SOURCES: asterisk-t30.patch - Finished T.30 support

aredridel aredridel at pld-linux.org
Wed Oct 5 22:20:08 CEST 2005


Author: aredridel                    Date: Wed Oct  5 20:20:08 2005 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- Finished T.30 support

---- Files affected:
SOURCES:
   asterisk-t30.patch (1.1 -> 1.2) 

---- Diffs:

================================================================
Index: SOURCES/asterisk-t30.patch
diff -u SOURCES/asterisk-t30.patch:1.1 SOURCES/asterisk-t30.patch:1.2
--- SOURCES/asterisk-t30.patch:1.1	Tue Sep 20 20:04:49 2005
+++ SOURCES/asterisk-t30.patch	Wed Oct  5 22:20:03 2005
@@ -1,26 +1,1424 @@
-diff -ur asterisk-1.0.9-o/apps/Makefile asterisk-1.0.9-n/apps/Makefile
+diff -urN asterisk-1.0.9-o/apps/app_rxfax.c asterisk-1.0.9-n/apps/app_rxfax.c
+--- asterisk-1.0.9-o/apps/app_rxfax.c	1969-12-31 17:00:00.000000000 -0700
++++ asterisk-1.0.9-n/apps/app_rxfax.c	2005-09-20 13:01:02.000000000 -0600
+@@ -0,0 +1,367 @@
++/*
++ * Asterisk -- A telephony toolkit for Linux.
++ *
++ * Trivial application to receive a TIFF FAX file
++ * 
++ * Copyright (C) 2003, Steve Underwood
++ *
++ * Steve Underwood <steveu at coppice.org>
++ *
++ * This program is free software, distributed under the terms of
++ * the GNU General Public License
++ */
++ 
++#include <asterisk/lock.h>
++#include <asterisk/file.h>
++#include <asterisk/logger.h>
++#include <asterisk/channel.h>
++#include <asterisk/pbx.h>
++#include <asterisk/module.h>
++#include <asterisk/translate.h>
++#include <asterisk/dsp.h>
++#include <asterisk/manager.h>
++#include <string.h>
++#include <stdlib.h>
++#include <stdint.h>
++#include <pthread.h>
++#include <errno.h>
++#include <tiffio.h>
++
++#include <spandsp.h>
++
++static char *tdesc = "Trivial FAX Receive Application";
++
++static char *app = "RxFAX";
++
++static char *synopsis = "Receive a FAX to a file";
++
++static char *descrip = 
++"  RxFAX(filename[|caller][|debug]): Receives a FAX from the channel into the\n"
++"given filename. If the file exists it will be overwritten. The file\n"
++"should be in TIFF/F format.\n"
++"The \"caller\" option makes the application behave as a calling machine,\n"
++"rather than the answering machine. The default behaviour is to behave as\n"
++"an answering machine.\n"
++"Uses LOCALSTATIONID to identify itself to the remote end.\n"
++"     LOCALHEADERINFO to generate a header line on each page.\n"
++"Sets REMOTESTATIONID to the sender CSID.\n"
++"     FAXPAGES to the number of pages received.\n"
++"     FAXBITRATE to the transmition rate.\n"
++"     FAXRESOLUTION to the resolution.\n"
++"Returns -1 when the user hangs up.\n"
++"Returns 0 otherwise.\n";
++
++STANDARD_LOCAL_USER;
++
++LOCAL_USER_DECL;
++
++#define MAX_BLOCK_SIZE 240
++
++static void t30_flush(t30_state_t *s, int which)
++{
++    //TODO:
++}
++/*- End of function --------------------------------------------------------*/
++
++static void phase_e_handler(t30_state_t *s, void *user_data, int result)
++{
++    struct ast_channel *chan;
++    t30_stats_t t;
++    char local_ident[21];
++    char far_ident[21];
++    char buf[11];
++    
++    chan = (struct ast_channel *) user_data;
++    if (result)
++    {
++        fax_get_transfer_statistics(s, &t);
++        fax_get_far_ident(s, far_ident);
++        fax_get_local_ident(s, local_ident);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        ast_log(LOG_DEBUG, "Fax successfully received.\n");
++        ast_log(LOG_DEBUG, "Remote station id: %s\n", far_ident);
