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<div id="projectname">Jack2 <span id="projectnumber">1.9.7</span></div>
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<h1>JackDriver.cpp</h1> </div>
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<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">Copyright (C) 2001 Paul Davis</span>
<a name="l00003"></a>00003 <span class="comment">Copyright (C) 2004-2008 Grame</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment">This program is free software; you can redistribute it and/or modify</span>
<a name="l00006"></a>00006 <span class="comment">it under the terms of the GNU General Public License as published by</span>
<a name="l00007"></a>00007 <span class="comment">the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00008"></a>00008 <span class="comment">(at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00013"></a>00013 <span class="comment">GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment">You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment">along with this program; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment">Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment">*/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include "JackSystemDeps.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "JackDriver.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "JackTime.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "JackError.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "JackPort.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "JackGraphManager.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "JackGlobals.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "JackEngineControl.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "JackClientControl.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "JackLockedEngine.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <math.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <assert.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">using namespace </span>std;
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">namespace </span>Jack
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038
<a name="l00039"></a>00039 JackDriver::JackDriver(<span class="keyword">const</span> <span class="keywordtype">char</span>* name, <span class="keyword">const</span> <span class="keywordtype">char</span>* alias, JackLockedEngine* engine, JackSynchro* table)
<a name="l00040"></a>00040 :fClientControl(name)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 assert(strlen(name) < JACK_CLIENT_NAME_SIZE);
<a name="l00043"></a>00043 fSynchroTable = table;
<a name="l00044"></a>00044 strcpy(fAliasName, alias);
<a name="l00045"></a>00045 fEngine = engine;
<a name="l00046"></a>00046 fGraphManager = NULL;
<a name="l00047"></a>00047 fBeginDateUst = 0;
<a name="l00048"></a>00048 fDelayedUsecs = 0.f;
<a name="l00049"></a>00049 fIsMaster = <span class="keyword">true</span>;
<a name="l00050"></a>00050 fIsRunning = <span class="keyword">false</span>;
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 JackDriver::JackDriver()
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 fSynchroTable = NULL;
<a name="l00056"></a>00056 fEngine = NULL;
<a name="l00057"></a>00057 fGraphManager = NULL;
<a name="l00058"></a>00058 fBeginDateUst = 0;
<a name="l00059"></a>00059 fIsMaster = <span class="keyword">true</span>;
<a name="l00060"></a>00060 fIsRunning = <span class="keyword">false</span>;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 JackDriver::~JackDriver()
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"~JackDriver"</span>);
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordtype">int</span> JackDriver::Open()
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="keywordtype">int</span> refnum = -1;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (fEngine->ClientInternalOpen(fClientControl.fName, &refnum, &fEngineControl, &fGraphManager, <span class="keyword">this</span>, <span class="keyword">false</span>) != 0) {
<a name="l00073"></a>00073 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Cannot allocate internal client for driver"</span>);
<a name="l00074"></a>00074 <span class="keywordflow">return</span> -1;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 fClientControl.fRefNum = refnum;
