[dvblast-devel] dvb-s2 multistream

JULIAN GARDNER joolzg at btinternet.com
Fri Nov 11 21:18:41 CET 2011


well that messes up my "eit to another ip", i used 'k'

joolz




>________________________________
>From: Georgi Chorbadzhiyski <gf at unixsol.org>
>To: Mailing list for DVBlast developers <dvblast-devel at videolan.org>
>Sent: Friday, 11 November 2011, 20:59
>Subject: Re: [dvblast-devel] dvb-s2 multistream
>
>On 11/11/11 7:58 PM, Вячеслав Адаманов wrote:
>> Are there any plans support multistream transponders?!
>
>Well aren't you a very impatient guy :) The patch for mis support
>is only two weeks old and have not found it's way into Linux yet
>(I'm looking at 3.2-rc1-git from today). I'm talking about the
>patch(es) at: http://www.tbsdtv.com/forum/viewtopic.php?f=26&t=1874
>
>Any way, attached is a test patch for dvblast that implements
>multisteam support. It is only compile tested.
>
>-- Georgi Chorbadzhiyski
>http://georgi.unixsol.org/
>
>From 39d2a66a9cc800d843e91c04aba8fb7e19b9d5d4 Mon Sep 17 00:00:00 2001
>From: Georgi Chorbadzhiyski <gf at unixsol.org>
>Date: Fri, 11 Nov 2011 21:55:40 +0200
>Subject: [PATCH] Add test support for DVB-S2 multistream.
>
>---
>dvb.c     |   12 ++++++++++--
>dvblast.c |   13 ++++++++++---
>dvblast.h |   11 +++++++++++
>3 files changed, 31 insertions(+), 5 deletions(-)
>
>diff --git a/dvb.c b/dvb.c
>index 557b7d3..f603030 100644
>--- a/dvb.c
>+++ b/dvb.c
>@@ -781,6 +781,9 @@ static struct dtv_property dvbs2_cmdargs[] = {
>     { .cmd = DTV_DELIVERY_SYSTEM, .u.data = SYS_DVBS2 },
>     { .cmd = DTV_PILOT,           .u.data = PILOT_AUTO },
>     { .cmd = DTV_ROLLOFF,         .u.data = ROLLOFF_AUTO },
>+#if DVBS2_MIS_IS_SUPPORTED
>+    { .cmd = DTV_DVBS2_MIS_ID,    .u.data = 0 },
>+#endif
>     { .cmd = DTV_TUNE },
>};
>static struct dtv_properties dvbs2_cmdseq = {
>@@ -842,6 +845,7 @@ static struct dtv_properties atsc_cmdseq = {
>#define PILOT 6
>#define TRANSMISSION 7
>#define ROLLOFF 7
>+#define MIS 8
>#define HIERARCHY 8
>
>struct dtv_property pclear[] = {
>@@ -916,6 +920,9 @@ static void FrontendSet( bool b_init )
>             p->props[MODULATION].u.data = GetModulation();
>             p->props[PILOT].u.data = GetPilot();
>             p->props[ROLLOFF].u.data = GetRollOff();
>+#if DVBS2_MIS_IS_SUPPORTED
>+            p->props[MIS].u.data = i_mis;
>+#endif
>         }
>         else
>             p = &dvbs_cmdseq;
>@@ -925,9 +932,10 @@ static void FrontendSet( bool b_init )
>         p->props[FEC_INNER].u.data = GetFECInner(info.caps);
>         p->props[FREQUENCY].u.data = FrontendDoDiseqc();
>
>-        msg_Dbg( NULL, "tuning QPSK frontend to f=%d srate=%d inversion=%d fec=%d rolloff=%d modulation=%s pilot=%d",
>+        msg_Dbg( NULL, "tuning QPSK frontend to f=%d srate=%d inversion=%d fec=%d rolloff=%d modulation=%s pilot=%d mis=%d",
>                  i_frequency, i_srate, i_inversion, i_fec, i_rolloff,
>-                 psz_modulation == NULL ? "legacy" : psz_modulation, i_pilot );
>+                 psz_modulation == NULL ? "legacy" : psz_modulation, i_pilot,
>+                 i_mis );
>         break;
>
>     case FE_ATSC:
>diff --git a/dvblast.c b/dvblast.c
>index 93a2dea..2e38135 100644
>--- a/dvblast.c
>+++ b/dvblast.c
>@@ -73,6 +73,7 @@ int b_tone = 0;
>int i_bandwidth = 8;
>char *psz_modulation = NULL;
>int i_pilot = -1;
>+int i_mis = 0;
>int i_fec_lp = 999;
>int i_guard = -1;
>int i_transmission = -1;
>@@ -452,7 +453,7 @@ void usage()
>         "[-i <RT priority>] [-a <adapter>] [-n <frontend number>] [-S <diseqc>] "
>         "[-f <frequency>|-D [<src host>[:<src port>]@]<src mcast>[:<port>][/<opts>]*|-A <ASI adapter>] "
>         "[-s <symbol rate>] [-v <0|13|18>] [-p] [-b <bandwidth>] [-I <inversion>] "