++        ast_log(LOG_DEBUG, "Local station id:  %s\n", local_ident);
++        ast_log(LOG_DEBUG, "Pages transferred: %i\n", t.pages_transferred);
++        ast_log(LOG_DEBUG, "Image resolution:  %i x %i\n", t.column_resolution, t.row_resolution);
++        ast_log(LOG_DEBUG, "Transfer Rate:     %i\n", t.bit_rate);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        manager_event(EVENT_FLAG_CALL,
++                      "FaxReceived", "Channel: %s\nExten: %s\nCallerID: %s\nRemoteStationID: %s\nLocalStationID: %s\nPagesTransferred: %i\nResolution: %i\nTransferRate: %i\nFileName: %s\n",
++                      chan->name,
++                      chan->exten,
++#if (ASTERISK_VERSION_NUM <= 011000)
++                      chan->callerid,
++#else
++                      (chan->cid.cid_num)  ?  chan->cid.cid_num  :  "",
++#endif
++                      far_ident,
++                      local_ident,
++                      t.pages_transferred,
++                      t.row_resolution,
++                      t.bit_rate,
++                      s->rx_file);
++        pbx_builtin_setvar_helper(chan, "REMOTESTATIONID", far_ident);
++        snprintf(buf, sizeof(buf), "%i", t.pages_transferred);
++        pbx_builtin_setvar_helper(chan, "FAXPAGES", buf);
++        snprintf(buf, sizeof(buf), "%i", t.row_resolution);
++        pbx_builtin_setvar_helper(chan, "FAXRESOLUTION", buf);
++        snprintf(buf, sizeof(buf), "%i", t.bit_rate);
++        pbx_builtin_setvar_helper(chan, "FAXBITRATE", buf);
++    }
++    else
++    {
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        ast_log(LOG_DEBUG, "Fax receive not successful.\n");
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++    }
++}
++/*- End of function --------------------------------------------------------*/
++
++static void phase_d_handler(t30_state_t *s, void *user_data, int result)
++{
++    struct ast_channel *chan;
++    t30_stats_t t;
++    
++    chan = (struct ast_channel *) user_data;
++    if (result)
++    {
++        fax_get_transfer_statistics(s, &t);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        ast_log(LOG_DEBUG, "Pages transferred:  %i\n", t.pages_transferred);
++        ast_log(LOG_DEBUG, "Image size:         %i x %i\n", t.columns, t.rows);
++        ast_log(LOG_DEBUG, "Image resolution    %i x %i\n", t.column_resolution, t.row_resolution);
++        ast_log(LOG_DEBUG, "Transfer Rate:      %i\n", t.bit_rate);
++        ast_log(LOG_DEBUG, "Bad rows            %i\n", t.bad_rows);
++        ast_log(LOG_DEBUG, "Longest bad row run %i\n", t.longest_bad_row_run);
++        ast_log(LOG_DEBUG, "Compression type    %i\n", t.encoding);
++        ast_log(LOG_DEBUG, "Image size (bytes)  %i\n", t.image_size);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++    }
++}
++/*- End of function --------------------------------------------------------*/
++
++static int rxfax_exec(struct ast_channel *chan, void *data)
++{
++    int res = 0;
++    char template_file[256];
++    char target_file[256];
++    char *s;
++    char *t;
++    char *v;
++    char *x;
++    int option;
++    int len;
++    int i;
++    t30_state_t fax;
++    int calling_party;
++    int verbose;
++    int samples;
++
++    struct localuser *u;
++    struct ast_frame *inf = NULL;
++    struct ast_frame outf;
++
++    int original_read_fmt;
++    int original_write_fmt;
++    
++    uint8_t __buf[sizeof(uint16_t)*MAX_BLOCK_SIZE + 2*AST_FRIENDLY_OFFSET];
++    uint8_t *buf = __buf + AST_FRIENDLY_OFFSET;
++
++    if (chan == NULL)
++    {
