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avcodec/mpc8: Unobfuscate sign-extension

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Andreas Rheinhardt
2020-10-29 23:58:51 +01:00
parent 33fbc90735
commit 1c430f6045
1 changed files with 1 additions and 1 deletions
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libavcodec/mpc8.c
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@@ -384,7 +384,7 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data,
for(j = 0; j < SAMPLES_PER_BAND; j += 2){ for(j = 0; j < SAMPLES_PER_BAND; j += 2){
t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3]; t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3];
c->Q[ch][off + j + 1] = t >> 4; c->Q[ch][off + j + 1] = t >> 4;
c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF); c->Q[ch][off + j + 0] = sign_extend(t, 4);
} }
break; break;
case 5: case 5: