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-rw-r--r--codecs/codec_dahdi.c (renamed from codecs/codec_zap.c)133
1 files changed, 66 insertions, 67 deletions
diff --git a/codecs/codec_zap.c b/codecs/codec_dahdi.c
index 645b65a35..7142a5057 100644
--- a/codecs/codec_zap.c
+++ b/codecs/codec_dahdi.c
@@ -1,7 +1,7 @@
/*
* Asterisk -- An open source telephony toolkit.
*
- * Zaptel native transcoding support
+ * DAHDI native transcoding support
*
* Copyright (C) 1999 - 2006, Digium, Inc.
*
@@ -21,14 +21,13 @@
/*! \file
*
- * \brief Translate between various formats natively through Zaptel transcoding
+ * \brief Translate between various formats natively through DAHDI transcoding
*
* \ingroup codecs
*/
/*** MODULEINFO
- <depend>zaptel_transcode</depend>
- <depend>zaptel</depend>
+ <depend>dahdi</depend>
***/
#include "asterisk.h"
@@ -39,8 +38,8 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <netinet/in.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
-#include <zaptel/zaptel.h>
+#include "asterisk/dahdi.h"
#include "asterisk/lock.h"
#include "asterisk/translate.h"
#include "asterisk/config.h"
@@ -63,7 +62,7 @@ static struct channel_usage {
static char *handle_cli_transcoder_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
static struct ast_cli_entry cli[] = {
- AST_CLI_DEFINE(handle_cli_transcoder_show, "Display Zaptel transcoder utilization.")
+ AST_CLI_DEFINE(handle_cli_transcoder_show, "Display DAHDI transcoder utilization.")
};
struct format_map {
@@ -86,7 +85,7 @@ struct pvt {
int totalms;
int lasttotalms;
#endif
- struct zt_transcode_header *hdr;
+ struct dahdi_transcode_header *hdr;
};
static char *handle_cli_transcoder_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
@@ -98,7 +97,7 @@ static char *handle_cli_transcoder_show(struct ast_cli_entry *e, int cmd, struct
e->command = "transcoder show";
e->usage =
"Usage: transcoder show\n"
- " Displays channel utilization of Zaptel transcoder(s).\n";
+ " Displays channel utilization of DAHDI transcoder(s).\n";
return NULL;
case CLI_GENERATE:
return NULL;
@@ -110,21 +109,21 @@ static char *handle_cli_transcoder_show(struct ast_cli_entry *e, int cmd, struct
copy = channels;
if (copy.total == 0)
- ast_cli(a->fd, "No Zaptel transcoders found.\n");
+ ast_cli(a->fd, "No DAHDI transcoders found.\n");
else
ast_cli(a->fd, "%d/%d encoders/decoders of %d channels are in use.\n", copy.encoders, copy.decoders, copy.total);
return CLI_SUCCESS;
}
-static int zap_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
+static int dahdi_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
{
- struct pvt *ztp = pvt->pvt;
- struct zt_transcode_header *hdr = ztp->hdr;
+ struct pvt *dahdip = pvt->pvt;
+ struct dahdi_transcode_header *hdr = dahdip->hdr;
if (!f->subclass) {
/* Fake a return frame for calculation purposes */
- ztp->fake = 2;
+ dahdip->fake = 2;
pvt->samples = f->samples;
return 0;
}
@@ -151,14 +150,14 @@ static int zap_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
return -1;
}
-static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
+static struct ast_frame *dahdi_frameout(struct ast_trans_pvt *pvt)
{
- struct pvt *ztp = pvt->pvt;
- struct zt_transcode_header *hdr = ztp->hdr;
+ struct pvt *dahdip = pvt->pvt;
+ struct dahdi_transcode_header *hdr = dahdip->hdr;
unsigned int x;
- if (ztp->fake == 2) {
- ztp->fake = 1;
+ if (dahdip->fake == 2) {
+ dahdip->fake = 1;
pvt->f.frametype = AST_FRAME_VOICE;
pvt->f.subclass = 0;
pvt->f.samples = 160;
@@ -168,15 +167,15 @@ static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
