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/* $Id$ */ |
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/* |
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* FreeBob Streaming API |
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* FreeBob = Firewire (pro-)audio for linux |
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* |
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* http://freebob.sf.net |
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* |
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* Copyright (C) 2007 Pieter Palmers <pieterpalmers@users.sourceforge.net> |
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* |
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* This program 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 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program 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 this program {} if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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* |
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* |
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*/ |
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#ifndef __FREEBOB_SYTMONITOR__ |
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#define __FREEBOB_SYTMONITOR__ |
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#include "src/libstreaming/IsoStream.h" |
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#include "src/libstreaming/cip.h" |
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#include "src/libstreaming/cycletimer.h" |
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#include "src/libutil/ringbuffer.h" |
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using namespace Streaming; |
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struct cycle_info { |
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unsigned int cycle; |
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unsigned int seconds; |
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unsigned int syt; |
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unsigned int full_syt; |
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unsigned int pres_seconds; |
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unsigned int pres_cycle; |
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unsigned int pres_offset; |
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uint64_t pres_ticks; |
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}; |
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class SytMonitor |
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: public IsoStream |
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{ |
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public: |
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SytMonitor(int port); |
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virtual ~SytMonitor(); |
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virtual enum raw1394_iso_disposition |
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putPacket(unsigned char *data, unsigned int length, |
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unsigned char channel, unsigned char tag, unsigned char sy, |
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unsigned int cycle, unsigned int dropped); |
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void dumpInfo(); |
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unsigned int getMaxPacketSize() {return 4096;}; |
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unsigned int getPacketsPerPeriod() {return 1;}; |
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bool readNextCycleInfo(struct cycle_info *cif); |
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bool consumeNextCycleInfo(); |
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bool putCycleInfo(struct cycle_info *cif); |
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IsoHandler * getHandler() {return m_handler;}; |
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protected: |
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freebob_ringbuffer_t * m_cinfo_buffer; |
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DECLARE_DEBUG_MODULE; |
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}; |
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#endif /* __FREEBOB_SYTMONITOR__ */ |
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