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alsdec: fix clipping of weightings for MCC decoding

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Fixes CID717905
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/6/head
Thilo Borgmann 12 years ago committed by Michael Niedermayer
parent 20ec0d2a75
commit feaff427c0
1 changed files with 6 additions and 6 deletions
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  1. 12
      libavcodec/alsdec.c

12
libavcodec/alsdec.c
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@ -1175,14 +1175,14 @@ static int read_channel_data(ALSDecContext *ctx, ALSChannelData *cd, int c)
if (current->master_channel != c) {
current->time_diff_flag = get_bits1(gb);
current->weighting[0] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
current->weighting[1] = mcc_weightings[av_clip(decode_rice(gb, 2) + 14, 0, 32)];
current->weighting[2] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
current->weighting[0] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 31)];
current->weighting[1] = mcc_weightings[av_clip(decode_rice(gb, 2) + 14, 0, 31)];
current->weighting[2] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 31)];
if (current->time_diff_flag) {
current->weighting[3] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
current->weighting[4] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
current->weighting[5] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 32)];
current->weighting[3] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 31)];
current->weighting[4] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 31)];
current->weighting[5] = mcc_weightings[av_clip(decode_rice(gb, 1) + 16, 0, 31)];
current->time_diff_sign = get_bits1(gb);
current->time_diff_index = get_bits(gb, ctx->ltp_lag_length - 3) + 3;

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