Commit 8672abdc authored by Georgi Chorbadzhiyski's avatar Georgi Chorbadzhiyski

dvb/si: Complete support for EIT (Event Information Table).

parent 86724a2a
......@@ -4,6 +4,7 @@
* Copyright (C) 2009-2010 VideoLAN
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Georgi Chorbadzhiyski <georgi@unixsol.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
......@@ -82,11 +83,129 @@ static inline uint16_t eit_get_tsid(const uint8_t *p_eit)
return (p_eit[8] << 8) | p_eit[9];
}
static inline void eit_set_onid(uint8_t *p_eit, uint16_t i_onid)
{
p_eit[10] = i_onid >> 8;
p_eit[11] = i_onid & 0xff;
}
static inline uint16_t eit_get_onid(const uint8_t *p_eit)
{
return (p_eit[10] << 8) | p_eit[11];
}
static inline void eit_set_segment_last_sec_number(uint8_t *p_eit, uint8_t i_segment_last_sec_number)
{
p_eit[12] = i_segment_last_sec_number;
}
static inline uint8_t eit_get_segment_last_sec_number(const uint8_t *p_eit)
{
return p_eit[12];
}
static inline void eit_set_last_table_id(uint8_t *p_eit, uint8_t i_last_table_id)
{
p_eit[13] = i_last_table_id;
}
static inline uint8_t eit_get_last_table_id(const uint8_t *p_eit)
{
return p_eit[13];
}
static inline uint16_t eitn_get_event_id(const uint8_t *p_eit_n)
{
return (p_eit_n[0] << 8) | p_eit_n[1];
}
static inline void eitn_set_event_id(uint8_t *p_eit_n, uint16_t i_event_id)
{
p_eit_n[0] = i_event_id >> 8;
p_eit_n[1] = i_event_id & 0xff;
}
static inline uint64_t eitn_get_start_time(const uint8_t *p_eit_n)
{
return (uint64_t)(((uint64_t)p_eit_n[2] << 32) | ((uint64_t)p_eit_n[3] << 24) |
((uint64_t)p_eit_n[4] << 16) | ((uint64_t)p_eit_n[5] << 8) | p_eit_n[6]);
}
static inline void eitn_set_start_time(uint8_t *p_eit_n, uint64_t i_start_time)
{
p_eit_n[2] = (i_start_time >> 32) & 0xff;
p_eit_n[3] = (i_start_time >> 24) & 0xff;
p_eit_n[4] = (i_start_time >> 16) & 0xff;
p_eit_n[5] = (i_start_time >> 8) & 0xff;
p_eit_n[6] = i_start_time & 0xff;
}
static inline uint32_t eitn_get_duration_bcd(const uint8_t *p_eit_n)
{
return ((p_eit_n[7] << 16) | (p_eit_n[8] << 8)) | p_eit_n[9];
}
static inline void eitn_set_duration_bcd(uint8_t *p_eit_n, uint32_t i_duration_bcd)
{
p_eit_n[7] = (i_duration_bcd >> 16) & 0xff;
p_eit_n[8] = (i_duration_bcd >> 8) & 0xff;
p_eit_n[9] = i_duration_bcd & 0xff;
}
static inline uint8_t eitn_get_running_status(const uint8_t *p_eit_n)
{
return p_eit_n[10] >> 5;
}
static inline void eitn_set_running_status(uint8_t *p_eit_n, uint8_t i_running_status)
{
p_eit_n[10] = (p_eit_n[10] & 0x1f) | (i_running_status << 5);
}
static inline bool eitn_get_free_CA_mode(const uint8_t *p_eit_n)
{
return (p_eit_n[10] & 0x10) == 0x10;
}
static inline void eitn_set_free_CA_mode(uint8_t *p_eit_n, bool b_free_CA_mode)
{
p_eit_n[10] = b_free_CA_mode ? (p_eit_n[10] | 0x10) : (p_eit_n[10] &~ 0x10);
}
static inline uint16_t eitn_get_desclength(const uint8_t *p_eit_n)
{
return ((p_eit_n[10] & 0xf) << 8) | p_eit_n[11];
}
static inline void eitn_set_desclength(uint8_t *p_eit_n, uint16_t i_length)
{
p_eit_n[10] &= ~0xf;
p_eit_n[10] |= (i_length >> 8) & 0xf;
p_eit_n[11] = i_length & 0xff;
}
static inline uint8_t *eitn_get_descs(uint8_t *p_eit_n)
{
return &p_eit_n[10];
}
static inline uint8_t *eit_get_event(uint8_t *p_eit, uint8_t n)
{
uint16_t i_section_size = psi_get_length(p_eit) + PSI_HEADER_SIZE
- PSI_CRC_SIZE;
uint8_t *p_eit_n = p_eit + EIT_HEADER_SIZE;
if (p_eit_n - p_eit > i_section_size) return NULL;
while (n) {
if (p_eit_n + EIT_EVENT_SIZE - p_eit > i_section_size) return NULL;
p_eit_n += EIT_EVENT_SIZE + eitn_get_desclength(p_eit_n);
n--;
}
if (p_eit_n - p_eit >= i_section_size) return NULL;
return p_eit_n;
}
static inline bool eit_validate_event(const uint8_t *p_eit,
const uint8_t *p_eit_n,
uint16_t i_desclength)
......@@ -130,8 +249,6 @@ static inline bool eit_validate(const uint8_t *p_eit)
return (p_eit_n - p_eit == i_section_size);
}
/* TODO: unfinished support */
#ifdef __cplusplus
}
#endif
......
