mpv/libmpcodecs/vf_pullup.c

262 lines
6.5 KiB
C
Raw Normal View History

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../config.h"
#include "../mp_msg.h"
#include "../cpudetect.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "../libvo/fastmemcpy.h"
#include "pullup.h"
struct vf_priv_s {
struct pullup_context *ctx;
int init;
int fakecount;
};
static inline void *my_memcpy_pic(void * dst, void * src, int bytesPerLine, int height, int dstStride, int srcStride)
{
int i;
void *retval=dst;
for(i=0; i<height; i++)
{
memcpy(dst, src, bytesPerLine);
src+= srcStride;
dst+= dstStride;
}
return retval;
}
static void init_pullup(struct vf_instance_s* vf, mp_image_t *mpi)
{
struct pullup_context *c = vf->priv->ctx;
if (mpi->flags & MP_IMGFLAG_PLANAR) {
c->format = PULLUP_FMT_Y;
c->nplanes = 3;
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->stride[0] = mpi->width;
c->stride[1] = c->stride[2] = mpi->chroma_width;
c->background[1] = c->background[2] = 128;
c->metric_plane = 0;
}
c->junk_left = c->junk_right = 1;
c->junk_top = c->junk_bottom = 4;
c->verbose = 0;
if (gCpuCaps.hasMMX) c->cpu |= PULLUP_CPU_MMX;
if (gCpuCaps.hasMMX2) c->cpu |= PULLUP_CPU_MMX2;
if (gCpuCaps.has3DNow) c->cpu |= PULLUP_CPU_3DNOW;
if (gCpuCaps.has3DNowExt) c->cpu |= PULLUP_CPU_3DNOWEXT;
if (gCpuCaps.hasSSE) c->cpu |= PULLUP_CPU_SSE;
if (gCpuCaps.hasSSE2) c->cpu |= PULLUP_CPU_SSE2;
pullup_init_context(c);
vf->priv->init = 1;
}
static void get_image(struct vf_instance_s* vf, mp_image_t *mpi)
{
struct pullup_context *c = vf->priv->ctx;
struct pullup_buffer *b;
if (mpi->type == MP_IMGTYPE_STATIC) return;
if (!vf->priv->init) init_pullup(vf, mpi);
b = pullup_get_buffer(c, 2);
if (!b) return; /* shouldn't happen... */
mpi->priv = b;
mpi->planes[0] = b->planes[0];
mpi->planes[1] = b->planes[1];
mpi->planes[2] = b->planes[2];
mpi->stride[0] = c->stride[0];
mpi->stride[1] = c->stride[1];
mpi->stride[2] = c->stride[2];
mpi->flags |= MP_IMGFLAG_DIRECT;
mpi->flags &= ~MP_IMGFLAG_DRAW_CALLBACK;
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
{
struct pullup_context *c = vf->priv->ctx;
struct pullup_buffer *b;
struct pullup_frame *f;
mp_image_t *dmpi;
int ret;
int p;
if (!vf->priv->init) init_pullup(vf, mpi);
if (mpi->flags & MP_IMGFLAG_DIRECT) {
b = mpi->priv;
mpi->priv = 0;
} else {
b = pullup_get_buffer(c, 2);
if (!b) {
mp_msg(MSGT_VFILTER,MSGL_ERR,"Could not get buffer from pullup!\n");
f = pullup_get_frame(c);
pullup_release_frame(f);
return 0;
}
memcpy_pic(b->planes[0], mpi->planes[0], mpi->w, mpi->h,
c->stride[0], mpi->stride[0]);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
memcpy_pic(b->planes[1], mpi->planes[1],
mpi->chroma_width, mpi->chroma_height,
c->stride[1], mpi->stride[1]);
memcpy_pic(b->planes[2], mpi->planes[2],
mpi->chroma_width, mpi->chroma_height,
c->stride[2], mpi->stride[2]);
}
}
p = mpi->fields & MP_IMGFIELD_TOP_FIRST ? 0 :
(mpi->fields & MP_IMGFIELD_ORDERED ? 1 : 0);
pullup_submit_field(c, b, p);
pullup_submit_field(c, b, p^1);
if (mpi->fields & MP_IMGFIELD_REPEAT_FIRST)
pullup_submit_field(c, b, p);
pullup_release_buffer(b, 2);
f = pullup_get_frame(c);
/* Fake yes for first few frames (buffer depth) to keep from
* breaking A/V sync with G1's bad architecture... */
if (!f) return vf->priv->fakecount ? (--vf->priv->fakecount,1) : 0;
if (f->length < 2) {
pullup_release_frame(f);
f = pullup_get_frame(c);
if (!f) return 0;
if (f->length < 2) {
pullup_release_frame(f);
return 0;
}
}
/* If the frame isn't already exportable... */
while (!f->buffer) {
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->width, mpi->height);
/* FIXME: Is it ok to discard dmpi if it's not direct? */
if (!(dmpi->flags & MP_IMGFLAG_DIRECT)) {
pullup_pack_frame(c, f);
break;
}
/* Direct render fields into output buffer */
p = f->parity;
my_memcpy_pic(dmpi->planes[0], f->fields[p]->planes[0],
mpi->w, mpi->h/2, dmpi->stride[0]*2, c->stride[0]*2);
my_memcpy_pic(dmpi->planes[0] + dmpi->stride[0],
f->fields[p^1]->planes[0] + c->stride[0],
mpi->w, mpi->h/2, dmpi->stride[0]*2, c->stride[0]*2);
if (mpi->flags & MP_IMGFLAG_PLANAR) {
my_memcpy_pic(dmpi->planes[1], f->fields[p]->planes[1],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[1]*2, c->stride[1]*2);
my_memcpy_pic(dmpi->planes[1] + dmpi->stride[1],
f->fields[p^1]->planes[1] + c->stride[1],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[1]*2, c->stride[1]*2);
my_memcpy_pic(dmpi->planes[2], f->fields[p]->planes[2],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[2]*2, c->stride[2]*2);
my_memcpy_pic(dmpi->planes[2] + dmpi->stride[2],
f->fields[p^1]->planes[2] + c->stride[2],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[2]*2, c->stride[2]*2);
}
pullup_release_frame(f);
return vf_next_put_image(vf, dmpi);
}
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->width, mpi->height);
dmpi->planes[0] = f->buffer->planes[0];
dmpi->planes[1] = f->buffer->planes[1];
dmpi->planes[2] = f->buffer->planes[2];
dmpi->stride[0] = c->stride[0];
dmpi->stride[1] = c->stride[1];
dmpi->stride[2] = c->stride[2];
ret = vf_next_put_image(vf, dmpi);
pullup_release_frame(f);
return ret;
}
static int query_format(struct vf_instance_s* vf, unsigned int fmt)
{
/* FIXME - support more formats */
switch (fmt) {
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
return vf_next_query_format(vf, fmt);
}
return 0;
}
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
if (height&3) return 0;
return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
}
static void uninit(struct vf_instance_s* vf)
{
pullup_free_context(vf->priv->ctx);
free(vf->priv);
}
static int open(vf_instance_t *vf, char* args)
{
struct vf_priv_s *p;
vf->get_image = get_image;
vf->put_image = put_image;
vf->config = config;
vf->query_format = query_format;
vf->uninit = uninit;
vf->default_reqs = VFCAP_ACCEPT_STRIDE;
vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
p->ctx = pullup_alloc_context();
p->fakecount = 2;
return 1;
}
vf_info_t vf_info_pullup = {
"pullup (from field sequence to frames)",
"pullup",
"Rich Felker",
"",
open,
NULL
};