int cmyth_rcv_commbreaklist(cmyth_conn_t conn, int *err,
cmyth_commbreaklist_t breaklist, int count)
{
int consumed;
int total = 0;
long rows;
char *failed = NULL;
cmyth_commbreak_t commbreak;
unsigned short type;
int i;
int j;
if (count <= 0) {
*err = EINVAL;
return 0;
}
/*
* Get number of rows
*/
consumed = cmyth_rcv_long(conn, err, &rows, count);
count -= consumed;
total += consumed;
if (*err) {
failed = "cmyth_rcv_long";
goto fail;
}
if (rows < 0) {
cmyth_dbg(CMYTH_DBG_DEBUG, "%s: no commercial breaks found.\n",
__FUNCTION__);
return 0;
} else {
/*
* Don't check for an uneven row count. mythcommflag can mark the start of the last
* commercial break, but then not mark the end before it reaches the end of the file.
* For this case the last commercial break is ignored.
*/
breaklist->commbreak_count = rows / 2;
}
breaklist->commbreak_list = malloc(breaklist->commbreak_count *
sizeof(cmyth_commbreak_t));
if (!breaklist->commbreak_list) {
cmyth_dbg(CMYTH_DBG_ERROR, "%s: malloc() failed for list\n",
__FUNCTION__);
*err = ENOMEM;
return consumed;
}
memset(breaklist->commbreak_list, 0, breaklist->commbreak_count * sizeof(cmyth_commbreak_t));
for (i = 0; i < breaklist->commbreak_count; i++) {
commbreak = cmyth_commbreak_create();
for (j = 0; j < 2; j++) {
consumed = cmyth_rcv_ushort(conn, err, &type, count);
count -= consumed;
total += consumed;
if (*err) {
failed = "cmyth_rcv_ushort";
goto fail;
}
/*
* Do a little sanity-checking.
*/
if (j == 0 && type != CMYTH_COMMBREAK_START) {
cmyth_dbg(CMYTH_DBG_ERROR,
"%s: type was not CMYTH_COMMBREAK_START\n",
__FUNCTION__);
return 0;
} else if (j == 1 && type != CMYTH_COMMBREAK_END) {
cmyth_dbg(CMYTH_DBG_ERROR,
"%s: type was not CMYTH_COMMBREAK_END\n",
__FUNCTION__);
return 0;
}
/*
* Only marks are returned, not the offsets. Marks are encoded in long_long.
*/
if (j == 0) {
consumed = cmyth_rcv_long_long(conn, err, &commbreak->start_mark, count);
} else {
consumed = cmyth_rcv_long_long(conn, err, &commbreak->end_mark, count);
}
count -= consumed;
total += consumed;
if (*err) {
failed = "cmyth_rcv_long";
goto fail;
}
}
breaklist->commbreak_list[i] = commbreak;
}
return total;
fail:
cmyth_dbg(CMYTH_DBG_ERROR, "%s: %s() failed (%d)\n",
__FUNCTION__, failed, *err);
return total;
}
int cmyth_rcv_commbreaklist(cmyth_conn_t conn, int *err,
cmyth_commbreaklist_t breaklist, int count)
{
int consumed;
int total = 0;
long rows;
int64_t mark;
long long start = -1;
char *failed = NULL;
cmyth_commbreak_t commbreak;
unsigned short type;
unsigned short start_type;
int i;
if (count <= 0) {
*err = EINVAL;
return 0;
}
/*
* Get number of rows
*/
consumed = cmyth_rcv_long(conn, err, &rows, count);
count -= consumed;
total += consumed;
if (*err) {
failed = "cmyth_rcv_long";
goto fail;
}
if (rows < 0) {
cmyth_dbg(CMYTH_DBG_DEBUG, "%s: no commercial breaks found.\n",
__FUNCTION__);
return 0;
}
for (i = 0; i < rows; i++) {
consumed = cmyth_rcv_ushort(conn, err, &type, count);
count -= consumed;
total += consumed;
if (*err) {
failed = "cmyth_rcv_ushort";
goto fail;
}
consumed = cmyth_rcv_int64(conn, err, &mark, count);
count -= consumed;
total += consumed;
if (*err) {
failed = "cmyth_rcv_long long";
goto fail;
}
if (type == CMYTH_COMMBREAK_START || type == CMYTH_CUTLIST_START) {
start = mark;
start_type = type;
} else if (type == CMYTH_COMMBREAK_END || type == CMYTH_CUTLIST_END) {
if (start >= 0 &&
((type == CMYTH_COMMBREAK_END && start_type == CMYTH_COMMBREAK_START)
|| (type == CMYTH_CUTLIST_END && start_type == CMYTH_CUTLIST_START)))
{
commbreak = cmyth_commbreak_create();
commbreak->start_mark = start;
commbreak->end_mark = mark;
start = -1;
breaklist->commbreak_list = realloc(breaklist->commbreak_list,
(++breaklist->commbreak_count) * sizeof(cmyth_commbreak_t));
breaklist->commbreak_list[breaklist->commbreak_count - 1] = commbreak;
} else {
cmyth_dbg(CMYTH_DBG_WARN,
"%s: ignoring 'end' marker without a 'start' marker at %lld\n",
__FUNCTION__, type, mark);
}
} else {
cmyth_dbg(CMYTH_DBG_WARN,
"%s: type (%d) is not a COMMBREAK or CUTLIST\n",
__FUNCTION__, type);
}
}
/*
* If the last entry is a start marker then it doesn't have an associated end marker. In this
* case we choose to simply ignore it. Another option is to put in a really large fake end marker
* but that may cause strange seek behaviour in a client application.
*/
return total;
fail:
cmyth_dbg(CMYTH_DBG_ERROR, "%s: %s() failed (%d)\n",
__FUNCTION__, failed, *err);
return total;
}
