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Adapted 'libsi' to DVB-S2

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This commit is contained in:
Klaus Schmidinger 2007-02-03 12:13:08 +01:00
parent 31820a5175
commit f3bc8d1988
7 changed files with 326 additions and 17 deletions
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1
CONTRIBUTORS
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@ -1390,6 +1390,7 @@ Marco Schl
for reporting a problem with displaying the replay mode symbol in case of "Multi
speed mode"
for removing 'assert(0)' from cDvbSpuDecoder::setTime()
for adapting 'libsi' to DVB-S2
Jürgen Schmitz <j.schmitz@web.de>
for reporting a bug in displaying the current channel when switching via the SVDRP

1
HISTORY
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@ -5105,3 +5105,4 @@ Video Disk Recorder Revision History
with open file handles when starting background commands (thanks to Reinhard
Nissl).
- Removed 'assert(0)' from cDvbSpuDecoder::setTime() (thanks to Marco Schlüßler).
- Adapted 'libsi' to DVB-S2 (thanks to Marco Schlüßler).

61
libsi/descriptor.c
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@ -6,7 +6,7 @@
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* $Id: descriptor.c 1.21 2006/05/28 14:25:30 kls Exp $
* $Id: descriptor.c 1.22 2007/02/03 11:45:58 kls Exp $
* *
***************************************************************************/
@ -418,8 +418,16 @@ int SatelliteDeliverySystemDescriptor::getPolarization() const {
return s->polarization;
}
int SatelliteDeliverySystemDescriptor::getModulation() const {
return s->modulation;
int SatelliteDeliverySystemDescriptor::getModulationSystem() const {
return s->modulation_system;
}
int SatelliteDeliverySystemDescriptor::getModulationType() const {
return s->modulation_type;
}
int SatelliteDeliverySystemDescriptor::getRollOff() const {
return s->roll_off;
}
int SatelliteDeliverySystemDescriptor::getSymbolRate() const {
@ -462,6 +470,18 @@ int TerrestrialDeliverySystemDescriptor::getFrequency() const {
return (HILO(s->frequency_hi) << 16) | HILO(s->frequency_lo);
}
int TerrestrialDeliverySystemDescriptor::getPriority() const {
return s->priority;
}
int TerrestrialDeliverySystemDescriptor::getTimeSlicingIndicator() const {
return s->time_slicing_indicator;
}
int TerrestrialDeliverySystemDescriptor::getMpeFecIndicator() const {
return s->mpe_fec_indicator;
}
int TerrestrialDeliverySystemDescriptor::getBandwidth() const {
return s->bandwidth;
}
@ -794,6 +814,41 @@ int AncillaryDataDescriptor::getAncillaryDataIdentifier() const {
return s->ancillary_data_identifier;
}
void S2SatelliteDeliverySystemDescriptor::Parse() {
int offset=0;
input_stream_identifier=0;
data.setPointerAndOffset<const descr_s2_satellite_delivery_system>(s, offset);
if (s->scrambling_sequence_selector)
data.setPointerAndOffset<const descr_scrambling_sequence_selector>(sss, offset);
if (s->multiple_input_stream_flag)
input_stream_identifier = *data.getData(offset++);
}
int S2SatelliteDeliverySystemDescriptor::getScramblingSequenceSelector() const {
return s->scrambling_sequence_selector;
}
int S2SatelliteDeliverySystemDescriptor::getMultipleInputStreamFlag() const {
return s->multiple_input_stream_flag;
}
int S2SatelliteDeliverySystemDescriptor::getBackwardsCompatibilityIndicator() const {
return s->backwards_compatibility_indicator;
}
int S2SatelliteDeliverySystemDescriptor::getScramblingSequenceIndex() const {
return sss == NULL ? 0 : (sss->scrambling_sequence_index_hi_lo << 16) | HILO(sss->scrambling_sequence_index_lo);
}
void ExtensionDescriptor::Parse() {
int offset=0;
data.setPointerAndOffset<const descr_extension>(s, offset);
}
int ExtensionDescriptor::getExtensionDescriptorTag() const {
return s->descriptor_tag_extension;
}
int PremiereContentTransmissionDescriptor::getOriginalNetworkId() const {
return HILO(s->original_network_id);
}

