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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>libfluidsynth: seq.h File Reference</title>
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<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a></div>
<h1>seq.h File Reference</h1>
<p>
<a href="seq_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a0">FLUID_SEQ_WITH_TRACE</a> 0</td></tr>
<tr><td colspan=2><br><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>typedef void(* </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a1">fluid_event_callback_t</a> )(unsigned int time, <a class="el" href="types_8h.html#a17">fluid_event_t</a> *event, <a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, void *data)</td></tr>
<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API <a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a2">new_fluid_sequencer</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate a new sequencer structure. <a href="#a2"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API void </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a3">delete_fluid_sequencer</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free the sequencer structure. <a href="#a3"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API short </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a4">fluid_sequencer_register_client</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, char *name, <a class="el" href="seq_8h.html#a1">fluid_event_callback_t</a> callback, void *data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Register a client. <a href="#a4"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API void </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a5">fluid_sequencer_unregister_client</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, short id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Unregister a previously registered client. <a href="#a5"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API int </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a6">fluid_sequencer_count_clients</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of register clients. <a href="#a6"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API short </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a7">fluid_sequencer_get_client_id</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, int index)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the id of a registered client (-1 if non existing). <a href="#a7"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API char * </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a8">fluid_sequencer_get_client_name</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, int id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the name of a registered client, given its id. <a href="#a8"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API int </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a9">fluid_sequencer_client_is_dest</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, int id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns 1 if client is a destination (has a callback). <a href="#a9"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API void </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a10">fluid_sequencer_send_now</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, <a class="el" href="types_8h.html#a17">fluid_event_t</a> *evt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sending an event immediately. <a href="#a10"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API int </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a11">fluid_sequencer_send_at</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, <a class="el" href="types_8h.html#a17">fluid_event_t</a> *evt, unsigned int time, int absolute)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Schedule an event for later sending. <a href="#a11"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API void </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a12">fluid_sequencer_remove_events</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, short source, short dest, int type)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove events from the event queue. <a href="#a12"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API unsigned int </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a13">fluid_sequencer_get_tick</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the current tick. <a href="#a13"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API void </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a14">fluid_sequencer_set_time_scale</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq, double scale)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the conversion from tick to absolute time. <a href="#a14"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FLUIDSYNTH_API double </td><td class="memItemRight" valign=bottom><a class="el" href="seq_8h.html#a15">fluid_sequencer_get_time_scale</a> (<a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> *seq)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the conversion from tick to absolute time (ticks per second). <a href="#a15"></a><br><br></td></tr>
</table>
<hr><h2>Define Documentation</h2>
<a class="anchor" name="a0" doxytag="seq.h::FLUID_SEQ_WITH_TRACE" ></a><p>
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<td class="md" nowrap valign="top"> #define FLUID_SEQ_WITH_TRACE 0
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<p>
Definition at line <a class="el" href="seq_8h-source.html#l00098">98</a> of file <a class="el" href="seq_8h-source.html">seq.h</a>. </td>
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<hr><h2>Typedef Documentation</h2>
<a class="anchor" name="a1" doxytag="seq.h::fluid_event_callback_t" ></a><p>
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<td class="md" nowrap valign="top"> typedef void(* <a class="el" href="seq_8h.html#a1">fluid_event_callback_t</a>)(unsigned int time, <a class="el" href="types_8h.html#a17">fluid_event_t</a>* event, <a class="el" href="types_8h.html#a18">fluid_sequencer_t</a>* seq, void* data)
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<p>
<p>
Definition at line <a class="el" href="seq_8h-source.html#l00029">29</a> of file <a class="el" href="seq_8h-source.html">seq.h</a>. </td>
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="a3" doxytag="seq.h::delete_fluid_sequencer" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API void delete_fluid_sequencer </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>seq</em> </td>
<td class="md" valign="top"> ) </td>
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Free the sequencer structure.
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<a class="anchor" name="a9" doxytag="seq.h::fluid_sequencer_client_is_dest" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API int fluid_sequencer_client_is_dest </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
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<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>id</em></td>
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<td class="md">) </td>
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Returns 1 if client is a destination (has a callback).