<a name="l00078"></a>00078 fClientControl.fActive = <span class="keyword">true</span>;
<a name="l00079"></a>00079 fEngineControl->fDriverNum++;
<a name="l00080"></a>00080 fGraphManager->DirectConnect(fClientControl.fRefNum, fClientControl.fRefNum); <span class="comment">// Connect driver to itself for "sync" mode</span>
<a name="l00081"></a>00081 <a class="code" href="classJack_1_1JackDriver.html#a4e7c9f51aafaf56ac012747ce1852301">SetupDriverSync</a>(fClientControl.fRefNum, <span class="keyword">false</span>);
<a name="l00082"></a>00082 <span class="keywordflow">return</span> 0;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordtype">int</span> JackDriver::Open(<span class="keywordtype">bool</span> capturing,
<a name="l00086"></a>00086 <span class="keywordtype">bool</span> playing,
<a name="l00087"></a>00087 <span class="keywordtype">int</span> inchannels,
<a name="l00088"></a>00088 <span class="keywordtype">int</span> outchannels,
<a name="l00089"></a>00089 <span class="keywordtype">bool</span> monitor,
<a name="l00090"></a>00090 <span class="keyword">const</span> <span class="keywordtype">char</span>* capture_driver_name,
<a name="l00091"></a>00091 <span class="keyword">const</span> <span class="keywordtype">char</span>* playback_driver_name,
<a name="l00092"></a>00092 jack_nframes_t capture_latency,
<a name="l00093"></a>00093 jack_nframes_t playback_latency)
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::Open capture_driver_name = %s"</span>, capture_driver_name);
<a name="l00096"></a>00096 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::Open playback_driver_name = %s"</span>, playback_driver_name);
<a name="l00097"></a>00097 <span class="keywordtype">int</span> refnum = -1;
<a name="l00098"></a>00098 <span class="keywordtype">char</span> name_res[JACK_CLIENT_NAME_SIZE + 1];
<a name="l00099"></a>00099 <span class="keywordtype">int</span> status;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="comment">// Check name and possibly rename</span>
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (fEngine->ClientCheck(fClientControl.fName, -1, name_res, JACK_PROTOCOL_VERSION, (<span class="keywordtype">int</span>)JackNullOption, (<span class="keywordtype">int</span>*)&status) < 0) {
<a name="l00103"></a>00103 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Client name = %s conflits with another running client"</span>, fClientControl.fName);
<a name="l00104"></a>00104 <span class="keywordflow">return</span> -1;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 strcpy(fClientControl.fName, name_res);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordflow">if</span> (fEngine->ClientInternalOpen(fClientControl.fName, &refnum, &fEngineControl, &fGraphManager, <span class="keyword">this</span>, <span class="keyword">false</span>) != 0) {
<a name="l00109"></a>00109 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Cannot allocate internal client for driver"</span>);
<a name="l00110"></a>00110 <span class="keywordflow">return</span> -1;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 fClientControl.fRefNum = refnum;
<a name="l00114"></a>00114 fClientControl.fActive = <span class="keyword">true</span>;
<a name="l00115"></a>00115 fEngineControl->fDriverNum++;
<a name="l00116"></a>00116 fCaptureLatency = capture_latency;
<a name="l00117"></a>00117 fPlaybackLatency = playback_latency;
<a name="l00118"></a>00118
<a name="l00119"></a>00119 assert(strlen(capture_driver_name) < JACK_CLIENT_NAME_SIZE);
<a name="l00120"></a>00120 assert(strlen(playback_driver_name) < JACK_CLIENT_NAME_SIZE);
<a name="l00121"></a>00121
<a name="l00122"></a>00122 strcpy(fCaptureDriverName, capture_driver_name);
<a name="l00123"></a>00123 strcpy(fPlaybackDriverName, playback_driver_name);
<a name="l00124"></a>00124
<a name="l00125"></a>00125 fEngineControl->fPeriodUsecs = jack_time_t(1000000.f / fEngineControl->fSampleRate * fEngineControl->fBufferSize); <span class="comment">// in microsec</span>
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (!fEngineControl->fTimeOut)
<a name="l00127"></a>00127 fEngineControl->fTimeOutUsecs = jack_time_t(2.f * fEngineControl->fPeriodUsecs);
<a name="l00128"></a>00128