33
libsi/descriptor.h
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@ -6,7 +6,7 @@
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* $Id: descriptor.h 1.15 2006/05/28 14:25:30 kls Exp $
* $Id: descriptor.h 1.16 2007/02/03 11:45:58 kls Exp $
* *
***************************************************************************/
@ -210,7 +210,9 @@ public:
int getOrbitalPosition() const;
int getWestEastFlag() const;
int getPolarization() const;
int getModulation() const;
int getModulationSystem() const;
int getModulationType() const;
int getRollOff() const;
int getSymbolRate() const;
int getFecInner() const;
protected:
@ -236,6 +238,9 @@ class TerrestrialDeliverySystemDescriptor : public Descriptor {
public:
int getFrequency() const;
int getBandwidth() const;
int getPriority() const;
int getTimeSlicingIndicator() const;
int getMpeFecIndicator() const;
int getConstellation() const;
int getHierarchy() const;
int getCodeRateHP() const;
@ -484,6 +489,30 @@ private:
const descr_ancillary_data *s;
};
class S2SatelliteDeliverySystemDescriptor : public Descriptor {
public:
int getScramblingSequenceSelector() const;
int getMultipleInputStreamFlag() const;
int getBackwardsCompatibilityIndicator() const;
int getScramblingSequenceIndex() const;
int getInputStreamIdentifier() const { return input_stream_identifier; }
protected:
virtual void Parse();
private:
const descr_s2_satellite_delivery_system *s;
const descr_scrambling_sequence_selector *sss;
int input_stream_identifier;
};
class ExtensionDescriptor : public Descriptor {
public:
int getExtensionDescriptorTag() const;
protected:
virtual void Parse();
private:
const descr_extension *s;
};
// Private DVB Descriptor Premiere.de
// 0xF2 Content Transmission Descriptor
// http://dvbsnoop.sourceforge.net/examples/example-private-section.html

