<!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: tracks.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>tracks.c</h1><div class="fragment"><pre class="fragment"><span class="preprocessor">#include "common.h"</span> <span class="preprocessor">#include <stdio.h></span> <span class="preprocessor">#include <string.h></span> <span class="keyword">static</span> <span class="keywordtype">void</span> songid_frame_dump (<a name="_a0"></a><a class="code" href="structnjb__songid__frame__struct.html">njb_songid_frame_t</a> *frame, FILE *fp) { fprintf(fp, <span class="stringliteral">"%s: "</span>, frame-><a name="a1"></a><a class="code" href="structnjb__songid__frame__struct.html#f9f57e6c74f947c17062a2d2c56f7824">label</a>); <span class="keywordflow">if</span> ( frame-><a name="a2"></a><a class="code" href="structnjb__songid__frame__struct.html#4f7af50a88a6ea9e9cc52bbed270ba8a">type</a> == <a name="a3"></a><a class="code" href="group__frametypes.html#gfe891ec1f66cdc1675ddb6080ece5e55">NJB_TYPE_STRING</a> ) { fprintf(fp, <span class="stringliteral">"%s\n"</span>, frame-><a name="a4"></a><a class="code" href="structnjb__songid__frame__struct.html#10a23445028d703238342f51067b2dbb">data</a>.<a name="a5"></a><a class="code" href="structnjb__songid__frame__struct.html#6983b7aebbbd036d67da513e85538086">strval</a>); } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame-><a class="code" href="structnjb__songid__frame__struct.html#4f7af50a88a6ea9e9cc52bbed270ba8a">type</a> == <a name="a6"></a><a class="code" href="group__frametypes.html#g5e48833c174ba65895f372a69cc71c8a">NJB_TYPE_UINT16</a>) { fprintf(fp, <span class="stringliteral">"%d\n"</span>, frame-><a class="code" href="structnjb__songid__frame__struct.html#10a23445028d703238342f51067b2dbb">data</a>.<a name="a7"></a><a class="code" href="structnjb__songid__frame__struct.html#98d92535fac334896663dd3579aa1fd0">u_int16_val</a>); } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame-><a class="code" href="structnjb__songid__frame__struct.html#4f7af50a88a6ea9e9cc52bbed270ba8a">type</a> == <a name="a8"></a><a class="code" href="group__frametypes.html#gca72fa1657385c37845e3b326938a047">NJB_TYPE_UINT32</a>) { fprintf(fp, <span class="stringliteral">"%u\n"</span>, frame-><a class="code" href="structnjb__songid__frame__struct.html#10a23445028d703238342f51067b2dbb">data</a>.<a name="a9"></a><a class="code" href="structnjb__songid__frame__struct.html#c9afb2ea3fe140513fcaf6fca394b41d">u_int32_val</a>); } <span class="keywordflow">else</span> { fprintf(fp, <span class="stringliteral">"(weird data word size, cannot display!)\n"</span>); } } <span class="keyword">static</span> <span class="keywordtype">void</span> songid_dump (<a name="_a10"></a><a class="code" href="structnjb__songid__struct.html">njb_songid_t</a> *song, FILE *fp) { <a class="code" href="structnjb__songid__frame__struct.html">njb_songid_frame_t</a> *frame; <a name="a11"></a><a class="code" href="group__tagapi.html#g8eada6cbbc26c6aa18f3c22a20d38756">NJB_Songid_Reset_Getframe</a>(song); fprintf(fp, <span class="stringliteral">"ID: %u\n"</span>, song-><a name="a12"></a><a class="code" href="structnjb__songid__struct.html#ddb745b9a3b66e8c22110cca47e5363b">trid</a>); <span class="keywordflow">while</span>( (frame = <a name="a13"></a><a class="code" href="group__tagapi.html#g0013c681283968bf65b564beb8109e5b">NJB_Songid_Getframe</a>(song)) ) { songid_frame_dump(frame, fp); } } <span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) { <a name="_a14"></a><a class="code" href="structnjb__struct.html">njb_t</a> njbs[<a name="a15"></a><a class="code" href="libnjb_8h.html#46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>], *njb; <span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg; <span