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<div class="refentry" title="IpatchGigEffects">
<a name="libinstpatch-IpatchGigEffects"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="libinstpatch-IpatchGigEffects.top_of_page"></a>IpatchGigEffects</span></h2>
<p>IpatchGigEffects — GigaSampler instrument parameters and effects</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1" title="Stability Level">
<a name="libinstpatch-IpatchGigEffects.stability-level"></a><h2>Stability Level</h2>
Stable, unless otherwise indicated
</div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="libinstpatch-IpatchGigEffects.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a>;
enum <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigFilterType"
>IpatchGigFilterType</a>;
enum <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigControlType"
>IpatchGigControlType</a>;
void <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#ipatch-gig-parse-effects"
>ipatch_gig_parse_effects</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects);
void <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#ipatch-gig-store-effects"
>ipatch_gig_store_effects</a> (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects);
void <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#ipatch-gig-effects-init"
>ipatch_gig_effects_init</a> (<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects);
void <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#ipatch-gig-effects-to-gen-array"
>ipatch_gig_effects_to_gen_array</a> (<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects,
<a
href="../libinstpatch/libinstpatch-IpatchSF2Gen.html#IpatchSF2GenArray"
>IpatchSF2GenArray</a> *array);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#ipatch-gig-to-sf2-timecents"
>ipatch_gig_to_sf2_timecents</a> (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> gig_tc);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> <a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#ipatch-gig-volsust-to-sf2-centibels"
>ipatch_gig_volsust_to_sf2_centibels</a> (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> gig_tperc);
</pre>
</div>
<div class="refsect1" title="Description">
<a name="libinstpatch-IpatchGigEffects.description"></a><h2>Description</h2>
<p>
Functions and types for GigaSampler instrument parameters and effects.</p>
</div>
<div class="refsect1" title="Details">
<a name="libinstpatch-IpatchGigEffects.details"></a><h2>Details</h2>
<div class="refsect2" title="IpatchGigEffects">
<a name="IpatchGigEffects"></a><h3>IpatchGigEffects</h3>
<pre class="programlisting">typedef struct {
guint32 unknown1; /* byte 0-3, always 0x0000008C? */
guint32 unknown7; /* byte 44-47 */
guint32 unknown14; /* byte 100-103 */
guint16 unknown2; /* byte 12-13 */
guint16 unknown3; /* byte 16-17 */
guint16 unknown4; /* byte 20-21 */
guint16 unknown5; /* byte 24-25 */
guint16 unknown6; /* byte 36-37 */
guint16 unknown8; /* byte 60-61 */
guint16 unknown9; /* byte 68-69 */
guint16 unknown10; /* byte 76-77 */
guint16 unknown11; /* byte 84-85 */
guint16 unknown13; /* byte 98-99 */
guint16 unknown15; /* byte 106-107 */
guint16 unknown17; /* byte 116-117 */
guint16 unknown18; /* byte 122-123 */
guint16 unknown20; /* byte 126-127 */
guint8 unknown12; /* byte 93 */
guint8 unknown16; /* byte 111 */
guint8 unknown19; /* byte 125 */
guint8 unknown21; /* byte 129 */
guint8 unknown22; /* byte 130 */
guint8 unknown23; /* byte 135 */
/* EG1 - Volume envelope */
guint16 eg1_pre_attack; /* 10th percent */
guint16 eg1_sustain; /* 10th percent */
guint32 eg1_attack; /* timecents */
guint32 eg1_decay; /* timecents */
guint32 eg1_decay2; /* timecents (where is the "inf" flag?) */
