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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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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU 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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#include "common.h" |
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// Default timeout value (in milliseconds). |
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#define LSCP_TIMEOUT_MSECS 500 |
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// Local prototypes. |
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static void _lscp_client_evt_proc (void *pvClient); |
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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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// Event service (datagram oriented). |
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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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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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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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#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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while (pClient->evt.iState) { |
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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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// 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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// 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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// Finally, always signal the event. |
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lscp_cond_signal(pClient->cond); |
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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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// Event subscription helpers. |
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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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// 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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#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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#ifdef DEBUG |
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lscp_socket_getopts("_lscp_client_evt_connect:", sock); |
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#endif |
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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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// 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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// Set our socket agent struct... |
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lscp_socket_agent_init(&(pClient->evt), sock, &addr, cAddr); |
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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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// 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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if (pClient == NULL) |
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return LSCP_FAILED; |
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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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// 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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// Wait on response. |
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lscp_cond_wait(pClient->cond, pClient->mutex); |
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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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return LSCP_OK; |
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} |
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//------------------------------------------------------------------------- |
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// Client versioning teller fuunction. |
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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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/** Retrieve the current client library version string. */ |
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const char* lscp_client_version (void) { return LSCP_VERSION; } |
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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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// Client socket functions. |
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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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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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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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// Allocate client descriptor... |
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pClient = (lscp_client_t *) malloc(sizeof(lscp_client_t)); |
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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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pClient->pfnCallback = pfnCallback; |
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pClient->pvData = pvData; |
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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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// Prepare the command 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_create: cmd: socket"); |
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free(pClient); |
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return NULL; |
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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_create: cmd: setsockopt(SO_DONTLINGER)"); |
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#endif |
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#ifdef DEBUG |
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lscp_socket_getopts("lscp_client_create: cmd", sock); |
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#endif |
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cAddr = sizeof(struct sockaddr_in); |
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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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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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} |
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// Initialize the command socket agent struct... |
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lscp_socket_agent_init(&(pClient->cmd), sock, &addr, cAddr); |
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#ifdef DEBUG |
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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)); |
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#endif |
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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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lscp_driver_info_init(&(pClient->audio_driver_info)); |
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lscp_driver_info_init(&(pClient->midi_driver_info)); |
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lscp_device_info_init(&(pClient->audio_device_info)); |
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lscp_device_info_init(&(pClient->midi_device_info)); |
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lscp_param_info_init(&(pClient->audio_param_info)); |
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lscp_param_info_init(&(pClient->midi_param_info)); |
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lscp_device_port_info_init(&(pClient->audio_channel_info)); |
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lscp_device_port_info_init(&(pClient->midi_port_info)); |
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lscp_param_info_init(&(pClient->audio_channel_param_info)); |
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lscp_param_info_init(&(pClient->midi_port_param_info)); |
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lscp_server_info_init(&(pClient->server_info)); |
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lscp_engine_info_init(&(pClient->engine_info)); |
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lscp_channel_info_init(&(pClient->channel_info)); |
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lscp_midi_instrument_info_init(&(pClient->midi_instrument_info)); |
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// Initialize error stuff. |
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pClient->pszResult = NULL; |
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pClient->iErrno = -1; |
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// Stream usage stuff. |
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pClient->buffer_fill = NULL; |
350 |
|
|
pClient->iStreamCount = 0; |
351 |
|
|
// Default timeout value. |
352 |
|
|
pClient->iTimeout = LSCP_TIMEOUT_MSECS; |
353 |
capela |
626 |
pClient->iTimeoutCount = 0; |
354 |
capela |
107 |
|
355 |
capela |
952 |
// Initialize the transaction mutex. |
356 |
|
|
