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 <span id="projectnumber">2.2.7</span>
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<div class="title">tracks.c</div> </div>
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<div class="contents">
<div class="fragment"><div class="line"><span class="preprocessor">#include "common.h"</span></div>
<div class="line"><span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><span class="preprocessor">#include <string.h></span></div>
<div class="line"></div>
<div class="line"><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)</div>
<div class="line">{</div>
<div class="line"> fprintf(fp, <span class="stringliteral">"%s: "</span>, frame-><a name="a1"></a><a class="code" href="structnjb__songid__frame__struct.html#af9f57e6c74f947c17062a2d2c56f7824">label</a>);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> ( frame-><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> ) {</div>
<div class="line"> fprintf(fp, <span class="stringliteral">"%s\n"</span>, frame-><a name="a4"></a><a class="code" href="structnjb__songid__frame__struct.html#a10a23445028d703238342f51067b2dbb">data</a>.<a name="a5"></a><a class="code" href="structnjb__songid__frame__struct.html#a6983b7aebbbd036d67da513e85538086">strval</a>);</div>
<div class="line"> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame-><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>) {</div>
<div class="line"> fprintf(fp, <span class="stringliteral">"%d\n"</span>, frame-><a class="code" href="structnjb__songid__frame__struct.html#a10a23445028d703238342f51067b2dbb">data</a>.<a name="a7"></a><a class="code" href="structnjb__songid__frame__struct.html#a98d92535fac334896663dd3579aa1fd0">u_int16_val</a>);</div>
<div class="line"> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (frame-><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>) {</div>
<div class="line"> fprintf(fp, <span class="stringliteral">"%u\n"</span>, frame-><a class="code" href="structnjb__songid__frame__struct.html#a10a23445028d703238342f51067b2dbb">data</a>.<a name="a9"></a><a class="code" href="structnjb__songid__frame__struct.html#ac9afb2ea3fe140513fcaf6fca394b41d">u_int32_val</a>);</div>
<div class="line"> } <span class="keywordflow">else</span> {</div>
<div class="line"> fprintf(fp, <span class="stringliteral">"(weird data word size, cannot display!)\n"</span>);</div>
<div class="line"> }</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><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)</div>
<div class="line">{</div>
<div class="line"> <a class="code" href="structnjb__songid__frame__struct.html">njb_songid_frame_t</a> *frame;</div>
<div class="line"> </div>
<div class="line"> <a name="a11"></a><a class="code" href="group__tagapi.html#ga8eada6cbbc26c6aa18f3c22a20d38756">NJB_Songid_Reset_Getframe</a>(song);</div>
<div class="line"> fprintf(fp, <span class="stringliteral">"ID: %u\n"</span>, song-><a name="a12"></a><a class="code" href="structnjb__songid__struct.html#addb745b9a3b66e8c22110cca47e5363b">trid</a>);</div>
<div class="line"> <span class="keywordflow">while</span>( (frame = <a name="a13"></a><a class="code" href="group__tagapi.html#ga0013c681283968bf65b564beb8109e5b">NJB_Songid_Getframe</a>(song)) ) {</div>
<div class="line"> songid_frame_dump(frame, fp);</div>
<div class="line"> }</div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
<div class="line">{</div>
<div class="line"> <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;</div>
<div class="line"> <span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;</div>
<div class="line"> <span class="keywordtype">int</span> opt;</div>
<div class="line"> <span class="keywordtype">int</span> n, debug, rc = 1;</div>
<div class="line"> <span class="keywordtype">int</span> extended = 0; <span class="comment">/* Whether to get extended track info */</span></div>
<div class="line"> <a class="code" href="structnjb__songid__struct.html">njb_songid_t</a> *songtag;</div>
<div class="line"> <span class="keywordtype">char</span> *lang;</div>
<div class="line"> </div>
<div class="line"> debug= 0;</div>
<div class="line"> <span class="keywordflow">while</span> ( (opt= getopt(argc, argv, <span class="stringliteral">"D:E"</span>)) != -1 ) {</div>
<div class="line"> <span class="keywordflow">switch</span> (opt) {</div>
<div class="line"> <span class="keywordflow">case</span> <span class="charliteral">'D'</span>:</div>
<div class="line"> debug = atoi(optarg);</div>