<a name="l00129"></a>00129 fGraphManager->DirectConnect(fClientControl.fRefNum, fClientControl.fRefNum); <span class="comment">// Connect driver to itself for "sync" mode</span>
<a name="l00130"></a>00130 <a class="code" href="classJack_1_1JackDriver.html#a4e7c9f51aafaf56ac012747ce1852301">SetupDriverSync</a>(fClientControl.fRefNum, <span class="keyword">false</span>);
<a name="l00131"></a>00131 <span class="keywordflow">return</span> 0;
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keywordtype">int</span> JackDriver::Open(jack_nframes_t buffer_size,
<a name="l00135"></a>00135 jack_nframes_t samplerate,
<a name="l00136"></a>00136 <span class="keywordtype">bool</span> capturing,
<a name="l00137"></a>00137 <span class="keywordtype">bool</span> playing,
<a name="l00138"></a>00138 <span class="keywordtype">int</span> inchannels,
<a name="l00139"></a>00139 <span class="keywordtype">int</span> outchannels,
<a name="l00140"></a>00140 <span class="keywordtype">bool</span> monitor,
<a name="l00141"></a>00141 <span class="keyword">const</span> <span class="keywordtype">char</span>* capture_driver_name,
<a name="l00142"></a>00142 <span class="keyword">const</span> <span class="keywordtype">char</span>* playback_driver_name,
<a name="l00143"></a>00143 jack_nframes_t capture_latency,
<a name="l00144"></a>00144 jack_nframes_t playback_latency)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::Open capture_driver_name = %s"</span>, capture_driver_name);
<a name="l00147"></a>00147 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::Open playback_driver_name = %s"</span>, playback_driver_name);
<a name="l00148"></a>00148 <span class="keywordtype">int</span> refnum = -1;
<a name="l00149"></a>00149 <span class="keywordtype">char</span> name_res[JACK_CLIENT_NAME_SIZE + 1];
<a name="l00150"></a>00150 <span class="keywordtype">int</span> status;
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="comment">// Check name and possibly rename</span>
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (fEngine->ClientCheck(fClientControl.fName, -1, name_res, JACK_PROTOCOL_VERSION, (<span class="keywordtype">int</span>)JackNullOption, (<span class="keywordtype">int</span>*)&status) < 0) {
<a name="l00154"></a>00154 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Client name = %s conflits with another running client"</span>, fClientControl.fName);
<a name="l00155"></a>00155 <span class="keywordflow">return</span> -1;
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157 strcpy(fClientControl.fName, name_res);
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keywordflow">if</span> (fEngine->ClientInternalOpen(fClientControl.fName, &refnum, &fEngineControl, &fGraphManager, <span class="keyword">this</span>, <span class="keyword">false</span>) != 0) {
<a name="l00160"></a>00160 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Cannot allocate internal client for driver"</span>);
<a name="l00161"></a>00161 <span class="keywordflow">return</span> -1;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 fClientControl.fRefNum = refnum;
<a name="l00165"></a>00165 fClientControl.fActive = <span class="keyword">true</span>;
<a name="l00166"></a>00166 fEngineControl->fDriverNum++;
<a name="l00167"></a>00167 fEngineControl->fBufferSize = buffer_size;
<a name="l00168"></a>00168 fEngineControl->fSampleRate = samplerate;
<a name="l00169"></a>00169 fCaptureLatency = capture_latency;
<a name="l00170"></a>00170 fPlaybackLatency = playback_latency;
<a name="l00171"></a>00171
<a name="l00172"></a>00172 assert(strlen(capture_driver_name) < JACK_CLIENT_NAME_SIZE);
<a name="l00173"></a>00173 assert(strlen(playback_driver_name) < JACK_CLIENT_NAME_SIZE);
<a name="l00174"></a>00174
<a name="l00175"></a>00175 strcpy(fCaptureDriverName, capture_driver_name);
<a name="l00176"></a>00176 strcpy(fPlaybackDriverName, playback_driver_name);
<a name="l00177"></a>00177
<a name="l00178"></a>00178 fEngineControl->fPeriodUsecs = jack_time_t(1000000.f / fEngineControl->fSampleRate * fEngineControl->fBufferSize); <span class="comment">// in microsec</span>
<a name="l00179"></a>00179 <span class="keywordflow">if</span> (!fEngineControl->fTimeOut)
<a name="l00180"></a>00180 fEngineControl->fTimeOutUsecs = jack_time_t(2.f * fEngineControl->fPeriodUsecs);
<a name="l00181"></a>00181
