Fix various typos

Found via `codespell -q 3 -L uint -S ./ChangeLog -L dur`

.github/issue_template.md

@@ -30,7 +30,7 @@ We strongly recommend to use it! Feel free to edit or remove inapplicable/unneed
 
 ### Other information
 <!-- If you are able to illustrate the bug or feature request with an example, please provide simple
-source code below or as attatched file. List any other information that is relevant to your issue:
+source code below or as attached file. List any other information that is relevant to your issue:
   Stack traces,
   related issues,
   build logs,

AUTHORS

@@ -103,7 +103,7 @@ summary of contributions.
   adapted version was integrated in the source code. files:
   fluid_cmd.c, fluidsynth/synth.h, fluid_synth.c.
 
-* Some interpolation algorihms were used that were found in
+* Some interpolation algorithms were used that were found in
   the music-dsp archives (http://www.smartelectronix.com/musicdsp).
   They were written by Joshua Scholar and others.  file: iiwu_synth.c
 

README.md

@@ -94,6 +94,6 @@ several reasons:
   Xmms, WinAmp, Director, ...); develop language bindings (Python,
   Java, Perl, ...); and integrate it into (game) frameworks (Crystal
   Space, SDL, ...). For these reasons I've decided it would be easiest
-  if the project stayed very focussed on its goal (a Soundfont
+  if the project stayed very focused on its goal (a Soundfont
   synthesizer), stayed small (ideally one file) and didn't dependent
   on external code.

TODO

@@ -31,7 +31,7 @@ Validation
 
 Documentation
 -------------
-- Write documention on tuning
+- Write documentation on tuning
 - Add usage scenarios in the documentation
 - User and system configuration file
 

doc/fluidsynth-v20-devdoc.txt

@@ -67,7 +67,7 @@ What is FluidSynth?
 
 - FluidSynth is open source, in active development. For more details, take a look at http://www.fluidsynth.org
 
-\section NewIn2_1_0 Whats new in 2.1.0?
+\section NewIn2_1_0 What's new in 2.1.0?
 
 - <span style="color:red">refrain from using fluid_synth_set_sample_rate()</span>
 - new reverb engine
@@ -79,35 +79,35 @@ What is FluidSynth?
   - sdl2
   - waveout
 
-\section NewIn2_0_8 Whats new in 2.0.8?
+\section NewIn2_0_8 What's new in 2.0.8?
 
 - fluid_sample_set_sound_data() caused broken sound when copying sample data
 
-\section NewIn2_0_7 Whats new in 2.0.7?
+\section NewIn2_0_7 What's new in 2.0.7?
 
 - fluid_free() has been added to allow proper deallocation by programming languages other than C/C++
 
-\section NewIn2_0_6 Whats new in 2.0.6?
+\section NewIn2_0_6 What's new in 2.0.6?
 
 - the MIDI player did not emit any audio when calling fluid_player_play() after fluid_player_stop()
 
-\section NewIn2_0_5 Whats new in 2.0.5?
+\section NewIn2_0_5 What's new in 2.0.5?
 
 - fluid_synth_process() omitted audio samples when called with arbitrary sample counts that were not a multiple of fluid_synth_get_internal_bufsize()
 - fluid_synth_sfunload() was not releasing sample buffers of SoundFont3 files if <a href="fluidsettings.xml#synth.dynamic-sample-loading">"synth.dynamic-sample-loading"</a> was set to FALSE
 
-\section NewIn2_0_3 Whats new in 2.0.3?
+\section NewIn2_0_3 What's new in 2.0.3?
 
 - fix incorrect behaviour of fluid_sample_set_sound_data()
 - add missing getters for midi events:
   - fluid_midi_event_get_text()
   - fluid_midi_event_get_lyrics()
 
-\section NewIn2_0_2 Whats new in 2.0.2?
+\section NewIn2_0_2 What's new in 2.0.2?
 
 - fluid_synth_error() has been deprecated, use fluid_set_log_function() to interfere log messages
 
-\section NewIn2_0_0 Whats new in 2.0.0?
+\section NewIn2_0_0 What's new in 2.0.0?
 
 FluidSynths major version was bumped. The API was reworked, deprecated functions were removed.
 
@@ -452,7 +452,7 @@ fluid_settings_setstr(settings, "audio.file.name", "/path/to/output.wav");
 // use number of samples processed as timing source, rather than the system timer
 fluid_settings_setstr(settings, "player.timing-source", "sample");
 
-// since this is a non-realtime szenario, there is no need to pin the sample data
+// since this is a non-realtime scenario, there is no need to pin the sample data
 fluid_settings_setint(settings, "synth.lock-memory", 0);
 
 synth = new_fluid_synth(settings);

doc/fluidsynth_fx.c

@@ -50,7 +50,7 @@ int fx_function(void *data, int len,
      * audio output. */
     if(fluid_synth_process(fx_data->synth, len, nfx, fx, nout, out) != FLUID_OK)
     {
-        /* Some error occured. Very unlikely to happen, though. */
+        /* Some error occurred. Very unlikely to happen, though. */
         return FLUID_FAILED;
     }
 

include/fluidsynth/audio.h

@@ -50,7 +50,7 @@ extern "C" {
  * @param fx Array of buffers to store effects audio to. Buffers may alias with buffers of \c out.
  * @param nout Count of arrays in \c out.
  * @param out Array of buffers to store (dry) audio to. Buffers may alias with buffers of \c fx.
- * @return Should return #FLUID_OK on success, #FLUID_FAILED if an error occured.
+ * @return Should return #FLUID_OK on success, #FLUID_FAILED if an error occurred.
  */
 typedef int (*fluid_audio_func_t)(void *data, int len,
                                   int nfx, float *fx[],

