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Fri Mar 7 07:00:00 CET 2003

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@634 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matteo Brancaleoni
2003-03-07 06:00:13 +00:00
parent a8723ad68f
commit f2c4538f61
13 changed files with 419 additions and 25 deletions
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52
codecs/codec_gsm.c
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@@ -33,6 +33,7 @@
#include <stdio.h>
#include "gsm/inc/gsm.h"
#include "../formats/msgsm.h"
/* Sample frame data */
#include "slin_gsm_ex.h"
@@ -57,7 +58,7 @@ struct ast_translator_pvt {
#define gsm_coder_pvt ast_translator_pvt
static struct ast_translator_pvt *gsm_new()
static struct ast_translator_pvt *gsm_new(void)
{
struct gsm_coder_pvt *tmp;
tmp = malloc(sizeof(struct gsm_coder_pvt));
@@ -72,7 +73,7 @@ static struct ast_translator_pvt *gsm_new()
return tmp;
}
static struct ast_frame *lintogsm_sample()
static struct ast_frame *lintogsm_sample(void)
{
static struct ast_frame f;
f.frametype = AST_FRAME_VOICE;
@@ -87,7 +88,7 @@ static struct ast_frame *lintogsm_sample()
return &f;
}
static struct ast_frame *gsmtolin_sample()
static struct ast_frame *gsmtolin_sample(void)
{
static struct ast_frame f;
f.frametype = AST_FRAME_VOICE;
@@ -128,20 +129,47 @@ static int gsmtolin_framein(struct ast_translator_pvt *tmp, struct ast_frame *f)
/* Assuming there's space left, decode into the current buffer at
the tail location. Read in as many frames as there are */
int x;
if (f->datalen % 33) {
ast_log(LOG_WARNING, "Huh? A GSM frame that isn't a multiple of 33 bytes long from %s (%d)?\n", f->src, f->datalen);
unsigned char data[66];
int msgsm=0;
if ((f->datalen % 33) && (f->datalen % 65)) {
ast_log(LOG_WARNING, "Huh? A GSM frame that isn't a multiple of 33 or 65 bytes long from %s (%d)?\n", f->src, f->datalen);
return -1;
}
for (x=0;x<f->datalen;x+=33) {
if (tmp->tail + 160 < sizeof(tmp->buf)/2) {
if (gsm_decode(tmp->gsm, f->data + x, tmp->buf + tmp->tail)) {
ast_log(LOG_WARNING, "Invalid GSM data\n");
if (f->datalen % 65 == 0)
msgsm = 1;
for (x=0;x<f->datalen;x+=(msgsm ? 65 : 33)) {
if (msgsm) {
/* Translate MSGSM format to Real GSM format before feeding in */
conv65(f->data + x, data);
if (tmp->tail + 320 < sizeof(tmp->buf)/2) {
if (gsm_decode(tmp->gsm, data, tmp->buf + tmp->tail)) {
ast_log(LOG_WARNING, "Invalid GSM data (1)\n");
return -1;
}
tmp->tail+=160;
if (gsm_decode(tmp->gsm, data + 33, tmp->buf + tmp->tail)) {
ast_log(LOG_WARNING, "Invalid GSM data (2)\n");
return -1;
}
tmp->tail+=160;
} else {
ast_log(LOG_WARNING, "Out of (MS) buffer space\n");
return -1;
}
tmp->tail+=160;
} else {
ast_log(LOG_WARNING, "Out of buffer space\n");
return -1;
if (tmp->tail + 160 < sizeof(tmp->buf)/2) {
if (gsm_decode(tmp->gsm, f->data + x, tmp->buf + tmp->tail)) {
ast_log(LOG_WARNING, "Invalid GSM data\n");
return -1;
}
tmp->tail+=160;
} else {
ast_log(LOG_WARNING, "Out of buffer space\n");
return -1;
}
}
}
return 0;