From 29179252e3e9619738f36d3ddc37c88073870388 Mon Sep 17 00:00:00 2001
From: houxiao <houxiao@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期二, 21 三月 2017 10:11:00 +0800
Subject: [PATCH]
---
VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2AudioStreamFramer.hh | 70 +++++++++++++++++++++++++++++++++++
1 files changed, 70 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2AudioStreamFramer.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2AudioStreamFramer.hh
new file mode 100644
index 0000000..b8362c0
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG1or2AudioStreamFramer.hh
@@ -0,0 +1,70 @@
+/**********
+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) 1996-2017 Live Networks, Inc. All rights reserved.
+// A filter that breaks up an MPEG (1,2) audio elementary stream into frames
+// C++ header
+
+#ifndef _MPEG_1OR2_AUDIO_STREAM_FRAMER_HH
+#define _MPEG_1OR2_AUDIO_STREAM_FRAMER_HH
+
+#ifndef _FRAMED_FILTER_HH
+#include "FramedFilter.hh"
+#endif
+
+class MPEG1or2AudioStreamFramer: public FramedFilter {
+public:
+ static MPEG1or2AudioStreamFramer*
+ createNew(UsageEnvironment& env, FramedSource* inputSource,
+ Boolean syncWithInputSource = False);
+ // If "syncWithInputSource" is True, the stream's presentation time
+ // will be reset to that of the input source, whenever new data
+ // is read from it.
+
+ void flushInput(); // called if there is a discontinuity (seeking) in the input
+
+private:
+ MPEG1or2AudioStreamFramer(UsageEnvironment& env, FramedSource* inputSource,
+ Boolean syncWithInputSource);
+ // called only by createNew()
+ virtual ~MPEG1or2AudioStreamFramer();
+
+ static void continueReadProcessing(void* clientData,
+ unsigned char* ptr, unsigned size,
+ struct timeval presentationTime);
+ void continueReadProcessing();
+
+ void resetPresentationTime(struct timeval newPresentationTime);
+ // useful if we're being synced with a separate (e.g., video) stream
+
+private:
+ // redefined virtual functions:
+ virtual void doGetNextFrame();
+
+private:
+ void reset();
+ struct timeval currentFramePlayTime() const;
+
+private:
+ Boolean fSyncWithInputSource;
+ struct timeval fNextFramePresentationTime;
+
+private: // parsing state
+ class MPEG1or2AudioStreamParser* fParser;
+ friend class MPEG1or2AudioStreamParser; // hack
+};
+
+#endif
--
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