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iff decoder: initialise HAM line decoder with first palette entry

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The palette is organised into 'hold' and 'modify' pairs, hence why
the first palette entry is pal[1].

Fixes ticket #1701.

Signed-off-by: Peter Ross <pross@xvid.org>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Peter Ross 2012-11-25 22:04:11 +11:00 committed by Michael Niedermayer
parent 8f507feecb
commit fdd71cf04c
1 changed files with 1 additions and 1 deletions
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libavcodec/iff.c
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@ -428,7 +428,7 @@ static void decodeplane32(uint32_t *dst, const uint8_t *buf, int buf_size, int p
static void decode_ham_plane32(uint32_t *dst, const uint8_t *buf,
const uint32_t *const pal, unsigned buf_size)
{
uint32_t delta = 0;
uint32_t delta = pal[1]; /* first palette entry */
do {
uint32_t first, second;
DECODE_HAM_PLANE32(0);