Bitstream merging
AssigneeFraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
InventorsRobert Skupin, Yago Sánchez De La Fuente, Cornelius Hellge, Thomas Schierl, Karsten Sühring, Thomas Wiegand
Life of this patent
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Abstract
A video encoder for providing an encoded video representation. The video encoder provides a level information that indicates a compatibility of a video stream with a video decoder having a capability level out of a plurality of predetermined capability levels as well as a fractional level information that indicates a fraction of one of the plurality of predetermined capability levels. A video decoder for decoding a provided video representation receives level information and fractional level information.
Claims20
A video encoder for providing an encoded video representation, the video encoder comprising:
- at least one processor comprising processing circuitry configured to perform operations comprising:
- providing, in a bitstream, a merge identifier indicating a method for merging two or more video streams;
- providing, in the bitstream, a level information that indicates a compatibility of a video stream with a video decoder having a capability level out of a plurality of predetermined capability levels;
- and
- providing, in the bitstream, a fractional level information that references one of the plurality of predetermined capability levels and indicates a fraction of the one of the plurality of predetermined capability levels, wherein the fraction of the one of the plurality of predetermined capability levels is specified as a ratio value,
- wherein the merge identifier, the level information, and the fractional level information are useable by a video decoder to merge the two or more video streams.
A method of providing an encoded video representation comprising:
- providing, in a bitstream, a merge identifier indicating a method for merging two or more video streams;
- providing, in the bitstream, a level information that indicates a compatibility of a video stream with a video decoder having a capability level out of a plurality of predetermined capability levels;
- and
- providing, in the bitstream, a fractional level information that references one of the plurality of predetermined capability levels and indicates a fraction of the one of the plurality of predetermined capability levels, wherein the fraction of the one of the plurality of predetermined capability levels is specified as a ratio value,
- wherein the merge identifier, the level information, and the fractional level information are useable by a video decoder to merge the two or more video streams.
A video decoder for decoding a provided video representation, the video decoder comprising:
- at least one processor comprising processing circuitry configured to perform operations comprising:
- receiving, in a bitstream, a merge identifier indicating a method for merging two or more video streams;
- receiving, in the bitstream, a level information that indicates a compatibility of a video stream with a capability level out of a plurality of predetermined capability levels;
- receiving, in the bitstream, a fractional level information that references one of the plurality of predetermined capability levels and indicates a fraction of the one of the plurality of predetermined capability levels, wherein the fraction of the one of the plurality of predetermined capability levels is specified as a ratio value;
- and
- merging the two or more video streams in accordance with the merge identifier, the level information, and the fractional level information.
A method of decoding a provided video representation comprising:
- receiving, in a bitstream, a merge identifier indicating a method for merging two or more video streams;
- receiving, in the bitstream, a level information that indicates a compatibility of a video stream with a capability level out of a plurality of predetermined capability levels;
- receiving, in the bitstream, a fractional level information that references one of the plurality of predetermined capability levels and indicates a fraction of the one of the plurality of predetermined capability levels, wherein the fraction of the one of the plurality of predetermined capability levels is specified as a ratio value;
- and
- merging the two or more video streams in accordance with the merge identifier, the level information, and the fractional level information.
Dependencies are inferred from the claim text.