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<div class="title">Reading text<div class="ingroups"><a class="el" href="group__text.html">Text</a></div></div> </div>
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<p>Decode text.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga27d81096eeceadb3d4a8b5fcb0a95712"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga27d81096eeceadb3d4a8b5fcb0a95712">lqt_text_tracks</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file)</td></tr>
<tr class="memdesc:ga27d81096eeceadb3d4a8b5fcb0a95712"><td class="mdescLeft"> </td><td class="mdescRight">Get the number of text tracks. <a href="#ga27d81096eeceadb3d4a8b5fcb0a95712">More...</a><br /></td></tr>
<tr class="separator:ga27d81096eeceadb3d4a8b5fcb0a95712"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6874341a7bb714cbcb81765378ea2359"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga6874341a7bb714cbcb81765378ea2359">lqt_get_text_language</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track, char *language)</td></tr>
<tr class="memdesc:ga6874341a7bb714cbcb81765378ea2359"><td class="mdescLeft"> </td><td class="mdescRight">Get the text language. <a href="#ga6874341a7bb714cbcb81765378ea2359">More...</a><br /></td></tr>
<tr class="separator:ga6874341a7bb714cbcb81765378ea2359"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaeda99cb4a8d0dbbce957b4431573eda2"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#gaeda99cb4a8d0dbbce957b4431573eda2">lqt_text_time_scale</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track)</td></tr>
<tr class="memdesc:gaeda99cb4a8d0dbbce957b4431573eda2"><td class="mdescLeft"> </td><td class="mdescRight">Get the timescale for a text track. <a href="#gaeda99cb4a8d0dbbce957b4431573eda2">More...</a><br /></td></tr>
<tr class="separator:gaeda99cb4a8d0dbbce957b4431573eda2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga28f142233822e8ead0d82ef4aa8c8bfc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga28f142233822e8ead0d82ef4aa8c8bfc">lqt_get_text_box</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track, uint16_t *top, uint16_t *left, uint16_t *bottom, uint16_t *right)</td></tr>
<tr class="memdesc:ga28f142233822e8ead0d82ef4aa8c8bfc"><td class="mdescLeft"> </td><td class="mdescRight">Set the text box of a text track. <a href="#ga28f142233822e8ead0d82ef4aa8c8bfc">More...</a><br /></td></tr>
<tr class="separator:ga28f142233822e8ead0d82ef4aa8c8bfc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2b6e62f99edaaa5a4bf08022a3960988"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga2b6e62f99edaaa5a4bf08022a3960988">lqt_read_text</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track, char **text, int *text_alloc, int64_t *timestamp, int64_t *duration)</td></tr>
<tr class="memdesc:ga2b6e62f99edaaa5a4bf08022a3960988"><td class="mdescLeft"> </td><td class="mdescRight">Read a text sample. <a href="#ga2b6e62f99edaaa5a4bf08022a3960988">More...</a><br /></td></tr>
<tr class="separator:ga2b6e62f99edaaa5a4bf08022a3960988"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0278b205c4ec1eee2dfb632feeb75fd3"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga0278b205c4ec1eee2dfb632feeb75fd3">lqt_is_chapter_track</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track)</td></tr>
<tr class="memdesc:ga0278b205c4ec1eee2dfb632feeb75fd3"><td class="mdescLeft"> </td><td class="mdescRight">Check if a track is a chapter track. <a href="#ga0278b205c4ec1eee2dfb632feeb75fd3">More...</a><br /></td></tr>
<tr class="separator:ga0278b205c4ec1eee2dfb632feeb75fd3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9c73cc2b44f8924c2f64fba530401679"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga9c73cc2b44f8924c2f64fba530401679">lqt_text_samples</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track)</td></tr>
<tr class="memdesc:ga9c73cc2b44f8924c2f64fba530401679"><td class="mdescLeft"> </td><td class="mdescRight">Get the total number of text samples. <a href="#ga9c73cc2b44f8924c2f64fba530401679">More...</a><br /></td></tr>
<tr class="separator:ga9c73cc2b44f8924c2f64fba530401679"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa067ee18f55c582889eb0ed5c0364dbf"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#gaa067ee18f55c582889eb0ed5c0364dbf">lqt_set_text_position</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track, int64_t position)</td></tr>
<tr class="memdesc:gaa067ee18f55c582889eb0ed5c0364dbf"><td class="mdescLeft"> </td><td class="mdescRight">Go to a specific sample. <a href="#gaa067ee18f55c582889eb0ed5c0364dbf">More...</a><br /></td></tr>
<tr class="separator:gaa067ee18f55c582889eb0ed5c0364dbf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4fb65836ae339e937d566c827befb73f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga4fb65836ae339e937d566c827befb73f">lqt_set_text_time</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track, int64_t time)</td></tr>
<tr class="memdesc:ga4fb65836ae339e937d566c827befb73f"><td class="mdescLeft"> </td><td class="mdescRight">Go to a specific time. <a href="#ga4fb65836ae339e937d566c827befb73f">More...</a><br /></td></tr>
