| /********** |
| 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) 1996-2020 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 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 |