mirror of
https://github.com/ShaYmez/xlxd.git
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136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
//
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// cpacketstream.cpp
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// xlxd
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 06/11/2015.
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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//
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// ----------------------------------------------------------------------------
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// This file is part of xlxd.
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//
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// xlxd is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// xlxd is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#include "main.h"
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#include "cpacketstream.h"
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////////////////////////////////////////////////////////////////////////////////////////
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// constructor
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CPacketStream::CPacketStream()
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{
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m_bOpen = false;
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m_uiStreamId = 0;
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m_uiPacketCntr = 0;
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m_OwnerClient = NULL;
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m_CodecStream = NULL;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// open / close
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bool CPacketStream::Open(const CDvHeaderPacket &DvHeader, CClient *client)
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{
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bool ok = false;
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// not already open?
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if ( !m_bOpen )
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{
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// update status
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m_bOpen = true;
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m_uiStreamId = DvHeader.GetStreamId();
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m_uiPacketCntr = 0;
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m_DvHeader = DvHeader;
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m_OwnerClient = client;
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m_LastPacketTime.Now();
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m_CodecStream = g_Transcoder.GetStream(this, client->GetCodec());
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ok = true;
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}
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return ok;
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}
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void CPacketStream::Close(void)
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{
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// update status
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m_bOpen = false;
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m_uiStreamId = 0;
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m_OwnerClient = NULL;
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g_Transcoder.ReleaseStream(m_CodecStream);
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m_CodecStream = NULL;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// push & pop
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void CPacketStream::Push(CPacket *Packet)
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{
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// update stream dependent packet data
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m_LastPacketTime.Now();
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Packet->UpdatePids(m_uiPacketCntr++);
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// transcoder avaliable ?
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if ( m_CodecStream != NULL )
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{
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// todo: verify no possibilty of double lock here
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m_CodecStream->Lock();
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{
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// transcoder ready & frame need transcoding ?
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if ( m_CodecStream->IsConnected() && Packet->HaveTranscodableAmbe() )
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{
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// yes, push packet to trancoder queue
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// trancoder will push it after transcoding
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// is completed
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m_CodecStream->push(Packet);
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}
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else
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{
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// no, just bypass tarnscoder
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push(Packet);
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}
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}
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m_CodecStream->Unlock();
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}
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else
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{
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// otherwise, push direct push
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push(Packet);
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}
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}
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bool CPacketStream::IsEmpty(void) const
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{
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bool bEmpty = empty();
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// also check no packets still in Codec stream's queue
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if ( bEmpty && (m_CodecStream != NULL) )
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{
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bEmpty &= m_CodecStream->IsEmpty();
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}
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// done
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return bEmpty;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// get
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const CIp *CPacketStream::GetOwnerIp(void)
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{
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if ( m_OwnerClient != NULL )
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{
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return &(m_OwnerClient->GetIp());
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}
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return NULL;
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}
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