaming,
    // change the following to True:
    Boolean convertToULaw = False;
    sms->addSubsession(WAVAudioFileServerMediaSubsession::createNew(env, fileName, reuseSource, convertToULaw));
  } else if (strcmp(extension, ".dv") == 0) {
    // Assumed to be a DV Video file
    // First, make sure that the RTPSinks' buffers will be large enough to handle the huge size of DV frames (as big as 288000).
    OutPacketBuffer::maxSize = 300000;

    NEW_SMS("DV Video");
    sms->addSubsession(DVVideoFileServerMediaSubsession::createNew(env, fileName, reuseSource));
  } else if (strcmp(extension, ".mkv") == 0 || strcmp(extension, ".webm") == 0) {
    // Assumed to be a Matroska file (note that WebM ('.webm') files are also Matroska files)
    NEW_SMS("Matroska video+audio+(optional)subtitles");

    // Create a Matroska file server demultiplexor for the specified file.  (We enter the event loop to wait for this to complete.)
    newMatroskaDemuxWatchVariable = 0;
    MatroskaFileServerDemux::createNew(env, fileName, onMatroskaDemuxCreation, NULL);
    env.taskScheduler().doEventLoop(&newMatroskaDemuxWatchVariable);

    ServerMediaSubsession* smss;
    while ((smss = demux->newServerMediaSubsession()) != NULL) {
      sms->addSubsession(smss);
    }
  }

  return sms;
}

static void onMatroskaDemuxCreation	(	MatroskaFileServerDemux *	newDemux,
		void *
	)			[static]

Definition at line 78 of file DynamicRTSPServer.cpp.

References demux, and newMatroskaDemuxWatchVariable.

                                                                                             {
  demux = newDemux;
  newMatroskaDemuxWatchVariable = 1;
}

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Variable Documentation

MatroskaFileServerDemux* demux [static]

Definition at line 77 of file DynamicRTSPServer.cpp.

char newMatroskaDemuxWatchVariable [static]

Definition at line 76 of file DynamicRTSPServer.cpp.

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