/* * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application * Copyright (C) 2005-2014, 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 / Soft-Switch Application * * The Initial Developer of the Original Code is * Anthony Minessale II * Portions created by the Initial Developer are Copyright (C) * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Anthony Minessale II * * * switch_pcm.c -- Raw and Encoded PCM 16 bit Signed Linear * */ #include #include #ifdef WIN32 #undef SWITCH_MOD_DECLARE_DATA #define SWITCH_MOD_DECLARE_DATA __declspec(dllexport) #endif SWITCH_MODULE_LOAD_FUNCTION(core_pcm_load); SWITCH_MODULE_SHUTDOWN_FUNCTION(core_pcm_shutdown); SWITCH_MODULE_DEFINITION(CORE_PCM_MODULE, core_pcm_load, core_pcm_shutdown, NULL); static switch_status_t switch_raw_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { int 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_raw_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) { /* NOOP indicates that the audio in is already the same as the audio out, so no conversion was necessary. */ if (codec && other_codec && codec->implementation && other_codec->implementation && codec->implementation->actual_samples_per_second != other_codec->implementation->actual_samples_per_second) { memcpy(encoded_data, decoded_data, decoded_data_len); *encoded_data_len = decoded_data_len; return SWITCH_STATUS_RESAMPLE; } return SWITCH_STATUS_NOOP; } static switch_status_t switch_raw_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) { if (codec && other_codec && codec->implementation && other_codec->implementation && codec->implementation->actual_samples_per_second != other_codec->implementation->actual_samples_per_second) { memcpy(decoded_data, encoded_data, encoded_data_len); *decoded_data_len = encoded_data_len; return SWITCH_STATUS_RESAMPLE; } return SWITCH_STATUS_NOOP; } static switch_status_t switch_raw_destroy(switch_codec_t *codec) { return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_proxy_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_proxy_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) { return SWITCH_STATUS_FALSE; } static switch_status_t switch_proxy_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) { return SWITCH_STATUS_FALSE; } static switch_status_t switch_proxy_destroy(switch_codec_t *codec) { return SWITCH_STATUS_SUCCESS; } static switch_status_t switch_g711u_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings) { int 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->decoded_bytes_per_packet); *decoded_data_len = codec->implementation->decoded_bytes_per_packet; } 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) { int 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->decoded_bytes_per_packet); *decoded_data_len = codec->implementation->decoded_bytes_per_packet; } 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; } static void mod_g711_load(switch_loadable_module_interface_t ** module_interface, switch_memory_pool_t *pool) { switch_codec_interface_t *codec_interface; int mpf = 10000, spf = 80, bpf = 160, ebpf = 80, count; 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, /* enumeration defining the type of the codec */ 0, /* the IANA code number */ "PCMU", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 8000, /* samples transferred per second */ 8000, /* actual samples transferred per second */ 64000, /* bits transferred per second */ mpf * count, /* number of microseconds per frame */ spf * count, /* number of samples per frame */ bpf * count, /* number of bytes per frame decompressed */ ebpf * count, /* number of bytes per frame compressed */ 1, /* number of channels represented */ spf * count, /* number of frames per network packet */ switch_g711u_init, /* function to initialize a codec handle using this implementation */ switch_g711u_encode, /* function to encode raw data into encoded data */ switch_g711u_decode, /* function to decode encoded data into raw data */ switch_g711u_destroy); /* deinitalize a codec handle using this implementation */ if (count > 4) continue; switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 0, /* the IANA code number */ "PCMU", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 48000, /* samples transferred per second */ 48000, /* actual samples transferred per second */ 64000 * 6, /* bits transferred per second */ mpf * count, /* number of microseconds per frame */ spf * count * 6, /* number of samples per frame */ bpf * count * 6, /* number of bytes per frame decompressed */ ebpf * count * 6, /* number of bytes per frame compressed */ 1, /* number of channels represented */ spf * count * 6, /* number of frames per network packet */ switch_g711u_init, /* function to initialize a codec handle using this implementation */ switch_g711u_encode, /* function to encode raw data into encoded data */ switch_g711u_decode, /* function to decode encoded data into raw data */ switch_g711u_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 0, /* the IANA code number */ "PCMU", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 48000, /* samples transferred per second */ 48000, /* actual samples transferred per second */ 64000 * 6 * 2, /* bits transferred per second */ mpf * count, /* number of microseconds per frame */ spf * count * 6 * 2, /* number of samples per frame */ bpf * count * 6 * 2, /* number of bytes per frame decompressed */ ebpf * count * 6 * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ spf * count * 6 * 2, /* number of frames per network packet */ switch_g711u_init, /* function to initialize a codec handle using this implementation */ switch_g711u_encode, /* function to encode raw data into encoded data */ switch_g711u_decode, /* function to decode encoded data into raw data */ switch_g711u_destroy); /* deinitalize a codec handle using this implementation */ } 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, /* enumeration defining the type of the codec */ 8, /* the IANA code number */ "PCMA", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 