--- /dev/null
+/**
+ * \file include/instr.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_INSTR_H
+#define __ALSA_INSTR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Instrument Instrument Interface
+ * The Instrument Interface.
+ * \{
+ */
+
+/* instrument get/put */
+
+/** container for sequencer instrument header */
+typedef struct _snd_instr_header snd_instr_header_t;
+
+size_t snd_instr_header_sizeof(void);
+#define snd_instr_header_alloca(ptr) \
+do {\
+ assert(ptr);\
+ *ptr = (snd_instr_header_t *)alloca(snd_instr_header_sizeof());\
+ memset(*ptr, 0, snd_instr_header_sizeof());\
+} while (0) /**< allocate instrument header on stack */
+int snd_instr_header_malloc(snd_instr_header_t **ptr, size_t len);
+void snd_instr_header_free(snd_instr_header_t *ptr);
+void snd_instr_header_copy(snd_instr_header_t *dst, const snd_instr_header_t *src);
+
+const snd_seq_instr_t *snd_instr_header_get_id(const snd_instr_header_t *info);
+snd_seq_instr_cluster_t snd_instr_header_get_cluster(const snd_instr_header_t *info);
+unsigned int snd_instr_header_get_cmd(const snd_instr_header_t *info);
+size_t snd_instr_header_get_len(const snd_instr_header_t *info);
+const char *snd_instr_header_get_name(const snd_instr_header_t *info);
+int snd_instr_header_get_type(const snd_instr_header_t *info);
+const char *snd_instr_header_get_format(const snd_instr_header_t *info);
+const snd_seq_instr_t *snd_instr_header_get_alias(const snd_instr_header_t *info);
+void *snd_instr_header_get_data(const snd_instr_header_t *info);
+int snd_instr_header_get_follow_alias(const snd_instr_header_t *info);
+
+void snd_instr_header_set_id(snd_instr_header_t *info, const snd_seq_instr_t *id);
+void snd_instr_header_set_cluster(snd_instr_header_t *info, snd_seq_instr_cluster_t cluster);
+void snd_instr_header_set_cmd(snd_instr_header_t *info, unsigned int cmd);
+void snd_instr_header_set_len(snd_instr_header_t *info, size_t len);
+void snd_instr_header_set_name(snd_instr_header_t *info, const char *name);
+void snd_instr_header_set_type(snd_instr_header_t *info, int type);
+void snd_instr_header_set_format(snd_instr_header_t *info, const char *format);
+void snd_instr_header_set_alias(snd_instr_header_t *info, const snd_seq_instr_t *instr);
+void snd_instr_header_set_follow_alias(snd_instr_header_t *info, int val);
+
+/**
+ * Instrument abstraction layer
+ * - based on events
+ */
+
+/** instrument types */
+#define SND_SEQ_INSTR_ATYPE_DATA 0 /**< instrument data */
+#define SND_SEQ_INSTR_ATYPE_ALIAS 1 /**< instrument alias */
+
+/** instrument ASCII identifiers */
+#define SND_SEQ_INSTR_ID_DLS1 "DLS1" /**< DLS1 */
+#define SND_SEQ_INSTR_ID_DLS2 "DLS2" /**< DLS2 */
+#define SND_SEQ_INSTR_ID_SIMPLE "Simple Wave" /**< Simple Wave */
+#define SND_SEQ_INSTR_ID_SOUNDFONT "SoundFont" /**< SoundFont */
+#define SND_SEQ_INSTR_ID_GUS_PATCH "GUS Patch" /**< Gravis Patch */
+#define SND_SEQ_INSTR_ID_INTERWAVE "Interwave FFFF" /**< InterWave FFFF */
+#define SND_SEQ_INSTR_ID_OPL2_3 "OPL2/3 FM" /**< OPL2/3 FM */
+#define SND_SEQ_INSTR_ID_OPL4 "OPL4" /**< OPL4 */
+
+/** instrument types */
+#define SND_SEQ_INSTR_TYPE0_DLS1 (1<<0) /**< MIDI DLS v1 */
+#define SND_SEQ_INSTR_TYPE0_DLS2 (1<<1) /**< MIDI DLS v2 */