pvt->f.mallocd = 0;
ast_set_flag(&pvt->f, AST_FRFLAG_FROM_TRANSLATOR);
pvt->samples = 0;
- } else if (ztp->fake == 1) {
+ } else if (dahdip->fake == 1) {
return NULL;
} else {
if (hdr->dstlen) {
#ifdef DEBUG_TRANSCODE
- ztp->totalms += hdr->dstsamples;
- if ((ztp->totalms - ztp->lasttotalms) > 8000) {
- printf("Whee %p, %d (%d to %d)\n", ztp, hdr->dstlen, ztp->lasttotalms, ztp->totalms);
- ztp->lasttotalms = ztp->totalms;
+ dahdip->totalms += hdr->dstsamples;
+ if ((dahdip->totalms - dahdip->lasttotalms) > 8000) {
+ printf("Whee %p, %d (%d to %d)\n", dahdip, hdr->dstlen, dahdip->lasttotalms, dahdip->totalms);
+ dahdip->lasttotalms = dahdip->totalms;
}
#endif
pvt->f.frametype = AST_FRAME_VOICE;
@@ -193,8 +192,8 @@ static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
} else {
if (hdr->srclen) {
hdr->dstoffset = AST_FRIENDLY_OFFSET;
- x = ZT_TCOP_TRANSCODE;
- if (ioctl(ztp->fd, ZT_TRANSCODE_OP, &x))
+ x = DAHDI_TCOP_TRANSCODE;
+ if (ioctl(dahdip->fd, DAHDI_TRANSCODE_OP, &x))
ast_log(LOG_WARNING, "Failed to transcode: %s\n", strerror(errno));
}
return NULL;
@@ -204,16 +203,16 @@ static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
return &pvt->f;
}
-static void zap_destroy(struct ast_trans_pvt *pvt)
+static void dahdi_destroy(struct ast_trans_pvt *pvt)
{
- struct pvt *ztp = pvt->pvt;
+ struct pvt *dahdip = pvt->pvt;
unsigned int x;
- x = ZT_TCOP_RELEASE;
- if (ioctl(ztp->fd, ZT_TRANSCODE_OP, &x))
+ x = DAHDI_TCOP_RELEASE;
+ if (ioctl(dahdip->fd, DAHDI_TRANSCODE_OP, &x))
ast_log(LOG_WARNING, "Failed to release transcoder channel: %s\n", strerror(errno));
- switch (ztp->hdr->dstfmt) {
+ switch (dahdip->hdr->dstfmt) {
case AST_FORMAT_G729A:
case AST_FORMAT_G723_1:
ast_atomic_fetchadd_int(&channels.encoders, -1);
@@ -223,20 +222,20 @@ static void zap_destroy(struct ast_trans_pvt *pvt)
break;
}
- munmap(ztp->hdr, sizeof(*ztp->hdr));
- close(ztp->fd);
+ munmap(dahdip->hdr, sizeof(*dahdip->hdr));
+ close(dahdip->fd);
}
-static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
+static int dahdi_translate(struct ast_trans_pvt *pvt, int dest, int source)
{
- /* Request translation through zap if possible */
+ /* Request translation through dahdi if possible */
int fd;
- unsigned int x = ZT_TCOP_ALLOCATE;
- struct pvt *ztp = pvt->pvt;
- struct zt_transcode_header *hdr;
+ unsigned int x = DAHDI_TCOP_ALLOCATE;
+ struct pvt *dahdip = pvt->pvt;
+ struct dahdi_transcode_header *hdr;
int flags;
- if ((fd = open("/dev/zap/transcode", O_RDWR)) < 0)
+ if ((fd = open("/dev/dahdi/transcode", O_RDWR)) < 0)
return -1;
flags = fcntl(fd, F_GETFL);
if (flags > - 1) {
@@ -252,7 +251,7 @@ static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
return -1;
}
- if (hdr->magic != ZT_TRANSCODE_MAGIC) {
+ if (hdr->magic != DAHDI_TRANSCODE_MAGIC) {
ast_log(LOG_ERROR, "Transcoder header (%08x) wasn't magic. Abandoning\n", hdr->magic);
munmap(hdr, sizeof(*hdr));
close(fd);
@@ -262,7 +261,7 @@ static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
hdr->srcfmt = (1 << source);
hdr->dstfmt = (1 << dest);
- if (ioctl(fd, ZT_TRANSCODE_OP, &x)) {
+ if (ioctl(fd, DAHDI_TRANSCODE_OP, &x)) {
ast_log(LOG_ERROR, "Unable to attach transcoder: %s\n", strerror(errno));
munmap(hdr, sizeof(*hdr));
close(fd);
@@ -270,9 +269,9 @@ static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
return -1;
}
- ztp = pvt->pvt;
- ztp->fd = fd;
- ztp->hdr = hdr;
+ dahdip = pvt->pvt;
+ dahdip->fd = fd;
+ dahdip->hdr = hdr;
switch (hdr->dstfmt) {
case AST_FORMAT_G729A:
