[Ffmpeg-cvslog] CVS: ffmpeg/libavcodec faac.c, 1.2, 1.3 mp3lameaudio.c, 1.14, 1.15
Michael Niedermayer CVS
michael
Sun Aug 21 22:27:02 CEST 2005
Update of /cvsroot/ffmpeg/ffmpeg/libavcodec
In directory mail:/var2/tmp/cvs-serv14929/libavcodec
Modified Files:
faac.c mp3lameaudio.c
Log Message:
vbr audio encode patch by (Justin Ruggles: jruggle, earthlink net)
with changes by me
int->float as video uses float too
remove silent cliping to some per codec range, this should result in an error instead
remove change to utils.c as its inconsistant with video
Index: faac.c
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/faac.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- faac.c 23 Feb 2004 16:07:30 -0000 1.2
+++ faac.c 21 Aug 2005 20:27:00 -0000 1.3
@@ -56,7 +56,11 @@
faac_cfg->mpegVersion = MPEG4;
faac_cfg->useTns = 0;
faac_cfg->allowMidside = 1;
- faac_cfg->bitRate = avctx->bit_rate;
+ faac_cfg->bitRate = avctx->bit_rate / avctx->channels;
+ if(avctx->flags & CODEC_FLAG_QSCALE) {
+ faac_cfg->bitRate = 0;
+ faac_cfg->quantqual = avctx->global_quality / FF_QP2LAMBDA;
+ }
faac_cfg->outputFormat = 0;
faac_cfg->inputFormat = FAAC_INPUT_16BIT;
Index: mp3lameaudio.c
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/mp3lameaudio.c,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -d -r1.14 -r1.15
--- mp3lameaudio.c 24 Feb 2005 19:08:50 -0000 1.14
+++ mp3lameaudio.c 21 Aug 2005 20:27:00 -0000 1.15
@@ -53,6 +53,11 @@
/* lame 3.91 doesn't work in mono */
lame_set_mode(s->gfp, JOINT_STEREO);
lame_set_brate(s->gfp, avctx->bit_rate/1000);
+ if(avctx->flags & CODEC_FLAG_QSCALE) {
+ lame_set_brate(s->gfp, 0);
+ lame_set_VBR(s->gfp, vbr_default);
+ lame_set_VBR_q(s->gfp, avctx->global_quality / (float)FF_QP2LAMBDA);
+ }
lame_set_bWriteVbrTag(s->gfp,0);
if (lame_init_params(s->gfp) < 0)
goto err_close;
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