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mpv
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pass quantizer tables through (averaging values when fields come from 

different source frames -- is there a better way?) so that
postprocessing can be used afterwards.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11630 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rfelker 2003-12-11 16:07:14 +00:00
parent 6ffdc2c771
commit 044d00c1db
1 changed files with 29 additions and 1 deletions
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30
libmpcodecs/vf_pullup.c
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@ -18,6 +18,7 @@ struct vf_priv_s {
struct pullup_context *ctx;
int init;
int fakecount;
char *qbuf;
};
static inline void *my_memcpy_pic(void * dst, void * src, int bytesPerLine, int height, int dstStride, int srcStride)
@ -41,15 +42,18 @@ static void init_pullup(struct vf_instance_s* vf, mp_image_t *mpi)
if (mpi->flags & MP_IMGFLAG_PLANAR) {
c->format = PULLUP_FMT_Y;
c->nplanes = 3;
c->nplanes = 4;
pullup_preinit_context(c);
c->bpp[0] = c->bpp[1] = c->bpp[2] = 8;
c->w[0] = mpi->w;
c->h[0] = mpi->h;
c->w[1] = c->w[2] = mpi->chroma_width;
c->h[1] = c->h[2] = mpi->chroma_height;
c->w[3] = ((mpi->w+15)/16) * ((mpi->h+15)/16);
c->h[3] = 2;
c->stride[0] = mpi->width;
c->stride[1] = c->stride[2] = mpi->chroma_width;
c->stride[3] = c->w[3];
c->background[1] = c->background[2] = 128;
c->metric_plane = 0;
}
@ -68,6 +72,7 @@ static void init_pullup(struct vf_instance_s* vf, mp_image_t *mpi)
pullup_init_context(c);
vf->priv->init = 1;
vf->priv->qbuf = malloc(c->w[3]);
}
@ -104,6 +109,7 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
mp_image_t *dmpi;
int ret;
int p;
int i;
if (!vf->priv->init) init_pullup(vf, mpi);
@ -129,6 +135,10 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
c->stride[2], mpi->stride[2]);
}
}
if (mpi->qscale) {
memcpy(b->planes[3], mpi->qscale, c->w[3]);
memcpy(b->planes[3]+c->w[3], mpi->qscale, c->w[3]);
}
p = mpi->fields & MP_IMGFIELD_TOP_FIRST ? 0 :
(mpi->fields & MP_IMGFIELD_ORDERED ? 1 : 0);
@ -155,6 +165,14 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
}
}
/* Average qscale tables from both frames. */
if (mpi->qscale) {
for (i=0; i<c->w[3]; i++) {
vf->priv->qbuf[i] = (f->ofields[0]->planes[3][i]
+ f->ofields[1]->planes[3][i+c->w[3]])>>1;
}
}
/* If the frame isn't already exportable... */
while (!f->buffer) {
dmpi = vf_get_image(vf->next, mpi->imgfmt,
@ -188,6 +206,11 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
dmpi->stride[2]*2, c->stride[2]*2);
}
pullup_release_frame(f);
if (mpi->qscale) {
dmpi->qscale = vf->priv->qbuf;
dmpi->qstride = mpi->qstride;
dmpi->qscale_type = mpi->qscale_type;
}
return vf_next_put_image(vf, dmpi);
}
dmpi = vf_get_image(vf->next, mpi->imgfmt,
@ -202,6 +225,11 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
dmpi->stride[1] = c->stride[1];
dmpi->stride[2] = c->stride[2];
if (mpi->qscale) {
dmpi->qscale = vf->priv->qbuf;
dmpi->qstride = mpi->qstride;
dmpi->qscale_type = mpi->qscale_type;
}
ret = vf_next_put_image(vf, dmpi);
pullup_release_frame(f);
return ret;