Thanks for your time. It's my first time to do this, so I have been
trying to follow literally on the wiki page to do it right. If you can
elaborate a bit about what is broken? Is it the patch created
incorrectly, or it is pasted incorrectly, or the style is still
problematic?
I noticed that cutting and pasting from my console to the gmail
compose window does not seem working alright. How do you normally do
the inlining?
I have a full weekend to do this, and I do realize from the wiki page
that it does not appear to be simple, :)
I now simply disable the footer, don't worry.
Regards,
On Fri, Jun 19, 2009 at 7:41 PM, hermann pitton<hermann-pit...@arcor.de> wrote:
>
> Am Donnerstag, den 18.06.2009, 20:39 -0500 schrieb Yufei Yuan:
>> This one is about the utility itself. I do apologize for the length
>> here as "inline" patch is preferred according to the guide and I don't
>> have any public online storage. Please let me know if this causes any
>> inconvenience.
>>
>> Signed-off-by: Yufei Yuan <yfy...@gmail.com>
>>
>> diff -uprN dvb-apps/util/atsc_epg/atsc_epg.c
>> dvb-apps_new/util/atsc_epg/atsc_epg.c
>> --- dvb-apps/util/atsc_epg/atsc_epg.c 1969-12-31 18:00:00.000000000
>> -0600
>> +++ dvb-apps_new/util/atsc_epg/atsc_epg.c 2009-06-18
>> 20:17:24.527925142 -0500
>> @@ -0,0 +1,1249 @@
>> +/*
>> + * atsc_epg utility
>> + *
>> + * Copyright (C) 2009 Yufei Yuan <yfy...@gmail.com>
>> + * This program is free software; you can redistribute it and/or
>> modify
>> + * it under the terms of the GNU General Public License as published
>> by
>> + * the Free Software Foundation; either version 2 of the License, or
>> + * (at your option) any later version.
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + *
>> + * GNU General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU General Public License
>> + * along with this program; if not, write to the Free Software
>> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
>> + */
>> +
>> +#include <stdio.h>
>> +#include <stdlib.h>
>> +#include <unistd.h>
>> +#include <string.h>
>> +#include <time.h>
>> +#include <signal.h>
>> +#include <sys/types.h>
>> +#include <sys/stat.h>
>> +#include <fcntl.h>
>> +#include <sys/ioctl.h>
>> +#include <sys/poll.h>
>> +#include <errno.h>
>> +#include <getopt.h>
>> +#include <stdarg.h>
>> +#include <libdvbapi/dvbfe.h>
>> +#include <libdvbapi/dvbdemux.h>
>> +#include <libucsi/dvb/section.h>
>> +#include <libucsi/atsc/section.h>
>> +#include <libucsi/atsc/types.h>
>> +
>> +#define TIMEOUT 60
>> +#define RRT_TIMEOUT 60
>> +#define MAX_NUM_EVENT_TABLES 128
>> +#define TITLE_BUFFER_LEN 4096
>> +#define MESSAGE_BUFFER_LEN (16 * 1024)
>> +#define MAX_NUM_CHANNELS 16
>> +#define MAX_NUM_EVENTS_PER_CHANNEL (4 * 24 * 7)
>> +
>> +static int atsc_scan_table(int dmxfd, uint16_t pid, enum
>> atsc_section_tag tag,
>> + void **table_section);
>> +
>> +static const char *program;
>> +static int adapter = 0;
>> +static int period = 12; /* hours */
>> +static int frequency;
>> +static int enable_ett = 0;
>> +static int ctrl_c = 0;
>> +static const char *modulation = NULL;
>> +static char separator[80];
>> +void (*old_handler)(int);
>> +
>> +struct atsc_string_buffer {
>> + int buf_len;
>> + int buf_pos;
>> + char *string;
>> +};
>> +
>> +struct atsc_event_info {
>> + uint16_t id;
>> + struct tm start;
>> + struct tm end;
>> + int title_pos;
>> + int title_len;
>> + int msg_pos;
>> + int msg_len;
>> +};
>> +
>> +struct atsc_eit_section_info {
>> + uint8_t section_num;
>> + uint8_t num_events;
>> + uint8_t num_etms;
>> + uint8_t num_received_etms;
>> + struct atsc_event_info **events;
>> +};
>> +
>> +struct atsc_eit_info {
>> + int num_eit_sections;
>> + struct atsc_eit_section_info *section;
>> +};
>> +
>> +struct atsc_channel_info {
>> + uint8_t num_eits;
>> + uint8_t service_type;
>> + char short_name[8];
>> + uint16_t major_num;
>> + uint16_t minor_num;
>> + uint16_t tsid;
>> + uint16_t prog_num;
>> + uint16_t src_id;
>> + struct atsc_eit_info *eit;
>> + struct atsc_event_info *last_event;
>> + int event_info_index;
>> + struct atsc_event_info e[MAX_NUM_EVENTS_PER_CHANNEL];
>> + struct atsc_string_buffer title_buf;
>> + struct atsc_string_buffer msg_buf;
>> +};
>> +
>> +struct atsc_virtual_channels_info {
>> + int num_channels;
>> + uint16_t eit_pid[MAX_NUM_EVENT_TABLES];
>> + uint16_t ett_pid[MAX_NUM_EVENT_TABLES];
>> + struct atsc_channel_info ch[MAX_NUM_CHANNELS];
>> +} guide;
>> +
>> +struct mgt_table_name {
>> + uint16_t range;
>> + const char *string;
>> +};
>> +
>> +struct mgt_table_name mgt_tab_name_array[] = {
>> + {0x0000, "terrestrial VCT with current_next_indictor=1"},
>> + {0x0001, "terrestrial VCT with current_next_indictor=0"},
>> + {0x0002, "cable VCT with current_next_indictor=1"},
