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// client.c |
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// |
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/**************************************************************************** |
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liblscp - LinuxSampler Control Protocol API |
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Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved. |
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|
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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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|
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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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|
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You should have received a copy of the GNU General Public License along |
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with this program; if not, write to the Free Software Foundation, Inc., |
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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|
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*****************************************************************************/ |
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|
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#include "common.h" |
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|
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// Default timeout value (in milliseconds). |
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#define LSCP_TIMEOUT_MSECS 500 |
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|
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|
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// Local prototypes. |
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|
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static void _lscp_client_evt_proc (void *pvClient); |
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|
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static lscp_status_t _lscp_client_evt_connect (lscp_client_t *pClient); |
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static lscp_status_t _lscp_client_evt_request (lscp_client_t *pClient, int iSubscribe, lscp_event_t event); |
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|
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|
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//------------------------------------------------------------------------- |
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// Event service (datagram oriented). |
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|
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static void _lscp_client_evt_proc ( void *pvClient ) |
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{ |
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lscp_client_t *pClient = (lscp_client_t *) pvClient; |
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|
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fd_set fds; // File descriptor list for select(). |
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int fd, fdmax; // Maximum file descriptor number. |
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struct timeval tv; // For specifying a timeout value. |
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int iSelect; // Holds select return status. |
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int iTimeout; |
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|
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char achBuffer[LSCP_BUFSIZ]; |
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int cchBuffer; |
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const char *pszSeps = ":\r\n"; |
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char * pszToken; |
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char * pch; |
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int cchToken; |
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lscp_event_t event; |
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|
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#ifdef DEBUG |
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fprintf(stderr, "_lscp_client_evt_proc: Client waiting for events.\n"); |
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#endif |
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|
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while (pClient->evt.iState) { |
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|
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// Prepare for waiting on select... |
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fd = (int) pClient->evt.sock; |
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FD_ZERO(&fds); |
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FD_SET((unsigned int) fd, &fds); |
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fdmax = fd; |
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|
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// Use the timeout (x10) select feature ... |
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iTimeout = 10 * pClient->iTimeout; |
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if (iTimeout >= 1000) { |
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tv.tv_sec = iTimeout / 1000; |
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iTimeout -= tv.tv_sec * 1000; |
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} |
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else tv.tv_sec = 0; |
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tv.tv_usec = iTimeout * 1000; |
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|
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// Wait for event... |
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iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
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if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
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// May recv now... |
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cchBuffer = recv(pClient->evt.sock, achBuffer, sizeof(achBuffer), 0); |
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if (cchBuffer > 0) { |
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// Make sure received buffer it's null terminated. |
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achBuffer[cchBuffer] = (char) 0; |
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// Parse for the notification event message... |
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pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); // Have "NOTIFY". |
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if (strcasecmp(pszToken, "NOTIFY") == 0) { |
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
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event = lscp_event_from_text(pszToken); |
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// And pick the rest of data... |
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
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cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
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// Double-check if we're really up to it... |
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if (pClient->events & event) { |
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// Invoke the client event callback... |
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if ((*pClient->pfnCallback)( |
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pClient, |
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event, |
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pszToken, |
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cchToken, |
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pClient->pvData) != LSCP_OK) { |
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pClient->evt.iState = 0; |
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} |
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} |
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} |
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} else { |
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lscp_socket_perror("_lscp_client_evt_proc: recv"); |
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pClient->evt.iState = 0; |
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} |
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} // Check if select has in error. |
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else if (iSelect < 0) { |
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lscp_socket_perror("_lscp_client_evt_proc: select"); |
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pClient->evt.iState = 0; |
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} |
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|
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// Finally, always signal the event. |
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lscp_cond_signal(pClient->cond); |
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} |
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|
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#ifdef DEBUG |
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fprintf(stderr, "_lscp_client_evt_proc: Client closing.\n"); |
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#endif |
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} |
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|
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|
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//------------------------------------------------------------------------- |
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// Event subscription helpers. |
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|
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// Open the event service socket connection. |
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static lscp_status_t _lscp_client_evt_connect ( lscp_client_t *pClient ) |
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{ |
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lscp_socket_t sock; |
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struct sockaddr_in addr; |
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int cAddr; |
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#if defined(WIN32) |
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int iSockOpt = (-1); |
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#endif |
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|
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// Prepare the event connection socket... |
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sock = socket(AF_INET, SOCK_STREAM, 0); |
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if (sock == INVALID_SOCKET) { |
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lscp_socket_perror("_lscp_client_evt_connect: socket"); |
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return LSCP_FAILED; |
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} |
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|
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#if defined(WIN32) |
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if (setsockopt(sock, SOL_SOCKET, SO_DONTLINGER, (char *) &iSockOpt, sizeof(int)) == SOCKET_ERROR) |
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lscp_socket_perror("lscp_client_evt_connect: setsockopt(SO_DONTLINGER)"); |
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#endif |
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|
