Use defaults when LSE parameters are set to zero.#105
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From ITU T.87 C.2.4.1.1: "For MAXVAL, T1, T2, T3 and RESET, a value of 0 indicates reverting to default values as given in Table C.2. The SOI marker also resets these parameters to default values given in Table C.2." The existing code was doing this for SOI but not handling these being zero when the LSE segment is decoded.
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From ITU T.87 C.2.4.1.1:
"For MAXVAL, T1, T2, T3 and RESET, a value of 0 indicates reverting to default values as given in Table C.2. The SOI marker also resets these parameters to default values given in Table C.2."
The existing code was doing this for SOI but not handling these being zero when the LSE segment is decoded.