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asterisk
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Sync codec_zap with the one that is in the 1.4 branch so that it can actually

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build here, too.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@58101 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.6.0
Russell Bryant 18 years ago
parent 52750892b0
commit 40f7aad86f
1 changed files with 29 additions and 183 deletions
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212
codecs/codec_zap.c
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@ -44,14 +44,13 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <sys/ioctl.h>
#include <errno.h>
#include <sys/mman.h>
#include "asterisk/zapata.h"
#include <zaptel/zaptel.h>
#include "asterisk/lock.h"
#include "asterisk/translate.h"
#include "asterisk/config.h"
#include "asterisk/options.h"
#include "asterisk/module.h"
#include "asterisk/cli.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/utils.h"
@ -60,24 +59,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#define BUFFER_SAMPLES 8000
static unsigned int global_useplc = 0;
static int cardsmode = 0;
static int totalchannels = 0;
static int complexinuse = 0;
static int simpleinuse = 0;
AST_MUTEX_DEFINE_STATIC(channelcount);
static const char show_transcoder_usage[] =
"Usage: show transcoder\n"
" Displays transcoder utilization.\n";
static int show_transcoder(int fd, int argc, char *argv[]);
static struct ast_cli_entry transcoder_cli[] = {
{ { "show", "transcoder", NULL},
show_transcoder, "Displays transcoder utilization.",
show_transcoder_usage }
};
struct format_map {
unsigned int map[32][32];
@ -90,12 +71,11 @@ struct translator {
AST_LIST_ENTRY(translator) entry;
};
static AST_LIST_HEAD_STATIC(zap_translators, translator);
static AST_LIST_HEAD_STATIC(translators, translator);
struct pvt {
int fd;
int fake;
int inuse;
#ifdef DEBUG_TRANSCODE
int totalms;
int lasttotalms;
@ -104,31 +84,6 @@ struct pvt {
struct ast_frame f;
};
static void activate_translator(int simple);
static void deactivate_translator(int simple);
static int show_transcoder(int fd, int argc, char *argv[])
{
ast_mutex_lock(&channelcount);
if (!totalchannels) {
ast_cli(fd, "No transcoder card registered\n");
ast_mutex_unlock(&channelcount);
return RESULT_SUCCESS;
}
if(!cardsmode)
ast_cli(fd, "%d/%d encoders/decoders of %d channels (G.729a / G.723.1 5.3 kbps) are in use.\n", complexinuse, simpleinuse, totalchannels);
else if (cardsmode == 1)
ast_cli(fd, "%d/%d encoders/decoders of %d channels (G.729a) are in use.\n", complexinuse, simpleinuse, totalchannels);
else if (cardsmode == 2)
ast_cli(fd, "%d/%d encoders/decoders of %d channels (G.723.1 5.3 kbps) are in use.\n", complexinuse, simpleinuse, totalchannels);
ast_mutex_unlock(&channelcount);
return RESULT_SUCCESS;
}
static int zap_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
{
struct pvt *ztp = pvt->pvt;
@ -145,12 +100,12 @@ static int zap_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
/* Copy at front of buffer */
hdr->srcoffset = 0;
if ((hdr->srclen + f->datalen) > sizeof(hdr->srcdata)) {
if (hdr->srclen + f->datalen > sizeof(hdr->srcdata)) {
ast_log(LOG_WARNING, "Out of space for codec translation!\n");
return -1;
}
if ((hdr->srclen + f->datalen + hdr->srcoffset) > sizeof(hdr->srcdata)) {
if (hdr->srclen + f->datalen + hdr->srcoffset > sizeof(hdr->srcdata)) {
/* Very unlikely */
memmove(hdr->srcdata, hdr->srcdata + hdr->srcoffset, hdr->srclen);
hdr->srcoffset = 0;
@ -160,7 +115,7 @@ static int zap_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
hdr->srclen += f->datalen;
pvt->samples += f->samples;
return 0;
return -1;
}
static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
@ -173,7 +128,7 @@ static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
ztp->fake = 1;
ztp->f.frametype = AST_FRAME_VOICE;
