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libavcodec/jpeg2000dec: Support for Parameterless Markers

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The JPEG2000 standard reserves marker values 0xFF30
to 0xFF3F to be used as parameterless markers. This
patch adds support to decode codestream with such
markers. This allows decoding of p0_02.j2k.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Gautam Ramakrishnan 2020-07-18 18:46:21 +05:30 committed by Michael Niedermayer
parent 489c5db079
commit e39490615f
1 changed files with 2 additions and 1 deletions
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3
libavcodec/jpeg2000dec.c
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@ -2092,7 +2092,8 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
marker = bytestream2_get_be16u(&s->g);
oldpos = bytestream2_tell(&s->g);
if (marker >= 0xFF30 && marker <= 0xFF3F)
continue;
if (marker == JPEG2000_SOD) {
Jpeg2000Tile *tile;
Jpeg2000TilePart *tp;