diff options
Diffstat (limited to 'libsi/descriptor.c')
-rw-r--r-- | libsi/descriptor.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/libsi/descriptor.c b/libsi/descriptor.c index cc3a016..6a3af9f 100644 --- a/libsi/descriptor.c +++ b/libsi/descriptor.c @@ -6,7 +6,7 @@ * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * - * $Id: descriptor.c 1.15 2005/09/03 15:16:49 kls Exp $ + * $Id: descriptor.c 1.17 2006/02/18 11:02:25 kls Exp $ * * ***************************************************************************/ @@ -16,7 +16,7 @@ namespace SI { void ShortEventDescriptor::Parse() { - unsigned int offset=0; + int offset=0; const descr_short_event *s; data.setPointerAndOffset<const descr_short_event>(s, offset); languageCode[0]=s->lang_code1; @@ -38,7 +38,7 @@ int ExtendedEventDescriptor::getLastDescriptorNumber() { } void ExtendedEventDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_extended_event>(s, offset); languageCode[0]=s->lang_code1; languageCode[1]=s->lang_code2; @@ -51,7 +51,7 @@ void ExtendedEventDescriptor::Parse() { } void ExtendedEventDescriptor::Item::Parse() { - unsigned int offset=0; + int offset=0; const item_extended_event *first; data.setPointerAndOffset<const item_extended_event>(first, offset); itemDescription.setDataAndOffset(data+offset, first->item_description_length, offset); @@ -327,9 +327,12 @@ int CaDescriptor::getCaPid() const { } void CaDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_ca>(s, offset); - privateData.assign(data.getData(offset), getLength()-offset); + if (checkSize(getLength()-offset)) + privateData.assign(data.getData(offset), getLength()-offset); + else + privateData.assign(NULL, 0); } int StreamIdentifierDescriptor::getComponentTag() const { @@ -477,7 +480,7 @@ int ServiceDescriptor::getServiceType() const { } void ServiceDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_service>(s, offset); providerName.setDataAndOffset(data+offset, s->provider_name_length, offset); const descr_service_mid *mid; @@ -526,7 +529,7 @@ int ComponentDescriptor::getComponentTag() const { } void ComponentDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_component>(s, offset); languageCode[0]=s->lang_code1; languageCode[1]=s->lang_code2; @@ -580,7 +583,7 @@ int FrequencyListDescriptor::getCodingType() const { } void FrequencyListDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_frequency_list>(s, offset); frequencies.setData(data+offset, getLength()-offset); } @@ -594,7 +597,7 @@ void MultilingualNameDescriptor::Parse() { } void MultilingualNameDescriptor::Name::Parse() { - unsigned int offset=0; + int offset=0; const entry_multilingual_name *s; data.setPointerAndOffset<const entry_multilingual_name>(s, offset); languageCode[0]=s->lang_code1; @@ -609,7 +612,7 @@ int MultilingualComponentDescriptor::getComponentTag() const { } void MultilingualComponentDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_multilingual_component>(s, offset); nameLoop.setData(data+sizeof(descr_multilingual_component), getLength()-sizeof(descr_multilingual_component)); } @@ -619,7 +622,7 @@ void MultilingualServiceNameDescriptor::Parse() { } void MultilingualServiceNameDescriptor::Name::Parse() { - unsigned int offset=0; + int offset=0; const entry_multilingual_name *s; data.setPointerAndOffset<const entry_multilingual_name>(s, offset); languageCode[0]=s->lang_code1; @@ -633,9 +636,12 @@ void MultilingualServiceNameDescriptor::Name::Parse() { } void LinkageDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_linkage>(s, offset); - privateData.assign(data.getData(offset), getLength()-offset); + if (checkSize(getLength()-offset)) + privateData.assign(data.getData(offset), getLength()-offset); + else + privateData.assign(NULL, 0); } int LinkageDescriptor::getTransportStreamId() const { @@ -682,7 +688,7 @@ AudioType ISO639LanguageDescriptor::Language::getAudioType() { } void PDCDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_pdc>(s, offset); } @@ -731,7 +737,7 @@ int MHP_ApplicationDescriptor::getApplicationPriority() const { } void MHP_ApplicationDescriptor::Parse() { - unsigned int offset=0; + int offset=0; const descr_application *dapp; data.setPointerAndOffset<const descr_application>(dapp, offset); profileLoop.setDataAndOffset(data+offset, dapp->application_profiles_length, offset); @@ -790,7 +796,7 @@ int MHP_TransportProtocolDescriptor::getComponentTag() const { } void MHP_TransportProtocolDescriptor::Parse() { - unsigned int offset=0; + int offset=0; data.setPointerAndOffset<const descr_transport_protocol>(s, offset); if (getProtocolId() == ObjectCarousel) { const transport_via_oc *oc; @@ -821,7 +827,7 @@ void MHP_DVBJApplicationDescriptor::ApplicationEntry::Parse() { } void MHP_DVBJApplicationLocationDescriptor::Parse() { - unsigned int offset=0; + int offset=0; const descr_dvbj_application_location *first; data.setPointerAndOffset<const descr_dvbj_application_location>(first, offset); baseDirectory.setDataAndOffset(data+offset, first->base_directory_length, offset); @@ -836,7 +842,7 @@ int MHP_ApplicationIconsDescriptor::getIconFlags() const { } void MHP_ApplicationIconsDescriptor::Parse() { - unsigned int offset=0; + int offset=0; const descr_application_icons_descriptor *first; data.setPointerAndOffset<const descr_application_icons_descriptor>(first, offset); iconLocator.setDataAndOffset(data+offset, first->icon_locator_length, offset); |