include/fluidsynth/event.h

@@ -46,7 +46,7 @@ enum fluid_seq_event_type
     FLUID_SEQ_PROGRAMCHANGE,	/**< Program change message */
     FLUID_SEQ_PROGRAMSELECT,	/**< Program select message */
     FLUID_SEQ_PITCHBEND,		/**< Pitch bend message */
-    FLUID_SEQ_PITCHWHEELSENS,	/**< Pitch wheel sensitivity set message @since 1.1.0 was mispelled previously */
+    FLUID_SEQ_PITCHWHEELSENS,	/**< Pitch wheel sensitivity set message @since 1.1.0 was misspelled previously */
     FLUID_SEQ_MODULATION,		/**< Modulation controller event */
     FLUID_SEQ_SUSTAIN,		/**< Sustain controller event */
     FLUID_SEQ_CONTROLCHANGE,	/**< MIDI control change event */

include/fluidsynth/ladspa.h

@@ -29,7 +29,7 @@ extern "C" {
  * @file ladspa.h
  * @brief Functions for manipulating the ladspa effects unit
  *
- * This header defines useful functions for programatically manipulating the ladspa
+ * This header defines useful functions for programmatically manipulating the ladspa
  * effects unit of the synth that can be retrieved via fluid_synth_get_ladspa_fx().
  *
  * Using any of those functions requires fluidsynth to be compiled with ladspa support.

include/fluidsynth/sfont.h

@@ -90,7 +90,7 @@ enum fluid_sample_type
  * could be another type of string identifier that the \a loader understands).
  * @param loader SoundFont loader
  * @param filename File name or other string identifier
- * @return The loaded instrument file (SoundFont) or NULL if an error occured.
+ * @return The loaded instrument file (SoundFont) or NULL if an error occurred.
  */
 typedef fluid_sfont_t *(*fluid_sfloader_load_t)(fluid_sfloader_t *loader, const char *filename);
 
@@ -134,7 +134,7 @@ typedef int (* fluid_sfloader_callback_read_t)(void *buf, int count, void *handl
 typedef int (* fluid_sfloader_callback_seek_t)(void *handle, long offset, int origin);
 
 /**
- * Closes the handle returned by #fluid_sfloader_callback_open_t and frees used ressources.
+ * Closes the handle returned by #fluid_sfloader_callback_open_t and frees used resources.
  *
  * @return returns #FLUID_OK on success, #FLUID_FAILED on error
  */

include/fluidsynth/synth.h

@@ -330,7 +330,7 @@ enum fluid_channel_breath_flags
 {
     FLUID_CHANNEL_BREATH_POLY = 0x10,  /**< when channel is poly, this flag indicates that the default velocity to initial attenuation modulator is replaced by a breath to initial attenuation modulator */
     FLUID_CHANNEL_BREATH_MONO = 0x20,  /**< when channel is mono, this flag indicates that the default velocity to initial attenuation modulator is replaced by a breath modulator */
-    FLUID_CHANNEL_BREATH_SYNC = 0x40,  /**< when channel is mono, this flag indicates that the breath controler(MSB)triggers noteon/noteoff on the running note */
+    FLUID_CHANNEL_BREATH_SYNC = 0x40,  /**< when channel is mono, this flag indicates that the breath controller(MSB)triggers noteon/noteoff on the running note */
 };
 
 /** Indicates the mode a basic channel is set to */

src/bindings/fluid_cmd.c

@@ -523,7 +523,7 @@ fluid_shell_run(void *data)
         case 1: /* empty line or comment */
             break;
 
-        case FLUID_FAILED: /* erronous command */
+        case FLUID_FAILED: /* erroneous command */
             errors = TRUE;
 
         case FLUID_OK: /* valid command */
@@ -1373,7 +1373,7 @@ fluid_handle_echo(void *data, int ac, char **av, fluid_ostream_t out)
 /* Purpose:
  * Sleep during a time in ms
  * The command itself is useful to insert a delay between commands.
- * It can help for exemple to build a small song using noteon/noteoff commands
+ * It can help for example to build a small song using noteon/noteoff commands
  * in a command file.
  */
 int
@@ -2510,7 +2510,7 @@ static int print_basic_channels(fluid_synth_t *synth, fluid_ostream_t out)
 
 /*-----------------------------------------------------------------------------
   basicchannels
-   Prints the list of all MIDI basic channels informations
+   Prints the list of all MIDI basic channels information
    example:
 
 	Basic channel:  0, poly omni on (0), nbr:  3
@@ -2527,7 +2527,7 @@ int fluid_handle_basicchannels(void *data, int ac, char **av,
 }
 
 /*
-  Searchs a mode name and returns the channel mode number.
+  Searches a mode name and returns the channel mode number.
   name must be: poly_omnion,  mono_omnion, poly_omnioff, mono_omnioff.
   @param name to search.
   @return channel mode number (0 to 3) if name is valid, -1 otherwise.
@@ -3045,7 +3045,7 @@ int fluid_handle_setlegatomode(void *data, int ac, char **av,
         return -1;
     }
 
-    n = ac / 2; /* number of legato groups informations */
+    n = ac / 2; /* number of legato groups information */
 
     for(i = 0; i < n; i++)
     {
@@ -3135,7 +3135,7 @@ int fluid_handle_setportamentomode(void *data, int ac, char **av,
         return -1;
     }
 
-    n = ac / 2; /* number of portamento groups informations */
+    n = ac / 2; /* number of portamento groups information */
 
     for(i = 0; i < n; i++)
     {
@@ -3259,7 +3259,7 @@ int fluid_handle_breathmode(void *data, int ac, char **av,
 
   Parameter 1 is the channel number (i.e 4).
   Parameter 2 is the " Breath modulator " enable/disable  for poly mode (i.e disabled).
-  Parameter 3 is the " Breath modulator " enabe/disable for mono mode (i.e enabled).
+  Parameter 3 is the " Breath modulator " enable/disable for mono mode (i.e enabled).
   Parameter 4 is "breath sync noteOn/Off" enable/disable for mono mode only (i.e enabled).
 
