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<div id="projectname">libnjb <span id="projectnumber">2.2.6</span></div>
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<h1>play.c</h1> </div>
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<div class="fragment"><pre class="fragment"><span class="preprocessor">#include "common.h"</span>
<span class="preprocessor">#include <signal.h></span>
<span class="keywordtype">int</span> repeat= 1;
<span class="keywordtype">void</span> stopplay (<span class="keywordtype">int</span> signo);
<span class="keywordtype">void</span> hhmmss (u_int16_t seconds, u_int16_t *hh, u_int16_t *mm, u_int16_t *ss);
<span class="keywordtype">void</span> usage (<span class="keywordtype">void</span>);
<span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
{
<a name="_a0"></a><a class="code" href="structnjb__struct.html">njb_t</a> njbs[<a name="a1"></a><a class="code" href="libnjb_8h.html#a46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>], *njb;
<span class="keywordtype">int</span> i, n, status, change, opt, debug;
u_int16_t sec, hh, mm, ss;
u_int32_t trackid;
<span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;
<span class="keyword">extern</span> <span class="keywordtype">int</span> optind;
debug= 0;
<span class="keywordflow">while</span> ( (opt= getopt(argc, argv, <span class="stringliteral">"D:"</span>)) != -1 ) {
<span class="keywordflow">switch</span> (opt) {
<span class="keywordflow">case</span> <span class="charliteral">'D'</span>:
debug= atoi(optarg);
<span class="keywordflow">break</span>;
<span class="keywordflow">default</span>:
<span class="keywordflow">break</span>;
}
}
argc-= optind;
argv+= optind;
<span class="keywordflow">if</span> ( ! argc ) usage();
<span class="keywordflow">if</span> ( debug ) <a name="a2"></a><a class="code" href="group__internals.html#gaa5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug);
signal(SIGINT, stopplay);
<span class="keywordflow">if</span> (<a name="a3"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &n) == -1) {
fprintf(stderr, <span class="stringliteral">"could not locate any jukeboxes\n"</span>);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( n == 0 ) {
fprintf(stderr, <span class="stringliteral">"no NJB devices found\n"</span>);
<span class="keywordflow">return</span> 0;
}
njb= njbs;
<span class="keywordflow">if</span> ( <a name="a4"></a><a class="code" href="group__basic.html#gaa631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {
<a name="a5"></a><a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( <a name="a6"></a><a class="code" href="group__basic.html#ga023eb258743b5961ec1b85cbd62a55cb">NJB_Capture</a>(njb) == -1 ) {
<a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">for</span> (i= 0; i< argc; i++) {
trackid= strtoul(argv[i], NULL, 10);
<span class="keywordflow">if</span> ( i == 0 ) {
status= <a name="a7"></a><a class="code" href="group__playapi.html#ga92cc70e7805c6fc0934017f81b72b80d">NJB_Play_Track</a>(njb, trackid);
} <span class="keywordflow">else</span> {
status= <a name="a8"></a><a class="code" href="group__playapi.html#ga5c31fd1b835a7c2ea247de0d42767594">NJB_Queue_Track</a>(njb, trackid);
}
<span class="keywordflow">if</span> ( status == -1 ) <a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
}
printf(<span class="stringliteral">"---> Hit ^C to exit <---\n"</span>);
change= 0;
i= 0;
printf(<span class="stringliteral">"Track ID %10.10s: 00:00:00\b\b\b\b\b\b\b"</span>, argv[i]);
fflush(stdout);
<span class="keywordflow">while</span> ( repeat ) {
<span class="keywordflow">if</span> ( change ) {
i++;
<span class="keywordflow">if</span> ( i == argc ) {
repeat= 0;
} <span class="keywordflow">else</span> {
printf(<span class="stringliteral">"\rTrack ID %10.10s: 00:00:00\b\b\b\b\b\b\b"</span>,
argv[i]);
fflush(stdout);
}
change= 0;
} <span class="keywordflow">else</span>
<a name="a9"></a><a class="code" href="group__playapi.html#ga6c29c35293a64aa06dbb6e726fbd5d42">NJB_Elapsed_Time</a>(njb, &sec, &change);
hhmmss(sec, &hh, &mm, &ss);
printf(<span class="stringliteral">"%02u:%02u:%02u\b\b\b\b\b\b\b\b"</span>, hh, mm, ss);
fflush(stdout);
sleep(1);
}
printf(<span class="stringliteral">"\n"</span>);
<a name="a10"></a><a class="code" href="group__playapi.html#ga749d9a967c9fb4688354c9021ed983bd">NJB_Stop_Play</a>(njb);
<a name="a11"></a><a class="code" href="group__basic.html#ga69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb);
<a name="a12"></a><a class="code" href="group__basic.html#ga13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);
<span class="keywordflow">return</span> 0;
}
<span class="keywordtype">void</span> stopplay (<span class="keywordtype">int</span> signo)
{
repeat= 0;
}
<span class="keywordtype">void</span> hhmmss (u_int16_t seconds, u_int16_t *hh, u_int16_t *mm, u_int16_t *ss)
{
<span class="keywordflow">if</span> ( seconds >= 3600 ) *hh= seconds/3600;
seconds-= 3600*(*hh);
<span class="keywordflow">if</span> ( seconds >= 60 ) *mm= seconds/60;
*ss= seconds-(60*(*mm));
}
<span class="keywordtype">void</span> usage (<span class="keywordtype">void</span>) {
fprintf(stderr, <span class="stringliteral">"usage: play [ -D debuglvl ] <trackid> ...\n"</span>);
exit(1);
}
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