/[svn]/liblscp/trunk/examples/example_client.c
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Annotation of /liblscp/trunk/examples/example_client.c

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Mon May 9 10:17:12 2005 UTC (15 years ago) by capela
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* [bug #9] Fixed for a LSCP command syntax convention
consistency, regarding the enumeration of available
sampler engines, Audio and MIDI drivers; this has
affected the signature of the following functions:
  lscp_get_available_engines();
  lscp_get_available_audio_drivers();
  lscp_get_available_midi_drivers();
which are now returning an integer count of engines
and drivers, respectively, while the following
functions are now being introduced:
  lscp_list_available_engines();
  lscp_list_available_audio_drivers();
  lscp_list_available_midi_drivers();
taking on the previous functionality, returning
a comma separated list of names.

1 capela 103 // example_client.c
2     //
3     /****************************************************************************
4 capela 380 Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved.
5 capela 103
6     This program is free software; you can redistribute it and/or
7     modify it under the terms of the GNU General Public License
8     as published by the Free Software Foundation; either version 2
9     of the License, or (at your option) any later version.
10    
11     This program is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     GNU General Public License for more details.
15    
16     You should have received a copy of the GNU General Public License
17     along with this program; if not, write to the Free Software
18     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19    
20     *****************************************************************************/
21    
22     #include "lscp/client.h"
23     #include "lscp/device.h"
24    
25     #include <time.h>
26    
27     #define SERVER_PORT 8888
28    
29     #if defined(WIN32)
30     static WSADATA _wsaData;
31     #endif
32    
33     ////////////////////////////////////////////////////////////////////////
34    
35 capela 147 lscp_status_t client_callback ( lscp_client_t *pClient, lscp_event_t event, const char *pchData, int cchData, void *pvData )
36 capela 103 {
37 capela 147 lscp_status_t ret = LSCP_FAILED;
38 capela 103
39 capela 147 char *pszData = (char *) malloc(cchData + 1);
40     if (pszData) {
41     memcpy(pszData, pchData, cchData);
42     pszData[cchData] = (char) 0;
43     printf("client_callback: event=%s (0x%04x) [%s]\n", lscp_event_to_text(event), (int) event, pszData);
44     free(pszData);
45     ret = LSCP_OK;
46 capela 103 }
47    
48     return ret;
49     }
50    
51     ////////////////////////////////////////////////////////////////////////
52    
53 capela 188 int client_test_int ( int i )
54 capela 187 {
55     printf("%d\n", i);
56 capela 188 return (i >= 0 ? 0 : 1);
57 capela 187 }
58    
59 capela 189
60 capela 188 int client_test_status ( lscp_status_t s )
61 capela 187 {
62     const char *pszStatus;
63 capela 188
64 capela 187 switch (s) {
65     case LSCP_OK: pszStatus = "OK"; break;
66     case LSCP_FAILED: pszStatus = "FAILED"; break;
67     case LSCP_ERROR: pszStatus = "ERROR"; break;
68     case LSCP_WARNING: pszStatus = "WARNING"; break;
69     case LSCP_TIMEOUT: pszStatus = "TIMEOUT"; break;
70     case LSCP_QUIT: pszStatus = "QUIT"; break;
71     default: pszStatus = "NONE"; break;
72     }
73     printf("%s\n", pszStatus);
