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avcodec/dpx: check encoding

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-05 01:38:08 +02:00
parent fb726ef09a
commit 23f105a830
1 changed files with 9 additions and 1 deletions
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10
libavcodec/dpx.c
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@ -78,6 +78,7 @@ static int decode_frame(AVCodecContext *avctx,
int magic_num, endian;
int x, y, i, ret;
int w, h, bits_per_color, descriptor, elements, packing, total_size;
int encoding;
unsigned int rgbBuffer = 0;
int n_datum = 0;
@ -126,8 +127,15 @@ static int decode_frame(AVCodecContext *avctx,
bits_per_color = buf[0];
buf++;
packing = read16(&buf, endian);
encoding = read16(&buf, endian);
buf += 822;
if (encoding) {
avpriv_report_missing_feature(avctx,
"Unsupported encoding %d\n", encoding);
return AVERROR_PATCHWELCOME;
}
buf += 820;
avctx->sample_aspect_ratio.num = read32(&buf, endian);
avctx->sample_aspect_ratio.den = read32(&buf, endian);
if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0)