From 15d0c49e85159b9e27870aff5280c0cd95b103c4 Mon Sep 17 00:00:00 2001
From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期四, 04 五月 2017 17:16:56 +0800
Subject: [PATCH]
---
VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG4LATMAudioRTPSource.hh | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 101 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG4LATMAudioRTPSource.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG4LATMAudioRTPSource.hh
new file mode 100644
index 0000000..03e322a
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/MPEG4LATMAudioRTPSource.hh
@@ -0,0 +1,101 @@
+/**********
+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.
+// MPEG-4 audio, using LATM multiplexing
+// C++ header
+
+#ifndef _MPEG4_LATM_AUDIO_RTP_SOURCE_HH
+#define _MPEG4_LATM_AUDIO_RTP_SOURCE_HH
+
+#ifndef _MULTI_FRAMED_RTP_SOURCE_HH
+#include "MultiFramedRTPSource.hh"
+#endif
+
+class MPEG4LATMAudioRTPSource: public MultiFramedRTPSource {
+public:
+ static MPEG4LATMAudioRTPSource*
+ createNew(UsageEnvironment& env, Groupsock* RTPgs,
+ unsigned char rtpPayloadFormat,
+ unsigned rtpTimestampFrequency);
+
+ // By default, the LATM data length field is included at the beginning of each
+ // returned frame. To omit this field, call the following:
+ void omitLATMDataLengthField();
+
+ Boolean returnedFrameIncludesLATMDataLengthField() const { return fIncludeLATMDataLengthField; }
+
+protected:
+ virtual ~MPEG4LATMAudioRTPSource();
+
+private:
+ MPEG4LATMAudioRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
+ unsigned char rtpPayloadFormat,
+ unsigned rtpTimestampFrequency);
+ // called only by createNew()
+
+private:
+ // redefined virtual functions:
+ virtual Boolean processSpecialHeader(BufferedPacket* packet,
+ unsigned& resultSpecialHeaderSize);
+ virtual char const* MIMEtype() const;
+
+private:
+ Boolean fIncludeLATMDataLengthField;
+};
+
+
+// A utility for parsing a "StreamMuxConfig" string
+Boolean
+parseStreamMuxConfigStr(char const* configStr,
+ // result parameters:
+ Boolean& audioMuxVersion,
+ Boolean& allStreamsSameTimeFraming,
+ unsigned char& numSubFrames,
+ unsigned char& numProgram,
+ unsigned char& numLayer,
+ unsigned char*& audioSpecificConfig,
+ unsigned& audioSpecificConfigSize);
+ // Parses "configStr" as a sequence of hexadecimal digits, representing
+ // a "StreamMuxConfig" (as defined in ISO.IEC 14496-3, table 1.21).
+ // Returns, in "audioSpecificConfig", a binary representation of
+ // the enclosed "AudioSpecificConfig" structure (of size
+ // "audioSpecificConfigSize" bytes). The memory for this is allocated
+ // dynamically by this function; the caller is responsible for
+ // freeing it. Other values, that precede "AudioSpecificConfig",
+ // are returned in the other parameters.
+ // Returns True iff the parsing succeeds.
+ // IMPORTANT NOTE: The implementation of this function currently assumes
+ // that everything after the first "numLayer" field is an
+ // "AudioSpecificConfig". Therefore, it will not work properly if
+ // "audioMuxVersion" != 0, "numProgram" > 0, or "numLayer" > 0.
+ // Also, any 'other data' or CRC info will be included at
+ // the end of "audioSpecificConfig".
+
+unsigned char* parseStreamMuxConfigStr(char const* configStr,
+ // result parameter:
+ unsigned& audioSpecificConfigSize);
+ // A variant of the above that returns just the "AudioSpecificConfig" data
+ // (or NULL) if the parsing failed, without bothering with the other
+ // result parameters.
+
+unsigned char* parseGeneralConfigStr(char const* configStr,
+ // result parameter:
+ unsigned& configSize);
+ // A routine that parses an arbitrary config string, returning
+ // the result in binary form.
+
+#endif
--
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