>> + {0x0003, "cable VCT with current_next_indictor=0"},
>> + {0x0004, "channel ETT"},
>> + {0x0005, "DCCSCT"},
>> + {0x00FF, "reserved for future ATSC use"},
>> + {0x017F, "EIT"},
>> + {0x01FF, "reserved for future ATSC use"},
>> + {0x027F, "event ETT"},
>> + {0x02FF, "reserved for future ATSC use"}, /* FIXME */
>> + {0x03FF, "RRT with rating region"},
>> + {0x0FFF, "user private"},
>> + {0x13FF, "reserved for future ATSC use"},
>> + {0x14FF, "DCCT with dcc_id"},
>> + {0xFFFF, "reserved for future ATSC use"}
>> +};
>> +
>> +const char *channel_modulation_mode[] = {
>> + "",
>> + "analog",
>> + "SCTE mode 1",
>> + "SCTE mode 2",
>> + "ATSC 8VSB",
>> + "ATSC 16VSB"
>> +};
>> +
>> +const char *channel_service_type[] = {
>> + "",
>> + "analog TV",
>> + "ATSC digital TV",
>> + "ATSC audio",
>> + "ATSC data-only"
>> +};
>> +
>> +void *(*table_callback[16])(struct atsc_section_psip *) =
>> +{
>> + NULL, NULL, NULL, NULL, NULL, NULL, NULL,
>> + (void *(*)(struct atsc_section_psip *))atsc_mgt_section_codec,
>> + (void *(*)(struct atsc_section_psip
>> *))atsc_tvct_section_codec,
>> + (void *(*)(struct atsc_section_psip
>> *))atsc_cvct_section_codec,
>> + (void *(*)(struct atsc_section_psip *))atsc_rrt_section_codec,
>> + (void *(*)(struct atsc_section_psip *))atsc_eit_section_codec,
>> + (void *(*)(struct atsc_section_psip *))atsc_ett_section_codec,
>> + (void *(*)(struct atsc_section_psip *))atsc_stt_section_codec,
>> + NULL, NULL
>> +};
>> +
>> +static void int_handler(int sig_num)
>> +{
>> + if(SIGINT != sig_num) {
>> + return;
>> + }
>> + ctrl_c = 1;
>> +}
>> +
>> +/* shamelessly stolen from dvbsnoop, but almost not modified */
>> +static uint32_t get_bits(const uint8_t *buf, int startbit, int
>> bitlen)
>> +{
>> + const uint8_t *b;
>> + uint32_t mask,tmp_long;
>> + int bitHigh,i;
>> +
>> + b = &buf[startbit / 8];
>> + startbit %= 8;
>> +
>> + bitHigh = 8;
>> + tmp_long = b[0];
>> + for (i = 0; i < ((bitlen-1) >> 3); i++) {
>> + tmp_long <<= 8;
>> + tmp_long |= b[i+1];
>> + bitHigh += 8;
>> + }
>> +
>> + startbit = bitHigh - startbit - bitlen;
>> + tmp_long = tmp_long >> startbit;
>> + mask = (1ULL << bitlen) - 1;
>> + return tmp_long & mask;
>> +}
>> +
>> +static void usage(void)
>> +{
>> + fprintf(stderr, "usage: %s [-a <n>] -f <frequency> [-p
>> <period>]"
>> + " [-m <modulation>] [-t] [-h]\n", program);
>> +}
>> +
>> +static void help(void)
>> +{
>> + fprintf(stderr,
>> + "\nhelp:\n"
>> + "%s [-a <n>] -f <frequency> [-p <period>] [-m <modulation>]
>> [-t] [-h]\n"
>> + " -a: adapter index to use, (default 0)\n"
>> + " -f: tuning frequency\n"
>> + " -p: period in hours, (default 12)\n"
>> + " -m: modulation ATSC vsb_8|vsb_16 (default vsb_8)\n"
>> + " -t: enable ETT to receive program details, if available\n"
>> + " -h: display this message\n", program);
>> +}
>> +
>> +static int close_frontend(struct dvbfe_handle *fe)
>> +{
>> + if(NULL == fe) {
>> + fprintf(stderr, "%s(): NULL pointer detected\n",
>> __FUNCTION__);
>> + }
>> +
>> + dvbfe_close(fe);
>> +
>> + return 0;
>> +}
>> +
>> +static int open_frontend(struct dvbfe_handle **fe)
>> +{
>> + struct dvbfe_info fe_info;
>> +
>> + if(NULL == (*fe = dvbfe_open(adapter, 0, 0))) {
>> + fprintf(stderr, "%s(): error calling dvbfe_open()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + dvbfe_get_info(*fe, 0, &fe_info,
>> DVBFE_INFO_QUERYTYPE_IMMEDIATE, 0);
>> + if(DVBFE_TYPE_ATSC != fe_info.type) {
>> + fprintf(stderr, "%s(): only ATSC frontend supported
>> currently\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + fe_info.feparams.frequency = frequency;
>> + fe_info.feparams.inversion = DVBFE_INVERSION_AUTO;
>> + fe_info.feparams.u.atsc.modulation = DVBFE_ATSC_MOD_VSB_8;
>> + fprintf(stdout, "tuning to %d Hz, please wait...\n",
>> frequency);
>> + if(dvbfe_set(*fe, &fe_info.feparams, TIMEOUT * 1000)) {
>> + fprintf(stderr, "%s(): cannot lock to %d Hz in %d
>> seconds\n",
>> + __FUNCTION__, frequency, TIMEOUT);
>> + return -1;
>> + }
>> + fprintf(stdout, "tuner locked.\n");
>> +
>> + return 0;
>> +}
>> +
>> +#if ENABLE_RRT
>> +/* this is untested as since this part of the library is broken */
>> +static int parse_rrt(int dmxfd)
>> +{
>> + const enum atsc_section_tag tag = stag_atsc_rating_region;
>> + struct atsc_rrt_section *rrt;
>> + struct atsc_text *region_name;
>> + struct atsc_text_string *atsc_str;
>> + int i, j, ret;
>> +
>> + i = 0;
>> + fprintf(stdout, "waiting for RRT: ");
>> + fflush(stdout);
>> + while(i < RRT_TIMEOUT) {
>> + ret = atsc_scan_table(dmxfd, ATSC_BASE_PID, tag, (void
>> **)&rrt);
>> + if(0 > ret) {
>> + fprintf(stderr, "%s(): error calling
>> atsc_scan_table()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + if(0 == ret) {