74 capela 188 return (s == LSCP_OK ? 0 : 1);
75 capela 187 }
76    
77    
78 capela 188 int client_test_isplit ( int *piSplit )
79 capela 187 {
80     int i;
81    
82     printf("{");
83     for (i = 0; piSplit && piSplit[i] >= 0; i++) {
84     if (i > 0)
85     printf(",");
86     printf(" %d", piSplit[i]);
87     }
88     printf(" }\n");
89 capela 188 return 0;
90 capela 187 }
91    
92 capela 189
93 capela 188 int client_test_szsplit ( char **ppszSplit )
94 capela 187 {
95     int i;
96    
97     printf("{");
98     for (i = 0; ppszSplit && ppszSplit[i]; i++) {
99     if (i > 0)
100     printf(",");
101     printf(" %s", ppszSplit[i]);
102     }
103     printf(" }\n");
104 capela 188 return 0;
105 capela 187 }
106    
107 capela 189
108 capela 188 int client_test_params ( lscp_param_t *pParams )
109 capela 187 {
110     int i;
111    
112     printf("{");
113     for (i = 0; pParams && pParams[i].key; i++) {
114     if (i > 0)
115     printf(",");
116     printf(" %s='%s'", pParams[i].key, pParams[i].value);
117     }
118     printf(" }\n");
119 capela 188 return 0;
120 capela 187 }
121    
122 capela 189
123 capela 188 int client_test_param_info ( lscp_param_info_t *pParamInfo )
124 capela 187 {
125     const char *pszType;
126    
127     if (pParamInfo == NULL) {
128     printf("(nil)\n");
129 capela 188 return 1;
130 capela 187 }
131     switch (pParamInfo->type) {
132     case LSCP_TYPE_BOOL: pszType = "BOOL"; break;
133     case LSCP_TYPE_INT: pszType = "INT"; break;
134     case LSCP_TYPE_FLOAT: pszType = "FLOAT"; break;
135     case LSCP_TYPE_STRING: pszType = "STRING"; break;
136     default: pszType = "NONE"; break;
137     }
138     printf("{\n");
139     printf(" param_info.type = %d (%s)\n", (int) pParamInfo->type, pszType);
140     printf(" param_info.description = %s\n", pParamInfo->description);
141     printf(" param_info.mandatory = %d\n", pParamInfo->mandatory);
142     printf(" param_info.fix = %d\n", pParamInfo->fix);
143     printf(" param_info.multiplicity = %d\n", pParamInfo->multiplicity);
144     printf(" param_info.depends = "); client_test_szsplit(pParamInfo->depends);
145     printf(" param_info.defaultv = %s\n", pParamInfo->defaultv);
146     printf(" param_info.range_min = %s\n", pParamInfo->range_min);
147     printf(" param_info.range_max = %s\n", pParamInfo->range_max);
148     printf(" param_info.possibilities = "); client_test_szsplit(pParamInfo->possibilities);
149     printf(" }\n");
150 capela 188 return 0;
151 capela 187 }
152    
153 capela 189
154 capela 188 int client_test_driver_info ( lscp_driver_info_t *pDriverInfo )
155 capela 187 {
156     if (pDriverInfo == NULL) {
157     printf("(nil)\n");
158 capela 188 return 1;
159 capela 187 }
160     printf("{\n");
161     printf(" driver_info.description = %s\n", pDriverInfo->description);
162     printf(" driver_info.version = %s\n", pDriverInfo->version);
163     printf(" driver_info.parameters = "); client_test_szsplit(pDriverInfo->parameters);
164     printf(" }\n");
165 capela 188 return 0;
166 capela 187 }
167    
168 capela 189
169 capela 188 int client_test_device_info ( lscp_device_info_t *pDeviceInfo )
170 capela 187 {
171     if (pDeviceInfo == NULL) {
172     printf("(nil)\n");
173 capela 188 return 1;
174 capela 187 }
175     printf("{\n");
176     printf(" device_info.driver = %s\n", pDeviceInfo->driver);
177     printf(" device_info.params = "); client_test_params(pDeviceInfo->params);
178     printf(" }\n");
179 capela 188 return 0;
180 capela 187 }
181    
182 capela 189