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#ifdef DEBUG |
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lscp_socket_getopts("_lscp_client_evt_connect:", sock); |
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#endif |
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|
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// Use same address of the command connection. |
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cAddr = sizeof(struct sockaddr_in); |
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memmove((char *) &addr, &(pClient->cmd.addr), cAddr); |
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|
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// Start the connection... |
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if (connect(sock, (struct sockaddr *) &addr, cAddr) == SOCKET_ERROR) { |
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lscp_socket_perror("_lscp_client_evt_connect: connect"); |
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closesocket(sock); |
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return LSCP_FAILED; |
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} |
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|
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// Set our socket agent struct... |
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lscp_socket_agent_init(&(pClient->evt), sock, &addr, cAddr); |
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|
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// And finally the service thread... |
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return lscp_socket_agent_start(&(pClient->evt), _lscp_client_evt_proc, pClient, 0); |
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} |
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|
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|
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// Subscribe to a single event. |
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static lscp_status_t _lscp_client_evt_request ( lscp_client_t *pClient, int iSubscribe, lscp_event_t event ) |
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{ |
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const char *pszEvent; |
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char szQuery[LSCP_BUFSIZ]; |
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int cchQuery; |
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|
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if (pClient == NULL) |
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return LSCP_FAILED; |
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|
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// Which (single) event? |
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pszEvent = lscp_event_to_text(event); |
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if (pszEvent == NULL) |
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return LSCP_FAILED; |
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|
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// Build the query string... |
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cchQuery = sprintf(szQuery, "%sSUBSCRIBE %s\n\n", (iSubscribe == 0 ? "UN" : ""), pszEvent); |
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// Just send data, forget result... |
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if (send(pClient->evt.sock, szQuery, cchQuery, 0) < cchQuery) { |
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lscp_socket_perror("_lscp_client_evt_request: send"); |
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return LSCP_FAILED; |
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} |
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|
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// Wait on response. |
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lscp_cond_wait(pClient->cond, pClient->mutex); |
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|
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// Update as naively as we can... |
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if (iSubscribe) |
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pClient->events |= event; |
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else |
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pClient->events &= ~event; |
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|
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return LSCP_OK; |
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} |
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|
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|
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//------------------------------------------------------------------------- |
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// Client versioning teller fuunction. |
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|
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|
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/** Retrieve the current client library version string. */ |
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const char* lscp_client_package (void) { return LSCP_PACKAGE; } |
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|
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/** Retrieve the current client library version string. */ |
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const char* lscp_client_version (void) { return LSCP_VERSION; } |
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|
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/** Retrieve the current client library build timestamp string. */ |
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const char* lscp_client_build (void) { return __DATE__ " " __TIME__; } |
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|
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|
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//------------------------------------------------------------------------- |
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// Client socket functions. |
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|
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/** |
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* Create a client instance, estabilishing a connection to a server hostname, |
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* which must be listening on the given port. A client callback function is |
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* also supplied for server notification event handling. |
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* |
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* @param pszHost Hostname of the linuxsampler listening server. |
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* @param iPort Port number of the linuxsampler listening server. |
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* @param pfnCallback Callback function to receive event notifications. |
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* @param pvData User context opaque data, that will be passed |
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* to the callback function. |
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* |
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* @returns The new client instance pointer if successfull, which shall be |
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* used on all subsequent client calls, NULL otherwise. |
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*/ |
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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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{ |
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lscp_client_t *pClient; |
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struct hostent *pHost; |
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lscp_socket_t sock; |
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struct sockaddr_in addr; |
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int cAddr; |
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#if defined(WIN32) |
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int iSockOpt = (-1); |
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#endif |
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|
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if (pfnCallback == NULL) { |
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fprintf(stderr, "lscp_client_create: Invalid client callback function.\n"); |
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return NULL; |
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} |
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|
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pHost = gethostbyname(pszHost); |
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if (pHost == NULL) { |
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lscp_socket_herror("lscp_client_create: gethostbyname"); |
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return NULL; |
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} |
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|
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// Allocate client descriptor... |
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|
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pClient = (lscp_client_t *) malloc(sizeof(lscp_client_t)); |
268 |
if (pClient == NULL) { |
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fprintf(stderr, "lscp_client_create: Out of memory.\n"); |
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return NULL; |
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} |
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memset(pClient, 0, sizeof(lscp_client_t)); |
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|
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pClient->pfnCallback = pfnCallback; |
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pClient->pvData = pvData; |
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|
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#ifdef DEBUG |
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fprintf(stderr, "lscp_client_create: pClient=%p: pszHost=%s iPort=%d.\n", pClient, pszHost, iPort); |
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#endif |
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|
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// Prepare the command connection socket... |
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|
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sock = socket(AF_INET, SOCK_STREAM, 0); |
284 |
if (sock == INVALID_SOCKET) { |
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lscp_socket_perror("lscp_client_create: cmd: socket"); |
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free(pClient); |
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return NULL; |
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} |
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|
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#if defined(WIN32) |
291 |
if (setsockopt(sock, SOL_SOCKET, SO_DONTLINGER, (char *) &iSockOpt, sizeof(int)) == SOCKET_ERROR) |
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lscp_socket_perror("lscp_client_create: cmd: setsockopt(SO_DONTLINGER)"); |
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#endif |
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|
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#ifdef DEBUG |
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lscp_socket_getopts("lscp_client_create: cmd", sock); |
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#endif |
