move L16 and g711 into the core
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7671 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
parent
983a0ba3df
commit
076d3d4778
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthmct@yahoo.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Anthony Minessale II <anthmct@yahoo.com>
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*
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*
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* switch_pcm.c -- Raw and Encoded PCM 16 bit Signed Linear
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*
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*/
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#include <switch.h>
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#include <g711.h>
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SWITCH_MODULE_LOAD_FUNCTION(mod_l16_load);
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SWITCH_MODULE_DEFINITION(mod_l16, mod_l16_load, NULL, NULL);
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static switch_status_t switch_raw_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
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{
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int encoding, decoding;
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encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
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decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
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if (!(encoding || decoding)) {
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return SWITCH_STATUS_FALSE;
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} else {
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return SWITCH_STATUS_SUCCESS;
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}
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}
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static switch_status_t switch_raw_encode(switch_codec_t *codec,
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switch_codec_t *other_codec,
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void *decoded_data,
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uint32_t decoded_data_len,
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uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate,
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unsigned int *flag)
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{
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/* NOOP indicates that the audio in is already the same as the audio out, so no conversion was necessary. */
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if (codec && other_codec && codec->implementation && other_codec->implementation &&
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codec->implementation->actual_samples_per_second != other_codec->implementation->actual_samples_per_second) {
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memcpy(encoded_data, decoded_data, decoded_data_len);
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*encoded_data_len = decoded_data_len;
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return SWITCH_STATUS_RESAMPLE;
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}
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return SWITCH_STATUS_NOOP;
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}
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static switch_status_t switch_raw_decode(switch_codec_t *codec,
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switch_codec_t *other_codec,
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void *encoded_data,
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uint32_t encoded_data_len,
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uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate,
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unsigned int *flag)
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{
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if (codec && other_codec && codec->implementation && other_codec->implementation &&
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codec->implementation->actual_samples_per_second != other_codec->implementation->actual_samples_per_second) {
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memcpy(decoded_data, encoded_data, encoded_data_len);
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*decoded_data_len = encoded_data_len;
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return SWITCH_STATUS_RESAMPLE;
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}
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return SWITCH_STATUS_NOOP;
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}
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static switch_status_t switch_raw_destroy(switch_codec_t *codec)
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{
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t switch_g711u_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
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{
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int encoding, decoding;
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encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
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decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
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if (!(encoding || decoding)) {
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return SWITCH_STATUS_FALSE;
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} else {
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return SWITCH_STATUS_SUCCESS;
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}
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}
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static switch_status_t switch_g711u_encode(switch_codec_t *codec,
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switch_codec_t *other_codec,
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void *decoded_data,
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uint32_t decoded_data_len,
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uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate,
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unsigned int *flag)
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{
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short *dbuf;
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unsigned char *ebuf;
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uint32_t i;
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dbuf = decoded_data;
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ebuf = encoded_data;
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for (i = 0; i < decoded_data_len / sizeof(short); i++) {
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ebuf[i] = linear_to_ulaw(dbuf[i]);
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}
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*encoded_data_len = i;
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t switch_g711u_decode(switch_codec_t *codec,
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switch_codec_t *other_codec,
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void *encoded_data,
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uint32_t encoded_data_len,
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uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate,
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unsigned int *flag)
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{
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short *dbuf;
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unsigned char *ebuf;
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uint32_t i;
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dbuf = decoded_data;
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ebuf = encoded_data;
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if (*flag & SWITCH_CODEC_FLAG_SILENCE) {
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memset(dbuf, 0, codec->implementation->bytes_per_frame);
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*decoded_data_len = codec->implementation->bytes_per_frame;
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} else {
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for (i = 0; i < encoded_data_len; i++) {
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dbuf[i] = ulaw_to_linear(ebuf[i]);
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}
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*decoded_data_len = i * 2;
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}
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t switch_g711u_destroy(switch_codec_t *codec)
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{
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t switch_g711a_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
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{
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int encoding, decoding;
