diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-07 23:22:13 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-21 18:28:00 +0200 |
| commit | 01d8c72b95b96498543c84757a593140085aab71 (patch) | |
| tree | 44190b2867ed67daf98897f5454d6595dc3cbb44 /libavformat/vividas.c | |
| parent | 8c6c2747bc85afcf97de855d6e86a12ff9ffc0bd (diff) | |
avformat/vividas: reduce keybits to require half the space
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/vividas.c')
| -rw-r--r-- | libavformat/vividas.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libavformat/vividas.c b/libavformat/vividas.c index 5e303b9c52..51fdb4a31e 100644 --- a/libavformat/vividas.c +++ b/libavformat/vividas.c @@ -78,11 +78,11 @@ static int viv_probe(const AVProbeData *p) return AVPROBE_SCORE_MAX; } -static const unsigned short keybits[32] = { - 163, 416, 893, 82, 223, 572, 1137, 430, - 659, 1104, 13, 626, 695, 972, 1465, 686, - 843, 1216, 317, 1122, 1383, 92, 513, 1158, - 1243, 48, 573, 1306, 1495, 396, 1009, 350, +static const uint8_t keybits[32] = { + 20, 52, 111, 10, 27, 71, 142, 53, + 82, 138, 1, 78, 86, 121, 183, 85, +105, 152, 39, 140, 172, 11, 64, 144, +155, 6, 71, 163, 186, 49, 126, 43, }; static uint32_t decode_key(uint8_t *buf) @@ -91,7 +91,7 @@ static uint32_t decode_key(uint8_t *buf) for (int i = 0; i < 32; i++) { unsigned p = keybits[i]; - key |= (unsigned)!!(buf[p>>3] & (1<<(p&7))) << i; + key |= ((buf[p] >> ((i*5+3)&7)) & 1u) << i; } return key; |