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base64: simplify end handling in av_base64_encode()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-01-20 22:56:18 +01:00
parent 112bca91b0
commit ea4da94895
1 changed files with 3 additions and 6 deletions
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9
libavutil/base64.c
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@ -99,14 +99,11 @@ char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size)
i_bits = (i_bits << 8) + *in++;
bytes_remaining--;
i_shift += 8;
do {
*dst++ = b64[(i_bits << 6 >> i_shift) & 0x3f];
i_shift -= 6;
} while (i_shift > 6);
}
if (i_shift > 0)
while (i_shift > 0) {
*dst++ = b64[(i_bits << 6 >> i_shift) & 0x3f];
i_shift -= 6;
}
while ((dst - ret) & 3)
*dst++ = '=';
*dst = '\0';