<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>libnjb: play.c</title> <link href="tabs.css" rel="stylesheet" type="text/css"> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.9 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> </div> <div class="contents"> <h1>play.c</h1><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#46e41076f44166b6446e3fdae6db62a9">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#ga5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug); signal(SIGINT, stopplay); <span class="keywordflow">if</span> (<a name="a3"></a><a class="code" href="group__basic.html#g199efd7711a70ae5d63f4052c2e492d3">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#ga631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) { <a name="a5"></a><a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">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#g023eb258743b5961ec1b85cbd62a55cb">NJB_Capture</a>(njb) == -1 ) { <a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">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#g92cc70e7805c6fc0934017f81b72b80d">NJB_Play_Track</a>(njb, trackid); } <span class="keywordflow">else</span> { status= <a name="a8"></a><a class="code" href="group__playapi.html#g5c31fd1b835a7c2ea247de0d42767594">NJB_Queue_Track</a>(njb, trackid); } <span class="keywordflow">if</span> ( status == -1 ) <a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">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#g6c29c35293a64aa06dbb6e726fbd5d42">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#g749d9a967c9fb4688354c9021ed983bd">NJB_Stop_Play</a>(njb); <a name="a11"></a><a class="code" href="group__basic.html#g69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb); <a name="a12"></a><a class="code" href="group__basic.html#g13a9c926c430f38f3a6535ecaaf3e9b9">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); } </pre></div> </div> <hr size="1"><address style="text-align: right;"><small>Generated on Sun Jul 26 17:17:26 2009 for libnjb by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address> </body> </html>