183 capela 188 int client_test_device_port_info ( lscp_device_port_info_t *pDevicePortInfo )
184 capela 187 {
185     if (pDevicePortInfo == NULL) {
186     printf("(nil)\n");
187 capela 188 return 1;
188 capela 187 }
189     printf("{\n");
190     printf(" device_port_info.name = %s\n", pDevicePortInfo->name);
191     printf(" device_port_info.params = "); client_test_params(pDevicePortInfo->params);
192     printf(" }\n");
193 capela 188 return 0;
194 capela 187 }
195    
196 capela 189
197 capela 188 int client_test_engine_info ( lscp_engine_info_t *pEngineInfo )
198 capela 187 {
199     if (pEngineInfo == NULL) {
200     printf("(nil)\n");
201 capela 188 return 1;
202 capela 187 }
203     printf("{\n");
204     printf(" engine_info.description = %s\n", pEngineInfo->description);
205     printf(" engine_info.version = %s\n", pEngineInfo->version);
206     printf(" }\n");
207 capela 188 return 0;
208 capela 187 }
209    
210 capela 189
211 capela 188 int client_test_channel_info ( lscp_channel_info_t *pChannelInfo )
212 capela 187 {
213     if (pChannelInfo == NULL) {
214     printf("(nil)\n");
215 capela 188 return 1;
216 capela 187 }
217     printf("{\n");
218     printf(" channel_info.engine_name = %s\n", pChannelInfo->engine_name);
219     printf(" channel_info.audio_device = %d\n", pChannelInfo->audio_device);
220     printf(" channel_info.audio_channels = %d\n", pChannelInfo->audio_channels);
221     printf(" channel_info.audio_routing = "); client_test_szsplit(pChannelInfo->audio_routing);
222     printf(" channel_info.instrument_file = %s\n", pChannelInfo->instrument_file);
223     printf(" channel_info.instrument_nr = %d\n", pChannelInfo->instrument_nr);
224 capela 380 printf(" channel_info.instrument_name = %s\n", pChannelInfo->instrument_name);
225 capela 187 printf(" channel_info.instrument_status = %d\n", pChannelInfo->instrument_status);
226     printf(" channel_info.midi_device = %d\n", pChannelInfo->midi_device);
227     printf(" channel_info.midi_port = %d\n", pChannelInfo->midi_port);
228     printf(" channel_info.midi_channel = %d\n", pChannelInfo->midi_channel);
229     printf(" channel_info.volume = %g\n", pChannelInfo->volume);
230     printf(" }\n");
231 capela 188 return 0;
232 capela 187 }
233    
234 capela 189
235 capela 188 int client_test_buffer_fill ( lscp_buffer_fill_t *pBufferFill )
236 capela 187 {
237 capela 188 if (pBufferFill == NULL) {
238     printf("(nil)\n");
239     return 1;
240     }
241 capela 187 printf("{ <%p> }\n", pBufferFill);
242 capela 188 return 0;
243 capela 187 }
244    
245 capela 189
246 capela 187 ////////////////////////////////////////////////////////////////////////
247    
248 capela 188 static int g_test_step = 0;
249     static int g_test_count = 0;
250     static int g_test_fails = 0;
251 capela 187
252 capela 188
253 capela 103 void client_test_start ( clock_t *pclk ) { *pclk = clock(); }
254     float client_test_elapsed ( clock_t *pclk ) { return (float) ((long) clock() - *pclk) / (float) CLOCKS_PER_SEC; }
255    
256 capela 187 typedef int * isplit;
257     typedef char ** szsplit;
258     typedef lscp_status_t status;
259     typedef lscp_driver_info_t * driver_info;
260     typedef lscp_device_info_t * device_info;
261     typedef lscp_device_port_info_t * device_port_info;
262     typedef lscp_param_info_t * param_info;
263     typedef lscp_engine_info_t * engine_info;
264     typedef lscp_channel_info_t * channel_info;
265     typedef lscp_buffer_fill_t * buffer_fill;
266 capela 103
267 capela 188 #define CLIENT_TEST(p, t, x) { clock_t c; void *v; g_test_count++; \