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encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
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decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
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if (!(encoding || decoding)) {
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return SWITCH_STATUS_FALSE;
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} else {
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return SWITCH_STATUS_SUCCESS;
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}
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}
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static switch_status_t switch_g711a_encode(switch_codec_t *codec,
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switch_codec_t *other_codec,
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void *decoded_data,
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uint32_t decoded_data_len,
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uint32_t decoded_rate, void *encoded_data, uint32_t * encoded_data_len, uint32_t * encoded_rate,
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unsigned int *flag)
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{
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short *dbuf;
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unsigned char *ebuf;
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uint32_t i;
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dbuf = decoded_data;
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ebuf = encoded_data;
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for (i = 0; i < decoded_data_len / sizeof(short); i++) {
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ebuf[i] = linear_to_alaw(dbuf[i]);
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}
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*encoded_data_len = i;
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t switch_g711a_decode(switch_codec_t *codec,
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switch_codec_t *other_codec,
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void *encoded_data,
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uint32_t encoded_data_len,
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uint32_t encoded_rate, void *decoded_data, uint32_t * decoded_data_len, uint32_t * decoded_rate,
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unsigned int *flag)
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{
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short *dbuf;
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unsigned char *ebuf;
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uint32_t i;
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dbuf = decoded_data;
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ebuf = encoded_data;
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if (*flag & SWITCH_CODEC_FLAG_SILENCE) {
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memset(dbuf, 0, codec->implementation->bytes_per_frame);
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*decoded_data_len = codec->implementation->bytes_per_frame;
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} else {
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for (i = 0; i < encoded_data_len; i++) {
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dbuf[i] = alaw_to_linear(ebuf[i]);
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}
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*decoded_data_len = i * 2;
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}
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t switch_g711a_destroy(switch_codec_t *codec)
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{
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return SWITCH_STATUS_SUCCESS;
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}
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static void mod_g711_load(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool)
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{
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switch_codec_interface_t *codec_interface;
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int mpf = 10000, spf = 80, bpf = 160, ebpf = 80, count;
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SWITCH_ADD_CODEC(codec_interface, "G.711 ulaw");
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for (count = 12; count > 0; count--) {
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switch_core_codec_add_implementation(pool, codec_interface,
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SWITCH_CODEC_TYPE_AUDIO, 0, "PCMU", NULL, 8000, 8000, 64000,
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mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12,
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switch_g711u_init, switch_g711u_encode, switch_g711u_decode, switch_g711u_destroy);
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}
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SWITCH_ADD_CODEC(codec_interface, "G.711 alaw");
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for (count = 12; count > 0; count--) {
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switch_core_codec_add_implementation(pool, codec_interface,
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SWITCH_CODEC_TYPE_AUDIO, 8, "PCMA", NULL, 8000, 8000, 64000,
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mpf * count, spf * count, bpf * count, ebpf * count, 1, 1, 12,
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switch_g711a_init, switch_g711a_encode, switch_g711a_decode, switch_g711a_destroy);
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}
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}
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SWITCH_MODULE_LOAD_FUNCTION(mod_l16_load)
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{
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switch_codec_interface_t *codec_interface;
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int mpf = 10000, spf = 80, bpf = 160, ebpf = 160, bps = 128000, rate = 8000, counta, countb;
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switch_payload_t ianacode[4] = { 0, 10, 117, 119 };
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/* connect my internal structure to the blank pointer passed to me */
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*module_interface = switch_loadable_module_create_module_interface(pool, "PCM");
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SWITCH_ADD_CODEC(codec_interface, "RAW Signed Linear (16 bit)");
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for (counta = 1; counta <= 3; counta++) {
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for (countb = 12; countb > 0; countb--) {
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switch_core_codec_add_implementation(pool, codec_interface,
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SWITCH_CODEC_TYPE_AUDIO, ianacode[counta], "L16", NULL, rate, rate, bps,
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mpf * countb, spf * countb, bpf * countb, ebpf * countb, 1, 1, 12,
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switch_raw_init, switch_raw_encode, switch_raw_decode, switch_raw_destroy);
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}
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rate = rate * 2;
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bps = bps * 2;
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spf = spf * 2;
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bpf = bpf * 2;
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ebpf = ebpf * 2;
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}
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/* these formats below are for file playing. */
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switch_core_codec_add_implementation(pool, codec_interface,
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SWITCH_CODEC_TYPE_AUDIO, 118, "L16", NULL, 22050, 22050, 352800,
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20000, 441, 882, 882, 1, 1, 1,
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switch_raw_init, switch_raw_encode, switch_raw_decode, switch_raw_destroy);
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switch_core_codec_add_implementation(pool, codec_interface,
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SWITCH_CODEC_TYPE_AUDIO, 118, "L16", NULL, 11025, 11025, 176400,
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40000, 441, 882, 882, 1, 1, 1,
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switch_raw_init, switch_raw_encode, switch_raw_decode, switch_raw_destroy);
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/* indicate that the module should continue to be loaded */
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mod_g711_load(module_interface, pool);
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return SWITCH_STATUS_SUCCESS;
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}
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
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*/
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