1 files changed, 0 insertions, 488 deletions

diff --git a/trunk/codecs/codec_zap.c b/trunk/codecs/codec_zap.c
deleted file mode 100644
index 01d9a1ed1..000000000
--- a/trunk/codecs/codec_zap.c
+++ /dev/null
@@ -1,488 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Zaptel native transcoding support
- *
- * Copyright (C) 1999 - 2006, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- * Kevin P. Fleming <kpfleming@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief Translate between various formats natively through Zaptel transcoding
- *
- * \ingroup codecs
- */
-
-/*** MODULEINFO
-	<depend>zaptel_transcode</depend>
-	<depend>zaptel</depend>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <fcntl.h>
-#include <netinet/in.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <zaptel/zaptel.h>
-
-#include "asterisk/lock.h"
-#include "asterisk/translate.h"
-#include "asterisk/config.h"
-#include "asterisk/module.h"
-#include "asterisk/cli.h"
-#include "asterisk/channel.h"
-#include "asterisk/utils.h"
-#include "asterisk/linkedlists.h"
-
-#define BUFFER_SAMPLES	8000
-
-static unsigned int global_useplc = 0;
-
-static struct channel_usage {
-	int total;
-	int encoders;
-	int decoders;
-} channels;
-
-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.")
-};
-
-struct format_map {
-	unsigned int map[32][32];
-};
-
-static struct format_map global_format_map = { { { 0 } } };
-
-struct translator {
-	struct ast_translator t;
-	AST_LIST_ENTRY(translator) entry;
-};
-
-static AST_LIST_HEAD_STATIC(translators, translator);
-
-struct pvt {
-	int fd;
-	int fake;
-#ifdef DEBUG_TRANSCODE
-	int totalms;
-	int lasttotalms;
-#endif
-	struct zt_transcode_header *hdr;
-};
-
-static char *handle_cli_transcoder_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
-{
-	struct channel_usage copy;
-
-	switch (cmd) {
-	case CLI_INIT:
-		e->command = "transcoder show";
-		e->usage =
-			"Usage: transcoder show\n"
-			"       Displays channel utilization of Zaptel transcoder(s).\n";
-		return NULL;
-	case CLI_GENERATE:
-		return NULL;
-	}
-
-	if (a->argc != 2)
-		return CLI_SHOWUSAGE;
-
-	copy = channels;
-
-	if (copy.total == 0)
-		ast_cli(a->fd, "No Zaptel 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)
-{
-	struct pvt *ztp = pvt->pvt;
-	struct zt_transcode_header *hdr = ztp->hdr;
-
-	if (!f->subclass) {
-		/* Fake a return frame for calculation purposes */
-		ztp->fake = 2;
-		pvt->samples = f->samples;
-		return 0;
-	}
-
-	if (!hdr->srclen)
-		/* Copy at front of buffer */
-		hdr->srcoffset = 0;
-
-	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)) {
-		/* Very unlikely */
-		memmove(hdr->srcdata, hdr->srcdata + hdr->srcoffset, hdr->srclen);
-		hdr->srcoffset = 0;
-	}
-
-	memcpy(hdr->srcdata + hdr->srcoffset + hdr->srclen, f->data, f->datalen);
-	hdr->srclen += f->datalen;
-	pvt->samples += f->samples;
-
-	return -1;
-}
-
-static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
-{
-	struct pvt *ztp = pvt->pvt;
-	struct zt_transcode_header *hdr = ztp->hdr;
-	unsigned int x;
-
-	if (ztp->fake == 2) {
-		ztp->fake = 1;
-		pvt->f.frametype = AST_FRAME_VOICE;
-		pvt->f.subclass = 0;
-		pvt->f.samples = 160;
-		pvt->f.data = NULL;
-		pvt->f.offset = 0;
-		pvt->f.datalen = 0;
-		pvt->f.mallocd = 0;
-		ast_set_flag(&pvt->f, AST_FRFLAG_FROM_TRANSLATOR);
-		pvt->samples = 0;
-	} else if (ztp->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;
-			}
-#endif
-			pvt->f.frametype = AST_FRAME_VOICE;
-			pvt->f.subclass = hdr->dstfmt;
-			pvt->f.samples = hdr->dstsamples;
-			pvt->f.data = hdr->dstdata + hdr->dstoffset;
-			pvt->f.offset = hdr->dstoffset;
-			pvt->f.datalen = hdr->dstlen;
-			pvt->f.mallocd = 0;
-			ast_set_flag(&pvt->f, AST_FRFLAG_FROM_TRANSLATOR);
-			pvt->samples -= pvt->f.samples;
-			hdr->dstlen = 0;
-			
-		} else {
-			if (hdr->srclen) {
-				hdr->dstoffset = AST_FRIENDLY_OFFSET;
-				x = ZT_TCOP_TRANSCODE;
-				if (ioctl(ztp->fd, ZT_TRANSCODE_OP, &x))
-					ast_log(LOG_WARNING, "Failed to transcode: %s\n", strerror(errno));
-			}
-			return NULL;
-		}
-	}
-
-	return &pvt->f;
-}
-
-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));
-
-	switch (ztp->hdr->dstfmt) {
-	case AST_FORMAT_G729A:
-	case AST_FORMAT_G723_1:
-		ast_atomic_fetchadd_int(&channels.encoders, -1);
-		break;
-	default:
-		ast_atomic_fetchadd_int(&channels.decoders, -1);
-		break;
-	}
-
-	munmap(ztp->hdr, sizeof(*ztp->hdr));
