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lavc/svq3: Fail for media key encryption.

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Tested-by: ami_stuff

Fixes a part of ticket #6094.
This commit is contained in:
Carl Eugen Hoyos 2017-01-23 13:39:56 +01:00
parent 9e6a242755
commit 6d6faa2a2d
1 changed files with 5 additions and 3 deletions
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8
libavcodec/svq3.c
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@ -1070,14 +1070,16 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
av_log(s->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
return -1;
}
if (get_bits1(&s->gb_slice)) {
avpriv_report_missing_feature(s->avctx, "Media key encryption");
return AVERROR_PATCHWELCOME;
}
s->slice_type = ff_h264_golomb_to_pict_type[slice_id];
if ((header & 0x9F) == 2) {
i = (s->mb_num < 64) ? 6 : (1 + av_log2(s->mb_num - 1));
i = (s->mb_num < 64) ? 5 : av_log2(s->mb_num - 1);
get_bits(&s->gb_slice, i);
} else {
skip_bits1(&s->gb_slice);
}
s->slice_num = get_bits(&s->gb_slice, 8);