From 82b019cefd98be3cd778728ee718d40044b9e15d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 22 Dec 2005 22:48:09 +0000 Subject: [PATCH] better f_code guessing in 2nd pass Originally committed as revision 4766 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpegvideo.c | 5 +++-- libavcodec/mpegvideo.h | 2 +- libavcodec/ratecontrol.c | 11 +++++++++++ 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 729cfdd89d..c9adcaa5b7 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -5298,9 +5298,10 @@ static void encode_picture(MpegEncContext *s, int picture_number) s->no_rounding ^= 1; } - if(s->flags & CODEC_FLAG_PASS2) + if(s->flags & CODEC_FLAG_PASS2){ estimate_qp(s, 1); - else if(!(s->flags & CODEC_FLAG_QSCALE)){ + ff_get_2pass_fcode(s); + }else if(!(s->flags & CODEC_FLAG_QSCALE)){ RateControlContext *rcc= &s->rc_context; if(s->pict_type==B_TYPE) diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index b01e6e8029..ce8e6e2939 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -980,6 +980,6 @@ double ff_eval(char *s, double *const_value, const char **const_name, double (**func2)(void *, double, double), char **func2_name, void *opaque); int ff_vbv_update(MpegEncContext *s, int frame_size); - +void ff_get_2pass_fcode(MpegEncContext *s); #endif /* AVCODEC_MPEGVIDEO_H */ diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c index 8dd9d2b6d8..07e84235bd 100644 --- a/libavcodec/ratecontrol.c +++ b/libavcodec/ratecontrol.c @@ -607,6 +607,17 @@ static void adaptive_quantization(MpegEncContext *s, double q){ s->lambda_table[mb_xy]= intq; } } + +void ff_get_2pass_fcode(MpegEncContext *s){ + RateControlContext *rcc= &s->rc_context; + int picture_number= s->picture_number; + RateControlEntry *rce; + + rce= &rcc->entry[picture_number]; + s->f_code= rce->f_code; + s->b_code= rce->b_code; +} + //FIXME rd or at least approx for dquant float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)