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stream_pvr: sort channel list by --tv-channels order 

Apparently this is what users would expect.

Going the way of least resistance (in terms of messing with this old,
rarely used code), sorting them by some kind of addition timestamp
(called priority in the patch) is the easiest.

Fixes #1390.
This commit is contained in:
wm4 2014-12-28 20:03:18 +01:00
parent f987625d5a
commit 1a6dc9ae44
1 changed files with 25 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
stream/stream_pvr.c
View File

@ -113,6 +113,7 @@ typedef struct station_elem_s {
int freq;
char station[PVR_STATION_NAME_SIZE];
int enabled;
int priority;
} station_elem_t;
typedef struct stationlist_s {
@ -307,7 +308,7 @@ disable_all_stations (struct pvr_t *pvr)
*/
static int
set_station (struct pvr_t *pvr, const char *station,
const char *channel, int freq)
const char *channel, int freq, int priority)
{
int i;
@ -347,6 +348,8 @@ set_station (struct pvr_t *pvr, const char *station,
else
BUFPRINTF(pvr->stationlist.list[i].station, "F %d", freq);
pvr->stationlist.list[i].priority = priority;
MP_DBG(pvr, "Set user station channel: %8s - freq: %8d - station: %s\n",
pvr->stationlist.list[i].name,
pvr->stationlist.list[i].freq,
@ -387,6 +390,7 @@ set_station (struct pvr_t *pvr, const char *station,
/* here we go, our actual new entry */
pvr->stationlist.used++;
pvr->stationlist.list[i].enabled = 1;
pvr->stationlist.list[i].priority = priority;
pvr->stationlist.enabled++;
if (station)
@ -406,6 +410,18 @@ set_station (struct pvr_t *pvr, const char *station,
return 0;
}
static int compare_priority(const void *pa, const void *pb)
{
const station_elem_t *a = pa;
const station_elem_t *b = pb;
if (a->priority < b->priority)
return -1;
if (a->priority > b->priority)
return 1;
return 0;
}
/**
* Here we set our stationlist, as follow
* - choose the frequency channel table, e.g. ntsc-cable
@ -468,6 +484,10 @@ parse_setup_stationlist (struct pvr_t *pvr)
disable_all_stations (pvr);
int prio = 0;
for (i = 0; i < pvr->stationlist.total; i++)
pvr->stationlist.list[i].priority = ++prio;
while (*channels)
{
char *tmp = *(channels++);
@ -492,12 +512,15 @@ parse_setup_stationlist (struct pvr_t *pvr)
if ((freq = atoi (channel)) <= 1000)
freq = -1;
if (set_station (pvr, station, (freq <= 0) ? channel : NULL, freq) < 0)
if (set_station (pvr, station, (freq <= 0) ? channel : NULL, freq, ++prio) < 0)
{
MP_ERR(pvr, "Unable to set user station channel: %8s - freq: %8d - station: %s\n",
channel, freq, station);
}
}
qsort(pvr->stationlist.list, pvr->stationlist.total,
sizeof(station_elem_t), compare_priority);
}
return print_all_stations (pvr);