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avcodec/libzvbi-teletextdec: fix txt_default_region limits
Max region ID is 87. Also the region affects not only the G0 charset but G2 and the national subset as well. Signed-off-by: Marton Balint <cus@passwd.hu>
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@ -317,7 +317,7 @@ list are dropped. You may use the special @code{*} string to match all pages,
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or @code{subtitle} to match all subtitle pages.
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Default value is *.
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@item txt_default_region
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Set default G0 character set used for decoding, a value between 0 and 80 (see
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Set default character set used for decoding, a value between 0 and 87 (see
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ETS 300 706, Section 15, Table 32). Default value is -1, which does not
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override the libzvbi default. This option is needed for some legacy level 1.0
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transmissions which cannot signal the proper charset.
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@ -797,7 +797,7 @@ static void teletext_flush(AVCodecContext *avctx)
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#define SD AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_DECODING_PARAM
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static const AVOption options[] = {
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{"txt_page", "page numbers to decode, subtitle for subtitles, * for all", OFFSET(pgno), AV_OPT_TYPE_STRING, {.str = "*"}, 0, 0, SD},
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{"txt_default_region", "default G0 character set used for decoding", OFFSET(default_region), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 80, SD},
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{"txt_default_region", "default G0 character set used for decoding", OFFSET(default_region), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 87, SD},
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{"txt_chop_top", "discards the top teletext line", OFFSET(chop_top), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, SD},
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{"txt_format", "format of the subtitles (bitmap or text or ass)", OFFSET(format_id), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 2, SD, "txt_format"},
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{"bitmap", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, SD, "txt_format"},
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