/* * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application * Copyright (C) 2005/2006, Anthony Minessale II * * Version: MPL 1.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is FreeSWITCH Modular Media Switching Software Library / G722 codec module * * The Initial Developer of the Original Code is * Brian K. West * Portions created by the Initial Developer are Copyright (C) * the Initial Developer. All Rights Reserved. * * Contributor(s): * Brian K. West * Anthony Minessale II * Michael Jerris * * mod_voipcodecs.c -- VoIP Codecs (G.711, G.722, G.726, GSM-FR, IMA_ADPCM, LPC10) * * This module wouldn't be possible without generous contributions from Steve Underwood. Thanks! * */ #include #include "voipcodecs.h" SWITCH_MODULE_LOAD_FUNCTION(mod_voipcodecs_load); SWITCH_MODULE_DEFINITION(mod_voipcodecs, mod_voipcodecs_load, NULL, NULL); /* LPC10 - START */ struct lpc10_context { lpc10_encode_state_t encoder_object; lpc10_decode_state_t decoder_object; }; static switch_status_t switch_lpc10_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { uint32_t encoding, decoding; struct lpc10_context *context = NULL; encoding = (flags & SWITCH_CODEC_FLAG_ENCODE); decoding = (flags & SWITCH_CODEC_FLAG_DECODE); if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(struct lpc10_context))))) { return SWITCH_STATUS_FALSE; } else { if (encoding) { lpc10_encode_init(&context->encoder_object, TRUE); } if (decoding) { lpc10_decode_init(&context->decoder_object, TRUE); } codec->private_info = context; return SWITCH_STATUS_SUCCESS; } } static switch_status_t switch_lpc10_destroy(switch_codec_t *codec) { codec->private_info = NULL; return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_lpc10_encode(switch_codec_t *codec, switch_codec_t *other_codec, void *decoded_data, uint32_t decoded_data_len, uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag) { struct lpc10_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *encoded_data_len = lpc10_encode(&context->encoder_object, (uint8_t *) encoded_data, (int16_t *) decoded_data, decoded_data_len / 2); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_lpc10_decode(switch_codec_t *codec, switch_codec_t *other_codec, void *encoded_data, uint32_t encoded_data_len, uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag) { struct lpc10_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *decoded_data_len = (2 * lpc10_decode(&context->decoder_object, (int16_t *) decoded_data, (uint8_t *) encoded_data, encoded_data_len)); return SWITCH_STATUS_SUCCESS; } /* LPC10 - END */ /* GSM - START */ struct gsm_context { gsm0610_state_t decoder_object; gsm0610_state_t encoder_object; }; static switch_status_t switch_gsm_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { uint32_t encoding, decoding; struct gsm_context *context = NULL; encoding = (flags & SWITCH_CODEC_FLAG_ENCODE); decoding = (flags & SWITCH_CODEC_FLAG_DECODE); if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) { return SWITCH_STATUS_FALSE; } else { if (encoding) { gsm0610_init(&context->encoder_object, GSM0610_PACKING_VOIP); } if (decoding) { gsm0610_init(&context->decoder_object, GSM0610_PACKING_VOIP); } codec->private_info = context; return SWITCH_STATUS_SUCCESS; } } static switch_status_t switch_gsm_encode(switch_codec_t *codec, switch_codec_t *other_codec, void *decoded_data, uint32_t decoded_data_len, uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag) { struct gsm_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *encoded_data_len = gsm0610_encode(&context->encoder_object, (uint8_t *) encoded_data, (int16_t *) decoded_data, decoded_data_len / 2); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_gsm_decode(switch_codec_t *codec, switch_codec_t *other_codec, void *encoded_data, uint32_t encoded_data_len, uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag) { struct gsm_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *decoded_data_len = (2 * gsm0610_decode(&context->decoder_object, (int16_t *) decoded_data, (uint8_t *) encoded_data, encoded_data_len)); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_gsm_destroy(switch_codec_t *codec) { /* We do not need to use release here as the pool memory is taken care of for us */ codec->private_info = NULL; return SWITCH_STATUS_SUCCESS; } /* GSM - END */ /* G711 - START */ static switch_status_t switch_g711u_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { uint32_t encoding, decoding; encoding = (flags & SWITCH_CODEC_FLAG_ENCODE); decoding = (flags & SWITCH_CODEC_FLAG_DECODE); if (!