++        ast_log(LOG_WARNING, "Fax receive channel is NULL. Giving up.\n");
++        return -1;
++    }
++
++    /* The next few lines of code parse out the filename and header from the input string */
++    if (data == NULL)
++    {
++        /* No data implies no filename or anything is present */
++        ast_log(LOG_WARNING, "Rxfax requires an argument (filename)\n");
++        return -1;
++    }
++    
++    calling_party = FALSE;
++    verbose = FALSE;
++    target_file[0] = '\0';
++
++    for (option = 0, v = s = data;  v;  option++, s++)
++    {
++        t = s;
++        v = strchr(s, '|');
++        s = (v)  ?  v  :  s + strlen(s);
++        strncpy(buf, t, s - t);
++        buf[s - t] = '\0';
++        if (option == 0)
++        {
++            /* The first option is always the file name */
++            len = s - t;
++            if (len > 255)
++                len = 255;
++            strncpy(target_file, t, len);
++            target_file[len] = '\0';
++            /* Allow the use of %d in the file name for a wild card of sorts, to
++               create a new file with the specified name scheme */
++            if ((x = strchr(target_file, '%'))  &&  x[1] == 'd')
++            {
++                strcpy(template_file, target_file);
++                i = 0;
++                do
++                {
++                    snprintf(target_file, 256, template_file, 1);
++                    i++;
++                }
++                while (ast_fileexists(target_file, "", chan->language) != -1);
++            }
++        }
++        else if (strncmp("caller", t, s - t) == 0)
++        {
++            calling_party = TRUE;
++        }
++        else if (strncmp("debug", t, s - t) == 0)
++        {
++            verbose = TRUE;
++        }
++    }
++
++    /* Done parsing */
++
++    LOCAL_USER_ADD(u);
++
++    if (chan->_state != AST_STATE_UP)
++    {
++        /* Shouldn't need this, but checking to see if channel is already answered
++         * Theoretically asterisk should already have answered before running the app */
++        res = ast_answer(chan);
++    }
++    
++    if (!res)
++    {
++        original_read_fmt = chan->readformat;
++        if (original_read_fmt != AST_FORMAT_SLINEAR)
++        {
++            res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
++            if (res < 0)
++            {
++                ast_log(LOG_WARNING, "Unable to set to linear read mode, giving up\n");
++                return -1;
++            }
++        }
++        original_write_fmt = chan->writeformat;
++        if (original_write_fmt != AST_FORMAT_SLINEAR)
++        {
++            res = ast_set_write_format(chan, AST_FORMAT_SLINEAR);
++            if (res < 0)
++            {
++                ast_log(LOG_WARNING, "Unable to set to linear write mode, giving up\n");
++                res = ast_set_read_format(chan, original_read_fmt);
++                if (res)
++                    ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name);
++                return -1;
++            }
++        }
++        fax_init(&fax, calling_party, NULL);
++        fax.verbose = verbose;
++        x = pbx_builtin_getvar_helper(chan, "LOCALSTATIONID");
++        if (x  &&  x[0])
++            fax_set_local_ident(&fax, x);
++        x = pbx_builtin_getvar_helper(chan, "LOCALHEADERINFO");
++        if (x  &&  x[0])
++            fax_set_header_info(&fax, x);
++        fax_set_rx_file(&fax, target_file);
++        //fax_set_phase_b_handler(&fax, phase_b_handler, chan);
