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<h1>JackPhysicalMidiInput.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) 2009 Devin Anderson</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment">This program is free software; you can redistribute it and/or modify</span>
<a name="l00005"></a>00005 <span class="comment">it under the terms of the GNU Lesser General Public License as published by</span>
<a name="l00006"></a>00006 <span class="comment">the Free Software Foundation; either version 2.1 of the License, or</span>
<a name="l00007"></a>00007 <span class="comment">(at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">This program is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00012"></a>00012 <span class="comment">GNU Lesser General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00015"></a>00015 <span class="comment">along with this program; if not, write to the Free Software</span>
<a name="l00016"></a>00016 <span class="comment">Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment">*/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include <cassert></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <cstring></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <new></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "JackError.h"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "JackPhysicalMidiInput.h"</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">namespace </span>Jack {
<a name="l00028"></a>00028
<a name="l00029"></a>00029 JackPhysicalMidiInput::JackPhysicalMidiInput(<span class="keywordtype">size_t</span> buffer_size)
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 <span class="keywordtype">size_t</span> datum_size = <span class="keyword">sizeof</span>(jack_midi_data_t);
<a name="l00032"></a>00032 assert(buffer_size > 0);
<a name="l00033"></a>00033 input_ring = <a class="code" href="ringbuffer_8h.html#a11f9045eb4b0561b26ec434c44e3c922">jack_ringbuffer_create</a>((buffer_size + 1) * datum_size);
<a name="l00034"></a>00034 <span class="keywordflow">if</span> (! input_ring) {
<a name="l00035"></a>00035 <span class="keywordflow">throw</span> std::bad_alloc();
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 <a class="code" href="ringbuffer_8h.html#aeb059ff23c65389d48ebbe948f05c2b2">jack_ringbuffer_mlock</a>(input_ring);
<a name="l00038"></a>00038 Clear();
<a name="l00039"></a>00039 expected_data_bytes = 0;
<a name="l00040"></a>00040 status_byte = 0;
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043 JackPhysicalMidiInput::~JackPhysicalMidiInput()
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <a class="code" href="ringbuffer_8h.html#aa82de39e73e06aa729e092710b83ef61">jack_ringbuffer_free</a>(input_ring);
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keywordtype">void</span>
<a name="l00049"></a>00049 JackPhysicalMidiInput::Clear()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <a class="code" href="ringbuffer_8h.html#a40244c7eee331822cd99132a14e76896">jack_ringbuffer_reset</a>(input_ring);
<a name="l00052"></a>00052 buffered_bytes = 0;
<a name="l00053"></a>00053 unbuffered_bytes = 0;
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordtype">void</span>
<a name="l00057"></a>00057 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0fd19af60855e3edcf7b38358a16606c">JackPhysicalMidiInput::HandleBufferFailure</a>(<span class="keywordtype">size_t</span> unbuffered_bytes,
<a name="l00058"></a><a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0fd19af60855e3edcf7b38358a16606c">00058</a> <span class="keywordtype">size_t</span> total_bytes)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"%d MIDI byte(s) of a %d byte message could not be buffered - "</span>
<a name="l00061"></a>00061 <span class="stringliteral">"message dropped"</span>, unbuffered_bytes, total_bytes);
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordtype">void</span>
<a name="l00065"></a>00065 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#ae04a4d598c4fda237dee2efac06d5555">JackPhysicalMidiInput::HandleIncompleteMessage</a>(<span class="keywordtype">size_t</span> bytes)
<a name="l00066"></a><a class="code" href="classJack_1_1JackPhysicalMidiInput.html#ae04a4d598c4fda237dee2efac06d5555">00066</a> {
<a name="l00067"></a>00067 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Discarding %d MIDI byte(s) - incomplete message (cable "</span>
<a name="l00068"></a>00068 <span class="stringliteral">"unplugged?)"</span>, bytes);
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">void</span>
<a name="l00072"></a>00072 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a64625768b2fbe56169d93482eabc0488">JackPhysicalMidiInput::HandleInvalidStatusByte</a>(jack_midi_data_t status)
<a name="l00073"></a><a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a64625768b2fbe56169d93482eabc0488">00073</a> {
<a name="l00074"></a>00074 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Dropping invalid MIDI status byte '%x'"</span>,