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<a class="anchor" name="a6" doxytag="seq.h::fluid_sequencer_count_clients" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API int fluid_sequencer_count_clients </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>seq</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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Returns the number of register clients.
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<a class="anchor" name="a7" doxytag="seq.h::fluid_sequencer_get_client_id" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API short fluid_sequencer_get_client_id </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>index</em></td>
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<td class="md">) </td>
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Returns the id of a registered client (-1 if non existing).
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<a class="anchor" name="a8" doxytag="seq.h::fluid_sequencer_get_client_name" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API char* fluid_sequencer_get_client_name </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
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<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>id</em></td>
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<td class="md">) </td>
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Returns the name of a registered client, given its id.
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<a class="anchor" name="a13" doxytag="seq.h::fluid_sequencer_get_tick" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API unsigned int fluid_sequencer_get_tick </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>seq</em> </td>
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Get the current tick.
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<a class="anchor" name="a15" doxytag="seq.h::fluid_sequencer_get_time_scale" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API double fluid_sequencer_get_time_scale </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>seq</em> </td>
<td class="md" valign="top"> ) </td>
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<p>
Set the conversion from tick to absolute time (ticks per second).
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<a class="anchor" name="a4" doxytag="seq.h::fluid_sequencer_register_client" ></a><p>
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API short fluid_sequencer_register_client </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>char * </td>
<td class="mdname" nowrap> <em>name</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="seq_8h.html#a1">fluid_event_callback_t</a> </td>
<td class="mdname" nowrap> <em>callback</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>void * </td>
<td class="mdname" nowrap> <em>data</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
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</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Register a client.
<p>
The registration returns a unique client ID (-1 if error) </td>
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<a class="anchor" name="a12" doxytag="seq.h::fluid_sequencer_remove_events" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API void fluid_sequencer_remove_events </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>short </td>
<td class="mdname" nowrap> <em>source</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>short </td>
<td class="mdname" nowrap> <em>dest</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>type</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Remove events from the event queue.
<p>
The events can be filtered on the source, the destination, and the type of the event. To avoid filtering, set either source, dest, or type to -1. </td>
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<a class="anchor" name="a11" doxytag="seq.h::fluid_sequencer_send_at" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API int fluid_sequencer_send_at </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="types_8h.html#a17">fluid_event_t</a> * </td>
<td class="mdname" nowrap> <em>evt</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>unsigned int </td>
<td class="mdname" nowrap> <em>time</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>absolute</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Schedule an event for later sending.
<p>
If absolute is 0, the time of the event will be offset with the current tick of the sequencer. If absolute is different from 0, the time will assumed to be absolute (starting from the creation of the sequencer). MAKES A COPY </td>
</tr>
</table>
<a class="anchor" name="a10" doxytag="seq.h::fluid_sequencer_send_now" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API void fluid_sequencer_send_now </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="types_8h.html#a17">fluid_event_t</a> * </td>
<td class="mdname" nowrap> <em>evt</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Sending an event immediately.
<p>
</td>
</tr>
</table>
<a class="anchor" name="a14" doxytag="seq.h::fluid_sequencer_set_time_scale" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API void fluid_sequencer_set_time_scale </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>double </td>
<td class="mdname" nowrap> <em>scale</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Set the conversion from tick to absolute time.
<p>
scale should be expressed as ticks per second. </td>
</tr>
</table>
<a class="anchor" name="a5" doxytag="seq.h::fluid_sequencer_unregister_client" ></a><p>
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API void fluid_sequencer_unregister_client </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="types_8h.html#a18">fluid_sequencer_t</a> * </td>
<td class="mdname" nowrap> <em>seq</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>short </td>
<td class="mdname" nowrap> <em>id</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Unregister a previously registered client.
<p>
</td>
</tr>
</table>
<a class="anchor" name="a2" doxytag="seq.h::new_fluid_sequencer" ></a><p>
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<td class="mdRow">
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<td class="md" nowrap valign="top"> FLUIDSYNTH_API <a class="el" href="types_8h.html#a18">fluid_sequencer_t</a>* new_fluid_sequencer </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Allocate a new sequencer structure.
<p>
</td>
</tr>
</table>
<hr size="1"><address style="align: right;"><small>Generated on Tue Aug 17 14:37:46 2004 for libfluidsynth by
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