work in progress pending lib fix
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15558 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Brian West
parent
c1c132908d
commit
d421557ff9
|
|
@ -0,0 +1,7 @@
|
|||
BASE=../../../..
|
||||
DIR=$(BASE)/libs/broadvoice
|
||||
A=$(DIR)/src/.libs/libbroadvoice.a
|
||||
|
||||
LOCAL_INSERT_CFLAGS=if test -f $(A); then echo "-I$(DIR)/src" ; fi ;
|
||||
LOCAL_INSERT_LDFLAGS=test ! -f $(A) || echo $(A)
|
||||
include $(BASE)/build/modmake.rules
|
||||
|
|
@ -0,0 +1,251 @@
|
|||
/*
|
||||
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
|
||||
* Copyright (C) 2005-2009, Anthony Minessale II <anthm@freeswitch.org>
|
||||
*
|
||||
* 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 <anthm@freeswitch.org>
|
||||
* Portions created by the Initial Developer are Copyright (C)
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
*
|
||||
* Brian K. West <brian@freeswitch.org>
|
||||
*
|
||||
* mod_bv.c -- BroadVoice16 and BroadVoice32 audio codecs (http://www.broadcom.com/support/broadvoice/)
|
||||
*
|
||||
*/
|
||||
|
||||
#include "switch.h"
|
||||
#include "broadvoice.h"
|
||||
|
||||
SWITCH_MODULE_LOAD_FUNCTION(mod_bv_load);
|
||||
SWITCH_MODULE_DEFINITION(mod_bv, mod_bv_load, NULL, NULL);
|
||||
|
||||
#define FRAME_SIZE 40
|
||||
#define CODE_SIZE 5
|
||||
|
||||
struct bv16_context {
|
||||
bv16_decode_state_t *decoder_object;
|
||||
bv16_encode_state_t *encoder_object;
|
||||
};
|
||||
|
||||
static switch_status_t switch_bv16_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
|
||||
{
|
||||
struct bv16_context *context = NULL;
|
||||
int encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
|
||||
int decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
|
||||
|
||||
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) {
|
||||
return SWITCH_STATUS_FALSE;
|
||||
}
|
||||
|
||||
if (encoding) {
|
||||
bv16_encode_init(context->encoder_object);
|
||||
}
|
||||
|
||||
if (decoding) {
|
||||
bv16_decode_init(context->decoder_object);
|
||||
}
|
||||
|
||||
codec->private_info = context;
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static switch_status_t switch_bv16_destroy(switch_codec_t *codec)
|
||||
{
|
||||
codec->private_info = NULL;
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static switch_status_t switch_bv16_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 bv16_context *context = codec->private_info;
|
||||
|
||||
if (!context) {
|
||||
return SWITCH_STATUS_FALSE;
|
||||
}
|
||||
|
||||
*encoded_data_len = bv16_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_bv16_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 bv16_context *context = codec->private_info;
|
||||
|
||||
if (!context) {
|
||||
return SWITCH_STATUS_FALSE;
|
||||
}
|
||||
|
||||
if ((*flag & SFF_PLC)) {
|
||||
*decoded_data_len = (2 * bv16_fillin(context->decoder_object, (int16_t *) decoded_data, encoded_data_len));
|
||||
} else {
|
||||
*decoded_data_len = (2 * bv16_decode(context->decoder_object, (int16_t *) decoded_data, (uint8_t *) encoded_data, encoded_data_len));
|
||||
}
|
||||
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
struct bv32_context {
|
||||
bv32_decode_state_t *decoder_object;
|
||||
bv32_encode_state_t *encoder_object;
|
||||
};
|
||||
|
||||
static switch_status_t switch_bv32_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
|
||||
{
|
||||
struct bv32_context *context = NULL;
|
||||
int encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
|
||||
int decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
|
||||
|
||||
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) {
|
||||
return SWITCH_STATUS_FALSE;
|
||||
}
|
||||
|
||||
if (encoding) {
|
||||
bv32_encode_init(context->encoder_object);
|
||||
}
|
||||
|
||||
if (decoding) {
|
||||
bv32_decode_init(context->decoder_object);
|
||||
}
|
||||
|
||||
codec->private_info = context;
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static switch_status_t switch_bv32_destroy(switch_codec_t *codec)
|
||||
{
|
||||
codec->private_info = NULL;
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static switch_status_t switch_bv32_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 bv32_context *context = codec->private_info;
|
||||
|
||||
if (!context) {
|
||||
return SWITCH_STATUS_FALSE;
|
||||
}
|
||||
|
||||
*encoded_data_len = bv32_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_bv32_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 bv32_context *context = codec->private_info;
|
||||
|
||||
if (!context) {
|
||||
return SWITCH_STATUS_FALSE;
|
||||
}
|
||||
|
||||
if ((*flag & SFF_PLC)) {
|
||||
*decoded_data_len = (2 * bv32_fillin(context->decoder_object, (int16_t *) decoded_data, encoded_data_len));
|
||||
} else {
|
||||
*decoded_data_len = (2 * bv32_decode(context->decoder_object, (int16_t *) decoded_data, (uint8_t *) encoded_data, encoded_data_len));
|
||||
}
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
SWITCH_MODULE_LOAD_FUNCTION(mod_bv_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, "BroadVoice16 (BV16)");
|
||||
|
||||
switch_core_codec_add_implementation(pool,
|
||||
codec_interface,
|
||||
SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
|
||||
106, /* the IANA code number */
|
||||
"BV16", /* 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 */
|
||||
16000, /* bits transferred per second */
|
||||
20000, /* number of microseconds per frame */
|
||||
160, /* number of samples per frame */
|
||||
320, /* number of bytes per frame decompressed */
|
||||
40, /* number of bytes per frame compressed */
|
||||
1, /* number of channels represented */
|
||||
1, /* number of frames per network packet */
|
||||
switch_bv16_init, /* function to initialize a codec handle using this implementation */
|
||||
switch_bv16_encode, /* function to encode raw data into encoded data */
|
||||
switch_bv16_decode, /* function to decode encoded data into raw data */
|
||||
switch_bv16_destroy); /* deinitalize a codec handle using this implementation */
|
||||
|
||||
SWITCH_ADD_CODEC(codec_interface, "BroadVoice32 (BV32)");
|
||||
|
||||
switch_core_codec_add_implementation(pool,
|
||||
codec_interface,
|
||||
SWITCH_CODEC_TYPE_AUDIO, /* enumeration defining the type of the codec */
|
||||
127, /* the IANA code number */
|
||||
"BV32", /* 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 */
|
||||
32000, /* bits transferred per second */
|
||||
20000, /* number of microseconds per frame */
|
||||
320, /* number of samples per frame */
|
||||
640, /* number of bytes per frame decompressed */
|
||||
80, /* number of bytes per frame compressed */
|
||||
1, /* number of channels represented */
|
||||
1, /* number of frames per network packet */
|
||||
switch_bv32_init, /* function to initialize a codec handle using this implementation */
|
||||
switch_bv32_encode, /* function to encode raw data into encoded data */
|
||||
switch_bv32_decode, /* function to decode encoded data into raw data */
|
||||
switch_bv32_destroy); /* deinitalize a codec handle using this 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:
|
||||
*/
|
||||
Loading…
Reference in New Issue