 */
@@ -3281,7 +3281,7 @@ int fluid_handle_setbreathmode(void *data, int ac, char **av,
         return -1;
     }
 
-    n = ac / 4; /* number of breath groups informations */
+    n = ac / 4; /* number of breath groups information */
 
     for(i = 0; i < n; i++)
     {
@@ -3866,7 +3866,7 @@ static unsigned short fluid_profile_send_notes(fluid_synth_t *synth, int notes,
 * Starts n_prof measures of dur duration(ms) each.
 *
 * n_prof  number of measures (default value if not specified).
-* dur: measure duration (ms) (defaut value if not specified).
+* dur: measure duration (ms) (default value if not specified).
 *
 * The result of each measure is displayed.
 *
@@ -3967,7 +3967,7 @@ fluid_handle_prof_start(void *data, int ac, char **av, fluid_ostream_t out)
     }
 
     /* Starts - waits - prints n_prof measures */
-    fluid_ostream_printf(out, "Number of measures(n_prof):%d, duration of one mesure(dur):%dms\n",
+    fluid_ostream_printf(out, "Number of measures(n_prof):%d, duration of one measure(dur):%dms\n",
                          n_prof, dur);
 
     /* Clears any previous <ENTER> pending key */

src/config.cmake

@@ -136,7 +136,7 @@
 /* Define to enable network support */
 #cmakedefine NETWORK_SUPPORT @NETWORK_SUPPORT@
 
-/* Defined when fluidsynth is build in an automated enviornment, where no MSVC++ Runtime Debug Assertion dialogs should pop up */
+/* Defined when fluidsynth is build in an automated environment, where no MSVC++ Runtime Debug Assertion dialogs should pop up */
 #cmakedefine NO_GUI @NO_GUI@
 
 /* libinstpatch for DLS and GIG */

src/drivers/fluid_adriver.c

@@ -399,7 +399,7 @@ delete_fluid_audio_driver(fluid_audio_driver_t *driver)
  * By default all audio drivers fluidsynth has been compiled with are registered, so calling this function is optional.
  *
  * @warning This function may only be called if no thread is residing in fluidsynth's API and no instances of any kind
- * are alive (e.g. as it would be the case right after fluidsynth's inital creation). Else the behaviour is undefined.
+ * are alive (e.g. as it would be the case right after fluidsynth's initial creation). Else the behaviour is undefined.
  * Furtermore any attempt of using audio drivers that have not been registered is undefined behaviour!
  *
  * @param adrivers NULL-terminated array of audio drivers to register. Pass NULL to register all available drivers.

src/drivers/fluid_alsa.c

@@ -375,7 +375,7 @@ static int fluid_alsa_handle_write_error(snd_pcm_t *pcm, int errval)
         snd_pcm_wait(pcm, 1);
         break;
 // on some BSD variants ESTRPIPE is defined as EPIPE.
-// not sure why, maybe because this version of alsa doesnt support
+// not sure why, maybe because this version of alsa doesn't support
 // suspending pcm streams. anyway, since EPIPE seems to be more
 // likely than ESTRPIPE, so ifdef it out in case.
 #if ESTRPIPE == EPIPE

src/drivers/fluid_midishare.c

@@ -27,7 +27,7 @@
  * 21/12/01 : Add a compilation flag (MIDISHARE_DRIVER) for driver or application mode
  * 29/01/02 : Compilation on MacOSX, use a task for typeNote management
  * 03/06/03 : Adapdation for FluidSynth API
- * 18/03/04 : In appplication mode, connect MidiShare to the fluidsynth client (fluid_midishare_open_appl)
+ * 18/03/04 : In application mode, connect MidiShare to the fluidsynth client (fluid_midishare_open_appl)
  */
 
 #include "config.h"

src/drivers/fluid_sndmgr.c

@@ -313,7 +313,7 @@ void  pascal fluid_sndmgr_callback(SndChannelPtr chan, SndDoubleBufferPtr double
     }
     else
     {
-        /* let the synth do the convertion */
+        /* let the synth do the conversion */
         fluid_synth_write_s16((fluid_synth_t *)dev->data, buffer_size, buf, 0, 2, buf, 1, 2);
     }
 

src/midi/fluid_midi.c

@@ -2354,7 +2354,7 @@ delete_fluid_midi_parser(fluid_midi_parser_t *parser)
  * apps to abuse fluidsynth as midi parser, e.g. feeding it with rawmidi and pull out
  * the needed midi information using the getter functions of fluid_midi_event_t.
  * This parser however is incomplete as it e.g. only provides a limited buffer to
- * store and process SYSEX data (i.e. doesnt allow arbitrary lengths)
+ * store and process SYSEX data (i.e. doesn't allow arbitrary lengths)
  */
 fluid_midi_event_t *
 fluid_midi_parser_parse(fluid_midi_parser_t *parser, unsigned char c)

src/midi/fluid_seq.c

@@ -616,7 +616,7 @@ fluid_sequencer_get_time_scale(fluid_sequencer_t *seq)
   All queue data structure management is done in a timer
   callback: '_fluid_seq_queue_process'.  The
   _fluid_seq_queue_process function first process the preQueue,
-  inserting or removing event entrys from the queue, then
+  inserting or removing event entries from the queue, then
   processes the queue, by sending events ready to be sent at the
   current time.
 

