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interplayvideo: Free previous frames on resolution changes.
Fixes out of array reads Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -969,6 +969,13 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
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if (buf_size < s->decoding_map_size)
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return buf_size;
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if (s->last_frame.data[0] && av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, NULL)) {
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if (s->last_frame.data[0])
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avctx->release_buffer(avctx, &s->last_frame);
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if (s->second_last_frame.data[0])
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avctx->release_buffer(avctx, &s->second_last_frame);
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}
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s->decoding_map = buf;
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bytestream2_init(&s->stream_ptr, buf + s->decoding_map_size,
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buf_size - s->decoding_map_size);
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