src/gallium/state_trackers/xvmc/surface.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include <assert.h>
  29 #include <stdio.h>
  30
  31 #include <X11/Xlibint.h>
  32
  33 #include "pipe/p_video_decoder.h"
  34 #include "pipe/p_video_state.h"
  35 #include "pipe/p_state.h"
  36
  37 #include "util/u_inlines.h"
  38 #include "util/u_memory.h"
  39 #include "util/u_math.h"
  40
  41 #include "vl_winsys.h"
  42
  43 #include "xvmc_private.h"
  44
  45 static void
  46 MacroBlocksToPipe(XvMCContextPrivate *context,
  47                   XvMCSurfacePrivate *surface,
  48                   unsigned int xvmc_picture_structure,
  49                   const XvMCMacroBlock *xvmc_mb,
  50                   const XvMCBlockArray *xvmc_blocks,
  51                   struct pipe_mpeg12_macroblock *mb,
  52                   unsigned int num_macroblocks)
  53 {
  54    unsigned int i, j, k;
  55
  56    assert(xvmc_mb);
  57    assert(xvmc_blocks);
  58    assert(num_macroblocks);
  59
  60    for (; num_macroblocks > 0; --num_macroblocks) {
  61       mb->base.codec = PIPE_VIDEO_CODEC_MPEG12;
  62       mb->x = xvmc_mb->x;
  63       mb->y = xvmc_mb->y;
  64       mb->macroblock_type = xvmc_mb->macroblock_type;
  65
  66       switch (xvmc_picture_structure) {
  67       case XVMC_FRAME_PICTURE:
  68          mb->macroblock_modes.bits.frame_motion_type = xvmc_mb->motion_type;
  69          mb->macroblock_modes.bits.field_motion_type = 0;
  70          break;
  71
  72       case XVMC_TOP_FIELD:
  73       case XVMC_BOTTOM_FIELD:
  74          mb->macroblock_modes.bits.frame_motion_type = 0;
  75          mb->macroblock_modes.bits.field_motion_type = xvmc_mb->motion_type;
  76          break;
  77
  78       default:
  79          assert(0);
  80       }
  81
  82       mb->macroblock_modes.bits.dct_type = xvmc_mb->dct_type;
  83       mb->motion_vertical_field_select = xvmc_mb->motion_vertical_field_select;
  84
  85       for (i = 0; i < 2; ++i)
  86          for (j = 0; j < 2; ++j)
  87             for (k = 0; k < 2; ++k)
  88                mb->PMV[i][j][k] = xvmc_mb->PMV[i][j][k];
  89
  90       mb->coded_block_pattern = xvmc_mb->coded_block_pattern;
  91       mb->blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES;
  92       mb->num_skipped_macroblocks = 0;
  93
  94       ++xvmc_mb;
  95       ++mb;
  96    }
  97 }
  98
  99 static void
 100 GetPictureDescription(XvMCSurfacePrivate *surface, struct pipe_mpeg12_picture_desc *desc)
 101 {
 102    unsigned i, num_refs = 0;
 103
 104    assert(surface && desc);
 105
 106    memset(desc, 0, sizeof(*desc));
 107    desc->base.profile = PIPE_VIDEO_PROFILE_MPEG1;
 108    desc->picture_structure = surface->picture_structure;
 109    for (i = 0; i < 2; ++i) {
 110       if (surface->ref[i]) {
 111          XvMCSurfacePrivate *ref = surface->ref[i]->privData;
 112
 113          if (ref)
 114             desc->ref[num_refs++] = ref->video_buffer;
 115       }
 116    }
 117 }
 118
 119 static void
 120 RecursiveEndFrame(XvMCSurfacePrivate *surface)
 121 {
 122    XvMCContextPrivate *context_priv;
 123    unsigned i;
 124
 125    assert(surface);
 126
 127    context_priv = surface->context->privData;
 128
 129    for ( i = 0; i < 2; ++i ) {
 130       if (surface->ref[i]) {
 131          XvMCSurface *ref = surface->ref[i];
 132
 133          assert(ref);
 134
 135          surface->ref[i] = NULL;
 136          RecursiveEndFrame(ref->privData);
 137          surface->ref[i] = ref;
 138       }
 139    }
 140
 141    if (surface->picture_structure) {
 142       struct pipe_mpeg12_picture_desc desc;
 143       GetPictureDescription(surface, &desc);
 144       surface->picture_structure = 0;
 145
 146       for (i = 0; i < 2; ++i)
 147          surface->ref[i] = NULL;
 148
 149       context_priv->decoder->end_frame(context_priv->decoder, surface->video_buffer, &desc.base);
 150    }
 151 }
 152
 153 PUBLIC
 154 Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface)
 155 {
 156    XvMCContextPrivate *context_priv;
 157    struct pipe_context *pipe;
 158    XvMCSurfacePrivate *surface_priv;
 159    struct pipe_video_buffer tmpl;
 160
 161    XVMC_MSG(XVMC_TRACE, "[XvMC] Creating surface %p.\n", surface);
 162
 163    assert(dpy);
 164
 165    if (!context)
 166       return XvMCBadContext;