lscp_mutex_init(pClient->mutex); |
357 |
|
|
lscp_cond_init(pClient->cond); |
358 |
capela |
107 |
|
359 |
capela |
952 |
// Finally we've some success... |
360 |
|
|
return pClient; |
361 |
capela |
107 |
} |
362 |
|
|
|
363 |
|
|
|
364 |
|
|
/** |
365 |
|
|
* Wait for a client instance to terminate graciously. |
366 |
|
|
* |
367 |
|
|
* @param pClient Pointer to client instance structure. |
368 |
|
|
*/ |
369 |
|
|
lscp_status_t lscp_client_join ( lscp_client_t *pClient ) |
370 |
|
|
{ |
371 |
capela |
952 |
if (pClient == NULL) |
372 |
|
|
return LSCP_FAILED; |
373 |
capela |
107 |
|
374 |
|
|
#ifdef DEBUG |
375 |
capela |
952 |
fprintf(stderr, "lscp_client_join: pClient=%p.\n", pClient); |
376 |
capela |
107 |
#endif |
377 |
|
|
|
378 |
capela |
132 |
// lscp_socket_agent_join(&(pClient->evt)); |
379 |
capela |
952 |
lscp_socket_agent_join(&(pClient->cmd)); |
380 |
capela |
107 |
|
381 |
capela |
952 |
return LSCP_OK; |
382 |
capela |
107 |
} |
383 |
|
|
|
384 |
|
|
|
385 |
|
|
/** |
386 |
|
|
* Terminate and destroy a client instance. |
387 |
|
|
* |
388 |
|
|
* @param pClient Pointer to client instance structure. |
389 |
|
|
* |
390 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
391 |
|
|
*/ |
392 |
|
|
lscp_status_t lscp_client_destroy ( lscp_client_t *pClient ) |
393 |
|
|
{ |
394 |
capela |
952 |
if (pClient == NULL) |
395 |
|
|
return LSCP_FAILED; |
396 |
capela |
107 |
|
397 |
|
|
#ifdef DEBUG |
398 |
capela |
952 |
fprintf(stderr, "lscp_client_destroy: pClient=%p.\n", pClient); |
399 |
capela |
107 |
#endif |
400 |
|
|
|
401 |
capela |
952 |
// Lock this section up. |
402 |
|
|
lscp_mutex_lock(pClient->mutex); |
403 |
capela |
562 |
|
404 |
capela |
952 |
// Free up all cached members. |
405 |
|
|
lscp_midi_instrument_info_free(&(pClient->midi_instrument_info)); |
406 |
|
|
lscp_channel_info_free(&(pClient->channel_info)); |
407 |
|
|
lscp_engine_info_free(&(pClient->engine_info)); |
408 |
|
|
lscp_server_info_free(&(pClient->server_info)); |
409 |
|
|
lscp_param_info_free(&(pClient->midi_port_param_info)); |
410 |
|
|
lscp_param_info_free(&(pClient->audio_channel_param_info)); |
411 |
|
|
lscp_device_port_info_free(&(pClient->midi_port_info)); |
412 |
|
|
lscp_device_port_info_free(&(pClient->audio_channel_info)); |
413 |
|
|
lscp_param_info_free(&(pClient->midi_param_info)); |
414 |
|
|
lscp_param_info_free(&(pClient->audio_param_info)); |
415 |
|
|
lscp_device_info_free(&(pClient->midi_device_info)); |
416 |
|
|
lscp_device_info_free(&(pClient->audio_device_info)); |
417 |
|
|
lscp_driver_info_free(&(pClient->midi_driver_info)); |
418 |
|
|
lscp_driver_info_free(&(pClient->audio_driver_info)); |
419 |
|
|
// Free available engine table. |
420 |
|
|
lscp_szsplit_destroy(pClient->audio_drivers); |
421 |
|
|
lscp_szsplit_destroy(pClient->midi_drivers); |
422 |
|
|
lscp_isplit_destroy(pClient->audio_devices); |
423 |
|
|
lscp_isplit_destroy(pClient->midi_devices); |
424 |
|
|
lscp_szsplit_destroy(pClient->engines); |
425 |
|
|
lscp_isplit_destroy(pClient->channels); |
426 |
|
|
lscp_midi_instruments_destroy(pClient->midi_instruments); |
427 |
|
|
// Make them null. |
428 |
|
|
pClient->audio_drivers = NULL; |
429 |
|
|
pClient->midi_drivers = NULL; |
430 |
|
|
pClient->audio_devices = NULL; |
431 |
|
|
pClient->midi_devices = NULL; |
432 |
|
|
pClient->engines = NULL; |
433 |
|
|
pClient->channels = NULL; |
434 |
|
|
pClient->midi_instruments = NULL; |
435 |
|
|
// Free result error stuff. |
436 |
|
|
lscp_client_set_result(pClient, NULL, 0); |
437 |
|
|
// Free stream usage stuff. |
438 |
|
|
if (pClient->buffer_fill) |
439 |
|
|
free(pClient->buffer_fill); |
440 |
|
|
pClient->buffer_fill = NULL; |
441 |
|
|
pClient->iStreamCount = 0; |
442 |
|
|
pClient->iTimeout = 0; |
443 |
capela |
107 |
|
444 |
capela |
952 |
// Free socket agents. |
445 |
|
|
lscp_socket_agent_free(&(pClient->evt)); |
446 |
|
|
lscp_socket_agent_free(&(pClient->cmd)); |
447 |
capela |
107 |
|
448 |
capela |
952 |
// Last but not least, free good ol'transaction mutex. |
449 |
|
|
lscp_mutex_unlock(pClient->mutex); |
450 |
|
|
lscp_mutex_destroy(pClient->mutex); |
451 |
|
|
lscp_cond_destroy(pClient->cond); |
452 |
capela |
107 |
|
453 |
capela |
952 |
free(pClient); |
454 |
capela |
107 |
|
455 |
capela |
952 |
return LSCP_OK; |
456 |
capela |
107 |
} |
457 |
|
|
|
458 |
|
|
|
459 |
|
|
/** |
460 |
|
|
* Set the client transaction timeout interval. |
461 |
|
|
* |
462 |
|
|
* @param pClient Pointer to client instance structure. |
463 |
|
|
* @param iTimeout Transaction timeout in milliseconds. |
464 |
|
|
* |
465 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
466 |
|
|
*/ |
467 |
|
|
lscp_status_t lscp_client_set_timeout ( lscp_client_t *pClient, int iTimeout ) |
468 |
|
|
{ |
469 |
capela |
952 |
if (pClient == NULL) |
470 |
|
|
return LSCP_FAILED; |
471 |
|
|
if (iTimeout < 0) |
472 |
|
|
return LSCP_FAILED; |
473 |
capela |
107 |
|
474 |
capela |
952 |
pClient->iTimeout = iTimeout; |
475 |
|
|
return LSCP_OK; |
476 |
capela |
107 |
} |
477 |
|
|
|
478 |
|
|
|
479 |
|
|
/** |
480 |
|
|
* Get the client transaction timeout interval. |
481 |
|
|
* |
482 |
|
|
* @param pClient Pointer to client instance structure. |
483 |
|
|
* |
484 |
|
|
* @returns The current timeout value milliseconds, -1 in case of failure. |
485 |
|
|
*/ |
486 |
|
|
int lscp_client_get_timeout ( lscp_client_t *pClient ) |
487 |
|
|
{ |
488 |
capela |
952 |
if (pClient == NULL) |
489 |
|
|
return -1; |
490 |
capela |
107 |
|
491 |
capela |
952 |
return pClient->iTimeout; |
492 |
capela |
107 |
} |
493 |
|
|
|
494 |
|
|
|
495 |
|
|
//------------------------------------------------------------------------- |
496 |
|
|
// Client common protocol functions. |
497 |
|
|
|
498 |
|
|
/** |
499 |
|
|
* Submit a command query line string to the server. The query string |
500 |
|
|
* must be cr/lf and null terminated. Besides the return code, the |
501 |
|
|
* specific server response to the command request is made available |
502 |
|
|
* by the @ref lscp_client_get_result and @ref lscp_client_get_errno |
503 |
|
|
* function calls. |
504 |
|
|
* |
505 |
|
|
* @param pClient Pointer to client instance structure. |
506 |
|
|
* @param pszQuery Command request line to be sent to server, |
507 |
|
|
* must be cr/lf and null terminated. |
508 |
|
|
* |
509 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
510 |
|
|
*/ |
511 |
|
|
lscp_status_t lscp_client_query ( lscp_client_t *pClient, const char *pszQuery ) |
512 |
|
|
{ |
513 |
capela |
952 |
lscp_status_t ret; |
514 |
capela |
562 |
|
515 |
capela |
952 |
// Lock this section up. |
516 |
|
|
lscp_mutex_lock(pClient->mutex); |
517 |
capela |
107 |
|
518 |
capela |
952 |
// Just make the now guarded call. |
519 |
|
|
ret = lscp_client_call(pClient, pszQuery, 0); |
520 |
capela |
562 |
|
521 |
capela |
952 |
// Unlock this section down. |
522 |
|
|
lscp_mutex_unlock(pClient->mutex); |
523 |
capela |
562 |
|
524 |
capela |
952 |
return ret; |
525 |
capela |
107 |
} |
526 |
|
|
|
527 |
|
|
/** |
528 |
|
|
* Get the last received result string. In case of error or warning, |
529 |
|
|
* this is the text of the error or warning message issued. |
530 |
|
|
* |
531 |
|
|
* @param pClient Pointer to client instance structure. |
532 |
|
|
* |
533 |
|
|
* @returns A pointer to the literal null-terminated result string as |
534 |
|
|
* of the last command request. |
535 |
|
|
*/ |
536 |
|
|
const char *lscp_client_get_result ( lscp_client_t *pClient ) |
537 |
|
|
{ |
538 |
capela |
952 |
if (pClient == NULL) |
539 |
|
|
return NULL; |
540 |
capela |
107 |
|
541 |
capela |
952 |
return pClient->pszResult; |
542 |
capela |
107 |
} |
543 |
|
|
|
544 |
|
|
|
545 |
|
|
/** |
546 |
|
|
* Get the last error/warning number received. |
547 |
|
|
* |
548 |
|
|
* @param pClient Pointer to client instance structure. |
549 |
|
|
* |
550 |
|
|
* @returns The numerical value of the last error or warning |
551 |
|
|
* response code received. |
552 |
|
|
*/ |
553 |
|
|
int lscp_client_get_errno ( lscp_client_t *pClient ) |
554 |
|
|
{ |
555 |
capela |
952 |
if (pClient == NULL) |
556 |
|
|
return -1; |
557 |
capela |
107 |
|
558 |
capela |
952 |
return pClient->iErrno; |
559 |
capela |
107 |
} |
560 |
|
|
|
561 |
|
|
|
562 |
|
|
//------------------------------------------------------------------------- |
563 |
|
|
// Client registration protocol functions. |
564 |
|
|
|
565 |
|
|
/** |
566 |
capela |
144 |
* Register frontend for receiving event messages: |
567 |
capela |
562 |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
568 |
capela |
144 |
* | CHANNEL_INFO | MISCELLANEOUS |
569 |
capela |
107 |
* |
570 |
|
|
* @param pClient Pointer to client instance structure. |
571 |
capela |
144 |
* @param events Bit-wise OR'ed event flags to subscribe. |
572 |
capela |
107 |
* |
573 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
574 |
|
|
*/ |
575 |
capela |
144 |
lscp_status_t lscp_client_subscribe ( lscp_client_t *pClient, lscp_event_t events ) |
576 |
capela |
107 |
{ |
577 |
capela |
952 |
lscp_status_t ret = LSCP_FAILED; |
578 |
capela |
107 |
|
579 |
capela |
952 |
if (pClient == NULL) |
580 |
|
|
return LSCP_FAILED; |
581 |
capela |
107 |
|
582 |
capela |
952 |
// Lock this section up. |
583 |
|
|
lscp_mutex_lock(pClient->mutex); |
584 |
capela |
144 |
|
585 |
capela |
952 |
// If applicable, start the alternate connection... |
586 |
|
|
if (pClient->events == LSCP_EVENT_NONE) |
587 |
|
|
ret = _lscp_client_evt_connect(pClient); |
588 |
capela |
562 |
|
589 |
capela |
952 |
// Send the subscription commands. |
590 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_COUNT)) |