>> + if(RRT_TIMEOUT > i) {
>> + fprintf(stdout, ".");
>> + fflush(stdout);
>> + } else {
>> + fprintf(stdout, "\nno RRT in %d
>> seconds\n",
>> + RRT_TIMEOUT);
>> + return 0;
>> + }
>> + i += TIMEOUT;
>> + } else {
>> + fprintf(stdout, "\n");
>> + fflush(stdout);
>> + break;
>> + }
>> + }
>> +
>> + region_name = atsc_rrt_section_rating_region_name_text(rrt);
>> + atsc_text_strings_for_each(region_name, atsc_str, i) {
>> + struct atsc_text_string_segment *seg;
>> +
>> + atsc_text_string_segments_for_each(atsc_str, seg, j) {
>> + const char *c;
>> + int k;
>> + if(seg->mode < 0x3E) {
>> + fprintf(stderr, "%s(): text mode of
>> 0x%02X "
>> + "not supported yet\n",
>> + __FUNCTION__, seg->mode);
>> + return -1;
>> + }
>> + c = (const char
>> *)atsc_text_string_segment_bytes(seg);
>> + for(k = 0; k < seg->number_bytes; k++) {
>> + fprintf(stdout, "%c", c[k]);
>> + }
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +#endif
>> +
>> +static int parse_stt(int dmxfd)
>> +{
>> + const enum atsc_section_tag tag = stag_atsc_system_time;
>> + const struct atsc_stt_section *stt;
>> + time_t rx_time;
>> + time_t sys_time;
>> + int ret;
>> +
>> + ret = atsc_scan_table(dmxfd, ATSC_BASE_PID, tag, (void
>> **)&stt);
>> + if(0 > ret) {
>> + fprintf(stderr, "%s(): error calling
>> atsc_scan_table()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + if(0 == ret) {
>> + fprintf(stdout, "no STT in %d seconds\n", TIMEOUT);
>> + return 0;
>> + }
>> +
>> + rx_time = atsctime_to_unixtime(stt->system_time);
>> + time(&sys_time);
>> + fprintf(stdout, "system time: %s", ctime(&sys_time));
>> + fprintf(stdout, "TS STT time: %s", ctime(&rx_time));
>> +
>> + return 0;
>> +}
>> +
>> +static int parse_tvct(int dmxfd)
>> +{
>> + int num_sections;
>> + uint32_t section_pattern;
>> + const enum atsc_section_tag tag =
>> stag_atsc_terrestrial_virtual_channel;
>> + struct atsc_tvct_section *tvct;
>> + struct atsc_tvct_channel *ch;
>> + struct atsc_channel_info *curr_info;
>> + int i, k, ret;
>> +
>> + section_pattern = 0;
>> + num_sections = -1;
>> +
>> + do {
>> + ret = atsc_scan_table(dmxfd, ATSC_BASE_PID, tag, (void
>> **)&tvct);
>> + if(0 > ret) {
>> + fprintf(stderr, "%s(): error calling
>> atsc_scan_table()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + if(0 == ret) {
>> + fprintf(stdout, "no TVCT in %d seconds\n",
>> TIMEOUT);
>> + return 0;
>> + }
>> +
>> + if(-1 == num_sections) {
>> + num_sections = 1 +
>> tvct->head.ext_head.last_section_number;
>> + if(32 < num_sections) {
>> + fprintf(stderr, "%s(): no support yet
>> for "
>> + "tables having more than 32
>> sections\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + } else {
>> + if(num_sections !=
>> + 1 +
>> tvct->head.ext_head.last_section_number) {
>> + fprintf(stderr,
>> + "%s(): last section number
>> does not match\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + }
>> + if(section_pattern & (1 <<
>> tvct->head.ext_head.section_number)) {
>> + continue;
>> + }
>> + section_pattern |= 1 <<
>> tvct->head.ext_head.section_number;
>> +
>> + if(MAX_NUM_CHANNELS < guide.num_channels +
>> + tvct->num_channels_in_section) {
>> + fprintf(stderr, "%s(): no support for more
>> than %d "
>> + "virtual channels in a pyhsical
>> channel\n",
>> + __FUNCTION__, MAX_NUM_CHANNELS);
>> + return -1;
>> + }
>> + curr_info = &guide.ch[guide.num_channels];
>> + guide.num_channels += tvct->num_channels_in_section;
>> +
>> + atsc_tvct_section_channels_for_each(tvct, ch, i) {
>> + /* initialize the curr_info structure */
>> + /* each EIT covers 3 hours */
>> + curr_info->num_eits = (period / 3) + !!(period % 3);
>> + while (curr_info->num_eits &&
>> + (0xFFFF == guide.eit_pid[curr_info->num_eits -
>> 1])) {
>> + curr_info->num_eits -= 1;
>> + }
>> + if(curr_info->eit) {
>> + fprintf(stderr, "%s(): non-NULL pointer
>> detected "
>> + "during initialization",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + if(NULL == (curr_info->eit =
>> calloc(curr_info->num_eits,
>> + sizeof(struct atsc_eit_info)))) {
>> + fprintf(stderr, "%s(): error calling
>> calloc()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + if(NULL == (curr_info->title_buf.string =
>> calloc(TITLE_BUFFER_LEN,
>> + sizeof(char)))) {
>> + fprintf(stderr, "%s(): error calling
>> calloc()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + curr_info->title_buf.buf_len = TITLE_BUFFER_LEN;
>> + curr_info->title_buf.buf_pos = 0;
>> +
>> + if(NULL == (curr_info->msg_buf.string =
>> calloc(MESSAGE_BUFFER_LEN,
>> + sizeof(char)))) {
>> + fprintf(stderr, "%s(): error calling
>> calloc()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + curr_info->msg_buf.buf_len = MESSAGE_BUFFER_LEN;
>> + curr_info->msg_buf.buf_pos = 0;
>> +
