libmpcodecs/vf_pullup.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "../config.h"
   6 #include "../mp_msg.h"
   7 #include "../cpudetect.h"
   8
   9 #include "img_format.h"
  10 #include "mp_image.h"
  11 #include "vf.h"
  12
  13 #include "../libvo/fastmemcpy.h"
  14
  15 #include "pullup.h"
  16
  17 #undef MAX
  18 #define MAX(a,b) ((a)>(b)?(a):(b))
  19
  20 struct vf_priv_s {
  21         struct pullup_context *ctx;
  22         int init;
  23         int fakecount;
  24         char *qbuf;
  25 };
  26
  27 static inline void *my_memcpy_pic(void * dst, void * src, int bytesPerLine, int height, int dstStride, int srcStride)
  28 {
  29         int i;
  30         void *retval=dst;
  31
  32         for(i=0; i<height; i++)
  33         {
  34                 memcpy(dst, src, bytesPerLine);
  35                 src+= srcStride;
  36                 dst+= dstStride;
  37         }
  38
  39         return retval;
  40 }
  41
  42 static inline void *il_memcpy_pic(void *dst, void *src0, void *src1, int w, int h, int ds, int ss)
  43 {
  44         int i;
  45         void *retval=dst;
  46         ss += ss;
  47
  48         for(i=h>>1; i; i--)
  49         {
  50                 memcpy(dst, src0, w);
  51                 src0 += ss;
  52                 dst += ds;
  53                 memcpy(dst, src1, w);
  54                 src1 += ss;
  55                 dst += ds;
  56         }
  57
  58         return retval;
  59 }
  60
  61 static void init_pullup(struct vf_instance_s* vf, mp_image_t *mpi)
  62 {
  63         struct pullup_context *c = vf->priv->ctx;
  64
  65         if (mpi->flags & MP_IMGFLAG_PLANAR) {
  66                 c->format = PULLUP_FMT_Y;
  67                 c->nplanes = 4;
  68                 pullup_preinit_context(c);
  69                 c->bpp[0] = c->bpp[1] = c->bpp[2] = 8;
  70                 c->w[0] = mpi->w;
  71                 c->h[0] = mpi->h;
  72                 c->w[1] = c->w[2] = mpi->chroma_width;
  73                 c->h[1] = c->h[2] = mpi->chroma_height;
  74                 c->w[3] = ((mpi->w+15)/16) * ((mpi->h+15)/16);
  75                 c->h[3] = 2;
  76                 c->stride[0] = mpi->width;
  77                 c->stride[1] = c->stride[2] = mpi->chroma_width;
  78                 c->stride[3] = c->w[3];
  79                 c->background[1] = c->background[2] = 128;
  80         }
  81
  82         if (gCpuCaps.hasMMX) c->cpu |= PULLUP_CPU_MMX;
  83         if (gCpuCaps.hasMMX2) c->cpu |= PULLUP_CPU_MMX2;
  84         if (gCpuCaps.has3DNow) c->cpu |= PULLUP_CPU_3DNOW;
  85         if (gCpuCaps.has3DNowExt) c->cpu |= PULLUP_CPU_3DNOWEXT;
  86         if (gCpuCaps.hasSSE) c->cpu |= PULLUP_CPU_SSE;
  87         if (gCpuCaps.hasSSE2) c->cpu |= PULLUP_CPU_SSE2;
  88
  89         pullup_init_context(c);
  90
  91         vf->priv->init = 1;
  92         vf->priv->qbuf = malloc(c->w[3]);
  93 }
  94
  95
  96 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi)
  97 {
  98         struct pullup_context *c = vf->priv->ctx;
  99         struct pullup_buffer *b;
 100
 101         if (mpi->type == MP_IMGTYPE_STATIC) return;
 102
 103         if (!vf->priv->init) init_pullup(vf, mpi);
 104
 105         b = pullup_get_buffer(c, 2);
 106         if (!b) return; /* shouldn't happen... */
 107
 108         mpi->priv = b;
 109
 110         mpi->planes[0] = b->planes[0];
 111         mpi->planes[1] = b->planes[1];
 112         mpi->planes[2] = b->planes[2];
 113         mpi->stride[0] = c->stride[0];
 114         mpi->stride[1] = c->stride[1];
 115         mpi->stride[2] = c->stride[2];
 116
 117         mpi->flags |= MP_IMGFLAG_DIRECT;
 118         mpi->flags &= ~MP_IMGFLAG_DRAW_CALLBACK;
 119 }
 120
 121 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
 122 {
 123         struct pullup_context *c = vf->priv->ctx;
 124         struct pullup_buffer *b;
 125         struct pullup_frame *f;
 126         mp_image_t *dmpi;
 127         int ret;
 128         int p;
 129         int i;
 130
 131         if (!vf->priv->init) init_pullup(vf, mpi);
 132
 133         if (mpi->flags & MP_IMGFLAG_DIRECT) {
 134                 b = mpi->priv;
 135                 mpi->priv = 0;
 136         } else {
 137                 b = pullup_get_buffer(c, 2);
 138                 if (!b) {
 139                         mp_msg(MSGT_VFILTER,MSGL_ERR,"Could not get buffer from pullup!\n");
 140                         f = pullup_get_frame(c);
 141                         pullup_release_frame(f);
