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Formatting fixes.

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@469 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris 2006-01-28 17:38:01 +00:00
parent 5d0589e64e
commit f006188a87
1 changed files with 248 additions and 164 deletions
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412
src/mod/codecs/mod_g729/mod_g729.c
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@ -1,169 +1,253 @@
/* /*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com> * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
* *
* Version: MPL 1.1 * Version: MPL 1.1
* *
* The contents of this file are subject to the Mozilla Public License Version * 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 * 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 * the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/ * http://www.mozilla.org/MPL/
* *
* Software distributed under the License is distributed on an "AS IS" basis, * Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the * for the specific language governing rights and limitations under the
* License. * License.
* *
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* *
* The Initial Developer of the Original Code is * The Initial Developer of the Original Code is
* Anthony Minessale II <anthmct@yahoo.com> * Anthony Minessale II <anthmct@yahoo.com>
* Portions created by the Initial Developer are Copyright (C) * Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved. * the Initial Developer. All Rights Reserved.
* *
* Contributor(s): * Contributor(s):
* *
* Anthony Minessale II <anthmct@yahoo.com> * Anthony Minessale II <anthmct@yahoo.com>
* Michael Jerris <mike@jerris.com> * Michael Jerris <mike@jerris.com>
* *
* mod_codec_g729.c -- G729 Codec Module * mod_codec_g729.c -- G729 Codec Module
* *
*/ */
#include "switch.h" #include "switch.h"
#include "g729.h" #include "g729.h"
static const char modname[] = "mod_codec_g729";
struct g729_context {
struct dec_state decoder_object;
struct cod_state encoder_object;
};
static switch_status switch_g729_init(switch_codec *codec, switch_codec_flag flags,
const struct switch_codec_settings *codec_settings)
{
struct g729_context *context = NULL;
int encoding, decoding;
encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(struct g729_context))))) {
return SWITCH_STATUS_FALSE;
} else {
if (encoding) {
g729_init_coder(&context->encoder_object, 0);
}
if (decoding) {
g729_init_decoder(&context->decoder_object);
}
codec->private = context;
return SWITCH_STATUS_SUCCESS;
}
}
static switch_status switch_g729_destroy(switch_codec *codec)
{
codec->private = NULL;
return SWITCH_STATUS_SUCCESS;
}
static switch_status switch_g729_encode(switch_codec *codec, switch_codec *other_codec, void *decoded_data,
size_t decoded_data_len, int decoded_rate, void *encoded_data,
size_t *encoded_data_len, int *encoded_rate, unsigned int *flag)
{
struct g729_context *context = codec->private;
int cbret = 0;
if (!context) {
return SWITCH_STATUS_FALSE;
}
if (decoded_data_len % 160 == 0) {
unsigned int new_len = 0;
INT16 * ddp = decoded_data;
char *edp = encoded_data;
int x;
int loops = (int) decoded_data_len / 160;
for (x = 0; x < loops && new_len < *encoded_data_len; x++) {
g729_coder(&context->encoder_object, ddp, edp, &cbret);
edp += 10;
ddp += 80;
new_len += 10;
}
if (new_len <= *encoded_data_len) {
*encoded_data_len = new_len;
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "buffer overflow!!! %u >= %u\n", new_len, *encoded_data_len);
return SWITCH_STATUS_FALSE;
}
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status switch_g729_decode(switch_codec *codec, switch_codec *other_codec, void *encoded_data,
size_t encoded_data_len, int encoded_rate, void *decoded_data,
size_t *decoded_data_len, int *decoded_rate, unsigned int *flag)
{
struct g729_context *context = codec->private;
if (!context) {
return SWITCH_STATUS_FALSE;
}
if (encoded_data_len % 10 == 0) {
int loops = (int) encoded_data_len / 10;
char *edp = encoded_data;
short *ddp = decoded_data;
int x;
unsigned int new_len = 0;
for (x = 0; x < loops && new_len < *decoded_data_len; x++) {
g729_decoder(&context->decoder_object, ddp, edp, 10);
ddp += 80;
edp += 10;
new_len += 160;
}
if (new_len <= *decoded_data_len) {
*decoded_data_len = new_len;
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "buffer overflow!!!\n");
return SWITCH_STATUS_FALSE;
}
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "yo this frame is an odd size [%d]\n", encoded_data_len);
}
return SWITCH_STATUS_SUCCESS;
}
static const char modname[] = "mod_codec_g729";
/* Registration */
static const switch_codec_implementation g729_8k_implementation = {
/*.samples_per_second */ 8000, struct g729_context {
/*.bits_per_second */ 64000,
/*.microseconds_per_frame */ 20000, struct dec_state decoder_object;
/*.samples_per_frame */ 160, struct cod_state encoder_object;
