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<div class="title">vbi_aspect_ratio Struct Reference<div class="ingroups"><a class="el" href="group__HiDec.html">High Level Decoding</a> » <a class="el" href="group__Event.html">Events</a></div></div> </div>
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<p>Information about the picture aspect ratio and open subtitles.
<a href="structvbi__aspect__ratio.html#details">More...</a></p>
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Data Fields</h2></td></tr>
<tr class="memitem:a267a0d6766bef01c441335cfc1123100"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structvbi__aspect__ratio.html#a267a0d6766bef01c441335cfc1123100">first_line</a></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>last_line</b></td></tr>
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<tr class="memitem:a80d437bf520678ca5e79767168fe7622"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="structvbi__aspect__ratio.html#a80d437bf520678ca5e79767168fe7622">ratio</a></td></tr>
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<tr class="memitem:a197262e5744b7a479c6f73b248d97f9b"><td class="memItemLeft" align="right" valign="top">vbi_bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structvbi__aspect__ratio.html#a197262e5744b7a479c6f73b248d97f9b">film_mode</a></td></tr>
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<tr class="memitem:a4083e63f4561a8ce1192bd9ebf479ca3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__Event.html#gafc47bd05db9e7b3a7a40a6224674c608">vbi_subt</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structvbi__aspect__ratio.html#a4083e63f4561a8ce1192bd9ebf479ca3">open_subtitles</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Information about the picture aspect ratio and open subtitles. </p>
<p>This is available via <a class="el" href="event_8h.html#VBI_EVENT_ASPECT">VBI_EVENT_ASPECT</a>. </p>
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<td class="memname">int vbi_aspect_ratio::first_line</td>
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<p><em>first_line</em> and <em>last_line</em>, inclusive, describe the bounds of active video, i. e. without the black bars in letterbox mode. These are <em>first field</em> line numbers according to the ITU-R line numbering scheme, see <a class="el" href="structvbi__sliced.html" title="This structure holds one scan line of sliced vbi data. ">vbi_sliced</a>. For example PAL 23 ... 310 (288 lines), NTSC 22 ... 262 (240 lines). </p>
<p>Referenced by <a class="el" href="group__Service.html#ga2e2201e3b2bab9b7fb1bb66ade716772">vbi_decode()</a>, and <a class="el" href="group__Event.html#gad875d1642007931ee27cb99563c29ec0">vbi_reset_prog_info()</a>.</p>
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<td class="memname">double vbi_aspect_ratio::ratio</td>
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<p>The picture aspect ratio in <em>anamorphic</em> mode, 16/9 for example. Normal or letterboxed video has aspect ratio 1/1. </p>
<p>Referenced by <a class="el" href="group__Service.html#ga2e2201e3b2bab9b7fb1bb66ade716772">vbi_decode()</a>, and <a class="el" href="group__Event.html#gad875d1642007931ee27cb99563c29ec0">vbi_reset_prog_info()</a>.</p>
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<td class="memname">vbi_bool vbi_aspect_ratio::film_mode</td>
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<p><code>TRUE</code> when the source is known to be film transferred to video, as opposed to interlaced video from a video camera. (This is actually a helper flag for PALPlus decoders, but it may assist deinterlacers too.) </p>
<p>Referenced by <a class="el" href="group__Service.html#ga2e2201e3b2bab9b7fb1bb66ade716772">vbi_decode()</a>, and <a class="el" href="group__Event.html#gad875d1642007931ee27cb99563c29ec0">vbi_reset_prog_info()</a>.</p>
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<td class="memname"><a class="el" href="group__Event.html#gafc47bd05db9e7b3a7a40a6224674c608">vbi_subt</a> vbi_aspect_ratio::open_subtitles</td>
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<p>Describes how subtitles are inserted into the picture, see vbi_subt for details. </p>
<p>Referenced by <a class="el" href="group__Service.html#ga2e2201e3b2bab9b7fb1bb66ade716772">vbi_decode()</a>, and <a class="el" href="group__Event.html#gad875d1642007931ee27cb99563c29ec0">vbi_reset_prog_info()</a>.</p>
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