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provide for the GAVL impl facade to be registered as basic media type.

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WIP actual implementation missing...
This commit is contained in:
Fischlurch 2008-09-24 06:36:35 +02:00
parent 83b574bdea
commit f80d0a49bd
2 changed files with 24 additions and 11 deletions
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21
src/lib/external/libgavl.cpp vendored
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@ -1,5 +1,5 @@
/*
STypeManager - entry point for dealing with media stream types
ImplFacadeGAVL - facade for integrating the GAVL media handling library
Copyright (C) Lumiera.org
2008, Hermann Vosseler <Ichthyostega@web.de>
@ -23,6 +23,7 @@
#include "proc/lumiera.hpp"
#include "lib/external/libgavl.hpp"
#include "proc/control/stypemanager.hpp"
extern "C" {
#include <gavl/gavl.h>
@ -31,11 +32,24 @@ extern "C" {
namespace lib {
namespace external {
namespace { // implementation internals
using control::STypeManager;
using control::ON_STREAMTYPES_RESET;
using lumiera::LifecycleHook;
void
provide_GAVL_stream_implementation_types ()
{
STypeManager& typeManager = STypeManager::instance();
UNIMPLEMENTED ("wire up a ImplFacade for GAVL implemented media streams");
}
namespace { // internal functionality
LifecycleHook _register_gavl_types_ (ON_STREAMTYPES_RESET, &provide_GAVL_stream_implementation_types);
}
/**
* Use an type information struct, which actually has to be
* a GAVL frametype (TODO), to wire up an ImplFacade such
@ -49,7 +63,6 @@ namespace lib {
TODO ("any chance to verify that the TypeTag actually points to a GAVL frame type descriptor?");
UNIMPLEMENTED ("wire up an impl facade with the correct GAVL lib functions for the data type in question");
}

14
src/lib/external/libgavl.hpp vendored
View file

@ -34,18 +34,20 @@ namespace lib {
using lumiera::Symbol;
using lumiera::StreamType;
typedef StreamType::ImplFacade ImplFacade;
typedef StreamType::ImplFacade::TypeTag TypeTag;
class LibGavl;
/**
* Concrete media lib implementation facade
* allowing to work with GAVL data frames and types
* in an implementation agnostic way
* in an implementation agnostic way.
* @note GAVL types are automagically registered into the
* control::STypeManager on reset and thus are always available.
*/
class ImplFacadeGAVL
: public ImplFacade
@ -67,7 +69,7 @@ namespace lib {
virtual DataBuffer* createFrame () const;
};
class LibGavl
: public control::MediaImplLib
{
@ -78,9 +80,7 @@ namespace lib {
virtual ImplFacadeGAVL const& getImplFacade (TypeTag*);
};
////////////////////////////////////TODO: dafür sorgen, daß sich das beim Systemstart in den control::STypeManger einklinkt!!!!!!!!
} // namespace external