+#define SND_SEQ_INSTR_TYPE1_SIMPLE (1<<0) /**< Simple Wave */
+#define SND_SEQ_INSTR_TYPE1_SOUNDFONT (1<<1) /**< EMU SoundFont */
+#define SND_SEQ_INSTR_TYPE1_GUS_PATCH (1<<2) /**< Gravis UltraSound Patch */
+#define SND_SEQ_INSTR_TYPE1_INTERWAVE (1<<3) /**< InterWave FFFF */
+#define SND_SEQ_INSTR_TYPE2_OPL2_3 (1<<0) /**< Yamaha OPL2/3 FM */
+#define SND_SEQ_INSTR_TYPE2_OPL4 (1<<1) /**< Yamaha OPL4 */
+
+/** put commands */
+#define SND_SEQ_INSTR_PUT_CMD_CREATE 0 /**< create a new layer */
+#define SND_SEQ_INSTR_PUT_CMD_REPLACE 1 /**< replace the old layer with new one */
+#define SND_SEQ_INSTR_PUT_CMD_MODIFY 2 /**< modify the existing layer */
+#define SND_SEQ_INSTR_PUT_CMD_ADD 3 /**< add one to the existing layer */
+#define SND_SEQ_INSTR_PUT_CMD_REMOVE 4 /**< remove the layer */
+
+/** get commands */
+#define SND_SEQ_INSTR_GET_CMD_FULL 0 /**< get the full data stream */
+#define SND_SEQ_INSTR_GET_CMD_PARTIAL 1 /**< get the partial data stream */
+
+/* query flags */
+#define SND_SEQ_INSTR_QUERY_FOLLOW_ALIAS (1<<0) /**< follow alias to get the instrument data */
+
+/** free commands */
+#define SND_SEQ_INSTR_FREE_CMD_ALL 0 /**< remove all matching instruments */
+#define SND_SEQ_INSTR_FREE_CMD_PRIVATE 1 /**< remove only private instruments */
+#define SND_SEQ_INSTR_FREE_CMD_CLUSTER 2 /**< remove only cluster instruments */
+#define SND_SEQ_INSTR_FREE_CMD_SINGLE 3 /**< remove single instrument */
+
+
+/**
+ * FM instrument support
+ */
+
+/** FM instrument data structure */
+typedef void snd_instr_fm_t;
+
+int snd_instr_fm_convert_to_stream(snd_instr_fm_t *fm, const char *name, snd_instr_header_t **put, size_t *size);
+int snd_instr_fm_convert_from_stream(snd_instr_header_t *data, size_t size, snd_instr_fm_t **fm);
+int snd_instr_fm_free(snd_instr_fm_t *fm);
+
+
+/**
+ * Simple Wave support
+ */
+
+/** simple instrument data structure */
+typedef void snd_instr_simple_t;
+
+int snd_instr_simple_convert_to_stream(snd_instr_simple_t *simple, const char *name, snd_instr_header_t **put, size_t *size);
+int snd_instr_simple_convert_from_stream(snd_instr_header_t *data, size_t size, snd_instr_simple_t **simple);
+int snd_instr_simple_free(snd_instr_simple_t *simple);
+
+
+/**
+ * InterWave FFFF support
+ */
+
+/** IW FFFF instrument data structure */
+typedef void snd_instr_iwffff_t;
+/** IW FFFF handler */
+typedef struct _snd_iwffff_handle snd_iwffff_handle_t;
+
+int snd_instr_iwffff_open(snd_iwffff_handle_t **handle, const char *name_fff, const char *name_dta);
+int snd_instr_iwffff_open_rom(snd_iwffff_handle_t **handle, int card, int bank, int file);
+int snd_instr_iwffff_open_rom_file(snd_iwffff_handle_t **handle, const char *name, int bank, int file);
+int snd_instr_iwffff_close(snd_iwffff_handle_t *handle);
+int snd_instr_iwffff_load(snd_iwffff_handle_t *handle, int bank, int prg, snd_instr_iwffff_t **iwffff);
+int snd_instr_iwffff_convert_to_stream(snd_instr_iwffff_t *iwffff, const char *name, snd_instr_header_t **data, size_t *size);
+int snd_instr_iwffff_convert_from_stream(snd_instr_header_t *data, size_t size, snd_instr_iwffff_t **iwffff);
+int snd_instr_iwffff_free(snd_instr_iwffff_t *iwffff);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_INSTR_H */
+
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