209
libsi/headers.h
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@ -10,7 +10,7 @@
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* $Id: headers.h 1.8 2006/09/02 20:25:16 kls Exp $
* $Id: headers.h 1.9 2007/02/03 11:45:58 kls Exp $
* *
***************************************************************************/
@ -942,9 +942,13 @@ struct descr_satellite_delivery_system {
#if BYTE_ORDER == BIG_ENDIAN
u_char west_east_flag :1;
u_char polarization :2;
u_char modulation :5;
u_char roll_off :2;
u_char modulation_system :1;
u_char modulation_type :2;
#else
u_char modulation :5;
u_char modulation_type :2;
u_char modulation_system :1;
u_char roll_off :2;
u_char polarization :2;
u_char west_east_flag :1;
#endif
@ -1349,9 +1353,15 @@ struct descr_terrestrial_delivery {
u_char frequency_lo_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char bandwidth :3;
u_char reserved1 :5;
u_char priority :1;
u_char time_slicing_indicator :1;
u_char mpe_fec_indicator :1;
u_char reserved1 :2;
#else
u_char reserved1 :5;
u_char reserved1 :2;
u_char mpe_fec_indicator :1;
u_char time_slicing_indicator :1;
u_char priority :1;
u_char bandwidth :3;
#endif
#if BYTE_ORDER == BIG_ENDIAN
@ -1492,10 +1502,10 @@ struct descr_data_broadcast {
/* TBD */
};
/* 0x65 ca_system_descriptor */
/* 0x65 scrambling_descriptor */
#define DESCR_CA_SYSTEM_LEN XX
struct descr_ca_system {
#define DESCR_SCRAMBLING_LEN XX
struct descr_scrambling {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
@ -1628,6 +1638,189 @@ struct descr_service_identifier {
u_char descriptor_length :8;
};
/* 0x72 service_availbility_descriptor */
struct descr_service_availbility {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char availability_flag :1;
u_char reserved :7;
#else
u_char reserved :7;
u_char availability_flag :1;
#endif
};
/* 0x73 default_authority_descriptor (ETSI TS 102 323) */
struct descr_default_authority {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x74 related_content_descriptor (ETSI TS 102 323) */
struct descr_related_content {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x75 tva_id_descriptor (ETSI TS 102 323) */
struct descr_tva_id {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x76 content_identifier_descriptor (ETSI TS 102 323) */
struct descr_content_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x77 time_slice_fec_identifier_descriptor (ETSI EN 301 192) */
struct descr_time_slice_fec_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char time_slicing :1;
u_char mpe_fec :2;
u_char reserved :2;
u_char frame_size :3;
#else
u_char frame_size :3;
u_char reserved :2;
u_char mpe_fec :2;
u_char time_slicing :1;
#endif
u_char max_burst_duration :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char max_average_rate :4;
u_char time_slice_fec_id :4;
#else
u_char time_slice_fec_id :4;
u_char max_average_rate :4;
#endif
};
/* 0x78 ecm_repetition_rate_descriptor (ETSI EN 301 192) */
struct descr_ecm_repetition_rate {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char ca_system_id_hi :8;
u_char ca_system_id_lo :8;
u_char ecm_repetition_rate_hi :8;
u_char ecm_repetition_rate_lo :8;
};
/* 0x79 s2_satellite_delivery_system_descriptor */
struct descr_s2_satellite_delivery_system {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char scrambling_sequence_selector :1;
u_char multiple_input_stream_flag :1;
u_char backwards_compatibility_indicator :1;
u_char reserved :5;
#else
u_char reserved :5;
u_char backwards_compatibility_indicator :1;
u_char multiple_input_stream_flag :1;
u_char scrambling_sequence_selector :1;
#endif
};
struct descr_scrambling_sequence_selector {
#if BYTE_ORDER == BIG_ENDIAN
u_char reserved :6;
u_char scrambling_sequence_index_hi_lo :2;
#else
u_char scrambling_sequence_index_hi_lo :2;
u_char reserved :6;
#endif
u_char scrambling_sequence_index_lo_hi :8;
u_char scrambling_sequence_index_lo_lo :8;
};
/* 0x7A enhanced_ac3_descriptor */
struct descr_enhanced_ac3 {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char component_type_flag :1;
u_char bsid_flag :1;
u_char mainid_flag :1;
u_char asvc_flag :1;
u_char mixinfoexists :1;
u_char substream1_flag :1;
u_char substream2_flag :1;
u_char substream3_flag :1;
#else
u_char substream3_flag :1;
u_char substream2_flag :1;
u_char substream1_flag :1;
u_char mixinfoexists :1;
u_char asvc_flag :1;
u_char mainid_flag :1;
u_char bsid_flag :1;
u_char component_type_flag :1;
#endif
};
/* 0x7B dts_descriptor */
struct descr_dts {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char sample_rate_code :4;
u_char bit_rate_code :6;
u_char nblks :7;
u_char fsize_hi :6;
u_char fsize_lo :8;
u_char surround_mode :6;
u_char lfe_flag :1;
u_char extended_surround_flag :2;
#else
u_char extended_surround_flag :2;
u_char lfe_flag :1;
u_char surround_mode :6;
u_char fsize_lo :8;
u_char fsize_hi :6;
u_char nblks :7;
u_char bit_rate_code :6;
u_char sample_rate_code :4;
#endif
};
/* 0x7C aac_descriptor */
struct descr_aac {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char profile_and_level :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char aac_type_flag :1;
u_char reserved :7;
#else
u_char reserved :7;
u_char aac_type_flag :1;
#endif
};
/* 0x7F extension_descriptor */
struct descr_extension {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char descriptor_tag_extension :8;
};
/* MHP 0x00 application_descriptor */
#define DESCR_APPLICATION_LEN 3

