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<h1>bg_ov_callbacks_s Struct Reference<br>
<small>
[<a class="el" href="group__plugin__ov.html">Video output</a>]</small>
</h1><!-- doxytag: class="bg_ov_callbacks_s" -->Callbacks for the video output plugin.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="plugin_8h_source.html">plugin.h</a>></code>
<p>
<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Data Fields</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const bg_accelerator_map_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#dedfa689a1c4dff86f4cf061b261f753">accel_map</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Accelerator map. <a href="#dedfa689a1c4dff86f4cf061b261f753"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#c89827d7e70e31cde9b5bcfba1711ccc">accel_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Keyboard callback. <a href="#c89827d7e70e31cde9b5bcfba1711ccc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#659d115ff29653075da949f385befa8f">key_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int key, int mask)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Keyboard callback. <a href="#659d115ff29653075da949f385befa8f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#803c0ba53ef2f7051df1f2e6b3efe54f">key_release_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int key, int mask)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Keyboard release callback. <a href="#803c0ba53ef2f7051df1f2e6b3efe54f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#a7f91e697c462612c54755667792564f">button_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int x, int y, int button, int mask)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Mouse button callback. <a href="#a7f91e697c462612c54755667792564f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#6a98882e8ec6286d45e239d557c5ac58">button_release_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int x, int y, int button, int mask)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Mouse button release callback. <a href="#6a98882e8ec6286d45e239d557c5ac58"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#5aa71757316dc847e32f3a96d6f874f7">motion_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int x, int y, int mask)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Motion callback. <a href="#5aa71757316dc847e32f3a96d6f874f7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#ef6ce0adcdec42377b11f7079f33395a">show_window</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int show)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Show/hide callback. <a href="#ef6ce0adcdec42377b11f7079f33395a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#01ff336fd881d8cd388240a26c67600d">brightness_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Brightness change callback. <a href="#01ff336fd881d8cd388240a26c67600d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#2c0b510f534a5099b462e023b951b052">saturation_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Saturation change callback. <a href="#2c0b510f534a5099b462e023b951b052"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#0ba58704e4a1c761e963cf91cb83ceae">contrast_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Contrast change callback. <a href="#0ba58704e4a1c761e963cf91cb83ceae"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#348fec43b57000899f844b4bd2d5d0c6">hue_callback</a> )(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Hue change callback. <a href="#348fec43b57000899f844b4bd2d5d0c6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Application specific data passed as the first argument to all callbacks. <a href="#deec23b0f4d9200aa677f5cfb67c667d"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Callbacks for the video output plugin. <hr><h2>Field Documentation</h2>
<a class="anchor" name="dedfa689a1c4dff86f4cf061b261f753"></a><!-- doxytag: member="bg_ov_callbacks_s::accel_map" ref="dedfa689a1c4dff86f4cf061b261f753" args="" -->
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<td class="memname">const bg_accelerator_map_t* <a class="el" href="structbg__ov__callbacks__s.html#dedfa689a1c4dff86f4cf061b261f753">bg_ov_callbacks_s::accel_map</a> </td>
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<p>
Accelerator map.
