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# isndsys/ss_eventrecorder.h

    00001 /*
    00002 Copyright (C) 2006 by Andrew Mann
    00003
    00004 This library is free software; you can redistribute it and/or
    00005 modify it under the terms of the GNU Library General Public
    00006 License as published by the Free Software Foundation; either
    00007 version 2 of the License, or (at your option) any later version.
    00008
    00009 This library is distributed in the hope that it will be useful,
    00010 but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012 Library General Public License for more details.
    00013
    00014 You should have received a copy of the GNU Library General Public
    00015 License along with this library; if not, write to the Free
    00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00017 */
    00018
    00019 #ifndef CS_SNDSYS_EVENTRECORDER_H
    00020 #define CS_SNDSYS_EVENTRECORDER_H
    00021
    00022 struct iSndSysEventRecorder;
    00023
    00024
    00025 typedef enum
    00026 {
    00027   SSEL_BUG,      // This event is surely a bug in our code - think of it like a loggable assertion
    00028   SSEL_CRITICAL, // This event is so important you must absolutely know about it.  It may or may not be a bug in our code.
    00029   SSEL_ERROR,    // Something bad happened for sure, but we can deal with it
    00030   SSEL_WARNING,  // Something bad _might_ be happening
    00031   SSEL_DEBUG     // General information that's really good to know for debugging purposes
    00032 } SndSysEventLevel;
    00033
    00034 typedef enum
    00035 {
    00036   SSEC_DRIVER, // Event is related to the driver
    00037   SSEC_RENDERER, // Event is related to the renderer, but not particularly a source or stream
    00038   SSEC_SOURCE,   // Event is related to a particular source
    00039   SSEC_STREAM,   // Event is related to a particular stream element
    00040   SSEC_DATA      // Event is relayed to a data element
    00041 } SndSysEventCategory;
    00042
    00043
    00044
    00045
    00046
    00048 //
    00049 //   Important events in the sound system happen many times per second.  Logging or reporting such a massive amount
    00050 //   of data can be unweildy (and annoying if you're not debugging the sound system).
    00051 //
    00052 //   Additionally, sound events are often time critical - just knowing that a buffer was filled after some other action
    00053 //   is frequently not enough.  A frequent requirement is to know the exact time between two events - as precise as possible.
    00054 //
    00055 //   This interface provides these services for the sound system.
    00056 struct iSndSysEventRecorder : public virtual iBase
    00057 {
    00059   SCF_INTERFACE (iSndSysEventRecorder, 1, 0, 0);
    00060
    00062   virtual void RecordEvent(SndSysEventCategory, SndSysEventLevel, const char* Description, ...) CS_GNUC_PRINTF(4, 5) = 0;
    00063
    00065   virtual void RecordEventV(SndSysEventCategory, SndSysEventLevel, const char* Description, va_list) CS_GNUC_PRINTF(4, 0) = 0;
    00066
    00067 };
    00068
    00069
    00070 #endif // #ifndef CS_SNDSYS_EVENTRECORDER_H
    00071
    00072