591 |
|
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNEL_COUNT); |
592 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
593 |
|
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_VOICE_COUNT); |
594 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
595 |
|
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_STREAM_COUNT); |
596 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_BUFFER_FILL)) |
597 |
|
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_BUFFER_FILL); |
598 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_INFO)) |
599 |
|
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNEL_INFO); |
600 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
601 |
|
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_MISCELLANEOUS); |
602 |
capela |
107 |
|
603 |
capela |
952 |
// Unlock this section down. |
604 |
|
|
lscp_mutex_unlock(pClient->mutex); |
605 |
capela |
132 |
|
606 |
capela |
952 |
return ret; |
607 |
capela |
107 |
} |
608 |
|
|
|
609 |
|
|
|
610 |
|
|
/** |
611 |
capela |
144 |
* Deregister frontend from receiving UDP event messages anymore: |
612 |
capela |
562 |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
613 |
capela |
144 |
* | CHANNEL_INFO | MISCELLANEOUS |
614 |
capela |
107 |
* |
615 |
|
|
* @param pClient Pointer to client instance structure. |
616 |
capela |
144 |
* @param events Bit-wise OR'ed event flags to unsubscribe. |
617 |
capela |
107 |
* |
618 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
619 |
|
|
*/ |
620 |
capela |
144 |
lscp_status_t lscp_client_unsubscribe ( lscp_client_t *pClient, lscp_event_t events ) |
621 |
capela |
107 |
{ |
622 |
capela |
952 |
lscp_status_t ret = LSCP_OK; |
623 |
capela |
107 |
|
624 |
capela |
952 |
if (pClient == NULL) |
625 |
|
|
return LSCP_FAILED; |
626 |
capela |
107 |
|
627 |
capela |
952 |
// Lock this section up. |
628 |
|
|
lscp_mutex_lock(pClient->mutex); |
629 |
capela |
132 |
|
630 |
capela |
952 |
// Send the unsubscription commands. |
631 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_COUNT)) |
632 |
|
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNEL_COUNT); |
633 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
634 |
|
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_VOICE_COUNT); |
635 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
636 |
|
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_STREAM_COUNT); |
637 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_BUFFER_FILL)) |
638 |
|
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_BUFFER_FILL); |
639 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_INFO)) |
640 |
|
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNEL_INFO); |
641 |
|
|
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
642 |
|
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_MISCELLANEOUS); |
643 |
capela |
107 |
|
644 |
capela |
952 |
// If necessary, close the alternate connection... |
645 |
|
|
if (pClient->events == LSCP_EVENT_NONE) |
646 |
|
|
lscp_socket_agent_free(&(pClient->evt)); |
647 |
capela |
144 |
|
648 |
capela |
952 |
// Unlock this section down. |
649 |
|
|
lscp_mutex_unlock(pClient->mutex); |
650 |
capela |
132 |
|
651 |
capela |
952 |
return ret; |
652 |
capela |
107 |
} |
653 |
|
|
|
654 |
|
|
|
655 |
capela |
213 |
/** |
656 |
|
|
* Getting current subscribed events. |
657 |
|
|
* |
658 |
|
|
* @param pClient Pointer to client instance structure. |
659 |
|
|
* |
660 |
|
|
* @returns The current subscrived bit-wise OR'ed event flags. |
661 |
|
|
*/ |
662 |
|
|
lscp_event_t lscp_client_get_events ( lscp_client_t *pClient ) |
663 |
|
|
{ |
664 |
capela |
952 |
if (pClient == NULL) |
665 |
|
|
return LSCP_EVENT_NONE; |
666 |
capela |
213 |
|
667 |
capela |
952 |
return pClient->events; |
668 |
capela |
213 |
} |
669 |
|
|
|
670 |
|
|
|
671 |
capela |
107 |
//------------------------------------------------------------------------- |
672 |
|
|
// Client command protocol functions. |
673 |
|
|
|
674 |
|
|
/** |
675 |
|
|
* Loading an instrument: |
676 |
|
|
* LOAD INSTRUMENT <filename> <instr-index> <sampler-channel> |
677 |
|
|
* |
678 |
|
|
* @param pClient Pointer to client instance structure. |
679 |
|
|
* @param pszFileName Instrument file name. |
680 |
|
|
* @param iInstrIndex Instrument index number. |
681 |
|
|
* @param iSamplerChannel Sampler Channel. |
682 |
|
|
* |
683 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
684 |
|
|
*/ |
685 |
|
|
lscp_status_t lscp_load_instrument ( lscp_client_t *pClient, const char *pszFileName, int iInstrIndex, int iSamplerChannel ) |
686 |
|
|
{ |
687 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
688 |
capela |
107 |
|
689 |
capela |
952 |
if (pszFileName == NULL || iSamplerChannel < 0) |
690 |
|
|
return LSCP_FAILED; |
691 |
capela |
107 |
|
692 |
capela |
952 |
sprintf(szQuery, "LOAD INSTRUMENT '%s' %d %d\r\n", pszFileName, iInstrIndex, iSamplerChannel); |
693 |
|
|
return lscp_client_query(pClient, szQuery); |
694 |
capela |
107 |
} |
695 |
|
|
|
696 |
|
|
|
697 |
|
|
/** |
698 |
capela |
144 |
* Loading an instrument in the background (non modal): |
699 |
|
|
* LOAD INSTRUMENT NON_MODAL <filename> <instr-index> <sampler-channel> |
700 |
|
|
* |
701 |
|
|
* @param pClient Pointer to client instance structure. |
702 |
|
|
* @param pszFileName Instrument file name. |
703 |
|
|
* @param iInstrIndex Instrument index number. |
704 |
|
|
* @param iSamplerChannel Sampler Channel. |
705 |
|
|
* |
706 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
707 |
|
|
*/ |
708 |
|
|
lscp_status_t lscp_load_instrument_non_modal ( lscp_client_t *pClient, const char *pszFileName, int iInstrIndex, int iSamplerChannel ) |
709 |
|
|
{ |
710 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
711 |
capela |
144 |
|
712 |
capela |
952 |
if (pszFileName == NULL || iSamplerChannel < 0) |
713 |
|
|
return LSCP_FAILED; |
714 |
capela |
144 |
|
715 |
capela |
952 |
sprintf(szQuery, "LOAD INSTRUMENT NON_MODAL '%s' %d %d\r\n", pszFileName, iInstrIndex, iSamplerChannel); |
716 |
|
|
return lscp_client_query(pClient, szQuery); |
717 |
capela |
144 |
} |
718 |
|
|
|
719 |
|
|
|
720 |
|
|
/** |
721 |
capela |
107 |
* Loading a sampler engine: |
722 |
|
|
* LOAD ENGINE <engine-name> <sampler-channel> |
723 |
|
|
* |
724 |
|
|
* @param pClient Pointer to client instance structure. |
725 |
|
|
* @param pszEngineName Engine name. |
726 |
|
|
* @param iSamplerChannel Sampler channel number. |
727 |
|
|
* |
728 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
729 |
|
|
*/ |
730 |
|
|
lscp_status_t lscp_load_engine ( lscp_client_t *pClient, const char *pszEngineName, int iSamplerChannel ) |
731 |
|
|
{ |
732 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
733 |
capela |
107 |
|
734 |
capela |
952 |
if (pszEngineName == NULL || iSamplerChannel < 0) |
735 |
|
|
return LSCP_FAILED; |
736 |
capela |
107 |
|
737 |
capela |
952 |
sprintf(szQuery, "LOAD ENGINE %s %d\r\n", pszEngineName, iSamplerChannel); |
738 |
|
|
return lscp_client_query(pClient, szQuery); |
739 |
capela |
107 |
} |
740 |
|
|
|
741 |
|
|
|
742 |
|
|
/** |
743 |
|
|
* Current number of sampler channels: |
744 |
|
|
* GET CHANNELS |
745 |
|
|
* |
746 |
|
|
* @param pClient Pointer to client instance structure. |
747 |
|
|
* |
748 |
|
|
* @returns The current total number of sampler channels on success, |
749 |
|
|
* -1 otherwise. |
750 |
|
|
*/ |
751 |
|
|
int lscp_get_channels ( lscp_client_t *pClient ) |
752 |
|
|
{ |
753 |
capela |
952 |
int iChannels = -1; |
754 |
capela |
132 |
|
755 |
capela |
952 |
// Lock this section up. |
756 |
|
|
lscp_mutex_lock(pClient->mutex); |
757 |
capela |
132 |
|
758 |
capela |
952 |
if (lscp_client_call(pClient, "GET CHANNELS\r\n", 0) == LSCP_OK) |
759 |
|
|
iChannels = atoi(lscp_client_get_result(pClient)); |
760 |
capela |
132 |
|
761 |
capela |
952 |
// Unlock this section doen. |
762 |
|
|
lscp_mutex_unlock(pClient->mutex); |
763 |
capela |
132 |
|
764 |
capela |
952 |
return iChannels; |
765 |
capela |
107 |
} |
766 |
|
|
|
767 |
|
|
|
768 |
|
|
/** |
769 |
capela |
125 |
* List current sampler channels number identifiers: |
770 |
|
|
* LIST CHANNELS |
771 |
|
|
* |
772 |
|
|
* @param pClient Pointer to client instance structure. |
773 |
|
|
* |
774 |
|
|
* @returns An array of the sampler channels identifiers as positive integers, |
775 |
|
|
* terminated with -1 on success, NULL otherwise. |
776 |
|
|
*/ |
777 |
|
|
int *lscp_list_channels ( lscp_client_t *pClient ) |
778 |
|
|
{ |
779 |
capela |
952 |
const char *pszSeps = ","; |
780 |
capela |
125 |
|
781 |
capela |
952 |
if (pClient == NULL) |
782 |
|
|
return NULL; |
783 |
capela |
562 |
|
784 |
capela |
952 |
// Lock this section up. |
785 |
|
|
lscp_mutex_lock(pClient->mutex); |
786 |
capela |
132 |
|
787 |
capela |
952 |
if (pClient->channels) { |
788 |
|
|
lscp_isplit_destroy(pClient->channels); |
789 |
|
|
pClient->channels = NULL; |
790 |
|
|
} |
791 |
capela |
125 |
|
792 |
capela |
952 |
if (lscp_client_call(pClient, "LIST CHANNELS\r\n", 0) == LSCP_OK) |
793 |
|
|
pClient->channels = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
794 |
capela |
125 |
|
795 |
capela |
952 |
// Unlock this section down. |
796 |
|
|
lscp_mutex_unlock(pClient->mutex); |
797 |
capela |
132 |
|
798 |
capela |
952 |
return pClient->channels; |
799 |
capela |
125 |
} |
800 |
|
|
|
801 |
|
|
|
802 |
|
|
/** |
803 |
capela |
107 |
* Adding a new sampler channel: |
804 |
|
|
* ADD CHANNEL |
805 |
|
|
* |
806 |
|
|
* @param pClient Pointer to client instance structure. |
807 |
|
|
* |
808 |
|
|
* @returns The new sampler channel number identifier, |