 167    if (!surface)
 168       return XvMCBadSurface;
 169
 170    context_priv = context->privData;
 171    pipe = context_priv->pipe;
 172
 173    surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate));
 174    if (!surface_priv)
 175       return BadAlloc;
 176
 177    memset(&tmpl, 0, sizeof(tmpl));
 178    tmpl.buffer_format = pipe->screen->get_video_param
 179    (
 180       pipe->screen,
 181       PIPE_VIDEO_PROFILE_MPEG2_MAIN,
 182       PIPE_VIDEO_CAP_PREFERED_FORMAT
 183    );
 184    tmpl.chroma_format = context_priv->decoder->chroma_format;
 185    tmpl.width = context_priv->decoder->width;
 186    tmpl.height = context_priv->decoder->height;
 187    tmpl.interlaced = pipe->screen->get_video_param
 188    (
 189       pipe->screen,
 190       PIPE_VIDEO_PROFILE_MPEG2_MAIN,
 191       PIPE_VIDEO_CAP_PREFERS_INTERLACED
 192    );
 193
 194    surface_priv->video_buffer = pipe->create_video_buffer(pipe, &tmpl);
 195    surface_priv->context = context;
 196
 197    surface->surface_id = XAllocID(dpy);
 198    surface->context_id = context->context_id;
 199    surface->surface_type_id = context->surface_type_id;
 200    surface->width = context->width;
 201    surface->height = context->height;
 202    surface->privData = surface_priv;
 203
 204    SyncHandle();
 205
 206    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface);
 207
 208    return Success;
 209 }
 210
 211 PUBLIC
 212 Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
 213                          XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
 214                          unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
 215                          XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
 216 )
 217 {
 218    struct pipe_mpeg12_macroblock mb[num_macroblocks];
 219    struct pipe_video_decoder *decoder;
 220    struct pipe_mpeg12_picture_desc desc;
 221
 222    XvMCContextPrivate *context_priv;
 223    XvMCSurfacePrivate *target_surface_priv;
 224    XvMCSurfacePrivate *past_surface_priv;
 225    XvMCSurfacePrivate *future_surface_priv;
 226    XvMCMacroBlock *xvmc_mb;
 227
 228    XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p, with past %p and future %p\n",
 229             target_surface, past_surface, future_surface);
 230
 231    assert(dpy);
 232
 233    if (!context || !context->privData)
 234       return XvMCBadContext;
 235    if (!target_surface || !target_surface->privData)
 236       return XvMCBadSurface;
 237
 238    if (picture_structure != XVMC_TOP_FIELD &&
 239        picture_structure != XVMC_BOTTOM_FIELD &&
 240        picture_structure != XVMC_FRAME_PICTURE)
 241       return BadValue;
 242    /* Bkwd pred equivalent to fwd (past && !future) */
 243    if (future_surface && !past_surface)
 244       return BadMatch;
 245
 246    assert(context->context_id == target_surface->context_id);
 247    assert(!past_surface || context->context_id == past_surface->context_id);
 248    assert(!future_surface || context->context_id == future_surface->context_id);
 249
 250    assert(macroblocks);
 251    assert(blocks);
 252
 253    assert(macroblocks->context_id == context->context_id);
 254    assert(blocks->context_id == context->context_id);
 255
 256    assert(flags == 0 || flags == XVMC_SECOND_FIELD);
 257
 258    context_priv = context->privData;
 259    decoder = context_priv->decoder;
 260
 261    target_surface_priv = target_surface->privData;
 262    past_surface_priv = past_surface ? past_surface->privData : NULL;
 263    future_surface_priv = future_surface ? future_surface->privData : NULL;
 264
 265    assert(target_surface_priv->context == context);
 266    assert(!past_surface || past_surface_priv->context == context);
 267    assert(!future_surface || future_surface_priv->context == context);
 268
 269    // call end frame on all referenced frames
 270    if (past_surface)
 271       RecursiveEndFrame(past_surface->privData);
 272
 273    if (future_surface)
 274       RecursiveEndFrame(future_surface->privData);
 275
 276    xvmc_mb = macroblocks->macro_blocks + first_macroblock;
 277
 278    /* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
 279    if (target_surface_priv->picture_structure > 0 && (
 280        target_surface_priv->picture_structure != picture_structure ||
