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Diffstat (limited to 'libs/fluidsynth/src/fluid_event_queue.h')
| -rw-r--r-- | libs/fluidsynth/src/fluid_event_queue.h | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/libs/fluidsynth/src/fluid_event_queue.h b/libs/fluidsynth/src/fluid_event_queue.h deleted file mode 100644 index a5c24da754..0000000000 --- a/libs/fluidsynth/src/fluid_event_queue.h +++ /dev/null @@ -1,195 +0,0 @@ -/* FluidSynth - A Software Synthesizer - * - * Copyright (C) 2003 Peter Hanappe and others. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public License - * as published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA - */ - -#ifndef _FLUID_EVENT_QUEUE_H -#define _FLUID_EVENT_QUEUE_H - -#include "fluid_sys.h" -#include "fluid_midi.h" -#include "fluid_ringbuffer.h" - -/** - * Type of queued event. - */ -enum fluid_event_queue_elem -{ - FLUID_EVENT_QUEUE_ELEM_MIDI, /**< MIDI event. Uses midi field of event value */ - FLUID_EVENT_QUEUE_ELEM_UPDATE_GAIN, /**< Update synthesizer gain. No payload value */ - FLUID_EVENT_QUEUE_ELEM_POLYPHONY, /**< Synth polyphony event. No payload value */ - FLUID_EVENT_QUEUE_ELEM_GEN, /**< Generator event. Uses gen field of event value */ - FLUID_EVENT_QUEUE_ELEM_PRESET, /**< Preset set event. Uses preset field of event value */ - FLUID_EVENT_QUEUE_ELEM_STOP_VOICES, /**< Stop voices event. Uses ival field of event value */ - FLUID_EVENT_QUEUE_ELEM_FREE_PRESET, /**< Free preset return event. Uses pval field of event value */ - FLUID_EVENT_QUEUE_ELEM_SET_TUNING, /**< Set tuning event. Uses set_tuning field of event value */ - FLUID_EVENT_QUEUE_ELEM_REPL_TUNING, /**< Replace tuning event. Uses repl_tuning field of event value */ - FLUID_EVENT_QUEUE_ELEM_UNREF_TUNING /**< Unref tuning return event. Uses unref_tuning field of event value */ -}; - -/** - * SoundFont generator set event structure. - */ -typedef struct -{ - int channel; /**< MIDI channel number */ - int param; /**< FluidSynth generator ID */ - float value; /**< Value for the generator (absolute or relative) */ - int absolute; /**< 1 if value is absolute, 0 if relative */ -} fluid_event_gen_t; - -/** - * Preset channel assignment event structure. - */ -typedef struct -{ - int channel; /**< MIDI channel number */ - fluid_preset_t *preset; /**< Preset to assign (synth thread owns) */ -} fluid_event_preset_t; - -/** - * Tuning assignment event structure. - */ -typedef struct -{ - char apply; /**< TRUE to set tuning in realtime */ - int channel; /**< MIDI channel number */ - fluid_tuning_t *tuning; /**< Tuning to assign */ -} fluid_event_set_tuning_t; - -/** - * Tuning replacement event structure. - */ -typedef struct -{ - char apply; /**< TRUE if tuning change should be applied in realtime */ - fluid_tuning_t *old_tuning; /**< Old tuning pointer to replace */ - fluid_tuning_t *new_tuning; /**< New tuning to assign */ -} fluid_event_repl_tuning_t; - -/** - * Tuning unref event structure. - */ -typedef struct -{ - fluid_tuning_t *tuning; /**< Tuning to unref */ - int count; /**< Number of times to unref */ -} fluid_event_unref_tuning_t; - -/** - * Structure for an integer parameter sent to a MIDI channel (bank or SoundFont ID for example). - */ -typedef struct -{ - int channel; - int val; -} fluid_event_channel_int_t; - -/** - * Event queue element structure. - */ -typedef struct -{ - char type; /**< fluid_event_queue_elem */ - - union - { - fluid_midi_event_t midi; /**< If type == FLUID_EVENT_QUEUE_ELEM_MIDI */ - fluid_event_gen_t gen; /**< If type == FLUID_EVENT_QUEUE_ELEM_GEN */ - fluid_event_preset_t preset; /**< If type == FLUID_EVENT_QUEUE_ELEM_PRESET */ - fluid_event_set_tuning_t set_tuning; /**< If type == FLUID_EVENT_QUEUE_ELEM_SET_TUNING */ - fluid_event_repl_tuning_t repl_tuning; /**< If type == FLUID_EVENT_QUEUE_ELEM_REPL_TUNING */ - fluid_event_unref_tuning_t unref_tuning; /**< If type == FLUID_EVENT_QUEUE_ELEM_UNREF_TUNING */ - double dval; /**< A floating point payload value */ - int ival; /**< An integer payload value */ - void *pval; /**< A pointer payload value */ - }; -} fluid_event_queue_elem_t; - -typedef struct _fluid_ringbuffer_t fluid_event_queue_t; - -static FLUID_INLINE fluid_event_queue_t * -fluid_event_queue_new (int count) -{ - return (fluid_event_queue_t *) new_fluid_ringbuffer(count, sizeof(fluid_event_queue_elem_t)); -} - -static FLUID_INLINE void fluid_event_queue_free (fluid_event_queue_t *queue) -{ - delete_fluid_ringbuffer(queue); -} - -/** - * Get pointer to next input array element in queue. - * @param queue Lockless queue instance - * @return Pointer to array element in queue to store data to or NULL if queue is full - * - * This function along with fluid_queue_next_inptr() form a queue "push" - * operation and is split into 2 functions to avoid an element copy. Note that - * the returned array element pointer may contain the data of a previous element - * if the queue has wrapped around. This can be used to reclaim pointers to - * allocated memory, etc. - */ -static FLUID_INLINE fluid_event_queue_elem_t * -fluid_event_queue_get_inptr (fluid_event_queue_t *queue) -{ - return (fluid_event_queue_elem_t *) fluid_ringbuffer_get_inptr(queue, 0); -} - -/** - * Advance the input queue index to complete a "push" operation. - * @param queue Lockless queue instance - * - * This function along with fluid_queue_get_inptr() form a queue "push" - * operation and is split into 2 functions to avoid element copy. - */ -static FLUID_INLINE void -fluid_event_queue_next_inptr (fluid_event_queue_t *queue) -{ - fluid_ringbuffer_next_inptr(queue, 1); -} - -/** - * Get pointer to next output array element in queue. - * @param queue Lockless queue instance - * @return Pointer to array element data in the queue or NULL if empty, can only - * be used up until fluid_queue_next_outptr() is called. - * - * This function along with fluid_queue_next_outptr() form a queue "pop" - * operation and is split into 2 functions to avoid an element copy. - */ -static FLUID_INLINE fluid_event_queue_elem_t * -fluid_event_queue_get_outptr (fluid_event_queue_t *queue) -{ - return (fluid_event_queue_elem_t *) fluid_ringbuffer_get_outptr(queue); -} - -/** - * Advance the output queue index to complete a "pop" operation. - * @param queue Lockless queue instance - * - * This function along with fluid_queue_get_outptr() form a queue "pop" - * operation and is split into 2 functions to avoid an element copy. - */ -static FLUID_INLINE void -fluid_event_queue_next_outptr (fluid_event_queue_t *queue) -{ - fluid_ringbuffer_next_outptr(queue); -} - -#endif /* _FLUID_EVENT_QUEUE_H */ |