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Code Issues Releases Activity

quickdraw: Skip the empty 512 byte header for images

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Found-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
This commit is contained in:
Vittorio Giovara 2015-05-11 20:11:04 +01:00
parent d0dce15da3
commit 0348e74c01
1 changed files with 4 additions and 0 deletions
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4
libavcodec/qdrw.c
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@ -125,6 +125,10 @@ static int decode_frame(AVCodecContext *avctx,
bytestream2_init(&gbc, avpkt->data, avpkt->size); bytestream2_init(&gbc, avpkt->data, avpkt->size);
/* PICT images start with a 512 bytes empty header */
if (bytestream2_peek_be32(&gbc) == 0)
bytestream2_skip(&gbc, 512);
/* smallest PICT header */ /* smallest PICT header */
if (bytestream2_get_bytes_left(&gbc) < 40) { if (bytestream2_get_bytes_left(&gbc) < 40) {
av_log(avctx, AV_LOG_ERROR, "Frame is too small %d\n", av_log(avctx, AV_LOG_ERROR, "Frame is too small %d\n",