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Code Issues Releases Activity

avcodec/exr: Allow duplicate use of channel indexes

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Fixes: Ticket #8203

Reported-by: durandal_1707
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 080819b3b4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-09-26 15:40:30 +02:00
parent 9c2659f4ab
commit 25a7110651
1 changed files with 6 additions and 3 deletions
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9
libavcodec/exr.c
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@ -1307,6 +1307,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
int magic_number, version, i, flags, sar = 0;
int layer_match = 0;
int ret;
int dup_channels = 0;
s->current_channel_offset = 0;
s->xmin = ~0;
@ -1465,10 +1466,12 @@ static int decode_header(EXRContext *s, AVFrame *frame)
s->pixel_type = current_pixel_type;
s->channel_offsets[channel_index] = s->current_channel_offset;
} else if (channel_index >= 0) {
av_log(s->avctx, AV_LOG_ERROR,
av_log(s->avctx, AV_LOG_WARNING,
"Multiple channels with index %d.\n", channel_index);
ret = AVERROR_INVALIDDATA;
goto fail;
if (++dup_channels > 10) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
}
s->channels = av_realloc(s->channels,