@@ -287,9 +286,9 @@ static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
return 0;
}
-static int zap_new(struct ast_trans_pvt *pvt)
+static int dahdi_new(struct ast_trans_pvt *pvt)
{
- return zap_translate(pvt, pvt->t->dstfmt, pvt->t->srcfmt);
+ return dahdi_translate(pvt, pvt->t->dstfmt, pvt->t->srcfmt);
}
static struct ast_frame *fakesrc_sample(void)
@@ -306,31 +305,31 @@ static struct ast_frame *fakesrc_sample(void)
static int register_translator(int dst, int src)
{
- struct translator *zt;
+ struct translator *dahdi;
int res;
- if (!(zt = ast_calloc(1, sizeof(*zt))))
+ if (!(dahdi = ast_calloc(1, sizeof(*dahdi))))
return -1;
- snprintf((char *) (zt->t.name), sizeof(zt->t.name), "zap%sto%s",
+ snprintf((char *) (dahdi->t.name), sizeof(dahdi->t.name), "DAHDI%sto%s",
ast_getformatname((1 << src)), ast_getformatname((1 << dst)));
- zt->t.srcfmt = (1 << src);
- zt->t.dstfmt = (1 << dst);
- zt->t.newpvt = zap_new;
- zt->t.framein = zap_framein;
- zt->t.frameout = zap_frameout;
- zt->t.destroy = zap_destroy;
- zt->t.sample = fakesrc_sample;
- zt->t.useplc = global_useplc;
- zt->t.buf_size = BUFFER_SAMPLES * 2;
- zt->t.desc_size = sizeof(struct pvt);
- if ((res = ast_register_translator(&zt->t))) {
- ast_free(zt);
+ dahdi->t.srcfmt = (1 << src);
+ dahdi->t.dstfmt = (1 << dst);
+ dahdi->t.newpvt = dahdi_new;
+ dahdi->t.framein = dahdi_framein;
+ dahdi->t.frameout = dahdi_frameout;
+ dahdi->t.destroy = dahdi_destroy;
+ dahdi->t.sample = fakesrc_sample;
+ dahdi->t.useplc = global_useplc;
+ dahdi->t.buf_size = BUFFER_SAMPLES * 2;
+ dahdi->t.desc_size = sizeof(struct pvt);
+ if ((res = ast_register_translator(&dahdi->t))) {
+ ast_free(dahdi);
return -1;
}
AST_LIST_LOCK(&translators);
- AST_LIST_INSERT_HEAD(&translators, zt, entry);
+ AST_LIST_INSERT_HEAD(&translators, dahdi, entry);
AST_LIST_UNLOCK(&translators);
global_format_map.map[dst][src] = 1;
@@ -386,7 +385,7 @@ static int parse_config(int reload)
for (var = ast_variable_browse(cfg, "plc"); var; var = var->next) {
if (!strcasecmp(var->name, "genericplc")) {
global_useplc = ast_true(var->value);
- ast_verb(3, "codec_zap: %susing generic PLC\n",
+ ast_verb(3, "codec_dahdi: %susing generic PLC\n",
global_useplc ? "" : "not ");
}
}
@@ -417,18 +416,18 @@ static void build_translators(struct format_map *map, unsigned int dstfmts, unsi
static int find_transcoders(void)
{
- struct zt_transcode_info info = { 0, };
+ struct dahdi_transcode_info info = { 0, };
struct format_map map = { { { 0 } } };
int fd, res;
unsigned int x, y;
- if ((fd = open("/dev/zap/transcode", O_RDWR)) < 0) {
+ if ((fd = open("/dev/dahdi/transcode", O_RDWR)) < 0) {
ast_verbose(VERBOSE_PREFIX_2 "No hardware transcoders found.\n");
return 0;
}
- info.op = ZT_TCOP_GETINFO;
- for (info.tcnum = 0; !(res = ioctl(fd, ZT_TRANSCODE_OP, &info)); info.tcnum++) {
+ info.op = DAHDI_TCOP_GETINFO;
+ for (info.tcnum = 0; !(res = ioctl(fd, DAHDI_TRANSCODE_OP, &info)); info.tcnum++) {
ast_verb(2, "Found transcoder '%s'.\n", info.name);
build_translators(&map, info.dstfmts, info.srcfmts);
ast_atomic_fetchadd_int(&channels.total, info.numchannels / 2);
@@ -481,7 +480,7 @@ static int load_module(void)
return AST_MODULE_LOAD_SUCCESS;
}
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Generic Zaptel Transcoder Codec Translator",
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Generic DAHDI Transcoder Codec Translator",
.load = load_module,
.unload = unload_module,
.reload = reload,
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-17 17:56:59 +0000