 281        target_surface_priv->ref[0] != past_surface ||
 282        target_surface_priv->ref[1] != future_surface ||
 283        (xvmc_mb->x == 0 && xvmc_mb->y == 0))) {
 284
 285       // If they change anyway we must assume that the current frame is ended
 286       RecursiveEndFrame(target_surface_priv);
 287    }
 288
 289    target_surface_priv->ref[0] = past_surface;
 290    target_surface_priv->ref[1] = future_surface;
 291
 292    if (target_surface_priv->picture_structure)
 293       GetPictureDescription(target_surface_priv, &desc);
 294    else {
 295       target_surface_priv->picture_structure = picture_structure;
 296       GetPictureDescription(target_surface_priv, &desc);
 297       decoder->begin_frame(decoder, target_surface_priv->video_buffer, &desc.base);
 298    }
 299
 300    MacroBlocksToPipe(context_priv, target_surface_priv, picture_structure,
 301                      xvmc_mb, blocks, mb, num_macroblocks);
 302
 303    context_priv->decoder->decode_macroblock(context_priv->decoder,
 304                                             target_surface_priv->video_buffer,
 305                                             &desc.base,
 306                                             &mb[0].base, num_macroblocks);
 307
 308    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface);
 309
 310    return Success;
 311 }
 312
 313 PUBLIC
 314 Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
 315 {
 316    assert(dpy);
 317
 318    if (!surface)
 319       return XvMCBadSurface;
 320
 321    // don't call flush here, because this is usually
 322    // called once for every slice instead of every frame
 323
 324    XVMC_MSG(XVMC_TRACE, "[XvMC] Flushing surface %p\n", surface);
 325
 326    return Success;
 327 }
 328
 329 PUBLIC
 330 Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
 331 {
 332    assert(dpy);
 333
 334    if (!surface)
 335       return XvMCBadSurface;
 336
 337    XVMC_MSG(XVMC_TRACE, "[XvMC] Syncing surface %p\n", surface);
 338
 339    return Success;
 340 }
 341
 342 PUBLIC
 343 Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
 344                       short srcx, short srcy, unsigned short srcw, unsigned short srch,
 345                       short destx, short desty, unsigned short destw, unsigned short desth,
 346                       int flags)
 347 {
 348    static int dump_window = -1;
 349
 350    struct pipe_context *pipe;
 351    struct vl_compositor *compositor;
 352
 353    XvMCSurfacePrivate *surface_priv;
 354    XvMCContextPrivate *context_priv;
 355    XvMCSubpicturePrivate *subpicture_priv;
 356    XvMCContext *context;
 357    struct pipe_video_rect src_rect = {srcx, srcy, srcw, srch};
 358    struct pipe_video_rect dst_rect = {destx, desty, destw, desth};
 359
 360    struct pipe_resource *tex;
 361    struct pipe_surface surf_templ, *surf;
 362    struct u_rect *dirty_area;
 363
 364    XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface);
 365
 366    assert(dpy);
 367
 368    if (!surface || !surface->privData)
 369       return XvMCBadSurface;
 370
 371    surface_priv = surface->privData;
 372    context = surface_priv->context;
 373    context_priv = context->privData;
 374
 375    assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
 376    assert(srcx + srcw - 1 < surface->width);
 377    assert(srcy + srch - 1 < surface->height);
 378
 379    subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL;
 380    pipe = context_priv->pipe;
 381    compositor = &context_priv->compositor;
 382
 383    tex = vl_screen_texture_from_drawable(context_priv->vscreen, drawable);
 384    dirty_area = vl_screen_get_dirty_area(context_priv->vscreen);
 385
 386    memset(&surf_templ, 0, sizeof(surf_templ));
 387    surf_templ.format = tex->format;
 388    surf_templ.usage = PIPE_BIND_RENDER_TARGET;
 389    surf = pipe->create_surface(pipe, tex, &surf_templ);
 390
 391    if (!surf)
 392       return BadDrawable;
 393
 394    /*
 395     * Some apps (mplayer) hit these asserts because they call
 396     * this function after the window has been resized by the WM
 397     * but before they've handled the corresponding XEvent and
 398     * know about the new dimensions. The output should be clipped
 399     * until the app updates destw and desth.