src/rvoice/fluid_chorus.c

@@ -63,7 +63,7 @@
  * The delay i is controlled by a sine or triangle modulation i ( 1 <= i <= n).
  *
  * The chorus unit process a monophonic input signal and produces stereo output
- * controled by WIDTH macro.
+ * controlled by WIDTH macro.
  * Actually WIDTH is fixed to maximum value. But in the future, we could add a
  * setting (e.g "synth.chorus.width") allowing the user to get a gradually stereo
  * effect from minimum (monophonic) to maximum stereo effect.
@@ -79,7 +79,7 @@
  * The advantages are:
  * - Avoiding a lost of 608272 memory bytes when lfo speed is low (0.3Hz).
  * - Allows to diminish the lfo speed lower limit to 0.1Hz instead of 0.3Hz.
- *   A speed of 0.1 is interresting for chorus. Using a lookuptable for 0.1Hz
+ *   A speed of 0.1 is interesting for chorus. Using a lookuptable for 0.1Hz
  *   would require too much memory (1824816 bytes).
  * - Interpolation make use of first order all-pass interpolator instead of
  *   bandlimited interpolation.
@@ -244,7 +244,7 @@ struct _fluid_chorus_t
 static void set_sinus_frequency(sinus_modulator *mod,
                                 float freq, float sample_rate, float phase)
 {
-    fluid_real_t w = 2 * FLUID_M_PI * freq / sample_rate; /* intial angle */
+    fluid_real_t w = 2 * FLUID_M_PI * freq / sample_rate; /* initial angle */
     fluid_real_t a;
 
     mod->a1 = 2 * FLUID_COS(w);
@@ -313,7 +313,7 @@ static void set_triangle_frequency(triang_modulator *mod, float freq,
     mod->inc  = 4 / ns_period; /* positive slope */
 
     /* The initial value and the sign of the slope depend of initial phase:
-      intial value = = (ns_period * frac_phase) * slope
+      initial value = = (ns_period * frac_phase) * slope
     */
     mod->val =  ns_period * frac_phase * mod->inc;
 
@@ -365,7 +365,7 @@ static FLUID_INLINE fluid_real_t get_mod_delay(fluid_chorus_t *chorus,
     fluid_real_t out; /* value to return */
 
     /* Checks if the modulator must be updated (every mod_rate samples). */
-    /* Important: center_pos_mod must be used immediatly for the
+    /* Important: center_pos_mod must be used immediately for the
        first sample. So, mdl->index_rate must be initialized
        to mdl->mod_rate (new_mod_delay_line())  */
 
@@ -421,7 +421,7 @@ static FLUID_INLINE fluid_real_t get_mod_delay(fluid_chorus_t *chorus,
         mod->line_out -= chorus->size;
     }
 
-    /* Fractional interpolation beetween next sample (at next position) and
+    /* Fractional interpolation between next sample (at next position) and
        previous output added to current sample.
     */
     out += mod->frac_pos_mod * (chorus->line[mod->line_out] - mod->buffer);
@@ -479,7 +479,7 @@ static void set_center_position(fluid_chorus_t *chorus)
     chorus->center_pos_mod = (fluid_real_t)center;
 
     /* index rate to control when to update center_pos_mod */
-    /* Important: must be set to get center_pos_mod immediatly used for the
+    /* Important: must be set to get center_pos_mod immediately used for the
        reading of first sample (see get_mod_delay()) */
     chorus->index_rate = chorus->mod_rate;
 }
@@ -800,7 +800,7 @@ fluid_chorus_set(fluid_chorus_t *chorus, int set, int nr, fluid_real_t level,
 
         fluid_real_t wet = chorus->level * SCALE_WET ;
 
-        /* wet1 and wet2 are used by the stereo effect controled by the width setting
+        /* wet1 and wet2 are used by the stereo effect controlled by the width setting
         for producing a stereo ouptput from a monophonic chorus signal.
         Please see the note above about a side effect tendency */
 

src/rvoice/fluid_rev.c

@@ -68,7 +68,7 @@
  *    output is the same. This sounds like a monophonic signal.
  *    When 100, the separation between left and right is maximum.
  *
- *  - level (0 to 1), controls the ouput level reverberation.
+ *  - level (0 to 1), controls the output level reverberation.
  *
  * This FDN reverb produces a better quality reverberation tail than Freeverb with
  * far less ringing by using modulated delay lines that help to cancel
@@ -428,7 +428,7 @@ typedef struct
 static void set_mod_frequency(sinus_modulator *mod,
                               float freq, float sample_rate, float phase)
 {
-    fluid_real_t w = 2 * FLUID_M_PI * freq / sample_rate; /* intial angle */
+    fluid_real_t w = 2 * FLUID_M_PI * freq / sample_rate; /* initial angle */
     fluid_real_t a;
 
     mod->a1 = 2 * FLUID_COS(w);
@@ -599,7 +599,7 @@ static int set_mod_delay_line(mod_delay_line *mdl,
     mdl->center_pos_mod = (fluid_real_t) INTERP_SAMPLES_NBR + mod_depth;
 
     /* index rate to control when to update center_pos_mod */
-    /* Important: must be set to get center_pos_mod immediatly used for the
+    /* Important: must be set to get center_pos_mod immediately used for the
        reading of first sample (see get_mod_delay()) */
     mdl->index_rate = mdl->mod_rate;
 
