avcodec/prosumer: Simplify code slightly in decompress()

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

View File

@ -84,16 +84,13 @@ static int decompress(GetByteContext *gb, int size, PutByteContext *pb, const ui
if (bytestream2_get_bytes_left(gb) <= 0) {
if (!a)
return 0;
cnt = 4;
} else {
pos = bytestream2_tell(gb) ^ 2;
bytestream2_seek(gb, pos, SEEK_SET);
pos = bytestream2_tell(gb);
bytestream2_seek(gb, pos ^ 2, SEEK_SET);
AV_WN16(&a, bytestream2_peek_le16(gb));
pos = pos ^ 2;
bytestream2_seek(gb, pos, SEEK_SET);
bytestream2_skip(gb, 2);
cnt = 4;
bytestream2_seek(gb, pos + 2, SEEK_SET);
}
cnt = 4;
}
c--;
}
@ -117,12 +114,10 @@ static int decompress(GetByteContext *gb, int size, PutByteContext *pb, const ui
}
return 0;
}
pos = bytestream2_tell(gb) ^ 2;
bytestream2_seek(gb, pos, SEEK_SET);
pos = bytestream2_tell(gb);
bytestream2_seek(gb, pos ^ 2, SEEK_SET);
AV_WN16(&a, bytestream2_peek_le16(gb));
pos = pos ^ 2;
bytestream2_seek(gb, pos, SEEK_SET);
bytestream2_skip(gb, 2);
bytestream2_seek(gb, pos + 2, SEEK_SET);
cnt = 4;
idx--;
}