809 |
|
|
* or -1 in case of failure. |
810 |
|
|
*/ |
811 |
|
|
int lscp_add_channel ( lscp_client_t *pClient ) |
812 |
|
|
{ |
813 |
capela |
952 |
int iSamplerChannel = -1; |
814 |
capela |
132 |
|
815 |
capela |
952 |
// Lock this section up. |
816 |
|
|
lscp_mutex_lock(pClient->mutex); |
817 |
capela |
132 |
|
818 |
capela |
952 |
if (lscp_client_call(pClient, "ADD CHANNEL\r\n", 0) == LSCP_OK) |
819 |
|
|
iSamplerChannel = atoi(lscp_client_get_result(pClient)); |
820 |
capela |
562 |
|
821 |
capela |
952 |
// Unlock this section down. |
822 |
|
|
lscp_mutex_unlock(pClient->mutex); |
823 |
capela |
132 |
|
824 |
capela |
952 |
return iSamplerChannel; |
825 |
capela |
107 |
} |
826 |
|
|
|
827 |
|
|
|
828 |
|
|
/** |
829 |
|
|
* Removing a sampler channel: |
830 |
|
|
* REMOVE CHANNEL <sampler-channel> |
831 |
|
|
* |
832 |
|
|
* @param pClient Pointer to client instance structure. |
833 |
|
|
* @param iSamplerChannel Sampler channel number. |
834 |
|
|
* |
835 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
836 |
|
|
*/ |
837 |
|
|
lscp_status_t lscp_remove_channel ( lscp_client_t *pClient, int iSamplerChannel ) |
838 |
|
|
{ |
839 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
840 |
capela |
107 |
|
841 |
capela |
952 |
if (iSamplerChannel < 0) |
842 |
|
|
return LSCP_FAILED; |
843 |
capela |
107 |
|
844 |
capela |
952 |
sprintf(szQuery, "REMOVE CHANNEL %d\r\n", iSamplerChannel); |
845 |
|
|
return lscp_client_query(pClient, szQuery); |
846 |
capela |
107 |
} |
847 |
|
|
|
848 |
|
|
|
849 |
|
|
/** |
850 |
capela |
523 |
* Getting all available engines count: |
851 |
capela |
107 |
* GET AVAILABLE_ENGINES |
852 |
|
|
* |
853 |
|
|
* @param pClient Pointer to client instance structure. |
854 |
|
|
* |
855 |
capela |
523 |
* @returns The current total number of sampler engines on success, |
856 |
|
|
* -1 otherwise. |
857 |
|
|
*/ |
858 |
|
|
int lscp_get_available_engines ( lscp_client_t *pClient ) |
859 |
|
|
{ |
860 |
capela |
952 |
int iAvailableEngines = -1; |
861 |
capela |
523 |
|
862 |
capela |
952 |
// Lock this section up. |
863 |
|
|
lscp_mutex_lock(pClient->mutex); |
864 |
capela |
523 |
|
865 |
capela |
952 |
if (lscp_client_call(pClient, "GET AVAILABLE_ENGINES\r\n", 0) == LSCP_OK) |
866 |
|
|
iAvailableEngines = atoi(lscp_client_get_result(pClient)); |
867 |
capela |
523 |
|
868 |
capela |
952 |
// Unlock this section down. |
869 |
|
|
lscp_mutex_unlock(pClient->mutex); |
870 |
capela |
523 |
|
871 |
capela |
952 |
return iAvailableEngines; |
872 |
capela |
523 |
} |
873 |
|
|
|
874 |
|
|
|
875 |
|
|
/** |
876 |
|
|
* Getting all available engines: |
877 |
|
|
* LIST AVAILABLE_ENGINES |
878 |
|
|
* |
879 |
|
|
* @param pClient Pointer to client instance structure. |
880 |
|
|
* |
881 |
capela |
107 |
* @returns A NULL terminated array of engine name strings, |
882 |
|
|
* or NULL in case of failure. |
883 |
|
|
*/ |
884 |
capela |
523 |
const char **lscp_list_available_engines ( lscp_client_t *pClient ) |
885 |
capela |
107 |
{ |
886 |
capela |
952 |
const char *pszSeps = ","; |
887 |
capela |
107 |
|
888 |
capela |
952 |
// Lock this section up. |
889 |
|
|
lscp_mutex_lock(pClient->mutex); |
890 |
capela |
132 |
|
891 |
capela |
952 |
if (pClient->engines) { |
892 |
|
|
lscp_szsplit_destroy(pClient->engines); |
893 |
|
|
pClient->engines = NULL; |
894 |
|
|
} |
895 |
capela |
107 |
|
896 |
capela |
952 |
if (lscp_client_call(pClient, "LIST AVAILABLE_ENGINES\r\n", 0) == LSCP_OK) |
897 |
|
|
pClient->engines = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
898 |
capela |
107 |
|
899 |
capela |
952 |
// Unlock this section down. |
900 |
|
|
lscp_mutex_unlock(pClient->mutex); |
901 |
capela |
132 |
|
902 |
capela |
952 |
return (const char **) pClient->engines; |
903 |
capela |
107 |
} |
904 |
|
|
|
905 |
|
|
|
906 |
|
|
/** |
907 |
|
|
* Getting information about an engine. |
908 |
|
|
* GET ENGINE INFO <engine-name> |
909 |
|
|
* |
910 |
|
|
* @param pClient Pointer to client instance structure. |
911 |
|
|
* @param pszEngineName Engine name. |
912 |
|
|
* |
913 |
|
|
* @returns A pointer to a @ref lscp_engine_info_t structure, with all the |
914 |
|
|
* information of the given sampler engine, or NULL in case of failure. |
915 |
|
|
*/ |
916 |
|
|
lscp_engine_info_t *lscp_get_engine_info ( lscp_client_t *pClient, const char *pszEngineName ) |
917 |
|
|
{ |
918 |
capela |
952 |
lscp_engine_info_t *pEngineInfo; |
919 |
|
|
char szQuery[LSCP_BUFSIZ]; |
920 |
|
|
const char *pszResult; |
921 |
|
|
const char *pszSeps = ":"; |
922 |
|
|
const char *pszCrlf = "\r\n"; |
923 |
|
|
char *pszToken; |
924 |
|
|
char *pch; |
925 |
capela |
107 |
|
926 |
capela |
952 |
if (pszEngineName == NULL) |
927 |
|
|
return NULL; |
928 |
capela |
107 |
|
929 |
capela |
952 |
// Lock this section up. |
930 |
|
|
lscp_mutex_lock(pClient->mutex); |
931 |
capela |
132 |
|
932 |
capela |
952 |
pEngineInfo = &(pClient->engine_info); |
933 |
|
|
lscp_engine_info_reset(pEngineInfo); |
934 |
capela |
107 |
|
935 |
capela |
952 |
sprintf(szQuery, "GET ENGINE INFO %s\r\n", pszEngineName); |
936 |
|
|
if (lscp_client_call(pClient, szQuery, 1) == LSCP_OK) { |
937 |
|
|
pszResult = lscp_client_get_result(pClient); |
938 |
|
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
939 |
|
|
while (pszToken) { |
940 |
|
|
if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
941 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
942 |
|
|
if (pszToken) |
943 |
|
|
lscp_unquote_dup(&(pEngineInfo->description), &pszToken); |
944 |
|
|
} |
945 |
|
|
else if (strcasecmp(pszToken, "VERSION") == 0) { |
946 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
947 |
|
|
if (pszToken) |
948 |
|
|
lscp_unquote_dup(&(pEngineInfo->version), &pszToken); |
949 |
|
|
} |
950 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
951 |
|
|
} |
952 |
|
|
} |
953 |
|
|
else pEngineInfo = NULL; |
954 |
capela |
562 |
|
955 |
capela |
952 |
// Unlock this section down. |
956 |
|
|
lscp_mutex_unlock(pClient->mutex); |
957 |
capela |
107 |
|
958 |
capela |
952 |
return pEngineInfo; |
959 |
capela |
107 |
} |
960 |
|
|
|
961 |
|
|
|
962 |
|
|
/** |
963 |
|
|
* Getting sampler channel informations: |
964 |
|
|
* GET CHANNEL INFO <sampler-channel> |
965 |
|
|
* |
966 |
|
|
* @param pClient Pointer to client instance structure. |
967 |
|
|
* @param iSamplerChannel Sampler channel number. |
968 |
|
|
* |
969 |
|
|
* @returns A pointer to a @ref lscp_channel_info_t structure, with all the |
970 |
|
|
* information of the given sampler channel, or NULL in case of failure. |
971 |
|
|
*/ |
972 |
|
|
lscp_channel_info_t *lscp_get_channel_info ( lscp_client_t *pClient, int iSamplerChannel ) |
973 |
|
|
{ |
974 |
capela |
952 |
lscp_channel_info_t *pChannelInfo; |
975 |
|
|
char szQuery[LSCP_BUFSIZ]; |
976 |
|
|
const char *pszResult; |
977 |
|
|
const char *pszSeps = ":"; |
978 |
|
|
const char *pszCrlf = "\r\n"; |
979 |
|
|
char *pszToken; |
980 |
|
|
char *pch; |
981 |
capela |
107 |
|
982 |
capela |
952 |
if (iSamplerChannel < 0) |
983 |
|
|
return NULL; |
984 |
capela |
107 |
|
985 |
capela |
952 |
// Lock this section up. |
986 |
|
|
lscp_mutex_lock(pClient->mutex); |
987 |
capela |
562 |
|
988 |
capela |
952 |
pChannelInfo = &(pClient->channel_info); |
989 |
|
|
lscp_channel_info_reset(pChannelInfo); |
990 |
capela |
107 |
|
991 |
capela |
952 |
sprintf(szQuery, "GET CHANNEL INFO %d\r\n", iSamplerChannel); |
992 |
|
|
if (lscp_client_call(pClient, szQuery, 1) == LSCP_OK) { |
993 |
|
|
pszResult = lscp_client_get_result(pClient); |
994 |
|
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
995 |
|
|
while (pszToken) { |
996 |
|
|
if (strcasecmp(pszToken, "ENGINE_NAME") == 0) { |
997 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
998 |
|
|
if (pszToken) |
999 |
|
|
lscp_unquote_dup(&(pChannelInfo->engine_name), &pszToken); |
1000 |
|
|
} |
1001 |
|
|
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_DEVICE") == 0) { |
1002 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1003 |
|
|
if (pszToken) |
1004 |
|
|
pChannelInfo->audio_device = atoi(lscp_ltrim(pszToken)); |
1005 |
|
|
} |
1006 |
|
|
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_CHANNELS") == 0) { |
1007 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1008 |
|
|
if (pszToken) |
1009 |
|
|
pChannelInfo->audio_channels = atoi(lscp_ltrim(pszToken)); |
1010 |
|
|
} |
1011 |
|
|
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_ROUTING") == 0) { |
1012 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1013 |
|
|
if (pszToken) { |
1014 |
|
|
if (pChannelInfo->audio_routing) |
1015 |
|
|
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
1016 |
|
|
pChannelInfo->audio_routing = lscp_szsplit_create(pszToken, ","); |
1017 |
|
|
} |
1018 |
|
|
} |
1019 |
|
|
else if (strcasecmp(pszToken, "INSTRUMENT_FILE") == 0) { |
1020 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1021 |
|
|
if (pszToken) |
1022 |
|
|
lscp_unquote_dup(&(pChannelInfo->instrument_file), &pszToken); |
1023 |
|
|
} |
1024 |
|
|
else if (strcasecmp(pszToken, "INSTRUMENT_NR") == 0) { |
1025 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1026 |
|
|
if (pszToken) |
1027 |
|
|
pChannelInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
1028 |
|
|
} |
1029 |
|
|
else if (strcasecmp(pszToken, "INSTRUMENT_NAME") == 0) { |
1030 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1031 |
|
|
if (pszToken) |
1032 |
|
|
lscp_unquote_dup(&(pChannelInfo->instrument_name), &pszToken); |
1033 |
|
|
} |
1034 |
|
|
else if (strcasecmp(pszToken, "INSTRUMENT_STATUS") == 0) { |