268 capela 187 printf("\n" #x ":\n"); client_test_start(&c); v = (void *) (x); \
269     printf(" elapsed=%gs errno=%d result='%s...' ret=", \
270     client_test_elapsed(&c), \
271     lscp_client_get_errno(p), \
272     lscp_client_get_result(p)); \
273 capela 188 if (client_test_##t((t)(v))) { g_test_fails++; getchar(); } \
274     else if (g_test_step) getchar(); }
275 capela 187
276    
277 capela 189 void client_test_engine ( lscp_client_t *pClient, const char *pszEngine, const char *pszAudioDriver, int iAudioDevice, const char *pszMidiDriver, int iMidiDevice )
278 capela 103 {
279 capela 189 int iSamplerChannel;
280    
281     printf("\n--- pszEngine=\"%s\" pszAudioDevice=\"%s\" iAudioDevice=%d pszMidiDevice=\"%s\" iMidiDevice=%d ---\n", pszEngine, pszAudioDriver, iAudioDevice, pszMidiDriver, iMidiDevice);
282     CLIENT_TEST(pClient, engine_info, lscp_get_engine_info(pClient, pszEngine));
283     CLIENT_TEST(pClient, int, lscp_get_channels(pClient));
284     CLIENT_TEST(pClient, isplit, lscp_list_channels(pClient));
285     CLIENT_TEST(pClient, int, iSamplerChannel = lscp_add_channel(pClient));
286     printf("\n--- iSamplerChannel=%d ---\n", iSamplerChannel);
287     CLIENT_TEST(pClient, channel_info, lscp_get_channel_info(pClient, iSamplerChannel));
288     CLIENT_TEST(pClient, status, lscp_load_engine(pClient, pszEngine, iSamplerChannel));
289     CLIENT_TEST(pClient, status, lscp_load_instrument(pClient, "DefaultInstrument.gig", 0, iSamplerChannel));
290     CLIENT_TEST(pClient, int, lscp_get_channel_voice_count(pClient, iSamplerChannel));
291     CLIENT_TEST(pClient, int, lscp_get_channel_stream_count(pClient, iSamplerChannel));
292     CLIENT_TEST(pClient, int, lscp_get_channel_stream_usage(pClient, iSamplerChannel));
293     CLIENT_TEST(pClient, buffer_fill, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_BYTES, iSamplerChannel));
294     CLIENT_TEST(pClient, buffer_fill, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_PERCENTAGE, iSamplerChannel));
295     CLIENT_TEST(pClient, status, lscp_set_channel_audio_type(pClient, iSamplerChannel, pszAudioDriver));
296     CLIENT_TEST(pClient, status, lscp_set_channel_audio_device(pClient, iSamplerChannel, 0));
297     CLIENT_TEST(pClient, status, lscp_set_channel_audio_channel(pClient, iSamplerChannel, 0, 1));
298     CLIENT_TEST(pClient, status, lscp_set_channel_midi_type(pClient, iSamplerChannel, pszMidiDriver));
299     CLIENT_TEST(pClient, status, lscp_set_channel_midi_device(pClient, iSamplerChannel, 0));
300     CLIENT_TEST(pClient, status, lscp_set_channel_midi_channel(pClient, iSamplerChannel, 0));
301     CLIENT_TEST(pClient, status, lscp_set_channel_midi_port(pClient, iSamplerChannel, 0));
302     CLIENT_TEST(pClient, status, lscp_set_channel_volume(pClient, iSamplerChannel, 0.5));
303     CLIENT_TEST(pClient, channel_info, lscp_get_channel_info(pClient, iSamplerChannel));
304     CLIENT_TEST(pClient, status, lscp_reset_channel(pClient, iSamplerChannel));
305     CLIENT_TEST(pClient, status, lscp_remove_channel(pClient, iSamplerChannel));
306     }
307    
308    
309     void client_test_midi_port ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort )
310     {
311     lscp_device_port_info_t *pMidiPortInfo;
312     const char *pszParam;
313     int i;
314    
315     printf("\n--- iMidiDevice=%d iMidiPort=%d ---\n", iMidiDevice, iMidiPort);
316     CLIENT_TEST(pClient, device_port_info, pMidiPortInfo = lscp_get_midi_port_info(pClient, iMidiDevice, iMidiPort));
317     if (pMidiPortInfo && pMidiPortInfo->params) {
