1 files changed, 0 insertions, 480 deletions
diff --git a/1.4.23-rc4/codecs/codec_dahdi.c b/1.4.23-rc4/codecs/codec_dahdi.c
deleted file mode 100644
index 347fc8012..000000000
--- a/1.4.23-rc4/codecs/codec_dahdi.c
+++ /dev/null
@@ -1,480 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * DAHDI native transcoding support
- *
- * Copyright (C) 1999 - 2008, 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 DAHDI transcoding
- *
- * \ingroup codecs
- */
-
-/*** MODULEINFO
-	<depend>dahdi_transcode</depend>
-	<depend>dahdi</depend>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <stdio.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <sys/mman.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"
-#include "asterisk/linkedlists.h"
-#include "asterisk/dahdi_compat.h"
-
-#define BUFFER_SAMPLES	8000
-
-static unsigned int global_useplc = 0;
-
-static struct channel_usage {
-	int total;
-	int encoders;
-	int decoders;
-} channels;
-
-static char show_transcoder_usage[] =
-"Usage: show transcoder\n"
-"       Displays channel utilization of DAHDI transcoder(s).\n";
-
-static char transcoder_show_usage[] =
-"Usage: transcoder show\n"
-"       Displays channel utilization of DAHDI transcoder(s).\n";
-
-static int transcoder_show(int fd, int argc, char **argv);
-
-static struct ast_cli_entry cli_deprecated[] = {
-	{ { "show", "transcoder", NULL },
-	  transcoder_show,
-	  "Display DAHDI transcoder utilization.",
-	  show_transcoder_usage}
-};
-
-static struct ast_cli_entry cli[] = {
-	{ { "transcoder", "show", NULL },
-	  transcoder_show,
-	  "Display DAHDI transcoder utilization.",
-	  transcoder_show_usage, NULL,
-	  &cli_deprecated[0]}
-};
-
-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;
-	int samples;
-	struct dahdi_transcoder_formats fmts;
-};
-
-static int transcoder_show(int fd, int argc, char **argv)
-{
-	struct channel_usage copy;
-
-	copy = channels;
-
-	if (copy.total == 0)
-		ast_cli(fd, "No DAHDI transcoders found.\n");
-	else
-		ast_cli(fd, "%d/%d encoders/decoders of %d channels are in use.\n", copy.encoders, copy.decoders, copy.total);
-
-	return RESULT_SUCCESS;
-}
-
-static int zap_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
-{
-	int res;
-	struct pvt *ztp = pvt->pvt;
-
-	if (f->subclass) {
-		/* Give the frame to the hardware transcoder... */
-		res = write(ztp->fd, f->data, f->datalen); 
-		if (-1 == res) {
-			ast_log(LOG_ERROR, "Failed to write to transcoder: %s\n", strerror(errno));
-		}
-		if (f->datalen != res) {
-			ast_log(LOG_ERROR, "Requested write of %d bytes, but only wrote %d bytes.\n", f->datalen, res);
-		}
-		res = -1;
-		pvt->samples += f->samples;
-	} else {
-		/* Fake a return frame for calculation purposes */
-		ztp->fake = 2;
-		pvt->samples = f->samples;
-		res = 0;
-	}
-	return res;
-}
-
-static struct ast_frame *zap_frameout(struct ast_trans_pvt *pvt)
-{
-	struct pvt *ztp = pvt->pvt;
-
-	if (0 == ztp->fake) {
-		int res;
-		/* Let's check to see if there is a new frame for us.... */
-		res = read(ztp->fd, pvt->outbuf + pvt->datalen, pvt->t->buf_size - pvt->datalen);
-		if (-1 == res) {
-			if (EWOULDBLOCK == errno) {
-				/* Nothing waiting... */
-				return NULL;
-			} else {
-				ast_log(LOG_ERROR, "Failed to read from transcoder: %s\n", strerror(errno));
-				return NULL;
-			}
-		} else {
-			pvt->f.samples = ztp->samples;
-			pvt->f.datalen = res;
-			pvt->datalen = 0;
-			pvt->f.frametype = AST_FRAME_VOICE;
-			pvt->f.subclass = 1 <<  (pvt->t->dstfmt);
-			pvt->f.mallocd = 0;
-			pvt->f.offset = AST_FRIENDLY_OFFSET;
-			pvt->f.src = pvt->t->name;
-			pvt->f.data = pvt->outbuf;
