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// example_client.c |
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// |
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/**************************************************************************** |
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Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
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|
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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|
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*****************************************************************************/ |
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|
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#include "lscp/client.h" |
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#include "lscp/device.h" |
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|
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#include <time.h> |
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|
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#define SERVER_PORT 8888 |
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|
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#if defined(WIN32) |
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static WSADATA _wsaData; |
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#endif |
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|
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//////////////////////////////////////////////////////////////////////// |
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|
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lscp_status_t client_callback ( lscp_client_t *pClient, lscp_event_t event, const char *pchData, int cchData, void *pvData ) |
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{ |
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lscp_status_t ret = LSCP_FAILED; |
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|
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char *pszData = (char *) malloc(cchData + 1); |
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if (pszData) { |
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memcpy(pszData, pchData, cchData); |
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pszData[cchData] = (char) 0; |
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printf("client_callback: event=%s (0x%04x) [%s]\n", lscp_event_to_text(event), (int) event, pszData); |
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free(pszData); |
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ret = LSCP_OK; |
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} |
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|
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return ret; |
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} |
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|
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//////////////////////////////////////////////////////////////////////// |
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|
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void client_test_start ( clock_t *pclk ) { *pclk = clock(); } |
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float client_test_elapsed ( clock_t *pclk ) { return (float) ((long) clock() - *pclk) / (float) CLOCKS_PER_SEC; } |
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|
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#define CLIENT_TEST(p, x) { clock_t c; void *v;\ |
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printf(#x ":\n"); client_test_start(&c); v = (void *) (x); \ |
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printf(" elapsed=%gs\n", client_test_elapsed(&c)); \ |
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printf(" ret=%p (%d)\n", v, (int) v); \ |
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printf(" errno=%d\n", lscp_client_get_errno(p)); \ |
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printf(" result=\"%s\"\n", lscp_client_get_result(p)); } |
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|
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void client_test ( lscp_client_t *pClient ) |
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{ |
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const char **ppszAudioDrivers, **ppszMidiDrivers, **ppszEngines; |
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const char *pszAudioDriver, *pszMidiDriver, *pszEngine; |
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int iAudioDriver, iMidiDriver, iEngine; |
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int iAudioDevice, iMidiDevice; |
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int iSamplerChannel; |
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|
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CLIENT_TEST(pClient, ppszAudioDrivers = lscp_get_available_audio_drivers(pClient)); |
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if (ppszAudioDrivers == NULL) { |
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fprintf(stderr, "client_test: No audio drivers available.\n"); |
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return; |
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} |
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|
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CLIENT_TEST(pClient, ppszMidiDrivers = lscp_get_available_midi_drivers(pClient)); |
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if (ppszMidiDrivers == NULL) { |
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fprintf(stderr, "client_test: No MIDI drivers available.\n"); |
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return; |
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} |
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|
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CLIENT_TEST(pClient, ppszEngines = lscp_get_available_engines(pClient)); |
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if (ppszEngines == NULL) { |
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fprintf(stderr, "client_test: No engines available.\n"); |
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return; |
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} |
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|
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CLIENT_TEST(pClient, lscp_get_audio_devices(pClient)); |
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CLIENT_TEST(pClient, lscp_list_audio_devices(pClient)); |
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|
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CLIENT_TEST(pClient, lscp_get_midi_devices(pClient)); |
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CLIENT_TEST(pClient, lscp_list_midi_devices(pClient)); |
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|
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for (iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++) { |
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pszAudioDriver = ppszAudioDrivers[iAudioDriver]; |
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printf("\n--- pszAudioDriver=\"%s\" ---\n", pszAudioDriver); |
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CLIENT_TEST(pClient, lscp_get_audio_driver_info(pClient, pszAudioDriver)); |
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CLIENT_TEST(pClient, lscp_get_audio_driver_param_info(pClient, pszAudioDriver, "active", NULL)); |
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CLIENT_TEST(pClient, iAudioDevice = lscp_create_audio_device(pClient, pszAudioDriver, NULL)); |
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CLIENT_TEST(pClient, lscp_get_audio_device_info(pClient, iAudioDevice)); |
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for (iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++) { |
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pszMidiDriver = ppszMidiDrivers[iMidiDriver]; |
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printf("\n--- pszMidiDriver=\"%s\" ---\n", pszMidiDriver); |
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CLIENT_TEST(pClient, lscp_get_midi_driver_info(pClient, pszMidiDriver)); |
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CLIENT_TEST(pClient, lscp_get_midi_driver_param_info(pClient, pszMidiDriver, "active", NULL)); |
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CLIENT_TEST(pClient, iMidiDevice = lscp_create_midi_device(pClient, pszMidiDriver, NULL)); |
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CLIENT_TEST(pClient, lscp_get_midi_device_info(pClient, iMidiDevice)); |
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for (iEngine = 0; ppszEngines[iEngine]; iEngine++) { |
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pszEngine = ppszEngines[iEngine]; |
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printf("\n--- pszEngine=\"%s\" ---\n", pszEngine); |
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CLIENT_TEST(pClient, lscp_get_engine_info(pClient, pszEngine)); |
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CLIENT_TEST(pClient, lscp_get_channels(pClient)); |
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CLIENT_TEST(pClient, lscp_list_channels(pClient)); |