318     for (i = 0; pMidiPortInfo->params[i].key; i++) {
319     pszParam = pMidiPortInfo->params[i].key;
320     printf("\n--- iMidiDevice=%d iMidiPort=%d pszParam=\"%s\" ---\n", iMidiDevice, iMidiPort, pszParam);
321     CLIENT_TEST(pClient, param_info, lscp_get_midi_port_param_info(pClient, iMidiDevice, iMidiPort, pszParam));
322     }
323     }
324     }
325    
326    
327     void client_test_audio_channel ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel )
328     {
329     lscp_device_port_info_t *pAudioChannelInfo;
330     const char *pszParam;
331     int i;
332    
333     printf("\n--- iAudioDevice=%d iAudioChannel=%d ---\n", iAudioDevice, iAudioChannel);
334     CLIENT_TEST(pClient, device_port_info, pAudioChannelInfo = lscp_get_audio_channel_info(pClient, iAudioDevice, iAudioChannel));
335     if (pAudioChannelInfo && pAudioChannelInfo->params) {
336     for (i = 0; pAudioChannelInfo->params[i].key; i++) {
337     pszParam = pAudioChannelInfo->params[i].key;
338     printf("\n--- iAudioDevice=%d iAudioChannel=%d pszParam=\"%s\" ---\n", iAudioDevice, iAudioChannel, pszParam);
339     CLIENT_TEST(pClient, param_info, lscp_get_audio_channel_param_info(pClient, iAudioDevice, iAudioChannel, pszParam));
340     }
341     }
342     }
343    
344    
345     void client_test_midi_device ( lscp_client_t *pClient, int iMidiDevice )
346     {
347     lscp_device_info_t *pDeviceInfo;
348     const char *pszValue;
349     int iMidiPort, iMidiPorts;
350    
351     printf("\n--- iMidiDevice=%d ---\n", iMidiDevice);
352     CLIENT_TEST(pClient, device_info, pDeviceInfo = lscp_get_midi_device_info(pClient, iMidiDevice));
353     if (pDeviceInfo && pDeviceInfo->params) {
354     pszValue = lscp_get_param_value(pDeviceInfo->params, "ports");
355     if (pszValue) {
356     iMidiPorts = atoi(pszValue);
357     for (iMidiPort = 0; iMidiPort < iMidiPorts; iMidiPort++)
358     client_test_midi_port(pClient, iMidiDevice, iMidiPort);
359     }
360     }
361     }
362    
363    
364     void client_test_audio_device ( lscp_client_t *pClient, int iAudioDevice )
365     {
366     lscp_device_info_t *pDeviceInfo;
367     const char *pszValue;
368     int iAudioChannel, iAudioChannels;
369    
370     printf("\n--- iAudioDevice=%d ---\n", iAudioDevice);
371     CLIENT_TEST(pClient, device_info, pDeviceInfo = lscp_get_audio_device_info(pClient, iAudioDevice));
372     if (pDeviceInfo && pDeviceInfo->params) {
373     pszValue = lscp_get_param_value(pDeviceInfo->params, "channels");
374     if (pszValue) {
375     iAudioChannels = atoi(pszValue);
376     for (iAudioChannel = 0; iAudioChannel < iAudioChannels; iAudioChannel++)
377     client_test_audio_channel(pClient, iAudioDevice, iAudioChannel);
378     }
379     }
380     }
381    
382    
383     void client_test_midi_driver ( lscp_client_t *pClient, const char *pszMidiDriver )
384     {
385     lscp_driver_info_t *pDriverInfo;
386     const char *pszParam;
387     int i;
388    
389     printf("\n--- pszMidiDriver=\"%s\" ---\n", pszMidiDriver);
390     CLIENT_TEST(pClient, driver_info, pDriverInfo = lscp_get_midi_driver_info(pClient, pszMidiDriver));
391     if (pDriverInfo && pDriverInfo->parameters) {
392     for (i = 0; pDriverInfo->parameters[i]; i++) {
393     pszParam = pDriverInfo->parameters[i];
394     printf("\n--- pszMidiDriver=\"%s\" pszParam=\"%s\" ---\n", pszMidiDriver, pszParam);
395     CLIENT_TEST(pClient, param_info, lscp_get_midi_driver_param_info(pClient, pszMidiDriver, pszParam, NULL));
396     }
397     }
