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libnjb-devel-2.2.7-1.fc14.x86_64.rpm

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<div class="title">tracks.c</div>  </div>
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<div class="fragment"><pre class="fragment"><span class="preprocessor">#include &quot;common.h&quot;</span>
<span class="preprocessor">#include &lt;stdio.h&gt;</span>
<span class="preprocessor">#include &lt;string.h&gt;</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">&quot;%s: &quot;</span>, frame-&gt;<a name="a1"></a><a class="code" href="structnjb__songid__frame__struct.html#af9f57e6c74f947c17062a2d2c56f7824">label</a>);
        
  <span class="keywordflow">if</span> ( frame-&gt;<a name="a2"></a><a class="code" href="structnjb__songid__frame__struct.html#a4f7af50a88a6ea9e9cc52bbed270ba8a">type</a> == <a name="a3"></a><a class="code" href="group__frametypes.html#gafe891ec1f66cdc1675ddb6080ece5e55">NJB_TYPE_STRING</a> ) {
    fprintf(fp, <span class="stringliteral">&quot;%s\n&quot;</span>, frame-&gt;<a name="a4"></a>data.<a name="a5"></a><a class="code" href="structnjb__songid__frame__struct.html#a6983b7aebbbd036d67da513e85538086">strval</a>);
  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame-&gt;<a class="code" href="structnjb__songid__frame__struct.html#a4f7af50a88a6ea9e9cc52bbed270ba8a">type</a> == <a name="a6"></a><a class="code" href="group__frametypes.html#ga5e48833c174ba65895f372a69cc71c8a">NJB_TYPE_UINT16</a>) {
    fprintf(fp, <span class="stringliteral">&quot;%d\n&quot;</span>, frame-&gt;data.<a name="a7"></a><a class="code" href="structnjb__songid__frame__struct.html#a98d92535fac334896663dd3579aa1fd0">u_int16_val</a>);
  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame-&gt;<a class="code" href="structnjb__songid__frame__struct.html#a4f7af50a88a6ea9e9cc52bbed270ba8a">type</a> == <a name="a8"></a><a class="code" href="group__frametypes.html#gaca72fa1657385c37845e3b326938a047">NJB_TYPE_UINT32</a>) {
    fprintf(fp, <span class="stringliteral">&quot;%u\n&quot;</span>, frame-&gt;data.<a name="a9"></a><a class="code" href="structnjb__songid__frame__struct.html#ac9afb2ea3fe140513fcaf6fca394b41d">u_int32_val</a>);
  } <span class="keywordflow">else</span> {
    fprintf(fp, <span class="stringliteral">&quot;(weird data word size, cannot display!)\n&quot;</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#ga8eada6cbbc26c6aa18f3c22a20d38756">NJB_Songid_Reset_Getframe</a>(song);
  fprintf(fp, <span class="stringliteral">&quot;ID: %u\n&quot;</span>, song-&gt;<a name="a12"></a><a class="code" href="structnjb__songid__struct.html#addb745b9a3b66e8c22110cca47e5363b">trid</a>);
  <span class="keywordflow">while</span>( (frame = <a name="a13"></a><a class="code" href="group__tagapi.html#ga0013c681283968bf65b564beb8109e5b">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#a46e41076f44166b6446e3fdae6db62a9">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">&quot;D:E&quot;</span>)) != -1 ) {
    <span class="keywordflow">switch</span> (opt) {
    <span class="keywordflow">case</span> <span class="charliteral">&#39;D&#39;</span>:
      debug = atoi(optarg);
      <span class="keywordflow">break</span>;
    <span class="keywordflow">case</span> <span class="charliteral">&#39;E&#39;</span>:
      extended = 1;
      <span class="keywordflow">break</span>;
    <span class="keywordflow">default</span>:
      fprintf(stderr, <span class="stringliteral">&quot;usage: tracks [ -D debuglvl ] -E\n&quot;</span>);
      <span class="keywordflow">return</span> 1;
    }
  }
  
  <span class="keywordflow">if</span> ( debug ) <a name="a16"></a><a class="code" href="group__internals.html#gaa5ff48cc89e320bc1c1d89efd2613d77">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 = &quot;xx_XX.UTF-8&quot; or $LC_CTYPE = &quot;?&quot;</span>
<span class="comment">   * trigger unicode support.</span>
<span class="comment">   */</span>
  lang = getenv(<span class="stringliteral">&quot;LANG&quot;</span>);
  <span class="keywordflow">if</span> (lang != NULL) {
    <span class="keywordflow">if</span> (strlen(lang) &gt; 5) {
      <span class="keywordflow">if</span> (!strcmp(&amp;lang[strlen(lang)-5], <span class="stringliteral">&quot;UTF-8&quot;</span>)) {
        <a name="a17"></a><a class="code" href="group__internals.html#ga22a893c243cd4398de35fcdea5b49b39">NJB_Set_Unicode</a>(<a name="a18"></a><a class="code" href="group__unicodeflags.html#ga388e9c70b7a684c777f6b25e2e9d801b">NJB_UC_UTF8</a>);
      }
    }
  }

  <span class="keywordflow">if</span> (<a name="a19"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &amp;n) == -1) {
    fprintf(stderr, <span class="stringliteral">&quot;could not locate any jukeboxes\n&quot;</span>);
    <span class="keywordflow">return</span> 1;
  }
  
  <span class="keywordflow">if</span> ( n == 0 ) {
    fprintf(stderr, <span class="stringliteral">&quot;no NJB devices found\n&quot;</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#gaa631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {
    <a name="a21"></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="a22"></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">goto</span> err1;
  }

  <span class="keywordflow">if</span> (extended != 0) {
    <a name="a23"></a><a class="code" href="group__tagapi.html#ga68e4af147b853116272587a3ab79b608">NJB_Get_Extended_Tags</a>(njb, 1);
  }
  
  n = 0;
  <a name="a24"></a><a class="code" href="group__tagapi.html#ga5b4b2093f4b7adb9ea0e3e34f572bc80">NJB_Reset_Get_Track_Tag</a>(njb);
  <span class="keywordflow">while</span> ( (songtag = <a name="a25"></a><a class="code" href="group__tagapi.html#gac1e3781b41ed63473b1808d9578ba1f3">NJB_Get_Track_Tag</a>(njb)) ) {
    songid_dump(songtag, stdout);
    <a name="a26"></a><a class="code" href="group__tagapi.html#ga188d05568998e787366804565e9fcfb5">NJB_Songid_Destroy</a>(songtag);
    printf(<span class="stringliteral">&quot;----------------------------------\n&quot;</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#ga2497a98361bc58544b96d6244d3ef050">NJB_Error_Pending</a>(njb)) {
    <a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
  }

  printf(<span class="stringliteral">&quot;In total: %u tracks.\n&quot;</span>, n);
  
  <a name="a28"></a><a class="code" href="group__basic.html#ga69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb);
  rc = 0;
  
err1:
  <a name="a29"></a><a class="code" href="group__basic.html#ga13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);
  <span class="keywordflow">return</span> rc;
}

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