@@ -631,7 +631,7 @@ static FLUID_INLINE fluid_real_t get_mod_delay(mod_delay_line *mdl)
     fluid_real_t out; /* value to return */
 
     /* Checks if the modulator must be updated (every mod_rate samples). */
-    /* Important: center_pos_mod must be used immediatly for the
+    /* Important: center_pos_mod must be used immediately for the
        first sample. So, mdl->index_rate must be initialized
        to mdl->mod_rate (set_mod_delay_line())  */
 
@@ -688,7 +688,7 @@ static FLUID_INLINE fluid_real_t get_mod_delay(mod_delay_line *mdl)
         mdl->dl.line_out -= mdl->dl.size;
     }
 
-    /* Fractional interpolation beetween next sample (at next position) and
+    /* Fractional interpolation between next sample (at next position) and
        previous output added to current sample.
     */
     out += mdl->frac_pos_mod * (mdl->dl.line[mdl->dl.line_out] - mdl->buffer);
@@ -932,7 +932,7 @@ static int create_mod_delay_lines(fluid_late *late, fluid_real_t sample_rate)
 
         Delay line's length given by static table delay_length[] is nominal
         to get minimum modal density of 0.15 at sample rate 44100Hz.
-        Here we set length_factor to 2 to mutiply this nominal modal
+        Here we set length_factor to 2 to multiply this nominal modal
         density by 2. This leads to a default modal density of 0.15 * 2 = 0.3 for
         sample rate <= 44100.
 
@@ -1055,7 +1055,7 @@ fluid_revmodel_update(fluid_revmodel_t *rev)
     fluid_real_t wet = (rev->level * SCALE_WET) /
                        (1.0f + rev->width * SCALE_WET_WIDTH);
 
-    /* wet1 and wet2 are used by the stereo effect controled by the width setting
+    /* wet1 and wet2 are used by the stereo effect controlled by the width setting
     for producing a stereo ouptput from a monophonic reverb signal.
     Please see the note above about a side effect tendency */
 
@@ -1135,7 +1135,7 @@ delete_fluid_revmodel(fluid_revmodel_t *rev)
 *
 * Note that while the reverb is used by calling any fluid_revmodel_processXXX()
 * function, calling fluid_revmodel_set() could produce audible clics.
-* If this is a problem, optionnaly call fluid_revmodel_reset() before calling
+* If this is a problem, optionally call fluid_revmodel_reset() before calling
 * fluid_revmodel_set().
 *
 * @param rev Reverb instance.
@@ -1298,7 +1298,7 @@ fluid_revmodel_processreplace(fluid_revmodel_t *rev, const fluid_real_t *in,
             process_damping_filter(delay_out_s, delay_out_s, mdl);
 
             /* Result in delay_out[], and matrix_factor.
-               These wil be use later during input line process */
+               These will be of use later during input line process */
             delay_out[i] = delay_out_s;   /* result in delay_out[] */
             matrix_factor += delay_out_s; /* result in matrix_factor */
 
@@ -1419,7 +1419,7 @@ void fluid_revmodel_processmix(fluid_revmodel_t *rev, const fluid_real_t *in,
             process_damping_filter(delay_out_s, delay_out_s, mdl);
 
             /* Result in delay_out[], and matrix_factor.
-               These wil be use later during input line process */
+               These will be of use later during input line process */
             delay_out[i] = delay_out_s;   /* result in delay_out[] */
             matrix_factor += delay_out_s; /* result in matrix_factor */
 

src/rvoice/fluid_rvoice_event.h

@@ -37,7 +37,7 @@ struct _fluid_rvoice_event_t
 
 /*
  * Bridge between the renderer thread and the midi state thread.
- * fluid_rvoice_eventhandler_fetch_all() can be called in parallell
+ * fluid_rvoice_eventhandler_fetch_all() can be called in parallel
  * with fluid_rvoice_eventhandler_push/flush()
  */
 struct _fluid_rvoice_eventhandler_t

src/rvoice/fluid_rvoice_mixer.c

@@ -379,7 +379,7 @@ fluid_rvoice_buffers_mix(fluid_rvoice_buffers_t *buffers,
     int bufcount = buffers->count;
     int i, dsp_i;
 
-    /* if there is nothing to mix, return immediatly */
+    /* if there is nothing to mix, return immediately */
     if(sample_count <= 0 || dest_bufcount <= 0)
     {
         return;
@@ -672,7 +672,7 @@ fluid_mixer_buffers_init(fluid_mixer_buffers_t *buffers, fluid_rvoice_mixer_t *m
 DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_samplerate)
 {
     fluid_rvoice_mixer_t *mixer = obj;
-    fluid_real_t samplerate = param[1].real; // becausee fluid_synth_update_mixer() puts real into arg2
+    fluid_real_t samplerate = param[1].real; // because fluid_synth_update_mixer() puts real into arg2
 
     int i;
     for(i = 0; i < mixer->fx_units; i++)

src/sfloader/fluid_defsfont.c

@@ -336,7 +336,7 @@ int fluid_defsfont_load_sampledata(fluid_defsfont_t *defsfont, SFData *sfdata, f
         return FLUID_OK;
     }
 