class="keywordtype">int</span> opt; <span class="keywordtype">int</span> n, debug, rc = 1; <span class="keywordtype">int</span> extended = 0; <span class="comment">/* Whether to get extended track info */</span> <a class="code" href="structnjb__songid__struct.html">njb_songid_t</a> *songtag; <span class="keywordtype">char</span> *lang; debug= 0; <span class="keywordflow">while</span> ( (opt= getopt(argc, argv, <span class="stringliteral">"D:E"</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">case</span> <span class="charliteral">'E'</span>: extended = 1; <span class="keywordflow">break</span>; <span class="keywordflow">default</span>: fprintf(stderr, <span class="stringliteral">"usage: tracks [ -D debuglvl ] -E\n"</span>); <span class="keywordflow">return</span> 1; } } <span class="keywordflow">if</span> ( debug ) <a name="a16"></a><a class="code" href="group__internals.html#ga5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug); <span class="comment">/*</span> <span class="comment"> * Check environment variables $LANG and $LC_CTYPE</span> <span class="comment"> * to see if we want to support UTF-8 unicode</span> <span class="comment"> * $LANG = "xx_XX.UTF-8" or $LC_CTYPE = "?"</span> <span class="comment"> * trigger unicode support.</span> <span class="comment"> */</span> lang = getenv(<span class="stringliteral">"LANG"</span>); <span class="keywordflow">if</span> (lang != NULL) { <span class="keywordflow">if</span> (strlen(lang) > 5) { <span class="keywordflow">if</span> (!strcmp(&lang[strlen(lang)-5], <span class="stringliteral">"UTF-8"</span>)) { <a name="a17"></a><a class="code" href="group__internals.html#g22a893c243cd4398de35fcdea5b49b39">NJB_Set_Unicode</a>(<a name="a18"></a><a class="code" href="group__unicodeflags.html#g388e9c70b7a684c777f6b25e2e9d801b">NJB_UC_UTF8</a>); } } } <span class="keywordflow">if</span> (<a name="a19"></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="a20"></a><a class="code" href="group__basic.html#ga631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) { <a name="a21"></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="a22"></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">goto</span> err1; } <span class="keywordflow">if</span> (extended != 0) { <a name="a23"></a><a class="code" href="group__tagapi.html#g68e4af147b853116272587a3ab79b608">NJB_Get_Extended_Tags</a>(njb, 1); } n = 0; <a name="a24"></a><a class="code" href="group__tagapi.html#g5b4b2093f4b7adb9ea0e3e34f572bc80">NJB_Reset_Get_Track_Tag</a>(njb); <span class="keywordflow">while</span> ( (songtag = <a name="a25"></a><a class="code" href="group__tagapi.html#gc1e3781b41ed63473b1808d9578ba1f3">NJB_Get_Track_Tag</a>(njb)) ) { songid_dump(songtag, stdout); <a name="a26"></a><a class="code" href="group__tagapi.html#g188d05568998e787366804565e9fcfb5">NJB_Songid_Destroy</a>(songtag); printf(<span class="stringliteral">"----------------------------------\n"</span>); n ++; } <span class="comment">/* Dump any pending errors */</span> <span class="keywordflow">if</span> (<a name="a27"></a><a class="code" href="group__internals.html#g2497a98361bc58544b96d6244d3ef050">NJB_Error_Pending</a>(njb)) { <a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr); } printf(<span class="stringliteral">"In total: %u tracks.\n"</span>, n); <a name="a28"></a><a class="code" href="group__basic.html#g69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb); rc = 0; err1: <a name="a29"></a><a class="code" href="group__basic.html#g13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb); <span class="keywordflow">return</span> rc; } </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>