 142                         return 0;
 143                 }
 144                 memcpy_pic(b->planes[0], mpi->planes[0], mpi->w, mpi->h,
 145                         c->stride[0], mpi->stride[0]);
 146                 if (mpi->flags & MP_IMGFLAG_PLANAR) {
 147                         memcpy_pic(b->planes[1], mpi->planes[1],
 148                                 mpi->chroma_width, mpi->chroma_height,
 149                                 c->stride[1], mpi->stride[1]);
 150                         memcpy_pic(b->planes[2], mpi->planes[2],
 151                                 mpi->chroma_width, mpi->chroma_height,
 152                                 c->stride[2], mpi->stride[2]);
 153                 }
 154         }
 155         if (mpi->qscale) {
 156                 memcpy(b->planes[3], mpi->qscale, c->w[3]);
 157                 memcpy(b->planes[3]+c->w[3], mpi->qscale, c->w[3]);
 158         }
 159
 160         p = mpi->fields & MP_IMGFIELD_TOP_FIRST ? 0 :
 161                 (mpi->fields & MP_IMGFIELD_ORDERED ? 1 : 0);
 162         pullup_submit_field(c, b, p);
 163         pullup_submit_field(c, b, p^1);
 164         if (mpi->fields & MP_IMGFIELD_REPEAT_FIRST)
 165                 pullup_submit_field(c, b, p);
 166
 167         pullup_release_buffer(b, 2);
 168
 169         f = pullup_get_frame(c);
 170
 171         /* Fake yes for first few frames (buffer depth) to keep from
 172          * breaking A/V sync with G1's bad architecture... */
 173         if (!f) return vf->priv->fakecount ? (--vf->priv->fakecount,1) : 0;
 174
 175         if (f->length < 2) {
 176                 pullup_release_frame(f);
 177                 f = pullup_get_frame(c);
 178                 if (!f) return 0;
 179                 if (f->length < 2) {
 180                         pullup_release_frame(f);
 181                         return 0;
 182                 }
 183         }
 184
 185 #if 0
 186         /* Average qscale tables from both frames. */
 187         if (mpi->qscale) {
 188                 for (i=0; i<c->w[3]; i++) {
 189                         vf->priv->qbuf[i] = (f->ofields[0]->planes[3][i]
 190                                 + f->ofields[1]->planes[3][i+c->w[3]])>>1;
 191                 }
 192         }
 193 #else
 194         /* Take worst of qscale tables from both frames. */
 195         if (mpi->qscale) {
 196                 for (i=0; i<c->w[3]; i++) {
 197                         vf->priv->qbuf[i] = MAX(f->ofields[0]->planes[3][i], f->ofields[1]->planes[3][i+c->w[3]]);
 198                 }
 199         }
 200 #endif
 201
 202         /* If the frame isn't already exportable... */
 203         while (!f->buffer) {
 204                 dmpi = vf_get_image(vf->next, mpi->imgfmt,
 205                         MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
 206                         mpi->width, mpi->height);
 207                 /* FIXME: Is it ok to discard dmpi if it's not direct? */
 208                 if (!(dmpi->flags & MP_IMGFLAG_DIRECT)) {
 209                         pullup_pack_frame(c, f);
 210                         break;
 211                 }
 212                 /* Direct render fields into output buffer */
 213 #if 0
 214                 /* Write-order copy seems to have worse cache performance
 215                  * than read-order, but both should be checked on
 216                  * various cpus to see which is actually better...*/
 217                 il_memcpy_pic(dmpi->planes[0], f->ofields[0]->planes[0],
 218                         f->ofields[1]->planes[0] + c->stride[0],
 219                         mpi->w, mpi->h, dmpi->stride[0], c->stride[0]);
 220                 if (mpi->flags & MP_IMGFLAG_PLANAR) {
 221                         il_memcpy_pic(dmpi->planes[1], f->ofields[0]->planes[1],
 222                                 f->ofields[1]->planes[1] + c->stride[1],
 223                                 mpi->chroma_width, mpi->chroma_height,
 224                                 dmpi->stride[1], c->stride[1]);
 225                         il_memcpy_pic(dmpi->planes[2], f->ofields[0]->planes[2],
 226                                 f->ofields[1]->planes[2] + c->stride[2],
 227                                 mpi->chroma_width, mpi->chroma_height,
 228                                 dmpi->stride[2], c->stride[2]);
 229                 }
 230 #else
 231                 my_memcpy_pic(dmpi->planes[0], f->ofields[0]->planes[0],
 232                         mpi->w, mpi->h/2, dmpi->stride[0]*2, c->stride[0]*2);
