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796b47633064cb43191ff545189f6f87b7fe2905
freeswitch/src/mod/codecs/mod_l16/mod_l16.c
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Anthony Minessale 796b476330 remove debugging wtf 
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5494 d0543943-73ff-0310-b7d9-9358b9ac24b2
2007-07-03 14:46:58 +00:00

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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
*
* 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 <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthmct@yahoo.com>
*
*
* mod_rawaudio.c -- Raw Signed Linear Codec
*
*/
#include <switch.h>
SWITCH_MODULE_LOAD_FUNCTION(mod_l16_load);
SWITCH_MODULE_DEFINITION(mod_l16, mod_l16_load, NULL, 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->samples_per_second != other_codec->implementation->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->samples_per_second != other_codec->implementation->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_codec_implementation_t raw_32k_60ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 119,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 32000,
/*.bits_per_second = */ 512000,
/*.microseconds_per_frame = */ 60000,
/*.samples_per_frame = */ 1920,
/*.bytes_per_frame = */ 3840,
/*.encoded_bytes_per_frame = */ 3840,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy
/*.next = */
};
static switch_codec_implementation_t raw_32k_30ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 119,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 32000,
/*.bits_per_second = */ 512000,
/*.microseconds_per_frame = */ 30000,
/*.samples_per_frame = */ 960,
/*.bytes_per_frame = */ 1920,
/*.encoded_bytes_per_frame = */ 1920,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next = */ &raw_32k_60ms_implementation
};
static switch_codec_implementation_t raw_32k_20ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 119,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 32000,
/*.bits_per_second = */ 512000,
/*.microseconds_per_frame = */ 20000,
/*.samples_per_frame = */ 640,
/*.bytes_per_frame = */ 1280,
/*.encoded_bytes_per_frame = */ 1280,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next = */ &raw_32k_30ms_implementation
};
static switch_codec_implementation_t raw_32k_10ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 119,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 32000,
/*.bits_per_second = */ 512000,
/*.microseconds_per_frame = */ 10000,
/*.samples_per_frame = */ 320,
/*.bytes_per_frame = */ 960,
/*.encoded_bytes_per_frame = */ 960,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next = */ &raw_32k_20ms_implementation
};
static switch_codec_implementation_t raw_22k_20ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 118,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 22050,
/*.bits_per_second = */ 352800,
/*.microseconds_per_frame = */ 20000,
/*.samples_per_frame = */ 441,
/*.bytes_per_frame = */ 882,
/*.encoded_bytes_per_frame = */ 882,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next = */ &raw_32k_10ms_implementation
};
static switch_codec_implementation_t raw_16k_120ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 117,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second */ 8000,
/*.bits_per_second */ 256000,
/*.microseconds_per_frame */ 120000,
/*.samples_per_frame */ 1920,
/*.bytes_per_frame */ 3840,
/*.encoded_bytes_per_frame */ 3840,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_raw_init,
/*.encode */ switch_raw_encode,
/*.decode */ switch_raw_decode,
/*.destroy */ switch_raw_destroy,
/*.next */ &raw_22k_20ms_implementation
};
static switch_codec_implementation_t raw_16k_60ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 117,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second */ 16000,
/*.bits_per_second */ 256000,
/*.microseconds_per_frame */ 60000,
/*.samples_per_frame */ 960,
/*.bytes_per_frame */ 1920,
/*.encoded_bytes_per_frame */ 1920,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_raw_init,
/*.encode */ switch_raw_encode,
/*.decode */ switch_raw_decode,
/*.destroy */ switch_raw_destroy,
/*.next */ &raw_16k_120ms_implementation
};
static switch_codec_implementation_t raw_16k_30ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 117,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second */ 16000,