<p>
These contain accelerator keys, which get reported through the accel_callback
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<a class="anchor" name="c89827d7e70e31cde9b5bcfba1711ccc"></a><!-- doxytag: member="bg_ov_callbacks_s::accel_callback" ref="c89827d7e70e31cde9b5bcfba1711ccc" args=")(void *data, int id)" -->
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<td class="memname">int(* <a class="el" href="structbg__ov__callbacks__s.html#c89827d7e70e31cde9b5bcfba1711ccc">bg_ov_callbacks_s::accel_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int id) </td>
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Keyboard callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>id</em> </td><td>The accelerator ID </td></tr>
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<a class="anchor" name="659d115ff29653075da949f385befa8f"></a><!-- doxytag: member="bg_ov_callbacks_s::key_callback" ref="659d115ff29653075da949f385befa8f" args=")(void *data, int key, int mask)" -->
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<td class="memname">int(* <a class="el" href="structbg__ov__callbacks__s.html#659d115ff29653075da949f385befa8f">bg_ov_callbacks_s::key_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int key, int mask) </td>
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Keyboard callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>Key code (see <a class="el" href="group__keycodes.html">System independent keycode definitions</a>) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>Modifier mask (see <a class="el" href="group__keycodes.html">System independent keycode definitions</a>) </td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if the event should further be processed, 0 else</dd></dl>
Although key_callback and accel_callback can be used at the same time, accelerator_callback is preferred, because it allows registering keyboard shortcuts in advance. This makes things more reliable, if different modules (e.g. embedded visualization plugins) also want to receive keybords events·
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<a class="anchor" name="803c0ba53ef2f7051df1f2e6b3efe54f"></a><!-- doxytag: member="bg_ov_callbacks_s::key_release_callback" ref="803c0ba53ef2f7051df1f2e6b3efe54f" args=")(void *data, int key, int mask)" -->
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<td class="memname">int(* <a class="el" href="structbg__ov__callbacks__s.html#803c0ba53ef2f7051df1f2e6b3efe54f">bg_ov_callbacks_s::key_release_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int key, int mask) </td>
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<p>
Keyboard release callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>Key code (see <a class="el" href="group__keycodes.html">System independent keycode definitions</a>) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>Modifier mask (see <a class="el" href="group__keycodes.html">System independent keycode definitions</a>) </td></tr>
</table>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if the event should further be processed, 0 else </dd></dl>
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<a class="anchor" name="a7f91e697c462612c54755667792564f"></a><!-- doxytag: member="bg_ov_callbacks_s::button_callback" ref="a7f91e697c462612c54755667792564f" args=")(void *data, int x, int y, int button, int mask)" -->
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<td class="memname">int(* <a class="el" href="structbg__ov__callbacks__s.html#a7f91e697c462612c54755667792564f">bg_ov_callbacks_s::button_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int x, int y, int button, int mask) </td>
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Mouse button callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>Horizontal cursor position in image coordinates </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Vertical cursor position in image coordinates </td></tr>
<tr><td valign="top"></td><td valign="top"><em>button</em> </td><td>Number of the mouse button, which was pressed (starting with 1) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>State mask </td></tr>
</table>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if the event should further be processed, 0 else </dd></dl>
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<a class="anchor" name="6a98882e8ec6286d45e239d557c5ac58"></a><!-- doxytag: member="bg_ov_callbacks_s::button_release_callback" ref="6a98882e8ec6286d45e239d557c5ac58" args=")(void *data, int x, int y, int button, int mask)" -->
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<td class="memname">int(* <a class="el" href="structbg__ov__callbacks__s.html#6a98882e8ec6286d45e239d557c5ac58">bg_ov_callbacks_s::button_release_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int x, int y, int button, int mask) </td>
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Mouse button release callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>Horizontal cursor position in image coordinates </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Vertical cursor position in image coordinates </td></tr>
<tr><td valign="top"></td><td valign="top"><em>button</em> </td><td>Number of the mouse button, which was pressed (starting with 1) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>State mask </td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if the event should further be processed, 0 else </dd></dl>
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<a class="anchor" name="5aa71757316dc847e32f3a96d6f874f7"></a><!-- doxytag: member="bg_ov_callbacks_s::motion_callback" ref="5aa71757316dc847e32f3a96d6f874f7" args=")(void *data, int x, int y, int mask)" -->
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<td class="memname">int(* <a class="el" href="structbg__ov__callbacks__s.html#5aa71757316dc847e32f3a96d6f874f7">bg_ov_callbacks_s::motion_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int x, int y, int mask) </td>
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Motion callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>Horizontal cursor position in image coordinates </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Vertical cursor position in image coordinates </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mask</em> </td><td>State mask </td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if the event should further be processed, 0 else </dd></dl>
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<a class="anchor" name="ef6ce0adcdec42377b11f7079f33395a"></a><!-- doxytag: member="bg_ov_callbacks_s::show_window" ref="ef6ce0adcdec42377b11f7079f33395a" args=")(void *data, int show)" -->
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<td class="memname">void(* <a class="el" href="structbg__ov__callbacks__s.html#ef6ce0adcdec42377b11f7079f33395a">bg_ov_callbacks_s::show_window</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, int show) </td>
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Show/hide callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>show</em> </td><td>1 if the window is shown now, 0 if it is hidden. </td></tr>
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<a class="anchor" name="01ff336fd881d8cd388240a26c67600d"></a><!-- doxytag: member="bg_ov_callbacks_s::brightness_callback" ref="01ff336fd881d8cd388240a26c67600d" args=")(void *data, float val)" -->
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<td class="memname">void(* <a class="el" href="structbg__ov__callbacks__s.html#01ff336fd881d8cd388240a26c67600d">bg_ov_callbacks_s::brightness_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val) </td>
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Brightness change callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>New value (0.0..1.0)</td></tr>
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This callback can be used to update OSD when the brightness changed.