1035 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1036 |
|
|
if (pszToken) |
1037 |
|
|
pChannelInfo->instrument_status = atoi(lscp_ltrim(pszToken)); |
1038 |
|
|
} |
1039 |
|
|
else if (strcasecmp(pszToken, "MIDI_INPUT_DEVICE") == 0) { |
1040 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1041 |
|
|
if (pszToken) |
1042 |
|
|
pChannelInfo->midi_device = atoi(lscp_ltrim(pszToken)); |
1043 |
|
|
} |
1044 |
|
|
else if (strcasecmp(pszToken, "MIDI_INPUT_PORT") == 0) { |
1045 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1046 |
|
|
if (pszToken) |
1047 |
|
|
pChannelInfo->midi_port = atoi(lscp_ltrim(pszToken)); |
1048 |
|
|
} |
1049 |
|
|
else if (strcasecmp(pszToken, "MIDI_INPUT_CHANNEL") == 0) { |
1050 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1051 |
|
|
if (pszToken) { |
1052 |
|
|
pszToken = lscp_ltrim(pszToken); |
1053 |
|
|
if (strcasecmp(pszToken, "ALL") == 0) |
1054 |
|
|
pChannelInfo->midi_channel = LSCP_MIDI_CHANNEL_ALL; |
1055 |
|
|
else |
1056 |
|
|
pChannelInfo->midi_channel = atoi(pszToken); |
1057 |
|
|
} |
1058 |
|
|
} |
1059 |
|
|
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
1060 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1061 |
|
|
if (pszToken) |
1062 |
|
|
pChannelInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
1063 |
|
|
} |
1064 |
|
|
else if (strcasecmp(pszToken, "MUTE") == 0) { |
1065 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1066 |
|
|
if (pszToken) |
1067 |
|
|
pChannelInfo->mute = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
1068 |
|
|
} |
1069 |
|
|
else if (strcasecmp(pszToken, "SOLO") == 0) { |
1070 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1071 |
|
|
if (pszToken) |
1072 |
|
|
pChannelInfo->solo = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
1073 |
|
|
} |
1074 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1075 |
|
|
} |
1076 |
|
|
} |
1077 |
|
|
else pChannelInfo = NULL; |
1078 |
capela |
562 |
|
1079 |
capela |
952 |
// Unlock this section up. |
1080 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1081 |
capela |
107 |
|
1082 |
capela |
952 |
return pChannelInfo; |
1083 |
capela |
107 |
} |
1084 |
|
|
|
1085 |
|
|
|
1086 |
|
|
/** |
1087 |
|
|
* Current number of active voices: |
1088 |
|
|
* GET CHANNEL VOICE_COUNT <sampler-channel> |
1089 |
|
|
* |
1090 |
|
|
* @param pClient Pointer to client instance structure. |
1091 |
|
|
* @param iSamplerChannel Sampler channel number. |
1092 |
|
|
* |
1093 |
|
|
* @returns The number of voices currently active, -1 in case of failure. |
1094 |
|
|
*/ |
1095 |
|
|
int lscp_get_channel_voice_count ( lscp_client_t *pClient, int iSamplerChannel ) |
1096 |
|
|
{ |
1097 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1098 |
|
|
int iVoiceCount = -1; |
1099 |
capela |
107 |
|
1100 |
capela |
952 |
if (iSamplerChannel < 0) |
1101 |
|
|
return iVoiceCount; |
1102 |
capela |
107 |
|
1103 |
capela |
952 |
// Lock this section up. |
1104 |
|
|
lscp_mutex_lock(pClient->mutex); |
1105 |
capela |
132 |
|
1106 |
capela |
952 |
sprintf(szQuery, "GET CHANNEL VOICE_COUNT %d\r\n", iSamplerChannel); |
1107 |
|
|
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) |
1108 |
|
|
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
1109 |
capela |
107 |
|
1110 |
capela |
952 |
// Unlock this section down. |
1111 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1112 |
capela |
132 |
|
1113 |
capela |
952 |
return iVoiceCount; |
1114 |
capela |
107 |
} |
1115 |
|
|
|
1116 |
|
|
|
1117 |
|
|
/** |
1118 |
|
|
* Current number of active disk streams: |
1119 |
|
|
* GET CHANNEL STREAM_COUNT <sampler-channel> |
1120 |
|
|
* |
1121 |
capela |
167 |
* @param pClient Pointer to client instance structure. |
1122 |
|
|
* @param iSamplerChannel Sampler channel number. |
1123 |
|
|
* |
1124 |
capela |
107 |
* @returns The number of active disk streams on success, -1 otherwise. |
1125 |
|
|
*/ |
1126 |
|
|
int lscp_get_channel_stream_count ( lscp_client_t *pClient, int iSamplerChannel ) |
1127 |
|
|
{ |
1128 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1129 |
|
|
int iStreamCount = -1; |
1130 |
capela |
107 |
|
1131 |
capela |
952 |
if (iSamplerChannel < 0) |
1132 |
|
|
return iStreamCount; |
1133 |
capela |
107 |
|
1134 |
capela |
952 |
// Lock this section up. |
1135 |
|
|
lscp_mutex_lock(pClient->mutex); |
1136 |
capela |
132 |
|
1137 |
capela |
952 |
sprintf(szQuery, "GET CHANNEL STREAM_COUNT %d\r\n", iSamplerChannel); |
1138 |
|
|
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) |
1139 |
|
|
iStreamCount = atoi(lscp_client_get_result(pClient)); |
1140 |
capela |
107 |
|
1141 |
capela |
952 |
// Unlock this section down. |
1142 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1143 |
capela |
132 |
|
1144 |
capela |
952 |
return iStreamCount; |
1145 |
capela |
107 |
} |
1146 |
|
|
|
1147 |
|
|
|
1148 |
|
|
/** |
1149 |
capela |
167 |
* Current least usage of active disk streams. |
1150 |
|
|
* |
1151 |
|
|
* @param pClient Pointer to client instance structure. |
1152 |
|
|
* @param iSamplerChannel Sampler channel number. |
1153 |
|
|
* |
1154 |
|
|
* @returns The usage percentage of the least filled active disk stream |
1155 |
|
|
* on success, -1 otherwise. |
1156 |
|
|
*/ |
1157 |
|
|
int lscp_get_channel_stream_usage ( lscp_client_t *pClient, int iSamplerChannel ) |
1158 |
|
|
{ |
1159 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1160 |
|
|
int iStreamUsage = -1; |
1161 |
|
|
const char *pszResult; |
1162 |
|
|
const char *pszSeps = "[]%,"; |
1163 |
|
|
char *pszToken; |
1164 |
|
|
char *pch; |
1165 |
|
|
int iStream; |
1166 |
|
|
int iPercent; |
1167 |
capela |
167 |
|
1168 |
capela |
952 |
if (iSamplerChannel < 0) |
1169 |
|
|
return iStreamUsage; |
1170 |
capela |
167 |
|
1171 |
capela |
952 |
// Lock this section up. |
1172 |
|
|
lscp_mutex_lock(pClient->mutex); |
1173 |
capela |
167 |
|
1174 |
capela |
952 |
iStream = 0; |
1175 |
|
|
sprintf(szQuery, "GET CHANNEL BUFFER_FILL PERCENTAGE %d\r\n", iSamplerChannel); |
1176 |
|
|
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) { |
1177 |
|
|
pszResult = lscp_client_get_result(pClient); |
1178 |
|
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1179 |
|
|
while (pszToken) { |
1180 |
|
|
if (*pszToken) { |
1181 |
|
|
// Skip stream id. |
1182 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1183 |
|
|
if (pszToken == NULL) |
1184 |
|
|
break; |
1185 |
|
|
// Get least buffer fill percentage. |
1186 |
|
|
iPercent = atol(pszToken); |
1187 |
|
|
if (iStreamUsage > iPercent || iStream == 0) |
1188 |
|
|
iStreamUsage = iPercent; |
1189 |
|
|
iStream++; |
1190 |
|
|
} |
1191 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1192 |
|
|
} |
1193 |
|
|
} |
1194 |
capela |
167 |
|
1195 |
capela |
952 |
// Unlock this section down. |
1196 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1197 |
capela |
167 |
|
1198 |
capela |
952 |
return iStreamUsage; |
1199 |
capela |
167 |
} |
1200 |
|
|
|
1201 |
|
|
|
1202 |
|
|
/** |
1203 |
capela |
107 |
* Current fill state of disk stream buffers: |
1204 |
|
|
* GET CHANNEL BUFFER_FILL {BYTES|PERCENTAGE} <sampler-channel> |
1205 |
|
|
* |
1206 |
|
|
* @param pClient Pointer to client instance structure. |
1207 |
|
|
* @param usage_type Usage type to be returned, either |
1208 |
|
|
* @ref LSCP_USAGE_BYTES, or |
1209 |
|
|
* @ref LSCP_USAGE_PERCENTAGE. |
1210 |
|
|
* @param iSamplerChannel Sampler channel number. |
1211 |
|
|
* |
1212 |
|
|
* @returns A pointer to a @ref lscp_buffer_fill_t structure, with the |
1213 |
|
|
* information of the current disk stream buffer fill usage, for the given |
1214 |
|
|
* sampler channel, or NULL in case of failure. |
1215 |
|
|
*/ |
1216 |
|
|
lscp_buffer_fill_t *lscp_get_channel_buffer_fill ( lscp_client_t *pClient, lscp_usage_t usage_type, int iSamplerChannel ) |
1217 |
|
|
{ |
1218 |
capela |
952 |
lscp_buffer_fill_t *pBufferFill; |
1219 |
|
|
char szQuery[LSCP_BUFSIZ]; |
1220 |
|
|
int iStreamCount; |
1221 |
|
|
const char *pszUsageType = (usage_type == LSCP_USAGE_BYTES ? "BYTES" : "PERCENTAGE"); |
1222 |
|
|
const char *pszResult; |
1223 |
|
|
const char *pszSeps = "[]%,"; |
1224 |
|
|
char *pszToken; |
1225 |
|
|
char *pch; |
1226 |
|
|
int iStream; |
1227 |
capela |
107 |
|
1228 |
capela |
952 |
// Retrieve a channel stream estimation. |
1229 |
|
|
iStreamCount = lscp_get_channel_stream_count(pClient, iSamplerChannel); |
1230 |
|
|
if (pClient->iStreamCount < 0) |
1231 |
|
|
return NULL; |
1232 |
capela |
132 |
|
1233 |
capela |
952 |
// Lock this section up. |
1234 |
|
|
lscp_mutex_lock(pClient->mutex); |
1235 |
capela |
132 |
|
1236 |
capela |
952 |
// Check if we need to reallocate the stream usage array. |
1237 |
|
|
if (pClient->iStreamCount != iStreamCount) { |
1238 |
|
|
if (pClient->buffer_fill) |
1239 |
|
|
free(pClient->buffer_fill); |
1240 |
|
|
if (iStreamCount > 0) |
1241 |
|
|
pClient->buffer_fill = (lscp_buffer_fill_t *) malloc(iStreamCount * sizeof(lscp_buffer_fill_t)); |
1242 |
|
|
else |
1243 |
|
|
pClient->buffer_fill = NULL; |
1244 |
|
|
pClient->iStreamCount = iStreamCount; |
1245 |
|
|
} |
1246 |
capela |
107 |
|
1247 |
capela |
952 |
// Get buffer fill usage... |
1248 |
|
|
pBufferFill = pClient->buffer_fill; |
1249 |
|
|
if (pBufferFill && iStreamCount > 0) { |
1250 |
|
|
iStream = 0; |
1251 |
|
|
pBufferFill = pClient->buffer_fill; |
1252 |
|
|
sprintf(szQuery, "GET CHANNEL BUFFER_FILL %s %d\r\n", pszUsageType, iSamplerChannel); |
1253 |
|
|
if (lscp_client_call(pClient, szQuery, 0) == LSCP_OK) { |
1254 |
|
|
pszResult = lscp_client_get_result(pClient); |
1255 |
|
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1256 |
