void opentv_read_summaries (unsigned char *data, unsigned int length, bool huffman_debug)
{
if (length < 20) return;
unsigned short int channel_id = (data[3] << 8) | data[4];
unsigned short int mjd_time = (data[8] << 8) | data[9];
if ((channel_id > 0) && (mjd_time > 0))
{
unsigned int offset = 10;
while (offset + 4 < length)
{
unsigned short int event_id;
int packet_length = ((data[offset + 2] & 0x0f) << 8) | data[offset + 3];
int packet_length2 = packet_length;
char buffer[MAX_SUMMARIE_SIZE];
unsigned short int buffer_size = 0;
unsigned int offset2;
if (packet_length == 0) break;
event_id = (data[offset] << 8) | data[offset + 1];
offset += 4;
offset2 = offset;
while (packet_length2 > 0)
{
unsigned char descriptor_tag = data[offset2];
unsigned char descriptor_length = data[offset2 + 1];
offset2 += 2;
if (descriptor_tag == 0xb9 &&
MAX_SUMMARIE_SIZE > buffer_size + descriptor_length &&
offset2 + descriptor_length < length)
{
memcpy(&buffer[buffer_size], &data[offset2], descriptor_length);
buffer_size += descriptor_length;
}
packet_length2 -= descriptor_length + 2;
offset2 += descriptor_length;
}
offset += packet_length;
if (buffer_size > 0 && channels[channel_id] != NULL)
{
epgdb_title_t *title = epgdb_titles_get_by_id_and_mjd (channels[channel_id], event_id, mjd_time);
if (title != NULL)
{
char tmp[MAX_SUMMARIE_SIZE * 2];
if (!huffman_decode (buffer, buffer_size, tmp, MAX_SUMMARIE_SIZE * 2, huffman_debug))
tmp[0] = '\0';
if (huffman_debug)
{
char mtime[20];
struct tm *loctime = localtime ((time_t*)&title->start_time);
printf ("Nid: %x Tsid: %x Sid: %x\n", channels[channel_id]->nid, channels[channel_id]->tsid, channels[channel_id]->sid);
strftime (mtime, 20, "%d/%m/%Y %H:%M", loctime);
printf ("Start time: %s\n", mtime);
}
epgdb_titles_set_long_description (title, tmp);
}
}
}
}
}
bool dbmerge_merge (FILE *fd_h, FILE *fd_d, void(*progress_callback)(int, int))
{
char tmp[256];
unsigned char revision;
int channels_count, i, j, aliases_groups_count, indexes_count;
time_t now = time (NULL);
/* read headers */
fread (tmp, strlen (MAGIC_HEADERS), 1, fd_h);
if (memcmp (tmp, MAGIC_HEADERS, strlen (MAGIC_HEADERS)) != 0)
{
log_add ("Bad magic header");
return false;
}
fread (&revision, sizeof (unsigned char), 1, fd_h);
if (revision != DB_REVISION)
{
log_add ("Bad db revision");
return false;
}
fseek (fd_h, 22, SEEK_SET);
fread (&channels_count, sizeof (int), 1, fd_h);
for (i=0; i<channels_count; i++)
{
int titles_count;
epgdb_channel_t *tmp;
epgdb_channel_t *channel, *channel_tmp;
channel_tmp = _malloc (sizeof (epgdb_channel_t));
fread (channel_tmp, sizeof (epgdb_channel_header_t), 1, fd_h);
channel = epgdb_channels_add (channel_tmp->nid, channel_tmp->tsid, channel_tmp->sid);
_free (channel_tmp);
fread (&titles_count, sizeof (int), 1, fd_h);
for (j=0; j<titles_count; j++)
{
char *desc, *ldesc;
epgdb_title_t *title = _malloc (sizeof (epgdb_title_t));
fread (title, sizeof (epgdb_title_header_t), 1, fd_h);
desc = dbmerge_read_description (fd_d, title);
ldesc = dbmerge_read_long_description (fd_d, title);
title = epgdb_titles_add (channel, title);
epgdb_titles_set_description(title, desc);
epgdb_titles_set_long_description(title, ldesc);
_free (desc);
_free (ldesc);
}
if (progress_callback)
progress_callback (i, channels_count);
}
return true;
}