-    /* Ogg Vorbis samples already have loop pointers relative to the invididual decompressed sample,
+    /* Ogg Vorbis samples already have loop pointers relative to the individual decompressed sample,
      * but SF2 samples are relative to sample chunk start, so they need to be adjusted */
     if(!(sample->sampletype & FLUID_SAMPLETYPE_OGG_VORBIS))
     {
@@ -776,7 +776,7 @@ fluid_defpreset_noteon_add_mod_to_voice(fluid_voice_t *voice,
             /* Although local_mod and global_mod lists was limited to
                FLUID_NUM_MOD at soundfont loading time, it is possible that
                local + global modulators exceeds FLUID_NUM_MOD.
-               So, checks if mod_list_count reachs the limit.
+               So, checks if mod_list_count reaches the limit.
             */
             if(mod_list_count >= FLUID_NUM_MOD)
             {
@@ -805,7 +805,7 @@ fluid_defpreset_noteon_add_mod_to_voice(fluid_voice_t *voice,
      */
 
     /* Restrict identity check to the actual number of voice modulators */
-    /* Acual number of voice modulators : defaults + [instruments] */
+    /* Actual number of voice modulators : defaults + [instruments] */
     identity_limit_count = voice->mod_count;
 
     for(i = 0; i < mod_list_count; i++)
@@ -1413,7 +1413,7 @@ fluid_zone_gen_import_sfont(fluid_gen_t *gen, fluid_zone_range_t *range, SFZone
  * @param src, pointer on destination modulator source.
  * @param flags, pointer on destination modulator flags.
  * @param sf_source, soundfont modulator source.
- * @return return TRUE if success, FALSE if source type is unknow.
+ * @return return TRUE if success, FALSE if source type is unknown.
  */
 static int
 fluid_zone_mod_source_import_sfont(unsigned char *src, unsigned char *flags, unsigned short sf_source)

src/sfloader/fluid_samplecache.c

@@ -36,7 +36,7 @@ typedef struct _fluid_samplecache_entry_t fluid_samplecache_entry_t;
 
 struct _fluid_samplecache_entry_t
 {
-    /* The follwing members all form the cache key */
+    /* The following members all form the cache key */
     char *filename;
     time_t modification_time;
     unsigned int sf_samplepos;

src/sfloader/fluid_sffile.c

@@ -893,7 +893,7 @@ static int process_sdta(SFData *sf, unsigned int size)
 
                 if(chunk.size > size)
                 {
-                    FLUID_LOG(FLUID_WARN, "SM24 exeeds SDTA chunk, ignoring SM24");
+                    FLUID_LOG(FLUID_WARN, "SM24 exceeds SDTA chunk, ignoring SM24");
                     goto ret; // no error
                 }
 
@@ -2476,7 +2476,7 @@ error_exit:
 /* Ogg Vorbis loading and decompression */
 #if LIBSNDFILE_SUPPORT
 
-/* Virtual file access rountines to allow loading individually compressed
+/* Virtual file access routines to allow loading individually compressed
  * samples from the Soundfont sample data chunk using the file callbacks
  * passing in during opening of the file */
 typedef struct _sfvio_data_t

src/sfloader/fluid_sfont.c

@@ -51,7 +51,7 @@ int safe_fread(void *buf, int count, void *fd)
     {
         if(feof((FILE *)fd))
         {
-            FLUID_LOG(FLUID_ERR, "EOF while attemping to read %d bytes", count);
+            FLUID_LOG(FLUID_ERR, "EOF while attempting to read %d bytes", count);
         }
         else
         {

src/synth/fluid_chan.c

@@ -413,7 +413,7 @@ fluid_channel_update_legato_staccato_state(fluid_channel_t *chan)
  *       prev_note keeps a trace of the note prior i_last note.
  *       FLUID_CHANNEL_LEGATO_PLAYING bit keeps trace of legato/staccato playing state.
  *
- * More informations in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+ * More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
 */
 void
 fluid_channel_add_monolist(fluid_channel_t *chan, unsigned char key,
@@ -523,7 +523,7 @@ fluid_channel_search_monolist(fluid_channel_t *chan, unsigned char key, int *i_p
  *       - prev_note keeps a trace of the note removed if it is i_last.
  *       - FLUID_CHANNEL_LEGATO_PLAYING bit keeps a trace of legato/staccato playing state.
  *
- * More informations in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+ * More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
  */
 void
 fluid_channel_remove_monolist(fluid_channel_t *chan, int i, int *i_prev)

src/synth/fluid_synth.c

@@ -385,7 +385,7 @@ fluid_synth_init(void)
                          );
     fluid_mod_set_source2(&default_pan_mod, 0, 0);                 /* No second source */
     fluid_mod_set_dest(&default_pan_mod, GEN_PAN);                 /* Target: pan */
-    /* Amount: 500. The SF specs $8.4.6, p. 55 syas: "Amount = 1000
+    /* Amount: 500. The SF specs $8.4.6, p. 55 says: "Amount = 1000
        tenths of a percent". The center value (64) corresponds to 50%,
        so it follows that amount = 50% x 1000/% = 500. */
     fluid_mod_set_amount(&default_pan_mod, 500.0);
@@ -4063,7 +4063,7 @@ fluid_synth_write_s16(fluid_synth_t *synth, int len,
     while(size);
 
     synth->cur = cur;
-    synth->dither_index = di;	/* keep dither buffer continous */
+    synth->dither_index = di;	/* keep dither buffer continuous */
 
     time = fluid_utime() - time;
     cpu_load = 0.5 * (fluid_atomic_float_get(&synth->cpu_load) + time * synth->sample_rate / len / 10000.0);
@@ -4114,7 +4114,7 @@ fluid_synth_dither_s16(int *dither_index, int len, const float *lin, const float
         }
     }
 
-    *dither_index = di;	/* keep dither buffer continous */
+    *dither_index = di;	/* keep dither buffer continuous */
 
     fluid_profile(FLUID_PROF_WRITE, prof_ref, 0, len);
 }
@@ -6229,7 +6229,7 @@ fluid_synth_set_gen_LOCAL(fluid_synth_t *synth, int chan, int param, float value
 }
 