 400     */
 401    /*
 402    assert(destx + destw - 1 < drawable_surface->width);
 403    assert(desty + desth - 1 < drawable_surface->height);
 404     */
 405
 406    RecursiveEndFrame(surface_priv);
 407
 408    context_priv->decoder->flush(context_priv->decoder);
 409
 410    vl_compositor_clear_layers(compositor);
 411    vl_compositor_set_buffer_layer(compositor, 0, surface_priv->video_buffer,
 412                                   &src_rect, NULL, VL_COMPOSITOR_WEAVE);
 413
 414    if (subpicture_priv) {
 415       XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
 416
 417       assert(subpicture_priv->surface == surface);
 418
 419       if (subpicture_priv->palette)
 420          vl_compositor_set_palette_layer(compositor, 1, subpicture_priv->sampler, subpicture_priv->palette,
 421                                          &subpicture_priv->src_rect, &subpicture_priv->dst_rect, true);
 422       else
 423          vl_compositor_set_rgba_layer(compositor, 1, subpicture_priv->sampler,
 424                                       &subpicture_priv->src_rect, &subpicture_priv->dst_rect);
 425
 426       surface_priv->subpicture = NULL;
 427       subpicture_priv->surface = NULL;
 428    }
 429
 430    // Workaround for r600g, there seems to be a bug in the fence refcounting code
 431    pipe->screen->fence_reference(pipe->screen, &surface_priv->fence, NULL);
 432
 433    vl_compositor_render(compositor, surf, &dst_rect, NULL, dirty_area);
 434
 435    pipe->flush(pipe, &surface_priv->fence);
 436
 437    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface);
 438
 439    pipe->screen->flush_frontbuffer
 440    (
 441       pipe->screen, tex, 0, 0,
 442       vl_screen_get_private(context_priv->vscreen)
 443    );
 444
 445    if(dump_window == -1) {
 446       dump_window = debug_get_num_option("XVMC_DUMP", 0);
 447    }
 448
 449    if(dump_window) {
 450       static unsigned int framenum = 0;
 451       char cmd[256];
 452
 453       sprintf(cmd, "xwd -id %d -out xvmc_frame_%08d.xwd", (int)drawable, ++framenum);
 454       if (system(cmd) != 0)
 455          XVMC_MSG(XVMC_ERR, "[XvMC] Dumping surface %p failed.\n", surface);
 456    }
 457
 458    XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface);
 459
 460    return Success;
 461 }
 462
 463 PUBLIC
 464 Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
 465 {
 466    struct pipe_context *pipe;
 467    XvMCSurfacePrivate *surface_priv;
 468    XvMCContextPrivate *context_priv;
 469
 470    assert(dpy);
 471
 472    if (!surface)
 473       return XvMCBadSurface;
 474
 475    assert(status);
 476
 477    surface_priv = surface->privData;
 478    context_priv = surface_priv->context->privData;
 479    pipe = context_priv->pipe;
 480
 481    *status = 0;
 482
 483    if (surface_priv->fence)
 484       if (!pipe->screen->fence_signalled(pipe->screen, surface_priv->fence))
 485          *status |= XVMC_RENDERING;
 486
 487    return Success;
 488 }
 489
 490 PUBLIC
 491 Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
 492 {
 493    XvMCSurfacePrivate *surface_priv;
 494    XvMCContextPrivate *context_priv;
 495
 496    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface);
 497
 498    assert(dpy);
 499
 500    if (!surface || !surface->privData)
 501       return XvMCBadSurface;
 502
 503    surface_priv = surface->privData;
 504    context_priv = surface_priv->context->privData;
 505
 506    if (surface_priv->picture_structure) {
 507       struct pipe_mpeg12_picture_desc desc;
 508       GetPictureDescription(surface_priv, &desc);
 509       context_priv->decoder->end_frame(context_priv->decoder, surface_priv->video_buffer, &desc.base);
 510    }
 511    surface_priv->video_buffer->destroy(surface_priv->video_buffer);
 512    FREE(surface_priv);
 513    surface->privData = NULL;
 514
 515    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface);
 516
 517    return Success;
 518 }
 519
 520 PUBLIC
 521 Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
 522 {
 523    assert(dpy);
 524
 525    if (!surface || !surface->privData)
 526       return XvMCBadSurface;
 527
 528    /* No op, only for overlaid rendering */
 529
 530    return Success;
 531 }