[asterisk-commits] russell: trunk r58101 - /trunk/codecs/codec_zap.c
asterisk-commits at lists.digium.com
asterisk-commits at lists.digium.com
Tue Mar 6 15:15:02 MST 2007
Author: russell
Date: Tue Mar 6 16:15:02 2007
New Revision: 58101
URL: http://svn.digium.com/view/asterisk?view=rev&rev=58101
Log:
Sync codec_zap with the one that is in the 1.4 branch so that it can actually
build here, too.
Modified:
trunk/codecs/codec_zap.c
Modified: trunk/codecs/codec_zap.c
URL: http://svn.digium.com/view/asterisk/trunk/codecs/codec_zap.c?view=diff&rev=58101&r1=58100&r2=58101
==============================================================================
--- trunk/codecs/codec_zap.c (original)
+++ trunk/codecs/codec_zap.c Tue Mar 6 16:15:02 2007
@@ -44,14 +44,13 @@
#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 @@
#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 @@
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 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 @@
/* 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 @@
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 @@
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 @@
#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 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 @@
{
/* 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 @@
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 @@
/* 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 @@
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 @@
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 @@
{
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 @@
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 @@
if (!register_translator(dst, src))
map->map[dst][src] = 1;
- else
- return 0;
}
}
- return 1;
}
static int find_transcoders(void)
@@ -513,12 +368,7 @@
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 @@
drop_translator(x, y);
}
}
- ast_mutex_lock(&channelcount);
- totalchannels = totalchannels/2;
- ast_mutex_unlock(&channelcount);
+
return 0;
}
@@ -544,10 +392,10 @@
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 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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