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

build here, too.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@58101 65c4cc65-6c06-0410-ace0-fbb531ad65f3

codecs/codec_zap.c

@@ -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;
 }