++        fax_set_phase_d_handler(&fax, phase_d_handler, chan);
++        fax_set_phase_e_handler(&fax, phase_e_handler, chan);
++        while (ast_waitfor(chan, -1) > -1)
++        {
++            inf = ast_read(chan);
++            if (inf == NULL)
++            {
++                res = -1;
++                break;
++            }
++            if (inf->frametype == AST_FRAME_VOICE)
++            {
++                if (fax_rx_process(&fax, inf->data, inf->samples))
++                    break;
++                samples = (inf->samples <= MAX_BLOCK_SIZE)  ?  inf->samples  :  MAX_BLOCK_SIZE;
++                len = fax_tx_process(&fax, (int16_t *) &buf[AST_FRIENDLY_OFFSET], samples);
++                if (len)
++                {
++                    memset(&outf, 0, sizeof(outf));
++                    outf.frametype = AST_FRAME_VOICE;
++                    outf.subclass = AST_FORMAT_SLINEAR;
++                    outf.datalen = len*sizeof(int16_t);
++                    outf.samples = len;
++                    outf.data = &buf[AST_FRIENDLY_OFFSET];
++                    outf.offset = AST_FRIENDLY_OFFSET;
++                    outf.src = "RxFAX";
++                    if (ast_write(chan, &outf) < 0)
++                    {
++                        ast_log(LOG_WARNING, "Unable to write frame to channel; %s\n", strerror(errno));
++                        break;
++                    }
++                }
++            }
++            ast_frfree(inf);
++        }
++        if (inf == NULL)
++        {
++            ast_log(LOG_DEBUG, "Got hangup\n");
++            res = -1;
++        }
++        if (original_read_fmt != AST_FORMAT_SLINEAR)
++        {
++            res = ast_set_read_format(chan, original_read_fmt);
++            if (res)
++                ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name);
++        }
++        if (original_write_fmt != AST_FORMAT_SLINEAR)
++        {
++            res = ast_set_write_format(chan, original_write_fmt);
++            if (res)
++                ast_log(LOG_WARNING, "Unable to restore write format on '%s'\n", chan->name);
++        }
++        fax_release(&fax);
++    }
++    else
++    {
++        ast_log(LOG_WARNING, "Could not answer channel '%s'\n", chan->name);
++    }
++    LOCAL_USER_REMOVE(u);
++    return res;
++}
++/*- End of function --------------------------------------------------------*/
++
++int unload_module(void)
++{
++    STANDARD_HANGUP_LOCALUSERS;
++    return ast_unregister_application(app);
++}
++/*- End of function --------------------------------------------------------*/
++
++int load_module(void)
++{
++    return ast_register_application(app, rxfax_exec, synopsis, descrip);
++}
++
++char *description(void)
++{
++    return tdesc;
++}
++/*- End of function --------------------------------------------------------*/
++
++int usecount(void)
++{
++    int res;
++    STANDARD_USECOUNT(res);
++    return res;
++}
++/*- End of function --------------------------------------------------------*/
++
++char *key(void)
++{
++    return ASTERISK_GPL_KEY;
++}
++/*- End of function --------------------------------------------------------*/
++/*- End of file ------------------------------------------------------------*/
+diff -urN asterisk-1.0.9-o/apps/app_rxfax_test.c asterisk-1.0.9-n/apps/app_rxfax_test.c
+--- asterisk-1.0.9-o/apps/app_rxfax_test.c	1969-12-31 17:00:00.000000000 -0700
++++ asterisk-1.0.9-n/apps/app_rxfax_test.c	2005-09-20 13:01:02.000000000 -0600
+@@ -0,0 +1,400 @@
++/*
++ * Asterisk -- A telephony toolkit for Linux.
