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avcodec/prosumer: Simplify code slightly in decompress()

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-01-12 21:56:14 +01:00
parent ec28a85107
commit d3b76c9993
1 changed files with 7 additions and 12 deletions
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19
libavcodec/prosumer.c
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@ -84,16 +84,13 @@ static int decompress(GetByteContext *gb, int size, PutByteContext *pb, const ui
if (bytestream2_get_bytes_left(gb) <= 0) { if (bytestream2_get_bytes_left(gb) <= 0) {
if (!a) if (!a)
return 0; return 0;
cnt = 4;
} else { } else {
pos = bytestream2_tell(gb) ^ 2; pos = bytestream2_tell(gb);
bytestream2_seek(gb, pos, SEEK_SET); bytestream2_seek(gb, pos ^ 2, SEEK_SET);
AV_WN16(&a, bytestream2_peek_le16(gb)); AV_WN16(&a, bytestream2_peek_le16(gb));
pos = pos ^ 2; bytestream2_seek(gb, pos + 2, SEEK_SET);
bytestream2_seek(gb, pos, SEEK_SET);
bytestream2_skip(gb, 2);
cnt = 4;
} }
cnt = 4;
} }
c--; c--;
} }
@ -117,12 +114,10 @@ static int decompress(GetByteContext *gb, int size, PutByteContext *pb, const ui
} }
return 0; return 0;
} }
pos = bytestream2_tell(gb) ^ 2; pos = bytestream2_tell(gb);
bytestream2_seek(gb, pos, SEEK_SET); bytestream2_seek(gb, pos ^ 2, SEEK_SET);
AV_WN16(&a, bytestream2_peek_le16(gb)); AV_WN16(&a, bytestream2_peek_le16(gb));
pos = pos ^ 2; bytestream2_seek(gb, pos + 2, SEEK_SET);
bytestream2_seek(gb, pos, SEEK_SET);
bytestream2_skip(gb, 2);
cnt = 4; cnt = 4;
idx--; idx--;
} }