8000, /* samples transferred per second */ 8000, /* actual samples transferred per second */ 64000, /* bits transferred per second */ mpf * count, /* number of microseconds per frame */ spf * count, /* number of samples per frame */ bpf * count, /* number of bytes per frame decompressed */ ebpf * count, /* number of bytes per frame compressed */ 1, /* number of channels represented */ spf * count, /* number of frames per network packet */ switch_g711a_init, /* function to initialize a codec handle using this implementation */ switch_g711a_encode, /* function to encode raw data into encoded data */ switch_g711a_decode, /* function to decode encoded data into raw data */ switch_g711a_destroy); /* deinitalize a codec handle using this implementation */ } } SWITCH_MODULE_LOAD_FUNCTION(core_pcm_load) { switch_codec_interface_t *codec_interface; int mpf = 10000, spf = 80, bpf = 160, ebpf = 160, bps = 128000, rate = 8000, counta = 1, countb = 12; int samples_per_frame, bytes_per_frame, ms_per_frame, x; /* connect my internal structure to the blank pointer passed to me */ *module_interface = switch_loadable_module_create_module_interface(pool, modname); SWITCH_ADD_CODEC(codec_interface, "PROXY VIDEO PASS-THROUGH"); switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_VIDEO, /* enumeration defining the type of the codec */ 31, /* the IANA code number */ "PROXY-VID", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 90000, /* samples transferred per second */ 90000, /* actual samples transferred per second */ 0, /* bits transferred per second */ 0, /* number of microseconds per frame */ 0, /* number of samples per frame */ 0, /* number of bytes per frame decompressed */ 0, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_proxy_init, /* function to initialize a codec handle using this implementation */ switch_proxy_encode, /* function to encode raw data into encoded data */ switch_proxy_decode, /* function to encode raw data into encoded data */ switch_proxy_destroy); /* deinitalize a codec handle using this implementation */ SWITCH_ADD_CODEC(codec_interface, "PROXY PASS-THROUGH"); switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 0, /* the IANA code number */ "PROXY", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 8000, /* samples transferred per second */ 8000, /* actual samples transferred per second */ 0, /* bits transferred per second */ 20000, /* number of microseconds per frame */ 160, /* number of samples per frame */ 320, /* number of bytes per frame decompressed */ 320, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_proxy_init, /* function to initialize a codec handle using this implementation */ switch_proxy_encode, /* function to encode raw data into encoded data */ switch_proxy_decode, /* function to decode encoded data into raw data */ switch_proxy_destroy); /* deinitalize a codec handle using this implementation */ SWITCH_ADD_CODEC(codec_interface, "PROXY PASS-THROUGH"); switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 0, /* the IANA code number */ "PROXY", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 8000, /* samples transferred per second */ 8000, /* actual samples transferred per second */ 0, /* bits transferred per second */ 20000, /* number of microseconds per frame */ 160, /* number of samples per frame */ 320 * 2, /* number of bytes per frame decompressed */ 320 * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_proxy_init, /* function to initialize a codec handle using this implementation */ switch_proxy_encode, /* function to encode raw data into encoded data */ switch_proxy_decode, /* function to decode encoded data into raw data */ switch_proxy_destroy); /* deinitalize a codec handle using this implementation */ SWITCH_ADD_CODEC(codec_interface, "RAW Signed Linear (16 bit)"); for (counta = 1; counta <= 3; counta++) { if (rate == 8000) { countb = 12; } else { countb = 6; } for (; countb > 0; countb--) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 100, "L16", NULL, rate, rate, bps, mpf * countb, spf * countb, bpf * countb, ebpf * countb, 1, spf * countb, switch_raw_init, switch_raw_encode, switch_raw_decode, switch_raw_destroy); switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, 100, "L16", NULL, rate, rate, bps, mpf * countb, spf * countb, bpf * countb * 2, ebpf * countb, 2, spf * countb, switch_raw_init, switch_raw_encode, switch_raw_decode, switch_raw_destroy); } rate = rate * 2; bps = bps * 2; spf = spf * 2; bpf = bpf * 2; ebpf = ebpf * 2; } samples_per_frame = 240; bytes_per_frame = 480; ms_per_frame = 20000; for (x = 0; x < 5; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 12000, /* samples transferred per second */ 12000, /* actual samples transferred per second */ 192000, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 12000, /* samples transferred per second */ 12000, /* actual samples transferred per second */ 192000 * 2, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 240; bytes_per_frame += 480; ms_per_frame += 20000; } samples_per_frame = 480; bytes_per_frame = 960; ms_per_frame = 20000; for (x = 0; x < 3; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 24000, /* samples transferred per second */ 24000, /* actual samples transferred per second */ 384000, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 24000, /* samples transferred per second */ 24000, /* actual samples transferred per second */ 384000 * 2, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 480; bytes_per_frame += 960; ms_per_frame += 20000; } /* these formats below are for file playing. */ samples_per_frame = 96; bytes_per_frame = 192; ms_per_frame = 2000; for (x = 0; x < 5; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 48000, /* samples transferred per second */ 48000, /* actual samples transferred per second */ 768000, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 48000, /* samples transferred per second */ 48000, /* actual samples transferred per second */ 768000 * 2, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame * 2, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 96; bytes_per_frame += 192; ms_per_frame += 2000; } samples_per_frame = 16; bytes_per_frame = 32; ms_per_frame = 2000; for (x = 0; x < 4; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 8000, /* samples transferred per second */ 8000, /* actual samples transferred per second */ 128000, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 8000, /* samples transferred per second */ 8000, /* actual samples transferred per second */ 128000 * 2, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 16; bytes_per_frame += 32; ms_per_frame += 2000; } samples_per_frame = 32; bytes_per_frame = 64; ms_per_frame = 2000; for (x = 0; x < 4; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 16000, /* samples transferred per second */ 16000, /* actual samples transferred per second */ 256000, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 16000, /* samples transferred per second */ 16000, /* actual samples transferred per second */ 256000 * 2, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 32; bytes_per_frame += 64; ms_per_frame += 2000; } samples_per_frame = 64; bytes_per_frame = 128; ms_per_frame = 2000; for (x = 0; x < 4; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 32000, /* samples transferred per second */ 32000, /* actual samples transferred per second */ 512000, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 32000, /* samples transferred per second */ 32000, /* actual samples transferred per second */ 512000 * 2, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 64; bytes_per_frame += 128; ms_per_frame += 2000; } samples_per_frame = 960; bytes_per_frame = 1920; ms_per_frame = 20000; /* 10ms is already registered */ for (x = 0; x < 3; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 48000, /* samples transferred per second */ 48000, /* actual samples transferred per second */ 768000, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 48000, /* samples transferred per second */ 48000, /* actual samples transferred per second */ 768000 * 2, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame * 2, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 480; bytes_per_frame += 960; ms_per_frame += 10000; } samples_per_frame = 441; bytes_per_frame = 882; ms_per_frame = 10000; for (x = 0; x < 3; x++) { switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 44100, /* samples transferred per second */ 44100, /* actual samples transferred per second */ 705600, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame, /* number of bytes per frame decompressed */ bytes_per_frame, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 44100, /* samples transferred per second */ 44100, /* actual samples transferred per second */ 705600, /* bits transferred per second */ ms_per_frame, /* number of microseconds per frame */ samples_per_frame, /* number of samples per frame */ bytes_per_frame * 2, /* number of bytes per frame decompressed */ bytes_per_frame * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ samples_per_frame += 441; bytes_per_frame += 882; ms_per_frame += 10000; } switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 22050, /* samples transferred per second */ 22050, /* actual samples transferred per second */ 352800, /* bits transferred per second */ 20000, /* number of microseconds per frame */ 441, /* number of samples per frame */ 882, /* number of bytes per frame decompressed */ 882, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 22050, /* samples transferred per second */ 22050, /* actual samples transferred per second */ 352800 * 2, /* bits transferred per second */ 20000, /* number of microseconds per frame */ 441, /* number of samples per frame */ 882 * 2, /* number of bytes per frame decompressed */ 882 * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 11025, /* samples transferred per second */ 11025, /* actual samples transferred per second */ 176400, /* bits transferred per second */ 40000, /* number of microseconds per frame */ 441, /* number of samples per frame */ 882, /* number of bytes per frame decompressed */ 882, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 11025, /* samples transferred per second */ 11025, /* actual samples transferred per second */ 176400 * 2, /* bits transferred per second */ 40000, /* number of microseconds per frame */ 441, /* number of samples per frame */ 882 * 2, /* number of bytes per frame decompressed */ 882 * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 11025, /* samples transferred per second */ 11025, /* actual samples transferred per second */ 176400, /* bits transferred per second */ 32000, /* number of microseconds per frame */ 256, /* number of samples per frame */ 512, /* number of bytes per frame decompressed */ 512, /* number of bytes per frame compressed */ 1, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */ 100, /* the IANA code number */ "L16", /* the IANA code name */ NULL, /* default fmtp to send (can be overridden by the init function) */ 11025, /* samples transferred per second */ 11025, /* actual samples transferred per second */ 176400 * 2, /* bits transferred per second */ 32000, /* number of microseconds per frame */ 256, /* number of samples per frame */ 512 * 2, /* number of bytes per frame decompressed */ 512 * 2, /* number of bytes per frame compressed */ 2, /* number of channels represented */ 1, /* number of frames per network packet */ switch_raw_init, /* function to initialize a codec handle using this implementation */ switch_raw_encode, /* function to encode raw data into encoded data */ switch_raw_decode, /* function to decode encoded data into raw data */ switch_raw_destroy); /* deinitalize a codec handle using this implementation */ /* indicate that the module should continue to be loaded */ mod_g711_load(module_interface, pool); return SWITCH_STATUS_SUCCESS; //return SWITCH_STATUS_NOUNLOAD; } SWITCH_MODULE_SHUTDOWN_FUNCTION(core_pcm_shutdown) { return SWITCH_STATUS_NOUNLOAD; } /* 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 noet: */