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stream/dvbin: add support for delivery system ISDB-T

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This is similar to DVB-T, but requires slightly different treatment
as there is no T/T2 differentiation.
Use a new channels.conf.isdbt file as channels config file.
This commit is contained in:
Oliver Freyermuth 2023-08-23 22:42:42 +02:00 committed by sfan5
parent 67368ac5d2
commit d88e3d105a
4 changed files with 13 additions and 2 deletions
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4
DOCS/man/options.rst
View File

@ -5136,8 +5136,8 @@ DVB
``--dvbin-file=<filename>``
Instructs mpv to read the channels list from ``<filename>``. The default is
in the mpv configuration directory (usually ``~/.config/mpv``) with the
filename ``channels.conf.{sat,ter,cbl,atsc}`` (based on your card type) or
``channels.conf`` as a last resort.
filename ``channels.conf.{sat,ter,cbl,atsc,isdbt}`` (based on your card
type) or ``channels.conf`` as a last resort.
For DVB-S/2 cards, a VDR 1.7.x format channel list is recommended
as it allows tuning to DVB-S2 channels, enabling subtitles and
decoding the PMT (which largely improves the demuxing).

2
stream/dvb_tune.c
View File

@ -447,6 +447,7 @@ static int tune_it(dvb_priv_t *priv, int fd_frontend, unsigned int delsys,
switch (delsys) {
case SYS_DVBT2:
case SYS_DVBT:
case SYS_ISDBT:
if (freq < 1000000)
freq *= 1000UL;
switch (bandwidth) {
@ -563,6 +564,7 @@ static int tune_it(dvb_priv_t *priv, int fd_frontend, unsigned int delsys,
break;
case SYS_DVBT:
case SYS_DVBT2:
case SYS_ISDBT:
{
struct dtv_property p[] = {
{ .cmd = DTV_DELIVERY_SYSTEM, .u.data = delsys },

1
stream/dvbin.h
View File

@ -130,6 +130,7 @@ typedef struct {
DELSYS_BIT(SYS_ATSC) | \
DELSYS_BIT(SYS_DVBC_ANNEX_B) | \
DELSYS_BIT(SYS_DVBT2) | \
DELSYS_BIT(SYS_ISDBT) | \
DELSYS_BIT(SYS_DVBC_ANNEX_C) \
)

8
stream/stream_dvb.c
View File

@ -386,6 +386,7 @@ static dvb_channels_list_t *dvb_get_channels(struct mp_log *log,
case SYS_DVBC_ANNEX_C:
case SYS_ATSC:
case SYS_DVBC_ANNEX_B:
case SYS_ISDBT:
mp_verbose(log, "VDR, %s, NUM: %d, NUM_FIELDS: %d, NAME: %s, "
"FREQ: %d, SRATE: %d",
get_dvb_delsys(delsys),
@ -437,6 +438,7 @@ static dvb_channels_list_t *dvb_get_channels(struct mp_log *log,
switch (delsys) {
case SYS_DVBT:
case SYS_DVBT2:
case SYS_ISDBT:
fields = sscanf(&line[k], ter_conf,
&ptr->freq, inv, bw, cr, tmp_lcr, mod,
transm, gi, tmp_hier, vpid_str, apid_str);
@ -553,6 +555,7 @@ static dvb_channels_list_t *dvb_get_channels(struct mp_log *log,
switch (delsys) {
case SYS_DVBT:
case SYS_DVBT2:
case SYS_ISDBT:
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_C:
if (!strcmp(inv, "INVERSION_ON")) {
@ -586,6 +589,7 @@ static dvb_channels_list_t *dvb_get_channels(struct mp_log *log,
switch (delsys) {
case SYS_DVBT:
case SYS_DVBT2:
case SYS_ISDBT:
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_C:
case SYS_ATSC:
@ -624,6 +628,7 @@ static dvb_channels_list_t *dvb_get_channels(struct mp_log *log,
switch (delsys) {
case SYS_DVBT:
case SYS_DVBT2:
case SYS_ISDBT:
if (!strcmp(bw, "BANDWIDTH_5_MHZ")) {
ptr->bw = BANDWIDTH_5_MHZ;
} else if (!strcmp(bw, "BANDWIDTH_6_MHZ")) {
@ -1199,6 +1204,9 @@ dvb_state_t *dvb_get_state(stream_t *stream)
case SYS_DVBT2:
conf_file_name = "channels.conf.ter";
break;
case SYS_ISDBT:
conf_file_name = "channels.conf.isdbt";
break;
case SYS_DVBS:
if (DELSYS_IS_SET(delsys_mask[f], SYS_DVBS2))
continue; /* Add all channels later with S2. */