mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/vividas: reduce keybits to require half the space
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -78,11 +78,11 @@ static int viv_probe(const AVProbeData *p)
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return AVPROBE_SCORE_MAX;
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return AVPROBE_SCORE_MAX;
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}
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}
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static const unsigned short keybits[32] = {
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static const uint8_t keybits[32] = {
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163, 416, 893, 82, 223, 572, 1137, 430,
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20, 52, 111, 10, 27, 71, 142, 53,
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659, 1104, 13, 626, 695, 972, 1465, 686,
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82, 138, 1, 78, 86, 121, 183, 85,
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843, 1216, 317, 1122, 1383, 92, 513, 1158,
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105, 152, 39, 140, 172, 11, 64, 144,
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1243, 48, 573, 1306, 1495, 396, 1009, 350,
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155, 6, 71, 163, 186, 49, 126, 43,
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};
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};
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static uint32_t decode_key(uint8_t *buf)
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static uint32_t decode_key(uint8_t *buf)
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@ -91,7 +91,7 @@ static uint32_t decode_key(uint8_t *buf)
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for (int i = 0; i < 32; i++) {
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for (int i = 0; i < 32; i++) {
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unsigned p = keybits[i];
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unsigned p = keybits[i];
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key |= (unsigned)!!(buf[p>>3] & (1<<(p&7))) << i;
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key |= ((buf[p] >> ((i*5+3)&7)) & 1u) << i;
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}
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}
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return key;
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return key;
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