diff options
| -rw-r--r-- | libavcodec/flacenc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c index 6d4e1d0dca..e21326de5e 100644 --- a/libavcodec/flacenc.c +++ b/libavcodec/flacenc.c @@ -661,7 +661,7 @@ static void quantize_lpc_coefs(double *lpc_in, int order, int precision, int32_t *lpc_out, int *shift) { int i; - double cmax; + double cmax, error; int32_t qmax; int sh; @@ -697,8 +697,11 @@ static void quantize_lpc_coefs(double *lpc_in, int order, int precision, } /* output quantized coefficients and level shift */ + error=0; for(i=0; i<order; i++) { - lpc_out[i] = (int32_t)(lpc_in[i] * (1 << sh)); + error += lpc_in[i] * (1 << sh); + lpc_out[i] = clip(lrintf(error), -qmax, qmax); + error -= lpc_out[i]; } *shift = sh; } |