<a name="l00182"></a>00182 fGraphManager->SetBufferSize(buffer_size);
<a name="l00183"></a>00183 fGraphManager->DirectConnect(fClientControl.fRefNum, fClientControl.fRefNum); <span class="comment">// Connect driver to itself for "sync" mode</span>
<a name="l00184"></a>00184 <a class="code" href="classJack_1_1JackDriver.html#a4e7c9f51aafaf56ac012747ce1852301">SetupDriverSync</a>(fClientControl.fRefNum, <span class="keyword">false</span>);
<a name="l00185"></a>00185 <span class="keywordflow">return</span> 0;
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keywordtype">int</span> JackDriver::Close()
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="keywordflow">if</span> (fClientControl.fRefNum >= 0) {
<a name="l00191"></a>00191 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::Close"</span>);
<a name="l00192"></a>00192 fGraphManager->DirectDisconnect(fClientControl.fRefNum, fClientControl.fRefNum); <span class="comment">// Disconnect driver from itself for sync</span>
<a name="l00193"></a>00193 fClientControl.fActive = <span class="keyword">false</span>;
<a name="l00194"></a>00194 fEngineControl->fDriverNum--;
<a name="l00195"></a>00195 <span class="keywordflow">return</span> fEngine->ClientInternalClose(fClientControl.fRefNum, <span class="keyword">false</span>);
<a name="l00196"></a>00196 } <span class="keywordflow">else</span> {
<a name="l00197"></a>00197 <span class="keywordflow">return</span> -1;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00206"></a><a class="code" href="classJack_1_1JackDriver.html#a4e7c9f51aafaf56ac012747ce1852301">00206</a> <span class="keywordtype">void</span> <a class="code" href="classJack_1_1JackDriver.html#a4e7c9f51aafaf56ac012747ce1852301">JackDriver::SetupDriverSync</a>(<span class="keywordtype">int</span> ref, <span class="keywordtype">bool</span> freewheel)
<a name="l00207"></a>00207 {
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (!freewheel && !fEngineControl->fSyncMode) {
<a name="l00209"></a>00209 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::SetupDriverSync driver sem in flush mode"</span>);
<a name="l00210"></a>00210 fSynchroTable[ref].SetFlush(<span class="keyword">true</span>);
<a name="l00211"></a>00211 } <span class="keywordflow">else</span> {
<a name="l00212"></a>00212 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::SetupDriverSync driver sem in normal mode"</span>);
<a name="l00213"></a>00213 fSynchroTable[ref].SetFlush(<span class="keyword">false</span>);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="keywordtype">int</span> JackDriver::ClientNotify(<span class="keywordtype">int</span> refnum, <span class="keyword">const</span> <span class="keywordtype">char</span>* name, <span class="keywordtype">int</span> notify, <span class="keywordtype">int</span> sync, <span class="keyword">const</span> <span class="keywordtype">char</span>* message, <span class="keywordtype">int</span> value1, <span class="keywordtype">int</span> value2)
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 <span class="keywordflow">switch</span> (notify) {
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="keywordflow">case</span> kStartFreewheelCallback:
<a name="l00222"></a>00222 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::kStartFreewheel"</span>);
<a name="l00223"></a>00223 <a class="code" href="classJack_1_1JackDriver.html#a4e7c9f51aafaf56ac012747ce1852301">SetupDriverSync</a>(fClientControl.fRefNum, <span class="keyword">true</span>);
<a name="l00224"></a>00224 <span class="keywordflow">break</span>;
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="keywordflow">case</span> kStopFreewheelCallback:
<a name="l00227"></a>00227 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackDriver::kStopFreewheel"</span>);
<a name="l00228"></a>00228 <a class="code" href="classJack_1_1JackDriver.html#a4e7c9f51aafaf56ac012747ce1852301">SetupDriverSync</a>(fClientControl.fRefNum, <span class="keyword">false</span>);
<a name="l00229"></a>00229 <span class="keywordflow">break</span>;
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="keywordflow">return</span> 0;
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="keywordtype">bool</span> JackDriver::IsRealTime()<span class="keyword"> const</span>
<a name="l00236"></a>00236 <span class="keyword"></span>{