398     }
399    
400    
401     void client_test_audio_driver ( lscp_client_t *pClient, const char *pszAudioDriver )
402     {
403     lscp_driver_info_t *pDriverInfo;
404     const char *pszParam;
405     int i;
406    
407     printf("\n--- pszAudioDriver=\"%s\" ---\n", pszAudioDriver);
408     CLIENT_TEST(pClient, driver_info, pDriverInfo = lscp_get_audio_driver_info(pClient, pszAudioDriver));
409     if (pDriverInfo && pDriverInfo->parameters) {
410     for (i = 0; pDriverInfo->parameters[i]; i++) {
411     pszParam = pDriverInfo->parameters[i];
412     printf("\n--- pszAudioDriver=\"%s\" pszParam=\"%s\" ---\n", pszAudioDriver, pszParam);
413     CLIENT_TEST(pClient, param_info, lscp_get_audio_driver_param_info(pClient, pszAudioDriver, pszParam, NULL));
414     }
415     }
416     }
417    
418    
419 capela 213 void client_test_all ( lscp_client_t *pClient, int step )
420 capela 189 {
421 capela 103 const char **ppszAudioDrivers, **ppszMidiDrivers, **ppszEngines;
422     const char *pszAudioDriver, *pszMidiDriver, *pszEngine;
423     int iAudioDriver, iMidiDriver, iEngine;
424 capela 189 int iAudio, iAudioDevice, iMidi, iMidiDevice;
425     int iNewAudioDevice, iNewMidiDevice;
426     int *piAudioDevices, *piMidiDevices;
427 capela 103
428 capela 213 g_test_step = step;
429 capela 188 g_test_count = 0;
430     g_test_fails = 0;
431    
432 capela 523 CLIENT_TEST(pClient, int, lscp_get_available_audio_drivers(pClient));
433     CLIENT_TEST(pClient, szsplit, ppszAudioDrivers = lscp_list_available_audio_drivers(pClient));
434 capela 103 if (ppszAudioDrivers == NULL) {
435     fprintf(stderr, "client_test: No audio drivers available.\n");
436     return;
437     }
438    
439 capela 523 CLIENT_TEST(pClient, int, lscp_get_available_midi_drivers(pClient));
440     CLIENT_TEST(pClient, szsplit, ppszMidiDrivers = lscp_list_available_midi_drivers(pClient));
441 capela 103 if (ppszMidiDrivers == NULL) {
442     fprintf(stderr, "client_test: No MIDI drivers available.\n");
443     return;
444     }
445    
446 capela 523 CLIENT_TEST(pClient, int, lscp_get_available_engines(pClient));
447     CLIENT_TEST(pClient, szsplit, ppszEngines = lscp_list_available_engines(pClient));
448 capela 103 if (ppszEngines == NULL) {
449     fprintf(stderr, "client_test: No engines available.\n");
450     return;
451     }
452    
453     for (iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++) {
454 capela 189 pszAudioDriver = ppszAudioDrivers[iAudioDriver];
455     client_test_audio_driver(pClient, pszAudioDriver);
456     CLIENT_TEST(pClient, int, iNewAudioDevice = lscp_create_audio_device(pClient, pszAudioDriver, NULL));
457     CLIENT_TEST(pClient, int, lscp_get_audio_devices(pClient));
458     CLIENT_TEST(pClient, isplit, piAudioDevices = lscp_list_audio_devices(pClient));
459     for (iAudio = 0; piAudioDevices && piAudioDevices[iAudio] >= 0; iAudio++) {
460     iAudioDevice = piAudioDevices[iAudio];
461     client_test_audio_device(pClient, iAudioDevice);
462     for (iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++) {
463     pszMidiDriver = ppszMidiDrivers[iMidiDriver];
464     client_test_midi_driver(pClient, pszMidiDriver);
465     CLIENT_TEST(pClient, int, iNewMidiDevice = lscp_create_midi_device(pClient, pszMidiDriver, NULL));
466     CLIENT_TEST(pClient, int, lscp_get_midi_devices(pClient));
467     CLIENT_TEST(pClient, isplit, piMidiDevices = lscp_list_midi_devices(pClient));
468     for (iMidi = 0; piMidiDevices && piMidiDevices[iMidi] >= 0; iMidi++) {
469     iMidiDevice = piMidiDevices[iMidi];