<tr class="separator:ga4fb65836ae339e937d566c827befb73f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9b85949f52d61896e9d5dd369d427ca8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#ga9b85949f52d61896e9d5dd369d427ca8">lqt_get_text_fg_color</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track, uint16_t *r, uint16_t *g, uint16_t *b, uint16_t *a)</td></tr>
<tr class="memdesc:ga9b85949f52d61896e9d5dd369d427ca8"><td class="mdescLeft"> </td><td class="mdescRight">Get the foreground color of a text track. <a href="#ga9b85949f52d61896e9d5dd369d427ca8">More...</a><br /></td></tr>
<tr class="separator:ga9b85949f52d61896e9d5dd369d427ca8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab3aa16de82da27f85da5eb2316934433"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#gab3aa16de82da27f85da5eb2316934433">lqt_get_text_bg_color</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track, uint16_t *r, uint16_t *g, uint16_t *b, uint16_t *a)</td></tr>
<tr class="memdesc:gab3aa16de82da27f85da5eb2316934433"><td class="mdescLeft"> </td><td class="mdescRight">Get the background color of a text track. <a href="#gab3aa16de82da27f85da5eb2316934433">More...</a><br /></td></tr>
<tr class="separator:gab3aa16de82da27f85da5eb2316934433"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab7cc97dc7a1e60b97da788a4dc6f6efe"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__text__decode.html#gab7cc97dc7a1e60b97da788a4dc6f6efe">lqt_get_text_pts_offset</a> (<a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> *file, int track)</td></tr>
<tr class="memdesc:gab7cc97dc7a1e60b97da788a4dc6f6efe"><td class="mdescLeft"> </td><td class="mdescRight">Get an video pts offset. <a href="#gab7cc97dc7a1e60b97da788a4dc6f6efe">More...</a><br /></td></tr>
<tr class="separator:gab7cc97dc7a1e60b97da788a4dc6f6efe"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Decode text. </p>
<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">int lqt_text_tracks </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em></td><td>)</td>
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<p>Get the number of text tracks. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The number of text tracks found in the file </dd></dl>
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<td class="memname">int lqt_get_text_language </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"><em>track</em>, </td>
</tr>
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<td class="paramkey"></td>
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<td class="paramtype">char * </td>
<td class="paramname"><em>language</em> </td>
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<td>)</td>
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<p>Get the text language. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
<tr><td class="paramname">language</td><td>Returns ISO-639 Language code </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 on success, 0 on error.</dd></dl>
<p>The language code is a 3-character code, English is "eng", Japanese is "jpn". </p>
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<td class="memname">int lqt_text_time_scale </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"><em>track</em> </td>
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<td>)</td>
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<p>Get the timescale for a text track. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The timescale of the track. </dd></dl>
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<td class="memname">void lqt_get_text_box </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>top</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>left</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>bottom</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>right</em> </td>
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<p>Set the text box of a text track. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
<tr><td class="paramname">top</td><td>Returns the top border </td></tr>
<tr><td class="paramname">left</td><td>Returns the left border </td></tr>
<tr><td class="paramname">bottom</td><td>Returns the bottom border </td></tr>
<tr><td class="paramname">right</td><td>Returns the right border </td></tr>
</table>
</dd>
</dl>
</div>
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<td class="memname">int lqt_read_text </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em>, </td>
</tr>
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<td class="paramkey"></td>
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<td class="paramtype">char ** </td>
<td class="paramname"><em>text</em>, </td>
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<td class="paramtype">int * </td>
<td class="paramname"><em>text_alloc</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int64_t * </td>
<td class="paramname"><em>timestamp</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int64_t * </td>
<td class="paramname"><em>duration</em> </td>
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<td>)</td>
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<p>Read a text sample. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