|
|
while (pszToken && iStream < pClient->iStreamCount) { |
1257 |
|
|
if (*pszToken) { |
1258 |
|
|
pBufferFill[iStream].stream_id = atol(pszToken); |
1259 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1260 |
|
|
if (pszToken == NULL) |
1261 |
|
|
break; |
1262 |
|
|
pBufferFill[iStream].stream_usage = atol(pszToken); |
1263 |
|
|
iStream++; |
1264 |
|
|
} |
1265 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1266 |
|
|
} |
1267 |
|
|
} // Reset the usage, whatever it was before. |
1268 |
|
|
else while (iStream < pClient->iStreamCount) |
1269 |
|
|
pBufferFill[iStream++].stream_usage = 0; |
1270 |
|
|
} |
1271 |
capela |
562 |
|
1272 |
capela |
952 |
// Unlock this section down. |
1273 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1274 |
capela |
107 |
|
1275 |
capela |
952 |
return pBufferFill; |
1276 |
capela |
107 |
} |
1277 |
|
|
|
1278 |
|
|
|
1279 |
|
|
/** |
1280 |
|
|
* Setting audio output type: |
1281 |
|
|
* SET CHANNEL AUDIO_OUTPUT_TYPE <sampler-channel> <audio-output-type> |
1282 |
|
|
* |
1283 |
|
|
* @param pClient Pointer to client instance structure. |
1284 |
|
|
* @param iSamplerChannel Sampler channel number. |
1285 |
|
|
* @param pszAudioDriver Audio output driver type (e.g. "ALSA" or "JACK"). |
1286 |
capela |
946 |
* |
1287 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1288 |
capela |
107 |
*/ |
1289 |
|
|
lscp_status_t lscp_set_channel_audio_type ( lscp_client_t *pClient, int iSamplerChannel, const char *pszAudioDriver ) |
1290 |
|
|
{ |
1291 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1292 |
capela |
107 |
|
1293 |
capela |
952 |
if (iSamplerChannel < 0 || pszAudioDriver == NULL) |
1294 |
|
|
return LSCP_FAILED; |
1295 |
capela |
107 |
|
1296 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL AUDIO_OUTPUT_TYPE %d %s\r\n", iSamplerChannel, pszAudioDriver); |
1297 |
|
|
return lscp_client_query(pClient, szQuery); |
1298 |
capela |
107 |
} |
1299 |
|
|
|
1300 |
|
|
|
1301 |
|
|
/** |
1302 |
capela |
144 |
* Setting audio output device: |
1303 |
|
|
* SET CHANNEL AUDIO_OUTPUT_DEVICE <sampler-channel> <device-id> |
1304 |
|
|
* |
1305 |
|
|
* @param pClient Pointer to client instance structure. |
1306 |
|
|
* @param iSamplerChannel Sampler channel number. |
1307 |
|
|
* @param iAudioDevice Audio output device number identifier. |
1308 |
capela |
946 |
* |
1309 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1310 |
capela |
144 |
*/ |
1311 |
|
|
lscp_status_t lscp_set_channel_audio_device ( lscp_client_t *pClient, int iSamplerChannel, int iAudioDevice ) |
1312 |
|
|
{ |
1313 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1314 |
capela |
144 |
|
1315 |
capela |
952 |
if (iSamplerChannel < 0 || iAudioDevice < 0) |
1316 |
|
|
return LSCP_FAILED; |
1317 |
capela |
144 |
|
1318 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL AUDIO_OUTPUT_DEVICE %d %d\r\n", iSamplerChannel, iAudioDevice); |
1319 |
|
|
return lscp_client_query(pClient, szQuery); |
1320 |
capela |
144 |
} |
1321 |
|
|
|
1322 |
|
|
|
1323 |
|
|
/** |
1324 |
capela |
107 |
* Setting audio output channel: |
1325 |
|
|
* SET CHANNEL AUDIO_OUTPUT_CHANNEL <sampler-channel> <audio-output-chan> <audio-input-chan> |
1326 |
|
|
* |
1327 |
|
|
* @param pClient Pointer to client instance structure. |
1328 |
|
|
* @param iSamplerChannel Sampler channel number. |
1329 |
|
|
* @param iAudioOut Audio output device channel to be routed from. |
1330 |
|
|
* @param iAudioIn Audio output device channel to be routed into. |
1331 |
|
|
* |
1332 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1333 |
|
|
*/ |
1334 |
|
|
lscp_status_t lscp_set_channel_audio_channel ( lscp_client_t *pClient, int iSamplerChannel, int iAudioOut, int iAudioIn ) |
1335 |
|
|
{ |
1336 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1337 |
capela |
107 |
|
1338 |
capela |
952 |
if (iSamplerChannel < 0 || iAudioOut < 0 || iAudioIn < 0) |
1339 |
|
|
return LSCP_FAILED; |
1340 |
capela |
107 |
|
1341 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL AUDIO_OUTPUT_CHANNEL %d %d %d\r\n", iSamplerChannel, iAudioOut, iAudioIn); |
1342 |
|
|
return lscp_client_query(pClient, szQuery); |
1343 |
capela |
107 |
} |
1344 |
|
|
|
1345 |
|
|
|
1346 |
|
|
/** |
1347 |
|
|
* Setting MIDI input type: |
1348 |
|
|
* SET CHANNEL MIDI_INPUT_TYPE <sampler-channel> <midi-input-type> |
1349 |
|
|
* |
1350 |
|
|
* @param pClient Pointer to client instance structure. |
1351 |
|
|
* @param iSamplerChannel Sampler channel number. |
1352 |
|
|
* @param pszMidiDriver MIDI input driver type (e.g. "ALSA"). |
1353 |
|
|
* |
1354 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1355 |
|
|
*/ |
1356 |
|
|
lscp_status_t lscp_set_channel_midi_type ( lscp_client_t *pClient, int iSamplerChannel, const char *pszMidiDriver ) |
1357 |
|
|
{ |
1358 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1359 |
capela |
107 |
|
1360 |
capela |
952 |
if (iSamplerChannel < 0 || pszMidiDriver == NULL) |
1361 |
|
|
return LSCP_FAILED; |
1362 |
capela |
107 |
|
1363 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_TYPE %d %s\r\n", iSamplerChannel, pszMidiDriver); |
1364 |
|
|
return lscp_client_query(pClient, szQuery); |
1365 |
capela |
107 |
} |
1366 |
|
|
|
1367 |
|
|
|
1368 |
|
|
/** |
1369 |
capela |
144 |
* Setting MIDI input device: |
1370 |
|
|
* SET CHANNEL MIDI_INPUT_DEVICE <sampler-channel> <device-id> |
1371 |
|
|
* |
1372 |
|
|
* @param pClient Pointer to client instance structure. |
1373 |
|
|
* @param iSamplerChannel Sampler channel number. |
1374 |
|
|
* @param iMidiDevice MIDI input device number identifier. |
1375 |
capela |
946 |
* |
1376 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1377 |
capela |
144 |
*/ |
1378 |
|
|
lscp_status_t lscp_set_channel_midi_device ( lscp_client_t *pClient, int iSamplerChannel, int iMidiDevice ) |
1379 |
|
|
{ |
1380 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1381 |
capela |
144 |
|
1382 |
capela |
952 |
if (iSamplerChannel < 0 || iMidiDevice < 0) |
1383 |
|
|
return LSCP_FAILED; |
1384 |
capela |
144 |
|
1385 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_DEVICE %d %d\r\n", iSamplerChannel, iMidiDevice); |
1386 |
|
|
return lscp_client_query(pClient, szQuery); |
1387 |
capela |
144 |
} |
1388 |
|
|
|
1389 |
|
|
|
1390 |
|
|
/** |
1391 |
capela |
107 |
* Setting MIDI input port: |
1392 |
|
|
* SET CHANNEL MIDI_INPUT_PORT <sampler-channel> <midi-input-port> |
1393 |
|
|
* |
1394 |
|
|
* @param pClient Pointer to client instance structure. |
1395 |
|
|
* @param iSamplerChannel Sampler channel number. |
1396 |
|
|
* @param iMidiPort MIDI input driver virtual port number. |
1397 |
|
|
* |
1398 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1399 |
|
|
*/ |
1400 |
|
|
lscp_status_t lscp_set_channel_midi_port ( lscp_client_t *pClient, int iSamplerChannel, int iMidiPort ) |
1401 |
|
|
{ |
1402 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1403 |
capela |
107 |
|
1404 |
capela |
952 |
if (iSamplerChannel < 0 || iMidiPort < 0) |
1405 |
|
|
return LSCP_FAILED; |
1406 |
capela |
107 |
|
1407 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_PORT %d %d\r\n", iSamplerChannel, iMidiPort); |
1408 |
|
|
return lscp_client_query(pClient, szQuery); |
1409 |
capela |
107 |
} |
1410 |
|
|
|
1411 |
|
|
|
1412 |
|
|
/** |
1413 |
|
|
* Setting MIDI input channel: |
1414 |
|
|
* SET CHANNEL MIDI_INPUT_CHANNEL <sampler-channel> <midi-input-chan> |
1415 |
|
|
* |
1416 |
|
|
* @param pClient Pointer to client instance structure. |
1417 |
|
|
* @param iSamplerChannel Sampler channel number. |
1418 |
capela |
278 |
* @param iMidiChannel MIDI channel address number to listen (0-15) or |
1419 |
|
|
* LSCP_MIDI_CHANNEL_ALL (16) to listen on all channels. |
1420 |
capela |
107 |
* |
1421 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1422 |
|
|
*/ |
1423 |
|
|
lscp_status_t lscp_set_channel_midi_channel ( lscp_client_t *pClient, int iSamplerChannel, int iMidiChannel ) |
1424 |
|
|
{ |
1425 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1426 |
capela |
107 |
|
1427 |
capela |
952 |
if (iSamplerChannel < 0 || iMidiChannel < 0 || iMidiChannel > 16) |
1428 |
|
|
return LSCP_FAILED; |
1429 |
capela |
107 |
|
1430 |
capela |
952 |
if (iMidiChannel == LSCP_MIDI_CHANNEL_ALL) |
1431 |
|
|
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d ALL\r\n", iSamplerChannel); |
1432 |
|
|
else |
1433 |
|
|
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d %d\r\n", iSamplerChannel, iMidiChannel); |
1434 |
|
|
return lscp_client_query(pClient, szQuery); |
1435 |
capela |
107 |
} |
1436 |
|
|
|
1437 |
|
|
|
1438 |
|
|
/** |
1439 |
|
|
* Setting channel volume: |
1440 |
|
|
* SET CHANNEL VOLUME <sampler-channel> <volume> |
1441 |
|
|
* |
1442 |
|
|
* @param pClient Pointer to client instance structure. |
1443 |
|
|
* @param iSamplerChannel Sampler channel number. |
1444 |
|
|
* @param fVolume Sampler channel volume as a positive floating point |
1445 |
|
|
* number, where a value less than 1.0 for attenuation, |
1446 |
|
|
* and greater than 1.0 for amplification. |
1447 |
|
|
* |
1448 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1449 |
|
|
*/ |
1450 |
|
|
lscp_status_t lscp_set_channel_volume ( lscp_client_t *pClient, int iSamplerChannel, float fVolume ) |
1451 |
|
|
{ |
1452 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1453 |
capela |
107 |
|
1454 |
capela |
952 |
if (iSamplerChannel < 0 || fVolume < 0.0) |
1455 |
|
|
return LSCP_FAILED; |
1456 |
capela |
107 |
|
1457 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL VOLUME %d %g\r\n", iSamplerChannel, fVolume); |
1458 |
|
|
return lscp_client_query(pClient, szQuery); |
