diff options
author | 2003-10-07 11:45:09 +0000 | |
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committer | 2003-10-07 11:45:09 +0000 | |
commit | 6338346a8e4b99a18c3fced41d508b9927b8c7ec (patch) | |
tree | 06ff2183fb1eef260f33e7e1d165a184cc50d7b0 /libmpcodecs | |
parent | ad786f5450490c3dcab3265e86222b7792b7e708 (diff) |
use lagrange multipler instead of qscale
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11033 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs')
-rw-r--r-- | libmpcodecs/ve_lavc.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/libmpcodecs/ve_lavc.c b/libmpcodecs/ve_lavc.c index cfa2b72a13..143b36cb1d 100644 --- a/libmpcodecs/ve_lavc.c +++ b/libmpcodecs/ve_lavc.c @@ -58,11 +58,13 @@ static int lavc_param_vrate_tolerance = 1000*8; static int lavc_param_mb_decision = 0; /* default is realtime encoding */ static int lavc_param_v4mv = 0; static int lavc_param_vme = 4; -static int lavc_param_vqscale = 0; +static float lavc_param_vqscale = 0.0; static int lavc_param_vqmin = 2; static int lavc_param_vqmax = 31; static int lavc_param_mb_qmin = 2; static int lavc_param_mb_qmax = 31; +static float lavc_param_lmin = 2; +static float lavc_param_lmax = 31; static int lavc_param_vqdiff = 3; static float lavc_param_vqcompress = 0.5; static float lavc_param_vqblur = 0.5; @@ -143,11 +145,13 @@ m_option_t lavcopts_conf[]={ {"mbd", &lavc_param_mb_decision, CONF_TYPE_INT, CONF_RANGE, 0, 9, NULL}, {"v4mv", &lavc_param_v4mv, CONF_TYPE_FLAG, 0, 0, 1, NULL}, {"vme", &lavc_param_vme, CONF_TYPE_INT, CONF_RANGE, 0, 5, NULL}, - {"vqscale", &lavc_param_vqscale, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL}, + {"vqscale", &lavc_param_vqscale, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL}, {"vqmin", &lavc_param_vqmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL}, {"vqmax", &lavc_param_vqmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL}, {"mbqmin", &lavc_param_mb_qmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL}, {"mbqmax", &lavc_param_mb_qmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL}, + {"lmin", &lavc_param_lmin, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL}, + {"lmax", &lavc_param_lmax, CONF_TYPE_FLOAT, CONF_RANGE, 0.01, 255.0, NULL}, {"vqdiff", &lavc_param_vqdiff, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL}, {"vqcomp", &lavc_param_vqcompress, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL}, {"vqblur", &lavc_param_vqblur, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL}, @@ -248,6 +252,10 @@ struct vf_priv_s { #define mux_v (vf->priv->mux) #define lavc_venc_context (vf->priv->context) +#if LIBAVCODEC_BUILD < 4684 +#define FF_QP2LAMBDA 1 +#endif + static int config(struct vf_instance_s* vf, int width, int height, int d_width, int d_height, unsigned int flags, unsigned int outfmt){ @@ -283,6 +291,10 @@ static int config(struct vf_instance_s* vf, lavc_venc_context->mb_qmin= lavc_param_mb_qmin; lavc_venc_context->mb_qmax= lavc_param_mb_qmax; #endif +#if LIBAVCODEC_BUILD >= 4684 + lavc_venc_context->lmin= (int)(FF_QP2LAMBDA * lavc_param_lmin + 0.5); + lavc_venc_context->lmax= (int)(FF_QP2LAMBDA * lavc_param_lmax + 0.5); +#endif lavc_venc_context->max_qdiff= lavc_param_vqdiff; lavc_venc_context->qcompress= lavc_param_vqcompress; lavc_venc_context->qblur= lavc_param_vqblur; @@ -547,12 +559,12 @@ static int config(struct vf_instance_s* vf, /* fixed qscale :p */ if (lavc_param_vqscale) { - printf("Using constant qscale = %d (VBR)\n", lavc_param_vqscale); + printf("Using constant qscale = %f (VBR)\n", lavc_param_vqscale); lavc_venc_context->flags |= CODEC_FLAG_QSCALE; #if LIBAVCODEC_BUILD >= 4668 - lavc_venc_context->global_quality= FF_QUALITY_SCALE * lavc_param_vqscale; + lavc_venc_context->global_quality= #endif - vf->priv->pic->quality = lavc_param_vqscale; + vf->priv->pic->quality = (int)(FF_QP2LAMBDA * lavc_param_vqscale + 0.5); } if (avcodec_open(lavc_venc_context, vf->priv->codec) != 0) { @@ -679,7 +691,7 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){ } quality /= w * h; } else - quality = lavc_venc_context->coded_frame->quality; + quality = lavc_venc_context->coded_frame->quality / (float)FF_QP2LAMBDA; fprintf(fvstats, "%6d, %2.2f, %6d, %2.2f, %2.2f, %2.2f, %2.2f %c\n", lavc_venc_context->coded_frame->coded_picture_number, |