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130 lines
4.7 KiB
C
130 lines
4.7 KiB
C
/*
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* Copyright (C) 2004 Jack O'Quin
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef __jack_intclient_h__
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#define __jack_intclient_h__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <jack/types.h>
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/**
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* Get an internal client's name. This is useful when @ref
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* JackUseExactName was not specified on jack_internal_client_load()
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* and @ref JackNameNotUnique status was returned. In that case, the
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* actual name will differ from the @a client_name requested.
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*
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* @param client requesting JACK client's handle.
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*
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* @param intclient handle returned from jack_internal_client_load()
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* or jack_internal_client_handle().
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*
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* @return NULL if unsuccessful, otherwise pointer to the internal
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* client name obtained from the heap via malloc(). The caller should
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* jack_free() this storage when no longer needed.
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*/
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char *jack_get_internal_client_name (jack_client_t *client,
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jack_intclient_t intclient);
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/**
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* Return the @ref jack_intclient_t handle for an internal client
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* running in the JACK server.
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*
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* @param client requesting JACK client's handle.
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*
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* @param client_name for the internal client of no more than
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* jack_client_name_size() characters. The name scope is local to the
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* current server.
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*
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* @param status (if non-NULL) an address for JACK to return
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* information from this operation. This status word is formed by
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* OR-ing together the relevant @ref JackStatus bits.
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*
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* @return Opaque internal client handle if successful. If 0, the
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* internal client was not found, and @a *status includes the @ref
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* JackNoSuchClient and @ref JackFailure bits.
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*/
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jack_intclient_t jack_internal_client_handle (jack_client_t *client,
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const char *client_name,
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jack_status_t *status);
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/**
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* Load an internal client into the JACK server.
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*
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* Internal clients run inside the JACK server process. They can use
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* most of the same functions as external clients. Each internal
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* client is built as a shared object module, which must declare
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* jack_initialize() and jack_finish() entry points called at load and
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* unload times. See @ref inprocess.c for an example.
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*
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* @param client loading JACK client's handle.
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*
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* @param client_name of at most jack_client_name_size() characters
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* for the internal client to load. The name scope is local to the
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* current server.
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*
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* @param options formed by OR-ing together @ref JackOptions bits.
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* Only the @ref JackLoadOptions bits are valid.
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*
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* @param status (if non-NULL) an address for JACK to return
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* information from the load operation. This status word is formed by
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* OR-ing together the relevant @ref JackStatus bits.
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*
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* <b>Optional parameters:</b> depending on corresponding [@a options
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* bits] additional parameters may follow @a status (in this order).
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*
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* @arg [@ref JackLoadName] <em>(char *) load_name</em> is the shared
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* object file from which to load the new internal client (otherwise
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* use the @a client_name).
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*
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* @arg [@ref JackLoadInit] <em>(char *) load_init</em> an arbitrary
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* string passed to the internal client's jack_initialize() routine
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* (otherwise NULL), of no more than @ref JACK_LOAD_INIT_LIMIT bytes.
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*
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* @return Opaque internal client handle if successful. If this is 0,
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* the load operation failed, the internal client was not loaded, and
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* @a *status includes the @ref JackFailure bit.
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*/
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jack_intclient_t jack_internal_client_load (jack_client_t *client,
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const char *client_name,
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jack_options_t options,
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jack_status_t *status, ...);
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/**
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* Unload an internal client from a JACK server. This calls the
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* intclient's jack_finish() entry point then removes it. See @ref
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* inprocess.c for an example.
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*
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* @param client unloading JACK client's handle.
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*
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* @param intclient handle returned from jack_internal_client_load() or
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* jack_internal_client_handle().
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*
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* @return 0 if successful, otherwise @ref JackStatus bits.
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*/
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jack_status_t jack_internal_client_unload (jack_client_t *client,
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jack_intclient_t intclient);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __jack_intclient_h__ */
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