/*.bits_per_second */ 256000,
/*.microseconds_per_frame */ 30000,
/*.samples_per_frame */ 480,
/*.bytes_per_frame */ 960,
/*.encoded_bytes_per_frame */ 960,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_raw_init,
/*.encode */ switch_raw_encode,
/*.decode */ switch_raw_decode,
/*.destroy */ switch_raw_destroy,
/*.next */ &raw_16k_60ms_implementation
};
static switch_codec_implementation_t raw_16k_20ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 117,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 16000,
/*.bits_per_second = */ 256000,
/*.microseconds_per_frame = */ 20000,
/*.samples_per_frame = */ 320,
/*.bytes_per_frame = */ 640,
/*.encoded_bytes_per_frame = */ 640,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next = */ &raw_16k_30ms_implementation
};
static switch_codec_implementation_t raw_16k_10ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 117,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 16000,
/*.bits_per_second = */ 256000,
/*.microseconds_per_frame = */ 10000,
/*.samples_per_frame = */ 160,
/*.bytes_per_frame = */ 320,
/*.encoded_bytes_per_frame = */ 320,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next = */ &raw_16k_20ms_implementation
};
///////////////////////////////
static switch_codec_implementation_t raw_8k_120ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 10,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second */ 8000,
/*.bits_per_second */ 512000,
/*.microseconds_per_frame */ 120000,
/*.samples_per_frame */ 960,
/*.bytes_per_frame */ 1920,
/*.encoded_bytes_per_frame */ 1920,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_raw_init,
/*.encode */ switch_raw_encode,
/*.decode */ switch_raw_decode,
/*.destroy */ switch_raw_destroy,
/*.next */ &raw_16k_10ms_implementation
};
static switch_codec_implementation_t raw_8k_60ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 10,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second */ 8000,
/*.bits_per_second */ 256000,
/*.microseconds_per_frame */ 60000,
/*.samples_per_frame */ 480,
/*.bytes_per_frame */ 960,
/*.encoded_bytes_per_frame */ 960,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_raw_init,
/*.encode */ switch_raw_encode,
/*.decode */ switch_raw_decode,
/*.destroy */ switch_raw_destroy,
/*.next */ &raw_8k_120ms_implementation
};
static switch_codec_implementation_t raw_8k_30ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 10,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second */ 8000,
/*.bits_per_second */ 128000,
/*.microseconds_per_frame */ 30000,
/*.samples_per_frame */ 240,
/*.bytes_per_frame */ 480,
/*.encoded_bytes_per_frame */ 480,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 1,
/*.init */ switch_raw_init,
/*.encode */ switch_raw_encode,
/*.decode */ switch_raw_decode,
/*.destroy */ switch_raw_destroy,
/*.next */ &raw_8k_60ms_implementation
};
static switch_codec_implementation_t raw_8k_20ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 10,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 8000,
/*.bits_per_second = */ 128000,
/*.microseconds_per_frame = */ 20000,
/*.samples_per_frame = */ 160,
/*.bytes_per_frame = */ 320,
/*.encoded_bytes_per_frame = */ 320,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next */ &raw_8k_30ms_implementation
};
static switch_codec_implementation_t raw_8k_10ms_implementation = {
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 10,
/*.iananame */ "L16",
/*.fmtp */ NULL,
/*.samples_per_second = */ 8000,
/*.bits_per_second = */ 128000,
/*.microseconds_per_frame = */ 10000,
/*.samples_per_frame = */ 80,
/*.bytes_per_frame = */ 160,
/*.encoded_bytes_per_frame = */ 160,
/*.number_of_channels = */ 1,
/*.pref_frames_per_packet = */ 1,
/*.max_frames_per_packet = */ 1,
/*.init = */ switch_raw_init,
/*.encode = */ switch_raw_encode,
/*.decode = */ switch_raw_decode,
/*.destroy = */ switch_raw_destroy,
/*.next */ &raw_8k_20ms_implementation
};
SWITCH_MODULE_LOAD_FUNCTION(mod_l16_load)
{
switch_codec_interface_t *codec_interface;
/* 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, "raw signed linear (16 bit)", &raw_8k_10ms_implementation);
/* 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:
*/
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