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vble: Do not abort decoding when version is not 1

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Some combinations of OS, VirtualDub, and VBLE can accidentally
set the version to a value other than 1. Since no other version
of VBLE was ever released, simply warn about it.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Piotr Bandurski 2012-11-27 14:05:46 +00:00 committed by Derek Buitenhuis
parent 1d86aa8b0f
commit f5fa03660d
1 changed files with 2 additions and 4 deletions
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6
libavcodec/vble.c
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@ -141,10 +141,8 @@ static int vble_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
/* Version should always be 1 */
version = AV_RL32(src);
if (version != 1) {
av_log(avctx, AV_LOG_ERROR, "Unsupported VBLE Version: %d\n", version);
return AVERROR_INVALIDDATA;
}
if (version != 1)
av_log(avctx, AV_LOG_WARNING, "Unsupported VBLE Version: %d\n", version);
init_get_bits(&gb, src + 4, (avpkt->size - 4) * 8);