/*****************************************************************************
* eit_print.h: ETSI EN 300 468 Event Information Table (EIT) (printing)
*****************************************************************************
* Copyright (C) 2011 Unix Solutions Ltd.
*
* Authors: Georgi Chorbadzhiyski <georgi@unixsol.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#ifndef __BITSTREAM_DVB_EIT_PRINT_H__
#define __BITSTREAM_DVB_EIT_PRINT_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/psi.h>
#include <bitstream/mpeg/psi/descs_print.h>
#include <bitstream/dvb/si/datetime.h>
#include <bitstream/dvb/si/eit.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* Event Information Table
*****************************************************************************/
static inline void eit_print(uint8_t *p_eit,
f_print pf_print, void *print_opaque,
f_iconv pf_iconv, void *iconv_opaque,
print_type_t i_print_type)
{
uint8_t *p_event;
uint8_t j = 0;
uint8_t i_tid = psi_get_tableid(p_eit);
char *psz_tid = "unknown";
if (i_tid == EIT_TABLE_ID_PF_ACTUAL)
psz_tid = "actual_pf";
else if (i_tid == EIT_TABLE_ID_PF_OTHER)
psz_tid = "other_pf";
else if (i_tid >= EIT_TABLE_ID_SCHED_ACTUAL_FIRST && i_tid <= EIT_TABLE_ID_SCHED_ACTUAL_LAST)
psz_tid = "actual_schedule";
else if (i_tid >= EIT_TABLE_ID_SCHED_OTHER_FIRST && i_tid <= EIT_TABLE_ID_SCHED_OTHER_LAST)
psz_tid = "other_schedule";
switch (i_print_type) {
case PRINT_XML:
pf_print(print_opaque,
"<EIT tableid=\"0x%02x\" type=\"%s\" version=\"%u\""
" current_next=\"%u\" tsid=\"%u\" onid=\"%u\""
" seg_last_sec_number=\"%u\" last_table_id=\"0x%02x\">",
i_tid, psz_tid,
psi_get_version(p_eit),
!psi_get_current(p_eit) ? 0 : 1,
eit_get_tsid(p_eit),
eit_get_onid(p_eit),
eit_get_segment_last_sec_number(p_eit),
eit_get_last_table_id(p_eit)
);
break;
default:
pf_print(print_opaque,
"new EIT tableid=0x%02x type=%s version=%u%s tsid=%u"
" onid=%u seg_last_sec_number=%u last_table_id=0x%02x",
i_tid, psz_tid,
psi_get_version(p_eit),
!psi_get_current(p_eit) ? " (next)" : "",
eit_get_tsid(p_eit),
eit_get_onid(p_eit),
eit_get_segment_last_sec_number(p_eit),
eit_get_last_table_id(p_eit)
);
}
while ((p_event = eit_get_event(p_eit, j)) != NULL) {
j++;
char start_str[24], duration_str[10];
int duration, hour, min, sec;
time_t start_ts;
start_ts = dvb_time_format_UTC(eitn_get_start_time(p_event), NULL, start_str);
dvb_time_decode_bcd(eitn_get_duration_bcd(p_event), &duration, &hour, &min, &sec);
sprintf(duration_str, "%02d:%02d:%02d", hour, min, sec);
switch (i_print_type) {
case PRINT_XML:
pf_print(print_opaque, "<EVENT id=\"%u\" start_time=\"%ld\" start_time_dec=\"%s\""
" duration=\"%u\" duration_dec=\"%s\""
" running_status=\"%d\" free_CA_mode=\"%d\">",
eitn_get_event_id(p_event),
start_ts, start_str,
duration, duration_str,
eitn_get_running_status(p_event),
eitn_get_free_CA_mode(p_event)
);
break;
default:
pf_print(print_opaque, " * EVENT id=%u start_time=%ld start_time_dec=\"%s\" duration=%u duration_dec=%s running_status=%d free_CA_mode=%d",
eitn_get_event_id(p_event),
start_ts, start_str,
duration, duration_str,
eitn_get_running_status(p_event),
eitn_get_free_CA_mode(p_event)
);
}
descs_print(eitn_get_descs(p_event), pf_print, print_opaque,
pf_iconv, iconv_opaque, i_print_type);
switch (i_print_type) {
case PRINT_XML:
pf_print(print_opaque, "</EVENT>");
break;
default:
break;
}
}
switch (i_print_type) {
case PRINT_XML:
pf_print(print_opaque, "</EIT>");
break;
default:
pf_print(print_opaque, "end EIT");
}
}
#ifdef __cplusplus
}
#endif
#endif
......@@ -31,5 +31,6 @@
#include <bitstream/mpeg/psi/descs_print.h>
#include <bitstream/dvb/si/nit_print.h>
#include <bitstream/dvb/si/sdt_print.h>
#include <bitstream/dvb/si/eit_print.h>
#endif
......@@ -542,6 +542,8 @@ static void handle_eit_section(uint16_t i_pid, uint8_t *p_eit)
return;
}
eit_print(p_eit, print_wrapper, NULL, iconv_wrapper, NULL, i_print_type);
free(p_eit);
}
......
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