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Code Issues Releases Activity

avcodec/dpx: check version of format header too

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This commit is contained in:
Paul B Mahol 2018-12-05 14:25:17 +01:00
parent 05a61a02d6
commit 0f8383005c
1 changed files with 10 additions and 0 deletions
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10
libavcodec/dpx.c
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@ -106,6 +106,7 @@ static int decode_frame(AVCodecContext *avctx,
int buf_size = avpkt->size; int buf_size = avpkt->size;
AVFrame *const p = data; AVFrame *const p = data;
uint8_t *ptr[AV_NUM_DATA_POINTERS]; uint8_t *ptr[AV_NUM_DATA_POINTERS];
uint32_t header_version, version = 0;
unsigned int offset; unsigned int offset;
int magic_num, endian; int magic_num, endian;
@ -141,6 +142,15 @@ static int decode_frame(AVCodecContext *avctx,
return AVERROR_INVALIDDATA; 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 // Check encryption
buf = avpkt->data + 660; buf = avpkt->data + 660;
ret = read32(&buf, endian); ret = read32(&buf, endian);