>> + for(k = 0; k < 7; k++) {
>> + curr_info->short_name[k] =
>> + get_bits((const uint8_t
>> *)ch->short_name,
>> + k * 16, 16);
>> + }
>> + curr_info->service_type = ch->service_type;
>> + curr_info->major_num = ch->major_channel_number;
>> + curr_info->minor_num = ch->minor_channel_number;
>> + curr_info->tsid = ch->channel_TSID;
>> + curr_info->prog_num = ch->program_number;
>> + curr_info->src_id = ch->source_id;
>> + curr_info++;
>> + }
>> + } while(section_pattern != (uint32_t)((1 << num_sections) -
>> 1));
>> +
>> + return 0;
>> +}
>> +
>> +static int match_event(struct atsc_eit_info *eit, uint16_t event_id,
>> + struct atsc_event_info **event, uint8_t *curr_index)
>> +{
>> + int j, k;
>> + struct atsc_eit_section_info *section;
>> +
>> + if(NULL == eit || NULL == event || NULL == curr_index) {
>> + fprintf(stderr, "%s(): NULL pointer detected\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + for(j = 0; j < eit->num_eit_sections; j++) {
>> + section = &eit->section[j];
>> +
>> + for(k = 0; k < section->num_events; k++) {
>> + if(section->events[k] &&
>> section->events[k]->id ==
>> + event_id) {
>> + *event = section->events[k];
>> + break;
>> + }
>> + }
>> + if(*event) {
>> + *curr_index = j;
>> + break;
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int parse_message(struct atsc_channel_info *channel,
>> + struct atsc_ett_section *ett, struct atsc_event_info *event)
>> +{
>> + int i, j;
>> + struct atsc_text *text;
>> + struct atsc_text_string *str;
>> +
>> + if(NULL == ett || NULL == event || NULL == channel) {
>> + fprintf(stderr, "%s(): NULL pointer detected\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + text = atsc_ett_section_extended_text_message(ett);
>> + atsc_text_strings_for_each(text, str, i) {
>> + struct atsc_text_string_segment *seg;
>> +
>> + atsc_text_string_segments_for_each(str, seg, j) {
>> + event->msg_pos = channel->msg_buf.buf_pos;
>> + if(0 > atsc_text_segment_decode(seg,
>> + (uint8_t **)&channel->msg_buf.string,
>> + (size_t *)&channel->msg_buf.buf_len,
>> + (size_t *)&channel->msg_buf.buf_pos))
>> {
>> + fprintf(stderr, "%s(): error calling "
>> +
>> "atsc_text_segment_decode()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + event->msg_len = 1 + channel->msg_buf.buf_pos
>> -
>> + event->msg_pos;
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int parse_ett(int dmxfd, int index, uint16_t pid)
>> +{
>> + uint8_t curr_index;
>> + uint32_t section_pattern;
>> + const enum atsc_section_tag tag = stag_atsc_extended_text;
>> + struct atsc_eit_info *eit;
>> + struct atsc_ett_section *ett;
>> + struct atsc_channel_info *channel;
>> + struct atsc_event_info *event;
>> + struct atsc_eit_section_info *section;
>> + uint16_t source_id, event_id;
>> + int c, ret;
>> +
>> + if(0xFFFF == guide.ett_pid[index]) {
>> + return 0;
>> + }
>> +
>> + for(c = 0; c < guide.num_channels; c++) {
>> + channel = &guide.ch[c];
>> + eit = &channel->eit[index];
>> +
>> + section_pattern = 0;
>> + while(section_pattern !=
>> + (uint32_t)((1 << eit->num_eit_sections) - 1))
>> {
>> + if(ctrl_c) {
>> + return 0;
>> + }
>> + ret = atsc_scan_table(dmxfd, pid, tag, (void
>> **)&ett);
>> + fprintf(stdout, ".");
>> + fflush(stdout);
>> + if(0 > ret) {
>> + fprintf(stderr, "%s(): error calling "
>> + "atsc_scan_table()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + if(0 == ret) {
>> + fprintf(stdout, "no ETT %d in %d
>> seconds\n",
>> + index, TIMEOUT);
>> + return 0;
>> + }
>> +
>> + source_id = ett->ETM_source_id;
>> + event_id = ett->ETM_sub_id;
>> + if(source_id != channel->src_id) {
>> + continue;
>> + }
>> +
>> + event = NULL;
>> + if(match_event(eit, event_id, &event,
>> &curr_index)) {
>> + fprintf(stderr, "%s(): error calling "
>> + "match_event()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + if(NULL == event) {
>> + continue;
>> + }
>> + if(section_pattern & (1 << curr_index)) {
>> + /* the section has been filled, so
>> skip,
>> + * not consider version yet
>> + */
>> + continue;
>> + }
>> + if(event->msg_len) {
>> + /* the message has been filled */
>> + continue;
>> + }
>> +
>> + if(parse_message(channel, ett, event)) {
>> + fprintf(stderr, "%s(): error calling "
>> + "parse_message()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + section = &eit->section[curr_index];
>> + if(++section->num_received_etms ==
>> section->num_etms) {
>> + section_pattern |= 1 << curr_index;
>> + }
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int parse_events(struct atsc_channel_info *curr_info,
>> + struct atsc_eit_section *eit, struct atsc_eit_section_info
>> *section)
>> +{
>> + int i, j, k;
>> + struct atsc_eit_event *e;
>> + time_t start_time, end_time;
>> +
>> + if(NULL == curr_info || NULL == eit) {