 233                 my_memcpy_pic(dmpi->planes[0] + dmpi->stride[0],
 234                         f->ofields[1]->planes[0] + c->stride[0],
 235                         mpi->w, mpi->h/2, dmpi->stride[0]*2, c->stride[0]*2);
 236                 if (mpi->flags & MP_IMGFLAG_PLANAR) {
 237                         my_memcpy_pic(dmpi->planes[1], f->ofields[0]->planes[1],
 238                                 mpi->chroma_width, mpi->chroma_height/2,
 239                                 dmpi->stride[1]*2, c->stride[1]*2);
 240                         my_memcpy_pic(dmpi->planes[1] + dmpi->stride[1],
 241                                 f->ofields[1]->planes[1] + c->stride[1],
 242                                 mpi->chroma_width, mpi->chroma_height/2,
 243                                 dmpi->stride[1]*2, c->stride[1]*2);
 244                         my_memcpy_pic(dmpi->planes[2], f->ofields[0]->planes[2],
 245                                 mpi->chroma_width, mpi->chroma_height/2,
 246                                 dmpi->stride[2]*2, c->stride[2]*2);
 247                         my_memcpy_pic(dmpi->planes[2] + dmpi->stride[2],
 248                                 f->ofields[1]->planes[2] + c->stride[2],
 249                                 mpi->chroma_width, mpi->chroma_height/2,
 250                                 dmpi->stride[2]*2, c->stride[2]*2);
 251                 }
 252 #endif
 253                 pullup_release_frame(f);
 254                 if (mpi->qscale) {
 255                         dmpi->qscale = vf->priv->qbuf;
 256                         dmpi->qstride = mpi->qstride;
 257                         dmpi->qscale_type = mpi->qscale_type;
 258                 }
 259                 return vf_next_put_image(vf, dmpi);
 260         }
 261         dmpi = vf_get_image(vf->next, mpi->imgfmt,
 262                 MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
 263                 mpi->width, mpi->height);
 264
 265         dmpi->planes[0] = f->buffer->planes[0];
 266         dmpi->planes[1] = f->buffer->planes[1];
 267         dmpi->planes[2] = f->buffer->planes[2];
 268
 269         dmpi->stride[0] = c->stride[0];
 270         dmpi->stride[1] = c->stride[1];
 271         dmpi->stride[2] = c->stride[2];
 272
 273         if (mpi->qscale) {
 274                 dmpi->qscale = vf->priv->qbuf;
 275                 dmpi->qstride = mpi->qstride;
 276                 dmpi->qscale_type = mpi->qscale_type;
 277         }
 278         ret = vf_next_put_image(vf, dmpi);
 279         pullup_release_frame(f);
 280         return ret;
 281 }
 282
 283 static int query_format(struct vf_instance_s* vf, unsigned int fmt)
 284 {
 285         /* FIXME - support more formats */
 286         switch (fmt) {
 287         case IMGFMT_YV12:
 288         case IMGFMT_IYUV:
 289         case IMGFMT_I420:
 290                 return vf_next_query_format(vf, fmt);
 291         }
 292         return 0;
 293 }
 294
 295 static int config(struct vf_instance_s* vf,
 296         int width, int height, int d_width, int d_height,
 297         unsigned int flags, unsigned int outfmt)
 298 {
 299         if (height&3) return 0;
 300         return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
 301 }
 302
 303 static void uninit(struct vf_instance_s* vf)
 304 {
 305         pullup_free_context(vf->priv->ctx);
 306         free(vf->priv);
 307 }
 308
 309 static int open(vf_instance_t *vf, char* args)
 310 {
 311         struct vf_priv_s *p;
 312         struct pullup_context *c;
 313         vf->get_image = get_image;
 314         vf->put_image = put_image;
 315         vf->config = config;
 316         vf->query_format = query_format;
 317         vf->uninit = uninit;
 318         vf->default_reqs = VFCAP_ACCEPT_STRIDE;
 319         vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
 320         p->ctx = c = pullup_alloc_context();
 321         p->fakecount = 2;
 322         c->verbose = verbose;
 323         c->junk_left = c->junk_right = 1;
 324         c->junk_top = c->junk_bottom = 4;
 325         c->strict_breaks = 0;
 326         c->metric_plane = 0;
 327         if (args) {
 328                 sscanf(args, "%d:%d:%d:%d:%d:%d", &c->junk_left, &c->junk_right, &c->junk_top, &c->junk_bottom, &c->strict_breaks, &c->metric_plane);
 329         }
 330         return 1;
 331 }
 332
 333 vf_info_t vf_info_pullup = {
 334     "pullup (from field sequence to frames)",
 335     "pullup",
 336     "Rich Felker",
 337     "",
 338     open,
 339     NULL
 340 };
 341
 342