<a name="l00075"></a>00075 (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) status);
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordtype">void</span>
<a name="l00079"></a>00079 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a18b98b6e73a2aa01180e40709a6c3ef0">JackPhysicalMidiInput::HandleUnexpectedSysexEnd</a>(<span class="keywordtype">size_t</span> bytes)
<a name="l00080"></a><a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a18b98b6e73a2aa01180e40709a6c3ef0">00080</a> {
<a name="l00081"></a>00081 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Discarding %d MIDI byte(s) - received sysex end without sysex "</span>
<a name="l00082"></a>00082 <span class="stringliteral">"start (cable unplugged?)"</span>, bytes);
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keywordtype">void</span>
<a name="l00086"></a>00086 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0add613eb4b21d972f4727955f5db951">JackPhysicalMidiInput::HandleWriteFailure</a>(<span class="keywordtype">size_t</span> bytes)
<a name="l00087"></a><a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0add613eb4b21d972f4727955f5db951">00087</a> {
<a name="l00088"></a>00088 <a class="code" href="group__ServerControl.html#gac6448626e0b75fc6d9da1ccbdca0355e">jack_error</a>(<span class="stringliteral">"Failed to write a %d byte MIDI message to the port buffer"</span>,
<a name="l00089"></a>00089 bytes);
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordtype">void</span>
<a name="l00093"></a>00093 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a811abb87029b67eaf01e9f2a223ca6d9">JackPhysicalMidiInput::Process</a>(jack_nframes_t frames)
<a name="l00094"></a><a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a811abb87029b67eaf01e9f2a223ca6d9">00094</a> {
<a name="l00095"></a>00095 assert(port_buffer);
<a name="l00096"></a>00096 port_buffer->Reset(frames);
<a name="l00097"></a>00097 jack_nframes_t current_frame = 0;
<a name="l00098"></a>00098 <span class="keywordtype">size_t</span> datum_size = <span class="keyword">sizeof</span>(jack_midi_data_t);
<a name="l00099"></a>00099 <span class="keywordflow">for</span> (;;) {
<a name="l00100"></a>00100 jack_midi_data_t datum;
<a name="l00101"></a>00101 current_frame = <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a20266cc9c4820500898ba2bc6d5f03ab">Receive</a>(&datum, current_frame, frames);
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (current_frame >= frames) {
<a name="l00103"></a>00103 <span class="keywordflow">break</span>;
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackPhysicalMidiInput::Process (%d) - Received '%x' byte"</span>,
<a name="l00107"></a>00107 current_frame, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) datum);
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (datum >= 0xf8) {
<a name="l00110"></a>00110 <span class="comment">// Realtime</span>
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (datum == 0xfd) {
<a name="l00112"></a>00112 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a64625768b2fbe56169d93482eabc0488">HandleInvalidStatusByte</a>(datum);
<a name="l00113"></a>00113 } <span class="keywordflow">else</span> {
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackPhysicalMidiInput::Process - Writing realtime "</span>
<a name="l00116"></a>00116 <span class="stringliteral">"event."</span>);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 WriteByteEvent(current_frame, datum);
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 <span class="keywordflow">continue</span>;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (datum == 0xf7) {
<a name="l00123"></a>00123 <span class="comment">// Sysex end</span>
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (status_byte != 0xf0) {
<a name="l00125"></a>00125 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a18b98b6e73a2aa01180e40709a6c3ef0">HandleUnexpectedSysexEnd</a>(buffered_bytes + unbuffered_bytes);
<a name="l00126"></a>00126 Clear();
<a name="l00127"></a>00127 expected_data_bytes = 0;
<a name="l00128"></a>00128 status_byte = 0;
<a name="l00129"></a>00129 } <span class="keywordflow">else</span> {
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackPhysicalMidiInput::Process - Writing sysex "</span>
<a name="l00132"></a>00132 <span class="stringliteral">"event."</span>);
<a name="l00133"></a>00133
<a name="l00134"></a>00134 WriteBufferedSysexEvent(current_frame);
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 <span class="keywordflow">continue</span>;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (datum >= 0x80) {
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="comment">// We're handling a non-realtime status byte</span>
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackPhysicalMidiInput::Process - Handling non-realtime "</span>
<a name="l00143"></a>00143 <span class="stringliteral">"status byte."</span>);
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (buffered_bytes || unbuffered_bytes) {
