Apparatus and method of producing preview files
First Claim
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1. An apparatus of producing preview files for previewing data frames, comprising:
- a playback engine, evaluating source frame data to obtain a plurality of source frame grades, receiving preview grade information, and sending a preview requirement according to the preview grade information;
a rendering engine, coupled to the playback engine, receiving the preview requirement, obtaining at least one frame data from files according to the preview requirement and the source frame grades, and transferring data from at least one frame into at least one preview file; and
a drawing engine, coupled to the playback engine, receiving the at least one preview file, and outputting preview frames of the at least one preview file.
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Abstract
An apparatus of producing preview files for previewing data frames. The inventive apparatus includes a playback engine, a rendering engine, and a drawing engine. The playback engine evaluates source frame data to obtain source frame grades, receives preview grade information, and sends a preview requirement according to the preview grade information. The rendering engine receives the preview requirement, obtains frame data from files according to the preview requirement and the source frame grades, and transfers the frame data into preview files. The drawing engine receives the preview frame files and outputs preview frames of the preview files.
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Citations
10 Claims
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1. An apparatus of producing preview files for previewing data frames, comprising:
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a playback engine, evaluating source frame data to obtain a plurality of source frame grades, receiving preview grade information, and sending a preview requirement according to the preview grade information;
a rendering engine, coupled to the playback engine, receiving the preview requirement, obtaining at least one frame data from files according to the preview requirement and the source frame grades, and transferring data from at least one frame into at least one preview file; and
a drawing engine, coupled to the playback engine, receiving the at least one preview file, and outputting preview frames of the at least one preview file. - View Dependent Claims (2, 3, 4, 5)
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6. A method of producing preview files for previewing data frames, comprising the steps of:
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providing a playback engine, a rendering engine, and a drawing engine, wherein the rendering engine and the drawing engine are coupled to the playback engine;
the playback engine evaluating source frame data to obtain a plurality of source frame grades;
the playback engine receiving preview grade information and sending a preview requirement according to the preview grade information;
the rendering engine receiving the preview requirement, and obtaining at least one frame data from files according to the preview requirement and the source frame grades;
the rendering engine transferring the at least one frame data into at least one preview file; and
the drawing engine receiving the at least one preview file, and outputting preview frames of the at least one preview file. - View Dependent Claims (7, 8, 9, 10)
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Specification