diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/truespeech.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/libavcodec/truespeech.c b/libavcodec/truespeech.c index d4ddfcbf9c..54352851b3 100644 --- a/libavcodec/truespeech.c +++ b/libavcodec/truespeech.c @@ -132,8 +132,7 @@ static void truespeech_correlate_filter(TSContext *dec) if(i > 0){ memcpy(tmp, dec->cvector, i * sizeof(*tmp)); for(j = 0; j < i; j++) - dec->cvector[j] = ((tmp[i - j - 1] * dec->vector[i]) + - (dec->cvector[j] << 15) + 0x4000) >> 15; + dec->cvector[j] += (tmp[i - j - 1] * dec->vector[i] + 0x4000) >> 15; } dec->cvector[i] = (8 - dec->vector[i]) >> 3; } @@ -256,7 +255,7 @@ static void truespeech_synth(TSContext *dec, int16_t *out, int quart) int sum = 0; for(k = 0; k < 8; k++) sum += ptr0[k] * ptr1[k]; - sum = (sum + (out[i] << 12) + 0x800) >> 12; + sum = out[i] + ((sum + 0x800) >> 12); out[i] = av_clip(sum, -0x7FFE, 0x7FFE); for(k = 7; k > 0; k--) ptr0[k] = ptr0[k - 1]; @@ -274,7 +273,7 @@ static void truespeech_synth(TSContext *dec, int16_t *out, int quart) for(k = 7; k > 0; k--) ptr0[k] = ptr0[k - 1]; ptr0[0] = out[i]; - out[i] = ((out[i] << 12) - sum) >> 12; + out[i] += (- sum) >> 12; } for(i = 0; i < 8; i++) |