rfc9043v13.txt		rfc9043.txt
	skipping to change at line 2205 ¶		skipping to change at line 2205 ¶
	"slice_size" indicates the size of the Slice in bytes.		"slice_size" indicates the size of the Slice in bytes.
	Note: this allows finding the start of Slices before previous Slices		Note: this allows finding the start of Slices before previous Slices
	have been fully decoded and allows parallel decoding as well as error		have been fully decoded and allows parallel decoding as well as error
	resilience.		resilience.
	4.9.2. "error_status"		4.9.2. "error_status"
	"error_status" specifies the error status.		"error_status" specifies the error status.
	+=======+======================================+		+=======+=======================================+
	| value | error status |		| value | error status |
	+=======+======================================+		+=======+=======================================+
	| 0 | no error |		| 0 | no error |
	+-------+--------------------------------------+		+-------+---------------------------------------+
	| 1 | Slice contains a correctable error |		| 1 | Slice contains a correctable error |
	+-------+--------------------------------------+		+-------+---------------------------------------+
	| 2 | Slice contains a uncorrectable error |		| 2 | Slice contains an uncorrectable error |
	+-------+--------------------------------------+		+-------+---------------------------------------+
	| Other | reserved for future use |		| Other | reserved for future use |
	+-------+--------------------------------------+		+-------+---------------------------------------+
	Table 16: The definitions for "error_status"		Table 16: The definitions for "error_status"
	values.		values.
	4.9.3. "slice_crc_parity"		4.9.3. "slice_crc_parity"
	"slice_crc_parity" is 32 bits that are chosen so that the Slice as a		"slice_crc_parity" is 32 bits that are chosen so that the Slice as a
	whole has a CRC remainder of 0.		whole has a CRC remainder of 0.
	This is equivalent to storing the CRC remainder in the 32-bit parity.		This is equivalent to storing the CRC remainder in the 32-bit parity.
	The CRC generator polynomial used is the standard IEEE CRC polynomial		The CRC generator polynomial used is the standard IEEE CRC polynomial
	(0x104C11DB7) with initial value 0, without pre-inversion, and		(0x104C11DB7) with initial value 0, without pre-inversion, and
	skipping to change at line 2479 ¶		skipping to change at line 2479 ¶
	This appendix is informative.		This appendix is informative.
	The FFV1 bitstream is parsable in two ways: in sequential order as		The FFV1 bitstream is parsable in two ways: in sequential order as
	described in this document or with the pre-analysis of the footer of		described in this document or with the pre-analysis of the footer of
	each Slice. Each Slice footer contains a "slice_size" field so the		each Slice. Each Slice footer contains a "slice_size" field so the
	boundary of each Slice is computable without having to parse the		boundary of each Slice is computable without having to parse the
	Slice content. That allows multithreading as well as independence of		Slice content. That allows multithreading as well as independence of
	Slice content (a bitstream error in a Slice header or Slice content		Slice content (a bitstream error in a Slice header or Slice content
	has no impact on the decoding of the other Slices).		has no impact on the decoding of the other Slices).
	After having checked the "keyframe" field, a decoder SHOULD parse		After having checked the "keyframe" field, a decoder should parse
	"slice_size" fields, from "slice_size" of the last Slice at the end		"slice_size" fields, from "slice_size" of the last Slice at the end
	of the "Frame" up to "slice_size" of the first Slice at the beginning		of the "Frame" up to "slice_size" of the first Slice at the beginning
	of the "Frame" before parsing Slices, in order to have Slice		of the "Frame" before parsing Slices, in order to have Slice
	boundaries. A decoder MAY fall back on sequential order e.g., in		boundaries. A decoder may fall back on sequential order e.g., in
	case of a corrupted "Frame" (e.g., frame size unknown or "slice_size"		case of a corrupted "Frame" (e.g., frame size unknown or "slice_size"
	of Slices not coherent) or if there is no possibility of seeking into		of Slices not coherent) or if there is no possibility of seeking into
	the stream.		the stream.
	Appendix B. Future Handling of Some Streams Created by Nonconforming		Appendix B. Future Handling of Some Streams Created by Nonconforming
	Encoders		Encoders
	This appendix is informative.		This appendix is informative.
	Some bitstreams were found with 40 extra bits corresponding to		Some bitstreams were found with 40 extra bits corresponding to
End of changes. 4 change blocks.
	15 lines changed or deleted		15 lines changed or added
This html diff was produced by rfcdiff 1.48. The latest version is available from http://tools.ietf.org/tools/rfcdiff/