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prevent flicker on b-frames, trivial port from vf_spp 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17134 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
henry 2005-12-07 20:04:16 +00:00
parent a25292fc40
commit cb6f72fd1a
1 changed files with 22 additions and 6 deletions
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28
libmpcodecs/vf_fspp.c
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@ -99,7 +99,8 @@ struct vf_priv_s { //align 16 !
int prev_q;
uint8_t *src;
int16_t *temp;
//int mode;
int bframes;
char *non_b_qp;
};
@ -535,11 +536,23 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
}
vf->priv->mpeg2= mpi->qscale_type;
if(mpi->pict_type != 3 && mpi->qscale && !vf->priv->qp){
if(!vf->priv->non_b_qp)
vf->priv->non_b_qp= malloc(mpi->qstride * mpi->h);
memcpy(vf->priv->non_b_qp, mpi->qscale, mpi->qstride * mpi->h);
}
if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){
if(mpi->qscale || vf->priv->qp){
filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], mpi->w, mpi->h, mpi->qscale, mpi->qstride, 1);
filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, mpi->qscale, mpi->qstride, 0);
filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, mpi->qscale, mpi->qstride, 0);
char *qp_tab= vf->priv->non_b_qp;
if(vf->priv->bframes || !qp_tab)
qp_tab= mpi->qscale;
if(qp_tab || vf->priv->qp){
filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0],
mpi->w, mpi->h, qp_tab, mpi->qstride, 1);
filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1],
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0);
filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2],
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0);
}else{
memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]);
memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]);
@ -566,6 +579,8 @@ static void uninit(struct vf_instance_s* vf)
vf->priv->src= NULL;
//if(vf->priv->avctx) free(vf->priv->avctx);
//vf->priv->avctx= NULL;
if(vf->priv->non_b_qp) free(vf->priv->non_b_qp);
vf->priv->non_b_qp= NULL;
av_free(vf->priv);
vf->priv=NULL;
@ -642,8 +657,9 @@ static int open(vf_instance_t *vf, char* args)
//dsputil_init(&vf->priv->dsp, vf->priv->avctx);
vf->priv->log2_count= 4;
vf->priv->bframes = 0;
if (args) sscanf(args, "%d:%d:%d", &log2c, &vf->priv->qp, &i);
if (args) sscanf(args, "%d:%d:%d:%d", &log2c, &vf->priv->qp, &i, &vf->priv->bframes);
if( log2c >=4 && log2c <=5 )
vf->priv->log2_count = log2c;