guint32 eg1_release; /* timecents */
guint8 eg1_hold; /* bit 8=1:true */
/* EG2 - Filter envelope */
guint16 eg2_pre_attack; /* 10th percent */
guint16 eg2_sustain; /* 10th percent */
guint32 eg2_attack; /* timecents */
guint32 eg2_decay; /* timecents */
guint32 eg2_decay2; /* timecents */
guint32 eg2_release; /* timecents */
/* EG3 - Pitch envelope */
guint32 eg3_attack; /* timecents */
guint16 eg3_depth; /* 12 bit signed (cents) */
/* LFO1 - Volume LFO */
guint16 lfo1_internal_depth; /* 0-1200 */
guint32 lfo1_freq; /* pitch cents */
guint16 lfo1_ctrl_depth; /* 0-1200 */
guint8 lfo1_ctrl;
/* 0=internal, 1=mod wheel, 2=breath ctrl, 3=internal/mod wheel,
4=internal/breath ctrl */
/* bit 8=1:flip phase */
/* bit 7=1:synch */
/* bits 5 en 6: Res midictrl: 0=18, 1=19, 2=80, 3=81 */
/* LFO2 - Filter LFO */
guint8 lfo2_ctrl;
/* 0=internal, 1=mod wheel, 2=breath ctrl, 3=internal/mod wheel,
4=internal/breath ctrl */
/* bit 6=1:synch */
/* bit 8=1:flip phase */
/* bit 7=1:Resonance midi ctrl */
guint32 lfo2_freq; /* pitch cents */
guint16 lfo2_internal_depth; /* 0-1200 */
guint16 lfo2_ctrl_depth; /* 0-1200 */
/* LFO3 - Pitch LFO */
guint32 lfo3_freq; /* pitch cents */
guint16 lfo3_internal_depth; /* cents */
guint16 lfo3_ctrl_depth; /* cents */
guint8 lfo3_ctrl; /* bit 6: LFO3 synch bit 8:invert attentuation ctrl */
/* filter parameters */
guint8 filter_type; /* 0=lowpass, 1=bandpass, 2=highpass, 3=bandreject */
guint8 turbo_lowpass; /* bit 7=0: on */
guint8 filter_cutoff; /* bit 8=1:on */
guint8 filter_midi_ctrl; /* bit 8=1:use ctrl rest 0:aftertouch */
guint8 filter_vel_scale;
guint8 filter_resonance; /* bit 8=0:dynamic */
guint8 filter_breakpoint; /* bit 8=1:keyboard tracking */
/* velocity parameters */
guint8 vel_response; /* 0-4 = nonlinear, 5-9 = linear, 10-14 = special */
guint8 vel_dyn_range;
/* release velocity paramaters */
guint8 release_vel_response; /* 0-4 = nonlinear, 5-9 = linear, 10-14 = special */
/* release velocity dynamic range? */
guint8 release_trigger_decay;
guint8 attn_ctrl; /* bit 1:on, rest=ctrl, 0xFF=velocity */
guint8 max_velocity; /* Used for velocity split */
guint16 sample_offset;
guint8 pitch_track_dim_bypass; /* bit 0=0: pitch track */
/* 0x10/0x20=dim bypass ctrl 94/95 */
guint8 layer_pan; /* 7-bit signed */
guint8 self_mask; /* 1=true */
guint8 channel_offset; /* (*4) */
guint8 sust_defeat; /* 2=on */
} IpatchGigEffects;
</pre>
</div>
<hr>
<div class="refsect2" title="enum IpatchGigFilterType">
<a name="IpatchGigFilterType"></a><h3>enum IpatchGigFilterType</h3>
<pre class="programlisting">typedef enum
{
IPATCH_GIG_FILTER_LOWPASS = 0,
IPATCH_GIG_FILTER_BANDPASS = 1,
IPATCH_GIG_FILTER_HIGHPASS = 2,
IPATCH_GIG_FILTER_BANDREJECT = 3
} IpatchGigFilterType;
</pre>
</div>
<hr>
<div class="refsect2" title="enum IpatchGigControlType">
<a name="IpatchGigControlType"></a><h3>enum IpatchGigControlType</h3>
<pre class="programlisting">typedef enum
{
IPATCH_GIG_CTRL_MOD_WHEEL = 0x01,
IPATCH_GIG_CTRL_BREATH = 0x02,
IPATCH_GIG_CTRL_FOOT = 0x04,
IPATCH_GIG_CTRL_PORTAMENTO_TIME = 0x05,
IPATCH_GIG_CTRL_EFFECT_1 = 0x0C,
IPATCH_GIG_CTRL_EFFECT_2 = 0x0D,
IPATCH_GIG_CTRL_GEN_PURPOSE_1 = 0x10,
IPATCH_GIG_CTRL_GEN_PURPOSE_2 = 0x11,
IPATCH_GIG_CTRL_GEN_PURPOSE_3 = 0x12,
IPATCH_GIG_CTRL_GEN_PURPOSE_4 = 0x13,
IPATCH_GIG_CTRL_SUSTAIN_PEDAL = 0x40,
IPATCH_GIG_CTRL_PORTAMENTO = 0x41,
IPATCH_GIG_CTRL_SOSTENUTO = 0x42,
IPATCH_GIG_CTRL_SOFT_PEDAL = 0x43,
IPATCH_GIG_CTRL_GEN_PURPOSE_5 = 0x50,
IPATCH_GIG_CTRL_GEN_PURPOSE_6 = 0x51,
IPATCH_GIG_CTRL_GEN_PURPOSE_7 = 0x52,
IPATCH_GIG_CTRL_GEN_PURPOSE_8 = 0x53,
IPATCH_GIG_CTRL_EFFECT_DEPTH_1 = 0x5B,
IPATCH_GIG_CTRL_EFFECT_DEPTH_2 = 0x5C,
IPATCH_GIG_CTRL_EFFECT_DEPTH_3 = 0x5D,
