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// client.h |
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// |
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/**************************************************************************** |
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liblscp - LinuxSampler Control Protocol API |
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Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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This library 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 GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*****************************************************************************/ |
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#ifndef __LSCP_CLIENT_H |
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#define __LSCP_CLIENT_H |
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#include "lscp/socket.h" |
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#if defined(__cplusplus) |
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extern "C" { |
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#endif |
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//------------------------------------------------------------------------- |
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// Client data structures. |
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/** Engine info cache struct. */ |
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typedef struct _lscp_engine_info_t |
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{ |
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char * description; |
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char * version; |
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} lscp_engine_info_t; |
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/** Channel info cache struct. */ |
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typedef struct _lscp_channel_info_t |
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{ |
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char * engine_name; |
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int audio_device; |
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int audio_channels; |
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char ** audio_routing; |
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char * instrument_file; |
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int instrument_nr; |
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int instrument_status; |
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int midi_device; |
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int midi_port; |
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int midi_channel; |
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float volume; |
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} lscp_channel_info_t; |
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/** Buffer fill cache struct. */ |
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typedef struct _lscp_buffer_fill_t |
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{ |
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unsigned int stream_id; |
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unsigned long stream_usage; |
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} lscp_buffer_fill_t; |
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/** Buffer fill stream usage types. */ |
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typedef enum _lscp_usage_t |
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{ |
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LSCP_USAGE_BYTES = 0, |
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LSCP_USAGE_PERCENTAGE |
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} lscp_usage_t; |
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//------------------------------------------------------------------------- |
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// Client socket main structure. |
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/** Client opaque descriptor struct. */ |
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typedef struct _lscp_client_t lscp_client_t; |
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/** Client callback procedure prototype. */ |
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typedef lscp_status_t (*lscp_client_proc_t) |
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( |
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struct _lscp_client_t *pClient, |
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const char *pchBuffer, |
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int cchBuffer, |
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void *pvData |
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); |
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//------------------------------------------------------------------------- |
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// Client versioning teller fuunction. |
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const char * lscp_client_package (void); |
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const char * lscp_client_version (void); |
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const char * lscp_client_build (void); |
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//------------------------------------------------------------------------- |
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// Client socket functions. |
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lscp_client_t * lscp_client_create (const char *pszHost, int iPort, lscp_client_proc_t pfnCallback, void *pvData); |
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lscp_status_t lscp_client_join (lscp_client_t *pClient); |
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lscp_status_t lscp_client_destroy (lscp_client_t *pClient); |
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lscp_status_t lscp_client_set_timeout (lscp_client_t *pClient, int iTimeout); |
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int lscp_client_get_timeout (lscp_client_t *pClient); |
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//------------------------------------------------------------------------- |
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// Client common protocol functions. |
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lscp_status_t lscp_client_query (lscp_client_t *pClient, const char *pszQuery); |
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const char * lscp_client_get_result (lscp_client_t *pClient ); |
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int lscp_client_get_errno (lscp_client_t *pClient ); |
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//------------------------------------------------------------------------- |
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// Client registration protocol functions. |
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lscp_status_t lscp_client_subscribe (lscp_client_t *pClient); |
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lscp_status_t lscp_client_unsubscribe (lscp_client_t *pClient); |
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//------------------------------------------------------------------------- |
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// Client command protocol functions. |
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lscp_status_t lscp_load_instrument (lscp_client_t *pClient, const char *pszFileName, int iInstrIndex, int iSamplerChannel); |
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lscp_status_t lscp_load_engine (lscp_client_t *pClient, const char *pszEngineName, int iSamplerChannel); |
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int lscp_get_channels (lscp_client_t *pClient); |
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int * lscp_list_channels (lscp_client_t *pClient); |
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int lscp_add_channel (lscp_client_t *pClient); |
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lscp_status_t lscp_remove_channel (lscp_client_t *pClient, int iSamplerChannel); |
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const char ** lscp_get_available_engines (lscp_client_t *pClient); |
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lscp_engine_info_t * lscp_get_engine_info (lscp_client_t *pClient, const char *pszEngineName); |
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lscp_channel_info_t * lscp_get_channel_info (lscp_client_t *pClient, int iSamplerChannel); |
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int lscp_get_channel_voice_count (lscp_client_t *pClient, int iSamplerChannel); |
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int lscp_get_channel_stream_count (lscp_client_t *pClient, int iSamplerChannel); |
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lscp_buffer_fill_t * lscp_get_channel_buffer_fill (lscp_client_t *pClient, lscp_usage_t iUsageType, int iSamplerChannel); |
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lscp_status_t lscp_set_channel_audio_type (lscp_client_t *pClient, int iSamplerChannel, const char *pszAudioType); |
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lscp_status_t lscp_set_channel_audio_channel (lscp_client_t *pClient, int iSamplerChannel, int iAudioOut, int iAudioIn); |
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lscp_status_t lscp_set_channel_midi_type (lscp_client_t *pClient, int iSamplerChannel, const char *pszMidiType); |
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lscp_status_t lscp_set_channel_midi_port (lscp_client_t *pClient, int iSamplerChannel, int iMidiPort); |
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lscp_status_t lscp_set_channel_midi_channel (lscp_client_t *pClient, int iSamplerChannel, int iMidiChannel); |
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lscp_status_t lscp_set_channel_volume (lscp_client_t *pClient, int iSamplerChannel, float fVolume); |
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lscp_status_t lscp_reset_channel (lscp_client_t *pClient, int iSamplerChannel); |
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#if defined(__cplusplus) |
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} |
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#endif |
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#endif // __LSCP_CLIENT_H |
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// end of client.h |
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