298 |
|
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cAddr = sizeof(struct sockaddr_in); |
300 |
memset((char *) &addr, 0, cAddr); |
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addr.sin_family = pHost->h_addrtype; |
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memmove((char *) &(addr.sin_addr), pHost->h_addr, pHost->h_length); |
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addr.sin_port = htons((short) iPort); |
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|
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if (connect(sock, (struct sockaddr *) &addr, cAddr) == SOCKET_ERROR) { |
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lscp_socket_perror("lscp_client_create: cmd: connect"); |
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closesocket(sock); |
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free(pClient); |
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return NULL; |
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} |
311 |
|
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// Initialize the command socket agent struct... |
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lscp_socket_agent_init(&(pClient->cmd), sock, &addr, cAddr); |
314 |
|
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#ifdef DEBUG |
316 |
fprintf(stderr, "lscp_client_create: cmd: pClient=%p: sock=%d addr=%s port=%d.\n", pClient, pClient->cmd.sock, inet_ntoa(pClient->cmd.addr.sin_addr), ntohs(pClient->cmd.addr.sin_port)); |
317 |
#endif |
318 |
|
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// Initialize the event service socket struct... |
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lscp_socket_agent_init(&(pClient->evt), INVALID_SOCKET, NULL, 0); |
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// No events subscribed, yet. |
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pClient->events = LSCP_EVENT_NONE; |
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// Initialize cached members. |
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pClient->audio_drivers = NULL; |
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pClient->midi_drivers = NULL; |
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pClient->audio_devices = NULL; |
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pClient->midi_devices = NULL; |
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pClient->engines = NULL; |
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pClient->channels = NULL; |
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pClient->midi_instruments = NULL; |
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pClient->midi_maps = NULL; |
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pClient->midi_map_name = NULL; |
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lscp_driver_info_init(&(pClient->audio_driver_info)); |
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lscp_driver_info_init(&(pClient->midi_driver_info)); |
335 |
lscp_device_info_init(&(pClient->audio_device_info)); |
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lscp_device_info_init(&(pClient->midi_device_info)); |
337 |
lscp_param_info_init(&(pClient->audio_param_info)); |
338 |
lscp_param_info_init(&(pClient->midi_param_info)); |
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lscp_device_port_info_init(&(pClient->audio_channel_info)); |
340 |
lscp_device_port_info_init(&(pClient->midi_port_info)); |
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lscp_param_info_init(&(pClient->audio_channel_param_info)); |
342 |
lscp_param_info_init(&(pClient->midi_port_param_info)); |
343 |
lscp_server_info_init(&(pClient->server_info)); |
344 |
lscp_engine_info_init(&(pClient->engine_info)); |
345 |
lscp_channel_info_init(&(pClient->channel_info)); |
346 |
lscp_midi_instrument_info_init(&(pClient->midi_instrument_info)); |
347 |
// Initialize error stuff. |
348 |
pClient->pszResult = NULL; |
349 |
pClient->iErrno = -1; |
350 |
// Stream usage stuff. |
351 |
pClient->buffer_fill = NULL; |
352 |
pClient->iStreamCount = 0; |
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// Default timeout value. |
354 |
pClient->iTimeout = LSCP_TIMEOUT_MSECS; |
355 |
pClient->iTimeoutCount = 0; |
356 |
|
357 |
// Initialize the transaction mutex. |
358 |
lscp_mutex_init(pClient->mutex); |
359 |
lscp_cond_init(pClient->cond); |
360 |
|
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// Finally we've some success... |
362 |
return pClient; |
363 |
} |
364 |
|
365 |
|
366 |
/** |
367 |
* Wait for a client instance to terminate graciously. |
368 |
* |
369 |
* @param pClient Pointer to client instance structure. |
370 |
*/ |
371 |
lscp_status_t lscp_client_join ( lscp_client_t *pClient ) |
372 |
{ |
373 |
if (pClient == NULL) |
374 |
return LSCP_FAILED; |
375 |
|
376 |
#ifdef DEBUG |
377 |
fprintf(stderr, "lscp_client_join: pClient=%p.\n", pClient); |
378 |
#endif |
379 |
|
380 |
// lscp_socket_agent_join(&(pClient->evt)); |
381 |
lscp_socket_agent_join(&(pClient->cmd)); |
382 |
|
383 |
return LSCP_OK; |
384 |
} |
385 |
|
386 |
|
387 |
/** |
388 |
* Terminate and destroy a client instance. |
389 |
* |
390 |
* @param pClient Pointer to client instance structure. |
391 |
* |
392 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
393 |
*/ |
394 |
lscp_status_t lscp_client_destroy ( lscp_client_t *pClient ) |
395 |
{ |
396 |
if (pClient == NULL) |
397 |
return LSCP_FAILED; |
398 |
|
399 |
#ifdef DEBUG |
400 |
fprintf(stderr, "lscp_client_destroy: pClient=%p.\n", pClient); |
401 |
#endif |
402 |
|
403 |
// Lock this section up. |
404 |
lscp_mutex_lock(pClient->mutex); |
405 |
|
406 |
// Free up all cached members. |
407 |
lscp_midi_instrument_info_free(&(pClient->midi_instrument_info)); |
408 |
lscp_channel_info_free(&(pClient->channel_info)); |
409 |
lscp_engine_info_free(&(pClient->engine_info)); |
410 |
lscp_server_info_free(&(pClient->server_info)); |
411 |
lscp_param_info_free(&(pClient->midi_port_param_info)); |
412 |
lscp_param_info_free(&(pClient->audio_channel_param_info)); |
413 |
lscp_device_port_info_free(&(pClient->midi_port_info)); |
414 |
lscp_device_port_info_free(&(pClient->audio_channel_info)); |
415 |
lscp_param_info_free(&(pClient->midi_param_info)); |
416 |
lscp_param_info_free(&(pClient->audio_param_info)); |
417 |
lscp_device_info_free(&(pClient->midi_device_info)); |
418 |
lscp_device_info_free(&(pClient->audio_device_info)); |
419 |
lscp_driver_info_free(&(pClient->midi_driver_info)); |
420 |
lscp_driver_info_free(&(pClient->audio_driver_info)); |
421 |
// Free available engine table. |
422 |
lscp_szsplit_destroy(pClient->audio_drivers); |
423 |
lscp_szsplit_destroy(pClient->midi_drivers); |
424 |
lscp_isplit_destroy(pClient->audio_devices); |
425 |
lscp_isplit_destroy(pClient->midi_devices); |
426 |
lscp_szsplit_destroy(pClient->engines); |
427 |
lscp_isplit_destroy(pClient->channels); |
428 |
lscp_midi_instruments_destroy(pClient->midi_instruments); |
429 |
lscp_isplit_destroy(pClient->midi_maps); |
430 |
if (pClient->midi_map_name) |
431 |
free(pClient->midi_map_name); |
432 |
// Make them null. |
433 |
pClient->audio_drivers = NULL; |
434 |
pClient->midi_drivers = NULL; |
435 |
pClient->audio_devices = NULL; |
436 |
pClient->midi_devices = NULL; |
437 |
pClient->engines = NULL; |
438 |
pClient->channels = NULL; |
439 |
pClient->midi_instruments = NULL; |
440 |
pClient->midi_maps = NULL; |
441 |
pClient->midi_map_name = NULL; |
442 |
// Free result error stuff. |
443 |
lscp_client_set_result(pClient, NULL, 0); |
444 |
// Free stream usage stuff. |
445 |
if (pClient->buffer_fill) |
446 |
free(pClient->buffer_fill); |
447 |
pClient->buffer_fill = NULL; |
448 |
pClient->iStreamCount = 0; |
449 |
pClient->iTimeout = 0; |
450 |
|
451 |
// Free socket agents. |
452 |
lscp_socket_agent_free(&(pClient->evt)); |
453 |
lscp_socket_agent_free(&(pClient->cmd)); |
454 |
|
455 |
// Last but not least, free good ol'transaction mutex. |
456 |
lscp_mutex_unlock(pClient->mutex); |
457 |
lscp_mutex_destroy(pClient->mutex); |
458 |
lscp_cond_destroy(pClient->cond); |
459 |
|
460 |
free(pClient); |
461 |
|
462 |
return LSCP_OK; |
463 |
} |
464 |
|
465 |
|
466 |
/** |
467 |
* Set the client transaction timeout interval. |
468 |
* |
469 |
* @param pClient Pointer to client instance structure. |
470 |
* @param iTimeout Transaction timeout in milliseconds. |
471 |
* |
472 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
473 |
*/ |
474 |
lscp_status_t lscp_client_set_timeout ( lscp_client_t *pClient, int iTimeout ) |
475 |
{ |
476 |
if (pClient == NULL) |
477 |
return LSCP_FAILED; |
478 |
if (iTimeout < 0) |
479 |
return LSCP_FAILED; |
480 |
|
481 |
pClient->iTimeout = iTimeout; |
482 |
return LSCP_OK; |
483 |
} |
484 |
|
485 |
|
486 |
/** |
487 |
* Get the client transaction timeout interval. |
488 |
* |
489 |
* @param pClient Pointer to client instance structure. |
490 |
* |
491 |
* @returns The current timeout value milliseconds, -1 in case of failure. |
492 |
*/ |
493 |
int lscp_client_get_timeout ( lscp_client_t *pClient ) |
494 |
{ |
495 |
if (pClient == NULL) |
496 |
return -1; |
497 |
|
498 |
return pClient->iTimeout; |
499 |
} |
500 |
|
501 |
|
502 |
//------------------------------------------------------------------------- |
503 |
// Client common protocol functions. |
504 |
|
505 |
/** |
506 |
* Submit a command query line string to the server. The query string |
507 |
* must be cr/lf and null terminated. Besides the return code, the |
508 |
* specific server response to the command request is made available |
509 |
* by the @ref lscp_client_get_result and @ref lscp_client_get_errno |
510 |
* function calls. |
511 |
* |
512 |
* @param pClient Pointer to client instance structure. |
513 |
* @param pszQuery Command request line to be sent to server, |
514 |
* must be cr/lf and null terminated. |
515 |
* |
516 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
517 |
*/ |
518 |
lscp_status_t lscp_client_query ( lscp_client_t *pClient, const char *pszQuery ) |
519 |
{ |
520 |
lscp_status_t ret; |
521 |
|
522 |
if (pClient == NULL) |
523 |
return LSCP_FAILED; |
524 |
|
525 |
// Lock this section up. |
526 |
lscp_mutex_lock(pClient->mutex); |
527 |
|
528 |
// Just make the now guarded call. |
529 |
ret = lscp_client_call(pClient, pszQuery, 0); |
530 |
|
531 |
// Unlock this section down. |
532 |
lscp_mutex_unlock(pClient->mutex); |
533 |
|
534 |
return ret; |
535 |
} |
536 |
|
537 |
/** |
538 |
* Get the last received result string. In case of error or warning, |
539 |
* this is the text of the error or warning message issued. |
540 |
* |
541 |
* @param pClient Pointer to client instance structure. |
542 |
* |
543 |
* @returns A pointer to the literal null-terminated result string as |
544 |
* of the last command request. |
545 |
*/ |
546 |
const char *lscp_client_get_result ( lscp_client_t *pClient ) |
547 |
{ |
548 |
if (pClient == NULL) |
549 |
return NULL; |
550 |
|
551 |
return pClient->pszResult; |
552 |
} |
553 |
|
554 |
|
555 |
/** |
556 |
* Get the last error/warning number received. |
557 |
* |
558 |
* @param pClient Pointer to client instance structure. |
559 |
* |
560 |
* @returns The numerical value of the last error or warning |
561 |
* response code received. |
562 |
*/ |
563 |
int lscp_client_get_errno ( lscp_client_t *pClient ) |
564 |
{ |
565 |
if (pClient == NULL) |
566 |
return -1; |
567 |
|
568 |
return pClient->iErrno; |
569 |
} |
570 |
|
571 |
|
572 |
//------------------------------------------------------------------------- |
573 |
// Client registration protocol functions. |
574 |
|
575 |
/** |
576 |
* Register frontend for receiving event messages: |
577 |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
578 |
* | CHANNEL_INFO | MISCELLANEOUS |
579 |
* |
580 |
* @param pClient Pointer to client instance structure. |
581 |
