From 0f8383005c97766e94440c20f63564d66730e0e6 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Wed, 5 Dec 2018 14:25:17 +0100 Subject: [PATCH] avcodec/dpx: check version of format header too --- libavcodec/dpx.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c index 538a1b9943..0297287938 100644 --- a/libavcodec/dpx.c +++ b/libavcodec/dpx.c @@ -106,6 +106,7 @@ static int decode_frame(AVCodecContext *avctx, int buf_size = avpkt->size; AVFrame *const p = data; uint8_t *ptr[AV_NUM_DATA_POINTERS]; + uint32_t header_version, version = 0; unsigned int offset; int magic_num, endian; @@ -141,6 +142,15 @@ static int decode_frame(AVCodecContext *avctx, return AVERROR_INVALIDDATA; } + header_version = read32(&buf, 0); + if (header_version == MKTAG('V','1','.','0')) + version = 1; + if (header_version == MKTAG('V','2','.','0')) + version = 2; + if (!version) + av_log(avctx, AV_LOG_WARNING, "Unknown header format version %s.\n", + av_fourcc2str(header_version)); + // Check encryption buf = avpkt->data + 660; ret = read32(&buf, endian);