>> + fprintf(stderr, "%s(): NULL pointer detected\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + atsc_eit_section_events_for_each(eit, e, i) {
>> + struct atsc_text *title;
>> + struct atsc_text_string *str;
>> + struct atsc_event_info *e_info =
>> + &curr_info->e[curr_info->event_info_index];
>> +
>> + if(0 == i && curr_info->last_event) {
>> + if(e->event_id == curr_info->last_event->id) {
>> + section->events[i] = NULL;
>> + /* skip if it's the same event
>> spanning
>> + * over sections
>> + */
>> + continue;
>> + }
>> + }
>> + curr_info->event_info_index += 1;
>> + section->events[i] = e_info;
>> + e_info->id = e->event_id;
>> + start_time = atsctime_to_unixtime(e->start_time);
>> + end_time = start_time + e->length_in_seconds;
>> + localtime_r(&start_time, &e_info->start);
>> + localtime_r(&end_time, &e_info->end);
>> + if(0 != e->ETM_location && 3 != e->ETM_location) {
>> + /* FIXME assume 1 and 2 is interchangable as
>> of now */
>> + section->num_etms++;
>> + }
>> +
>> + title = atsc_eit_event_name_title_text(e);
>> + atsc_text_strings_for_each(title, str, j) {
>> + struct atsc_text_string_segment *seg;
>> +
>> + atsc_text_string_segments_for_each(str, seg,
>> k) {
>> + e_info->title_pos =
>> curr_info->title_buf.buf_pos;
>> + if(0 > atsc_text_segment_decode(seg,
>> + (uint8_t
>> **)&curr_info->title_buf.string,
>> + (size_t
>> *)&curr_info->title_buf.buf_len,
>> + (size_t
>> *)&curr_info->title_buf.buf_pos)) {
>> + fprintf(stderr, "%s(): error
>> calling "
>> +
>> "atsc_text_segment_decode()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + e_info->title_len =
>> curr_info->title_buf.buf_pos -
>> + e_info->title_pos + 1;
>> + }
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int parse_eit(int dmxfd, int index, uint16_t pid)
>> +{
>> + int num_sections;
>> + uint8_t section_num;
>> + uint8_t curr_channel_index;
>> + uint32_t section_pattern;
>> + const enum atsc_section_tag tag = stag_atsc_event_information;
>> + struct atsc_eit_section *eit;
>> + struct atsc_channel_info *curr_info;
>> + struct atsc_eit_info *eit_info;
>> + struct atsc_eit_section_info *section;
>> + uint16_t source_id;
>> + uint32_t eit_instance_pattern = 0;
>> + int i, k, ret;
>> +
>> + while(eit_instance_pattern !=
>> + (uint32_t)((1 << guide.num_channels) - 1)) {
>> + source_id = 0xFFFF;
>> + section_pattern = 0;
>> + num_sections = -1;
>> +
>> + do {
>> + ret = atsc_scan_table(dmxfd, pid, tag, (void
>> **)&eit);
>> + fprintf(stdout, ".");
>> + fflush(stdout);
>> + if(0 > ret) {
>> + fprintf(stderr, "%s(): error calling "
>> + "atsc_scan_table()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + if(0 == ret) {
>> + fprintf(stdout, "no EIT %d in %d
>> seconds\n",
>> + index, TIMEOUT);
>> + return 0;
>> + }
>> +
>> + if(0xFFFF == source_id) {
>> + source_id = atsc_eit_section_source_id(eit);
>> + for(k = 0; k < guide.num_channels; k++) {
>> + if(source_id == guide.ch[k].src_id) {
>> + curr_info = &guide.ch[k];
>> + curr_channel_index = k;
>> + if(0 == index) {
>> + curr_info->last_event
>> = NULL;
>> + }
>> + break;
>> + }
>> + }
>> + if(k == guide.num_channels) {
>> + fprintf(stderr, "%s(): cannot find
>> source_id "
>> + "0x%04X in the EIT\n",
>> + __FUNCTION__, source_id);
>> + return -1;
>> + }
>> + } else {
>> + if(source_id !=
>> +
>> atsc_eit_section_source_id(eit)) {
>> + continue;
>> + }
>> + }
>> + if(eit_instance_pattern & (1 <<
>> curr_channel_index)) {
>> + /* we have received this instance,
>> + * so quit quick
>> + */
>> + break;
>> + }
>> +
>> + if(-1 == num_sections) {
>> + num_sections = 1 +
>> +
>> eit->head.ext_head.last_section_number;
>> + if(32 < num_sections) {
>> + fprintf(stderr,
>> + "%s(): no support yet
>> for "
>> + "tables having more
>> than "
>> + "32 sections\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + } else {
>> + if(num_sections != 1 +
>> +
>> eit->head.ext_head.last_section_number) {
>> + fprintf(stderr,
>> + "%s(): last section
>> number "
>> + "does not match\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + }
>> + if(section_pattern &
>> + (1 <<
>> eit->head.ext_head.section_number)) {
>> + continue;
>> + }
>> + section_pattern |= 1 <<
>> eit->head.ext_head.section_number;
>> +
>> + eit_info = &curr_info->eit[index];
>> + if(NULL == (eit_info->section =
>> + realloc(eit_info->section,
>> + (eit_info->num_eit_sections + 1) *
>> + sizeof(struct
>> atsc_eit_section_info)))) {
>> + fprintf(stderr,
>> + "%s(): error calling
>> realloc()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + section_num =
>> eit->head.ext_head.section_number;
>> + if(0 == eit_info->num_eit_sections) {
>> + eit_info->num_eit_sections = 1;
>> + section = eit_info->section;
>> + } else {