>-        "[-F <fec inner>] [-m <modulation] [-R <rolloff>] [-P <pilot>] [-K <fec lp>] "
>+        "[-F <fec inner>] [-m <modulation] [-R <rolloff>] [-P <pilot>] [-K <fec lp>] [-k <dvbs2_mutistream_id>] "
>         "[-G <guard interval>] [-H <hierarchy>] [-X <transmission>] [-O <lock timeout>] "
>         "[-u] [-w] [-U] [-L <latency>] [-E <retention>] [-d <dest IP>[<:port>][/<opts>]*] "
>         "[-z] [-C [-e] [-M <network name] [-N <network ID>]] [-T] [-j <system charset>] "
>@@ -477,6 +478,7 @@ void usage()
>     msg_Raw( NULL, "  -P --pilot            DVB-S2 Pilot (-1 auto, 0 off, 1 on)" );
>     msg_Raw( NULL, "  -R --rolloff          DVB-S2 Rolloff value" );
>     msg_Raw( NULL, "    DVB-S2 35=0.35|25=0.25|20=0.20|0=AUTO (default: 35)" );
>+    msg_Raw( NULL, "  -k --multistream-id   DVB-S2 multistream id (0-255, default: 0) /Only with DVB API >= 5.5?/" );
>     msg_Raw( NULL, "  -K --fec-lp           DVB-T low priority FEC (default auto)" );
>     msg_Raw( NULL, "  -G --guard            DVB-T guard interval" );
>     msg_Raw( NULL, "    DVB-T  32 (1/32)|16 (1/16)|8 (1/8)|4 (1/4)|-1 (auto, default)" );
>@@ -542,7 +544,7 @@ int main( int i_argc, char **pp_argv )
>         usage();
>
>     /*
>-     * The only short options left are: ky0123456789
>+     * The only short options left are: y0123456789
>      * Use them wisely.
>      */
>     static const struct option long_options[] =
>@@ -565,6 +567,7 @@ int main( int i_argc, char **pp_argv )
>         { "inversion",       required_argument, NULL, 'I' },
>         { "modulation",      required_argument, NULL, 'm' },
>         { "pilot",           required_argument, NULL, 'P' },
>+        { "mutistream-id",   required_argument, NULL, 'k' },
>         { "fec-lp",          required_argument, NULL, 'K' },
>         { "guard",           required_argument, NULL, 'G' },
>         { "hierarchy",       required_argument, NULL, 'H' },
>@@ -600,7 +603,7 @@ int main( int i_argc, char **pp_argv )
>         { 0, 0, 0, 0 }
>     };
>
>-    while ( (c = getopt_long(i_argc, pp_argv, "q::c:r:t:o:i:a:n:f:F:R:s:S:v:pb:I:m:P:K:G:H:X:O:uwUTL:E:d:D:A:lg:zCWYeM:N:j:J:B:x:Q:hVZ:", long_options, NULL)) != -1 )
>+    while ( (c = getopt_long(i_argc, pp_argv, "q::c:r:t:o:i:a:n:f:F:R:s:S:v:pb:I:m:P:k:K:G:H:X:O:uwUTL:E:d:D:A:lg:zCWYeM:N:j:J:B:x:Q:hVZ:", long_options, NULL)) != -1 )
>     {
>         switch ( c )
>         {
>@@ -711,6 +714,10 @@ int main( int i_argc, char **pp_argv )
>             i_pilot = strtol( optarg, NULL, 0 );
>             break;
>
>+        case 'k':
>+            i_mis = strtol( optarg, NULL, 0 );
>+            break;
>+
>         case 'K':
>             i_fec_lp = strtol( optarg, NULL, 0 );
>             break;
>diff --git a/dvblast.h b/dvblast.h
>index 40ce4c4..19b64ca 100644
>--- a/dvblast.h
>+++ b/dvblast.h
>@@ -24,6 +24,16 @@
>#include <netdb.h>
>#include <sys/socket.h>
>
>+#if DVBAPI_VERSION >= 505
>+    #define DVBS2_MIS_IS_SUPPORTED 1
>+#endif
>+
>+/* Debug code to test mutistream with older DVB headers */
>+#if 1 && DVBAPI_VERSION < 505
>+    #define DVBS2_MIS_IS_SUPPORTED 1
>+    #define DTV_DVBS2_MIS_ID 44
>+#endif
>+
>#define HAVE_CLOCK_NANOSLEEP
>#define HAVE_ICONV
>
>@@ -167,6 +177,7 @@ extern int i_bandwidth;
>extern int i_inversion;
>extern char *psz_modulation;
>extern int i_pilot;
>+extern int i_mis;
>extern int i_fec_lp;
>extern int i_guard;
>extern int i_transmission;
>-- 
>1.7.5.1
>
>
>_______________________________________________
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>dvblast-devel at videolan.org
>http://mailman.videolan.org/listinfo/dvblast-devel
>
>
>
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