From 7506e2d09702721eda3b61d7519e610d0a925b18 Mon Sep 17 00:00:00 2001
From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期四, 06 四月 2017 13:21:36 +0800
Subject: [PATCH]
---
VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/ByteStreamFileSource.hh | 82 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 82 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/ByteStreamFileSource.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/ByteStreamFileSource.hh
new file mode 100644
index 0000000..49be647
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/ByteStreamFileSource.hh
@@ -0,0 +1,82 @@
+/**********
+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 file source that is a plain byte stream (rather than frames)
+// C++ header
+
+#ifndef _BYTE_STREAM_FILE_SOURCE_HH
+#define _BYTE_STREAM_FILE_SOURCE_HH
+
+#ifndef _FRAMED_FILE_SOURCE_HH
+#include "FramedFileSource.hh"
+#endif
+
+class ByteStreamFileSource: public FramedFileSource {
+public:
+ static ByteStreamFileSource* createNew(UsageEnvironment& env,
+ char const* fileName,
+ unsigned preferredFrameSize = 0,
+ unsigned playTimePerFrame = 0);
+ // "preferredFrameSize" == 0 means 'no preference'
+ // "playTimePerFrame" is in microseconds
+
+ static ByteStreamFileSource* createNew(UsageEnvironment& env,
+ FILE* fid,
+ unsigned preferredFrameSize = 0,
+ unsigned playTimePerFrame = 0);
+ // an alternative version of "createNew()" that's used if you already have
+ // an open file.
+
+ u_int64_t fileSize() const { return fFileSize; }
+ // 0 means zero-length, unbounded, or unknown
+
+ void seekToByteAbsolute(u_int64_t byteNumber, u_int64_t numBytesToStream = 0);
+ // if "numBytesToStream" is >0, then we limit the stream to that number of bytes, before treating it as EOF
+ void seekToByteRelative(int64_t offset, u_int64_t numBytesToStream = 0);
+ void seekToEnd(); // to force EOF handling on the next read
+
+protected:
+ ByteStreamFileSource(UsageEnvironment& env,
+ FILE* fid,
+ unsigned preferredFrameSize,
+ unsigned playTimePerFrame);
+ // called only by createNew()
+
+ virtual ~ByteStreamFileSource();
+
+ static void fileReadableHandler(ByteStreamFileSource* source, int mask);
+ void doReadFromFile();
+
+private:
+ // redefined virtual functions:
+ virtual void doGetNextFrame();
+ virtual void doStopGettingFrames();
+
+protected:
+ u_int64_t fFileSize;
+
+private:
+ unsigned fPreferredFrameSize;
+ unsigned fPlayTimePerFrame;
+ Boolean fFidIsSeekable;
+ unsigned fLastPlayTime;
+ Boolean fHaveStartedReading;
+ Boolean fLimitNumBytesToStream;
+ u_int64_t fNumBytesToStream; // used iff "fLimitNumBytesToStream" is True
+};
+
+#endif
--
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