470     client_test_midi_device(pClient, iMidiDevice);
471     for (iEngine = 0; ppszEngines[iEngine]; iEngine++) {
472     pszEngine = ppszEngines[iEngine];
473     client_test_engine(pClient, pszEngine, pszAudioDriver, iAudioDevice, pszMidiDriver, iMidiDevice);
474     }
475     }
476     CLIENT_TEST(pClient, status, lscp_destroy_midi_device(pClient, iNewMidiDevice));
477     }
478     }
479     CLIENT_TEST(pClient, status, lscp_destroy_audio_device(pClient, iNewAudioDevice));
480 capela 103 }
481 capela 213
482     CLIENT_TEST(pClient, status, lscp_reset_sampler(pClient));
483    
484 capela 189 printf("\n\n");
485 capela 188 printf(" Total: %d tests, %d failed.\n\n", g_test_count, g_test_fails);
486 capela 103 }
487    
488 capela 189
489 capela 103 ////////////////////////////////////////////////////////////////////////
490    
491     void client_usage (void)
492     {
493     printf("\n %s %s (Build: %s)\n", lscp_client_package(), lscp_client_version(), lscp_client_build());
494    
495 capela 188 fputs("\n Available commands: help, test[step], exit, quit, subscribe, unsubscribe", stdout);
496 capela 103 fputs("\n (all else are sent verbatim to server)\n\n", stdout);
497    
498     }
499    
500     void client_prompt (void)
501     {
502     fputs("lscp_client> ", stdout);
503     }
504    
505     int main (int argc, char *argv[] )
506     {
507     lscp_client_t *pClient;
508     char *pszHost = "localhost";
509     char szLine[1024];
510     int cchLine;
511     lscp_status_t ret;
512    
513     #if defined(WIN32)
514     if (WSAStartup(MAKEWORD(1, 1), &_wsaData) != 0) {
515     fprintf(stderr, "lscp_client: WSAStartup failed.\n");
516     return -1;
517     }
518     #endif
519    
520     if (argc > 1)
521     pszHost = argv[1];
522    
523     pClient = lscp_client_create(pszHost, SERVER_PORT, client_callback, NULL);
524     if (pClient == NULL)
525     return -1;
526    
527     client_usage();
528     client_prompt();
529    
530     while (fgets(szLine, sizeof(szLine) - 3, stdin)) {
531    
532     cchLine = strlen(szLine);
533     while (cchLine > 0 && (szLine[cchLine - 1] == '\n' || szLine[cchLine - 1] == '\r'))
534     cchLine--;
535     szLine[cchLine] = '\0';
536    
537     if (strcmp(szLine, "exit") == 0 || strcmp(szLine, "quit") == 0)
538     break;
539     else
540     if (strcmp(szLine, "subscribe") == 0)
541 capela 146 lscp_client_subscribe(pClient, LSCP_EVENT_MISCELLANEOUS);
542 capela 103 else
543     if (strcmp(szLine, "unsubscribe") == 0)
544 capela 146 lscp_client_unsubscribe(pClient, LSCP_EVENT_MISCELLANEOUS);
545 capela 103 else
546     if (strcmp(szLine, "test") == 0)
547 capela 213 client_test_all(pClient, 0);
548 capela 103 else
549 capela 213 if (strcmp(szLine, "teststep") == 0 || strcmp(szLine, "test step") == 0)
550     client_test_all(pClient, 1);
551 capela 187 else
552 capela 103 if (cchLine > 0 && strcmp(szLine, "help") != 0) {
553     szLine[cchLine++] = '\r';
554     szLine[cchLine++] = '\n';
555     szLine[cchLine] = '\0';
556     ret = lscp_client_query(pClient, szLine);
557     printf("%s\n(errno = %d)\n", lscp_client_get_result(pClient), lscp_client_get_errno(pClient));
558     if (ret == LSCP_QUIT)
559     break;
560     }
561     else client_usage();
562    
563     client_prompt();
564     }
565    
566     lscp_client_destroy(pClient);
567    
568     #if defined(WIN32)
569     WSACleanup();
570     #endif
571    
572     return 0;
573     }
574    
575     // end of example_client.c

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