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<a class="anchor" name="2c0b510f534a5099b462e023b951b052"></a><!-- doxytag: member="bg_ov_callbacks_s::saturation_callback" ref="2c0b510f534a5099b462e023b951b052" args=")(void *data, float val)" -->
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<td class="memname">void(* <a class="el" href="structbg__ov__callbacks__s.html#2c0b510f534a5099b462e023b951b052">bg_ov_callbacks_s::saturation_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val) </td>
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Saturation change callback.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>New value (0.0..1.0)</td></tr>
</table>
</dl>
This callback can be used to update OSD when the saturation changed.
</div>
</div><p>
<a class="anchor" name="0ba58704e4a1c761e963cf91cb83ceae"></a><!-- doxytag: member="bg_ov_callbacks_s::contrast_callback" ref="0ba58704e4a1c761e963cf91cb83ceae" args=")(void *data, float val)" -->
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<td class="memname">void(* <a class="el" href="structbg__ov__callbacks__s.html#0ba58704e4a1c761e963cf91cb83ceae">bg_ov_callbacks_s::contrast_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val) </td>
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<div class="memdoc">
<p>
Contrast change callback.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>New value (0.0..1.0)</td></tr>
</table>
</dl>
This callback can be used to update OSD when the contrast changed.
</div>
</div><p>
<a class="anchor" name="348fec43b57000899f844b4bd2d5d0c6"></a><!-- doxytag: member="bg_ov_callbacks_s::hue_callback" ref="348fec43b57000899f844b4bd2d5d0c6" args=")(void *data, float val)" -->
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<td class="memname">void(* <a class="el" href="structbg__ov__callbacks__s.html#348fec43b57000899f844b4bd2d5d0c6">bg_ov_callbacks_s::hue_callback</a>)(void *<a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">data</a>, float val) </td>
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<p>
Hue change callback.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>The data member of this <a class="el" href="structbg__ov__callbacks__s.html" title="Callbacks for the video output plugin.">bg_ov_callbacks_s</a> struct </td></tr>
<tr><td valign="top"></td><td valign="top"><em>val</em> </td><td>New value (0.0..1.0)</td></tr>
</table>
</dl>
This callback can be used to update OSD when the hue changed.
</div>
</div><p>
<a class="anchor" name="deec23b0f4d9200aa677f5cfb67c667d"></a><!-- doxytag: member="bg_ov_callbacks_s::data" ref="deec23b0f4d9200aa677f5cfb67c667d" args="" -->
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<td class="memname">void* <a class="el" href="structbg__ov__callbacks__s.html#deec23b0f4d9200aa677f5cfb67c667d">bg_ov_callbacks_s::data</a> </td>
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<p>
Application specific data passed as the first argument to all callbacks.
<p>
</div>
</div><p>
<hr>The documentation for this struct was generated from the following file:<ul>
<li>/home/mandrake/rpm/BUILD/gmerlin-0.4.1/include/gmerlin/<a class="el" href="plugin_8h_source.html">plugin.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Sat Aug 22 01:28:05 2009 for gmerlin 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>
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Mandriva
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