ztp->f.subclass = 0;
ztp->f.samples = 240;
ztp->f.samples = 160;
ztp->f.data = NULL;
ztp->f.offset = 0;
ztp->f.datalen = 0;
@ -186,7 +141,7 @@ static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
#ifdef DEBUG_TRANSCODE
ztp->totalms += hdr->dstsamples;
if ((ztp->totalms - ztp->lasttotalms) > 8000) {
ast_verbose("Whee %p, %d (%d to %d)\n", ztp, hdr->dstlen, ztp->lasttotalms, ztp->totalms);
printf("Whee %p, %d (%d to %d)\n", ztp, hdr->dstlen, ztp->lasttotalms, ztp->totalms);
ztp->lasttotalms = ztp->totalms;
}
#endif
@ -217,26 +172,8 @@ static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
static void zap_destroy(struct ast_trans_pvt *pvt)
{
struct pvt *ztp = pvt->pvt;
unsigned int x;
x = ZT_TCOP_RELEASE;
if (ioctl(ztp->fd, ZT_TRANSCODE_OP, &x))
ast_log(LOG_WARNING, "Failed to release transcoder channel: %s\n", strerror(errno));
munmap(ztp->hdr, sizeof(*ztp->hdr));
if(ztp->inuse) {
ast_mutex_lock(&channelcount);
if(pvt->t->dstfmt == 8 || pvt->t->dstfmt == 0) {
if(complexinuse == totalchannels)
activate_translator(0);
complexinuse--;
} else {
if(simpleinuse == totalchannels)
activate_translator(1);
simpleinuse--;
}
ast_mutex_unlock(&channelcount);
}
close(ztp->fd);
}
@ -244,19 +181,19 @@ static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
{
/* Request translation through zap if possible */
int fd;
unsigned int x = ZT_TCOP_RESET;
unsigned int x = ZT_TCOP_ALLOCATE;
struct pvt *ztp = pvt->pvt;
struct zt_transcode_header *hdr;
int flags;
if ((fd = open("/dev/zap/transcode", O_RDWR)) < 0)
return -1;
flags = fcntl(fd, F_GETFL);
if (flags > - 1) {
if (fcntl(fd, F_SETFL, flags | O_NONBLOCK))
ast_log(LOG_WARNING, "Could not set non-block mode!\n");
}
if ((hdr = mmap(NULL, sizeof(*hdr), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) {
ast_log(LOG_ERROR, "Memory Map failed for transcoding (%s)\n", strerror(errno));
@ -283,31 +220,6 @@ static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
return -1;
}
ast_mutex_lock(&channelcount);
if(pvt->t->dstfmt == 8 || pvt->t->dstfmt == 0 ) {
if (complexinuse == totalchannels) {
ast_mutex_unlock(&channelcount);
munmap(hdr, sizeof(*hdr));
close(fd);
return -1;
}
complexinuse++;
if(complexinuse == totalchannels)
deactivate_translator(0);
} else {
if (simpleinuse == totalchannels) {
ast_mutex_unlock(&channelcount);
munmap(hdr, sizeof(*hdr));
close(fd);
return -1;
}
simpleinuse++;
if(simpleinuse == totalchannels)
deactivate_translator(1);
}
ast_mutex_unlock(&channelcount);
ztp->inuse = 1;
ztp = pvt->pvt;
ztp->fd = fd;
ztp->hdr = hdr;
@ -325,7 +237,7 @@ static struct ast_frame *fakesrc_sample(void)
/* Don't bother really trying to test hardware ones. */
static struct ast_frame f = {
.frametype = AST_FRAME_VOICE,
.samples = 240,
.samples = 160,
.src = __PRETTY_FUNCTION__
};
@ -339,8 +251,7 @@ static int register_translator(int dst, int src)
if (!(zt = ast_calloc(1, sizeof(*zt))))
return -1;
if (!((cardsmode == 1 && (dst == 8 || src == 8)) || (cardsmode == 2 && (dst == 0 || src == 0)) || (cardsmode == 0)))
return -1;
snprintf((char *) (zt->t.name), sizeof(zt->t.name), "zap%sto%s",
ast_getformatname((1 << src)), ast_getformatname((1 << dst)));
zt->t.srcfmt = (1 << src);
@ -358,9 +269,9 @@ static int register_translator(int dst, int src)
return -1;
}
AST_LIST_LOCK(&zap_translators);
AST_LIST_INSERT_HEAD(&zap_translators, zt, entry);
AST_LIST_UNLOCK(&zap_translators);
AST_LIST_LOCK(&translators);
AST_LIST_INSERT_HEAD(&translators, zt, entry);
AST_LIST_UNLOCK(&translators);
global_format_map.map[dst][src] = 1;
@ -371,83 +282,40 @@ static void drop_translator(int dst, int src)
{
struct translator *cur;
AST_LIST_LOCK(&zap_translators);
AST_LIST_TRAVERSE_SAFE_BEGIN(&zap_translators, cur, entry) {
AST_LIST_LOCK(&translators);
AST_LIST_TRAVERSE_SAFE_BEGIN(&translators, cur, entry) {
if (cur->t.srcfmt != src)
continue;
if (cur->t.dstfmt != dst)
continue;
AST_LIST_REMOVE_CURRENT(&zap_translators, entry);