>> + /* have to sort it into section order
>> + * (temporal order)
>> + */
>> + for(i = 0; i <
>> eit_info->num_eit_sections; i++) {
>> +
>> if(eit_info->section[i].section_num >
>> + section_num) {
>> + break;
>> + }
>> + }
>> + memmove(&eit_info->section[i + 1],
>> + &eit_info->section[i],
>> + (eit_info->num_eit_sections -
>> i) *
>> + sizeof(struct
>> atsc_eit_section_info));
>> + section = &eit_info->section[i - 1];
>> + section = &eit_info->section[i];
>> + eit_info->num_eit_sections += 1;
>> + }
>> +
>> + section->section_num = section_num;
>> + section->num_events =
>> eit->num_events_in_section;
>> + section->num_etms = 0;
>> + section->num_received_etms = 0;
>> + if(NULL == (section->events =
>> calloc(section->num_events,
>> + sizeof(struct atsc_event_info *)))) {
>> + fprintf(stderr, "%s(): error calling
>> calloc()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + if(parse_events(curr_info, eit, section)) {
>> + fprintf(stderr, "%s(): error calling "
>> + "parse_events()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + } while(section_pattern != (uint32_t)((1 <<
>> num_sections) - 1));
>> + eit_instance_pattern |= 1 << curr_channel_index;
>> + }
>> +
>> + for(i = 0; i < guide.num_channels; i++) {
>> + struct atsc_channel_info *channel = &guide.ch[i];
>> + struct atsc_eit_info *ei = &channel->eit[index];
>> + struct atsc_eit_section_info *s;
>> +
>> + if(0 == ei->num_eit_sections) {
>> + channel->last_event = NULL;
>> + continue;
>> + }
>> + s = &ei->section[ei->num_eit_sections - 1];
>> + /* BUG: it's incorrect when last section has no event
>> */
>> + if(0 == s->num_events) {
>> + channel->last_event = NULL;
>> + continue;
>> + }
>> + channel->last_event = s->events[s->num_events - 1];
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int parse_mgt(int dmxfd)
>> +{
>> + const enum atsc_section_tag tag = stag_atsc_master_guide;
>> + struct atsc_mgt_section *mgt;
>> + struct atsc_mgt_table *t;
>> + int i, j, ret;
>> +
>> + ret = atsc_scan_table(dmxfd, ATSC_BASE_PID, tag, (void
>> **)&mgt);
>> + if(0 > ret) {
>> + fprintf(stderr, "%s(): error calling
>> atsc_scan_table()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + if(0 == ret) {
>> + fprintf(stdout, "no MGT in %d seconds\n", TIMEOUT);
>> + return 0;
>> + }
>> +
>> + fprintf(stdout, "MGT table:\n");
>> + atsc_mgt_section_tables_for_each(mgt, t, i) {
>> + struct mgt_table_name table;
>> +
>> + for(j = 0; j < (int)(sizeof(mgt_tab_name_array) /
>> + sizeof(struct mgt_table_name)); j++) {
>> + if(t->table_type > mgt_tab_name_array[j].range) {
>> + continue;
>> + }
>> + table = mgt_tab_name_array[j];
>> + if(0 == j || mgt_tab_name_array[j - 1].range + 1 ==
>> + mgt_tab_name_array[j].range) {
>> + j = -1;
>> + } else {
>> + j = t->table_type - mgt_tab_name_array[j -
>> 1].range - 1;
>> + if(0x017F == table.range) {
>> + guide.eit_pid[j] = t->table_type_PID;
>> + } else if (0x027F == table.range) {
>> + guide.ett_pid[j] = t->table_type_PID;
>> + }
>> + }
>> + break;
>> + }
>> +
>> + fprintf(stdout, " %2d: type = 0x%04X, PID = 0x%04X,
>> %s", i,
>> + t->table_type, t->table_type_PID, table.string);
>> + if(-1 != j) {
>> + fprintf(stdout, " %d", j);
>> + }
>> + fprintf(stdout, "\n");
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int cleanup_guide(void)
>> +{
>> + int i, j, k;
>> +
>> + for(i = 0; i < guide.num_channels; i++) {
>> + struct atsc_channel_info *channel = &guide.ch[i];
>> +
>> + if(channel->title_buf.string) {
>> + free(channel->title_buf.string);
>> + }
>> + if(channel->msg_buf.string) {
>> + free(channel->msg_buf.string);
>> + }
>> + for(j = 0; j < channel->num_eits; j++) {
>> + struct atsc_eit_info *eit = &channel->eit[j];
>> +
>> + for(k = 0; k < eit->num_eit_sections; k++) {
>> + struct atsc_eit_section_info *section
>> =
>> + &eit->section[k];
>> + if(section->num_events) {
>> + free(section->events);
>> + }
>> + }
>> + if(k) {
>> + free(eit->section);
>> + }
>> + }
>> + if(j) {
>> + free(channel->eit);
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int print_events(struct atsc_channel_info *channel,
>> + struct atsc_eit_section_info *section)
>> +{
>> + int m;
>> + char line[256];
>> +
>> + if(NULL == section) {
>> + fprintf(stderr, "%s(): NULL pointer detected",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + for(m = 0; m < section->num_events; m++) {
>> + struct atsc_event_info *event =
>> + section->events[m];
>> +
>> + if(NULL == event) {
>> + continue;
>> + }
>> + fprintf(stdout, "|%02d:%02d--%02d:%02d| ",
>> + event->start.tm_hour, event->start.tm_min,
>> + event->end.tm_hour, event->end.tm_min);
>> + snprintf(line, event->title_len, "%s",
>> + &channel->title_buf.string[event->title_pos]);
>> + line[event->title_len] = '\0';