<tr><td class="paramname">text</td><td>Address of a buffer </td></tr>
<tr><td class="paramname">text_alloc</td><td>Allocated bytes for this buffer (will be changed) </td></tr>
<tr><td class="paramname">timestamp</td><td>Returns the timestamp of the sample </td></tr>
<tr><td class="paramname">duration</td><td>Returns the duration of the sample </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if a sample was decoded, 0 if the track is finished</dd></dl>
<p>This funtion calls realloc() to make sure there is enough space for for the text. It's a good idea to always pass the same buffer to this function (set to NULL initially) and free it after the file is closed. </p>
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<td class="memname">int lqt_is_chapter_track </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>track</em> </td>
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<p>Check if a track is a chapter track. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if the text track is a chapter track, 0 else </dd></dl>
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<td class="memname">int64_t lqt_text_samples </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em> </td>
</tr>
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<td>)</td>
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<p>Get the total number of text samples. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The number of samples </dd></dl>
</div>
</div>
<a class="anchor" id="gaa067ee18f55c582889eb0ed5c0364dbf"></a>
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<td class="memname">void lqt_set_text_position </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t </td>
<td class="paramname"><em>position</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Go to a specific sample. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
<tr><td class="paramname">position</td><td>The sample position (starting with 0) </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga4fb65836ae339e937d566c827befb73f"></a>
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<td class="memname">void lqt_set_text_time </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t </td>
<td class="paramname"><em>time</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Go to a specific time. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
<tr><td class="paramname">time</td><td>Time</td></tr>
</table>
</dd>
</dl>
<p>This wil reposition the text track such, that the next call to <a class="el" href="group__text__decode.html#ga2b6e62f99edaaa5a4bf08022a3960988">lqt_read_text</a> will return a sample with at least the timestamp you specified. </p>
</div>
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<td class="memname">void lqt_get_text_fg_color </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>r</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>g</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>b</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>a</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the foreground color of a text track. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
<tr><td class="paramname">r</td><td>Returns red </td></tr>
<tr><td class="paramname">g</td><td>Returns green </td></tr>
<tr><td class="paramname">b</td><td>Returns blue </td></tr>
<tr><td class="paramname">a</td><td>Returns alpha</td></tr>
</table>
</dd>
</dl>
<p>Color values are between 0x0000 and 0xffff. </p>
</div>
</div>
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<td class="memname">void lqt_get_text_bg_color </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>r</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>g</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>b</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint16_t * </td>
<td class="paramname"><em>a</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the background color of a text track. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
<tr><td class="paramname">r</td><td>Returns red </td></tr>
<tr><td class="paramname">g</td><td>Returns green </td></tr>
<tr><td class="paramname">b</td><td>Returns blue </td></tr>
<tr><td class="paramname">a</td><td>Returns alpha</td></tr>
</table>
</dd>
</dl>
<p>Color values are between 0x0000 and 0xffff. </p>
</div>
</div>
<a class="anchor" id="gab7cc97dc7a1e60b97da788a4dc6f6efe"></a>
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<td class="memname">int64_t lqt_get_text_pts_offset </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__general.html#gaef65e7300455a3b25eafc7485ec2efa4">quicktime_t</a> * </td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>track</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get an video pts offset. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>A quicktime handle </td></tr>
<tr><td class="paramname">track</td><td>Track index (starting with 0) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>PTS offset of the subtitles (in timescale units) </dd></dl>
</div>
</div>
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