[Ffmpeg-cvslog] r5727 - trunk/libavcodec/flacenc.c
michael
subversion
Thu Jul 13 13:41:53 CEST 2006
Author: michael
Date: Thu Jul 13 13:41:52 2006
New Revision: 5727
Modified:
trunk/libavcodec/flacenc.c
Log:
dither lpc cpeffs
Modified: trunk/libavcodec/flacenc.c
==============================================================================
--- trunk/libavcodec/flacenc.c (original)
+++ trunk/libavcodec/flacenc.c Thu Jul 13 13:41:52 2006
@@ -661,7 +661,7 @@
int32_t *lpc_out, int *shift)
{
int i;
- double cmax;
+ double cmax, error;
int32_t qmax;
int sh;
@@ -697,8 +697,11 @@
}
/* 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;
}
More information about the ffmpeg-cvslog
mailing list