1459 |
capela |
107 |
} |
1460 |
|
|
|
1461 |
|
|
|
1462 |
|
|
/** |
1463 |
capela |
735 |
* Muting a sampler channel: |
1464 |
|
|
* SET CHANNEL MUTE <sampler-channel> <mute> |
1465 |
|
|
* |
1466 |
|
|
* @param pClient Pointer to client instance structure. |
1467 |
|
|
* @param iSamplerChannel Sampler channel number. |
1468 |
|
|
* @param iMute Sampler channel mute state as a boolean value, |
1469 |
|
|
* either 1 (one) to mute the channel or 0 (zero) |
1470 |
|
|
* to unmute the channel. |
1471 |
|
|
* |
1472 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1473 |
|
|
*/ |
1474 |
|
|
lscp_status_t lscp_set_channel_mute ( lscp_client_t *pClient, int iSamplerChannel, int iMute ) |
1475 |
|
|
{ |
1476 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1477 |
capela |
735 |
|
1478 |
capela |
952 |
if (iSamplerChannel < 0 || iMute < 0 || iMute > 1) |
1479 |
|
|
return LSCP_FAILED; |
1480 |
capela |
735 |
|
1481 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL MUTE %d %d\r\n", iSamplerChannel, iMute); |
1482 |
|
|
return lscp_client_query(pClient, szQuery); |
1483 |
capela |
735 |
} |
1484 |
|
|
|
1485 |
|
|
|
1486 |
|
|
/** |
1487 |
|
|
* Soloing a sampler channel: |
1488 |
|
|
* SET CHANNEL SOLO <sampler-channel> <solo> |
1489 |
|
|
* |
1490 |
|
|
* @param pClient Pointer to client instance structure. |
1491 |
|
|
* @param iSamplerChannel Sampler channel number. |
1492 |
|
|
* @param iSolo Sampler channel solo state as a boolean value, |
1493 |
|
|
* either 1 (one) to solo the channel or 0 (zero) |
1494 |
|
|
* to unsolo the channel. |
1495 |
|
|
* |
1496 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1497 |
|
|
*/ |
1498 |
|
|
lscp_status_t lscp_set_channel_solo ( lscp_client_t *pClient, int iSamplerChannel, int iSolo ) |
1499 |
|
|
{ |
1500 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1501 |
capela |
735 |
|
1502 |
capela |
952 |
if (iSamplerChannel < 0 || iSolo < 0 || iSolo > 1) |
1503 |
|
|
return LSCP_FAILED; |
1504 |
capela |
735 |
|
1505 |
capela |
952 |
sprintf(szQuery, "SET CHANNEL SOLO %d %d\r\n", iSamplerChannel, iSolo); |
1506 |
|
|
return lscp_client_query(pClient, szQuery); |
1507 |
capela |
735 |
} |
1508 |
|
|
|
1509 |
|
|
|
1510 |
|
|
/** |
1511 |
capela |
107 |
* Resetting a sampler channel: |
1512 |
|
|
* RESET CHANNEL <sampler-channel> |
1513 |
|
|
* |
1514 |
|
|
* @param pClient Pointer to client instance structure. |
1515 |
|
|
* @param iSamplerChannel Sampler channel number. |
1516 |
|
|
* |
1517 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1518 |
|
|
*/ |
1519 |
|
|
lscp_status_t lscp_reset_channel ( lscp_client_t *pClient, int iSamplerChannel ) |
1520 |
|
|
{ |
1521 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1522 |
capela |
107 |
|
1523 |
capela |
952 |
if (iSamplerChannel < 0) |
1524 |
|
|
return LSCP_FAILED; |
1525 |
capela |
107 |
|
1526 |
capela |
952 |
sprintf(szQuery, "RESET CHANNEL %d\r\n", iSamplerChannel); |
1527 |
|
|
return lscp_client_query(pClient, szQuery); |
1528 |
capela |
107 |
} |
1529 |
|
|
|
1530 |
|
|
|
1531 |
capela |
213 |
/** |
1532 |
|
|
* Resetting the sampler: |
1533 |
|
|
* RESET |
1534 |
|
|
* |
1535 |
|
|
* @param pClient Pointer to client instance structure. |
1536 |
|
|
* |
1537 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1538 |
|
|
*/ |
1539 |
|
|
lscp_status_t lscp_reset_sampler ( lscp_client_t *pClient ) |
1540 |
|
|
{ |
1541 |
capela |
952 |
return lscp_client_query(pClient, "RESET\r\n"); |
1542 |
capela |
213 |
} |
1543 |
|
|
|
1544 |
|
|
|
1545 |
capela |
564 |
/** |
1546 |
|
|
* Getting information about the server. |
1547 |
|
|
* GET SERVER INFO |
1548 |
|
|
* |
1549 |
|
|
* @param pClient Pointer to client instance structure. |
1550 |
|
|
* |
1551 |
|
|
* @returns A pointer to a @ref lscp_server_info_t structure, with all the |
1552 |
|
|
* information of the current connected server, or NULL in case of failure. |
1553 |
|
|
*/ |
1554 |
|
|
lscp_server_info_t *lscp_get_server_info ( lscp_client_t *pClient ) |
1555 |
|
|
{ |
1556 |
capela |
952 |
lscp_server_info_t *pServerInfo; |
1557 |
|
|
const char *pszResult; |
1558 |
|
|
const char *pszSeps = ":"; |
1559 |
|
|
const char *pszCrlf = "\r\n"; |
1560 |
|
|
char *pszToken; |
1561 |
|
|
char *pch; |
1562 |
capela |
564 |
|
1563 |
capela |
952 |
// Lock this section up. |
1564 |
|
|
lscp_mutex_lock(pClient->mutex); |
1565 |
capela |
564 |
|
1566 |
capela |
952 |
pServerInfo = &(pClient->server_info); |
1567 |
|
|
lscp_server_info_reset(pServerInfo); |
1568 |
capela |
564 |
|
1569 |
capela |
952 |
if (lscp_client_call(pClient, "GET SERVER INFO\r\n", 1) == LSCP_OK) { |
1570 |
|
|
pszResult = lscp_client_get_result(pClient); |
1571 |
|
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1572 |
|
|
while (pszToken) { |
1573 |
|
|
if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
1574 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1575 |
|
|
if (pszToken) |
1576 |
|
|
lscp_unquote_dup(&(pServerInfo->description), &pszToken); |
1577 |
|
|
} |
1578 |
|
|
else if (strcasecmp(pszToken, "VERSION") == 0) { |
1579 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1580 |
|
|
if (pszToken) |
1581 |
|
|
lscp_unquote_dup(&(pServerInfo->version), &pszToken); |
1582 |
|
|
} |
1583 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1584 |
|
|
} |
1585 |
|
|
} |
1586 |
|
|
else pServerInfo = NULL; |
1587 |
capela |
564 |
|
1588 |
capela |
952 |
// Unlock this section down. |
1589 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1590 |
capela |
564 |
|
1591 |
capela |
952 |
return pServerInfo; |
1592 |
capela |
564 |
} |
1593 |
|
|
|
1594 |
|
|
|
1595 |
capela |
946 |
/** |
1596 |
|
|
* Current total number of active voices: |
1597 |
|
|
* GET TOTAL_VOICE_COUNT |
1598 |
|
|
* |
1599 |
|
|
* @param pClient Pointer to client instance structure. |
1600 |
|
|
* |
1601 |
|
|
* @returns The total number of voices currently active, |
1602 |
|
|
* -1 in case of failure. |
1603 |
|
|
*/ |
1604 |
|
|
int lscp_get_total_voice_count ( lscp_client_t *pClient ) |
1605 |
|
|
{ |
1606 |
capela |
952 |
int iVoiceCount = -1; |
1607 |
capela |
946 |
|
1608 |
capela |
952 |
// Lock this section up. |
1609 |
|
|
lscp_mutex_lock(pClient->mutex); |
1610 |
capela |
946 |
|
1611 |
capela |
952 |
if (lscp_client_call(pClient, "GET TOTAL_VOICE_COUNT\r\n", 0) == LSCP_OK) |
1612 |
|
|
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
1613 |
capela |
946 |
|
1614 |
capela |
952 |
// Unlock this section down. |
1615 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1616 |
capela |
946 |
|
1617 |
capela |
952 |
return iVoiceCount; |
1618 |
capela |
946 |
} |
1619 |
|
|
|
1620 |
|
|
|
1621 |
|
|
/** |
1622 |
|
|
* Maximum amount of active voices: |
1623 |
|
|
* GET TOTAL_VOICE_COUNT_MAX |
1624 |
|
|
* |
1625 |
|
|
* @param pClient Pointer to client instance structure. |
1626 |
|
|
* |
1627 |
|
|
* @returns The maximum amount of voices currently active, |
1628 |
|
|
* -1 in case of failure. |
1629 |
|
|
*/ |
1630 |
|
|
int lscp_get_total_voice_count_max ( lscp_client_t *pClient ) |
1631 |
|
|
{ |
1632 |
capela |
952 |
int iVoiceCount = -1; |
1633 |
capela |
946 |
|
1634 |
capela |
952 |
// Lock this section up. |
1635 |
|
|
lscp_mutex_lock(pClient->mutex); |
1636 |
capela |
946 |
|
1637 |
capela |
952 |
if (lscp_client_call(pClient, "GET TOTAL_VOICE_COUNT_MAX\r\n", 0) == LSCP_OK) |
1638 |
|
|
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
1639 |
capela |
946 |
|
1640 |
capela |
952 |
// Unlock this section down. |
1641 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1642 |
capela |
946 |
|
1643 |
capela |
952 |
return iVoiceCount; |
1644 |
capela |
946 |
} |
1645 |
|
|
|
1646 |
|
|
|
1647 |
|
|
/** |
1648 |
|
|
* Create or replace a MIDI instrumnet map entry: |
1649 |
|
|
* MAP MIDI_INSTRUMENT <midi-bank-msb> <midi-bank-lsb> <midi-prog> |
1650 |
|
|
* <engine-name> <filename> <instr-index> <volume> <load-mode> [<name>] |
1651 |
|
|
* |
1652 |
|
|
* @param pClient Pointer to client instance structure. |
1653 |
|
|
* @param pMidiInstr MIDI instrument bank and program parameter key. |
1654 |
|
|
* @param pszEngineName Engine name. |
1655 |
|
|
* @param pszFileName Instrument file name. |
1656 |
|
|
* @param iInstrIndex Instrument index number. |
1657 |
|
|
* @param fVolume Reflects the master volume of the instrument as |
1658 |
|
|
* a positive floating point number, where a value |
1659 |
|
|
* less than 1.0 for attenuation, and greater than |
1660 |
|
|
* 1.0 for amplification. |
1661 |
|
|
* @param load_mode Instrument load life-time strategy, either |
1662 |
|
|
* @ref LSCP_LOAD_DEFAULT, or |
1663 |
|
|
* @ref LSCP_LOAD_ON_DEMAND, or |
1664 |
|
|
* @ref LSCP_LOAD_ON_DEMAND_HOLD, or |
1665 |
|
|
* @ref LSCP_LOAD_PERSISTENT. |
1666 |
|
|
* @param pszName Instrument custom name for the map entry. |
1667 |
|
|
* |
1668 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1669 |
|
|
*/ |
1670 |
|
|
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 ) |
1671 |
|
|
{ |
1672 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1673 |
|
|
|
1674 |
|
|
if (pMidiInstr->bank_msb < 0 || pMidiInstr->bank_msb > 127) |
1675 |
|
|
return LSCP_FAILED; |
1676 |
|
|
if (pMidiInstr->bank_lsb < 0 || pMidiInstr->bank_lsb > 127) |
1677 |
|
|
return LSCP_FAILED; |
1678 |
|
|
if (pMidiInstr->program < 0 || pMidiInstr->program > 127) |
1679 |
|
|
return LSCP_FAILED; |
1680 |
|
|
if (pszEngineName == NULL || pszFileName == NULL) |
1681 |
|
|
return LSCP_FAILED; |
1682 |
|
|
|
1683 |
|
|
if (fVolume < 0.0f) |
1684 |
|
|
fVolume = 1.0f; |
1685 |
|
|
|
1686 |
|
|
sprintf(szQuery, "MAP MIDI_INSTRUMENT %d %d %d %s '%s' %d %g", |