<a name="l00237"></a>00237 <span class="keywordflow">return</span> fEngineControl->fRealTime;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keywordtype">void</span> JackDriver::CycleIncTime()
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 fEngineControl->CycleIncTime(fBeginDateUst);
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordtype">void</span> JackDriver::CycleTakeBeginTime()
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 fBeginDateUst = GetMicroSeconds(); <span class="comment">// Take callback date here</span>
<a name="l00248"></a>00248 fEngineControl->CycleIncTime(fBeginDateUst);
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keywordtype">void</span> JackDriver::CycleTakeEndTime()
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 fEndDateUst = GetMicroSeconds(); <span class="comment">// Take end date here</span>
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255
<a name="l00256"></a>00256 JackClientControl* JackDriver::GetClientControl()<span class="keyword"> const</span>
<a name="l00257"></a>00257 <span class="keyword"></span>{
<a name="l00258"></a>00258 <span class="keywordflow">return</span> (JackClientControl*)&fClientControl;
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261 <span class="keywordtype">void</span> JackDriver::NotifyXRun(jack_time_t cur_cycle_begin, <span class="keywordtype">float</span> delayed_usecs)
<a name="l00262"></a>00262 {
<a name="l00263"></a>00263 fEngine->NotifyXRun(cur_cycle_begin, delayed_usecs);
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="keywordtype">void</span> JackDriver::NotifyBufferSize(jack_nframes_t buffer_size)
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268 fEngine->NotifyBufferSize(buffer_size);
<a name="l00269"></a>00269 fEngineControl->InitFrameTime();
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="keywordtype">void</span> JackDriver::NotifySampleRate(jack_nframes_t sample_rate)
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274 fEngine->NotifySampleRate(sample_rate);
<a name="l00275"></a>00275 fEngineControl->InitFrameTime();
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="keywordtype">void</span> JackDriver::NotifyFailure(<span class="keywordtype">int</span> code, <span class="keyword">const</span> <span class="keywordtype">char</span>* reason)
<a name="l00279"></a>00279 {
<a name="l00280"></a>00280 fEngine->NotifyFailure(code, reason);
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 <span class="keywordtype">void</span> JackDriver::SetMaster(<span class="keywordtype">bool</span> onoff)
<a name="l00284"></a>00284 {
<a name="l00285"></a>00285 fIsMaster = onoff;
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="keywordtype">bool</span> JackDriver::GetMaster()
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 <span class="keywordflow">return</span> fIsMaster;
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="keywordtype">void</span> JackDriver::AddSlave(JackDriverInterface* slave)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 fSlaveList.push_back(slave);
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <span class="keywordtype">void</span> JackDriver::RemoveSlave(JackDriverInterface* slave)
<a name="l00299"></a>00299 {
<a name="l00300"></a>00300 fSlaveList.remove(slave);
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302
<a name="l00303"></a>00303 <span class="keywordtype">int</span> JackDriver::ProcessSlaves()
<a name="l00304"></a>00304 {
<a name="l00305"></a>00305 <span class="keywordtype">int</span> res = 0;
<a name="l00306"></a>00306 list<JackDriverInterface*>::const_iterator it;
<a name="l00307"></a>00307 <span class="keywordflow">for</span> (it = fSlaveList.begin(); it != fSlaveList.end(); it++) {
<a name="l00308"></a>00308 JackDriverInterface* slave = *it;
<a name="l00309"></a>00309 <span class="keywordflow">if</span> (slave->Process() < 0)
<a name="l00310"></a>00310 res = -1;
<a name="l00311"></a>00311
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="keywordflow">return</span> res;
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315
<a name="l00316"></a>00316 <span class="keywordtype">int</span> JackDriver::Process()
<a name="l00317"></a>00317 {
