コード例 #1
0
ファイル: dsmccobjcarousel.cpp プロジェクト: Openivo/mythtv
/** \fn ObjCarousel::AddModuleData(unsigned long,DsmccDb*,const unsigned char*)
 *  \brief We have received a block for a module.
 *
 *   Add it to the module and process the module if it's now complete.
 */
void ObjCarousel::AddModuleData(unsigned long carousel, DsmccDb *ddb,
                                const unsigned char *data)
{
    LOG(VB_DSMCC, LOG_INFO,
        QString("[dsmcc] Data block on carousel %1").arg(m_id));

    // Search the saved module info for this module
    QLinkedList<DSMCCCacheModuleData*>::iterator it = m_Cache.begin();
    DSMCCCacheModuleData *cachep = NULL;
    for (; it != m_Cache.end(); ++it)
    {
        cachep = *it;
        if (cachep->CarouselId() == carousel &&
            (cachep->ModuleId() == ddb->module_id))
        {
            break;
        }
    }

    if (cachep == NULL)
        return; // Not found module info.

    // Add the block to the module
    unsigned char *tmp_data = cachep->AddModuleData(ddb, data);

    if (tmp_data)
    {
        // It is complete and we have the data
        unsigned int len   = cachep->DataSize();
        unsigned long curp = 0;
        LOG(VB_DSMCC, LOG_INFO, 
            QString("[biop] Module size (uncompressed) = %1") .arg(len));

        // Now process the BIOP tables in this module.
        // Tables may be file contents or the descriptions of
        // directories or service gateways (root directories).
        while (curp < len)
        {
            BiopMessage bm;
            if (!bm.Process(cachep, &filecache, tmp_data, &curp))
                break;
        }
        free(tmp_data);
    }
}
コード例 #2
0
ファイル: dsmccobjcarousel.cpp プロジェクト: DocOnDev/mythtv
void ObjCarousel::AddModuleInfo(DsmccDii *dii, Dsmcc *status,
                                unsigned short streamTag)
{
    for (int i = 0; i < dii->number_modules; i++)
    {
        DsmccModuleInfo *info = &(dii->modules[i]);
        // Do we already know this module?
        // If so and it is the same version we don't need to do anything.
        // If the version has changed we have to replace it.
        QLinkedList<DSMCCCacheModuleData*>::iterator it = m_Cache.begin();
        for ( ; it != m_Cache.end(); ++it)
        {
            DSMCCCacheModuleData *cachep = *it;
            if (cachep->CarouselId() == dii->download_id &&
                    cachep->ModuleId() == info->module_id)
            {
                /* already known */
                if (cachep->Version() == info->module_version)
                {
                    VERBOSE(VB_DSMCC, QString("[dsmcc] Already Know "
                                              "Module %1")
                            .arg(info->module_id));
                    if (cachep->ModuleSize() == info->module_size)
                        return;
                    // It seems that when ITV4 starts broadcasting it
                    // updates the contents of a file but doesn't
                    // update the version.  This is a work-around.
                    VERBOSE(VB_DSMCC, QString("[dsmcc] Module %1 size "
                                              "has changed (%2 to %3) "
                                              "but version has not!!")
                             .arg(info->module_id)
                             .arg(info->module_size)
                             .arg(cachep->DataSize()));
                }
                // Version has changed - Drop old data.
                VERBOSE(VB_DSMCC, QString("[dsmcc] Updated "
                                          "Module %1")
                        .arg(info->module_id));

                // Remove and delete the cache object.
                m_Cache.erase(it);
                delete cachep;
                break;
            }
        }

        VERBOSE(VB_DSMCC, QString("[dsmcc] Saving info for module %1")
                .arg(dii->modules[i].module_id));

        // Create a new cache module data object.
        DSMCCCacheModuleData *cachep = new DSMCCCacheModuleData(dii, info, streamTag);

        int tag = info->modinfo.tap.assoc_tag;
        VERBOSE(VB_DSMCC, QString("[dsmcc] Module info tap "
                                  "identifies tag %1 with carousel %2\n")
                .arg(tag).arg(cachep->CarouselId()));

        // If a carousel with this id does not exist create it.
        status->AddTap(tag, cachep->CarouselId());

        // Add this module to the cache.
        m_Cache.append(cachep);
    }
}