++ *
++ * Trivial application to receive a TIFF FAX file
++ * 
++ * Copyright (C) 2003, Steve Underwood
++ *
++ * Steve Underwood <steveu at coppice.org>
++ *
++ * This program is free software, distributed under the terms of
++ * the GNU General Public License
++ */
++ 
++#include <asterisk/lock.h>
++#include <asterisk/file.h>
++#include <asterisk/logger.h>
++#include <asterisk/channel.h>
++#include <asterisk/pbx.h>
++#include <asterisk/module.h>
++#include <asterisk/translate.h>
++#include <asterisk/dsp.h>
++#include <asterisk/manager.h>
++#include <string.h>
++#include <stdlib.h>
++#include <stdint.h>
++#include <pthread.h>
++#include <errno.h>
++#include <tiffio.h>
++
++#include <spandsp.h>
++
++static char *tdesc = "Trivial FAX Receive Application";
++
++static char *app = "RxFAX";
++
++static char *synopsis = "Receive a FAX to a file";
++
++static char *descrip = 
++"  RxFAX(filename[|caller][|debug]): Receives a FAX from the channel into the\n"
++"given filename. If the file exists it will be overwritten. The file\n"
++"should be in TIFF/F format.\n"
++"The \"caller\" option makes the application behave as a calling machine,\n"
++"rather than the answering machine. The default behaviour is to behave as\n"
++"an answering machine.\n"
++"Uses LOCALSTATIONID to identify itself to the remote end.\n"
++"     LOCALHEADERINFO to generate a header line on each page.\n"
++"Sets REMOTESTATIONID to the sender CSID.\n"
++"     FAXPAGES to the number of pages received.\n"
++"     FAXBITRATE to the transmition rate.\n"
++"     FAXRESOLUTION to the resolution.\n"
++"Returns -1 when the user hangs up.\n"
++"Returns 0 otherwise.\n";
++
++STANDARD_LOCAL_USER;
++
++LOCAL_USER_DECL;
++
++#define MAX_BLOCK_SIZE 240
++
++static void t30_flush(t30_state_t *s, int which)
++{
++    //TODO:
++}
++/*- End of function --------------------------------------------------------*/
++
++static void phase_e_handler(t30_state_t *s, void *user_data, int result)
++{
++    struct ast_channel *chan;
++    t30_stats_t t;
++    char local_ident[21];
++    char far_ident[21];
++    char buf[11];
++    
++    chan = (struct ast_channel *) user_data;
++    if (result)
++    {
++        fax_get_transfer_statistics(s, &t);
++        fax_get_far_ident(s, far_ident);
++        fax_get_local_ident(s, local_ident);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        ast_log(LOG_DEBUG, "Fax successfully received.\n");
++        ast_log(LOG_DEBUG, "Remote station id: %s\n", far_ident);
++        ast_log(LOG_DEBUG, "Local station id:  %s\n", local_ident);
++        ast_log(LOG_DEBUG, "Pages transferred: %i\n", t.pages_transferred);
++        ast_log(LOG_DEBUG, "Image resolution:  %i x %i\n", t.column_resolution, t.row_resolution);
++        ast_log(LOG_DEBUG, "Transfer Rate:     %i\n", t.bit_rate);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        manager_event(EVENT_FLAG_CALL,
++                      "FaxReceived", "Channel: %s\nExten: %s\nCallerID: %s\nRemoteStationID: %s\nLocalStationID: %s\nPagesTransferred: %i\nResolution: %i\nTransferRate: %i\nFileName: %s\n",
++                      chan->name,
++                      chan->exten,
++#if (ASTERISK_VERSION_NUM <= 011000)
++                      chan->callerid,
++#else
++                      (chan->cid.cid_num)  ?  chan->cid.cid_num  :  "",
++#endif
++                      far_ident,
++                      local_ident,
++                      t.pages_transferred,
++                      t.row_resolution,
++                      t.bit_rate,
++                      s->rx_file);
++        pbx_builtin_setvar_helper(chan, "REMOTESTATIONID", far_ident);
++        snprintf(buf, sizeof(buf), "%i", t.pages_transferred);
++        pbx_builtin_setvar_helper(chan, "FAXPAGES", buf);
++        snprintf(buf, sizeof(buf), "%i", t.row_resolution);