21
libsi/si.c
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@ -6,7 +6,7 @@
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* $Id: si.c 1.16 2006/04/14 10:53:44 kls Exp $
* $Id: si.c 1.17 2007/02/03 11:45:58 kls Exp $
* *
***************************************************************************/
@ -425,6 +425,12 @@ Descriptor *Descriptor::getDescriptor(CharArray da, DescriptorTagDomain domain,
case AncillaryDataDescriptorTag:
d=new AncillaryDataDescriptor();
break;
case S2SatelliteDeliverySystemDescriptorTag:
d=new S2SatelliteDeliverySystemDescriptor();
break;
case ExtensionDescriptorTag:
d=new ExtensionDescriptor();
break;
//note that it is no problem to implement one
//of the unimplemented descriptors.
@ -459,12 +465,23 @@ Descriptor *Descriptor::getDescriptor(CharArray da, DescriptorTagDomain domain,
case PartialTransportStreamDescriptorTag:
case DataBroadcastDescriptorTag:
case DataBroadcastIdDescriptorTag:
case CaSystemDescriptorTag:
case ScramblingDescriptorTag:
case AC3DescriptorTag:
case DSNGDescriptorTag:
case AnnouncementSupportDescriptorTag:
case AdaptationFieldDataDescriptorTag:
case TransportStreamDescriptorTag:
//defined in ETSI EN 300 468 v 1.7.1
case DefaultAuthorityDescriptorTag:
case RelatedContentDescriptorTag:
case TVAIdDescriptorTag:
case ContentIdentifierDescriptorTag:
case TimeSliceFecIdentifierDescriptorTag:
case ECMRepetitionRateDescriptorTag:
case EnhancedAC3DescriptorTag:
case DTSDescriptorTag:
case AACDescriptorTag:
default:
if (!returnUnimplemetedDescriptor)
return 0;

17
libsi/si.h
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@ -6,7 +6,7 @@
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* $Id: si.h 1.15 2006/05/27 13:07:20 kls Exp $
* $Id: si.h 1.16 2007/02/03 11:47:25 kls Exp $
* *
***************************************************************************/
@ -108,7 +108,7 @@ enum DescriptorTag {
FrequencyListDescriptorTag = 0x62,
PartialTransportStreamDescriptorTag = 0x63,
DataBroadcastDescriptorTag = 0x64,
CaSystemDescriptorTag = 0x65,
ScramblingDescriptorTag = 0x65,
DataBroadcastIdDescriptorTag = 0x66,
TransportStreamDescriptorTag = 0x67,
DSNGDescriptorTag = 0x68,
@ -122,6 +122,19 @@ enum DescriptorTag {
AdaptationFieldDataDescriptorTag = 0x70,
ServiceIdentifierDescriptorTag = 0x71,
ServiceAvailabilityDescriptorTag = 0x72,
// defined by ETSI (EN 300 468) v 1.7.1
DefaultAuthorityDescriptorTag = 0x73,
RelatedContentDescriptorTag = 0x74,
TVAIdDescriptorTag = 0x75,
ContentIdentifierDescriptorTag = 0x76,
TimeSliceFecIdentifierDescriptorTag = 0x77,
ECMRepetitionRateDescriptorTag = 0x78,
S2SatelliteDeliverySystemDescriptorTag = 0x79,
EnhancedAC3DescriptorTag = 0x7A,
DTSDescriptorTag = 0x7B,
AACDescriptorTag = 0x7C,
ExtensionDescriptorTag = 0x7F,
// Defined by ETSI TS 102 812 (MHP)
// They once again start with 0x00 (see page 234, MHP specification)
MHP_ApplicationDescriptorTag = 0x00,