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Merge commit '91ac403b1316d59b4f43c4ea0f237e24cec2819a'

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* commit '91ac403b1316d59b4f43c4ea0f237e24cec2819a':
  lavf: fix arithmetic overflows in avformat_seek_file()
  mjpeg: initialize input padding after unescaped buffer to zero

Conflicts:
	libavformat/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-09 13:56:46 +01:00
commit e7d924da30
1 changed files with 4 additions and 0 deletions
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4
libavcodec/mjpegdec.c
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@ -1557,6 +1557,8 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
}
*unescaped_buf_ptr = s->buffer;
*unescaped_buf_size = dst - s->buffer;
memset(s->buffer + *unescaped_buf_size, 0,
FF_INPUT_BUFFER_PADDING_SIZE);
av_log(s->avctx, AV_LOG_DEBUG, "escaping removed %td bytes\n",
(buf_end - *buf_ptr) - (dst - s->buffer));
@ -1598,6 +1600,8 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
*unescaped_buf_ptr = dst;
*unescaped_buf_size = (bit_count + 7) >> 3;
memset(s->buffer + *unescaped_buf_size, 0,
FF_INPUT_BUFFER_PADDING_SIZE);
} else {
*unescaped_buf_ptr = *buf_ptr;
*unescaped_buf_size = buf_end - *buf_ptr;