Ross, I have had a need for a NULL sink mainly for development purpose while debugging some add-on to the library or to understand the internal mechanism of RTP reception of the library or for snooping the RTP packets on a computer with wireshark installed. It is rather trivial but it does the job and can replace the file sink with most testing application. Feel free to include it in the library if you think it might be useful. Regards Guy Bonneau
/********** This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
**********/
// Null sinks
// Implementation
#include "NullSink.hh"
////////// NullSink //////////
NullSink::NullSink(UsageEnvironment& env, unsigned bufferSize)
: MediaSink(env), fBufferSize(bufferSize) {
fBuffer = new unsigned char[bufferSize];
}
NullSink::~NullSink() {
delete[] fBuffer;
}
NullSink* NullSink::createNew(UsageEnvironment& env, unsigned bufferSize) {
return new NullSink(env, bufferSize);
return NULL;
}
Boolean NullSink::continuePlaying() {
if (fSource == NULL) return False;
fSource->getNextFrame(fBuffer, fBufferSize,
afterGettingFrame, this,
onSourceClosure, this);
return True;
}
void NullSink::afterGettingFrame(void* clientData, unsigned frameSize,
unsigned /*numTruncatedBytes*/,
struct timeval presentationTime,
unsigned /*durationInMicroseconds*/) {
NullSink* sink = (NullSink*)clientData;
sink->afterGettingFrame1(frameSize, presentationTime);
}
void NullSink::afterGettingFrame1(unsigned frameSize,
struct timeval presentationTime) {
// Try getting the next frame:
continuePlaying();
}
NullSink.hh
Description: Binary data
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