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avcodec_align_dimensions2: Ensure cinepak has large enough buffers.

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This is partly redundant with the following patches, but its safer

Found-by: u-bo1b@0w.se
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-02-20 02:24:30 +01:00
parent 2b10d41464
commit f5c00b347d
1 changed files with 8 additions and 1 deletions
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9
libavcodec/utils.c
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@ -267,7 +267,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
case AV_PIX_FMT_PAL8:
case AV_PIX_FMT_BGR8:
case AV_PIX_FMT_RGB8:
if (s->codec_id == AV_CODEC_ID_SMC) {
if (s->codec_id == AV_CODEC_ID_SMC ||
s->codec_id == AV_CODEC_ID_CINEPAK) {
w_align = 4;
h_align = 4;
}
@ -279,6 +280,12 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
h_align = 4;
}
break;
case AV_PIX_FMT_RGB24:
if (s->codec_id == AV_CODEC_ID_CINEPAK) {
w_align = 4;
h_align = 4;
}
break;
default:
w_align = 1;
h_align = 1;