AAC: fix strict aliasing violation in parser
Originally committed as revision 16180 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -32,10 +32,13 @@ static int aac_sync(uint64_t state, AACAC3ParseContext *hdr_info,
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{
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GetBitContext bits;
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int size, rdb, ch, sr;
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uint8_t tmp[8];
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union {
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uint64_t u64;
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uint8_t u8[8];
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} tmp;
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AV_WB64(tmp, state);
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init_get_bits(&bits, tmp+8-AAC_HEADER_SIZE, AAC_HEADER_SIZE * 8);
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tmp.u64 = be2me_64(state);
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init_get_bits(&bits, tmp.u8+8-AAC_HEADER_SIZE, AAC_HEADER_SIZE * 8);
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if(get_bits(&bits, 12) != 0xfff)
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return 0;
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