rtspTransmit/includes/live555/liveMedia/ByteStreamMultiFileSource.hh
2024-03-21 16:36:26 +08:00

70 lines
2.5 KiB
C++

/**********
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 3 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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**********/
// "liveMedia"
// Copyright (c) 1996-2024 Live Networks, Inc. All rights reserved.
// A source that consists of multiple byte-stream files, read sequentially.
// (The input is an array of file names, with a terminating 'file name' of NULL.)
// C++ header
#ifndef _BYTE_STREAM_MULTI_FILE_SOURCE_HH
#define _BYTE_STREAM_MULTI_FILE_SOURCE_HH
#ifndef _BYTE_STREAM_FILE_SOURCE_HH
#include "ByteStreamFileSource.hh"
#endif
class LIVEMEDIA_API ByteStreamMultiFileSource: public FramedSource {
public:
static ByteStreamMultiFileSource*
createNew(UsageEnvironment& env, char const** fileNameArray,
unsigned preferredFrameSize = 0, unsigned playTimePerFrame = 0);
// "fileNameArray" is a pointer to an array of (char const*) file names, with
// A 'file name' of NULL indicating the end of the array
Boolean haveStartedNewFile() const { return fHaveStartedNewFile; }
// True iff the most recently delivered frame was the first from a newly-opened file
protected:
ByteStreamMultiFileSource(UsageEnvironment& env, char const** fileNameArray,
unsigned preferredFrameSize, unsigned playTimePerFrame);
// called only by createNew()
virtual ~ByteStreamMultiFileSource();
private:
// redefined virtual functions:
virtual void doGetNextFrame();
private:
static void onSourceClosure(void* clientData);
void onSourceClosure1();
static void afterGettingFrame(void* clientData,
unsigned frameSize, unsigned numTruncatedBytes,
struct timeval presentationTime,
unsigned durationInMicroseconds);
private:
unsigned fPreferredFrameSize;
unsigned fPlayTimePerFrame;
unsigned fNumSources;
unsigned fCurrentlyReadSourceNumber;
Boolean fHaveStartedNewFile;
char const** fFileNameArray;
ByteStreamFileSource** fSourceArray;
};
#endif