Electronic device and method of operating the same
AssigneeSamsung Electronics Co., Ltd.
InventorSungho Moon
Life of this patent
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Abstract
An electronic device and a method of operating the same, the electronic device including a first decoder that decodes frames configuring a multimedia file stored in an external storage device; an encoder that encodes decoded frames included in a first decoded file; memory; and a controller that reads the multimedia file from the external storage device, extracts the frames from the read multimedia file, controls the first decoder and the encoder, and controls the memory to store the video thumbnail file output from the encoder.
Claims18
An electronic device connected to an external storage device storing a multimedia file comprising a plurality of frames, the electronic device comprising:
- a first decoder configured to decode the plurality of frames of the multimedia file and output a first decoded file;
- an encoder configured to encode decoded frames included in the first decoded file and output a video thumbnail file including the encoded frames;
- a memory configured to store data;
- and
- a controller configured to read the multimedia file from the external storage device, extract the plurality of frames from the read multimedia file, control the first decoder and the encoder to respectively output the first decoded file and the video thumbnail file, and control the memory to store the video thumbnail file,
- wherein the controller is configured to sample frames from the plurality of frames at preset time intervals and provide frame data including the frames sampled from the plurality of frames to the first decoder.
An electronic device connected to an external storage device storing a plurality of multimedia files, the electronic device comprising:
- a memory configured to store a plurality of video thumbnail files respectively corresponding to the plurality of multimedia files;
- a first decoder configured to decode all frames configuring a single video thumbnail file from among the plurality of video thumbnail files and output a first decoded file;
- a second decoder configured to decode sample frames sampled from the plurality of video thumbnail files and output a second decoded file;
- a user input module configured to output a selection signal;
- a controller configured to read the plurality of video thumbnail files from the memory, to control the first decoder to generate the first decoded file based on a selected video thumbnail file selected from the plurality of video thumbnail files based on the selection signal, control the second decoder to output the second decoded file, and process the first decoded file and the second decoded file;
- and
- a display device configured to display still thumbnail images and a video thumbnail image based on the first and second decoded files processed by the controller.
A method of operating an electronic device connected to an external storage device storing a multimedia file comprising a plurality of frames, the electronic device comprising a controller, a decoder and an encoder, the method comprising:
- reading, by the controller, the multimedia file from the external storage device;
- decoding, by the decoder, sample frames among the plurality of frames of the read multimedia file;
- encoding, by the encoder, the decoded sample frames to provide reduced size decoded sample frames;
- and
- storing, by the controller, a video thumbnail file including the encoded sample frames in memory included in the electronic device,
- wherein the decoding of the sample frames among the plurality of frames of the read multimedia file comprises:
- sampling frames from the plurality of frames at preset time intervals;
- and
- decoding the frames sampled at the preset time intervals as the sample frames.
Dependencies are inferred from the claim text.