#include #include #include #include #include #include "AddOn.h" #include "Producer.h" MediaAddOn::MediaAddOn(image_id imid) : BMediaAddOn(imid) { /* Customize these parameters to match those of your node */ fFlavorInfo.name = "FinePixProducer"; fFlavorInfo.info = "FinePixProducer"; fFlavorInfo.kinds = B_BUFFER_PRODUCER | B_CONTROLLABLE | B_PHYSICAL_INPUT; fFlavorInfo.flavor_flags = 0; fFlavorInfo.internal_id = 0; fFlavorInfo.possible_count = 1; fFlavorInfo.in_format_count = 0; fFlavorInfo.in_format_flags = 0; fFlavorInfo.in_formats = NULL; fFlavorInfo.out_format_count = 1; fFlavorInfo.out_format_flags = 0; fMediaFormat.type = B_MEDIA_RAW_VIDEO; fMediaFormat.u.raw_video = media_raw_video_format::wildcard; fMediaFormat.u.raw_video.interlace = 1; fMediaFormat.u.raw_video.display.format = B_RGB32; fFlavorInfo.out_formats = &fMediaFormat; fInitStatus = B_OK; } MediaAddOn::~MediaAddOn() { } status_t MediaAddOn::InitCheck(const char **out_failure_text) { if (fInitStatus < B_OK) { *out_failure_text = "Unknown error"; return fInitStatus; } return B_OK; } int32 MediaAddOn::CountFlavors() { if (fInitStatus < B_OK) return fInitStatus; /* This addon only supports a single flavor, as defined in the * constructor */ return 1; } /* * The pointer to the flavor received only needs to be valid between * successive calls to BMediaAddOn::GetFlavorAt(). */ status_t MediaAddOn::GetFlavorAt(int32 n, const flavor_info **out_info) { if (fInitStatus < B_OK) return fInitStatus; if (n != 0) return B_BAD_INDEX; /* Return the flavor defined in the constructor */ *out_info = &fFlavorInfo; return B_OK; } BMediaNode * MediaAddOn::InstantiateNodeFor( const flavor_info *info, BMessage *config, status_t *out_error) { FinePixProducer *node; if (fInitStatus < B_OK) return NULL; if (info->internal_id != fFlavorInfo.internal_id) return NULL; /* At most one instance of the node should be instantiated at any given * time. The locking for this restriction may be found in the FinePixProducer * class. */ node = new FinePixProducer(this, fFlavorInfo.name, fFlavorInfo.internal_id); if (node && (node->InitCheck() < B_OK)) { delete node; node = NULL; } return node; } BMediaAddOn * make_media_addon(image_id imid) { return new MediaAddOn(imid); }