METHOD FOR H264 TRANSCODING WITH CODE STREAM INFORMATION REUSE
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United States of America Patent
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Issued Date -
Sep 19, 2013
app pub date -
Dec 31, 2010
filing date -
Dec 31, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses a method for H264 transcoding with code stream information reuse, characterized in that, before encoding, a frame or field that is decoded from the original code stream is counted, and the current output of the frame or field is marked with the count value; during encoding, the slice type of the current frame or field that is encoded from an encoder is consistent with that of the original code stream; when encoding the code stream information at macroblock level, the code stream information at macroblock level of the original code stream is reused. The present invention increases the encoding speed and enhances the encoding efficiency without losing too much video quality.
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