 /**
- * Retrive the generator NRPN offset assigned to a MIDI channel.
+ * Retrieve the generator NRPN offset assigned to a MIDI channel.
  *
  * The value returned is in native units of the generator. By default, the offset is zero.
  * @param synth FluidSynth instance
@@ -6895,7 +6895,7 @@ fluid_synth_check_next_basic_channel(fluid_synth_t *synth, int basicchan, int mo
         {
             /* A value of 0 for val means all possible channels from basicchan to
             to the next basic channel -1 (if any).
-            When i reachs the next basic channel group, real_val will be
+            When i reaches the next basic channel group, real_val will be
             limited if it is possible */
             if(val == 0)
             {
@@ -7009,7 +7009,7 @@ fluid_synth_set_basic_channel_LOCAL(fluid_synth_t *synth, int basicchan, int mod
 }
 
 /**
- * Searchs a previous basic channel starting from chan.
+ * Searches a previous basic channel starting from chan.
  *
  * @param synth the synth instance.
  * @param chan starting index of the search (including chan).
@@ -7019,7 +7019,7 @@ static int fluid_synth_get_previous_basic_channel(fluid_synth_t *synth, int chan
 {
     for(; chan >= 0; chan--)
     {
-        /* searchs previous basic channel */
+        /* searches previous basic channel */
         if(synth->channel[chan]->mode &  FLUID_CHANNEL_BASIC)
         {
             /* chan is the previous basic channel */
@@ -7067,7 +7067,7 @@ int fluid_synth_get_basic_channel(fluid_synth_t *synth, int chan,
         val = synth->channel[basic_chan]->mode_val;
     }
 
-    /* returns the informations if they are requested */
+    /* returns the information if they are requested */
     if(basic_chan_out)
     {
         * basic_chan_out = basic_chan;

src/synth/fluid_synth_monopoly.c

@@ -86,7 +86,7 @@
   note 'tokey'. Portamento fromkey note choice is determined at noteOn by
   fluid_synth_get_fromkey_portamento_legato() (see below).
 
-  More informations in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+  More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
 ******************************************************************************/
 
 
@@ -95,7 +95,7 @@
 ******************************************************************************/
 
 /**
- * fluid_synth_get_fromkey_portamento_legato returns two informations:
+ * fluid_synth_get_fromkey_portamento_legato returns two information:
  *    - fromkey note for portamento.
  *    - fromkey note for legato.
  *                                                 +-----> fromkey_portamento
@@ -120,7 +120,7 @@
  *       - default_fromkey if valid
  *       - otherwise prev_note(prev_note is the note prior the most recent
  *         note played).
- *       Then portamento mode is applied to validate the value choosen.
+ *       Then portamento mode is applied to validate the value chosen.
  *       Where portamento mode is:
  *       - each note, a portamento occurs on each note.
  *       - legato only, portamento only on notes played legato.
@@ -143,7 +143,7 @@
  *
  * On input
  * @param chan  fluid_channel_t.
- * @param defaultFromkey, the defaut 'fromkey portamento' note or 'fromkey legato'
+ * @param defaultFromkey, the default 'fromkey portamento' note or 'fromkey legato'
  *       note (see description above).
  *
  * @return
@@ -254,7 +254,7 @@ static char fluid_synth_get_fromkey_portamento_legato(fluid_channel_t *chan,
  *  polyphonic mode and legato pedal is On during the playing.
  *  When a channel is in "monophonic playing" state, only one note at a time can be
  *  played in a staccato or legato manner (with or without portamento).
- *  More informations in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+ *  More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
  *                                           _______________
  *                 ________________         |    noteon     |
  *                | legato detector|    O-->| mono_staccato |--*-> preset_noteon
@@ -521,7 +521,7 @@ fluid_synth_noteon_mono_staccato(fluid_synth_t *synth, int chan, int key, int ve
  *
  * The function has the same behaviour when the noteoff is poly of mono, except
  * that for mono noteoff, if any pedal (sustain or sostenuto ) is depressed, the
- * key is memorized. This is neccessary when the next mono note will be played
+ * key is memorized. This is necessary when the next mono note will be played
  * staccato, as any current mono note currently sustained will need to be released
  * (see fluid_synth_noteon_mono_staccato()).
  * Note also that for a monophonic legato passage, the function is called only when
@@ -647,7 +647,7 @@ int fluid_synth_noteoff_monopoly(fluid_synth_t *synth, int chan, int key,
  * When key tokey is outside the current Instrument Zone, Preset Zone,
  * current 'fromkey' voices are released. If necessary new voices
  * are restarted when tokey enters inside new Instrument(s) Zones,Preset Zone(s).
- * More informations in FluidPolyMono-0004.pdf chapter 4.7 (Appendices).
+ * More information in FluidPolyMono-0004.pdf chapter 4.7 (Appendices).
  */
 int fluid_synth_noteon_monopoly_legato(fluid_synth_t *synth, int chan,
                                        int fromkey, int tokey, int vel)

src/synth/fluid_voice.c

@@ -1141,7 +1141,7 @@ fluid_voice_update_param(fluid_voice_t *voice, int gen)
 /**
  * Recalculate voice parameters for a given control.
  * @param voice the synthesis voice
- * @param cc flag to distinguish between a continous control and a channel control (pitch bend, ...)
+ * @param cc flag to distinguish between a continuous control and a channel control (pitch bend, ...)
  * @param ctrl the control number:
  *   when >=0, only modulators's destination having ctrl as source are updated.
  *   when -1, all modulators's destination are updated (regardless of ctrl).
@@ -1324,7 +1324,7 @@ fluid_voice_release(fluid_voice_t *voice)
 {
     unsigned int at_tick = fluid_channel_get_min_note_length_ticks(voice->channel);
     UPDATE_RVOICE_I1(fluid_rvoice_noteoff, at_tick);
-    voice->has_noteoff = 1; // voice is marked as noteoff occured
+    voice->has_noteoff = 1; // voice is marked as noteoff occurred
 }
 
