retronetworking
/
freeswitch
13
0
Fork 0
Code Pull Requests Releases Activity

work on gsm blindly with no testing conditions so it probably needs more =D 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@205 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2005-12-24 03:00:29 +00:00
parent f3d711ccae
commit ad4559308b
1 changed files with 23 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/mod/codec/mod_codec_gsm/mod_codec_gsm.c
View File

@ -77,8 +77,26 @@ static switch_status switch_gsm_encode(switch_codec *codec,
if (!context) {
return SWITCH_STATUS_FALSE;
}
gsm_encode(context, (void *)decoded_data, (void *)encoded_data);
*encoded_data_len = 33;
if (decoded_data_len % 160 == 0) {
unsigned int new_len = 0;
gsm_signal *ddp = decoded_data;
gsm_byte *edp = encoded_data;
int x;
int loops = (int) decoded_data_len / 160;
for(x = 0; x < loops && new_len < *encoded_data_len; x++) {
gsm_encode(context, ddp, edp);
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;
}
@ -101,12 +119,12 @@ static switch_status switch_gsm_decode(switch_codec *codec,
if (encoded_data_len % 33 == 0) {
int loops = (int) encoded_data_len / 33;
char *edp = encoded_data;
short *ddp = decoded_data;
gsm_byte *edp = encoded_data;
gsm_signal *ddp = decoded_data;
int x;
unsigned int new_len = 0;
for(x = 0; x < loops && new_len < *decoded_data_len; x++) {
gsm_decode(&context, ddp, edp, 33);
gsm_decode(&context, ddp, edp);
ddp += 80;
edp += 10;
new_len += 320;