<a name="l00146"></a>00146 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#ae04a4d598c4fda237dee2efac06d5555">HandleIncompleteMessage</a>(buffered_bytes + unbuffered_bytes + 1);
<a name="l00147"></a>00147 Clear();
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 status_byte = datum;
<a name="l00150"></a>00150 <span class="keywordflow">switch</span> (datum & 0xf0) {
<a name="l00151"></a>00151 <span class="keywordflow">case</span> 0x80:
<a name="l00152"></a>00152 <span class="keywordflow">case</span> 0x90:
<a name="l00153"></a>00153 <span class="keywordflow">case</span> 0xa0:
<a name="l00154"></a>00154 <span class="keywordflow">case</span> 0xb0:
<a name="l00155"></a>00155 <span class="keywordflow">case</span> 0xe0:
<a name="l00156"></a>00156 <span class="comment">// Note On, Note Off, Aftertouch, Control Change, Pitch Wheel</span>
<a name="l00157"></a>00157 expected_data_bytes = 2;
<a name="l00158"></a>00158 <span class="keywordflow">break</span>;
<a name="l00159"></a>00159 <span class="keywordflow">case</span> 0xc0:
<a name="l00160"></a>00160 <span class="keywordflow">case</span> 0xd0:
<a name="l00161"></a>00161 <span class="comment">// Program Change, Channel Pressure</span>
<a name="l00162"></a>00162 expected_data_bytes = 1;
<a name="l00163"></a>00163 <span class="keywordflow">break</span>;
<a name="l00164"></a>00164 <span class="keywordflow">case</span> 0xf0:
<a name="l00165"></a>00165 <span class="keywordflow">switch</span> (datum) {
<a name="l00166"></a>00166 <span class="keywordflow">case</span> 0xf0:
<a name="l00167"></a>00167 <span class="comment">// Sysex message</span>
<a name="l00168"></a>00168 expected_data_bytes = 0;
<a name="l00169"></a>00169 <span class="keywordflow">break</span>;
<a name="l00170"></a>00170 <span class="keywordflow">case</span> 0xf1:
<a name="l00171"></a>00171 <span class="keywordflow">case</span> 0xf3:
<a name="l00172"></a>00172 <span class="comment">// MTC Quarter frame, Song Select</span>
<a name="l00173"></a>00173 expected_data_bytes = 1;
<a name="l00174"></a>00174 <span class="keywordflow">break</span>;
<a name="l00175"></a>00175 <span class="keywordflow">case</span> 0xf2:
<a name="l00176"></a>00176 <span class="comment">// Song Position</span>
<a name="l00177"></a>00177 expected_data_bytes = 2;
<a name="l00178"></a>00178 <span class="keywordflow">break</span>;
<a name="l00179"></a>00179 <span class="keywordflow">case</span> 0xf4:
<a name="l00180"></a>00180 <span class="keywordflow">case</span> 0xf5:
<a name="l00181"></a>00181 <span class="comment">// Undefined</span>
<a name="l00182"></a>00182 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a64625768b2fbe56169d93482eabc0488">HandleInvalidStatusByte</a>(datum);
<a name="l00183"></a>00183 expected_data_bytes = 0;
<a name="l00184"></a>00184 status_byte = 0;
<a name="l00185"></a>00185 <span class="keywordflow">break</span>;
<a name="l00186"></a>00186 <span class="keywordflow">case</span> 0xf6:
<a name="l00187"></a>00187 <span class="comment">// Tune Request</span>
<a name="l00188"></a>00188 WriteByteEvent(current_frame, datum);
<a name="l00189"></a>00189 expected_data_bytes = 0;
<a name="l00190"></a>00190 status_byte = 0;
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192 <span class="keywordflow">break</span>;
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 <span class="keywordflow">continue</span>;
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="comment">// We're handling a data byte</span>
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackPhysicalMidiInput::Process - Buffering data byte."</span>);
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="keywordflow">if</span> (<a class="code" href="ringbuffer_8h.html#a6d2fc75510e4df62f5b3dd249047b132">jack_ringbuffer_write</a>(input_ring, (<span class="keyword">const</span> <span class="keywordtype">char</span> *) &datum,
<a name="l00202"></a>00202 datum_size) == datum_size) {
<a name="l00203"></a>00203 buffered_bytes++;
<a name="l00204"></a>00204 } <span class="keywordflow">else</span> {
<a name="l00205"></a>00205 unbuffered_bytes++;
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> total_bytes = buffered_bytes + unbuffered_bytes;
<a name="l00208"></a>00208 assert((! expected_data_bytes) ||
<a name="l00209"></a>00209 (total_bytes <= expected_data_bytes));
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (total_bytes == expected_data_bytes) {
<a name="l00211"></a>00211 <span class="keywordflow">if</span> (! unbuffered_bytes) {
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <a class="code" href="group__ServerControl.html#ga35f69faaee3bb9b958ed8c9a5f62246c">jack_log</a>(<span class="stringliteral">"JackPhysicalMidiInput::Process - Writing buffered "</span>
<a name="l00214"></a>00214 <span class="stringliteral">"event."</span>);
<a name="l00215"></a>00215
<a name="l00216"></a>00216 WriteBufferedEvent(current_frame);
<a name="l00217"></a>00217 } <span class="keywordflow">else</span> {
