H264or5VideoStreamDiscreteFramer.hh 2.3 KB

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  1. /**********
  2. This library is free software; you can redistribute it and/or modify it under
  3. the terms of the GNU Lesser General Public License as published by the
  4. Free Software Foundation; either version 3 of the License, or (at your
  5. option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
  6. This library is distributed in the hope that it will be useful, but WITHOUT
  7. ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  8. FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
  9. more details.
  10. You should have received a copy of the GNU Lesser General Public License
  11. along with this library; if not, write to the Free Software Foundation, Inc.,
  12. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  13. **********/
  14. // "liveMedia"
  15. // Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
  16. // A simplified version of "H264or5VideoStreamFramer" that takes only complete,
  17. // discrete frames (rather than an arbitrary byte stream) as input.
  18. // This avoids the parsing and data copying overhead of the full
  19. // "H264or5VideoStreamFramer".
  20. // C++ header
  21. #ifndef _H264_OR_5_VIDEO_STREAM_DISCRETE_FRAMER_HH
  22. #define _H264_OR_5_VIDEO_STREAM_DISCRETE_FRAMER_HH
  23. #ifndef _H264_OR_5_VIDEO_STREAM_FRAMER_HH
  24. #include "H264or5VideoStreamFramer.hh"
  25. #endif
  26. class H264or5VideoStreamDiscreteFramer: public H264or5VideoStreamFramer {
  27. protected:
  28. H264or5VideoStreamDiscreteFramer(int hNumber, UsageEnvironment& env, FramedSource* inputSource,
  29. Boolean includeStartCodeInOutput,
  30. Boolean insertAccessUnitDelimiters);
  31. // we're an abstract base class
  32. virtual ~H264or5VideoStreamDiscreteFramer();
  33. protected:
  34. // redefined virtual functions:
  35. virtual void doGetNextFrame();
  36. protected:
  37. static void afterGettingFrame(void* clientData, unsigned frameSize,
  38. unsigned numTruncatedBytes,
  39. struct timeval presentationTime,
  40. unsigned durationInMicroseconds);
  41. void afterGettingFrame1(unsigned frameSize,
  42. unsigned numTruncatedBytes,
  43. struct timeval presentationTime,
  44. unsigned durationInMicroseconds);
  45. virtual Boolean nalUnitEndsAccessUnit(u_int8_t nal_unit_type);
  46. };
  47. #endif