* @param events Bit-wise OR'ed event flags to subscribe. |
582 |
* |
583 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
584 |
*/ |
585 |
lscp_status_t lscp_client_subscribe ( lscp_client_t *pClient, lscp_event_t events ) |
586 |
{ |
587 |
lscp_status_t ret = LSCP_FAILED; |
588 |
|
589 |
if (pClient == NULL) |
590 |
return LSCP_FAILED; |
591 |
|
592 |
// Lock this section up. |
593 |
lscp_mutex_lock(pClient->mutex); |
594 |
|
595 |
// If applicable, start the alternate connection... |
596 |
if (pClient->events == LSCP_EVENT_NONE) |
597 |
ret = _lscp_client_evt_connect(pClient); |
598 |
|
599 |
// Send the subscription commands. |
600 |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_COUNT)) |
601 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNEL_COUNT); |
602 |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
603 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_VOICE_COUNT); |
604 |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
605 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_STREAM_COUNT); |
606 |
if (ret == LSCP_OK && (events & LSCP_EVENT_BUFFER_FILL)) |
607 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_BUFFER_FILL); |
608 |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_INFO)) |
609 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNEL_INFO); |
610 |
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
611 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_MISCELLANEOUS); |
612 |
|
613 |
// Unlock this section down. |
614 |
lscp_mutex_unlock(pClient->mutex); |
615 |
|
616 |
return ret; |
617 |
} |
618 |
|
619 |
|
620 |
/** |
621 |
* Deregister frontend from receiving UDP event messages anymore: |
622 |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
623 |
* | CHANNEL_INFO | MISCELLANEOUS |
624 |
* |
625 |
* @param pClient Pointer to client instance structure. |
626 |
* @param events Bit-wise OR'ed event flags to unsubscribe. |
627 |
* |
628 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
629 |
*/ |
630 |
lscp_status_t lscp_client_unsubscribe ( lscp_client_t *pClient, lscp_event_t events ) |
631 |
{ |
632 |
lscp_status_t ret = LSCP_OK; |
633 |
|
634 |
if (pClient == NULL) |
635 |
return LSCP_FAILED; |
636 |
|
637 |
// Lock this section up. |
638 |
lscp_mutex_lock(pClient->mutex); |
639 |
|
640 |
// Send the unsubscription commands. |
641 |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_COUNT)) |
642 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNEL_COUNT); |
643 |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
644 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_VOICE_COUNT); |
645 |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
646 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_STREAM_COUNT); |
647 |
if (ret == LSCP_OK && (events & LSCP_EVENT_BUFFER_FILL)) |
648 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_BUFFER_FILL); |
649 |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_INFO)) |
650 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNEL_INFO); |
651 |
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
652 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_MISCELLANEOUS); |
653 |
|
654 |
// If necessary, close the alternate connection... |
655 |
if (pClient->events == LSCP_EVENT_NONE) |
656 |
lscp_socket_agent_free(&(pClient->evt)); |
657 |
|
658 |
// Unlock this section down. |
659 |
lscp_mutex_unlock(pClient->mutex); |
660 |
|
661 |
return ret; |
662 |
} |
663 |
|
664 |
|
665 |
/** |
666 |
* Getting current subscribed events. |
667 |
* |
668 |
* @param pClient Pointer to client instance structure. |
669 |
* |
670 |
* @returns The current subscrived bit-wise OR'ed event flags. |
671 |
*/ |
672 |
lscp_event_t lscp_client_get_events ( lscp_client_t *pClient ) |
673 |
{ |
674 |
if (pClient == NULL) |
675 |
return LSCP_EVENT_NONE; |
676 |
|
677 |
return pClient->events; |
678 |
} |
679 |
|
680 |
|
681 |
//------------------------------------------------------------------------- |
682 |
// Client command protocol functions. |
683 |
|
684 |
/** |
685 |
* Loading an instrument: |
686 |
* LOAD INSTRUMENT <filename> <instr-index> <sampler-channel> |
687 |
* |
688 |
* @param pClient Pointer to client instance structure. |
689 |
* @param pszFileName Instrument file name. |
690 |
* @param iInstrIndex Instrument index number. |
691 |
* @param iSamplerChannel Sampler Channel. |
692 |
* |
693 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
694 |
*/ |
695 |
lscp_status_t lscp_load_instrument ( lscp_client_t *pClient, const char *pszFileName, int iInstrIndex, int iSamplerChannel ) |
696 |
{ |
697 |
char szQuery[LSCP_BUFSIZ]; |
698 |
|
699 |
if (pszFileName == NULL || iSamplerChannel < 0) |
700 |
return LSCP_FAILED; |
701 |
|
702 |
sprintf(szQuery, "LOAD INSTRUMENT '%s' %d %d\r\n", pszFileName, iInstrIndex, iSamplerChannel); |
703 |
return lscp_client_query(pClient, szQuery); |
704 |
} |
705 |
|
706 |
|
707 |
/** |
708 |
* Loading an instrument in the background (non modal): |
709 |
* LOAD INSTRUMENT NON_MODAL <filename> <instr-index> <sampler-channel> |
710 |
* |
711 |
* @param pClient Pointer to client instance structure. |
712 |
* @param pszFileName Instrument file name. |
713 |
* @param iInstrIndex Instrument index number. |
714 |
* @param iSamplerChannel Sampler Channel. |
715 |
* |
716 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
717 |
*/ |
718 |
lscp_status_t lscp_load_instrument_non_modal ( lscp_client_t *pClient, const char *pszFileName, int iInstrIndex, int iSamplerChannel ) |
719 |
{ |
720 |
char szQuery[LSCP_BUFSIZ]; |
721 |
|
722 |
if (pszFileName == NULL || iSamplerChannel < 0) |
723 |
return LSCP_FAILED; |
724 |
|
725 |
sprintf(szQuery, "LOAD INSTRUMENT NON_MODAL '%s' %d %d\r\n", pszFileName, iInstrIndex, iSamplerChannel); |
726 |
return lscp_client_query(pClient, szQuery); |
727 |
} |
728 |
|
729 |
|
730 |
/** |
731 |
* Loading a sampler engine: |
732 |
* LOAD ENGINE <engine-name> <sampler-channel> |
733 |
* |
734 |
* @param pClient Pointer to client instance structure. |
735 |
* @param pszEngineName Engine name. |
736 |
* @param iSamplerChannel Sampler channel number. |
737 |
* |
738 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
739 |
*/ |
740 |
lscp_status_t lscp_load_engine ( lscp_client_t *pClient, const char *pszEngineName, int iSamplerChannel ) |
741 |
{ |
742 |
char szQuery[LSCP_BUFSIZ]; |
743 |
|
744 |
if (pszEngineName == NULL || iSamplerChannel < 0) |
745 |
return LSCP_FAILED; |
746 |
|
747 |
sprintf(szQuery, "LOAD ENGINE %s %d\r\n", pszEngineName, iSamplerChannel); |
748 |
return lscp_client_query(pClient, szQuery); |
749 |
} |
750 |
|
751 |
|
752 |
/** |
753 |
* Current number of sampler channels: |
754 |
* GET CHANNELS |
755 |
* |
756 |
* @param pClient Pointer to client instance structure. |
757 |
* |
758 |
* @returns The current total number of sampler channels on success, |
759 |
* -1 otherwise. |
760 |
*/ |
761 |
int lscp_get_channels ( lscp_client_t *pClient ) |
762 |
{ |
763 |
int iChannels = -1; |
764 |
|
765 |
if (pClient == NULL) |
766 |
return -1; |
767 |
|
768 |
// Lock this section up. |
769 |
lscp_mutex_lock(pClient->mutex); |
770 |
|
771 |
if (lscp_client_call(pClient, "GET CHANNELS\r\n", 0) == LSCP_OK) |
772 |
iChannels = atoi(lscp_client_get_result(pClient)); |
773 |
|
774 |
// Unlock this section doen. |
775 |
lscp_mutex_unlock(pClient->mutex); |
776 |
|
777 |
return iChannels; |
778 |
} |
779 |
|
780 |
|
781 |
/** |
782 |
* List current sampler channels number identifiers: |
783 |
* LIST CHANNELS |
784 |
* |
785 |
* @param pClient Pointer to client instance structure. |
786 |
* |
787 |
* @returns An array of the sampler channels identifiers as positive integers, |
788 |
* terminated with -1 on success, NULL otherwise. |
789 |
*/ |
790 |
int *lscp_list_channels ( lscp_client_t *pClient ) |
791 |
{ |
792 |
const char *pszSeps = ","; |
793 |
|
794 |
if (pClient == NULL) |
795 |
return NULL; |
796 |
|
797 |
// Lock this section up. |
798 |
lscp_mutex_lock(pClient->mutex); |
799 |
|
800 |
if (pClient->channels) { |
801 |
lscp_isplit_destroy(pClient->channels); |
802 |
pClient->channels = NULL; |
803 |
} |
804 |
|
805 |
if (lscp_client_call(pClient, "LIST CHANNELS\r\n", 0) == LSCP_OK) |
806 |
pClient->channels = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
807 |
|
808 |
// Unlock this section down. |
809 |
lscp_mutex_unlock(pClient->mutex); |
810 |
|
811 |
return pClient->channels; |
812 |
} |
813 |
|
814 |
|
815 |
/** |
816 |
* Adding a new sampler channel: |
817 |
* ADD CHANNEL |
818 |
* |
819 |
* @param pClient Pointer to client instance structure. |
820 |
* |
821 |
* @returns The new sampler channel number identifier, |
822 |
* or -1 in case of failure. |
823 |
*/ |
824 |
int lscp_add_channel ( lscp_client_t *pClient ) |
825 |
{ |
826 |
int iSamplerChannel = -1; |
827 |
|
828 |
if (pClient == NULL) |
829 |
return -1; |
830 |
|
831 |
// Lock this section up. |
832 |
lscp_mutex_lock(pClient->mutex); |
833 |
|
834 |
if (lscp_client_call(pClient, "ADD CHANNEL\r\n", 0) == LSCP_OK) |
835 |
iSamplerChannel = atoi(lscp_client_get_result(pClient)); |
836 |
|
837 |
// Unlock this section down. |
838 |
lscp_mutex_unlock(pClient->mutex); |
839 |
|
840 |
return iSamplerChannel; |
841 |
} |
842 |
|
843 |
|
844 |
/** |
845 |
* Removing a sampler channel: |
846 |
* REMOVE CHANNEL <sampler-channel> |
847 |
* |
848 |
* @param pClient Pointer to client instance structure. |
849 |
* @param iSamplerChannel Sampler channel number. |
850 |
* |
851 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
852 |
*/ |
853 |
lscp_status_t lscp_remove_channel ( lscp_client_t *pClient, int iSamplerChannel ) |
854 |
{ |
855 |
char szQuery[LSCP_BUFSIZ]; |
856 |
|
857 |
if (iSamplerChannel < 0) |
858 |
return LSCP_FAILED; |
859 |
|
860 |
sprintf(szQuery, "REMOVE CHANNEL %d\r\n", iSamplerChannel); |
861 |
return lscp_client_query(pClient, szQuery); |
862 |
} |
863 |
|
864 |
|
865 |
/** |
866 |
* Getting all available engines count: |
867 |
* GET AVAILABLE_ENGINES |
868 |
* |
869 |
* @param pClient Pointer to client instance structure. |
870 |
* |
871 |
* @returns The current total number of sampler engines on success, |
872 |
* -1 otherwise. |
873 |
*/ |
874 |
int lscp_get_available_engines ( lscp_client_t *pClient ) |
875 |
{ |
876 |
int iAvailableEngines = -1; |
877 |
|
878 |
if (pClient == NULL) |
879 |
return -1; |
880 |
|
881 |
// Lock this section up. |
882 |
lscp_mutex_lock(pClient->mutex); |
883 |
|
884 |
if (lscp_client_call(pClient, "GET AVAILABLE_ENGINES\r\n", 0) == LSCP_OK) |
885 |
iAvailableEngines = atoi(lscp_client_get_result(pClient)); |
886 |
|
887 |
// Unlock this section down. |
888 |
lscp_mutex_unlock(pClient->mutex); |
889 |
|
890 |
return iAvailableEngines; |
891 |
} |
892 |
|
893 |
|
894 |
/** |
895 |
* Getting all available engines: |
896 |
* LIST AVAILABLE_ENGINES |
897 |
* |
898 |
* @param pClient Pointer to client instance structure. |
899 |
* |
900 |
* @returns A NULL terminated array of engine name strings, |
901 |
* or NULL in case of failure. |
902 |
*/ |
903 |
const char **lscp_list_available_engines ( lscp_client_t *pClient ) |
904 |
{ |
905 |
const char *pszSeps = ","; |
906 |
|
907 |
if (pClient == NULL) |
908 |
return NULL; |
909 |
|
910 |
// Lock this section up. |
911 |
lscp_mutex_lock(pClient->mutex); |
912 |
|
913 |
if (pClient->engines) { |
914 |
lscp_szsplit_destroy(pClient->engines); |
915 |
pClient->engines = NULL; |
916 |
} |
917 |
|
918 |
if (lscp_client_call(pClient, "LIST AVAILABLE_ENGINES\r\n", 0) == LSCP_OK) |
919 |
pClient->engines = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
920 |
|
921 |
// Unlock this section down. |
922 |
lscp_mutex_unlock(pClient->mutex); |
923 |
|
924 |
return (const char **) pClient->engines; |
925 |
} |
926 |
|
927 |
|
928 |
/** |
929 |
* Getting information about an engine. |
930 |
* GET ENGINE INFO <engine-name> |