AST_LIST_REMOVE_CURRENT(&translators, entry);
ast_unregister_translator(&cur->t);
free(cur);
global_format_map.map[dst][src] = 0;
break;
}
AST_LIST_TRAVERSE_SAFE_END;
AST_LIST_UNLOCK(&zap_translators);
AST_LIST_UNLOCK(&translators);
}
static void unregister_translators(void)
{
struct translator *cur;
AST_LIST_LOCK(&zap_translators);
while ((cur = AST_LIST_REMOVE_HEAD(&zap_translators, entry))) {
AST_LIST_LOCK(&translators);
while ((cur = AST_LIST_REMOVE_HEAD(&translators, entry))) {
ast_unregister_translator(&cur->t);
free(cur);
}
AST_LIST_UNLOCK(&zap_translators);
}
static void activate_translator(int simple)
{
struct translator *cur;
AST_LIST_LOCK(&zap_translators);
AST_LIST_TRAVERSE_SAFE_BEGIN(&zap_translators, cur, entry) {
if(!simple) {
if (cur->t.dstfmt == 0 || cur->t.dstfmt == 8) {
ast_translator_activate(&cur->t);
}
} else {
if(cur->t.dstfmt == 2 || cur->t.dstfmt == 3) {
ast_translator_activate(&cur->t);
}
}
}
AST_LIST_TRAVERSE_SAFE_END;
AST_LIST_UNLOCK(&zap_translators);
}
static void deactivate_translator(int simple)
{
struct translator *cur;
AST_LIST_LOCK(&zap_translators);
AST_LIST_TRAVERSE_SAFE_BEGIN(&zap_translators, cur, entry) {
if(!simple) {
if (cur->t.dstfmt == 0 || cur->t.dstfmt == 8) {
ast_translator_deactivate(&cur->t);
}
} else {
if(cur->t.dstfmt == 2 || cur->t.dstfmt == 3) {
ast_translator_deactivate(&cur->t);
}
}
}
AST_LIST_TRAVERSE_SAFE_END;
AST_LIST_UNLOCK(&zap_translators);
AST_LIST_UNLOCK(&translators);
}
static void parse_config(void)
{
struct ast_variable *var;
struct ast_config *cfg = ast_config_load("codecs.conf");
cardsmode = 0;
if (!cfg)
return;
@ -460,21 +328,11 @@ static void parse_config(void)
global_useplc ? "" : "not ");
}
}
for (var = ast_variable_browse(cfg, "transcoder_card"); var; var = var->next) {
if (!strcasecmp(var->name, "mode")) {
if(strstr(var->value, "g729"))
cardsmode = 1;
else if(strstr(var->value, "g723"))
cardsmode = 2;
else if(strstr(var->value, "mixed"))
cardsmode = 0;
}
}
ast_config_destroy(cfg);
}
static int build_translators(struct format_map *map, unsigned int dstfmts, unsigned int srcfmts)
static void build_translators(struct format_map *map, unsigned int dstfmts, unsigned int srcfmts)
{
unsigned int src, dst;
@ -491,11 +349,8 @@ static int build_translators(struct format_map *map, unsigned int dstfmts, unsig
if (!register_translator(dst, src))
map->map[dst][src] = 1;
else
return 0;
}
}
return 1;
}
static int find_transcoders(void)
@ -513,12 +368,7 @@ static int find_transcoders(void)
for (info.tcnum = 0; !(res = ioctl(fd, ZT_TRANSCODE_OP, &info)); info.tcnum++) {
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "Found transcoder '%s'.\n", info.name);
if(build_translators(&map, info.dstfmts, info.srcfmts)) {
ast_mutex_lock(&channelcount);
totalchannels += info.numchannels;
ast_mutex_unlock(&channelcount);
}
build_translators(&map, info.dstfmts, info.srcfmts);
}
close(fd);
@ -531,9 +381,7 @@ static int find_transcoders(void)
drop_translator(x, y);
}
}
ast_mutex_lock(&channelcount);
totalchannels = totalchannels/2;
ast_mutex_unlock(&channelcount);
return 0;
}
@ -544,10 +392,10 @@ static int reload(void)
parse_config();
find_transcoders();
AST_LIST_LOCK(&zap_translators);
AST_LIST_TRAVERSE(&zap_translators, cur, entry)
AST_LIST_LOCK(&translators);
AST_LIST_TRAVERSE(&translators, cur, entry)
cur->t.useplc = global_useplc;
AST_LIST_UNLOCK(&zap_translators);
AST_LIST_UNLOCK(&translators);
return 0;
}
@ -555,17 +403,15 @@ static int reload(void)
static int unload_module(void)
{
unregister_translators();
ast_cli_unregister_multiple(transcoder_cli, sizeof(transcoder_cli) / sizeof(struct ast_cli_entry));
return 0;
}
static int load_module(void)
{
ast_mutex_init(&channelcount);
parse_config();
find_transcoders();
ast_cli_register_multiple(transcoder_cli, sizeof(transcoder_cli) / sizeof(struct ast_cli_entry));
return 0;
}

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