/*.bytes_per_frame */ 320,
/*.encoded_bytes_per_frame */ 20,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 24,
/*.init */ switch_g729_init,
/*.encode */ switch_g729_encode,
/*.decode */ switch_g729_decode,
/*.destroy */ switch_g729_destroy,
}; };
static const switch_codec_interface g729_codec_interface = {
/*.interface_name */ "g729",
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO, static switch_status switch_g729_init(switch_codec *codec, switch_codec_flag flags,
/*.ianacode */ 18, const struct switch_codec_settings *codec_settings)
/*.iananame */ "G729",
/*.implementations */ &g729_8k_implementation,
};
static switch_loadable_module_interface g729_module_interface = {
/*.module_name */ modname,
/*.endpoint_interface */ NULL,
/*.timer_interface */ NULL,
/*.dialplan_interface */ NULL,
/*.codec_interface */ &g729_codec_interface,
/*.application_interface */ NULL
};
SWITCH_MOD_DECLARE(switch_status) switch_module_load(const switch_loadable_module_interface **interface,
char *filename)
{ {
/* connect my internal structure to the blank pointer passed to me */ struct g729_context *context = NULL;
*interface = &g729_module_interface; int encoding, decoding;
/* indicate that the module should continue to be loaded */ encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(struct g729_context))))) {
return SWITCH_STATUS_FALSE;
} else {
if (encoding) {
g729_init_coder(&context->encoder_object, 0);
}
if (decoding) {
g729_init_decoder(&context->decoder_object);
}
codec->private = context;
return SWITCH_STATUS_SUCCESS; return SWITCH_STATUS_SUCCESS;
}
}
}
static switch_status switch_g729_destroy(switch_codec *codec)
{
codec->private = NULL;
return SWITCH_STATUS_SUCCESS;
}
static switch_status switch_g729_encode(switch_codec *codec,
switch_codec *other_codec,
void *decoded_data,
size_t decoded_data_len,
int decoded_rate,
void *encoded_data,
size_t *encoded_data_len,
int *encoded_rate,
unsigned int *flag)
{
struct g729_context *context = codec->private;
int cbret = 0;
if (!context) {
return SWITCH_STATUS_FALSE;
}
if (decoded_data_len % 160 == 0) {
unsigned int new_len = 0;
INT16 * ddp = decoded_data;
char *edp = encoded_data;
int x;
int loops = (int) decoded_data_len / 160;
for (x = 0; x < loops && new_len < *encoded_data_len; x++) {
g729_coder(&context->encoder_object, ddp, edp, &cbret);
edp += 10;
ddp += 80;
new_len += 10;
}
if (new_len <= *encoded_data_len) {
*encoded_data_len = new_len;
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "buffer overflow!!! %u >= %u\n", new_len, *encoded_data_len);
return SWITCH_STATUS_FALSE;
}
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status switch_g729_decode(switch_codec *codec,
switch_codec *other_codec,
void *encoded_data,
size_t encoded_data_len,
int encoded_rate,
void *decoded_data,
size_t *decoded_data_len,
int *decoded_rate,
unsigned int *flag)
{
struct g729_context *context = codec->private;
if (!context) {
return SWITCH_STATUS_FALSE;
}
if (encoded_data_len % 10 == 0) {
int loops = (int) encoded_data_len / 10;
char *edp = encoded_data;
short *ddp = decoded_data;
int x;
unsigned int new_len = 0;
for (x = 0; x < loops && new_len < *decoded_data_len; x++) {
g729_decoder(&context->decoder_object, ddp, edp, 10);
ddp += 80;
edp += 10;
new_len += 160;
}
if (new_len <= *decoded_data_len) {
*decoded_data_len = new_len;
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "buffer overflow!!!\n");
return SWITCH_STATUS_FALSE;
}
} else {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "yo this frame is an odd size [%d]\n", encoded_data_len);
}
return SWITCH_STATUS_SUCCESS;
}
/* Registration */
static const switch_codec_implementation g729_8k_implementation = {
/*.samples_per_second */ 8000,
/*.bits_per_second */ 64000,
/*.microseconds_per_frame */ 20000,
/*.samples_per_frame */ 160,
/*.bytes_per_frame */ 320,
/*.encoded_bytes_per_frame */ 20,
/*.number_of_channels */ 1,
/*.pref_frames_per_packet */ 1,
/*.max_frames_per_packet */ 24,
/*.init */ switch_g729_init,
/*.encode */ switch_g729_encode,
/*.decode */ switch_g729_decode,
/*.destroy */ switch_g729_destroy,
};
static const switch_codec_interface g729_codec_interface = {
/*.interface_name */ "g729",
/*.codec_type */ SWITCH_CODEC_TYPE_AUDIO,
/*.ianacode */ 18,
/*.iananame */ "G729",
/*.implementations */ &g729_8k_implementation,
};
static switch_loadable_module_interface g729_module_interface = {
/*.module_name */ modname,
/*.endpoint_interface */ NULL,
/*.timer_interface */ NULL,
/*.dialplan_interface */ NULL,
/*.codec_interface */ &g729_codec_interface,
/*.application_interface */ NULL
};
SWITCH_MOD_DECLARE(switch_status) switch_module_load(const switch_loadable_module_interface **interface,
char *filename)
{
/* connect my internal structure to the blank pointer passed to me */
*interface = &g729_module_interface;
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}