[MEncoder-users] [mpeg4 @ 0x86f46cc]Error: 2pass curve failed to converge

[Pepe]

El Sábado, 21 de Octubre de 2006 15:41, Alejandro Vargas escribió:
> I'm obtaining an error of "2pass curve failed to converge". The only
> uncommon thing is the bitrate (more than 1300). (The problem is in the
> second pass with MEncoder 1.0pre8-4.1.1) I'm re-encoding the video for
> transcoding from xvid to divx and adding subtitles).
>
> ¿Is this a bug? Is there some walk-arrounds for this problem?

I had the same problem. After searching in this list, I used this patch:

--- libavcodec/ratecontrol-orig.c       2006-09-30 01:24:16.322544080 +0200
+++ libavcodec/ratecontrol.c    2006-09-30 01:24:33.220975128 +0200
@@ -911,7 +911,7 @@
     av_free(qscale);
     av_free(blured_qscale);

-    if(fabs(expected_bits/all_available_bits - 1.0) > 0.01 ){
+    if(abs(expected_bits/all_available_bits - 1.0) > 0.01 ){
         av_log(s->avctx, AV_LOG_ERROR, "Error: 2pass curve failed to 
converge\n");
         return -1;
     }

-- 
Pepe