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CLIENT_TEST(pClient, iSamplerChannel = lscp_add_channel(pClient)); |
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printf(">>> iSamplerChannel=\"%d\"\n", iSamplerChannel); |
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CLIENT_TEST(pClient, lscp_get_channel_info(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_load_engine(pClient, pszEngine, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_load_instrument(pClient, "DefaultInstrument.gig", 0, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_get_channel_voice_count(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_get_channel_stream_count(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_get_channel_stream_usage(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_BYTES, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_PERCENTAGE, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_set_channel_audio_type(pClient, iSamplerChannel, pszAudioDriver)); |
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CLIENT_TEST(pClient, lscp_set_channel_audio_device(pClient, iSamplerChannel, 0)); |
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CLIENT_TEST(pClient, lscp_set_channel_audio_channel(pClient, iSamplerChannel, 0, 1)); |
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CLIENT_TEST(pClient, lscp_set_channel_midi_type(pClient, iSamplerChannel, pszMidiDriver)); |
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CLIENT_TEST(pClient, lscp_set_channel_midi_device(pClient, iSamplerChannel, 0)); |
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CLIENT_TEST(pClient, lscp_set_channel_midi_channel(pClient, iSamplerChannel, 0)); |
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CLIENT_TEST(pClient, lscp_set_channel_midi_port(pClient, iSamplerChannel, 0)); |
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CLIENT_TEST(pClient, lscp_set_channel_volume(pClient, iSamplerChannel, 0.5)); |
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CLIENT_TEST(pClient, lscp_get_channel_info(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_reset_channel(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, lscp_remove_channel(pClient, iSamplerChannel)); |
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printf("\n"); |
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} |
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CLIENT_TEST(pClient, lscp_destroy_midi_device(pClient, iMidiDevice)); |
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} |
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CLIENT_TEST(pClient, lscp_destroy_audio_device(pClient, iAudioDevice)); |
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} |
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|
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} |
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|
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//////////////////////////////////////////////////////////////////////// |
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|
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void client_usage (void) |
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{ |
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printf("\n %s %s (Build: %s)\n", lscp_client_package(), lscp_client_version(), lscp_client_build()); |
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|
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fputs("\n Available client commands: help, test, exit, quit, subscribe, unsubscribe", stdout); |
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fputs("\n (all else are sent verbatim to server)\n\n", stdout); |
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|
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} |
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|
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void client_prompt (void) |
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{ |
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fputs("lscp_client> ", stdout); |
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} |
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|
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int main (int argc, char *argv[] ) |
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{ |
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lscp_client_t *pClient; |
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char *pszHost = "localhost"; |
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char szLine[1024]; |
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int cchLine; |
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lscp_status_t ret; |
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|
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#if defined(WIN32) |
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if (WSAStartup(MAKEWORD(1, 1), &_wsaData) != 0) { |
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fprintf(stderr, "lscp_client: WSAStartup failed.\n"); |
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return -1; |
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} |
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#endif |
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|
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if (argc > 1) |
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pszHost = argv[1]; |
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|
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pClient = lscp_client_create(pszHost, SERVER_PORT, client_callback, NULL); |
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if (pClient == NULL) |
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return -1; |
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|
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client_usage(); |
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client_prompt(); |
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|
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while (fgets(szLine, sizeof(szLine) - 3, stdin)) { |
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|
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cchLine = strlen(szLine); |
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while (cchLine > 0 && (szLine[cchLine - 1] == '\n' || szLine[cchLine - 1] == '\r')) |
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cchLine--; |
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szLine[cchLine] = '\0'; |
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|
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if (strcmp(szLine, "exit") == 0 || strcmp(szLine, "quit") == 0) |
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break; |
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else |
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if (strcmp(szLine, "subscribe") == 0) |
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lscp_client_subscribe(pClient, LSCP_EVENT_MISCELLANEOUS); |
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else |
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if (strcmp(szLine, "unsubscribe") == 0) |
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lscp_client_unsubscribe(pClient, LSCP_EVENT_MISCELLANEOUS); |
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else |
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if (strcmp(szLine, "test") == 0) |
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client_test(pClient); |
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else |
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if (cchLine > 0 && strcmp(szLine, "help") != 0) { |
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szLine[cchLine++] = '\r'; |
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szLine[cchLine++] = '\n'; |
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szLine[cchLine] = '\0'; |
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ret = lscp_client_query(pClient, szLine); |
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printf("%s\n(errno = %d)\n", lscp_client_get_result(pClient), lscp_client_get_errno(pClient)); |
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if (ret == LSCP_QUIT) |
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break; |
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} |
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else client_usage(); |
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|
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client_prompt(); |
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} |
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|
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lscp_client_destroy(pClient); |
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|
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#if defined(WIN32) |
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WSACleanup(); |
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#endif |
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|
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return 0; |
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} |
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|
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// end of example_client.c |
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