931 |
* |
932 |
* @param pClient Pointer to client instance structure. |
933 |
* @param pszEngineName Engine name. |
934 |
* |
935 |
* @returns A pointer to a @ref lscp_engine_info_t structure, with all the |
936 |
* information of the given sampler engine, or NULL in case of failure. |
937 |
*/ |
938 |
lscp_engine_info_t *lscp_get_engine_info ( lscp_client_t *pClient, const char *pszEngineName ) |
939 |
{ |
940 |
lscp_engine_info_t *pEngineInfo; |
941 |
char szQuery[LSCP_BUFSIZ]; |
942 |
const char *pszResult; |
943 |
const char *pszSeps = ":"; |
944 |
const char *pszCrlf = "\r\n"; |
945 |
char *pszToken; |
946 |
char *pch; |
947 |
|
948 |
if (pClient == NULL) |
949 |
return NULL; |
950 |
if (pszEngineName == NULL) |
951 |
return NULL; |
952 |
|
953 |
// Lock this section up. |
954 |
lscp_mutex_lock(pClient->mutex); |
955 |
|
956 |
pEngineInfo = &(pClient->engine_info); |
957 |
lscp_engine_info_reset(pEngineInfo); |
958 |
|
959 |
sprintf(szQuery, "GET ENGINE INFO %s\r\n", pszEngineName); |
960 |
if (lscp_client_call(pClient, szQuery, 1) == LSCP_OK) { |
961 |
pszResult = lscp_client_get_result(pClient); |
962 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
963 |
while (pszToken) { |
964 |
if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
965 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
966 |
if (pszToken) |
967 |
lscp_unquote_dup(&(pEngineInfo->description), &pszToken); |
968 |
} |
969 |
else if (strcasecmp(pszToken, "VERSION") == 0) { |
970 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
971 |
if (pszToken) |
972 |
lscp_unquote_dup(&(pEngineInfo->version), &pszToken); |
973 |
} |
974 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
975 |
} |
976 |
} |
977 |
else pEngineInfo = NULL; |
978 |
|
979 |
// Unlock this section down. |
980 |
lscp_mutex_unlock(pClient->mutex); |
981 |
|
982 |
return pEngineInfo; |
983 |
} |
984 |
|
985 |
|
986 |
/** |
987 |
* Getting sampler channel informations: |
988 |
* GET CHANNEL INFO <sampler-channel> |
989 |
* |
990 |
* @param pClient Pointer to client instance structure. |
991 |
* @param iSamplerChannel Sampler channel number. |
992 |
* |
993 |
* @returns A pointer to a @ref lscp_channel_info_t structure, with all the |
994 |
* information of the given sampler channel, or NULL in case of failure. |
995 |
*/ |
996 |
lscp_channel_info_t *lscp_get_channel_info ( lscp_client_t *pClient, int iSamplerChannel ) |
997 |
{ |
998 |
lscp_channel_info_t *pChannelInfo; |
999 |
char szQuery[LSCP_BUFSIZ]; |
1000 |
const char *pszResult; |
1001 |
const char *pszSeps = ":"; |
1002 |
const char *pszCrlf = "\r\n"; |
1003 |
char *pszToken; |
1004 |
char *pch; |
1005 |
|
1006 |
if (pClient == NULL) |
1007 |
return NULL; |
1008 |
if (iSamplerChannel < 0) |
1009 |
return NULL; |
1010 |
|
1011 |
// Lock this section up. |
1012 |
lscp_mutex_lock(pClient->mutex); |
1013 |
|
1014 |
pChannelInfo = &(pClient->channel_info); |
1015 |
lscp_channel_info_reset(pChannelInfo); |
1016 |
|
1017 |
sprintf(szQuery, "GET CHANNEL INFO %d\r\n", iSamplerChannel); |
1018 |
if (lscp_client_call(pClient, szQuery, 1) == LSCP_OK) { |
1019 |
pszResult = lscp_client_get_result(pClient); |
1020 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1021 |
while (pszToken) { |
1022 |
if (strcasecmp(pszToken, "ENGINE_NAME") == 0) { |
1023 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1024 |
if (pszToken) |
1025 |
lscp_unquote_dup(&(pChannelInfo->engine_name), &pszToken); |
1026 |
} |
1027 |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_DEVICE") == 0) { |
1028 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1029 |
if (pszToken) |
1030 |
pChannelInfo->audio_device = atoi(lscp_ltrim(pszToken)); |
1031 |
} |
1032 |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_CHANNELS") == 0) { |
1033 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1034 |
if (pszToken) |
1035 |
pChannelInfo->audio_channels = atoi(lscp_ltrim(pszToken)); |
1036 |
} |
1037 |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_ROUTING") == 0) { |
1038 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1039 |
if (pszToken) { |
1040 |
if (pChannelInfo->audio_routing) |
1041 |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
1042 |
pChannelInfo->audio_routing = lscp_szsplit_create(pszToken, ","); |
1043 |
} |
1044 |
} |
1045 |
else if (strcasecmp(pszToken, "INSTRUMENT_FILE") == 0) { |
1046 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1047 |
if (pszToken) |
1048 |
lscp_unquote_dup(&(pChannelInfo->instrument_file), &pszToken); |
1049 |
} |
1050 |
else if (strcasecmp(pszToken, "INSTRUMENT_NR") == 0) { |
1051 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1052 |
if (pszToken) |
1053 |
pChannelInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
1054 |
} |
1055 |
else if (strcasecmp(pszToken, "INSTRUMENT_NAME") == 0) { |
1056 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1057 |
if (pszToken) |
1058 |
lscp_unquote_dup(&(pChannelInfo->instrument_name), &pszToken); |
1059 |
} |
1060 |
else if (strcasecmp(pszToken, "INSTRUMENT_STATUS") == 0) { |
1061 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1062 |
if (pszToken) |
1063 |
pChannelInfo->instrument_status = atoi(lscp_ltrim(pszToken)); |
1064 |
} |
1065 |
else if (strcasecmp(pszToken, "MIDI_INPUT_DEVICE") == 0) { |
1066 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1067 |
if (pszToken) |
1068 |
pChannelInfo->midi_device = atoi(lscp_ltrim(pszToken)); |
1069 |
} |
1070 |
else if (strcasecmp(pszToken, "MIDI_INPUT_PORT") == 0) { |
1071 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1072 |
if (pszToken) |
1073 |
pChannelInfo->midi_port = atoi(lscp_ltrim(pszToken)); |
1074 |
} |
1075 |
else if (strcasecmp(pszToken, "MIDI_INPUT_CHANNEL") == 0) { |
1076 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1077 |
if (pszToken) { |
1078 |
pszToken = lscp_ltrim(pszToken); |
1079 |
if (strcasecmp(pszToken, "ALL") == 0) |
1080 |
pChannelInfo->midi_channel = LSCP_MIDI_CHANNEL_ALL; |
1081 |
else |
1082 |
pChannelInfo->midi_channel = atoi(pszToken); |
1083 |
} |
1084 |
} |
1085 |
else if (strcasecmp(pszToken, "MIDI_INSTRUMENT_MAP") == 0) { |
1086 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1087 |
if (pszToken) { |
1088 |
pszToken = lscp_ltrim(pszToken); |
1089 |
if (strcasecmp(pszToken, "NONE") == 0) |
1090 |
pChannelInfo->midi_map = LSCP_MIDI_MAP_NONE; |
1091 |
else |
1092 |
if (strcasecmp(pszToken, "DEFAULT") == 0) |
1093 |
pChannelInfo->midi_map = LSCP_MIDI_MAP_DEFAULT; |
1094 |
else |
1095 |
pChannelInfo->midi_map = atoi(pszToken); |
1096 |
} |
1097 |
} |
1098 |
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
1099 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1100 |
if (pszToken) |
1101 |
pChannelInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
1102 |
} |
1103 |
else if (strcasecmp(pszToken, "MUTE") == 0) { |
1104 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1105 |
if (pszToken) |
1106 |
pChannelInfo->mute = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
1107 |
} |
1108 |
else if (strcasecmp(pszToken, "SOLO") == 0) { |
1109 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1110 |
if (pszToken) |
1111 |
pChannelInfo->solo = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
1112 |
} |
1113 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1114 |
} |
1115 |
} |
1116 |
else pChannelInfo = NULL; |
1117 |
|
1118 |
// Unlock this section up. |
1119 |
lscp_mutex_unlock(pClient->mutex); |
1120 |
|
1121 |
return pChannelInfo; |
1122 |
} |
1123 |
|
1124 |
|
1125 |
/** |
1126 |
* Current number of active voices: |
1127 |
* GET CHANNEL VOICE_COUNT <sampler-channel> |
1128 |
* |
1129 |
* @param pClient Pointer to client instance structure. |
1130 |
* @param iSamplerChannel Sampler channel number. |
1131 |
* |
1132 |
* @returns The number of voices currently active, -1 in case of failure. |
1133 |
*/ |
1134 |
int lscp_get_channel_voice_count ( lscp_client_t *pClient, int iSamplerChannel ) |
1135 |
{ |
1136 |
char szQuery[LSCP_BUFSIZ]; |
1137 |
int iVoiceCount = -1; |
1138 |
|
1139 |
if (pClient == NULL) |
1140 |
return -1; |
1141 |
if (iSamplerChannel < 0) |
1142 |
return -1; |
1143 |
|
1144 |
// Lock this section up. |
1145 |
lscp_mutex_lock(pClient->mutex); |
1146 |
|
1147 |
sprintf(szQuery, "GET CHANNEL VOICE_COUNT %d\r\n", iSamplerChannel); |
1148 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) |
1149 |
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
1150 |
|
1151 |
// Unlock this section down. |
1152 |
lscp_mutex_unlock(pClient->mutex); |
1153 |
|
1154 |
return iVoiceCount; |
1155 |
} |
1156 |
|
1157 |
|
1158 |
/** |
1159 |
* Current number of active disk streams: |
1160 |
* GET CHANNEL STREAM_COUNT <sampler-channel> |
1161 |
* |
1162 |
* @param pClient Pointer to client instance structure. |
1163 |
* @param iSamplerChannel Sampler channel number. |
1164 |
* |
1165 |
* @returns The number of active disk streams on success, -1 otherwise. |
1166 |
*/ |
1167 |
int lscp_get_channel_stream_count ( lscp_client_t *pClient, int iSamplerChannel ) |
1168 |
{ |
1169 |
char szQuery[LSCP_BUFSIZ]; |
1170 |
int iStreamCount = -1; |
1171 |
|
1172 |
if (pClient == NULL) |
1173 |
return -1; |
1174 |
if (iSamplerChannel < 0) |
1175 |
return -1; |
1176 |
|
1177 |
// Lock this section up. |
1178 |
lscp_mutex_lock(pClient->mutex); |
1179 |
|
1180 |
sprintf(szQuery, "GET CHANNEL STREAM_COUNT %d\r\n", iSamplerChannel); |
1181 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) |
1182 |
iStreamCount = atoi(lscp_client_get_result(pClient)); |
1183 |
|
1184 |
// Unlock this section down. |
1185 |
lscp_mutex_unlock(pClient->mutex); |
1186 |
|
1187 |
return iStreamCount; |
1188 |
} |
1189 |
|
1190 |
|
1191 |
/** |
1192 |
* Current least usage of active disk streams. |
1193 |
* |
1194 |
* @param pClient Pointer to client instance structure. |
1195 |
* @param iSamplerChannel Sampler channel number. |
1196 |
* |
1197 |
* @returns The usage percentage of the least filled active disk stream |
1198 |
* on success, -1 otherwise. |
1199 |
*/ |
1200 |
int lscp_get_channel_stream_usage ( lscp_client_t *pClient, int iSamplerChannel ) |
1201 |
{ |
1202 |
char szQuery[LSCP_BUFSIZ]; |
1203 |
int iStreamUsage = -1; |
1204 |
const char *pszResult; |
1205 |
const char *pszSeps = "[]%,"; |
1206 |
char *pszToken; |
1207 |
char *pch; |
1208 |
int iStream; |
1209 |
int iPercent; |
1210 |
|
1211 |
if (pClient == NULL) |
1212 |
return -1; |
1213 |
if (iSamplerChannel < 0) |
1214 |
return -1; |
1215 |
|
1216 |
// Lock this section up. |
1217 |
lscp_mutex_lock(pClient->mutex); |
1218 |
|
1219 |
iStream = 0; |
1220 |
sprintf(szQuery, "GET CHANNEL BUFFER_FILL PERCENTAGE %d\r\n", iSamplerChannel); |
1221 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) { |
1222 |
pszResult = lscp_client_get_result(pClient); |
1223 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1224 |
while (pszToken) { |
1225 |
if (*pszToken) { |
1226 |
// Skip stream id. |
1227 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1228 |
if (pszToken == NULL) |
1229 |
break; |
1230 |
// Get least buffer fill percentage. |
1231 |
iPercent = atol(pszToken); |
1232 |
if (iStreamUsage > iPercent || iStream == 0) |
1233 |
iStreamUsage = iPercent; |
1234 |
iStream++; |
1235 |
} |
1236 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1237 |
} |
1238 |
} |
1239 |
|
1240 |
// Unlock this section down. |
1241 |
lscp_mutex_unlock(pClient->mutex); |
1242 |
|
1243 |
return iStreamUsage; |
1244 |
} |
1245 |
|
1246 |
|
1247 |
/** |
1248 |
* Current fill state of disk stream buffers: |
1249 |
* GET CHANNEL BUFFER_FILL {BYTES|PERCENTAGE} <sampler-channel> |
1250 |
* |
1251 |
* @param pClient Pointer to client instance structure. |
1252 |
* @param usage_type Usage type to be returned, either |
1253 |
* @ref LSCP_USAGE_BYTES, or |
1254 |
* @ref LSCP_USAGE_PERCENTAGE. |
1255 |
* @param iSamplerChannel Sampler channel number. |