-	close(ztp->fd);
-}
-
-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_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));
-		close(fd);
-
-		return -1;
-	}
-
-	if (hdr->magic != ZT_TRANSCODE_MAGIC) {
-		ast_log(LOG_ERROR, "Transcoder header (%08x) wasn't magic.  Abandoning\n", hdr->magic);
-		munmap(hdr, sizeof(*hdr));
-		close(fd);
-
-		return -1;
-	}
-	
-	hdr->srcfmt = (1 << source);
-	hdr->dstfmt = (1 << dest);
-	if (ioctl(fd, ZT_TRANSCODE_OP, &x)) {
-		ast_log(LOG_ERROR, "Unable to attach transcoder: %s\n", strerror(errno));
-		munmap(hdr, sizeof(*hdr));
-		close(fd);
-
-		return -1;
-	}
-
-	ztp = pvt->pvt;
-	ztp->fd = fd;
-	ztp->hdr = hdr;
-
-	switch (hdr->dstfmt) {
-	case AST_FORMAT_G729A:
-	case AST_FORMAT_G723_1:
-		ast_atomic_fetchadd_int(&channels.encoders, +1);
-		break;
-	default:
-		ast_atomic_fetchadd_int(&channels.decoders, +1);
-		break;
-	}
-
-	return 0;
-}
-
-static int zap_new(struct ast_trans_pvt *pvt)
-{
-	return zap_translate(pvt, pvt->t->dstfmt, pvt->t->srcfmt);
-}
-
-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 = 160,
-		.src = __PRETTY_FUNCTION__
-	};
-
-	return &f;
-}
-
-static int register_translator(int dst, int src)
-{
-	struct translator *zt;
-	int res;
-
-	if (!(zt = ast_calloc(1, sizeof(*zt))))
-		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);
-	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);
-		return -1;
-	}
-
-	AST_LIST_LOCK(&translators);
-	AST_LIST_INSERT_HEAD(&translators, zt, entry);
-	AST_LIST_UNLOCK(&translators);
-
-	global_format_map.map[dst][src] = 1;
-
-	return res;
-}
-
-static void drop_translator(int dst, int src)
-{
-	struct translator *cur;
-
-	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(entry);
-		ast_unregister_translator(&cur->t);
-		ast_free(cur);
-		global_format_map.map[dst][src] = 0;
-		break;
-	}
-	AST_LIST_TRAVERSE_SAFE_END;
-	AST_LIST_UNLOCK(&translators);
-}
-
-static void unregister_translators(void)
-{
-	struct translator *cur;
-
-	AST_LIST_LOCK(&translators);
-	while ((cur = AST_LIST_REMOVE_HEAD(&translators, entry))) {
-		ast_unregister_translator(&cur->t);
-		ast_free(cur);
-	}
-	AST_LIST_UNLOCK(&translators);
-}
-
-static int parse_config(int reload)
-{
-	struct ast_variable *var;
-	struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
-	struct ast_config *cfg = ast_config_load("codecs.conf", config_flags);
-
-	if (cfg == NULL)
-		return 0;
-	if (cfg == CONFIG_STATUS_FILEUNCHANGED)
-		return 0;
-
-	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",
-					   global_useplc ? "" : "not ");
-	       }
-	}
-	ast_config_destroy(cfg);
-	return 0;
-}
-
-static void build_translators(struct format_map *map, unsigned int dstfmts, unsigned int srcfmts)
-{
-	unsigned int src, dst;
-
-	for (src = 0; src < 32; src++) {
-		for (dst = 0; dst < 32; dst++) {
-			if (!(srcfmts & (1 << src)))
-				continue;
-
-			if (!(dstfmts & (1 << dst)))
-				continue;
-
-			if (global_format_map.map[dst][src])
-				continue;
-
-			if (!register_translator(dst, src))
-				map->map[dst][src] = 1;
-		}
-	}
-}
-
-static int find_transcoders(void)
-{
-	struct zt_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) {
-		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++) {
-		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);
-	}
-
-	close(fd);
-
-	if (!info.tcnum)
-		ast_verb(2, "No hardware transcoders found.\n");
-
-	for (x = 0; x < 32; x++) {
-		for (y = 0; y < 32; y++) {
-			if (!map.map[x][y] && global_format_map.map[x][y])
-				drop_translator(x, y);
-		}
-	}
-
-	return 0;
-}
-
-static int reload(void)
-{
-	struct translator *cur;
-
-	if (parse_config(1))
-		return AST_MODULE_LOAD_DECLINE;
-
-	AST_LIST_LOCK(&translators);
-	AST_LIST_TRAVERSE(&translators, cur, entry)
-		cur->t.useplc = global_useplc;
-	AST_LIST_UNLOCK(&translators);
-
-	return AST_MODULE_LOAD_SUCCESS;
-}
-
-static int unload_module(void)
-{
-	ast_cli_unregister_multiple(cli, sizeof(cli) / sizeof(cli[0]));
-	unregister_translators();
-
-	return 0;
-}
-
-static int load_module(void)
-{
-	if (parse_config(0))
-		return AST_MODULE_LOAD_DECLINE;
-	find_transcoders();
-	ast_cli_register_multiple(cli, sizeof(cli) / sizeof(cli[0]));
-	return AST_MODULE_LOAD_SUCCESS;
-}
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Generic Zaptel Transcoder Codec Translator",
-		.load = load_module,
-		.unload = unload_module,
-		.reload = reload,
-		);