<div class="line"> <span class="keywordflow">break</span>;</div>
<div class="line"> <span class="keywordflow">case</span> <span class="charliteral">'E'</span>:</div>
<div class="line"> extended = 1;</div>
<div class="line"> <span class="keywordflow">break</span>;</div>
<div class="line"> <span class="keywordflow">default</span>:</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"usage: tracks [ -D debuglvl ] -E\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> ( debug ) <a name="a16"></a><a class="code" href="group__internals.html#gaa5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/*</span></div>
<div class="line"><span class="comment"> * Check environment variables $LANG and $LC_CTYPE</span></div>
<div class="line"><span class="comment"> * to see if we want to support UTF-8 unicode</span></div>
<div class="line"><span class="comment"> * $LANG = "xx_XX.UTF-8" or $LC_CTYPE = "?"</span></div>
<div class="line"><span class="comment"> * trigger unicode support.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"> lang = getenv(<span class="stringliteral">"LANG"</span>);</div>
<div class="line"> <span class="keywordflow">if</span> (lang != NULL) {</div>
<div class="line"> <span class="keywordflow">if</span> (strlen(lang) > 5) {</div>
<div class="line"> <span class="keywordflow">if</span> (!strcmp(&lang[strlen(lang)-5], <span class="stringliteral">"UTF-8"</span>)) {</div>
<div class="line"> <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>);</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">if</span> (<a name="a19"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &n) == -1) {</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"could not locate any jukeboxes\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> ( n == 0 ) {</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"no NJB devices found\n"</span>);</div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line"> } </div>
<div class="line"> </div>
<div class="line"> njb = njbs;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> ( <a name="a20"></a><a class="code" href="group__basic.html#gaa631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {</div>
<div class="line"> <a name="a21"></a><a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> ( <a name="a22"></a><a class="code" href="group__basic.html#ga023eb258743b5961ec1b85cbd62a55cb">NJB_Capture</a>(njb) == -1 ) {</div>
<div class="line"> <a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);</div>
<div class="line"> <span class="keywordflow">goto</span> err1;</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">if</span> (extended != 0) {</div>
<div class="line"> <a name="a23"></a><a class="code" href="group__tagapi.html#ga68e4af147b853116272587a3ab79b608">NJB_Get_Extended_Tags</a>(njb, 1);</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> n = 0;</div>
<div class="line"> <a name="a24"></a><a class="code" href="group__tagapi.html#ga5b4b2093f4b7adb9ea0e3e34f572bc80">NJB_Reset_Get_Track_Tag</a>(njb);</div>
<div class="line"> <span class="keywordflow">while</span> ( (songtag = <a name="a25"></a><a class="code" href="group__tagapi.html#gac1e3781b41ed63473b1808d9578ba1f3">NJB_Get_Track_Tag</a>(njb)) ) {</div>
<div class="line"> songid_dump(songtag, stdout);</div>
<div class="line"> <a name="a26"></a><a class="code" href="group__tagapi.html#ga188d05568998e787366804565e9fcfb5">NJB_Songid_Destroy</a>(songtag);</div>
<div class="line"> printf(<span class="stringliteral">"----------------------------------\n"</span>);</div>
<div class="line"> n ++;</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="comment">/* Dump any pending errors */</span></div>
<div class="line"> <span class="keywordflow">if</span> (<a name="a27"></a><a class="code" href="group__internals.html#ga2497a98361bc58544b96d6244d3ef050">NJB_Error_Pending</a>(njb)) {</div>
<div class="line"> <a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"In total: %u tracks.\n"</span>, n);</div>
<div class="line"> </div>
<div class="line"> <a name="a28"></a><a class="code" href="group__basic.html#ga69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb);</div>
<div class="line"> rc = 0;</div>
<div class="line"> </div>
<div class="line">err1:</div>
<div class="line"> <a name="a29"></a><a class="code" href="group__basic.html#ga13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);</div>
<div class="line"> <span class="keywordflow">return</span> rc;</div>
<div class="line">}</div>
<div class="line"></div>
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