1256 |
* |
1257 |
* @returns A pointer to a @ref lscp_buffer_fill_t structure, with the |
1258 |
* information of the current disk stream buffer fill usage, for the given |
1259 |
* sampler channel, or NULL in case of failure. |
1260 |
*/ |
1261 |
lscp_buffer_fill_t *lscp_get_channel_buffer_fill ( lscp_client_t *pClient, lscp_usage_t usage_type, int iSamplerChannel ) |
1262 |
{ |
1263 |
lscp_buffer_fill_t *pBufferFill; |
1264 |
char szQuery[LSCP_BUFSIZ]; |
1265 |
int iStreamCount; |
1266 |
const char *pszUsageType = (usage_type == LSCP_USAGE_BYTES ? "BYTES" : "PERCENTAGE"); |
1267 |
const char *pszResult; |
1268 |
const char *pszSeps = "[]%,"; |
1269 |
char *pszToken; |
1270 |
char *pch; |
1271 |
int iStream; |
1272 |
|
1273 |
// Retrieve a channel stream estimation. |
1274 |
iStreamCount = lscp_get_channel_stream_count(pClient, iSamplerChannel); |
1275 |
if (iStreamCount < 0) |
1276 |
return NULL; |
1277 |
|
1278 |
// Lock this section up. |
1279 |
lscp_mutex_lock(pClient->mutex); |
1280 |
|
1281 |
// Check if we need to reallocate the stream usage array. |
1282 |
if (pClient->iStreamCount != iStreamCount) { |
1283 |
if (pClient->buffer_fill) |
1284 |
free(pClient->buffer_fill); |
1285 |
if (iStreamCount > 0) |
1286 |
pClient->buffer_fill = (lscp_buffer_fill_t *) malloc(iStreamCount * sizeof(lscp_buffer_fill_t)); |
1287 |
else |
1288 |
pClient->buffer_fill = NULL; |
1289 |
pClient->iStreamCount = iStreamCount; |
1290 |
} |
1291 |
|
1292 |
// Get buffer fill usage... |
1293 |
pBufferFill = pClient->buffer_fill; |
1294 |
if (pBufferFill && iStreamCount > 0) { |
1295 |
iStream = 0; |
1296 |
pBufferFill = pClient->buffer_fill; |
1297 |
sprintf(szQuery, "GET CHANNEL BUFFER_FILL %s %d\r\n", pszUsageType, iSamplerChannel); |
1298 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) { |
1299 |
pszResult = lscp_client_get_result(pClient); |
1300 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1301 |
while (pszToken && iStream < pClient->iStreamCount) { |
1302 |
if (*pszToken) { |
1303 |
pBufferFill[iStream].stream_id = atol(pszToken); |
1304 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1305 |
if (pszToken == NULL) |
1306 |
break; |
1307 |
pBufferFill[iStream].stream_usage = atol(pszToken); |
1308 |
iStream++; |
1309 |
} |
1310 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1311 |
} |
1312 |
} // Reset the usage, whatever it was before. |
1313 |
else while (iStream < pClient->iStreamCount) |
1314 |
pBufferFill[iStream++].stream_usage = 0; |
1315 |
} |
1316 |
|
1317 |
// Unlock this section down. |
1318 |
lscp_mutex_unlock(pClient->mutex); |
1319 |
|
1320 |
return pBufferFill; |
1321 |
} |
1322 |
|
1323 |
|
1324 |
/** |
1325 |
* Setting audio output type: |
1326 |
* SET CHANNEL AUDIO_OUTPUT_TYPE <sampler-channel> <audio-output-type> |
1327 |
* |
1328 |
* @param pClient Pointer to client instance structure. |
1329 |
* @param iSamplerChannel Sampler channel number. |
1330 |
* @param pszAudioDriver Audio output driver type (e.g. "ALSA" or "JACK"). |
1331 |
* |
1332 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1333 |
*/ |
1334 |
lscp_status_t lscp_set_channel_audio_type ( lscp_client_t *pClient, int iSamplerChannel, const char *pszAudioDriver ) |
1335 |
{ |
1336 |
char szQuery[LSCP_BUFSIZ]; |
1337 |
|
1338 |
if (iSamplerChannel < 0 || pszAudioDriver == NULL) |
1339 |
return LSCP_FAILED; |
1340 |
|
1341 |
sprintf(szQuery, "SET CHANNEL AUDIO_OUTPUT_TYPE %d %s\r\n", iSamplerChannel, pszAudioDriver); |
1342 |
return lscp_client_query(pClient, szQuery); |
1343 |
} |
1344 |
|
1345 |
|
1346 |
/** |
1347 |
* Setting audio output device: |
1348 |
* SET CHANNEL AUDIO_OUTPUT_DEVICE <sampler-channel> <device-id> |
1349 |
* |
1350 |
* @param pClient Pointer to client instance structure. |
1351 |
* @param iSamplerChannel Sampler channel number. |
1352 |
* @param iAudioDevice Audio output device number identifier. |
1353 |
* |
1354 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1355 |
*/ |
1356 |
lscp_status_t lscp_set_channel_audio_device ( lscp_client_t *pClient, int iSamplerChannel, int iAudioDevice ) |
1357 |
{ |
1358 |
char szQuery[LSCP_BUFSIZ]; |
1359 |
|
1360 |
if (iSamplerChannel < 0 || iAudioDevice < 0) |
1361 |
return LSCP_FAILED; |
1362 |
|
1363 |
sprintf(szQuery, "SET CHANNEL AUDIO_OUTPUT_DEVICE %d %d\r\n", iSamplerChannel, iAudioDevice); |
1364 |
return lscp_client_query(pClient, szQuery); |
1365 |
} |
1366 |
|
1367 |
|
1368 |
/** |
1369 |
* Setting audio output channel: |
1370 |
* SET CHANNEL AUDIO_OUTPUT_CHANNEL <sampler-channel> <audio-output-chan> <audio-input-chan> |
1371 |
* |
1372 |
* @param pClient Pointer to client instance structure. |
1373 |
* @param iSamplerChannel Sampler channel number. |
1374 |
* @param iAudioOut Audio output device channel to be routed from. |
1375 |
* @param iAudioIn Audio output device channel to be routed into. |
1376 |
* |
1377 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1378 |
*/ |
1379 |
lscp_status_t lscp_set_channel_audio_channel ( lscp_client_t *pClient, int iSamplerChannel, int iAudioOut, int iAudioIn ) |
1380 |
{ |
1381 |
char szQuery[LSCP_BUFSIZ]; |
1382 |
|
1383 |
if (iSamplerChannel < 0 || iAudioOut < 0 || iAudioIn < 0) |
1384 |
return LSCP_FAILED; |
1385 |
|
1386 |
sprintf(szQuery, "SET CHANNEL AUDIO_OUTPUT_CHANNEL %d %d %d\r\n", iSamplerChannel, iAudioOut, iAudioIn); |
1387 |
return lscp_client_query(pClient, szQuery); |
1388 |
} |
1389 |
|
1390 |
|
1391 |
/** |
1392 |
* Setting MIDI input type: |
1393 |
* SET CHANNEL MIDI_INPUT_TYPE <sampler-channel> <midi-input-type> |
1394 |
* |
1395 |
* @param pClient Pointer to client instance structure. |
1396 |
* @param iSamplerChannel Sampler channel number. |
1397 |
* @param pszMidiDriver MIDI input driver type (e.g. "ALSA"). |
1398 |
* |
1399 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1400 |
*/ |
1401 |
lscp_status_t lscp_set_channel_midi_type ( lscp_client_t *pClient, int iSamplerChannel, const char *pszMidiDriver ) |
1402 |
{ |
1403 |
char szQuery[LSCP_BUFSIZ]; |
1404 |
|
1405 |
if (iSamplerChannel < 0 || pszMidiDriver == NULL) |
1406 |
return LSCP_FAILED; |
1407 |
|
1408 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_TYPE %d %s\r\n", iSamplerChannel, pszMidiDriver); |
1409 |
return lscp_client_query(pClient, szQuery); |
1410 |
} |
1411 |
|
1412 |
|
1413 |
/** |
1414 |
* Setting MIDI input device: |
1415 |
* SET CHANNEL MIDI_INPUT_DEVICE <sampler-channel> <device-id> |
1416 |
* |
1417 |
* @param pClient Pointer to client instance structure. |
1418 |
* @param iSamplerChannel Sampler channel number. |
1419 |
* @param iMidiDevice MIDI input device number identifier. |
1420 |
* |
1421 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1422 |
*/ |
1423 |
lscp_status_t lscp_set_channel_midi_device ( lscp_client_t *pClient, int iSamplerChannel, int iMidiDevice ) |
1424 |
{ |
1425 |
char szQuery[LSCP_BUFSIZ]; |
1426 |
|
1427 |
if (iSamplerChannel < 0 || iMidiDevice < 0) |
1428 |
return LSCP_FAILED; |
1429 |
|
1430 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_DEVICE %d %d\r\n", iSamplerChannel, iMidiDevice); |
1431 |
return lscp_client_query(pClient, szQuery); |
1432 |
} |
1433 |
|
1434 |
|
1435 |
/** |
1436 |
* Setting MIDI input port: |
1437 |
* SET CHANNEL MIDI_INPUT_PORT <sampler-channel> <midi-input-port> |
1438 |
* |
1439 |
* @param pClient Pointer to client instance structure. |
1440 |
* @param iSamplerChannel Sampler channel number. |
1441 |
* @param iMidiPort MIDI input driver virtual port number. |
1442 |
* |
1443 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1444 |
*/ |
1445 |
lscp_status_t lscp_set_channel_midi_port ( lscp_client_t *pClient, int iSamplerChannel, int iMidiPort ) |
1446 |
{ |
1447 |
char szQuery[LSCP_BUFSIZ]; |
1448 |
|
1449 |
if (iSamplerChannel < 0 || iMidiPort < 0) |
1450 |
return LSCP_FAILED; |
1451 |
|
1452 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_PORT %d %d\r\n", iSamplerChannel, iMidiPort); |
1453 |
return lscp_client_query(pClient, szQuery); |
1454 |
} |
1455 |
|
1456 |
|
1457 |
/** |
1458 |
* Setting MIDI input channel: |
1459 |
* SET CHANNEL MIDI_INPUT_CHANNEL <sampler-channel> <midi-input-chan> |
1460 |
* |
1461 |
* @param pClient Pointer to client instance structure. |
1462 |
* @param iSamplerChannel Sampler channel number. |
1463 |
* @param iMidiChannel MIDI channel address number to listen (0-15) or |
1464 |
* @ref LSCP_MIDI_CHANNEL_ALL (16) to listen on all channels. |
1465 |
* |
1466 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1467 |
*/ |
1468 |
lscp_status_t lscp_set_channel_midi_channel ( lscp_client_t *pClient, int iSamplerChannel, int iMidiChannel ) |
1469 |
{ |
1470 |
char szQuery[LSCP_BUFSIZ]; |
1471 |
|
1472 |
if (iSamplerChannel < 0 || iMidiChannel < 0 || iMidiChannel > 16) |
1473 |
return LSCP_FAILED; |
1474 |
|
1475 |
if (iMidiChannel == LSCP_MIDI_CHANNEL_ALL) |
1476 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d ALL\r\n", iSamplerChannel); |
1477 |
else |
1478 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d %d\r\n", iSamplerChannel, iMidiChannel); |
1479 |
return lscp_client_query(pClient, szQuery); |
1480 |
} |
1481 |
|
1482 |
|
1483 |
/** |
1484 |
* Setting MIDI instrument map: |
1485 |
* SET CHANNEL MIDI_INSTRUMENT_MAP <sampler-channel> <midi-map> |
1486 |
* |
1487 |
* @param pClient Pointer to client instance structure. |
1488 |
* @param iSamplerChannel Sampler channel number. |
1489 |
* @param iMidiMap MIDI instrument map number, or either |
1490 |
* @ref LSCP_MIDI_MAP_NONE or |
1491 |
* @ref LSCP_MIDI_MAP_DEFAULT . |
1492 |
* |
1493 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1494 |
*/ |
1495 |
lscp_status_t lscp_set_channel_midi_map ( lscp_client_t *pClient, int iSamplerChannel, int iMidiMap ) |
1496 |
{ |
1497 |
char szQuery[LSCP_BUFSIZ]; |
1498 |
|
1499 |
if (iSamplerChannel < 0) |
1500 |
return LSCP_FAILED; |
1501 |
|
1502 |
sprintf(szQuery, "SET CHANNEL MIDI_INSTRUMENT_MAP %d ", iSamplerChannel); |
1503 |
if (iMidiMap == LSCP_MIDI_MAP_NONE) |
1504 |
strcat(szQuery , "NONE"); |
1505 |
else |
1506 |
if (iMidiMap == LSCP_MIDI_MAP_DEFAULT) |
1507 |
strcat(szQuery , "DEFAULT"); |
1508 |
else |
1509 |
sprintf(szQuery + strlen(szQuery), "%d", iMidiMap); |
1510 |
|
1511 |
strcat(szQuery, "\r\n"); |
1512 |
|
1513 |
return lscp_client_query(pClient, szQuery); |
1514 |
} |
1515 |
|
1516 |
|
1517 |
/** |
1518 |
* Setting channel volume: |
1519 |
* SET CHANNEL VOLUME <sampler-channel> <volume> |
1520 |
* |
1521 |
* @param pClient Pointer to client instance structure. |
1522 |
* @param iSamplerChannel Sampler channel number. |
1523 |
* @param fVolume Sampler channel volume as a positive floating point |
1524 |
* number, where a value less than 1.0 for attenuation, |
1525 |
* and greater than 1.0 for amplification. |
1526 |
* |
1527 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1528 |
*/ |
1529 |
lscp_status_t lscp_set_channel_volume ( lscp_client_t *pClient, int iSamplerChannel, float fVolume ) |
1530 |
{ |
1531 |
char szQuery[LSCP_BUFSIZ]; |
1532 |
|
1533 |
if (iSamplerChannel < 0 || fVolume < 0.0) |
1534 |
return LSCP_FAILED; |
1535 |
|
1536 |
sprintf(szQuery, "SET CHANNEL VOLUME %d %g\r\n", iSamplerChannel, fVolume); |
1537 |
return lscp_client_query(pClient, szQuery); |
1538 |
} |
1539 |
|
1540 |
|
1541 |
/** |
1542 |
* Muting a sampler channel: |
1543 |
* SET CHANNEL MUTE <sampler-channel> <mute> |
1544 |
* |
1545 |
* @param pClient Pointer to client instance structure. |
1546 |
* @param iSamplerChannel Sampler channel number. |
1547 |
* @param iMute Sampler channel mute state as a boolean value, |
1548 |
* either 1 (one) to mute the channel or 0 (zero) |
1549 |
* to unmute the channel. |
1550 |
* |
1551 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1552 |
*/ |
1553 |
lscp_status_t lscp_set_channel_mute ( lscp_client_t *pClient, int iSamplerChannel, int iMute ) |
1554 |