<a name="l00318"></a>00318 <span class="keywordflow">return</span> 0;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keywordtype">int</span> JackDriver::ProcessNull()
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 <span class="keywordflow">return</span> 0;
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <span class="keywordtype">int</span> JackDriver::Attach()
<a name="l00327"></a>00327 {
<a name="l00328"></a>00328 <span class="keywordflow">return</span> 0;
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordtype">int</span> JackDriver::Detach()
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 <span class="keywordflow">return</span> 0;
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keywordtype">int</span> JackDriver::Read()
<a name="l00337"></a>00337 {
<a name="l00338"></a>00338 <span class="keywordflow">return</span> 0;
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="keywordtype">int</span> JackDriver::Write()
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343 <span class="keywordflow">return</span> 0;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordtype">int</span> JackDriver::Start()
<a name="l00347"></a>00347 {
<a name="l00348"></a>00348 <span class="keywordflow">if</span> (fIsMaster) {
<a name="l00349"></a>00349 fEngineControl->InitFrameTime();
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351 fIsRunning = <span class="keyword">true</span>;
<a name="l00352"></a>00352 <span class="keywordflow">return</span> 0;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354
<a name="l00355"></a>00355 <span class="keywordtype">int</span> JackDriver::StartSlaves()
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 <span class="keywordtype">int</span> res = 0;
<a name="l00358"></a>00358 list<JackDriverInterface*>::const_iterator it;
<a name="l00359"></a>00359 <span class="keywordflow">for</span> (it = fSlaveList.begin(); it != fSlaveList.end(); it++) {
<a name="l00360"></a>00360 JackDriverInterface* slave = *it;
<a name="l00361"></a>00361 <span class="keywordflow">if</span> (slave->Start() < 0) {
<a name="l00362"></a>00362 res = -1;
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="comment">// XXX: We should attempt to stop all of the slaves that we've</span>
<a name="l00365"></a>00365 <span class="comment">// started here.</span>
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordflow">break</span>;
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370 <span class="keywordflow">return</span> res;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keywordtype">int</span> JackDriver::Stop()
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375 fIsRunning = <span class="keyword">false</span>;
<a name="l00376"></a>00376 <span class="keywordflow">return</span> 0;
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="keywordtype">int</span> JackDriver::StopSlaves()
<a name="l00380"></a>00380 {
<a name="l00381"></a>00381 <span class="keywordtype">int</span> res = 0;
<a name="l00382"></a>00382 list<JackDriverInterface*>::const_iterator it;
<a name="l00383"></a>00383 <span class="keywordflow">for</span> (it = fSlaveList.begin(); it != fSlaveList.end(); it++) {
<a name="l00384"></a>00384 JackDriverInterface* slave = *it;
<a name="l00385"></a>00385 <span class="keywordflow">if</span> (slave->Stop() < 0)
<a name="l00386"></a>00386 res = -1;
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 <span class="keywordflow">return</span> res;
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordtype">bool</span> JackDriver::IsFixedBufferSize()
<a name="l00392"></a>00392 {
<a name="l00393"></a>00393 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <span class="keywordtype">int</span> JackDriver::SetBufferSize(jack_nframes_t buffer_size)
<a name="l00397"></a>00397 {
<a name="l00398"></a>00398 <span class="keywordflow">return</span> 0;
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordtype">int</span> JackDriver::SetSampleRate(jack_nframes_t sample_rate)
<a name="l00402"></a>00402 {
<a name="l00403"></a>00403 <span class="keywordflow">return</span> 0;
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keywordtype">bool</span> JackDriver::Initialize()
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411
<a name="l00412"></a>00412 } <span class="comment">// end of namespace</span>
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