IPATCH_GIG_CTRL_EFFECT_DEPTH_4 = 0x5E,
IPATCH_GIG_CTRL_EFFECT_DEPTH_5 = 0x5F
} IpatchGigControlType;
</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_gig_parse_effects ()">
<a name="ipatch-gig-parse-effects"></a><h3>ipatch_gig_parse_effects ()</h3>
<pre class="programlisting">void ipatch_gig_parse_effects (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects);</pre>
<p>
Parse an 3ewa GigaSampler effects chunk into a structure.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>handle</code></em> :</span></p></td>
<td> File handle containing buffered 3ewa data
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>effects</code></em> :</span></p></td>
<td> Pointer to a user supplied GigaSampler effects structure to fill
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_gig_store_effects ()">
<a name="ipatch-gig-store-effects"></a><h3>ipatch_gig_store_effects ()</h3>
<pre class="programlisting">void ipatch_gig_store_effects (<a
href="../libinstpatch/IpatchFile.html#IpatchFileHandle"
>IpatchFileHandle</a> *handle,
<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects);</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_gig_effects_init ()">
<a name="ipatch-gig-effects-init"></a><h3>ipatch_gig_effects_init ()</h3>
<pre class="programlisting">void ipatch_gig_effects_init (<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects);</pre>
<p>
Initialize GigaSampler effects structure to default values.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>effects</code></em> :</span></p></td>
<td> GigaSampler effects structure
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_gig_effects_to_gen_array ()">
<a name="ipatch-gig-effects-to-gen-array"></a><h3>ipatch_gig_effects_to_gen_array ()</h3>
<pre class="programlisting">void ipatch_gig_effects_to_gen_array (<a
href="../libinstpatch/libinstpatch-IpatchGigEffects.html#IpatchGigEffects"
>IpatchGigEffects</a> *effects,
<a
href="../libinstpatch/libinstpatch-IpatchSF2Gen.html#IpatchSF2GenArray"
>IpatchSF2GenArray</a> *array);</pre>
<p>
Convert GigaSampler effects structure to SoundFont generator array</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>effects</code></em> :</span></p></td>
<td> GigaSampler effects structure
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>array</code></em> :</span></p></td>
<td> SoundFont generator array
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_gig_to_sf2_timecents ()">
<a name="ipatch-gig-to-sf2-timecents"></a><h3>ipatch_gig_to_sf2_timecents ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> ipatch_gig_to_sf2_timecents (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint32"
>gint32</a> gig_tc);</pre>
<p>
Convert GigaSampler timecents to SoundFont timecents.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gig_tc</code></em> :</span></p></td>
<td> Amount in GigaSampler timecents
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> SoundFont timecent value
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_gig_volsust_to_sf2_centibels ()">
<a name="ipatch-gig-volsust-to-sf2-centibels"></a><h3>ipatch_gig_volsust_to_sf2_centibels ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint16"
>guint16</a> ipatch_gig_volsust_to_sf2_centibels (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> gig_tperc);</pre>
<p>
Convert GigaSampler volume sustain (tenth percent units) to
centibels (10th of a decibel).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>gig_tperc</code></em> :</span></p></td>
<td> Tenth percent sustain level
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> SoundFont centibels value
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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