<a name="l00218"></a>00218 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0fd19af60855e3edcf7b38358a16606c">HandleBufferFailure</a>(unbuffered_bytes, total_bytes);
<a name="l00219"></a>00219 Clear();
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (status_byte >= 0xf0) {
<a name="l00222"></a>00222 expected_data_bytes = 0;
<a name="l00223"></a>00223 status_byte = 0;
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="keywordtype">void</span>
<a name="l00230"></a>00230 JackPhysicalMidiInput::WriteBufferedEvent(jack_nframes_t frame)
<a name="l00231"></a>00231 {
<a name="l00232"></a>00232 assert(port_buffer && port_buffer->IsValid());
<a name="l00233"></a>00233 <span class="keywordtype">size_t</span> space = <a class="code" href="ringbuffer_8h.html#a61e93fa7c9bfb6897dd2508d026d9317">jack_ringbuffer_read_space</a>(input_ring);
<a name="l00234"></a>00234 jack_midi_data_t *<span class="keyword">event</span> = port_buffer->ReserveEvent(frame, space + 1);
<a name="l00235"></a>00235 <span class="keywordflow">if</span> (event) {
<a name="l00236"></a>00236 <a class="code" href="structjack__ringbuffer__data__t.html">jack_ringbuffer_data_t</a> vector[2];
<a name="l00237"></a>00237 <a class="code" href="ringbuffer_8h.html#aa21aaf8ff173ba0e89b35554f20d4ccb">jack_ringbuffer_get_read_vector</a>(input_ring, vector);
<a name="l00238"></a>00238 <span class="keyword">event</span>[0] = status_byte;
<a name="l00239"></a>00239 <span class="keywordtype">size_t</span> data_length_1 = vector[0].len;
<a name="l00240"></a>00240 memcpy(event + 1, vector[0].buf, data_length_1);
<a name="l00241"></a>00241 <span class="keywordtype">size_t</span> data_length_2 = vector[1].len;
<a name="l00242"></a>00242 <span class="keywordflow">if</span> (data_length_2) {
<a name="l00243"></a>00243 memcpy(event + data_length_1 + 1, vector[1].buf, data_length_2);
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245 } <span class="keywordflow">else</span> {
<a name="l00246"></a>00246 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0add613eb4b21d972f4727955f5db951">HandleWriteFailure</a>(space + 1);
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 Clear();
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="keywordtype">void</span>
<a name="l00252"></a>00252 JackPhysicalMidiInput::WriteBufferedSysexEvent(jack_nframes_t frame)
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 assert(port_buffer && port_buffer->IsValid());
<a name="l00255"></a>00255 <span class="keywordtype">size_t</span> space = <a class="code" href="ringbuffer_8h.html#a61e93fa7c9bfb6897dd2508d026d9317">jack_ringbuffer_read_space</a>(input_ring);
<a name="l00256"></a>00256 jack_midi_data_t *<span class="keyword">event</span> = port_buffer->ReserveEvent(frame, space + 2);
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (event) {
<a name="l00258"></a>00258 <a class="code" href="structjack__ringbuffer__data__t.html">jack_ringbuffer_data_t</a> vector[2];
<a name="l00259"></a>00259 <a class="code" href="ringbuffer_8h.html#aa21aaf8ff173ba0e89b35554f20d4ccb">jack_ringbuffer_get_read_vector</a>(input_ring, vector);
<a name="l00260"></a>00260 <span class="keyword">event</span>[0] = status_byte;
<a name="l00261"></a>00261 <span class="keywordtype">size_t</span> data_length_1 = vector[0].len;
<a name="l00262"></a>00262 memcpy(event + 1, vector[0].buf, data_length_1);
<a name="l00263"></a>00263 <span class="keywordtype">size_t</span> data_length_2 = vector[1].len;
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (data_length_2) {
<a name="l00265"></a>00265 memcpy(event + data_length_1 + 1, vector[1].buf, data_length_2);
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267 <span class="keyword">event</span>[data_length_1 + data_length_2 + 1] = 0xf7;
<a name="l00268"></a>00268 } <span class="keywordflow">else</span> {
<a name="l00269"></a>00269 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0add613eb4b21d972f4727955f5db951">HandleWriteFailure</a>(space + 2);
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271 Clear();
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordtype">void</span>
<a name="l00275"></a>00275 JackPhysicalMidiInput::WriteByteEvent(jack_nframes_t frame,
<a name="l00276"></a>00276 jack_midi_data_t datum)
<a name="l00277"></a>00277 {
<a name="l00278"></a>00278 assert(port_buffer && port_buffer->IsValid());
<a name="l00279"></a>00279 jack_midi_data_t *<span class="keyword">event</span> = port_buffer->ReserveEvent(frame, 1);
<a name="l00280"></a>00280 <span class="keywordflow">if</span> (event) {
<a name="l00281"></a>00281 <span class="keyword">event</span>[0] = datum;
<a name="l00282"></a>00282 } <span class="keywordflow">else</span> {
<a name="l00283"></a>00283 <a class="code" href="classJack_1_1JackPhysicalMidiInput.html#a0add613eb4b21d972f4727955f5db951">HandleWriteFailure</a>(1);
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a>00287 }
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