{ |
1555 |
char szQuery[LSCP_BUFSIZ]; |
1556 |
|
1557 |
if (iSamplerChannel < 0 || iMute < 0 || iMute > 1) |
1558 |
return LSCP_FAILED; |
1559 |
|
1560 |
sprintf(szQuery, "SET CHANNEL MUTE %d %d\r\n", iSamplerChannel, iMute); |
1561 |
return lscp_client_query(pClient, szQuery); |
1562 |
} |
1563 |
|
1564 |
|
1565 |
/** |
1566 |
* Soloing a sampler channel: |
1567 |
* SET CHANNEL SOLO <sampler-channel> <solo> |
1568 |
* |
1569 |
* @param pClient Pointer to client instance structure. |
1570 |
* @param iSamplerChannel Sampler channel number. |
1571 |
* @param iSolo Sampler channel solo state as a boolean value, |
1572 |
* either 1 (one) to solo the channel or 0 (zero) |
1573 |
* to unsolo the channel. |
1574 |
* |
1575 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1576 |
*/ |
1577 |
lscp_status_t lscp_set_channel_solo ( lscp_client_t *pClient, int iSamplerChannel, int iSolo ) |
1578 |
{ |
1579 |
char szQuery[LSCP_BUFSIZ]; |
1580 |
|
1581 |
if (iSamplerChannel < 0 || iSolo < 0 || iSolo > 1) |
1582 |
return LSCP_FAILED; |
1583 |
|
1584 |
sprintf(szQuery, "SET CHANNEL SOLO %d %d\r\n", iSamplerChannel, iSolo); |
1585 |
return lscp_client_query(pClient, szQuery); |
1586 |
} |
1587 |
|
1588 |
|
1589 |
/** |
1590 |
* Resetting a sampler channel: |
1591 |
* RESET CHANNEL <sampler-channel> |
1592 |
* |
1593 |
* @param pClient Pointer to client instance structure. |
1594 |
* @param iSamplerChannel Sampler channel number. |
1595 |
* |
1596 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1597 |
*/ |
1598 |
lscp_status_t lscp_reset_channel ( lscp_client_t *pClient, int iSamplerChannel ) |
1599 |
{ |
1600 |
char szQuery[LSCP_BUFSIZ]; |
1601 |
|
1602 |
if (iSamplerChannel < 0) |
1603 |
return LSCP_FAILED; |
1604 |
|
1605 |
sprintf(szQuery, "RESET CHANNEL %d\r\n", iSamplerChannel); |
1606 |
return lscp_client_query(pClient, szQuery); |
1607 |
} |
1608 |
|
1609 |
|
1610 |
/** |
1611 |
* Resetting the sampler: |
1612 |
* RESET |
1613 |
* |
1614 |
* @param pClient Pointer to client instance structure. |
1615 |
* |
1616 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1617 |
*/ |
1618 |
lscp_status_t lscp_reset_sampler ( lscp_client_t *pClient ) |
1619 |
{ |
1620 |
return lscp_client_query(pClient, "RESET\r\n"); |
1621 |
} |
1622 |
|
1623 |
|
1624 |
/** |
1625 |
* Getting information about the server. |
1626 |
* GET SERVER INFO |
1627 |
* |
1628 |
* @param pClient Pointer to client instance structure. |
1629 |
* |
1630 |
* @returns A pointer to a @ref lscp_server_info_t structure, with all the |
1631 |
* information of the current connected server, or NULL in case of failure. |
1632 |
*/ |
1633 |
lscp_server_info_t *lscp_get_server_info ( lscp_client_t *pClient ) |
1634 |
{ |
1635 |
lscp_server_info_t *pServerInfo; |
1636 |
const char *pszResult; |
1637 |
const char *pszSeps = ":"; |
1638 |
const char *pszCrlf = "\r\n"; |
1639 |
char *pszToken; |
1640 |
char *pch; |
1641 |
|
1642 |
if (pClient == NULL) |
1643 |
return NULL; |
1644 |
|
1645 |
// Lock this section up. |
1646 |
lscp_mutex_lock(pClient->mutex); |
1647 |
|
1648 |
pServerInfo = &(pClient->server_info); |
1649 |
lscp_server_info_reset(pServerInfo); |
1650 |
|
1651 |
if (lscp_client_call(pClient, "GET SERVER INFO\r\n", 1) == LSCP_OK) { |
1652 |
pszResult = lscp_client_get_result(pClient); |
1653 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1654 |
while (pszToken) { |
1655 |
if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
1656 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1657 |
if (pszToken) |
1658 |
lscp_unquote_dup(&(pServerInfo->description), &pszToken); |
1659 |
} |
1660 |
else if (strcasecmp(pszToken, "VERSION") == 0) { |
1661 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1662 |
if (pszToken) |
1663 |
lscp_unquote_dup(&(pServerInfo->version), &pszToken); |
1664 |
} |
1665 |
else if (strcasecmp(pszToken, "PROTOCOL_VERSION") == 0) { |
1666 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1667 |
if (pszToken) |
1668 |
lscp_unquote_dup(&(pServerInfo->protocol_version), &pszToken); |
1669 |
} |
1670 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1671 |
} |
1672 |
} |
1673 |
else pServerInfo = NULL; |
1674 |
|
1675 |
// Unlock this section down. |
1676 |
lscp_mutex_unlock(pClient->mutex); |
1677 |
|
1678 |
return pServerInfo; |
1679 |
} |
1680 |
|
1681 |
|
1682 |
/** |
1683 |
* Current total number of active voices: |
1684 |
* GET TOTAL_VOICE_COUNT |
1685 |
* |
1686 |
* @param pClient Pointer to client instance structure. |
1687 |
* |
1688 |
* @returns The total number of voices currently active, |
1689 |
* -1 in case of failure. |
1690 |
*/ |
1691 |
int lscp_get_total_voice_count ( lscp_client_t *pClient ) |
1692 |
{ |
1693 |
int iVoiceCount = -1; |
1694 |
|
1695 |
if (pClient == NULL) |
1696 |
return -1; |
1697 |
|
1698 |
// Lock this section up. |
1699 |
lscp_mutex_lock(pClient->mutex); |
1700 |
|
1701 |
if (lscp_client_call(pClient, "GET TOTAL_VOICE_COUNT\r\n", 0) == LSCP_OK) |
1702 |
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
1703 |
|
1704 |
// Unlock this section down. |
1705 |
lscp_mutex_unlock(pClient->mutex); |
1706 |
|
1707 |
return iVoiceCount; |
1708 |
} |
1709 |
|
1710 |
|
1711 |
/** |
1712 |
* Maximum amount of active voices: |
1713 |
* GET TOTAL_VOICE_COUNT_MAX |
1714 |
* |
1715 |
* @param pClient Pointer to client instance structure. |
1716 |
* |
1717 |
* @returns The maximum amount of voices currently active, |
1718 |
* -1 in case of failure. |
1719 |
*/ |
1720 |
int lscp_get_total_voice_count_max ( lscp_client_t *pClient ) |
1721 |
{ |
1722 |
int iVoiceCount = -1; |
1723 |
|
1724 |
if (pClient == NULL) |
1725 |
return -1; |
1726 |
|
1727 |
// Lock this section up. |
1728 |
lscp_mutex_lock(pClient->mutex); |
1729 |
|
1730 |
if (lscp_client_call(pClient, "GET TOTAL_VOICE_COUNT_MAX\r\n", 0) == LSCP_OK) |
1731 |
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
1732 |
|
1733 |
// Unlock this section down. |
1734 |
lscp_mutex_unlock(pClient->mutex); |
1735 |
|
1736 |
return iVoiceCount; |
1737 |
} |
1738 |
|
1739 |
|
1740 |
/** |
1741 |
* Create a new MIDI instrument map: |
1742 |
* ADD MIDI_INSTRUMENT_MAP [<name>] |
1743 |
* |
1744 |
* @param pClient Pointer to client instance structure. |
1745 |
* @param pszMapName MIDI instrument map name (optional) |
1746 |
* |
1747 |
* @returns The new MIDI instrument map number identifier, |
1748 |
* or -1 in case of failure. |
1749 |
*/ |
1750 |
int lscp_add_midi_instrument_map ( lscp_client_t *pClient, const char *pszMapName ) |
1751 |
{ |
1752 |
int iMidiMap = -1; |
1753 |
char szQuery[LSCP_BUFSIZ]; |
1754 |
|
1755 |
if (pClient == NULL) |
1756 |
return -1; |
1757 |
|
1758 |
// Lock this section up. |
1759 |
lscp_mutex_lock(pClient->mutex); |
1760 |
|
1761 |
strcpy(szQuery, "ADD MIDI_INSTRUMENT_MAP"); |
1762 |
|
1763 |
if (pszMapName) |
1764 |
sprintf(szQuery + strlen(szQuery), " '%s'", pszMapName); |
1765 |
|
1766 |
strcat(szQuery, "\r\n"); |
1767 |
|
1768 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) |
1769 |
iMidiMap = atoi(lscp_client_get_result(pClient)); |
1770 |
|
1771 |
// Unlock this section down. |
1772 |
lscp_mutex_unlock(pClient->mutex); |
1773 |
|
1774 |
return iMidiMap; |
1775 |
} |
1776 |
|
1777 |
|
1778 |
/** |
1779 |
* Delete one particular or all MIDI instrument maps: |
1780 |
* REMOVE MIDI_INSTRUMENT_MAP <midi-map> |
1781 |
* |
1782 |
* @param pClient Pointer to client instance structure. |
1783 |
* @param iMidiMap MIDI instrument map number. |
1784 |
* |
1785 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1786 |
*/ |
1787 |
lscp_status_t lscp_remove_midi_instrument_map ( lscp_client_t *pClient, int iMidiMap ) |
1788 |
{ |
1789 |
char szQuery[LSCP_BUFSIZ]; |
1790 |
|
1791 |
if (iMidiMap < 0) |
1792 |
return LSCP_FAILED; |
1793 |
|
1794 |
sprintf(szQuery, "REMOVE MIDI_INSTRUMENT_MAP %d\r\n", iMidiMap); |
1795 |
|
1796 |
return lscp_client_query(pClient, szQuery); |
1797 |
} |
1798 |
|
1799 |
|
1800 |
/** |
1801 |
* Get amount of existing MIDI instrument maps: |
1802 |
* GET MIDI_INSTRUMENT_MAPS |
1803 |
* |
1804 |
* @param pClient Pointer to client instance structure. |
1805 |
* |
1806 |
* @returns The current total number of MIDI instrument maps |
1807 |
* on success, -1 otherwise. |
1808 |
*/ |
1809 |
int lscp_get_midi_instrument_maps ( lscp_client_t *pClient ) |
1810 |
{ |
1811 |
int iMidiMaps = -1; |
1812 |
|
1813 |
if (pClient == NULL) |
1814 |
return -1; |
1815 |
|
1816 |
// Lock this section up. |
1817 |
lscp_mutex_lock(pClient->mutex); |
1818 |
|
1819 |
if (lscp_client_call(pClient, "GET MIDI_INSTRUMENT_MAPS\r\n", 0) == LSCP_OK) |
1820 |
iMidiMaps = atoi(lscp_client_get_result(pClient)); |
1821 |
|
1822 |
// Unlock this section doen. |
1823 |
lscp_mutex_unlock(pClient->mutex); |
1824 |
|
1825 |
return iMidiMaps; |
1826 |
} |
1827 |
|
1828 |
|
1829 |
/** |
1830 |
* Getting all created MIDI instrument maps: |
1831 |
* LIST MIDI_INSTRUMENT_MAPS |
1832 |
* |
1833 |
* @param pClient Pointer to client instance structure. |
1834 |
* |
1835 |
* @returns An array of the MIDI instrument map identifiers as positive |
1836 |
* integers, terminated with -1 on success, NULL otherwise. |
1837 |
*/ |
1838 |
int *lscp_list_midi_instrument_maps ( lscp_client_t *pClient ) |
1839 |
{ |
1840 |
const char *pszSeps = ","; |
1841 |
|
1842 |
if (pClient == NULL) |
1843 |
return NULL; |
1844 |
|
1845 |
// Lock this section up. |
1846 |
lscp_mutex_lock(pClient->mutex); |
1847 |
|
1848 |
if (pClient->midi_maps) { |
1849 |
lscp_isplit_destroy(pClient->midi_maps); |
1850 |
pClient->midi_maps = NULL; |
1851 |
} |
1852 |
|
1853 |
if (lscp_client_call(pClient, "LIST MIDI_INSTRUMENT_MAPS\r\n", 0) == LSCP_OK) |
1854 |
pClient->midi_maps = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
1855 |
|
1856 |
// Unlock this section down. |
1857 |
lscp_mutex_unlock(pClient->mutex); |
1858 |
|
1859 |
return pClient->midi_maps; |
1860 |
} |
1861 |
|
1862 |
|
1863 |
/** |
1864 |
* Getting a MIDI instrument map name: |
1865 |
* GET MIDI_INSTRUMENT_MAP INFO <midi-map> |
1866 |
* |
1867 |
* @param pClient Pointer to client instance structure. |
1868 |
* @param iMidiMap MIDI instrument map number. |
1869 |
* |
1870 |
* @returns The MIDI instrument map name on success, NULL on failure. |
1871 |
*/ |
1872 |
const char *lscp_get_midi_instrument_map_name ( lscp_client_t *pClient, int iMidiMap ) |
1873 |
{ |
1874 |
char szQuery[LSCP_BUFSIZ]; |
1875 |
const char *pszResult; |
1876 |
const char *pszSeps = ":"; |
1877 |
const char *pszCrlf = "\r\n"; |
1878 |
char *pszToken; |
1879 |
char *pch; |
1880 |
|
1881 |
if (pClient == NULL) |
1882 |
return NULL; |
1883 |
if (iMidiMap < 0) |
1884 |
return NULL; |
1885 |
|
1886 |
// Lock this section up. |
1887 |
lscp_mutex_lock(pClient->mutex); |
1888 |
|
1889 |
if (pClient->midi_map_name) { |
1890 |
free(pClient->midi_map_name); |
1891 |
pClient->midi_map_name = NULL; |
1892 |
} |
1893 |
|
1894 |
sprintf(szQuery, "GET MIDI_INSTRUMENT_MAP INFO %d\r\n", iMidiMap); |
1895 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) { |
1896 |
pszResult = lscp_client_get_result(pClient); |
1897 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1898 |
while (pszToken) { |
1899 |
if (strcasecmp(pszToken, "NAME") == 0) { |
1900 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1901 |
if (pszToken) |
1902 |
lscp_unquote_dup(&(pClient->midi_map_name), &pszToken); |
1903 |
} |
1904 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1905 |
} |
1906 |
} |
1907 |
|
1908 |
// Unlock this section down. |
1909 |
lscp_mutex_unlock(pClient->mutex); |
1910 |
|
1911 |
return pClient->midi_map_name; |
1912 |
} |
1913 |
|
1914 |
|
1915 |
/** |
1916 |
* Renaming a MIDI instrument map: |
1917 |
* SET MIDI_INSTRUMENT_MAP NAME <midi-map> <map-name> |
1918 |
* |
1919 |
* @param pClient Pointer to client instance structure. |
1920 |
* @param iMidiMap MIDI instrument map number. |
1921 |
