make fluid_midi_parser_parse() public

to enable realtime byte to fluid_midi_event_t parsing

fixes #108
addresses #150

doc/fluidsynth-v11-devdoc.txt

@@ -121,6 +121,7 @@ Changes in FluidSynth 2.0.0 concerning developers:
 Changes in FluidSynth 1.1.9 concerning developers:
 
 - add a function for registering audio drivers based on acutal needs: fluid_audio_driver_register()
+- make fluid_midi_parser_parse() public to enable realtime byte to #fluid_midi_event_t parsing
 - implement handling of #FLUID_SEQ_ALLSOUNDSOFF events in fluid_seq_fluidsynth_callback()
 - fix return value of fluid_file_set_encoding_quality()
 

include/fluidsynth/midi.h

@@ -146,7 +146,11 @@ FLUIDSYNTH_API int fluid_player_get_bpm(fluid_player_t * player);
 FLUIDSYNTH_API int fluid_player_get_midi_tempo(fluid_player_t * player);
 FLUIDSYNTH_API int fluid_player_seek(fluid_player_t *player, int ticks);
 
-///
+
+
+FLUIDSYNTH_API fluid_midi_parser_t* new_fluid_midi_parser(void);
+FLUIDSYNTH_API void delete_fluid_midi_parser(fluid_midi_parser_t* parser);
+FLUIDSYNTH_API fluid_midi_event_t* fluid_midi_parser_parse(fluid_midi_parser_t* parser, unsigned char c);
     
 #ifdef __cplusplus
 }

include/fluidsynth/types.h

@@ -58,6 +58,7 @@ typedef struct _fluid_rampreset_t fluid_rampreset_t;            /**< RAM SoundFo
 typedef struct _fluid_cmd_handler_t fluid_cmd_handler_t;        /**< Shell Command Handler */
 typedef struct _fluid_ladspa_fx_t fluid_ladspa_fx_t;            /**< LADSPA effects instance */
 typedef struct _fluid_file_callbacks_t fluid_file_callbacks_t;  /**< Callback struct to perform custom file loading of soundfonts */
+typedef struct _fluid_midi_parser_t fluid_midi_parser_t;
 
 typedef int fluid_istream_t;    /**< Input stream descriptor */
 typedef int fluid_ostream_t;    /**< Output stream descriptor */

src/midi/fluid_midi.c

@@ -1891,8 +1891,10 @@ int fluid_player_get_midi_tempo(fluid_player_t * player)
  *
  */
 
-/*
- * new_fluid_midi_parser
+/**
+ * Create a MIDI parser.
+ * @return New MIDI parser or NULL when out of memory.
+ * @since 1.1.9
  */
 fluid_midi_parser_t *
 new_fluid_midi_parser ()
@@ -1907,8 +1909,10 @@ new_fluid_midi_parser ()
     return parser;
 }
 
-/*
- * delete_fluid_midi_parser
+/**
+ * Delete a MIDI parser.
+ * @param parser The MIDI parser to delete
+ * @since 1.1.9
  */
 void
 delete_fluid_midi_parser(fluid_midi_parser_t *parser)
@@ -1919,11 +1923,25 @@ delete_fluid_midi_parser(fluid_midi_parser_t *parser)
 }
 
 /**
- * Parse a MIDI stream one character at a time.
+ * Parse one character of a MIDI byte stream at a time.
  * @param parser Parser instance
  * @param c Next character in MIDI stream
- * @return A parsed MIDI event or NULL if none.  Event is internal and should
- *   not be modified or freed and is only valid until next call to this function.
+ * @return A parsed MIDI event or NULL if more data required. Event is owned internally, should
+ * not be modified or freed and is only valid until next call to this function.
+ * @since 1.1.9
+ * 
+ * Usage example:
+ * @code
+ * int ret=FLUID_OK;
+ * for (i = 0; i < length_of_byte_stream && ret == FLUID_OK; i++)
+ * {
+ *     fluid_midi_event_t* event = fluid_midi_parser_parse(parser, my_byte_stream[i]);
+ *     if (event != NULL)
+ *     {
+ *         ret = fluid_sequencer_add_midi_event_to_buffer(seq, event);
+ *     }
+ * }
+ * @endcode
  */
 fluid_midi_event_t *
 fluid_midi_parser_parse(fluid_midi_parser_t *parser, unsigned char c)

src/midi/fluid_midi.h

@@ -25,12 +25,6 @@
 #include "fluid_sys.h"
 #include "fluid_list.h"
 
-typedef struct _fluid_midi_parser_t fluid_midi_parser_t;
-
-fluid_midi_parser_t* new_fluid_midi_parser(void);
-void delete_fluid_midi_parser(fluid_midi_parser_t* parser);
-fluid_midi_event_t* fluid_midi_parser_parse(fluid_midi_parser_t* parser, unsigned char c);
-
 
 /***************************************************************
  *