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Code Issues Releases Activity

avformat/dtsdec: reduce the scope of crctab

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2016-05-04 19:23:23 -03:00
parent bb7c558070
commit e3df56f5b4
1 changed files with 1 additions and 2 deletions
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3
libavformat/dtsdec.c
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@@ -38,7 +38,6 @@ static int dts_probe(AVProbeData *p)
int sum, max, pos, i;
int64_t diff = 0;
uint8_t hdr[12 + AV_INPUT_BUFFER_PADDING_SIZE] = { 0 };
const AVCRC *crctab = av_crc_get_table(AV_CRC_16_CCITT);
for (pos = FFMIN(4096, p->buf_size); pos < p->buf_size - 2; pos += 2) {
int marker, sample_blocks, sample_rate, sr_code, framesize;
@@ -68,7 +67,7 @@ static int dts_probe(AVProbeData *p)
continue;
if (pos - 2 + hdr_size > p->buf_size)
continue;
if (av_crc(crctab, 0xffff, buf + 3, hdr_size - 5))
if (av_crc(av_crc_get_table(AV_CRC_16_CCITT), 0xffff, buf + 3, hdr_size - 5))
continue;
if (pos == exss_nextpos)