(encoding || decoding)) { return SWITCH_STATUS_FALSE; } else { return SWITCH_STATUS_SUCCESS; } } static switch_status_t switch_g711u_encode(switch_codec_t *codec, switch_codec_t *other_codec, void *decoded_data, uint32_t decoded_data_len, uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag) { short *dbuf; unsigned char *ebuf; uint32_t i; dbuf = decoded_data; ebuf = encoded_data; for (i = 0; i < decoded_data_len / sizeof(short); i++) { ebuf[i] = linear_to_ulaw(dbuf[i]); } *encoded_data_len = i; return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g711u_decode(switch_codec_t *codec, switch_codec_t *other_codec, void *encoded_data, uint32_t encoded_data_len, uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag) { short *dbuf; unsigned char *ebuf; uint32_t i; dbuf = decoded_data; ebuf = encoded_data; if (*flag & SWITCH_CODEC_FLAG_SILENCE) { memset(dbuf, 0, codec->implementation->bytes_per_frame); *decoded_data_len = codec->implementation->bytes_per_frame; } else { for (i = 0; i < encoded_data_len; i++) { dbuf[i] = ulaw_to_linear(ebuf[i]); } *decoded_data_len = i * 2; } return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g711u_destroy(switch_codec_t *codec) { return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g711a_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { uint32_t encoding, decoding; encoding = (flags & SWITCH_CODEC_FLAG_ENCODE); decoding = (flags & SWITCH_CODEC_FLAG_DECODE); if (!(encoding || decoding)) { return SWITCH_STATUS_FALSE; } else { return SWITCH_STATUS_SUCCESS; } } static switch_status_t switch_g711a_encode(switch_codec_t *codec, switch_codec_t *other_codec, void *decoded_data, uint32_t decoded_data_len, uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag) { short *dbuf; unsigned char *ebuf; uint32_t i; dbuf = decoded_data; ebuf = encoded_data; for (i = 0; i < decoded_data_len / sizeof(short); i++) { ebuf[i] = linear_to_alaw(dbuf[i]); } *encoded_data_len = i; return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g711a_decode(switch_codec_t *codec, switch_codec_t *other_codec, void *encoded_data, uint32_t encoded_data_len, uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag) { short *dbuf; unsigned char *ebuf; uint32_t i; dbuf = decoded_data; ebuf = encoded_data; if (*flag & SWITCH_CODEC_FLAG_SILENCE) { memset(dbuf, 0, codec->implementation->bytes_per_frame); *decoded_data_len = codec->implementation->bytes_per_frame; } else { for (i = 0; i < encoded_data_len; i++) { dbuf[i] = alaw_to_linear(ebuf[i]); } *decoded_data_len = i * 2; } return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g711a_destroy(switch_codec_t *codec) { return SWITCH_STATUS_SUCCESS; } /* G711 - END */ /* G722 - START */ struct g722_context { g722_decode_state_t decoder_object; g722_encode_state_t encoder_object; }; static switch_status_t switch_g722_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { uint32_t encoding, decoding; struct g722_context *context = NULL; encoding = (flags & SWITCH_CODEC_FLAG_ENCODE); decoding = (flags & SWITCH_CODEC_FLAG_DECODE); if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(struct g722_context))))) { return SWITCH_STATUS_FALSE; } else { if (encoding) { g722_encode_init(&context->encoder_object, 64000, G722_PACKED); } if (decoding) { g722_decode_init(&context->decoder_object, 64000, G722_PACKED); } } codec->private_info = context; return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g722_encode(switch_codec_t *codec, switch_codec_t *other_codec, void *decoded_data, uint32_t decoded_data_len, uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag) { struct g722_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *encoded_data_len = g722_encode(&context->encoder_object, (uint8_t *) encoded_data, (int16_t *) decoded_data, decoded_data_len / 2); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g722_decode(switch_codec_t *codec, switch_codec_t *other_codec, void *encoded_data, uint32_t encoded_data_len, uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag) { struct