1687 |
|
|
pMidiInstr->bank_msb, pMidiInstr->bank_lsb, pMidiInstr->program, |
1688 |
|
|
pszEngineName, pszFileName, iInstrIndex, fVolume); |
1689 |
|
|
|
1690 |
|
|
switch (load_mode) { |
1691 |
|
|
case LSCP_LOAD_PERSISTENT: |
1692 |
|
|
strcat(szQuery, " PERSISTENT"); |
1693 |
|
|
break; |
1694 |
|
|
case LSCP_LOAD_ON_DEMAND_HOLD: |
1695 |
|
|
strcat(szQuery, " ON_DEMAND_HOLD"); |
1696 |
|
|
break; |
1697 |
|
|
case LSCP_LOAD_ON_DEMAND: |
1698 |
|
|
strcat(szQuery, " ON_DEMAND_HOLD"); |
1699 |
|
|
break; |
1700 |
|
|
case LSCP_LOAD_DEFAULT: |
1701 |
|
|
default: |
1702 |
|
|
break; |
1703 |
|
|
} |
1704 |
|
|
|
1705 |
|
|
if (pszName) |
1706 |
|
|
sprintf(szQuery + strlen(szQuery), " '%s'", pszName); |
1707 |
|
|
|
1708 |
|
|
strcat(szQuery, "\r\n"); |
1709 |
|
|
|
1710 |
|
|
return lscp_client_query(pClient, szQuery); |
1711 |
capela |
946 |
} |
1712 |
|
|
|
1713 |
|
|
|
1714 |
|
|
/** |
1715 |
|
|
* Remove an entry from the MIDI instrument map: |
1716 |
|
|
* UNMAP MIDI_INSTRUMENT <midi-bank-msb> <midi-bank-lsb> <midi-prog> |
1717 |
|
|
* |
1718 |
|
|
* @param pClient Pointer to client instance structure. |
1719 |
|
|
* @param pMidiInstr MIDI instrument bank and program parameter key. |
1720 |
|
|
* |
1721 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1722 |
|
|
*/ |
1723 |
|
|
lscp_status_t lscp_unmap_midi_instrument ( lscp_client_t *pClient, lscp_midi_instrument_t *pMidiInstr ) |
1724 |
|
|
{ |
1725 |
capela |
952 |
char szQuery[LSCP_BUFSIZ]; |
1726 |
capela |
946 |
|
1727 |
capela |
952 |
if (pMidiInstr->bank_msb < 0 || pMidiInstr->bank_msb > 127) |
1728 |
|
|
return LSCP_FAILED; |
1729 |
|
|
if (pMidiInstr->bank_lsb < 0 || pMidiInstr->bank_lsb > 127) |
1730 |
|
|
return LSCP_FAILED; |
1731 |
|
|
if (pMidiInstr->program < 0 || pMidiInstr->program > 127) |
1732 |
|
|
return LSCP_FAILED; |
1733 |
capela |
946 |
|
1734 |
capela |
952 |
sprintf(szQuery, "UNMAP MIDI_INSTRUMENT %d %d %d\r\n", |
1735 |
capela |
946 |
pMidiInstr->bank_msb, pMidiInstr->bank_lsb, pMidiInstr->program); |
1736 |
|
|
|
1737 |
capela |
952 |
return lscp_client_query(pClient, szQuery); |
1738 |
capela |
946 |
} |
1739 |
|
|
|
1740 |
|
|
|
1741 |
|
|
/** |
1742 |
|
|
* Get the total count of MIDI instrument map entries: |
1743 |
|
|
* GET MIDI_INSTRUMENTS |
1744 |
|
|
* |
1745 |
|
|
* @param pClient Pointer to client instance structure. |
1746 |
|
|
* |
1747 |
|
|
* @returns The current total number of MIDI instrument map entries |
1748 |
|
|
* on success, -1 otherwise. |
1749 |
|
|
*/ |
1750 |
|
|
int lscp_get_midi_instruments ( lscp_client_t *pClient ) |
1751 |
|
|
{ |
1752 |
capela |
952 |
int iInstruments = -1; |
1753 |
capela |
946 |
|
1754 |
capela |
952 |
// Lock this section up. |
1755 |
|
|
lscp_mutex_lock(pClient->mutex); |
1756 |
capela |
946 |
|
1757 |
capela |
952 |
if (lscp_client_call(pClient, "GET MIDI_INSTRUMENTS\r\n", 0) == LSCP_OK) |
1758 |
|
|
iInstruments = atoi(lscp_client_get_result(pClient)); |
1759 |
capela |
946 |
|
1760 |
capela |
952 |
// Unlock this section down. |
1761 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1762 |
capela |
946 |
|
1763 |
capela |
952 |
return iInstruments; |
1764 |
capela |
946 |
} |
1765 |
|
|
|
1766 |
|
|
|
1767 |
|
|
/** |
1768 |
capela |
948 |
* Getting indeces of all MIDI instrument map entries: |
1769 |
|
|
* LIST MIDI_INSTRUMENTS |
1770 |
|
|
* |
1771 |
|
|
* @param pClient Pointer to client instance structure. |
1772 |
|
|
* |
1773 |
|
|
* @returns An array of @ref lscp_midi_instrument_t, terminated with the |
1774 |
|
|
* {-1,-1,-1} triplet, NULL otherwise. |
1775 |
|
|
*/ |
1776 |
|
|
lscp_midi_instrument_t *lscp_list_midi_instruments ( lscp_client_t *pClient ) |
1777 |
|
|
{ |
1778 |
capela |
952 |
if (pClient == NULL) |
1779 |
|
|
return NULL; |
1780 |
capela |
948 |
|
1781 |
capela |
952 |
// Lock this section up. |
1782 |
|
|
lscp_mutex_lock(pClient->mutex); |
1783 |
capela |
948 |
|
1784 |
capela |
952 |
if (pClient->midi_instruments) { |
1785 |
|
|
lscp_midi_instruments_destroy(pClient->midi_instruments); |
1786 |
|
|
pClient->midi_instruments = NULL; |
1787 |
|
|
} |
1788 |
capela |
948 |
|
1789 |
capela |
952 |
if (lscp_client_call(pClient, "LIST MIDI_INSTRUMENTS\r\n", 0) == LSCP_OK) |
1790 |
|
|
pClient->midi_instruments = lscp_midi_instruments_create(lscp_client_get_result(pClient)); |
1791 |
capela |
948 |
|
1792 |
capela |
952 |
// Unlock this section down. |
1793 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1794 |
capela |
948 |
|
1795 |
capela |
952 |
return pClient->midi_instruments; |
1796 |
capela |
948 |
} |
1797 |
|
|
|
1798 |
|
|
|
1799 |
|
|
/** |
1800 |
capela |
946 |
* Getting information about a MIDI instrument map entry: |
1801 |
|
|
* GET MIDI_INSTRUMENT INFO <midi-bank-msb> <midi-bank-lsb> <midi-prog> |
1802 |
|
|
* |
1803 |
|
|
* @param pClient Pointer to client instance structure. |
1804 |
|
|
* @param pMidiInstr MIDI instrument bank and program parameter key. |
1805 |
|
|
* |
1806 |
|
|
* @returns A pointer to a @ref lscp_midi_instrument_info_t structure, |
1807 |
|
|
* with all the information of the given MIDI instrument map entry, |
1808 |
|
|
* or NULL in case of failure. |
1809 |
|
|
*/ |
1810 |
|
|
lscp_midi_instrument_info_t *lscp_get_midi_instrument_info ( lscp_client_t *pClient, lscp_midi_instrument_t *pMidiInstr ) |
1811 |
|
|
{ |
1812 |
capela |
952 |
lscp_midi_instrument_info_t *pInstrInfo; |
1813 |
|
|
char szQuery[LSCP_BUFSIZ]; |
1814 |
|
|
const char *pszResult; |
1815 |
|
|
const char *pszSeps = ":"; |
1816 |
|
|
const char *pszCrlf = "\r\n"; |
1817 |
|
|
char *pszToken; |
1818 |
|
|
char *pch; |
1819 |
|
|
|
1820 |
|
|
if (pMidiInstr->bank_msb < 0 || pMidiInstr->bank_msb > 127) |
1821 |
|
|
return NULL; |
1822 |
|
|
if (pMidiInstr->bank_lsb < 0 || pMidiInstr->bank_lsb > 127) |
1823 |
|
|
return NULL; |
1824 |
|
|
if (pMidiInstr->program < 0 || pMidiInstr->program > 127) |
1825 |
|
|
return NULL; |
1826 |
|
|
|
1827 |
|
|
// Lock this section up. |
1828 |
|
|
lscp_mutex_lock(pClient->mutex); |
1829 |
|
|
|
1830 |
|
|
pInstrInfo = &(pClient->midi_instrument_info); |
1831 |
|
|
lscp_midi_instrument_info_reset(pInstrInfo); |
1832 |
|
|
|
1833 |
|
|
sprintf(szQuery, "GET MIDI_INSTRUMENT INFO %d %d %d\r\n", |
1834 |
|
|
pMidiInstr->bank_msb, pMidiInstr->bank_lsb, pMidiInstr->program); |
1835 |
|
|
if (lscp_client_call(pClient, szQuery, 1) == LSCP_OK) { |
1836 |
|
|
pszResult = lscp_client_get_result(pClient); |
1837 |
|
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1838 |
|
|
while (pszToken) { |
1839 |
|
|
if (strcasecmp(pszToken, "NAME") == 0) { |
1840 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1841 |
|
|
if (pszToken) |
1842 |
|
|
lscp_unquote_dup(&(pInstrInfo->name), &pszToken); |
1843 |
|
|
} |
1844 |
|
|
else if (strcasecmp(pszToken, "ENGINE_NAME") == 0) { |
1845 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1846 |
|
|
if (pszToken) |
1847 |
|
|
lscp_unquote_dup(&(pInstrInfo->engine_name), &pszToken); |
1848 |
|
|
} |
1849 |
|
|
else if (strcasecmp(pszToken, "INSTRUMENT_FILE") == 0) { |
1850 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1851 |
|
|
if (pszToken) |
1852 |
|
|
lscp_unquote_dup(&(pInstrInfo->instrument_file), &pszToken); |
1853 |
|
|
} |
1854 |
|
|
else if (strcasecmp(pszToken, "INSTRUMENT_NR") == 0) { |
1855 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1856 |
|
|
if (pszToken) |
1857 |
|
|
pInstrInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
1858 |
|
|
} |
1859 |
|
|
else if (strcasecmp(pszToken, "INSTRUMENT_NAME") == 0) { |
1860 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1861 |
|
|
if (pszToken) |
1862 |
|
|
lscp_unquote_dup(&(pInstrInfo->instrument_name), &pszToken); |
1863 |
|
|
} |
1864 |
|
|
else if (strcasecmp(pszToken, "LOAD_MODE") == 0) { |
1865 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1866 |
|
|
if (pszToken) { |
1867 |
|
|
pszToken = lscp_ltrim(pszToken); |
1868 |
|
|
if (strcasecmp(pszToken, "ON_DEMAND") == 0) |
1869 |
|
|
pInstrInfo->load_mode = LSCP_LOAD_ON_DEMAND; |
1870 |
|
|
else |
1871 |
|
|
if (strcasecmp(pszToken, "ON_DEMAND_HOLD") == 0) |
1872 |
|
|
pInstrInfo->load_mode = LSCP_LOAD_ON_DEMAND_HOLD; |
1873 |
|
|
else |
1874 |
|
|
if (strcasecmp(pszToken, "PERSISTENT") == 0) |
1875 |
|
|
pInstrInfo->load_mode = LSCP_LOAD_PERSISTENT; |
1876 |
|
|
else |
1877 |
|
|
pInstrInfo->load_mode = LSCP_LOAD_DEFAULT; |
1878 |
|
|
} |
1879 |
|
|
} |
1880 |
|
|
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
1881 |
|
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1882 |
|
|
if (pszToken) |
1883 |
|
|
pInstrInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
1884 |
|
|
} |
1885 |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1886 |
|
|
} |
1887 |
|
|
} |
1888 |
|
|
else pInstrInfo = NULL; |
1889 |
|
|
|
1890 |
|
|
// Unlock this section down. |
1891 |
|
|
lscp_mutex_unlock(pClient->mutex); |
1892 |
|
|
|
1893 |
|
|
return pInstrInfo; |
1894 |
capela |
946 |
} |
1895 |
|
|
|
1896 |
|
|
|
1897 |
|
|
/** |
1898 |
|
|
* Clear the MIDI instrumnet map: |
1899 |
|
|
* CLEAR MIDI_INSTRUMENTS |
1900 |
|
|
* |
1901 |
capela |
952 |
* @param pClient Pointer to client instance structure. |
1902 |
capela |
946 |
* @param iSamplerChannel Sampler channel number. |
1903 |
|
|
* |
1904 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1905 |
|
|
*/ |
1906 |
|
|
lscp_status_t lscp_clear_midi_instruments ( lscp_client_t *pClient ) |
1907 |
|
|
{ |
1908 |
capela |
952 |
return lscp_client_query(pClient, "CLEAR MIDI_INSTRUMENTS\r\n"); |
1909 |
capela |
946 |
} |
1910 |
|
|
|
1911 |
|
|
|
1912 |
capela |
107 |
// end of client.c |