ffmpeg | branch: release/2.0 | Michael Niedermayer <michae...@gmx.at> | Sun Aug
10 21:59:33 2014 +0200| [656f930160db48e0b7b25069c62abc340e7f0628] | committer:
Michael Niedermayer
avcodec/iff: check pixfmt for rgb8 / rgbn
Fixes out of array access
Found-by: Piotr Bandurski <ami_st...@o2.pl>
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
(cherry picked from commit 3539d6c63a16e1b2874bb037a86f317449c58770)
Conflicts:
libavcodec/iff.c
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=656f930160db48e0b7b25069c62abc340e7f0628
---
libavcodec/iff.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index 716a731..b41ee65 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -829,9 +829,9 @@ static int decode_frame(AVCodecContext *avctx,
break;
case 4:
bytestream2_init(&gb, buf, buf_size);
- if (avctx->codec_tag == MKTAG('R','G','B','8'))
+ if (avctx->codec_tag == MKTAG('R','G','B','8') && avctx->pix_fmt ==
AV_PIX_FMT_RGB32)
decode_rgb8(&gb, s->frame->data[0], avctx->width, avctx->height,
s->frame->linesize[0]);
- else if (avctx->codec_tag == MKTAG('R','G','B','N'))
+ else if (avctx->codec_tag == MKTAG('R','G','B','N') && avctx->pix_fmt
== AV_PIX_FMT_RGB444)
decode_rgbn(&gb, s->frame->data[0], avctx->width, avctx->height,
s->frame->linesize[0]);
else
return unsupported(avctx);
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