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improved bitshift part of code

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itsmattkc 2024-11-08 16:22:51 -08:00
parent f6e0945095
commit 2f6a3a1252
1 changed files with 4 additions and 7 deletions
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11
lib/gamepad/video.c
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@ -298,24 +298,21 @@ void write_exp_golomb(void *data, size_t buffer_size, size_t *bit_index, uint64_
// TODO: Could optimize this by writing 8 bits at a time
}
uint8_t *bytes = (uint8_t *) &exp_golomb_value;
int total_bytes = (bit_width / size_of_byte);
if (bit_width % size_of_byte != 0) {
total_bytes++;
}
for (int i = 0; i < total_bytes; i++) {
//
// NOTE: This must be changed for big endian
//
int real_index = total_bytes - 1 - i;
int write_count;
if (i == 0 && bit_width % size_of_byte != 0) {
write_count = bit_width % size_of_byte;
} else {
write_count = MIN(bit_width, size_of_byte);
}
write_bits(data, buffer_size, bit_index, bytes[real_index], write_count);
uint8_t byte = exp_golomb_value >> ((total_bytes - 1 - i) * size_of_byte);
write_bits(data, buffer_size, bit_index, byte, write_count);
}
}