* @param pszMapName MIDI instrument map name. |
1922 |
* |
1923 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1924 |
*/ |
1925 |
lscp_status_t lscp_set_midi_instrument_map_name ( lscp_client_t *pClient, int iMidiMap, const char *pszMapName ) |
1926 |
{ |
1927 |
char szQuery[LSCP_BUFSIZ]; |
1928 |
|
1929 |
if (iMidiMap < 0) |
1930 |
return LSCP_FAILED; |
1931 |
if (pszMapName == NULL) |
1932 |
return LSCP_FAILED; |
1933 |
|
1934 |
sprintf(szQuery, "SET MIDI_INSTRUMENT_MAP NAME %d '%s'\r\n", |
1935 |
iMidiMap, pszMapName); |
1936 |
|
1937 |
return lscp_client_query(pClient, szQuery); |
1938 |
} |
1939 |
|
1940 |
|
1941 |
/** |
1942 |
* Create or replace a MIDI instrumnet map entry: |
1943 |
* MAP MIDI_INSTRUMENT <midi-map> <midi-bank> <midi-prog> |
1944 |
* <engine-name> <filename> <instr-index> <volume> [<load-mode> [<name>]} |
1945 |
* |
1946 |
* @param pClient Pointer to client instance structure. |
1947 |
* @param pMidiInstr MIDI instrument bank and program parameter key. |
1948 |
* @param pszEngineName Engine name. |
1949 |
* @param pszFileName Instrument file name. |
1950 |
* @param iInstrIndex Instrument index number. |
1951 |
* @param fVolume Reflects the master volume of the instrument as |
1952 |
* a positive floating point number, where a value |
1953 |
* less than 1.0 for attenuation, and greater than |
1954 |
* 1.0 for amplification. |
1955 |
* @param load_mode Instrument load life-time strategy, either |
1956 |
* @ref LSCP_LOAD_DEFAULT, or |
1957 |
* @ref LSCP_LOAD_ON_DEMAND, or |
1958 |
* @ref LSCP_LOAD_ON_DEMAND_HOLD, or |
1959 |
* @ref LSCP_LOAD_PERSISTENT. |
1960 |
* @param pszName Instrument custom name for the map entry (optional). |
1961 |
* |
1962 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1963 |
*/ |
1964 |
lscp_status_t lscp_map_midi_instrument ( lscp_client_t *pClient, lscp_midi_instrument_t *pMidiInstr, const char *pszEngineName, const char *pszFileName, int iInstrIndex, float fVolume, lscp_load_mode_t load_mode, const char *pszName ) |
1965 |
{ |
1966 |
char szQuery[LSCP_BUFSIZ]; |
1967 |
|
1968 |
if (pMidiInstr->map < 0) |
1969 |
return LSCP_FAILED; |
1970 |
if (pMidiInstr->bank < 0 || pMidiInstr->bank > 16383) |
1971 |
return LSCP_FAILED; |
1972 |
if (pMidiInstr->prog < 0 || pMidiInstr->prog > 127) |
1973 |
return LSCP_FAILED; |
1974 |
if (pszEngineName == NULL || pszFileName == NULL) |
1975 |
return LSCP_FAILED; |
1976 |
|
1977 |
if (fVolume < 0.0f) |
1978 |
fVolume = 1.0f; |
1979 |
|
1980 |
sprintf(szQuery, "MAP MIDI_INSTRUMENT %d %d %d %s '%s' %d %g", |
1981 |
pMidiInstr->map, pMidiInstr->bank, pMidiInstr->prog, |
1982 |
pszEngineName, pszFileName, iInstrIndex, fVolume); |
1983 |
|
1984 |
switch (load_mode) { |
1985 |
case LSCP_LOAD_PERSISTENT: |
1986 |
strcat(szQuery, " PERSISTENT"); |
1987 |
break; |
1988 |
case LSCP_LOAD_ON_DEMAND_HOLD: |
1989 |
strcat(szQuery, " ON_DEMAND_HOLD"); |
1990 |
break; |
1991 |
case LSCP_LOAD_ON_DEMAND: |
1992 |
strcat(szQuery, " ON_DEMAND"); |
1993 |
break; |
1994 |
case LSCP_LOAD_DEFAULT: |
1995 |
default: |
1996 |
break; |
1997 |
} |
1998 |
|
1999 |
if (pszName) |
2000 |
sprintf(szQuery + strlen(szQuery), " '%s'", pszName); |
2001 |
|
2002 |
strcat(szQuery, "\r\n"); |
2003 |
|
2004 |
return lscp_client_query(pClient, szQuery); |
2005 |
} |
2006 |
|
2007 |
|
2008 |
/** |
2009 |
* Remove an entry from the MIDI instrument map: |
2010 |
* UNMAP MIDI_INSTRUMENT <midi-map> <midi-bank> <midi-prog> |
2011 |
* |
2012 |
* @param pClient Pointer to client instance structure. |
2013 |
* @param pMidiInstr MIDI instrument bank and program parameter key. |
2014 |
* |
2015 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
2016 |
*/ |
2017 |
lscp_status_t lscp_unmap_midi_instrument ( lscp_client_t *pClient, lscp_midi_instrument_t *pMidiInstr ) |
2018 |
{ |
2019 |
char szQuery[LSCP_BUFSIZ]; |
2020 |
|
2021 |
if (pMidiInstr->map < 0) |
2022 |
return LSCP_FAILED; |
2023 |
if (pMidiInstr->bank < 0 || pMidiInstr->bank > 16383) |
2024 |
return LSCP_FAILED; |
2025 |
if (pMidiInstr->prog < 0 || pMidiInstr->prog > 127) |
2026 |
return LSCP_FAILED; |
2027 |
|
2028 |
sprintf(szQuery, "UNMAP MIDI_INSTRUMENT %d %d %d\r\n", |
2029 |
pMidiInstr->map, pMidiInstr->bank, pMidiInstr->prog); |
2030 |
|
2031 |
return lscp_client_query(pClient, szQuery); |
2032 |
} |
2033 |
|
2034 |
|
2035 |
/** |
2036 |
* Get the total count of MIDI instrument map entries: |
2037 |
* GET MIDI_INSTRUMENTS ALL|<midi-map> |
2038 |
* |
2039 |
* @param pClient Pointer to client instance structure. |
2040 |
* @param iMidiMap MIDI instrument map number, or @ref LSCP_MIDI_MAP_ALL . |
2041 |
* |
2042 |
* @returns The current total number of MIDI instrument map entries |
2043 |
* on success, -1 otherwise. |
2044 |
*/ |
2045 |
int lscp_get_midi_instruments ( lscp_client_t *pClient, int iMidiMap ) |
2046 |
{ |
2047 |
int iInstruments = -1; |
2048 |
char szQuery[LSCP_BUFSIZ]; |
2049 |
|
2050 |
if (pClient == NULL) |
2051 |
return -1; |
2052 |
|
2053 |
// Lock this section up. |
2054 |
lscp_mutex_lock(pClient->mutex); |
2055 |
|
2056 |
strcpy(szQuery, "GET MIDI_INSTRUMENTS "); |
2057 |
|
2058 |
if (iMidiMap < 0) |
2059 |
strcat(szQuery, "ALL"); |
2060 |
else |
2061 |
sprintf(szQuery + strlen(szQuery), "%d", iMidiMap); |
2062 |
|
2063 |
strcat(szQuery, "\r\n"); |
2064 |
|
2065 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) |
2066 |
iInstruments = atoi(lscp_client_get_result(pClient)); |
2067 |
|
2068 |
// Unlock this section down. |
2069 |
lscp_mutex_unlock(pClient->mutex); |
2070 |
|
2071 |
return iInstruments; |
2072 |
} |
2073 |
|
2074 |
|
2075 |
/** |
2076 |
* Getting indeces of all MIDI instrument map entries: |
2077 |
* LIST MIDI_INSTRUMENTS ALL|<midi-map> |
2078 |
* |
2079 |
* @param pClient Pointer to client instance structure. |
2080 |
* @param iMidiMap MIDI instrument map number, or @ref LSCP_MIDI_MAP_ALL . |
2081 |
* |
2082 |
* @returns An array of @ref lscp_midi_instrument_t, terminated with the |
2083 |
* {-1,-1,-1} triplet, NULL otherwise. |
2084 |
*/ |
2085 |
lscp_midi_instrument_t *lscp_list_midi_instruments ( lscp_client_t *pClient, int iMidiMap ) |
2086 |
{ |
2087 |
char szQuery[LSCP_BUFSIZ]; |
2088 |
|
2089 |
if (pClient == NULL) |
2090 |
return NULL; |
2091 |
|
2092 |
// Lock this section up. |
2093 |
lscp_mutex_lock(pClient->mutex); |
2094 |
|
2095 |
if (pClient->midi_instruments) { |
2096 |
lscp_midi_instruments_destroy(pClient->midi_instruments); |
2097 |
pClient->midi_instruments = NULL; |
2098 |
} |
2099 |
|
2100 |
strcpy(szQuery, "LIST MIDI_INSTRUMENTS "); |
2101 |
|
2102 |
if (iMidiMap < 0) |
2103 |
strcat(szQuery, "ALL"); |
2104 |
else |
2105 |
sprintf(szQuery + strlen(szQuery), "%d", iMidiMap); |
2106 |
|
2107 |
strcat(szQuery, "\r\n"); |
2108 |
|
2109 |
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) |
2110 |
pClient->midi_instruments = lscp_midi_instruments_create(lscp_client_get_result(pClient)); |
2111 |
|
2112 |
// Unlock this section down. |
2113 |
lscp_mutex_unlock(pClient->mutex); |
2114 |
|
2115 |
return pClient->midi_instruments; |
2116 |
} |
2117 |
|
2118 |
|
2119 |
/** |
2120 |
* Getting information about a MIDI instrument map entry: |
2121 |
* GET MIDI_INSTRUMENT INFO <midi-map> <midi-bank> <midi-prog> |
2122 |
* |
2123 |
* @param pClient Pointer to client instance structure. |
2124 |
* @param pMidiInstr MIDI instrument bank and program parameter key. |
2125 |
* |
2126 |
* @returns A pointer to a @ref lscp_midi_instrument_info_t structure, |
2127 |
* with all the information of the given MIDI instrument map entry, |
2128 |
* or NULL in case of failure. |
2129 |
*/ |
2130 |
lscp_midi_instrument_info_t *lscp_get_midi_instrument_info ( lscp_client_t *pClient, lscp_midi_instrument_t *pMidiInstr ) |
2131 |
{ |
2132 |
lscp_midi_instrument_info_t *pInstrInfo; |
2133 |
char szQuery[LSCP_BUFSIZ]; |
2134 |
const char *pszResult; |
2135 |
const char *pszSeps = ":"; |
2136 |
const char *pszCrlf = "\r\n"; |
2137 |
char *pszToken; |
2138 |
char *pch; |
2139 |
|
2140 |
if (pClient == NULL) |
2141 |
return NULL; |
2142 |
if (pMidiInstr->map < 0) |
2143 |
return NULL; |
2144 |
if (pMidiInstr->bank < 0 || pMidiInstr->bank > 16383) |
2145 |
return NULL; |
2146 |
if (pMidiInstr->prog < 0 || pMidiInstr->prog > 127) |
2147 |
return NULL; |
2148 |
|
2149 |
// Lock this section up. |
2150 |
lscp_mutex_lock(pClient->mutex); |
2151 |
|
2152 |
pInstrInfo = &(pClient->midi_instrument_info); |
2153 |
lscp_midi_instrument_info_reset(pInstrInfo); |
2154 |
|
2155 |
sprintf(szQuery, "GET MIDI_INSTRUMENT INFO %d %d %d\r\n", |
2156 |
pMidiInstr->map, pMidiInstr->bank, pMidiInstr->prog); |
2157 |
if (lscp_client_call(pClient, szQuery, 1) == LSCP_OK) { |
2158 |
pszResult = lscp_client_get_result(pClient); |
2159 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
2160 |
while (pszToken) { |
2161 |
if (strcasecmp(pszToken, "NAME") == 0) { |
2162 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
2163 |
if (pszToken) |
2164 |
lscp_unquote_dup(&(pInstrInfo->name), &pszToken); |
2165 |
} |
2166 |
else if (strcasecmp(pszToken, "ENGINE_NAME") == 0) { |
2167 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
2168 |
if (pszToken) |
2169 |
lscp_unquote_dup(&(pInstrInfo->engine_name), &pszToken); |
2170 |
} |
2171 |
else if (strcasecmp(pszToken, "INSTRUMENT_FILE") == 0) { |
2172 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
2173 |
if (pszToken) |
2174 |
lscp_unquote_dup(&(pInstrInfo->instrument_file), &pszToken); |
2175 |
} |
2176 |
else if (strcasecmp(pszToken, "INSTRUMENT_NR") == 0) { |
2177 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
2178 |
if (pszToken) |
2179 |
pInstrInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
2180 |
} |
2181 |
else if (strcasecmp(pszToken, "INSTRUMENT_NAME") == 0) { |
2182 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
2183 |
if (pszToken) |
2184 |
lscp_unquote_dup(&(pInstrInfo->instrument_name), &pszToken); |
2185 |
} |
2186 |
else if (strcasecmp(pszToken, "LOAD_MODE") == 0) { |
2187 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
2188 |
if (pszToken) { |
2189 |
pszToken = lscp_ltrim(pszToken); |
2190 |
if (strcasecmp(pszToken, "ON_DEMAND") == 0) |
2191 |
pInstrInfo->load_mode = LSCP_LOAD_ON_DEMAND; |
2192 |
else |
2193 |
if (strcasecmp(pszToken, "ON_DEMAND_HOLD") == 0) |
2194 |
pInstrInfo->load_mode = LSCP_LOAD_ON_DEMAND_HOLD; |
2195 |
else |
2196 |
if (strcasecmp(pszToken, "PERSISTENT") == 0) |
2197 |
pInstrInfo->load_mode = LSCP_LOAD_PERSISTENT; |
2198 |
else |
2199 |
pInstrInfo->load_mode = LSCP_LOAD_DEFAULT; |
2200 |
} |
2201 |
} |
2202 |
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
2203 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
2204 |
if (pszToken) |
2205 |
pInstrInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
2206 |
} |
2207 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
2208 |
} |
2209 |
} |
2210 |
else pInstrInfo = NULL; |
2211 |
|
2212 |
// Unlock this section down. |
2213 |
lscp_mutex_unlock(pClient->mutex); |
2214 |
|
2215 |
return pInstrInfo; |
2216 |
} |
2217 |
|
2218 |
|
2219 |
/** |
2220 |
* Clear the MIDI instrumnet map: |
2221 |
* CLEAR MIDI_INSTRUMENTS ALL|<midi-map> |
2222 |
* |
2223 |
* @param pClient Pointer to client instance structure. |
2224 |
* @param iMidiMap MIDI instrument map number, or @ref LSCP_MIDI_MAP_ALL . |
2225 |
* |
2226 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
2227 |
*/ |
2228 |
lscp_status_t lscp_clear_midi_instruments ( lscp_client_t *pClient, int iMidiMap ) |
2229 |
{ |
2230 |
char szQuery[LSCP_BUFSIZ]; |
2231 |
|
2232 |
strcpy(szQuery, "CLEAR MIDI_INSTRUMENTS "); |
2233 |
|
2234 |
if (iMidiMap < 0) |
2235 |
strcat(szQuery, "ALL"); |
2236 |
else |
2237 |
sprintf(szQuery + strlen(szQuery), "%d", iMidiMap); |
2238 |
|
2239 |
strcat(szQuery, "\r\n"); |
2240 |
|
2241 |
return lscp_client_query(pClient, szQuery); |
2242 |
} |
2243 |
|
2244 |
|
2245 |
// end of client.c |