g722_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *decoded_data_len = (2 * g722_decode(&context->decoder_object, (int16_t *) decoded_data, (uint8_t *) encoded_data, encoded_data_len)); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g722_destroy(switch_codec_t *codec) { /* We do not need to use release here as the pool memory is taken care of for us */ codec->private_info = NULL; return SWITCH_STATUS_SUCCESS; } /* G722 - END */ /* G726 - START */ static switch_status_t switch_g726_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { uint32_t encoding, decoding; int packing = G726_PACKING_RIGHT; g726_state_t *context; encoding = (flags & SWITCH_CODEC_FLAG_ENCODE); decoding = (flags & SWITCH_CODEC_FLAG_DECODE); if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) { return SWITCH_STATUS_FALSE; } else { if ((flags & SWITCH_CODEC_FLAG_AAL2 || strstr(codec->implementation->iananame, "AAL2"))) { packing = G726_PACKING_LEFT; } g726_init(context, codec->implementation->bits_per_second, G726_ENCODING_LINEAR, packing); codec->private_info = context; return SWITCH_STATUS_SUCCESS; } } static switch_status_t switch_g726_destroy(switch_codec_t *codec) { codec->private_info = NULL; return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g726_encode(switch_codec_t *codec, switch_codec_t *other_codec, void *decoded_data, uint32_t decoded_data_len, uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag) { g726_state_t *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *encoded_data_len = g726_encode(context, (uint8_t *) encoded_data, (int16_t *) decoded_data, decoded_data_len / 2); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g726_decode(switch_codec_t *codec, switch_codec_t *other_codec, void *encoded_data, uint32_t encoded_data_len, uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag) { g726_state_t *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *decoded_data_len = (2 * g726_decode(context, (int16_t *) decoded_data, (uint8_t *) encoded_data, encoded_data_len)); return SWITCH_STATUS_SUCCESS; } /* G726 - START */ /* IMA_ADPCM - START */ struct ima_adpcm_context { ima_adpcm_state_t decoder_object; ima_adpcm_state_t encoder_object; }; static switch_status_t switch_adpcm_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { uint32_t encoding, decoding; struct ima_adpcm_context *context = NULL; encoding = (flags & SWITCH_CODEC_FLAG_ENCODE); decoding = (flags & SWITCH_CODEC_FLAG_DECODE); if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) { return SWITCH_STATUS_FALSE; } else { if (encoding) { ima_adpcm_init(&context->encoder_object, IMA_ADPCM_DVI4, 0); } if (decoding) { ima_adpcm_init(&context->decoder_object, IMA_ADPCM_DVI4, 0); } codec->private_info = context; return SWITCH_STATUS_SUCCESS; } } static switch_status_t switch_adpcm_encode(switch_codec_t *codec, switch_codec_t *other_codec, void *decoded_data, uint32_t decoded_data_len, uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate, unsigned int *flag) { struct ima_adpcm_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *encoded_data_len = ima_adpcm_encode(&context->encoder_object, (uint8_t *) encoded_data, (int16_t *) decoded_data, decoded_data_len / 2); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_adpcm_decode(switch_codec_t *codec, switch_codec_t *other_codec, void *encoded_data, uint32_t encoded_data_len, uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate, unsigned int *flag) { struct ima_adpcm_context *context = codec->private_info; if (!context) { return SWITCH_STATUS_FALSE; } *decoded_data_len = (2 * ima_adpcm_decode(&context->decoder_object, (int16_t *) decoded_data, (uint8_t *) encoded_data, encoded_data_len)); return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_adpcm_destroy(switch_codec_t *codec) { /* We do not need to use release here as the pool memory is taken care of for us */ codec->private_info = NULL; return SWITCH_STATUS_SUCCESS; } /* IMA_ADPCM - END */ SWITCH_MODULE_LOAD_FUNCTION(mod_voipcodecs_load) { switch_codec_interface_t *codec_interface; int mpf, spf, bpf, ebpf, count; /* connect my internal structure to the blank pointer passed to me */ *module_interface = switch_loadable_module_create_module_interface(pool, modname); /* IMA_ADPCM */ mpf = 10000, spf = 80, bpf = 160, ebpf = 80; SWITCH_ADD_CODEC(codec_interface, "ADPCM (IMA)"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 5, "DVI4", NULL, 8000, 8000, 32000, mpf * count, spf * count, bpf * count, (ebpf * count) + 4, 1, 1, 12, switch_adpcm_init, switch_adpcm_encode, switch_adpcm_decode, switch_adpcm_destroy); } mpf = 10000, spf = 160, bpf = 320, ebpf = 160; for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 6, "DVI4", NULL, 16000, 16000, 64000, mpf * count, spf * count, bpf * count, (ebpf * count) + 4, 1, 1, 12, switch_adpcm_init, switch_adpcm_encode, switch_adpcm_decode, switch_adpcm_destroy); } /* G726 */ mpf = 10000, spf = 80, bpf = 160, ebpf = 20; SWITCH_ADD_CODEC(codec_interface, "G.726 16k (AAL2)"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 124, "AAL2-G726-16", NULL, 8000, 8000, 16000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } SWITCH_ADD_CODEC(codec_interface, "G.726 16k"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 127, "G726-16", NULL, 8000, 8000, 16000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } /* Increase encoded bytes per frame by 10 */ ebpf = ebpf + 10; SWITCH_ADD_CODEC(codec_interface, "G.726 24k (AAL2)"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 123, "AAL2-G726-24", NULL, 8000, 8000, 24000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } SWITCH_ADD_CODEC(codec_interface, "G.726 24k"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 126, "G726-24", NULL, 8000, 8000, 24000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } /* Increase encoded bytes per frame by 10 */ ebpf = ebpf + 10; SWITCH_ADD_CODEC(codec_interface, "G.726 32k (AAL2)"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 2, "AAL2-G726-32", NULL, 8000, 8000, 32000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } SWITCH_ADD_CODEC(codec_interface, "G.726 32k"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 2, "G726-32", NULL, 8000, 8000, 32000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } /* Increase encoded bytes per frame by 10 */ ebpf = ebpf + 10; SWITCH_ADD_CODEC(codec_interface, "G.726 40k (AAL2)"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 122, "AAL2-G726-40", NULL, 8000, 8000, 40000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } SWITCH_ADD_CODEC(codec_interface, "G.726 40k"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 125, "G726-40", NULL, 8000, 8000, 40000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g726_init, switch_g726_encode, switch_g726_decode, switch_g726_destroy); } /* G722 */ mpf = 10000, spf = 80, bpf = 320, ebpf = 80; SWITCH_ADD_CODEC(codec_interface, "G.722"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 9, "G722", NULL, 8000, 16000, 64000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g722_init, switch_g722_encode, switch_g722_decode, switch_g722_destroy); } /* G711 */ mpf = 10000, spf = 80, bpf = 160, ebpf = 80; SWITCH_ADD_CODEC(codec_interface, "G.711 ulaw"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 0, "PCMU", NULL, 8000, 8000, 64000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g711u_init, switch_g711u_encode, switch_g711u_decode, switch_g711u_destroy); } SWITCH_ADD_CODEC(codec_interface, "G.711 alaw"); for (count = 12; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 8, "PCMA", NULL, 8000, 8000, 64000, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12, switch_g711a_init, switch_g711a_encode, switch_g711a_decode, switch_g711a_destroy); } /* GSM */ mpf = 20000, spf = 160, bpf = 320, ebpf = 33; SWITCH_ADD_CODEC(codec_interface, "GSM"); for (count = 6; count > 0; count--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 3, "GSM", NULL, 8000, 8000, 13200, mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 6, switch_gsm_init, switch_gsm_encode, switch_gsm_decode, switch_gsm_destroy); } /* LPC10 */ #if SWITCH_MAX_INTERVAL >= 90 SWITCH_ADD_CODEC(codec_interface, "LPC-10"); switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 7, "LPC", NULL, 8000, 8000, 2400, 90000, 720, 1440, 28, 1, 1, 1, switch_lpc10_init, switch_lpc10_encode, switch_lpc10_decode, switch_lpc10_destroy); #endif /* indicate that the module should continue to be loaded */ return SWITCH_STATUS_SUCCESS; } /* For Emacs: * Local Variables: * mode:c * indent-tabs-mode:t * tab-width:4 * c-basic-offset:4 * End: * For VIM: * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab: */