++        pbx_builtin_setvar_helper(chan, "FAXRESOLUTION", buf);
++        snprintf(buf, sizeof(buf), "%i", t.bit_rate);
++        pbx_builtin_setvar_helper(chan, "FAXBITRATE", buf);
++    }
++    else
++    {
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        ast_log(LOG_DEBUG, "Fax receive not successful.\n");
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++    }
++}
++/*- End of function --------------------------------------------------------*/
++
++static void phase_d_handler(t30_state_t *s, void *user_data, int result)
++{
++    struct ast_channel *chan;
++    t30_stats_t t;
++    
++    chan = (struct ast_channel *) user_data;
++    if (result)
++    {
++        fax_get_transfer_statistics(s, &t);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++        ast_log(LOG_DEBUG, "Pages transferred:  %i\n", t.pages_transferred);
++        ast_log(LOG_DEBUG, "Image size:         %i x %i\n", t.columns, t.rows);
++        ast_log(LOG_DEBUG, "Image resolution    %i x %i\n", t.column_resolution, t.row_resolution);
++        ast_log(LOG_DEBUG, "Transfer Rate:      %i\n", t.bit_rate);
++        ast_log(LOG_DEBUG, "Bad rows            %i\n", t.bad_rows);
++        ast_log(LOG_DEBUG, "Longest bad row run %i\n", t.longest_bad_row_run);
++        ast_log(LOG_DEBUG, "Compression type    %i\n", t.encoding);
++        ast_log(LOG_DEBUG, "Image size (bytes)  %i\n", t.image_size);
++        ast_log(LOG_DEBUG, "==============================================================================\n");
++    }
++}
++/*- End of function --------------------------------------------------------*/
++
++static void *fax_gen_alloc(struct ast_channel *chan, void *params)
++{
++    return params;
++}
++/*- End of function --------------------------------------------------------*/
++
++static void fax_gen_release(struct ast_channel *chan, void *data)
++{
++    return;
++}
++/*- End of function --------------------------------------------------------*/
++
++static int fax_gen_generate(struct ast_channel *chan, void *data, int len, int samples)
++{
++    struct ast_frame f;
++    uint8_t buf[sizeof(uint16_t)*MAX_BLOCK_SIZE + 2*AST_FRIENDLY_OFFSET];
++    t30_state_t *fax;
++
++    fax = (t30_state_t *) data;
++    if (len > sizeof (buf))
++    {
++        ast_log (LOG_WARNING, "Only doing %d bytes (%d bytes requested)\n", (int)(sizeof (buf) / sizeof (signed short)), len);
++        len = sizeof (buf);
++        samples = len / 2;
++    }
++    len = fax_tx_process(fax, (int16_t *) &buf[AST_FRIENDLY_OFFSET], samples);
++    f.frametype = AST_FRAME_VOICE;
++    f.subclass = AST_FORMAT_SLINEAR;
++    f.offset = AST_FRIENDLY_OFFSET;
++    f.mallocd = 0;
++    f.data = &buf[AST_FRIENDLY_OFFSET];
++    f.datalen = len*sizeof(int16_t);
++    f.samples = len;
++    f.src = "app_txfax";
++    if (ast_write(chan, &f) < 0)
++    {
++        ast_log (LOG_WARNING, "Failed to write frame to '%s': %s\n", chan->name, strerror(errno));
++        return -1;
++    }
++    return 0;
++}
++/*- End of function --------------------------------------------------------*/
++
++static struct ast_generator fax_gen =
++{
++    alloc:fax_gen_alloc,
++    release:fax_gen_release,
++    generate:fax_gen_generate,
++};
++
++static int rxfax_exec(struct ast_channel *chan, void *data)
++{
++    int res = 0;
++    char template_file[256];
++    char target_file[256];
++    char *s;
++    char *t;
++    char *v;
++    char *x;
++    int option;
++    int i;
++    t30_state_t fax;
++    int calling_party;
++    int verbose;
++
++    struct localuser *u;
++    struct ast_frame *inf = NULL;
++
++    int original_read_fmt;
++    int original_write_fmt;
++    
++    if (chan == NULL)
++    {
<<Diff was trimmed, longer than 597 lines>>

---- CVS-web:
    http://cvs.pld-linux.org/SOURCES/asterisk-t30.patch?r1=1.1&r2=1.2&f=u




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