>> + fprintf(stdout, "%s\n", line);
>> + if(event->msg_len) {
>> + int len = event->msg_len;
>> + int pos = event->msg_pos;
>> + size_t part;
>> +
>> + do {
>> + part = len > 255 ? 255 : len;
>> + snprintf(line, part, "%s",
>> +
>> &channel->msg_buf.string[pos]);
>> + line[part] = '\0';
>> + fprintf(stdout, "%s", line);
>> + len -= part;
>> + pos += part;
>> + } while(0 < len);
>> + fprintf(stdout, "\n");
>> + }
>> + }
>> + return 0;
>> +}
>> +
>> +static int print_guide(void)
>> +{
>> + int i, j, k;
>> +
>> + fprintf(stdout, "%s\n", separator);
>> + for(i = 0; i < guide.num_channels; i++) {
>> + struct atsc_channel_info *channel = &guide.ch[i];
>> +
>> + fprintf(stdout, "%d.%d %s\n", channel->major_num,
>> + channel->minor_num, channel->short_name);
>> + for(j = 0; j < channel->num_eits; j++) {
>> + struct atsc_eit_info *eit = &channel->eit[j];
>> +
>> + for(k = 0; k < eit->num_eit_sections; k++) {
>> + struct atsc_eit_section_info *section
>> =
>> + &eit->section[k];
>> + if(print_events(channel, section)) {
>> + fprintf(stderr, "%s(): error
>> calling "
>> + "print_events()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + }
>> + }
>> + fprintf(stdout, "%s\n", separator);
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int open_demux(int *dmxfd)
>> +{
>> + if((*dmxfd = dvbdemux_open_demux(adapter, 0, 0)) < 0) {
>> + fprintf(stderr, "%s(): error calling
>> dvbdemux_open_demux()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + return 0;
>> +}
>> +
>> +static int close_demux(int dmxfd)
>> +{
>> + if(dvbdemux_stop(dmxfd)) {
>> + fprintf(stderr, "%s(): error calling
>> dvbdemux_stop()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + return 0;
>> +}
>> +
>> +/* used other utilities as template and generalized here */
>> +static int atsc_scan_table(int dmxfd, uint16_t pid, enum
>> atsc_section_tag tag,
>> + void **table_section)
>> +{
>> + uint8_t filter[18];
>> + uint8_t mask[18];
>> + unsigned char sibuf[4096];
>> + int size;
>> + int ret;
>> + struct pollfd pollfd;
>> + struct section *section;
>> + struct section_ext *section_ext;
>> + struct atsc_section_psip *psip;
>> +
>> + /* create a section filter for the table */
>> + memset(filter, 0, sizeof(filter));
>> + memset(mask, 0, sizeof(mask));
>> + filter[0] = tag;
>> + mask[0] = 0xFF;
>> + if(dvbdemux_set_section_filter(dmxfd, pid, filter, mask, 1,
>> 1)) {
>> + fprintf(stderr, "%s(): error calling
>> atsc_scan_table()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + /* poll for data */
>> + pollfd.fd = dmxfd;
>> + pollfd.events = POLLIN | POLLERR |POLLPRI;
>> + if((ret = poll(&pollfd, 1, TIMEOUT * 1000)) < 0) {
>> + if(ctrl_c) {
>> + return 0;
>> + }
>> + fprintf(stderr, "%s(): error calling poll()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(0 == ret) {
>> + return 0;
>> + }
>> +
>> + /* read it */
>> + if((size = read(dmxfd, sibuf, sizeof(sibuf))) < 0) {
>> + fprintf(stderr, "%s(): error calling read()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + /* parse section */
>> + section = section_codec(sibuf, size);
>> + if(NULL == section) {
>> + fprintf(stderr, "%s(): error calling
>> section_codec()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + section_ext = section_ext_decode(section, 0);
>> + if(NULL == section_ext) {
>> + fprintf(stderr, "%s(): error calling
>> section_ext_decode()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + psip = atsc_section_psip_decode(section_ext);
>> + if(NULL == psip) {
>> + fprintf(stderr,
>> + "%s(): error calling
>> atsc_section_psip_decode()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + *table_section = table_callback[tag & 0x0F](psip);
>> + if(NULL == *table_section) {
>> + fprintf(stderr, "%s(): error decode table section\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + return 1;
>> +}
>> +
>> +int main(int argc, char *argv[])
>> +{
>> + int i, dmxfd;
>> + struct dvbfe_handle *fe;
>> +
>> + program = argv[0];
>> +
>> + if(1 == argc) {
>> + usage();
>> + exit(-1);
>> + }
>> +
>> + for( ; ; ) {
>> + char c;
>> +
>> + if(-1 == (c = getopt(argc, argv, "a:f:p:m:th"))) {
>> + break;
>> + }
>> +
>> + switch(c) {
>> + case 'a':
>> + adapter = strtoll(optarg, NULL, 0);
>> + break;
>> +
>> + case 'f':
>> + frequency = strtol(optarg, NULL, 0);
>> + break;
>> +
>> + case 'p':
>> + period = strtol(optarg, NULL, 0);
>> + /* each table covers 3 hours */
>> + if((3 * MAX_NUM_EVENT_TABLES) < period) {
>> + period = 3 * MAX_NUM_EVENT_TABLES;
>> + }
>> + break;
>> +
>> + case 'm':
>> + /* just stub, so far ATSC only has VSB_8 */
>> + modulation = optarg;
>> + break;
>> +
>> + case 't':
>> + enable_ett = 1;
>> + break;
>> +
>> + case 'h':
>> + help();
>> + exit(0);
>> +
>> + default:
>> + usage();