-			ast_set_flag(&pvt->f, AST_FRFLAG_FROM_TRANSLATOR);
-
-			return &pvt->f;
-		}
-
-	} else if (2 == ztp->fake) {
-
-		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;
-
-		return &pvt->f;
-
-	} else if (1 == ztp->fake) {
-
-		return NULL;
-
-	}
-	/* Shouldn't get here... */
-	return NULL;
-}
-
-static void zap_destroy(struct ast_trans_pvt *pvt)
-{
-	struct pvt *ztp = pvt->pvt;
-
-	switch (ztp->fmts.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;
-	}
-
-	close(ztp->fd);
-}
-
-static int zap_translate(struct ast_trans_pvt *pvt, int dest, int source)
-{
-	/* Request translation through zap if possible */
-	int fd;
-	struct pvt *ztp = pvt->pvt;
-	int flags;
-	
-	if ((fd = open(DAHDI_FILE_TRANSCODE, O_RDWR)) < 0) {
-		ast_log(LOG_ERROR, "Failed to open " DAHDI_FILE_TRANSCODE ": %s\n", strerror(errno));
-		return -1;
-	}
-	
-	ztp->fmts.srcfmt = (1 << source);
-	ztp->fmts.dstfmt = (1 << dest);
-
-	ast_log(LOG_VERBOSE, "Opening transcoder channel from %d to %d.\n", source, dest);
-
-	if (ioctl(fd, DAHDI_TC_ALLOCATE, &ztp->fmts)) {
-		ast_log(LOG_ERROR, "Unable to attach to transcoder: %s\n", strerror(errno));
-		close(fd);
-
-		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");
-	}
-
-	ztp->fd = fd;
-
-	switch (ztp->fmts.dstfmt) {
-	case AST_FORMAT_G729A:
-		ztp->samples = 160;
-		break;
-	case AST_FORMAT_G723_1:
-		ztp->samples = 240;
-		break;
-	default:
-		ztp->samples = 160;
-		break;
-	};
-
-	switch (ztp->fmts.dstfmt) {
-	case AST_FORMAT_G729A:
-		ast_atomic_fetchadd_int(&channels.encoders, +1);
-		break;
-	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))) {
-		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(&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(&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);
-		free(cur);
-	}
-	AST_LIST_UNLOCK(&translators);
-}
-
-static void parse_config(void)
-{
-	struct ast_variable *var;
-	struct ast_config *cfg = ast_config_load("codecs.conf");
-
-	if (!cfg)
-		return;
-
-	for (var = ast_variable_browse(cfg, "plc"); var; var = var->next) {
-	       if (!strcasecmp(var->name, "genericplc")) {
-		       global_useplc = ast_true(var->value);
-		       if (option_verbose > 2)
-			       ast_verbose(VERBOSE_PREFIX_3 "codec_zap: %susing generic PLC\n",
-					   global_useplc ? "" : "not ");
-	       }
-	}
-
-	ast_config_destroy(cfg);
-}
-
-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 dahdi_transcoder_info info = { 0, };
-	struct format_map map = { { { 0 } } };
-	int fd, res;
-	unsigned int x, y;
-
-	if ((fd = open(DAHDI_FILE_TRANSCODE, O_RDWR)) < 0) {
-		ast_log(LOG_ERROR, "Failed to open " DAHDI_FILE_TRANSCODE ": %s\n", strerror(errno));
-		return 0;
-	}
-
-	for (info.tcnum = 0; !(res = ioctl(fd, DAHDI_TC_GETINFO, &info)); info.tcnum++) {
-		if (option_verbose > 1)
-			ast_verbose(VERBOSE_PREFIX_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 && (option_verbose > 1))
-		ast_verbose(VERBOSE_PREFIX_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;
-
-	parse_config();
-
-	AST_LIST_LOCK(&translators);
-	AST_LIST_TRAVERSE(&translators, cur, entry)
-		cur->t.useplc = global_useplc;
-	AST_LIST_UNLOCK(&translators);
-
-	return 0;
-}
-
-static int unload_module(void)
-{
-	ast_cli_unregister_multiple(cli, sizeof(cli) / sizeof(cli[0]));
-	unregister_translators();
-
-	return 0;
-}
-
-static int load_module(void)
-{
-	parse_config();
-	find_transcoders();
-	ast_cli_register_multiple(cli, sizeof(cli) / sizeof(cli[0]));
-
-	return 0;
-}
-
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Generic DAHDI Transcoder Codec Translator",
-		.load = load_module,
-		.unload = unload_module,
-		.reload = reload,
-	       );