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avcodec/exr: unbreak parsing sample aspect ratio

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This commit is contained in:
Paul B Mahol 2021-02-15 17:37:25 +01:00
parent 98191135e0
commit 5f0e3b549a
1 changed files with 5 additions and 4 deletions
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9
libavcodec/exr.c
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@ -134,6 +134,7 @@ typedef struct EXRContext {
const AVPixFmtDescriptor *desc;
int w, h;
uint32_t sar;
int32_t xmax, xmin;
int32_t ymax, ymin;
uint32_t xdelta, ydelta;
@ -1309,7 +1310,7 @@ static int check_header_variable(EXRContext *s,
static int decode_header(EXRContext *s, AVFrame *frame)
{
AVDictionary *metadata = NULL;
int magic_number, version, i, flags, sar = 0;
int magic_number, version, i, flags;
int layer_match = 0;
int ret;
int dup_channels = 0;
@ -1580,7 +1581,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
goto fail;
}
sar = bytestream2_get_le32(&s->gb);
s->sar = bytestream2_get_le32(&s->gb);
continue;
} else if ((var_size = check_header_variable(s, "compression",
@ -1663,8 +1664,6 @@ static int decode_header(EXRContext *s, AVFrame *frame)
bytestream2_skip(&s->gb, bytestream2_get_le32(&s->gb));
}
ff_set_sar(s->avctx, av_d2q(av_int2float(sar), 255));
if (s->compression == EXR_UNKN) {
av_log(s->avctx, AV_LOG_ERROR, "Missing compression attribute.\n");
ret = AVERROR_INVALIDDATA;
@ -1788,6 +1787,8 @@ static int decode_frame(AVCodecContext *avctx, void *data,
if ((ret = ff_set_dimensions(avctx, s->w, s->h)) < 0)
return ret;
ff_set_sar(s->avctx, av_d2q(av_int2float(s->sar), 255));
s->desc = av_pix_fmt_desc_get(avctx->pix_fmt);
if (!s->desc)
return AVERROR_INVALIDDATA;