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exr: fix decoding ZIP16 and height not multiple of 16 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-08-29 09:12:42 +00:00
parent 2d5c80b2e8
commit e4fff08f5b
1 changed files with 2 additions and 0 deletions
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2
libavcodec/exr.c
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@ -543,6 +543,8 @@ static int decode_frame(AVCodecContext *avctx,
} else {
const uint8_t *red_channel_buffer, *green_channel_buffer, *blue_channel_buffer, *alpha_channel_buffer = 0;
if (scan_lines_per_block > 1)
uncompressed_size = scan_line_size * FFMIN(scan_lines_per_block, ymax - y + 1);
if ((s->compr == EXR_ZIP1 || s->compr == EXR_ZIP16) && data_size < uncompressed_size) {
unsigned long dest_len = uncompressed_size;