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/VorbisAudioRTPSink.hh | 85 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 85 insertions(+), 0 deletions(-)
diff --git a/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/VorbisAudioRTPSink.hh b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/VorbisAudioRTPSink.hh
new file mode 100644
index 0000000..97519cf
--- /dev/null
+++ b/VisitFace/RtspNativeCodec/app/libs/live555/include/liveMedia/VorbisAudioRTPSink.hh
@@ -0,0 +1,85 @@
+/**********
+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.
+// RTP sink for Vorbis audio
+// C++ header
+
+#ifndef _VORBIS_AUDIO_RTP_SINK_HH
+#define _VORBIS_AUDIO_RTP_SINK_HH
+
+#ifndef _AUDIO_RTP_SINK_HH
+#include "AudioRTPSink.hh"
+#endif
+
+class VorbisAudioRTPSink: public AudioRTPSink {
+public:
+ static VorbisAudioRTPSink*
+ createNew(UsageEnvironment& env, Groupsock* RTPgs, u_int8_t rtpPayloadFormat,
+ u_int32_t rtpTimestampFrequency, unsigned numChannels,
+ // The following headers provide the 'configuration' information, for the SDP description:
+ u_int8_t* identificationHeader, unsigned identificationHeaderSize,
+ u_int8_t* commentHeader, unsigned commentHeaderSize,
+ u_int8_t* setupHeader, unsigned setupHeaderSize,
+ u_int32_t identField = 0xFACADE);
+
+ static VorbisAudioRTPSink*
+ createNew(UsageEnvironment& env, Groupsock* RTPgs, u_int8_t rtpPayloadFormat,
+ u_int32_t rtpTimestampFrequency, unsigned numChannels,
+ char const* configStr);
+ // an optional variant of "createNew()" that takes a Base-64-encoded 'configuration' string,
+ // rather than the raw configuration headers as parameter.
+
+protected:
+ VorbisAudioRTPSink(UsageEnvironment& env, Groupsock* RTPgs,
+ u_int8_t rtpPayloadFormat, u_int32_t rtpTimestampFrequency, unsigned numChannels,
+ u_int8_t* identificationHeader, unsigned identificationHeaderSize,
+ u_int8_t* commentHeader, unsigned commentHeaderSize,
+ u_int8_t* setupHeader, unsigned setupHeaderSize,
+ u_int32_t identField);
+ // called only by createNew()
+
+ virtual ~VorbisAudioRTPSink();
+
+private: // redefined virtual functions:
+ virtual char const* auxSDPLine(); // for the "a=fmtp:" SDP line
+
+ virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
+ unsigned char* frameStart,
+ unsigned numBytesInFrame,
+ struct timeval framePresentationTime,
+ unsigned numRemainingBytes);
+ virtual Boolean frameCanAppearAfterPacketStart(unsigned char const* frameStart,
+ unsigned numBytesInFrame) const;
+ virtual unsigned specialHeaderSize() const;
+ virtual unsigned frameSpecificHeaderSize() const;
+
+private:
+ u_int32_t fIdent; // "Ident" field used by this stream. (Only the low 24 bits of this are used.)
+ char* fFmtpSDPLine;
+};
+
+
+// A general function used by both "VorbisAudioRTPSink" and "TheoraVideoRTPSink" to construct
+// a Base64-encoded 'config' string (for SDP) from "identification", "comment", "setup" headers.
+// (Note: The result string was heap-allocated, and the caller should delete[] it afterwards.)
+
+char* generateVorbisOrTheoraConfigStr(u_int8_t* identificationHeader, unsigned identificationHeaderSize,
+ u_int8_t* commentHeader, unsigned commentHeaderSize,
+ u_int8_t* setupHeader, unsigned setupHeaderSize,
+ u_int32_t identField);
+
+#endif
--
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