 /*
@@ -1484,7 +1484,7 @@ fluid_voice_add_mod(fluid_voice_t *voice, fluid_mod_t *mod, int mode)
  *     are checked for identity.
  *   - When check_count_limit is below the actual number of voices modulators
  *   (voice->mod_count), this will restrict identity check to this number,
- *   This is usefull when we know by advance that there is no duplicate with
+ *   This is useful when we know by advance that there is no duplicate with
  *   modulators at index above this limit. This avoid wasting cpu cycles at noteon.
  */
 void

src/utils/fluid_conv_tables.h

@@ -13,7 +13,7 @@
  Note about usefulness of 24 bits:
  1)Even fluidsynth is a 24 bit synth, this format is only relevant if
  the sample format coming from the soundfont is 24 bits and the audio sample format
- choosen by the application (audio.sample.format) is not 16 bits.
+ chosen by the application (audio.sample.format) is not 16 bits.
 
  2)When the sample soundfont is 16 bits, the internal 24 bits number have
  16 bits msb and lsb to 0. Consequently, at the DAC output, the dynamic range of

src/utils/fluid_hash.c

@@ -129,7 +129,7 @@ spaced_primes_closest(unsigned int num)
  * the case that the entry is at the head of a chain, this pointer
  * will be an item in the nodes[] array.  In the case that the entry
  * is not at the head of a chain, this pointer will be the ->next
- * pointer on the node that preceeds it.
+ * pointer on the node that precedes it.
  *
  * In the case that no matching entry exists in the table, a pointer
  * to a %NULL pointer will be returned.  To insert a item, this %NULL

src/utils/fluid_sys.c

@@ -234,7 +234,7 @@ void fluid_free(void* ptr)
  * @internal
  * @param str Pointer to a string pointer of source to tokenize.  Pointer gets
  *   updated on each invocation to point to beginning of next token.  Note that
- *   token char get's overwritten with a 0 byte.  String pointer is set to NULL
+ *   token char gets overwritten with a 0 byte.  String pointer is set to NULL
  *   when final token is returned.
  * @param delim String of delimiter chars.
  * @return Pointer to the next token or NULL if no more tokens.
@@ -513,7 +513,7 @@ void fluid_clear_fpe_i386(void)
  */
 
 #if WITH_PROFILING
-/* Profiling interface beetween profiling command shell and audio rendering API
+/* Profiling interface between profiling command shell and audio rendering API
   (FluidProfile_0004.pdf- 3.2.2).
   Macros are in defined in fluid_sys.h.
 */
@@ -692,8 +692,8 @@ static void fluid_profiling_print_load(double sample_rate, fluid_ostream_t out)
 * @param sample_rate the sample rate of audio output.
 * @param out output stream device.
 *
-* When print mode is 1, the function prints all the informations (see below).
+* When print mode is 1, the function prints all the information (see below).
-* When print mode is 0, the fonction prints only the cpu loads.
+* When print mode is 0, the function prints only the cpu loads.
 *
 * ------------------------------------------------------------------------------
 * Duration(microsecond) and cpu loads(%) (sr: 44100 Hz, sp: 22.68 microsecond)

src/utils/fluid_sys.h

@@ -464,7 +464,7 @@ typedef SOCKET fluid_socket_t;
 typedef int fluid_socket_t;
 #endif
 
-/* The function should return 0 if no error occured, non-zero
+/* The function should return 0 if no error occurred, non-zero
    otherwise. If the function return non-zero, the socket will be
    closed by the server. */
 typedef int (*fluid_server_func_t)(void *data, fluid_socket_t client_socket, char *addr);
@@ -500,7 +500,7 @@ FILE* fluid_file_open(const char* filename, const char** errMsg);
 
 /* Profiling */
 #if WITH_PROFILING
-/** profiling interface beetween Profiling command shell and Audio
+/** profiling interface between Profiling command shell and Audio
     rendering  API (FluidProfile_0004.pdf- 3.2.2)
 */
 
@@ -733,7 +733,7 @@ void fluid_msleep(unsigned int msecs);
  * Make sure you've allocated an extra of \c alignment bytes to avoid a buffer overflow.
  *
  * @note \c alignment must be a power of two
- * @return Returned pointer is guarenteed to be aligned to \c alignment boundary and in range \f[ ptr <= returned_ptr < ptr + alignment \f].
+ * @return Returned pointer is guaranteed to be aligned to \c alignment boundary and in range \f[ ptr <= returned_ptr < ptr + alignment \f].
  */
 static FLUID_INLINE void *fluid_align_ptr(const void *ptr, unsigned int alignment)
 {

src/utils/fluidsynth_priv.h

@@ -226,8 +226,8 @@ do { strncpy(_dst,_src,_n); \
 
 #if (defined(WIN32) && _MSC_VER < 1900) || defined(MINGW32)
 /* need to make sure we use a C99 compliant implementation of (v)snprintf(),
- * i.e. not microsofts non compliant extension _snprintf() as it doesnt
+ * i.e. not microsofts non compliant extension _snprintf() as it doesn't
- * reliably null-terminates the buffer
+ * reliably null-terminate the buffer
  */
 #define FLUID_SNPRINTF           g_snprintf
 #else