A web-based video-editing method and system using a...

Details A web-based video-editing method and system using a... A web-based video-editing method and system using a...

H - Electricity

04

N

H04N 5/14 (2006.01) H04N 9/64 (2006.01) H04H 1/04 (2006.01) G06T 13/00 (2006.01) H04H 7/00 (2006.01) H04N 7/173 (2006.01) H04N 5/45 (2006.01) H04N 7/16 (2006.01)

Patent

CA 2354559

A Web-based video-editing system (10) using a high-performance multimedia software library (34) having a toolkit, the toolkit being a set of reusable, high-performance primitives and abstractions that are at an intermediate keel of abstraction between C and conventional libraries. By decomposing common multimedia data types and operations into thin abstractions and primitives, programs written using the toolkit achieve performance competitive with hand-tuned C code, but which are shorter and more reusable. The toolkit programs can employ optimizations that are difficult to exploit in C and are impossible to use in conventional libraries.

L'invention porte sur un système (10) de montage vidéo basé sur le Web utilisant une bibliothèque (34) de logiciels multisupports à hautes performances associée à une trousse d'outils consistant en un ensemble de primitives et d'abstractions à hautes performances présentant un niveau intermédiaire d'abstraction entre les bibliothèques C et classiques. En décomposant les types de données multisupport communes et les opérations en abstractions et primitives fines, on peut obtenir des programmes écrits à l'aide d'une trousse d'outils aux performances comparables à celles de codes C syntonisés manuellement, mais plus courts et plus réutilisables. Les programmes réalisables avec ladite trousse d'outils peuvent recourir à des optimisations difficiles à exploiter avec les bibliothèques C et impossibles à utiliser avec les bibliothèques classiques.

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