>> + exit(-1);
>> + }
>> + }
>> +
>> + memset(separator, '-', sizeof(separator));
>> + separator[79] = '\0';
>> + memset(&guide, 0, sizeof(struct atsc_virtual_channels_info));
>> + memset(guide.eit_pid, 0xFF, MAX_NUM_EVENT_TABLES *
>> sizeof(uint16_t));
>> + memset(guide.ett_pid, 0xFF, MAX_NUM_EVENT_TABLES *
>> sizeof(uint16_t));
>> +
>> + if(open_frontend(&fe)) {
>> + fprintf(stderr, "%s(): error calling
>> open_frontend()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(open_demux(&dmxfd)) {
>> + fprintf(stderr, "%s(): error calling open_demux()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(parse_stt(dmxfd)) {
>> + fprintf(stderr, "%s(): error calling parse_stt()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(parse_mgt(dmxfd)) {
>> + fprintf(stderr, "%s(): error calling parse_mgt()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(parse_tvct(dmxfd)) {
>> + fprintf(stderr, "%s(): error calling parse_tvct()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> +#ifdef ENABLE_RRT
>> + if(parse_rrt(dmxfd)) {
>> + fprintf(stderr, "%s(): error calling parse_rrt()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +#endif
>> +
>> + fprintf(stdout, "receiving EIT ");
>> + for(i = 0; i < guide.ch[0].num_eits; i++) {
>> + if(parse_eit(dmxfd, i, guide.eit_pid[i])) {
>> + fprintf(stderr, "%s(): error calling
>> parse_eit()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> + }
>> + fprintf(stdout, "\n");
>> +
>> + old_handler = signal(SIGINT, int_handler);
>> + if(enable_ett) {
>> + fprintf(stdout, "receiving ETT ");
>> + for(i = 0; i < guide.ch[0].num_eits; i++) {
>> + if(0xFFFF != guide.ett_pid[i]) {
>> + if(parse_ett(dmxfd, i,
>> guide.ett_pid[i])) {
>> + fprintf(stderr, "%s(): error
>> calling "
>> + "parse_eit()\n",
>> __FUNCTION__);
>> + return -1;
>> + }
>> + }
>> + if(ctrl_c) {
>> + break;
>> + }
>> + }
>> + fprintf(stdout, "\n");
>> + }
>> + signal(SIGINT, old_handler);
>> +
>> + if(print_guide()) {
>> + fprintf(stderr, "%s(): error calling print_guide()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(cleanup_guide()) {
>> + fprintf(stderr, "%s(): error calling
>> cleanup_guide()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(close_demux(dmxfd)) {
>> + fprintf(stderr, "%s(): error calling close_demux()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + if(close_frontend(fe)) {
>> + fprintf(stderr, "%s(): error calling close_demux()\n",
>> + __FUNCTION__);
>> + return -1;
>> + }
>> +
>> + return 0;
>> +}
>> diff -uprN dvb-apps/util/atsc_epg/Makefile
>> dvb-apps_new/util/atsc_epg/Makefile
>> --- dvb-apps/util/atsc_epg/Makefile 1969-12-31 18:00:00.000000000
>> -0600
>> +++ dvb-apps_new/util/atsc_epg/Makefile 2009-06-18 20:11:58.362985962
>> -0500
>> @@ -0,0 +1,16 @@
>> +# Makefile for linuxtv.org dvb-apps/util/atsc_epg
>> +
>> +binaries = atsc_epg
>> +
>> +inst_bin = $(binaries)
>> +
>> +CPPFLAGS += -I../../lib -std=c99 -D_POSIX_SOURCE
>> +#LDFLAGS += -static -L../../lib/libdvbapi -L../../lib/libucsi
>> +LDFLAGS += -L../../lib/libdvbapi -L../../lib/libucsi
>> +LDLIBS += -ldvbapi -lucsi
>> +
>> +.PHONY: all
>> +
>> +all: $(binaries)
>> +
>> +include ../../Make.rules
>> diff -uprN dvb-apps/util/atsc_epg/README dvb-apps_new/util/atsc_epg/README
>> --- dvb-apps/util/atsc_epg/README 1969-12-31 18:00:00.000000000 -0600
>> +++ dvb-apps_new/util/atsc_epg/README 2009-06-18 20:33:47.836924378 -0500
>> @@ -0,0 +1,12 @@
>> +Hi there,
>> +
>> +atsc_epg is a small utility for obtaining information such as programs, EPG
>> +(electronic program guide) from an ATSC channel.
>> +
>> +Pulling the detailed information, i.e., option '-t', may take fairly long
>> +time, or never ending, which is a bug of the PSIP generator. Ctrl+C can be
>> +used to abort and the received parts will be printed.
>> +
>> +Enjoy,
>> +Yufei
>> +
>> diff -uprN dvb-apps/util/Makefile dvb-apps_new/util/Makefile
>> --- dvb-apps/util/Makefile 2009-06-18 19:43:30.034986539 -0500
>> +++ dvb-apps_new/util/Makefile 2009-06-18 20:11:41.169986806 -0500
>> @@ -3,6 +3,7 @@
>> .PHONY: all clean install
>>
>> all clean install:
>> + $(MAKE) -C atsc_epg $@
>> $(MAKE) -C av7110_loadkeys $@
>> $(MAKE) -C dib3000-watch $@
>> $(MAKE) -C dst-utils $@
>>
>
> --
> Even uttering "HI" or "HAO" is offensive, sometime, somewhere. Reader
> discretion is advised.
> --
>
> My, the patch is still pretty well broken.
>
> I leave it to Manu to help you further in the submission procedures ;)
>
> As said, keep your Confucius stuff if you like.
>
> I won't rant a second time on it.
>
> But don't ever complain here, if others do have some good arguments too,
> in their footers ...
>
> Cheers,
> Hermann
>
>
>
>
>
>
>
>
>
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